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(-) Description

Title :  KAP95P BINDING INDUCES THE SWITCH LOOPS OF RANGDP TO ADOPT THE GTP-BOUND CONFORMATION: IMPLICATIONS FOR NUCLEAR IMPORT COMPLEX ASSEMBLY DYNAMICS
 
Authors :  J. K. Forwood, J. K. Lonhienne, G. Guncar, M. Stewart, M. Marfori, B. Kob
Date :  24 Aug 08  (Deposition) - 21 Oct 08  (Release) - 13 Jul 11  (Revision)
Method :  X-RAY DIFFRACTION
Resolution :  2.50
Chains :  Asym. Unit :  A,B,C,D
Biol. Unit 1:  A,B  (1x)
Biol. Unit 2:  C,D  (1x)
Keywords :  Karyopherin, Importin, Ran, Gtp-Binding, Host-Virus Interaction, Nucleotide-Binding, Nucleus, Phosphoprotein, Protein Transport, Transport, Transport Protein (Keyword Search: [Gene Ontology, PubMed, Web (Google))
 
Reference :  J. K. Forwood, T. G. Lonhienne, M. Marfori, G. Robin, W. Meng, G. Guncar S. M. Liu, M. Stewart, B. J. Carroll, B. Kobe
Kap95P Binding Induces The Switch Loops Of Rangdp To Adopt The Gtp-Bound Conformation: Implications For Nuclear Import Complex Assembly Dynamics.
J. Mol. Biol. V. 383 772 2008
PubMed-ID: 18708071  |  Reference-DOI: 10.1016/J.JMB.2008.07.090

(-) Compounds

Molecule 1 - GTP-BINDING NUCLEAR PROTEIN RAN
    ChainsA, C
    EngineeredYES
    Expression SystemESCHERICHIA COLI
    Expression System StrainBL21 DE3
    Expression System Taxid562
    Expression System Vector TypePGEX2T
    GeneRAN, ARA24
    MutationYES
    Organism CommonHUMAN
    Organism ScientificHOMO SAPIENS
    Organism Taxid9606
    SynonymGTPASE RAN, RAS-RELATED NUCLEAR PROTEIN, RAS-LIKE PROTEIN TC4, ANDROGEN RECEPTOR-ASSOCIATED PROTEIN 24
 
Molecule 2 - IMPORTIN SUBUNIT BETA-1
    ChainsB, D
    EngineeredYES
    Expression SystemESCHERICHIA COLI
    Expression System StrainBL21 DE3
    Expression System Taxid562
    Expression System Vector TypePGEX2T
    GeneKAP95
    Organism CommonBREWER'S YEAST,LAGER BEER YEAST,YEAST
    Organism ScientificSACCHAROMYCES CEREVISIAE
    Organism Taxid4932
    SynonymKARYOPHERIN SUBUNIT BETA-1, KARYOPHERIN-95, IMPORTIN-95

 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  (2, 6)

Asymmetric Unit (2, 6)
No.NameCountTypeFull Name
1GDP2Ligand/IonGUANOSINE-5'-DIPHOSPHATE
2MG4Ligand/IonMAGNESIUM ION
Biological Unit 1 (1, 1)
No.NameCountTypeFull Name
1GDP1Ligand/IonGUANOSINE-5'-DIPHOSPHATE
2MG-1Ligand/IonMAGNESIUM ION
Biological Unit 2 (1, 1)
No.NameCountTypeFull Name
1GDP1Ligand/IonGUANOSINE-5'-DIPHOSPHATE
2MG-1Ligand/IonMAGNESIUM ION

(-) Sites  (6, 6)

Asymmetric Unit (6, 6)
No.NameEvidenceResiduesDescription
1AC1SOFTWAREGLY A:20 , THR A:21 , GLY A:22 , LYS A:23 , THR A:24 , THR A:25 , GLU A:36 , LYS A:37 , LYS A:38 , TYR A:39 , ASN A:122 , LYS A:123 , ASP A:125 , SER A:150 , ALA A:151 , LYS A:152 , HOH A:223 , HOH A:224 , HOH A:225 , HOH A:226 , HOH A:240 , HOH A:260BINDING SITE FOR RESIDUE GDP A 220
2AC2SOFTWARETHR A:24 , THR A:42 , HOH A:225 , HOH A:226 , HOH A:260BINDING SITE FOR RESIDUE MG A 221
3AC3SOFTWARETYR A:39 , HOH A:223 , HOH A:224 , HOH A:225BINDING SITE FOR RESIDUE MG A 222
4AC4SOFTWAREGLY C:20 , THR C:21 , GLY C:22 , LYS C:23 , THR C:24 , THR C:25 , PHE C:35 , GLU C:36 , LYS C:37 , LYS C:38 , TYR C:39 , ASN C:122 , LYS C:123 , ASP C:125 , ILE C:126 , SER C:150 , ALA C:151 , LYS C:152 , HOH C:223 , HOH C:225 , HOH C:226 , HOH C:228BINDING SITE FOR RESIDUE GDP C 220
5AC5SOFTWARETHR C:24 , THR C:42 , ASP C:65 , HOH C:226 , HOH C:228BINDING SITE FOR RESIDUE MG C 221
6AC6SOFTWAREHOH C:223 , HOH C:224 , HOH C:225 , HOH C:226BINDING SITE FOR RESIDUE MG C 222

(-) SS Bonds  (0, 0)

(no "SS Bond" information available for 3EA5)

(-) Cis Peptide Bonds  (0, 0)

(no "Cis Peptide Bond" information available for 3EA5)

 Sequence-Structure Mapping

(-) SAPs(SNPs)/Variants  (1, 2)

Asymmetric Unit (1, 2)
  dbSNPPDB
No.SourceVariant IDVariantUniProt IDStatusIDChainVariant
1UniProtVAR_051900R95IRAN_HUMANPolymorphism11546488A/CR95I

  SNP/SAP Summary Statistics (UniProtKB/Swiss-Prot)
Biological Unit 1 (1, 1)
  dbSNPPDB
No.SourceVariant IDVariantUniProt IDStatusIDChainVariant
1UniProtVAR_051900R95IRAN_HUMANPolymorphism11546488AR95I

  SNP/SAP Summary Statistics (UniProtKB/Swiss-Prot)
Biological Unit 2 (1, 1)
  dbSNPPDB
No.SourceVariant IDVariantUniProt IDStatusIDChainVariant
1UniProtVAR_051900R95IRAN_HUMANPolymorphism11546488CR95I

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

(-) PROSITE Motifs  (2, 4)

Asymmetric Unit (2, 4)
 PROSITEUniProtKBPDB
No.IDACDescriptionIDLocationCountLocation
1IMPORTIN_B_NTPS50166 Importin-beta N-terminal domain profile.IMB1_YEAST25-106
 
  2B:25-106
D:25-106
2HEAT_REPEATPS50077 HEAT repeat profile.IMB1_YEAST412-450
 
  2B:412-450
D:412-450
Biological Unit 1 (2, 2)
 PROSITEUniProtKBPDB
No.IDACDescriptionIDLocationCountLocation
1IMPORTIN_B_NTPS50166 Importin-beta N-terminal domain profile.IMB1_YEAST25-106
 
  1B:25-106
-
2HEAT_REPEATPS50077 HEAT repeat profile.IMB1_YEAST412-450
 
  1B:412-450
-
Biological Unit 2 (2, 2)
 PROSITEUniProtKBPDB
No.IDACDescriptionIDLocationCountLocation
1IMPORTIN_B_NTPS50166 Importin-beta N-terminal domain profile.IMB1_YEAST25-106
 
  1-
D:25-106
2HEAT_REPEATPS50077 HEAT repeat profile.IMB1_YEAST412-450
 
  1-
D:412-450

(-) Exons   (6, 12)

Asymmetric Unit (6, 12)
 ENSEMBLUniProtKBPDB
No.Transcript IDExonExon IDGenome LocationLengthIDLocationLengthCountLocationLength
1.2aENST000003923692aENSE00001511608chr12:131356783-131357174392RAN_HUMAN1-32322A:6-32
C:9-32
27
24
1.2dENST000003923692dENSE00000903701chr12:131357381-13135746585RAN_HUMAN33-61292A:33-61
C:33-61
29
29
1.3ENST000003923693ENSE00000903703chr12:131357548-131357673126RAN_HUMAN61-103432A:61-103
C:61-103
43
43
1.5bENST000003923695bENSE00000903705chr12:131359091-131359278188RAN_HUMAN103-165632A:103-165
C:103-165
63
63
1.6cENST000003923696cENSE00000903707chr12:131360157-131360327171RAN_HUMAN166-222572A:166-179
C:166-177
14
12
1.7cENST000003923697cENSE00001511600chr12:131360427-131360826400RAN_HUMAN223-236140--

2.1YLR347C1YLR347C.1XII:826412-8238272586IMB1_YEAST1-8618612B:1-861 (gaps)
D:1-861 (gaps)
861
861

(-) 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:174
 aligned with RAN_HUMAN | P62826 from UniProtKB/Swiss-Prot  Length:216

    Alignment length:174
                                    15        25        35        45        55        65        75        85        95       105       115       125       135       145       155       165       175    
            RAN_HUMAN     6 EPQVQFKLVLVGDGGTGKTTFVKRHLTGEFEKKYVATLGVEVHPLVFHTNRGPIKFNVWDTAGQEKFGGLRDGYYIQAQCAIIMFDVTSRVTYKNVPNWHRDLVRVCENIPIVLCGNKVDIKDRKVKAKSIVFHRKKNLQYYDISAKSNYNFEKPFLWLARKLIGDPNLEFVAM 179
               SCOP domains d3ea5a_ A: Ran                                                                                                                                                                 SCOP domains
               CATH domains 3ea5A00 A:6-179 P-loop containing nucleotide triphosphate hydrolases                                                                                                           CATH domains
               Pfam domains ------------------------------------------------------------------------------------------------------------------------------------------------------------------------------ Pfam domains
         Sec.struct. author ....eeeeeeee....hhhhhhhhhhhh...........eeeeeeeeee..eeeeeeeeee..hhhhh.hhhhhhh...eeeeeee..hhhhhhhhhhhhhhhhhhh....eeeeee..............hhhhh..eeeee.........hhhhhhhhhhhhh......... Sec.struct. author
                 SAPs(SNPs) -----------------------------------------------------------------------------------------I------------------------------------------------------------------------------------ SAPs(SNPs)
                    PROSITE ------------------------------------------------------------------------------------------------------------------------------------------------------------------------------ PROSITE
           Transcript 1 (1) Exon 1.2a  PDB: A:6-32     Exon 1.2d  PDB: A:33-61      -----------------------------------------Exon 1.5b  PDB: A:103-165 UniProt: 103-165                     Exon 1.6c      Transcript 1 (1)
           Transcript 1 (2) -------------------------------------------------------Exon 1.3  PDB: A:61-103 UniProt: 61-103    ---------------------------------------------------------------------------- Transcript 1 (2)
                 3ea5 A   6 EPQVQFKLVLVGDGGTGKTTFVKRHLTGEFEKKYVATLGVEVHPLVFHTNRGPIKFNVWDTAGQEKFGGLRDGYYIQAQCAIIMFDVTSRVTYKNVPNWHRDLVRVCENIPIVLCGNKVDIKDRKVKAKSIVFHRKKNLQYYDISAKSNYNFEKPFLWLARKLIGDPNLEFVAM 179
                                    15        25        35        45        55        65        75        85        95       105       115       125       135       145       155       165       175    

Chain B from PDB  Type:PROTEIN  Length:859
 aligned with IMB1_YEAST | Q06142 from UniProtKB/Swiss-Prot  Length:861

    Alignment length:861
                                    10        20        30        40        50        60        70        80        90       100       110       120       130       140       150       160       170       180       190       200       210       220       230       240       250       260       270       280       290       300       310       320       330       340       350       360       370       380       390       400       410       420       430       440       450       460       470       480       490       500       510       520       530       540       550       560       570       580       590       600       610       620       630       640       650       660       670       680       690       700       710       720       730       740       750       760       770       780       790       800       810       820       830       840       850       860 
           IMB1_YEAST     1 MSTAEFAQLLENSILSPDQNIRLTSETQLKKLSNDNFLQFAGLSSQVLIDENTKLEGRILAALTLKNELVSKDSVKTQQFAQRWITQVSPEAKNQIKTNALTALVSIEPRIANAAAQLIAAIADIELPHGAWPELMKIMVDNTGAEQPENVKRASLLALGYMCESADPQSQALVSSSNNILIAIVQGAQSTETSKAVRLAALNALADSLIFIKNNMEREGERNYLMQVVCEATQAEDIEVQAAAFGCLCKIMSLYYTFMKPYMEQALYALTIATMKSPNDKVASMTVEFWSTICEEEIDIAYELAQFPQSPLQSYNFALSSIKDVVPNLLNLLTRQNEDPEDDDWNVSMSAGACLQLFAQNCGNHILEPVLEFVEQNITADNWRNREAAVMAFGSIMDGPDKVQRTYYVHQALPSILNLMNDQSLQVKETTAWCIGRIADSVAESIDPQQHLPGVVQACLIGLQDHPKVATNCSWTIINLVEQLAEATPSPIYNFYPALVDGLIGAANRIDNEFNARASAFSALTTMVEYATDTVAETSASISTFVMDKLGQTMSVDENQLTLEDAQSLQELQSNILTVLAAVIRKSPSSVEPVADMLMGLFFRLLEKKDSAFIEDDVFYAISALAASLGKGFEKYLETFSPYLLKALNQVDSPVSITAVGFIADISNSLEEDFRRYSDAMMNVLAQMISNPNARRELKPAVLSVFGDIASNIGADFIPYLNDIMALCVAAQNTKPENGTLEALDYQIKVLEAVLDAYVGIVAGLHDKPEALFPYVGTIFQFIAQVAEDPQLYSEDATSRAAVGLIGDIAAMFPDGSIKQFYGQDWVIDYIKRTRSGQLFSQATKDTARWAREQQKRQLSL 861
               SCOP domains d3ea5b_ B: automated matches                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  SCOP domains
               CATH domains --------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- CATH domains
               Pfam domains --------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- Pfam domains
         Sec.struct. author .hhhhhhhhhhhhhhh.hhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhh....hhhhhhhhhhhhhh.....hhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhh..hhhhhhhhhhhhhhhhhhhhhhh...hhhhhhhhhh....hhhhhhhhhhhhhhhhhhh.....--.....hhhhhhhhhh.....hhhhhhhhhhhhhhhh..hhhhhhhhhhhhhhhhhhhhhhh..hhhhhhhhhhhhhhhhhhhh..hhhhhhhhhhhhhhhhhh..hhhhhhhhhhhhhhhhhhhhhhhhhhhhh........hhhhhhhhhhhhhhhhhh............hhhhhhhhhhhhhhhhhh..hhhhhhhhhhhhh...hhhhhhhhhhhhhh.....hhhhhhhhhhhhhhhhhhhhhh.hhhhhhhhhhhhhhhhhhhhhhh....hhhhhhhhhhhhhh.hhhhhhhhhhhhhhhhhhhh....hhhhhhhhhhhhhhhhhhh...hhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhh.hhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhh.....hhhhhhhhhhhhhhhhh..hhhhhhhhhhhhhhhhhh..hhhhhhhhhhhhhhhhhhh..hhhhhhhhhhhhhhhhh......hhhhhhhhhhhhhhhhhh..hhhhhhhhhhhhhhhhh......hhhhhhhhhhhhhhhhhhhhhhhhhh..hhhhhh.hhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhh....hhhhhhhhhhhhhhhhhhhh...hhhhhhhhhhhhhhhhhhhh. Sec.struct. author
                 SAPs(SNPs) --------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- SAPs(SNPs)
                    PROSITE ------------------------IMPORTIN_B_NT  PDB: B:25-106 UniProt: 25-106                                      -----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------HEAT_REPEAT  PDB: B:412-450            --------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- PROSITE
               Transcript 2 Exon 2.1  PDB: B:1-861 (gaps) UniProt: 1-861                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  Transcript 2
                 3ea5 B   1 MSTAEFAQLLENSILSPDQNIRLTSETQLKKLSNDNFLQFAGLSSQVLIDENTKLEGRILAALTLKNELVSKDSVKTQQFAQRWITQVSPEAKNQIKTNALTALVSIEPRIANAAAQLIAAIADIELPHGAWPELMKIMVDNTGAEQPENVKRASLLALGYMCESADPQSQ--VSSSNNILIAIVQGAQSTETSKAVRLAALNALADSLIFIKNNMEREGERNYLMQVVCEATQAEDIEVQAAAFGCLCKIMSKYYTFMKPYMEQALYALTIATMKSPNDKVASMTVEFWSTICEEEIDIAYELAQFPQSPLQSYNFALSSIKDVVPNLLNLLTRQNEDPEDDDWNVSMSAGACLQLFAQNCGNHILEPVLEFVEQNITADNWRNREAAVMAFGSIMDGPDKVQRTYYVHQALPSILNLMNDQSLQVKETTAWCIGRIADSVAESIDPQQHLPGVVQACLIGLQDHPKVATNCSWTIINLVEQLAEATPSPIYNFYPALVDGLIGAANRIDNEFNARASAFSALTTMVEYATDTVAETSASISTFVMDKLGQTMSVDENQLTLEDAQSLQELQSNILTVLAAVIRKSPSSVEPVADMLMGLFFRLLEKKDSAFIEDDVFYAISALAASLGKGFEKYLETFSPYLLKALNQVDSPVSITAVGFIADISNSLEEDFRRYSDAMMNVLAQMISNPNARRELKPAVLSVFGDIASNIGADFIPYLNDIMALCVAAQNTKPENGTLEALDYQIKVLEAVLDAYVGIVAGLHDKPEALFPYVGTIFQFIAQVAEDPQLYSEDATSRAAVGLIGDIAAMFPDGSIKQFYGQDWVIDYIKRTRSGQLFSQATKDTARWAREQQKRQLSL 861
                                    10        20        30        40        50        60        70        80        90       100       110       120       130       140       150       160       170|  |   180       190       200       210       220       230       240       250       260       270       280       290       300       310       320       330       340       350       360       370       380       390       400       410       420       430       440       450       460       470       480       490       500       510       520       530       540       550       560       570       580       590       600       610       620       630       640       650       660       670       680       690       700       710       720       730       740       750       760       770       780       790       800       810       820       830       840       850       860 
                                                                                                                                                                                                    171  |                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                               
                                                                                                                                                                                                       174                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                               

Chain C from PDB  Type:PROTEIN  Length:169
 aligned with RAN_HUMAN | P62826 from UniProtKB/Swiss-Prot  Length:216

    Alignment length:169
                                    18        28        38        48        58        68        78        88        98       108       118       128       138       148       158       168         
            RAN_HUMAN     9 VQFKLVLVGDGGTGKTTFVKRHLTGEFEKKYVATLGVEVHPLVFHTNRGPIKFNVWDTAGQEKFGGLRDGYYIQAQCAIIMFDVTSRVTYKNVPNWHRDLVRVCENIPIVLCGNKVDIKDRKVKAKSIVFHRKKNLQYYDISAKSNYNFEKPFLWLARKLIGDPNLEFV 177
               SCOP domains d3ea5c_ C: Ran                                                                                                                                                            SCOP domains
               CATH domains 3ea5C00 C:9-177 P-loop containing nucleotide triphosphate hydrolases                                                                                                      CATH domains
               Pfam domains ------------------------------------------------------------------------------------------------------------------------------------------------------------------------- Pfam domains
         Sec.struct. author .eeeeeee.....hhhhhhhhhhhh...........eeeeeeeeee..eeeeeeeeee..hhhhh.hhhhhhh...eeeeeee..hhhhhhhhhhhhhhhhhhh....eeeeee.....................eeeee.........hhhhhhhhhhhhh....... Sec.struct. author
                 SAPs(SNPs) --------------------------------------------------------------------------------------I---------------------------------------------------------------------------------- SAPs(SNPs)
                    PROSITE ------------------------------------------------------------------------------------------------------------------------------------------------------------------------- PROSITE
           Transcript 1 (1) Exon 1.2a  PDB: C:9-32  Exon 1.2d  PDB: C:33-61      -----------------------------------------Exon 1.5b  PDB: C:103-165 UniProt: 103-165                     Exon 1.6c    Transcript 1 (1)
           Transcript 1 (2) ----------------------------------------------------Exon 1.3  PDB: C:61-103 UniProt: 61-103    -------------------------------------------------------------------------- Transcript 1 (2)
                 3ea5 C   9 VQFKLVLVGDGGTGKTTFVKRHLTGEFEKKYVATLGVEVHPLVFHTNRGPIKFNVWDTAGQEKFGGLRDGYYIQAQCAIIMFDVTSRVTYKNVPNWHRDLVRVCENIPIVLCGNKVDIKDRKVKAKSIVFHRKKNLQYYDISAKSNYNFEKPFLWLARKLIGDPNLEFV 177
                                    18        28        38        48        58        68        78        88        98       108       118       128       138       148       158       168         

Chain D from PDB  Type:PROTEIN  Length:849
 aligned with IMB1_YEAST | Q06142 from UniProtKB/Swiss-Prot  Length:861

    Alignment length:861
                                    10        20        30        40        50        60        70        80        90       100       110       120       130       140       150       160       170       180       190       200       210       220       230       240       250       260       270       280       290       300       310       320       330       340       350       360       370       380       390       400       410       420       430       440       450       460       470       480       490       500       510       520       530       540       550       560       570       580       590       600       610       620       630       640       650       660       670       680       690       700       710       720       730       740       750       760       770       780       790       800       810       820       830       840       850       860 
           IMB1_YEAST     1 MSTAEFAQLLENSILSPDQNIRLTSETQLKKLSNDNFLQFAGLSSQVLIDENTKLEGRILAALTLKNELVSKDSVKTQQFAQRWITQVSPEAKNQIKTNALTALVSIEPRIANAAAQLIAAIADIELPHGAWPELMKIMVDNTGAEQPENVKRASLLALGYMCESADPQSQALVSSSNNILIAIVQGAQSTETSKAVRLAALNALADSLIFIKNNMEREGERNYLMQVVCEATQAEDIEVQAAAFGCLCKIMSLYYTFMKPYMEQALYALTIATMKSPNDKVASMTVEFWSTICEEEIDIAYELAQFPQSPLQSYNFALSSIKDVVPNLLNLLTRQNEDPEDDDWNVSMSAGACLQLFAQNCGNHILEPVLEFVEQNITADNWRNREAAVMAFGSIMDGPDKVQRTYYVHQALPSILNLMNDQSLQVKETTAWCIGRIADSVAESIDPQQHLPGVVQACLIGLQDHPKVATNCSWTIINLVEQLAEATPSPIYNFYPALVDGLIGAANRIDNEFNARASAFSALTTMVEYATDTVAETSASISTFVMDKLGQTMSVDENQLTLEDAQSLQELQSNILTVLAAVIRKSPSSVEPVADMLMGLFFRLLEKKDSAFIEDDVFYAISALAASLGKGFEKYLETFSPYLLKALNQVDSPVSITAVGFIADISNSLEEDFRRYSDAMMNVLAQMISNPNARRELKPAVLSVFGDIASNIGADFIPYLNDIMALCVAAQNTKPENGTLEALDYQIKVLEAVLDAYVGIVAGLHDKPEALFPYVGTIFQFIAQVAEDPQLYSEDATSRAAVGLIGDIAAMFPDGSIKQFYGQDWVIDYIKRTRSGQLFSQATKDTARWAREQQKRQLSL 861
               SCOP domains d3ea5d_ D: automated matches                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  SCOP domains
               CATH domains --------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- CATH domains
               Pfam domains --------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- Pfam domains
         Sec.struct. author .hhhhhhhhhhhhhhh.hhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhh....hhhhhhhhhhhhhh.....hhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhh..hhhhhhhhhhhhhhhhhhhhhhh...hhhhhhhhhh....hhhhhhhhhhhhhhhhh..------------hhhhhhhhhh.....hhhhhhhhhhhhhhh...hhhhhhhhhhhhhhhhhhhhhh...hhhhhhhhhhhhhhhhhhhh..hhhhhhhhhhhhhhhhhh..hhhhhhhhhhhhhhhhhhhhhhhhhhhhh........hhhhhhhhhhhhhhhhhh............hhhhhhhhhhhhhhhhhh..hhhhhhhhhhhhh...hhhhhhhhhhhhhhh....hhhhhhhhhhhhhhhhhhhhhh.hhhhhhhhhhhhhhhhhhhhhhh....hhhhhhhhhhhhhh.hhhhhhhhhhhhhhhhhhhh....hhhhhhhhhhhhhhhhhhh...hhhhhhhhhhhhhhhhhhh.hhhhhhhhhhhhhhhhhhhhhhhh......hhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhh.....hhhhhhhhhhhhhhhhh..hhhhhhhhhhhhhhhhhh..hhhhhhhhhhhhhhhhhhh..hhhhhhhhhhhhhhhhh......hhhhhhhhhhhhhhhhhh..hhhhhhhhhhhhhhhhh......hhhhhhhhhhhhhhhhhhhhhhhhhh..hhhhhh.hhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhh....hhhhhhhhhhhhhhhhhhh....hhhhhhhhhhhhhhhhhhhh. Sec.struct. author
                 SAPs(SNPs) --------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- SAPs(SNPs)
                    PROSITE ------------------------IMPORTIN_B_NT  PDB: D:25-106 UniProt: 25-106                                      -----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------HEAT_REPEAT  PDB: D:412-450            --------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- PROSITE
               Transcript 2 Exon 2.1  PDB: D:1-861 (gaps) UniProt: 1-861                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  Transcript 2
                 3ea5 D   1 MSTAEFAQLLENSILSPDQNIRLTSETQLKKLSNDNFLQFAGLSSQVLIDENTKLEGRILAALTLKNELVSKDSVKTQQFAQRWITQVSPEAKNQIKTNALTALVSIEPRIANAAAQLIAAIADIELPHGAWPELMKIMVDNTGAEQPENVKRASLLALGYMCESA------------NILIAIVQGAQSTETSKAVRLAALNALADSLIFIKNNMEREGERNYLMQVVCEATQAEDIEVQAAAFGCLCKIMSKYYTFMKPYMEQALYALTIATMKSPNDKVASMTVEFWSTICEEEIDIAYELAQFPQSPLQSYNFALSSIKDVVPNLLNLLTRQNEDPEDDDWNVSMSAGACLQLFAQNCGNHILEPVLEFVEQNITADNWRNREAAVMAFGSIMDGPDKVQRTYYVHQALPSILNLMNDQSLQVKETTAWCIGRIADSVAESIDPQQHLPGVVQACLIGLQDHPKVATNCSWTIINLVEQLAEATPSPIYNFYPALVDGLIGAANRIDNEFNARASAFSALTTMVEYATDTVAETSASISTFVMDKLGQTMSVDENQLTLEDAQSLQELQSNILTVLAAVIRKSPSSVEPVADMLMGLFFRLLEKKDSAFIEDDVFYAISALAASLGKGFEKYLETFSPYLLKALNQVDSPVSITAVGFIADISNSLEEDFRRYSDAMMNVLAQMISNPNARRELKPAVLSVFGDIASNIGADFIPYLNDIMALCVAAQNTKPENGTLEALDYQIKVLEAVLDAYVGIVAGLHDKPEALFPYVGTIFQFIAQVAEDPQLYSEDATSRAAVGLIGDIAAMFPDGSIKQFYGQDWVIDYIKRTRSGQLFSQATKDTARWAREQQKRQLSL 861
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                                                                                                                                                                                               166          179                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          

   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  (2, 4)

Asymmetric Unit

(-) CATH Domains  (1, 2)

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

(-) Pfam Domains  (0, 0)

(no "Pfam Domain" information available for 3EA5)

(-) Gene Ontology  (82, 91)

Asymmetric Unit(hide GO term definitions)
Chain A,C   (RAN_HUMAN | P62826)
molecular function
    GO:0019003    GDP binding    Interacting selectively and non-covalently with GDP, guanosine 5'-diphosphate.
    GO:0005525    GTP binding    Interacting selectively and non-covalently with GTP, guanosine triphosphate.
    GO:0003924    GTPase activity    Catalysis of the reaction: GTP + H2O = GDP + phosphate.
    GO:0050681    androgen receptor binding    Interacting selectively and non-covalently with an androgen receptor.
    GO:0003682    chromatin binding    Interacting selectively and non-covalently with chromatin, the network of fibers of DNA, protein, and sometimes RNA, that make up the chromosomes of the eukaryotic nucleus during interphase.
    GO:0045505    dynein intermediate chain binding    Interacting selectively and non-covalently with an intermediate chain of the dynein complex.
    GO:0061676    importin-alpha family protein binding    Interacting selectively and non-covalently with any member of the importin-alpha family.
    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:0070883    pre-miRNA binding    Interacting selectively and non-covalently with a precursor microRNA (pre-miRNA) transcript, a stem-loop-containing precursor of microRNA.
    GO:0090631    pre-miRNA transporter activity    Enables the directed movement of pre-miRNAs between the nucleus and the cytoplasm of a cell.
    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:0032403    protein complex binding    Interacting selectively and non-covalently with any protein complex (a complex of two or more proteins that may include other nonprotein molecules).
    GO:0019904    protein domain specific binding    Interacting selectively and non-covalently with a specific domain of a protein.
    GO:0003713    transcription coactivator activity    Interacting selectively and non-covalently with a activating transcription factor and also with the basal transcription machinery in order to increase the frequency, rate or extent of transcription. Cofactors generally do not bind the template nucleic acid, but rather mediate protein-protein interactions between activating transcription factors and the basal transcription machinery.
biological process
    GO:0006259    DNA metabolic process    Any cellular metabolic process involving deoxyribonucleic acid. This is one of the two main types of nucleic acid, consisting of a long, unbranched macromolecule formed from one, or more commonly, two, strands of linked deoxyribonucleotides.
    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:0030521    androgen receptor signaling pathway    Any series of molecular signals generated as a consequence of an androgen binding to its receptor.
    GO:0007049    cell cycle    The progression of biochemical and morphological phases and events that occur in a cell during successive cell replication or nuclear replication events. Canonically, the cell cycle comprises the replication and segregation of genetic material followed by the division of the cell, but in endocycles or syncytial cells nuclear replication or nuclear division may not be followed by cell division.
    GO:0051301    cell division    The process resulting in division and partitioning of components of a cell to form more cells; may or may not be accompanied by the physical separation of a cell into distinct, individually membrane-bounded daughter cells.
    GO:0034629    cellular protein complex localization    A protein complex localization process that takes place at the cellular level; as a result, a protein complex is transported to, or maintained in, a specific location within a cell.
    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:0071389    cellular response to mineralocorticoid stimulus    Any process that results in a change in state or activity of a cell (in terms of movement, secretion, enzyme production, gene expression, etc.) as a result of a mineralocorticoid stimulus. Mineralocorticoids are hormonal C21 corticosteroids synthesized from cholesterol and characterized by their similarity to aldosterone. Mineralocorticoids act primarily on water and electrolyte balance.
    GO:0031047    gene silencing by RNA    Any process in which RNA molecules inactivate expression of target genes.
    GO:0021766    hippocampus development    The progression of the hippocampus over time from its initial formation until its mature state.
    GO:0006886    intracellular protein transport    The directed movement of proteins in a cell, including the movement of proteins between specific compartments or structures within a cell, such as organelles of a eukaryotic cell.
    GO:0075733    intracellular transport of virus    The directed movement of a virus, or part of a virus, within the host cell.
    GO:0007052    mitotic spindle organization    A process that is carried out at the cellular level which results in the assembly, arrangement of constituent parts, or disassembly of the microtubule spindle during a mitotic cell cycle.
    GO:0006913    nucleocytoplasmic transport    The directed movement of molecules between the nucleus and the cytoplasm.
    GO:0032092    positive regulation of protein binding    Any process that activates or increases the frequency, rate or extent of protein binding.
    GO:0045893    positive regulation of transcription, DNA-templated    Any process that activates or increases the frequency, rate or extent of cellular DNA-templated transcription.
    GO:0035281    pre-miRNA export from nucleus    Transport of pre-microRNAs (pre-miRNAs) from the nucleus to the cytoplasm. Pre-miRNAs are a ~60-70 nucleotide stem loop intermediate in miRNA production, produced by the nuclear cleavage of a primary miRNA (pri-mRNA) transcript. Pre-miRNAs are transported from the nucleus to the cytoplasm where further cleavage occurs to produce a mature miRNA product.
    GO:0006611    protein export from nucleus    The directed movement of a protein from the nucleus into the cytoplasm.
    GO:0006606    protein import into nucleus    The directed movement of a protein from the cytoplasm to the nucleus.
    GO:0000060    protein import into nucleus, translocation    A protein transport process that contributes to protein import into the nucleus, and that results in the vectorial transfer of a cargo-carrier protein complex through the nuclear pore complex from the cytoplasmic side to the nucleoplasmic side of the nuclear envelope.
    GO:1902570    protein localization to nucleolus    A process in which a protein is transported to, or maintained in, a location within a nucleolus.
    GO:0015031    protein transport    The directed movement of proteins into, out of or within a cell, or between cells, by means of some agent such as a transporter or pore.
    GO:0043393    regulation of protein binding    Any process that modulates the frequency, rate or extent of protein binding.
    GO:0014070    response to organic cyclic compound    Any process that results in a change in state or activity of a cell or an organism (in terms of movement, secretion, enzyme production, gene expression, etc.) as a result of an organic cyclic compound stimulus.
    GO:0000055    ribosomal large subunit export from nucleus    The directed movement of a ribosomal large subunit from the nucleus into the cytoplasm.
    GO:0000056    ribosomal small subunit export from nucleus    The directed movement of a ribosomal small subunit from the nucleus into the cytoplasm.
    GO:0007165    signal transduction    The cellular process in which a signal is conveyed to trigger a change in the activity or state of a cell. Signal transduction begins with reception of a signal (e.g. a ligand binding to a receptor or receptor activation by a stimulus such as light), or for signal transduction in the absence of ligand, signal-withdrawal or the activity of a constitutively active receptor. Signal transduction ends with regulation of a downstream cellular process, e.g. regulation of transcription or regulation of a metabolic process. Signal transduction covers signaling from receptors located on the surface of the cell and signaling via molecules located within the cell. For signaling between cells, signal transduction is restricted to events at and within the receiving cell.
    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:0007286    spermatid development    The process whose specific outcome is the progression of a spermatid over time, from its formation to the mature structure.
    GO:0006409    tRNA export from nucleus    The directed movement of tRNA from the nucleus to the cytoplasm.
    GO:0006810    transport    The directed movement of substances (such as macromolecules, small molecules, ions) or cellular components (such as complexes and organelles) into, out of or within a cell, or between cells, or within a multicellular organism by means of some agent such as a transporter, pore or motor protein.
    GO:0016032    viral process    A multi-organism process in which a virus is a participant. The other participant is the host. Includes infection of a host cell, replication of the viral genome, and assembly of progeny virus particles. In some cases the viral genetic material may integrate into the host genome and only subsequently, under particular circumstances, 'complete' its life cycle.
cellular component
    GO:0090543    Flemming body    A cell part that is the central region of the midbody characterized by a gap in alpha-tubulin staining. It is a dense structure of antiparallel microtubules from the central spindle in the middle of the intercellular bridge.
    GO:0042565    RNA nuclear export complex    A complex which usually consists of three components, e.g. in Xenopus and yeast, the export receptor CRM1 (also known as exportin 1), the Ran protein and any RNA with a nuclear export sequence (NES). The complex acts to export RNA molecules with a NES from the nucleus through a nuclear pore.
    GO:0005814    centriole    A cellular organelle, found close to the nucleus in many eukaryotic cells, consisting of a small cylinder with microtubular walls, 300-500 nm long and 150-250 nm in diameter. It contains nine short, parallel, peripheral microtubular fibrils, each fibril consisting of one complete microtubule fused to two incomplete microtubules. Cells usually have two centrioles, lying at right angles to each other. At division, each pair of centrioles generates another pair and the twin pairs form the pole of the mitotic spindle.
    GO:0000785    chromatin    The ordered and organized complex of DNA, protein, and sometimes RNA, that forms the chromosome.
    GO:0005737    cytoplasm    All of the contents of a cell excluding the plasma membrane and nucleus, but including other subcellular structures.
    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: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:0001673    male germ cell nucleus    The nucleus of a male germ cell, a reproductive cell in males.
    GO:0002177    manchette    A tubular array of microtubules that extends from the perinuclear ring surrounding the spermatid nucleus to the flagellar axoneme. The manchette may also contain F-actin filaments.
    GO:0042470    melanosome    A tissue-specific, membrane-bounded cytoplasmic organelle within which melanin pigments are synthesized and stored. Melanosomes are synthesized in melanocyte cells.
    GO:0016020    membrane    A lipid bilayer along with all the proteins and protein complexes embedded in it an attached to it.
    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:0005635    nuclear envelope    The double lipid bilayer enclosing the nucleus and separating its contents from the rest of the cytoplasm; includes the intermembrane space, a gap of width 20-40 nm (also called the perinuclear space).
    GO:0005643    nuclear pore    Any of the numerous similar discrete openings in the nuclear envelope of a eukaryotic cell, where the inner and outer nuclear membranes are joined.
    GO:0005730    nucleolus    A small, dense body one or more of which are present in the nucleus of eukaryotic cells. It is rich in RNA and protein, is not bounded by a limiting membrane, and is not seen during mitosis. Its prime function is the transcription of the nucleolar DNA into 45S ribosomal-precursor RNA, the processing of this RNA into 5.8S, 18S, and 28S components of ribosomal RNA, and the association of these components with 5S RNA and proteins synthesized outside the nucleolus. This association results in the formation of ribonucleoprotein precursors; these pass into the cytoplasm and mature into the 40S and 60S subunits of the ribosome.
    GO:0005654    nucleoplasm    That part of the nuclear content other than the chromosomes or the nucleolus.
    GO:0005634    nucleus    A membrane-bounded organelle of eukaryotic cells in which chromosomes are housed and replicated. In most cells, the nucleus contains all of the cell's chromosomes except the organellar chromosomes, and is the site of RNA synthesis and processing. In some species, or in specialized cell types, RNA metabolism or DNA replication may be absent.
    GO:0043234    protein complex    A stable macromolecular complex composed (only) of two or more polypeptide subunits along with any covalently attached molecules (such as lipid anchors or oligosaccharide) or non-protein prosthetic groups (such as nucleotides or metal ions). Prosthetic group in this context refers to a tightly bound cofactor. The component polypeptide subunits may be identical.
    GO:0055037    recycling endosome    An organelle consisting of a network of tubules that functions in targeting molecules, such as receptors transporters and lipids, to the plasma membrane.
    GO:0036126    sperm flagellum    A microtubule-based flagellum (or cilium) that is part of a sperm, a mature male germ cell that develops from a spermatid.

Chain B,D   (IMB1_YEAST | Q06142)
molecular function
    GO:0008536    Ran GTPase binding    Interacting selectively and non-covalently with Ran, a conserved Ras-like GTP-binding protein, implicated in nucleocytoplasmic transport, cell cycle progression, spindle assembly, nuclear organization and nuclear envelope (NE) assembly.
    GO:0005087    Ran guanyl-nucleotide exchange factor activity    Stimulates the exchange of guanyl nucleotides associated with a GTPase of the Ran 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:0008139    nuclear localization sequence binding    Interacting selectively and non-covalently with a nuclear localization sequence, a specific peptide sequence that acts as a signal to localize the protein within the nucleus.
    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:0008565    protein transporter activity    Enables the directed movement of proteins into, out of or within a cell, or between cells.
biological process
    GO:0006607    NLS-bearing protein import into nucleus    The directed movement of a protein bearing a nuclear localization signal (NLS) from the cytoplasm into the nucleus, across the nuclear membrane.
    GO:0006886    intracellular protein transport    The directed movement of proteins in a cell, including the movement of proteins between specific compartments or structures within a cell, such as organelles of a eukaryotic cell.
    GO:0051028    mRNA transport    The directed movement of mRNA, messenger ribonucleic acid, into, out of or within a cell, or between cells, by means of some agent such as a transporter or pore.
    GO:0051292    nuclear pore complex assembly    The aggregation, arrangement and bonding together of a set of components to form a nuclear pore complex.
    GO:0000059    obsolete protein import into nucleus, docking    OBSOLETE. A protein complex assembly process that contributes to protein import into the nucleus, and that results in the association of a cargo protein, a carrier protein such as an importin alpha/beta heterodimer, and a nucleoporin located at the periphery of the nuclear pore complex.
    GO:0006656    phosphatidylcholine biosynthetic process    The chemical reactions and pathways resulting in the formation of phosphatidylcholines, any of a class of glycerophospholipids in which the phosphatidyl group is esterified to the hydroxyl group of choline.
    GO:0043547    positive regulation of GTPase activity    Any process that activates or increases the activity of a GTPase.
    GO:0006606    protein import into nucleus    The directed movement of a protein from the cytoplasm to the nucleus.
    GO:0000060    protein import into nucleus, translocation    A protein transport process that contributes to protein import into the nucleus, and that results in the vectorial transfer of a cargo-carrier protein complex through the nuclear pore complex from the cytoplasmic side to the nucleoplasmic side of the nuclear envelope.
    GO:0006612    protein targeting to membrane    The process of directing proteins towards a membrane, usually using signals contained within the protein.
    GO:0015031    protein transport    The directed movement of proteins into, out of or within a cell, or between cells, by means of some agent such as a transporter or pore.
    GO:0060188    regulation of protein desumoylation    Any process that modulates the frequency, rate or extent of protein desumoylation. Protein desumoylation is the process in which a SUMO protein (small ubiquitin-related modifier) is cleaved from its target protein.
    GO:0006610    ribosomal protein import into nucleus    The directed movement of a ribosomal protein from the cytoplasm into the nucleus, across the nuclear membrane.
    GO:0006810    transport    The directed movement of substances (such as macromolecules, small molecules, ions) or cellular components (such as complexes and organelles) into, out of or within a cell, or between cells, or within a multicellular organism by means of some agent such as a transporter, pore or motor protein.
cellular component
    GO:0005737    cytoplasm    All of the contents of a cell excluding the plasma membrane and nucleus, but including other subcellular structures.
    GO:0000176    nuclear exosome (RNase complex)    A ribonuclease complex that has 3-prime to 5-prime processive and distributive hydrolytic exoribonuclease activity and endoribonuclease activity, producing 5-prime-phosphomonoesters. Participates in a multitude of cellular RNA processing and degradation events preventing nuclear export and/or translation of aberrant RNAs. Restricted to processing linear and circular single-stranded RNAs (ssRNA) only. RNAs with complex secondary structures may have to be unwound or pre-processed by co-factors prior to entering the complex, esp if the 3-prime end is structured.
    GO:0031965    nuclear membrane    Either of the lipid bilayers that surround the nucleus and form the nuclear envelope; excludes the intermembrane space.
    GO:0034399    nuclear periphery    The portion of the nuclear lumen proximal to the inner nuclear membrane.
    GO:0005643    nuclear pore    Any of the numerous similar discrete openings in the nuclear envelope of a eukaryotic cell, where the inner and outer nuclear membranes are joined.
    GO:0005634    nucleus    A membrane-bounded organelle of eukaryotic cells in which chromosomes are housed and replicated. In most cells, the nucleus contains all of the cell's chromosomes except the organellar chromosomes, and is the site of RNA synthesis and processing. In some species, or in specialized cell types, RNA metabolism or DNA replication may be absent.

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 Related Entries

(-) Entries Sharing at Least One Protein Chain (UniProt ID)

UniProtKB/Swiss-Prot
        IMB1_YEAST | Q061422bku 2bpt 3nd2
        RAN_HUMAN | P628261i2m 1ibr 1k5d 1k5g 1qbk 1rrp 2mmc 2mmg 2n1b 3ch5 3gj0 3gj3 3gj4 3gj5 3gj6 3gj7 3gj8 3gjx 3nby 3nbz 3nc0 3nc1 3zjy 4c0q 4gmx 4gpt 4hat 4hau 4hav 4haw 4hax 4hay 4haz 4hb0 4hb2 4hb3 4hb4 4ol0 4wvf 5ciq 5cit 5ciw 5cj2 5cll 5clq 5dh9 5dha 5dhf 5di9 5dif 5dis 5dlq 5fyq 5jlj 5uwh 5uwi 5uwj 5uwo 5uwp 5uwq 5uwr 5uws 5uwt 5uwu 5uww

(-) Related Entries Specified in the PDB File

(no "Related Entries Specified in the PDB File" available for 3EA5)