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(-) Description

Title :  GUANINE NUCLEOTIDE EXCHANGE REGION OF INTERSECTIN IN COMPLEX WITH CDC42
 
Authors :  J. T. Snyder, W. M. Pruitt, C. J. Der, J. Sondek
Date :  02 Dec 01  (Deposition) - 29 May 02  (Release) - 24 Feb 09  (Revision)
Method :  X-RAY DIFFRACTION
Resolution :  2.30
Chains :  Asym. Unit :  A,B,C,D
Biol. Unit 1:  A,B  (1x)
Biol. Unit 2:  C,D  (1x)
Keywords :  Protein-Protein Complex, Dh Domain, Ph Domain, Rho Gtpase, Signaling Protein (Keyword Search: [Gene Ontology, PubMed, Web (Google))
 
Reference :  J. T. Snyder, D. K. Worthylake, K. L. Rossman, L. Betts, W. M. Pruitt, D. P. Siderovski, C. J. Der, J. Sondek
Structural Basis For The Selective Activation Of Rho Gtpases By Dbl Exchange Factors.
Nat. Struct. Biol. V. 9 468 2002
PubMed-ID: 12006984  |  Reference-DOI: 10.1038/NSB796
(for further references see the PDB file header)

(-) Compounds

Molecule 1 - G25K GTP-BINDING PROTEIN, PLACENTAL ISOFORM
    ChainsA, C
    EngineeredYES
    Expression SystemESCHERICHIA COLI BL21(DE3)
    Expression System PlasmidPET21
    Expression System StrainBL21(DE3)
    Expression System Taxid469008
    Expression System Vector TypePLASMID
    FragmentRESIDUES 1-188
    MutationYES
    Organism CommonHUMAN
    Organism ScientificHOMO SAPIENS
    Organism Taxid9606
    SynonymCDC42
 
Molecule 2 - INTERSECTIN LONG FORM
    ChainsB, D
    EngineeredYES
    Expression SystemESCHERICHIA COLI BL21(DE3)
    Expression System PlasmidPET15B
    Expression System StrainBL21(DE3)
    Expression System Taxid469008
    Expression System Vector TypePLASMID
    FragmentDBL HOMOLOGY AND PLECKSTRIN HOMOLOGY DOMAINS (RESIDUES 1229-1580)
    Organism CommonHUMAN
    Organism ScientificHOMO SAPIENS
    Organism Taxid9606

 Structural Features

(-) Chains, Units

  1234
Asymmetric Unit ABCD
Biological Unit 1 (1x)AB  
Biological Unit 2 (1x)  CD

Summary Information (see also Sequences/Alignments below)

(-) Ligands, Modified Residues, Ions  (1, 2)

Asymmetric Unit (1, 2)
No.NameCountTypeFull Name
1SO42Ligand/IonSULFATE ION
Biological Unit 1 (1, 1)
No.NameCountTypeFull Name
1SO41Ligand/IonSULFATE ION
Biological Unit 2 (1, 1)
No.NameCountTypeFull Name
1SO41Ligand/IonSULFATE ION

(-) Sites  (2, 2)

Asymmetric Unit (2, 2)
No.NameEvidenceResiduesDescription
1AC1SOFTWAREASP A:11 , GLY A:12 , ALA A:13 , VAL A:14 , GLY A:15 , LYS A:16 , THR A:17 , HOH A:4025 , HOH A:4037BINDING SITE FOR RESIDUE SO4 A 4001
2AC2SOFTWAREASP C:11 , GLY C:12 , ALA C:13 , VAL C:14 , GLY C:15 , LYS C:16 , THR C:17 , HOH C:4022BINDING SITE FOR RESIDUE SO4 C 4002

(-) SS Bonds  (0, 0)

(no "SS Bond" information available for 1KI1)

(-) Cis Peptide Bonds  (0, 0)

(no "Cis Peptide Bond" information available for 1KI1)

 Sequence-Structure Mapping

(-) SAPs(SNPs)/Variants  (1, 2)

Asymmetric Unit (1, 2)
  dbSNPPDB
No.SourceVariant IDVariantUniProt IDStatusIDChainVariant
1UniProtVAR_076337Y64CCDC42_HUMANDisease (TKS)864309721A/CY64C

  SNP/SAP Summary Statistics (UniProtKB/Swiss-Prot)
Biological Unit 1 (1, 1)
  dbSNPPDB
No.SourceVariant IDVariantUniProt IDStatusIDChainVariant
1UniProtVAR_076337Y64CCDC42_HUMANDisease (TKS)864309721AY64C

  SNP/SAP Summary Statistics (UniProtKB/Swiss-Prot)
Biological Unit 2 (1, 1)
  dbSNPPDB
No.SourceVariant IDVariantUniProt IDStatusIDChainVariant
1UniProtVAR_076337Y64CCDC42_HUMANDisease (TKS)864309721CY64C

  SNP/SAP Summary Statistics (UniProtKB/Swiss-Prot)

(-) PROSITE Motifs  (4, 8)

Asymmetric Unit (4, 8)
 PROSITEUniProtKBPDB
No.IDACDescriptionIDLocationCountLocation
1RHOPS51420 small GTPase Rho family profile.CDC42_HUMAN1-176
 
  2A:1-176
C:1-176
2DH_2PS50010 Dbl homology (DH) domain profile.ITSN1_HUMAN1237-1423
 
  2B:1237-1423
D:1237-1423
3DH_1PS00741 Dbl homology (DH) domain signature.ITSN1_HUMAN1371-1396
 
  2B:1371-1396
D:1371-1396
4PH_DOMAINPS50003 PH domain profile.ITSN1_HUMAN1462-1571
 
  2B:1462-1570
D:1462-1570
Biological Unit 1 (4, 4)
 PROSITEUniProtKBPDB
No.IDACDescriptionIDLocationCountLocation
1RHOPS51420 small GTPase Rho family profile.CDC42_HUMAN1-176
 
  1A:1-176
-
2DH_2PS50010 Dbl homology (DH) domain profile.ITSN1_HUMAN1237-1423
 
  1B:1237-1423
-
3DH_1PS00741 Dbl homology (DH) domain signature.ITSN1_HUMAN1371-1396
 
  1B:1371-1396
-
4PH_DOMAINPS50003 PH domain profile.ITSN1_HUMAN1462-1571
 
  1B:1462-1570
-
Biological Unit 2 (4, 4)
 PROSITEUniProtKBPDB
No.IDACDescriptionIDLocationCountLocation
1RHOPS51420 small GTPase Rho family profile.CDC42_HUMAN1-176
 
  1-
C:1-176
2DH_2PS50010 Dbl homology (DH) domain profile.ITSN1_HUMAN1237-1423
 
  1-
D:1237-1423
3DH_1PS00741 Dbl homology (DH) domain signature.ITSN1_HUMAN1371-1396
 
  1-
D:1371-1396
4PH_DOMAINPS50003 PH domain profile.ITSN1_HUMAN1462-1571
 
  1-
D:1462-1570

(-) Exons   (13, 26)

Asymmetric Unit (13, 26)
 ENSEMBLUniProtKBPDB
No.Transcript IDExonExon IDGenome LocationLengthIDLocationLengthCountLocationLength
1.1dENST000003813181dENSE00001867436chr21:35014764-35015019256ITSN1_HUMAN-00--
1.4aENST000003813184aENSE00002170343chr21:35091102-3509116160ITSN1_HUMAN1-10100--
1.5ENST000003813185ENSE00001658683chr21:35093483-3509357593ITSN1_HUMAN10-41320--
1.7ENST000003813187ENSE00001763001chr21:35094893-3509495664ITSN1_HUMAN41-62220--
1.8cENST000003813188cENSE00002146870chr21:35107349-35107509161ITSN1_HUMAN62-116550--
1.10aENST0000038131810aENSE00001737233chr21:35122448-35122627180ITSN1_HUMAN116-176610--
1.11ENST0000038131811ENSE00001605820chr21:35124115-3512421197ITSN1_HUMAN176-208330--
1.13ENST0000038131813ENSE00001656572chr21:35127602-35127702101ITSN1_HUMAN208-242350--
1.15ENST0000038131815ENSE00001765135chr21:35134227-3513429064ITSN1_HUMAN242-263220--
1.16ENST0000038131816ENSE00001798771chr21:35138179-35138316138ITSN1_HUMAN263-309470--
1.17ENST0000038131817ENSE00001758830chr21:35140017-35140132116ITSN1_HUMAN309-348400--
1.18cENST0000038131818cENSE00001694358chr21:35144365-35144627263ITSN1_HUMAN348-435880--
1.19bENST0000038131819bENSE00001781838chr21:35147033-35147182150ITSN1_HUMAN436-485500--
1.20bENST0000038131820bENSE00001689082chr21:35147272-35147412141ITSN1_HUMAN486-532470--
1.21ENST0000038131821ENSE00001696398chr21:35153765-3515385288ITSN1_HUMAN533-562300--
1.22ENST0000038131822ENSE00001739094chr21:35154298-35154437140ITSN1_HUMAN562-608470--
1.23bENST0000038131823bENSE00001790352chr21:35166645-35166772128ITSN1_HUMAN609-651430--
1.24aENST0000038131824aENSE00001656691chr21:35169683-35169912230ITSN1_HUMAN651-728780--
1.25aENST0000038131825aENSE00001739369chr21:35172112-35172233122ITSN1_HUMAN728-768410--
1.26aENST0000038131826aENSE00001654252chr21:35174734-3517474815ITSN1_HUMAN769-77350--
1.27aENST0000038131827aENSE00001752911chr21:35183279-35183526248ITSN1_HUMAN774-856830--
1.28aENST0000038131828aENSE00001623007chr21:35186217-35186376160ITSN1_HUMAN856-909540--
1.30bENST0000038131830bENSE00001731951chr21:35190571-35190776206ITSN1_HUMAN910-978690--
1.31ENST0000038131831ENSE00001736539chr21:35191545-3519162783ITSN1_HUMAN978-1006290--
1.32ENST0000038131832ENSE00001682088chr21:35195791-35195957167ITSN1_HUMAN1006-1061560--
1.33ENST0000038131833ENSE00001746116chr21:35199122-3519916746ITSN1_HUMAN1062-1077160--
1.34gENST0000038131834gENSE00001741289chr21:35201928-35202049122ITSN1_HUMAN1077-1117410--
1.35bENST0000038131835bENSE00001806792chr21:35206611-35206728118ITSN1_HUMAN1118-1157400--
1.36ENST0000038131836ENSE00001754465chr21:35208745-35208936192ITSN1_HUMAN1157-1221650--
1.38bENST0000038131838bENSE00001725020chr21:35229040-35229161122ITSN1_HUMAN1221-1261412B:1229-1261
D:1229-1261
33
33
1.39aENST0000038131839aENSE00001614241chr21:35230990-35231096107ITSN1_HUMAN1262-1297362B:1262-1297
D:1262-1297
36
36
1.40ENST0000038131840ENSE00001651960chr21:35237455-35237638184ITSN1_HUMAN1297-1358622B:1297-1358
D:1297-1358
62
62
1.41ENST0000038131841ENSE00001686265chr21:35239537-3523963599ITSN1_HUMAN1359-1391332B:1359-1391
D:1359-1391
33
33
1.42aENST0000038131842aENSE00001679500chr21:35247658-35247825168ITSN1_HUMAN1392-1447562B:1392-1447
D:1392-1447
56
56
1.43ENST0000038131843ENSE00001687726chr21:35254547-35254759213ITSN1_HUMAN1448-1518712B:1448-1517 (gaps)
D:1448-1517 (gaps)
71
71
1.44ENST0000038131844ENSE00001748634chr21:35255854-35255975122ITSN1_HUMAN1519-1559412B:1518-1558 (gaps)
D:1518-1558 (gaps)
41
41
1.45ENST0000038131845ENSE00001643657chr21:35257345-3525742783ITSN1_HUMAN1559-1587292B:1558-1580
D:1558-1580
23
23
1.46ENST0000038131846ENSE00001748704chr21:35257743-3525782684ITSN1_HUMAN1587-1615290--
1.47cENST0000038131847cENSE00001712802chr21:35258591-35258764174ITSN1_HUMAN1615-1673590--
1.48eENST0000038131848eENSE00001844175chr21:35260456-3527216511710ITSN1_HUMAN1673-1721490--

2.1aENST000004002591aENSE00001132068chr1:22379120-22379235116CDC42_HUMAN-00--
2.4ENST000004002594ENSE00002144782chr1:22404922-22405076155CDC42_HUMAN1-35352A:1-35
C:1-35
35
35
2.6ENST000004002596ENSE00000388403chr1:22408215-2240828773CDC42_HUMAN36-60252A:36-60
C:36-60
25
25
2.7ENST000004002597ENSE00000759640chr1:22412932-22413041110CDC42_HUMAN60-96372A:60-96
C:60-96
37
37
2.8bENST000004002598bENSE00000388405chr1:22413162-22413359198CDC42_HUMAN97-162662A:97-162
C:97-162
66
66
2.10aENST0000040025910aENSE00001357650chr1:22417921-224194161496CDC42_HUMAN163-191292A:163-178
C:163-178
16
16

(-) Sequences/Alignments

Asymmetric Unit
   Reformat: Number of residues per line =  ('0' or empty: single-line sequence representation)
  Number of residues per labelling interval =   
  UniProt sequence: complete  aligned part    
   Show mapping: SCOP domains CATH domains Pfam domains Secondary structure (by author)
SAPs(SNPs) PROSITE motifs Exons
(details for a mapped element are shown in a popup box when the mouse pointer rests over it)
Chain A from PDB  Type:PROTEIN  Length:178
 aligned with CDC42_HUMAN | P60953 from UniProtKB/Swiss-Prot  Length:191

    Alignment length:178
                                    10        20        30        40        50        60        70        80        90       100       110       120       130       140       150       160       170        
         CDC42_HUMAN      1 MQTIKCVVVGDGAVGKTCLLISYTTNKFPSEYVPTVFDNYAVTVMIGGEPYTLGLFDTAGQEDYDRLRPLSYPQTDVFLVCFSVVSPSSFENVKEKWVPEITHHCPKTPFLLVGTQIDLRDDPSTIEKLAKNKQKPITPETAEKLARDLKAVKYVECSALTQKGLKNVFDEAILAALE  178
               SCOP domains d1ki1a_ A: CDC42                                                                                                                                                                   SCOP domains
               CATH domains 1ki1A00 A:1-178 P-loop containing nucleotide triphosphate hydrolases                                                                                                               CATH domains
               Pfam domains ---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- Pfam domains
         Sec.struct. author ..eeeeeeee....hhhhhhhhhhhh.............eeeeeee..eeeeeeee..........hhhhhh....eeeeeee..hhhhhhhhhhhhhhhhhhhh....eeeeeehhhhh.hhhhhhhhhh......hhhhhhhhhhhh...eeee.......hhhhhhhhhhhhhhh Sec.struct. author
                 SAPs(SNPs) ---------------------------------------------------------------C------------------------------------------------------------------------------------------------------------------ SAPs(SNPs)
                    PROSITE RHO  PDB: A:1-176 UniProt: 1-176                                                                                                                                                -- PROSITE
           Transcript 2 (1) Exon 2.4  PDB: A:1-35 UniProt: 1-35Exon 2.6  PDB: A:36-60   ------------------------------------Exon 2.8b  PDB: A:97-162 UniProt: 97-162                          Exon 2.10a       Transcript 2 (1)
           Transcript 2 (2) -----------------------------------------------------------Exon 2.7  PDB: A:60-96 UniProt: 60-96---------------------------------------------------------------------------------- Transcript 2 (2)
                1ki1 A    1 MQTIKCVVVGDGAVGKTCLLISYTTNKFPSEYVPTVFDNYAVTVMIGGEPYTLGLFDTAGQEDYDRLRPLSYPQTDVFLVCFSVVSPSSFENVKEKWVPEITHHCPKTPFLLVGTQIDLRDDPSTIEKLAKNKQKPITPETAEKLARDLKAVKYVECSALTQKGLKNVFDEAILAALE  178
                                    10        20        30        40        50        60        70        80        90       100       110       120       130       140       150       160       170        

Chain B from PDB  Type:PROTEIN  Length:342
 aligned with ITSN1_HUMAN | Q15811 from UniProtKB/Swiss-Prot  Length:1721

    Alignment length:353
                                  1238      1248      1258      1268      1278      1288      1298      1308      1318      1328      1338      1348      1358      1368      1378      1388      1398      1408      1418      1428      1438      1448      1458      1468      1478      1488      1498      1508      1518      1528      1538      1548      1558      1568      1578   
         ITSN1_HUMAN   1229 DMLTPTERKRQGYIHELIVTEENYVNDLQLVTEIFQKPLMESELLTEKEVAMIFVNWKELIMCNIKLLKALRVRKKMSGEKMPVKMIGDILSAQLPHMQPYIRFCSRQLNGAALIQQKTDEAPDFKEFVKRLAMDPRCKGMPLSSFILKPMQRVTRYPLIIKNILENTPENHPDHSHLKHALEKAEELCSQVNEGVREKENSDRLEWIQAHVQCEGLSEQLVFNSVTNCLGPRKFLHSGKLYKAKSNKELYGFLFNDFLLLTQITKPLGSSGTDKVFSPKSNLQYKMYKTPIFLNEVLVKLPTDPSGDEPIFHISHIDRVYTLRAESINERTAWVQKIKAASELYIETEKKKR 1581
               SCOP domains d1ki1b1 B:1229-1438 GEF of intersectin                                                                                                                                                                            d1ki1b2 B:1439-1580 GEF of intersectin                                                                                                          SCOP domains
               CATH domains 1ki1B01 B:1229-1427 Dbl Homology Domain; Chain A                                                                                                                                                       1ki1B02 B:1428-1579 Pleckstrin-homology domain (PH domain)/Phosphoty       rosine-bind ing domain (PTB)                                                  - CATH domains
               Pfam domains ----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- Pfam domains
         Sec.struct. author ...hhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhh...hhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhh.......hhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhh..hhhhhhhhhhhhhhhhhhhhhhhhh.......hhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhh.ee.....................eeee............eeeee..eeeeeeee..-------........eee-e....ee...eeee........---.eeee..eeee....hhhhhhhhhhhhhhhhhhhhhhhh... Sec.struct. author
                 SAPs(SNPs) ----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- SAPs(SNPs)
                PROSITE (1) --------DH_2  PDB: B:1237-1423 UniProt: 1237-1423                                                                                                                                                  --------------------------------------PH_DOMAIN  PDB: B:1462-1570 UniProt: 1462-1571                                                                ---------- PROSITE (1)
                PROSITE (2) ----------------------------------------------------------------------------------------------------------------------------------------------DH_1  PDB: B:1371-1396    ----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- PROSITE (2)
           Transcript 1 (1) Exon 1.38b  PDB: B:1229-1261     Exon 1.39a  PDB: B:1262-1297        -------------------------------------------------------------Exon 1.41  PDB: B:1359-1391      Exon 1.42a  PDB: B:1392-1447 UniProt: 1392-1447         Exon 1.43  PDB: B:1448-1517 (gaps) UniProt: 1448-1518                  Exon 1.44  PDB: B:1518-1558 (gaps)       ---------------------- Transcript 1 (1)
           Transcript 1 (2) --------------------------------------------------------------------Exon 1.40  PDB: B:1297-1358 UniProt: 1297-1358                --------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------Exon 1.45 [INCOMPLETE]  Transcript 1 (2)
                1ki1 B 1229 DMLTPTERKRQGYIHELIVTEENYVNDLQLVTEIFQKPLMESELLTEKEVAMIFVNWKELIMCNIKLLKALRVRKKMSGEKMPVKMIGDILSAQLPHMQPYIRFCSRQLNGAALIQQKTDEAPDFKEFVKRLEMDPRCKGMPLSSFILKPMQRVTRYPLIIKNILENTPENHPDHSHLKHALEKAEELCSQVNEGVREKENSDRLEWIQAHVQCEGLSEQLVFNSVTNCLGPRKFLHSGKLYKAKNNKELYGFLFNDFLLLTQITKP-------KVFSPKSNLQY-MYKTPIFLNEVLVKLPTDPSGD---FHISHIDRVYTLRAESINERTAWVQKIKAASELYIETEKKKR 1580
                                  1238      1248      1258      1268      1278      1288      1298      1308      1318      1328      1338      1348      1358      1368      1378      1388      1398      1408      1418      1428      1438      1448      1458      1468      1478      1488      |  -    | 1508    | 1517      1527       | - |    1547      1557      1567      1577   
                                                                                                                                                                                                                                                                                                   1495    1503      1513 |                 1535   |                                         
                                                                                                                                                                                                                                                                                                                       1514                     1539                                         

Chain C from PDB  Type:PROTEIN  Length:178
 aligned with CDC42_HUMAN | P60953 from UniProtKB/Swiss-Prot  Length:191

    Alignment length:178
                                    10        20        30        40        50        60        70        80        90       100       110       120       130       140       150       160       170        
         CDC42_HUMAN      1 MQTIKCVVVGDGAVGKTCLLISYTTNKFPSEYVPTVFDNYAVTVMIGGEPYTLGLFDTAGQEDYDRLRPLSYPQTDVFLVCFSVVSPSSFENVKEKWVPEITHHCPKTPFLLVGTQIDLRDDPSTIEKLAKNKQKPITPETAEKLARDLKAVKYVECSALTQKGLKNVFDEAILAALE  178
               SCOP domains d1ki1c_ C: CDC42                                                                                                                                                                   SCOP domains
               CATH domains 1ki1C00 C:1-178 P-loop containing nucleotide triphosphate hydrolases                                                                                                               CATH domains
               Pfam domains ---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- Pfam domains
         Sec.struct. author ..eeeeeeee....hhhhhhhhhhhh.............eeeeeee..eeeeeeee..........hhhhhh....eeeeeee..hhhhhhhhhhhhhhhhhhhh....eeeeeehhhhh.hhhhhhhhhh......hhhhhhhhhhhh...eeee.......hhhhhhhhhhhhhhh Sec.struct. author
                 SAPs(SNPs) ---------------------------------------------------------------C------------------------------------------------------------------------------------------------------------------ SAPs(SNPs)
                    PROSITE RHO  PDB: C:1-176 UniProt: 1-176                                                                                                                                                -- PROSITE
           Transcript 2 (1) Exon 2.4  PDB: C:1-35 UniProt: 1-35Exon 2.6  PDB: C:36-60   ------------------------------------Exon 2.8b  PDB: C:97-162 UniProt: 97-162                          Exon 2.10a       Transcript 2 (1)
           Transcript 2 (2) -----------------------------------------------------------Exon 2.7  PDB: C:60-96 UniProt: 60-96---------------------------------------------------------------------------------- Transcript 2 (2)
                1ki1 C    1 MQTIKCVVVGDGAVGKTCLLISYTTNKFPSEYVPTVFDNYAVTVMIGGEPYTLGLFDTAGQEDYDRLRPLSYPQTDVFLVCFSVVSPSSFENVKEKWVPEITHHCPKTPFLLVGTQIDLRDDPSTIEKLAKNKQKPITPETAEKLARDLKAVKYVECSALTQKGLKNVFDEAILAALE  178
                                    10        20        30        40        50        60        70        80        90       100       110       120       130       140       150       160       170        

Chain D from PDB  Type:PROTEIN  Length:342
 aligned with ITSN1_HUMAN | Q15811 from UniProtKB/Swiss-Prot  Length:1721

    Alignment length:353
                                  1238      1248      1258      1268      1278      1288      1298      1308      1318      1328      1338      1348      1358      1368      1378      1388      1398      1408      1418      1428      1438      1448      1458      1468      1478      1488      1498      1508      1518      1528      1538      1548      1558      1568      1578   
         ITSN1_HUMAN   1229 DMLTPTERKRQGYIHELIVTEENYVNDLQLVTEIFQKPLMESELLTEKEVAMIFVNWKELIMCNIKLLKALRVRKKMSGEKMPVKMIGDILSAQLPHMQPYIRFCSRQLNGAALIQQKTDEAPDFKEFVKRLAMDPRCKGMPLSSFILKPMQRVTRYPLIIKNILENTPENHPDHSHLKHALEKAEELCSQVNEGVREKENSDRLEWIQAHVQCEGLSEQLVFNSVTNCLGPRKFLHSGKLYKAKSNKELYGFLFNDFLLLTQITKPLGSSGTDKVFSPKSNLQYKMYKTPIFLNEVLVKLPTDPSGDEPIFHISHIDRVYTLRAESINERTAWVQKIKAASELYIETEKKKR 1581
               SCOP domains d1ki1d1 D:1229-1438 GEF of intersectin                                                                                                                                                                            d1ki1d2 D:1439-1580 GEF of intersectin                                                                                                          SCOP domains
               CATH domains 1ki1D01 D:1229-1427 Dbl Homology Domain; Chain A                                                                                                                                                       1ki1D02 D:1428-1579 Pleckstrin-homology domain (PH domain)/Phosphoty       rosine-bind ing domain (PTB)                                                  - CATH domains
               Pfam domains ----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- Pfam domains
         Sec.struct. author ...hhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhh...hhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhh.......hhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhh..hhhhhhhhhhhhhhhhhhhhhhhhh.......hhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhh.ee.....................eeee............eeeee..eeeeeeee..-------........eee-e....ee...eeee........---.eeee..eeee....hhhhhhhhhhhhhhhhhhhhhhhh... Sec.struct. author
                 SAPs(SNPs) ----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- SAPs(SNPs)
                PROSITE (1) --------DH_2  PDB: D:1237-1423 UniProt: 1237-1423                                                                                                                                                  --------------------------------------PH_DOMAIN  PDB: D:1462-1570 UniProt: 1462-1571                                                                ---------- PROSITE (1)
                PROSITE (2) ----------------------------------------------------------------------------------------------------------------------------------------------DH_1  PDB: D:1371-1396    ----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- PROSITE (2)
           Transcript 1 (1) Exon 1.38b  PDB: D:1229-1261     Exon 1.39a  PDB: D:1262-1297        -------------------------------------------------------------Exon 1.41  PDB: D:1359-1391      Exon 1.42a  PDB: D:1392-1447 UniProt: 1392-1447         Exon 1.43  PDB: D:1448-1517 (gaps) UniProt: 1448-1518                  Exon 1.44  PDB: D:1518-1558 (gaps)       ---------------------- Transcript 1 (1)
           Transcript 1 (2) --------------------------------------------------------------------Exon 1.40  PDB: D:1297-1358 UniProt: 1297-1358                --------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------Exon 1.45 [INCOMPLETE]  Transcript 1 (2)
                1ki1 D 1229 DMLTPTERKRQGYIHELIVTEENYVNDLQLVTEIFQKPLMESELLTEKEVAMIFVNWKELIMCNIKLLKALRVRKKMSGEKMPVKMIGDILSAQLPHMQPYIRFCSRQLNGAALIQQKTDEAPDFKEFVKRLEMDPRCKGMPLSSFILKPMQRVTRYPLIIKNILENTPENHPDHSHLKHALEKAEELCSQVNEGVREKENSDRLEWIQAHVQCEGLSEQLVFNSVTNCLGPRKFLHSGKLYKAKNNKELYGFLFNDFLLLTQITKP-------KVFSPKSNLQY-MYKTPIFLNEVLVKLPTDPSGD---FHISHIDRVYTLRAESINERTAWVQKIKAASELYIETEKKKR 1580
                                  1238      1248      1258      1268      1278      1288      1298      1308      1318      1328      1338      1348      1358      1368      1378      1388      1398      1408      1418      1428      1438      1448      1458      1468      1478      1488      |  -    | 1508    | 1517      1527       | - |    1547      1557      1567      1577   
                                                                                                                                                                                                                                                                                                   1495    1503      1513 |                 1535   |                                         
                                                                                                                                                                                                                                                                                                                       1514                     1539                                         

   Legend:   → Mismatch (orange background)
  - → Gap (green background, '-', border residues have a numbering label)
    → Modified Residue (blue background, lower-case, 'x' indicates undefined single-letter code, labelled with number + name)
  x → Chemical Group (purple background, 'x', labelled with number + name, e.g. ACE or NH2)
  extra numbering lines below/above indicate numbering irregularities and modified residue names etc., number ends below/above '|'

 Classification and Annotation

(-) SCOP Domains  (3, 6)

Asymmetric Unit

(-) CATH Domains  (3, 6)

Asymmetric Unit
(-)
Class: Alpha Beta (26913)
(-)
Class: Mainly Beta (13760)

(-) Pfam Domains  (0, 0)

(no "Pfam Domain" information available for 1KI1)

(-) Gene Ontology  (131, 141)

Asymmetric Unit(hide GO term definitions)
Chain A,C   (CDC42_HUMAN | P60953)
molecular function
    GO:0005525    GTP binding    Interacting selectively and non-covalently with GTP, guanosine triphosphate.
    GO:0030742    GTP-dependent protein binding    Interacting selectively and non-covalently with any protein or protein complex (a complex of two or more proteins that may include other nonprotein molecules) using energy from the hydrolysis of GTP.
    GO:0003924    GTPase activity    Catalysis of the reaction: GTP + H2O = GDP + phosphate.
    GO:0051022    Rho GDP-dissociation inhibitor binding    Interacting selectively and non-covalently with a Rho GDP-dissociation inhibitor protein.
    GO:0034191    apolipoprotein A-I receptor binding    Interacting selectively and non-covalently with an apolipoprotein A-I receptor.
    GO:0042802    identical protein binding    Interacting selectively and non-covalently with an identical protein or proteins.
    GO:0031435    mitogen-activated protein kinase kinase kinase binding    Interacting selectively and non-covalently with a mitogen-activated protein kinase kinase kinase, any protein that can phosphorylate a MAP kinase kinase.
    GO:0000166    nucleotide binding    Interacting selectively and non-covalently with a nucleotide, any compound consisting of a nucleoside that is esterified with (ortho)phosphate or an oligophosphate at any hydroxyl group on the ribose or deoxyribose.
    GO:0005515    protein binding    Interacting selectively and non-covalently with any protein or protein complex (a complex of two or more proteins that may include other nonprotein molecules).
    GO:0019901    protein kinase binding    Interacting selectively and non-covalently with a protein kinase, any enzyme that catalyzes the transfer of a phosphate group, usually from ATP, to a protein substrate.
    GO:0031996    thioesterase binding    Interacting selectively and non-covalently with any thioesterase enzyme.
    GO:0061630    ubiquitin protein ligase activity    Catalysis of the transfer of ubiquitin to a substrate protein via the reaction X-ubiquitin + S -> X + S-ubiquitin, where X is either an E2 or E3 enzyme, the X-ubiquitin linkage is a thioester bond, and the S-ubiquitin linkage is an amide bond: an isopeptide bond between the C-terminal glycine of ubiquitin and the epsilon-amino group of lysine residues in the substrate or, in the linear extension of ubiquitin chains, a peptide bond the between the C-terminal glycine and N-terminal methionine of ubiquitin residues.
biological process
    GO:0038096    Fc-gamma receptor signaling pathway involved in phagocytosis    An Fc-gamma receptor signaling pathway that contributes to the endocytic engulfment of external particulate material by phagocytes.
    GO:0007030    Golgi organization    A process that is carried out at the cellular level which results in the assembly, arrangement of constituent parts, or disassembly of the Golgi apparatus.
    GO:0031295    T cell costimulation    The process of providing, via surface-bound receptor-ligand pairs, a second, antigen-independent, signal in addition to that provided by the T cell receptor to augment T cell activation.
    GO:0060071    Wnt signaling pathway, planar cell polarity pathway    The series of molecular signals initiated by binding of a Wnt protein to a receptor on the surface of the target cell where activated receptors signal via downstream effectors including C-Jun N-terminal kinase (JNK) to modulate cytoskeletal elements and control cell polarity.
    GO:0030036    actin cytoskeleton organization    A process that is carried out at the cellular level which results in the assembly, arrangement of constituent parts, or disassembly of cytoskeletal structures comprising actin filaments and their associated proteins.
    GO:0090135    actin filament branching    The formation of daughter actin filament branches at an angle on the sides of preexisting mother filaments.
    GO:0051017    actin filament bundle assembly    The assembly of actin filament bundles; actin filaments are on the same axis but may be oriented with the same or opposite polarities and may be packed with different levels of tightness.
    GO:0007015    actin filament organization    A process that is carried out at the cellular level which results in the assembly, arrangement of constituent parts, or disassembly of cytoskeletal structures comprising actin filaments. Includes processes that control the spatial distribution of actin filaments, such as organizing filaments into meshworks, bundles, or other structures, as by cross-linking.
    GO:0034332    adherens junction organization    A process that is carried out at the cellular level which results in the assembly, arrangement of constituent parts, or disassembly of an adherens junction. An adherens junction is a cell junction at which the cytoplasmic face of the plasma membrane is attached to actin filaments.
    GO:0007596    blood coagulation    The sequential process in which the multiple coagulation factors of the blood interact, ultimately resulting in the formation of an insoluble fibrin clot; it may be divided into three stages: stage 1, the formation of intrinsic and extrinsic prothrombin converting principle; stage 2, the formation of thrombin; stage 3, the formation of stable fibrin polymers.
    GO:0060070    canonical Wnt signaling pathway    The series of molecular signals initiated by binding of a Wnt protein to a frizzled family receptor on the surface of the target cell, followed by propagation of the signal via beta-catenin, and ending with a change in transcription of target genes. In this pathway, the activated receptor signals via downstream effectors that result in the inhibition of beta-catenin phosphorylation, thereby preventing degradation of beta-catenin. Stabilized beta-catenin can then accumulate and travel to the nucleus to trigger changes in transcription of target genes.
    GO:0003161    cardiac conduction system development    The process whose specific outcome is the progression of the cardiac conduction system over time, from its formation to the mature structure. The cardiac conduction system consists of specialized cardiomyocytes that regulate the frequency of heart beat.
    GO:0030154    cell differentiation    The process in which relatively unspecialized cells, e.g. embryonic or regenerative cells, acquire specialized structural and/or functional features that characterize the cells, tissues, or organs of the mature organism or some other relatively stable phase of the organism's life history. Differentiation includes the processes involved in commitment of a cell to a specific fate and its subsequent development to the mature state.
    GO:0034613    cellular protein localization    Any process in which a protein is transported to, and/or maintained in, a specific location at the level of a cell. Localization at the cellular level encompasses movement within the cell, from within the cell to the cell surface, or from one location to another at the surface of a cell.
    GO:0036336    dendritic cell migration    The movement of a dendritic cell within or between different tissues and organs of the body.
    GO:0006897    endocytosis    A vesicle-mediated transport process in which cells take up external materials or membrane constituents by the invagination of a small region of the plasma membrane to form a new membrane-bounded vesicle.
    GO:0048013    ephrin receptor signaling pathway    The series of molecular signals generated as a consequence of an ephrin receptor binding to an ephrin.
    GO:0048730    epidermis morphogenesis    The process in which the anatomical structures of the epidermis are generated and organized. The epidermis is the outer epithelial layer of an animal, it may be a single layer that produces an extracellular material (e.g. the cuticle of arthropods) or a complex stratified squamous epithelium, as in the case of many vertebrate species.
    GO:0090136    epithelial cell-cell adhesion    The attachment of an epithelial cell to another epithelial cell via adhesion molecules.
    GO:0060684    epithelial-mesenchymal cell signaling    Any process that results in the transfer of information from an epithelial cell to a mesenchymal cell where it is interpreted.
    GO:0051683    establishment of Golgi localization    The directed movement of the Golgi to a specific location.
    GO:0035088    establishment or maintenance of apical/basal cell polarity    Any cellular process that results in the specification, formation or maintenance polarization of a cell's architecture along its apical/basal axis so that the apical and basal regions of the cell have different membrane, extracellular matrix and sub-membrane cellular components.
    GO:0007163    establishment or maintenance of cell polarity    Any cellular process that results in the specification, formation or maintenance of anisotropic intracellular organization or cell growth patterns.
    GO:0046847    filopodium assembly    The assembly of a filopodium, a thin, stiff protrusion extended by the leading edge of a motile cell such as a crawling fibroblast or amoeba, or an axonal growth cone.
    GO:0031069    hair follicle morphogenesis    The process in which the anatomical structures of the hair follicle are generated and organized.
    GO:0060789    hair follicle placode formation    The developmental process in which a hair placode forms. An hair follicle placode is a thickening of the ectoderm that will give rise to the hair follicle bud.
    GO:0060047    heart contraction    The multicellular organismal process in which the heart decreases in volume in a characteristic way to propel blood through the body.
    GO:0031424    keratinization    The process in which the cytoplasm of the outermost cells of the vertebrate epidermis is replaced by keratin. Keratinization occurs in the stratum corneum, feathers, hair, claws, nails, hooves, and horns.
    GO:0003334    keratinocyte development    The process whose specific outcome is the progression of a keratinocyte over time, from its formation to the mature structure.
    GO:0030225    macrophage differentiation    The process in which a relatively unspecialized monocyte acquires the specialized features of a macrophage.
    GO:0035264    multicellular organism growth    The increase in size or mass of an entire multicellular organism, as opposed to cell growth.
    GO:0042059    negative regulation of epidermal growth factor receptor signaling pathway    Any process that stops, prevents, or reduces the frequency, rate or extent of epidermal growth factor receptor signaling pathway activity.
    GO:0010629    negative regulation of gene expression    Any process that decreases the frequency, rate or extent of gene expression. Gene expression is the process in which a gene's coding sequence is converted into a mature gene product or products (proteins or RNA). This includes the production of an RNA transcript as well as any processing to produce a mature RNA product or an mRNA or circRNA (for protein-coding genes) and the translation of that mRNA or circRNA into protein. Protein maturation is included when required to form an active form of a product from an inactive precursor form.
    GO:0031333    negative regulation of protein complex assembly    Any process that stops, prevents, or reduces the frequency, rate or extent of protein complex assembly.
    GO:0007399    nervous system development    The process whose specific outcome is the progression of nervous tissue over time, from its formation to its mature state.
    GO:0048664    neuron fate determination    The process in which a cell becomes capable of differentiating autonomously into a neuron regardless of its environment; upon determination, the cell fate cannot be reversed.
    GO:0007097    nuclear migration    The directed movement of the nucleus.
    GO:0051647    nucleus localization    Any process in which the nucleus is transported to, and/or maintained in, a specific location within the cell.
    GO:0072384    organelle transport along microtubule    The directed movement of an organelle along a microtubule, mediated by motor proteins. This process begins with the attachment of an organelle to a microtubule, and ends when the organelle reaches its final destination.
    GO:0045740    positive regulation of DNA replication    Any process that activates or increases the frequency, rate or extent of DNA replication.
    GO:0046330    positive regulation of JNK cascade    Any process that activates or increases the frequency, rate or extent of signal transduction mediated by the JNK cascade.
    GO:0043410    positive regulation of MAPK cascade    Any process that activates or increases the frequency, rate or extent of signal transduction mediated by the MAPK cascade.
    GO:0030307    positive regulation of cell growth    Any process that activates or increases the frequency, rate, extent or direction of cell growth.
    GO:0032467    positive regulation of cytokinesis    Any process that activates or increases the frequency, rate or extent of the division of the cytoplasm of a cell, and its separation into two daughter cells.
    GO:0060501    positive regulation of epithelial cell proliferation involved in lung morphogenesis    Any process that increases the rate or frequency of epithelial cell proliferation that results in the lung attaining its shape.
    GO:0010628    positive regulation of gene expression    Any process that increases the frequency, rate or extent of gene expression. Gene expression is the process in which a gene's coding sequence is converted into a mature gene product or products (proteins or RNA). This includes the production of an RNA transcript as well as any processing to produce a mature RNA product or an mRNA or circRNA (for protein-coding genes) and the translation of that mRNA or circRNA into protein. Protein maturation is included when required to form an active form of a product from an inactive precursor form.
    GO:0071338    positive regulation of hair follicle cell proliferation    Any process that activates or increases the rate or extent of hair follicle cell proliferation.
    GO:0090316    positive regulation of intracellular protein transport    Any process that activates or increases the frequency, rate or extent of the directed movement of proteins within cells.
    GO:0051149    positive regulation of muscle cell differentiation    Any process that activates or increases the frequency, rate or extent of muscle cell differentiation.
    GO:0043525    positive regulation of neuron apoptotic process    Any process that activates or increases the frequency, rate or extent of cell death of neurons by apoptotic process.
    GO:0033138    positive regulation of peptidyl-serine phosphorylation    Any process that activates or increases the frequency, rate or extent of the phosphorylation of peptidyl-serine.
    GO:0043552    positive regulation of phosphatidylinositol 3-kinase activity    Any process that activates or increases the frequency, rate or extent of phosphatidylinositol 3-kinase activity.
    GO:0001934    positive regulation of protein phosphorylation    Any process that activates or increases the frequency, rate or extent of addition of phosphate groups to amino acids within a protein.
    GO:0031274    positive regulation of pseudopodium assembly    Any process that activates or increases the frequency, rate or extent of the assembly of pseudopodia.
    GO:1900026    positive regulation of substrate adhesion-dependent cell spreading    Any process that activates or increases the frequency, rate or extent of substrate adhesion-dependent cell spreading.
    GO:0051835    positive regulation of synapse structural plasticity    Any process that activates, maintains or increases the frequency, rate or extent of synaptic structural plasticity.
    GO:0016567    protein ubiquitination    The process in which one or more ubiquitin groups are added to a protein.
    GO:0051988    regulation of attachment of spindle microtubules to kinetochore    Any process that modulates the frequency, rate or extent of the attachment of spindle microtubules to the kinetochore.
    GO:0051489    regulation of filopodium assembly    Any process that modulates the frequency, rate or extent of the assembly of a filopodium, a thin, stiff protrusion extended by the leading edge of a motile cell such as a crawling fibroblast or amoeba, or an axonal growth cone.
    GO:0007088    regulation of mitotic nuclear division    Any process that modulates the frequency, rate or extent of mitosis.
    GO:0042176    regulation of protein catabolic process    Any process that modulates the frequency, rate or extent of the chemical reactions and pathways resulting in the breakdown of a protein by the destruction of the native, active configuration, with or without the hydrolysis of peptide bonds.
    GO:0043497    regulation of protein heterodimerization activity    Any process that modulates the frequency, rate or extent of protein heterodimerization, interacting selectively with a nonidentical protein to form a heterodimer.
    GO:0045859    regulation of protein kinase activity    Any process that modulates the frequency, rate or extent of protein kinase activity.
    GO:0051246    regulation of protein metabolic process    Any process that modulates the frequency, rate or extent of the chemical reactions and pathways involving a protein.
    GO:0031647    regulation of protein stability    Any process that affects the structure and integrity of a protein, altering the likelihood of its degradation or aggregation.
    GO:0051056    regulation of small GTPase mediated signal transduction    Any process that modulates the frequency, rate or extent of small GTPase mediated signal transduction.
    GO:0016337    single organismal cell-cell adhesion    The attachment of one cell to another cell via adhesion molecules, where both cells are part of the same organism.
    GO:0007264    small GTPase mediated signal transduction    Any series of molecular signals in which a small monomeric GTPase relays one or more of the signals.
    GO:0002040    sprouting angiogenesis    The extension of new blood vessels from existing capillaries into avascular tissues resulting from the proliferation of blood vessel endothelial cells.
    GO:0060661    submandibular salivary gland formation    The developmental process pertaining to the initial formation of a submandibular salivary gland. This process begins with a thickening of the epithelium next to the tongue and ends when a bud linked to the oral surface is formed.
    GO:0021762    substantia nigra development    The progression of the substantia nigra over time from its initial formation until its mature state. The substantia nigra is the layer of gray substance that separates the posterior parts of the cerebral peduncles (tegmentum mesencephali) from the anterior parts; it normally includes a posterior compact part with many pigmented cells (pars compacta) and an anterior reticular part whose cells contain little pigment (pars reticularis).
    GO:0048010    vascular endothelial growth factor receptor signaling pathway    Any series of molecular signals initiated by the binding of an extracellular ligand to a vascular endothelial growth factor receptor (VEGFR) located on the surface of the receiving cell, and ending with regulation of a downstream cellular process, e.g. transcription.
cellular component
    GO:0000139    Golgi membrane    The lipid bilayer surrounding any of the compartments of the Golgi apparatus.
    GO:0045177    apical part of cell    The region of a polarized cell that forms a tip or is distal to a base. For example, in a polarized epithelial cell, the apical region has an exposed surface and lies opposite to the basal lamina that separates the epithelium from other tissue.
    GO:0071944    cell periphery    The part of a cell encompassing the cell cortex, the plasma membrane, and any external encapsulating structures.
    GO:0042995    cell projection    A prolongation or process extending from a cell, e.g. a flagellum or axon.
    GO:0005911    cell-cell junction    A cell junction that forms a connection between two or more cells in a multicellular organism; excludes direct cytoplasmic junctions such as ring canals.
    GO:0005737    cytoplasm    All of the contents of a cell excluding the plasma membrane and nucleus, but including other subcellular structures.
    GO:0036464    cytoplasmic ribonucleoprotein granule    A ribonucleoprotein granule located in the cytoplasm.
    GO:0005856    cytoskeleton    Any of the various filamentous elements that form the internal framework of cells, and typically remain after treatment of the cells with mild detergent to remove membrane constituents and soluble components of the cytoplasm. The term embraces intermediate filaments, microfilaments, microtubules, the microtrabecular lattice, and other structures characterized by a polymeric filamentous nature and long-range order within the cell. The various elements of the cytoskeleton not only serve in the maintenance of cellular shape but also have roles in other cellular functions, including cellular movement, cell division, endocytosis, and movement of organelles.
    GO:0005829    cytosol    The part of the cytoplasm that does not contain organelles but which does contain other particulate matter, such as protein complexes.
    GO:0005789    endoplasmic reticulum membrane    The lipid bilayer surrounding the endoplasmic reticulum.
    GO:0070062    extracellular exosome    A vesicle that is released into the extracellular region by fusion of the limiting endosomal membrane of a multivesicular body with the plasma membrane. Extracellular exosomes, also simply called exosomes, have a diameter of about 40-100 nm.
    GO:0030175    filopodium    Thin, stiff, actin-based protrusion extended by the leading edge of a motile cell such as a crawling fibroblast or amoeba, or an axonal or dendritic growth cone, or a dendritic shaft.
    GO:0005925    focal adhesion    Small region on the surface of a cell that anchors the cell to the extracellular matrix and that forms a point of termination of actin filaments.
    GO:0031256    leading edge membrane    The portion of the plasma membrane surrounding the leading edge of a motile cell.
    GO:0016020    membrane    A lipid bilayer along with all the proteins and protein complexes embedded in it an attached to it.
    GO:0005815    microtubule organizing center    An intracellular structure that can catalyze gamma-tubulin-dependent microtubule nucleation and that can anchor microtubules by interacting with their minus ends, plus ends or sides.
    GO:0030496    midbody    A thin cytoplasmic bridge formed between daughter cells at the end of cytokinesis. The midbody forms where the contractile ring constricts, and may persist for some time before finally breaking to complete cytokinesis.
    GO:0072686    mitotic spindle    A spindle that forms as part of mitosis. Mitotic and meiotic spindles contain distinctive complements of proteins associated with microtubules.
    GO:0043209    myelin sheath    An electrically insulating fatty layer that surrounds the axons of many neurons. It is an outgrowth of glial cells: Schwann cells supply the myelin for peripheral neurons while oligodendrocytes supply it to those of the central nervous system.
    GO:0043005    neuron projection    A prolongation or process extending from a nerve cell, e.g. an axon or dendrite.
    GO:0043025    neuronal cell body    The portion of a neuron that includes the nucleus, but excludes cell projections such as axons and dendrites.
    GO:0005886    plasma membrane    The membrane surrounding a cell that separates the cell from its external environment. It consists of a phospholipid bilayer and associated proteins.
    GO:0030141    secretory granule    A small subcellular vesicle, surrounded by a membrane, that is formed from the Golgi apparatus and contains a highly concentrated protein destined for secretion. Secretory granules move towards the periphery of the cell and upon stimulation, their membranes fuse with the cell membrane, and their protein load is exteriorized. Processing of the contained protein may take place in secretory granules.
    GO:0005819    spindle    The array of microtubules and associated molecules that forms between opposite poles of a eukaryotic cell during mitosis or meiosis and serves to move the duplicated chromosomes apart.
    GO:0051233    spindle midzone    The area in the center of the spindle where the spindle microtubules from opposite poles overlap.
    GO:0000322    storage vacuole    A vacuole that functions primarily in the storage of materials, including nutrients, pigments, waste products, and small molecules.

Chain B,D   (ITSN1_HUMAN | Q15811)
molecular function
    GO:0005089    Rho guanyl-nucleotide exchange factor activity    Stimulates the exchange of guanyl nucleotides associated with a GTPase of the Rho family. Under normal cellular physiological conditions, the concentration of GTP is higher than that of GDP, favoring the replacement of GDP by GTP in association with the GTPase.
    GO:0005509    calcium ion binding    Interacting selectively and non-covalently with calcium ions (Ca2+).
    GO:0005085    guanyl-nucleotide exchange factor activity    Stimulates the exchange of guanyl nucleotides associated with a GTPase. Under normal cellular physiological conditions, the concentration of GTP is higher than that of GDP, favoring the replacement of GDP by GTP in association with the GTPase.
    GO:0019209    kinase activator activity    Binds to and increases the activity of a kinase, an enzyme which catalyzes of the transfer of a phosphate group, usually from ATP, to a substrate molecule.
    GO:0046872    metal ion binding    Interacting selectively and non-covalently with any metal ion.
    GO:0070064    proline-rich region binding    Interacting selectively and non-covalently with a proline-rich region, i.e. a region that contains a high proportion of proline residues, in a protein.
    GO:0005515    protein binding    Interacting selectively and non-covalently with any protein or protein complex (a complex of two or more proteins that may include other nonprotein molecules).
    GO:0032947    protein complex scaffold activity    A structural molecule activity that provides a physical support for the assembly of a multiprotein complex. The scaffold may or may not be part of the final complex.
biological process
    GO:0006897    endocytosis    A vesicle-mediated transport process in which cells take up external materials or membrane constituents by the invagination of a small region of the plasma membrane to form a new membrane-bounded vesicle.
    GO:0048013    ephrin receptor signaling pathway    The series of molecular signals generated as a consequence of an ephrin receptor binding to an ephrin.
    GO:0035556    intracellular signal transduction    The process in which a signal is passed on to downstream components within the cell, which become activated themselves to further propagate the signal and finally trigger a change in the function or state of the cell.
    GO:0043524    negative regulation of neuron apoptotic process    Any process that stops, prevents, or reduces the frequency, rate or extent of cell death by apoptotic process in neurons.
    GO:0043547    positive regulation of GTPase activity    Any process that activates or increases the activity of a GTPase.
    GO:0043065    positive regulation of apoptotic process    Any process that activates or increases the frequency, rate or extent of cell death by apoptotic process.
    GO:0042327    positive regulation of phosphorylation    Any process that activates or increases the frequency, rate or extent of addition of phosphate groups to a molecule.
    GO:0051897    positive regulation of protein kinase B signaling    Any process that activates or increases the frequency, rate or extent of protein kinase B signaling, a series of reactions mediated by the intracellular serine/threonine kinase protein kinase B.
    GO:0035023    regulation of Rho protein signal transduction    Any process that modulates the frequency, rate or extent of Rho protein signal transduction.
    GO:0051056    regulation of small GTPase mediated signal transduction    Any process that modulates the frequency, rate or extent of small GTPase mediated signal transduction.
    GO:0007264    small GTPase mediated signal transduction    Any series of molecular signals in which a small monomeric GTPase relays one or more of the signals.
    GO:0048488    synaptic vesicle endocytosis    Clathrin-mediated endocytosis of presynaptic membrane that recycles synaptic vesicle membrane and its components following synaptic vesicle exocytosis. This process starts with coating of the membrane with adaptor proteins and clathrin prior to invagination and ends when uncoating has finished.
cellular component
    GO:0030054    cell junction    A cellular component that forms a specialized region of connection between two or more cells or between a cell and the extracellular matrix. At a cell junction, anchoring proteins extend through the plasma membrane to link cytoskeletal proteins in one cell to cytoskeletal proteins in neighboring cells or to proteins in the extracellular matrix.
    GO:0042995    cell projection    A prolongation or process extending from a cell, e.g. a flagellum or axon.
    GO:0005905    clathrin-coated pit    A part of the endomembrane system in the form of an invagination of a membrane upon which a clathrin coat forms, and that can be converted by vesicle budding into a clathrin-coated vesicle. Coated pits form on the plasma membrane, where they are involved in receptor-mediated selective transport of many proteins and other macromolecules across the cell membrane, in the trans-Golgi network, and on some endosomes.
    GO:0005829    cytosol    The part of the cytoplasm that does not contain organelles but which does contain other particulate matter, such as protein complexes.
    GO:0030139    endocytic vesicle    A membrane-bounded intracellular vesicle formed by invagination of the plasma membrane around an extracellular substance. Endocytic vesicles fuse with early endosomes to deliver the cargo for further sorting.
    GO:0012505    endomembrane system    A collection of membranous structures involved in transport within the cell. The main components of the endomembrane system are endoplasmic reticulum, Golgi bodies, vesicles, cell membrane and nuclear envelope. Members of the endomembrane system pass materials through each other or though the use of vesicles.
    GO:0030027    lamellipodium    A thin sheetlike process extended by the leading edge of a migrating cell or extending cell process; contains a dense meshwork of actin filaments.
    GO:0016020    membrane    A lipid bilayer along with all the proteins and protein complexes embedded in it an attached to it.
    GO:0043005    neuron projection    A prolongation or process extending from a nerve cell, e.g. an axon or dendrite.
    GO:0005886    plasma membrane    The membrane surrounding a cell that separates the cell from its external environment. It consists of a phospholipid bilayer and associated proteins.
    GO:0045202    synapse    The junction between a nerve fiber of one neuron and another neuron, muscle fiber or glial cell. As the nerve fiber approaches the synapse it enlarges into a specialized structure, the presynaptic nerve ending, which contains mitochondria and synaptic vesicles. At the tip of the nerve ending is the presynaptic membrane; facing it, and separated from it by a minute cleft (the synaptic cleft) is a specialized area of membrane on the receiving cell, known as the postsynaptic membrane. In response to the arrival of nerve impulses, the presynaptic nerve ending secretes molecules of neurotransmitters into the synaptic cleft. These diffuse across the cleft and transmit the signal to the postsynaptic membrane.

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        CDC42_HUMAN | P609531a4r 1aje 1am4 1an0 1cee 1cf4 1doa 1e0a 1ees 1grn 1gzs 1kz7 1kzg 1nf3 2ase 2dfk 2kb0 2ngr 2odb 2qrz 2wm9 2wmn 2wmo 3gcg 3qbv 3vhl 4did 4itr 4js0 4yc7 4ydh 5cjp 5fi1 5hzk
        ITSN1_HUMAN | Q158112kgr 2khn 3fia 3qbv 4iim 5hzi 5hzj 5hzk

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