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(-) Description

Title :  PLEXIN A2 IN COMPLEX WITH SEMAPHORIN 6A
 
Authors :  B. J. C. Janssen, R. A. Robinson, C. H. Bell, C. Siebold, E. Y. Jones
Date :  25 Aug 10  (Deposition) - 13 Oct 10  (Release) - 02 Feb 11  (Revision)
Method :  X-RAY DIFFRACTION
Resolution :  2.19
Chains :  Asym. Unit :  A,B
Biol. Unit 1:  A,B  (2x)
Keywords :  Transmembrane, Ligand, Sema-Domain, Cell-Cell Signalling, Signaling Protein (Keyword Search: [Gene Ontology, PubMed, Web (Google))
 
Reference :  B. J. Janssen, R. A. Robinson, F. Perez-Branguli, C. H. Bell, K. J. Mitchell, C. Siebold, E. Y. Jones
Structural Basis Of Semaphorin-Plexin Signalling.
Nature V. 467 1118 2010
PubMed-ID: 20877282  |  Reference-DOI: 10.1038/NATURE09468

(-) Compounds

Molecule 1 - PLEXIN-A2
    ChainsA
    EngineeredYES
    Expression SystemHOMO SAPIENS
    Expression System Cell LineHEK293
    Expression System CommonHUMAN
    Expression System PlasmidPHLSEC
    Expression System Taxid9606
    FragmentRESIDUES 33-703, EXTRACELLULAR DOMAINS 1-4
    GeneKIAA0463, PLXNA2
    Organism CommonMOUSE
    Organism ScientificMUS MUSCULUS
    Organism Taxid10090
    SynonymPLEXIN-2, PLEX 2
 
Molecule 2 - PUTATIVE UNCHARACTERIZED PROTEIN
    ChainsB
    EngineeredYES
    Expression SystemHOMO SAPIENS
    Expression System Cell LineHEK293
    Expression System CommonHUMAN
    Expression System PlasmidPHLSEC
    Expression System Taxid9606
    FragmentEXTRACELLULAR DOMAINS 1-2
    GeneSEMA6A
    Organism CommonMOUSE
    Organism ScientificMUS MUSCULUS
    Organism Taxid10090

 Structural Features

(-) Chains, Units

  12
Asymmetric Unit AB
Biological Unit 1 (2x)AB

Summary Information (see also Sequences/Alignments below)

(-) Ligands, Modified Residues, Ions  (2, 13)

Asymmetric Unit (2, 13)
No.NameCountTypeFull Name
1GOL5Ligand/IonGLYCEROL
2NAG8Ligand/IonN-ACETYL-D-GLUCOSAMINE
Biological Unit 1 (2, 26)
No.NameCountTypeFull Name
1GOL10Ligand/IonGLYCEROL
2NAG16Ligand/IonN-ACETYL-D-GLUCOSAMINE

(-) Sites  (13, 13)

Asymmetric Unit (13, 13)
No.NameEvidenceResiduesDescription
01AC1SOFTWAREASN A:76BINDING SITE FOR RESIDUE NAG A 1076
02AC2SOFTWARELYS A:92 , ASN A:163BINDING SITE FOR RESIDUE NAG A 1163
03AC3SOFTWAREASN A:327 , ARG B:55 , ASP B:115 , LYS B:170BINDING SITE FOR RESIDUE NAG A 1327
04AC4SOFTWAREASN A:598BINDING SITE FOR RESIDUE NAG A 1598
05AC5SOFTWAREHIS A:291 , SER A:292 , TYR A:293 , VAL A:294 , LEU A:371 , GLY A:406 , ASN A:410 , GLN A:411 , LEU A:413 , HOH A:2015 , HOH A:3014BINDING SITE FOR RESIDUE GOL A 2001
06AC6SOFTWARETYR A:443 , GLY A:524BINDING SITE FOR RESIDUE GOL A 2003
07AC7SOFTWAREARG A:57 , ILE A:119 , ASP A:120 , TYR A:121 , SER A:122 , ILE A:172 , ARG A:174BINDING SITE FOR RESIDUE GOL A 2006
08AC8SOFTWAREASN B:65 , ASP B:129BINDING SITE FOR RESIDUE NAG B 1065
09AC9SOFTWAREARG B:280 , ASN B:282 , SER B:284 , HIS B:290 , TYR B:292 , ASN B:407 , NAG B:1283 , HOH B:3197 , HOH B:3202 , HOH B:3208 , HOH B:3264 , HOH B:3343BINDING SITE FOR RESIDUE NAG B 1282
10BC1SOFTWAREPRO B:286 , HIS B:290 , NAG B:1282 , HOH B:3264BINDING SITE FOR RESIDUE NAG B 1283
11BC2SOFTWARETYR B:432 , ASN B:434BINDING SITE FOR RESIDUE NAG B 1434
12BC3SOFTWAREMET B:60 , VAL B:123 , LEU B:124 , ASN B:173 , ILE B:174 , ALA B:175BINDING SITE FOR RESIDUE GOL B 2002
13BC4SOFTWARETHR B:300 , ASP B:301 , ALA B:424 , VAL B:425 , HOH B:3301BINDING SITE FOR RESIDUE GOL B 2004

(-) SS Bonds  (18, 18)

Asymmetric Unit
No.Residues
1A:94 -A:103
2A:129 -A:137
3A:284 -A:405
4A:300 -A:356
5A:374 -A:393
6A:511 -A:528
7A:517 -A:559
8A:520 -A:537
9A:531 -A:543
10A:594 -A:613
11B:107 -B:117
12B:135 -B:144
13B:258 -B:369
14B:283 -B:328
15B:477 -B:506
16B:515 -B:533
17B:521 -B:568
18B:525 -B:542

(-) Cis Peptide Bonds  (8, 8)

Asymmetric Unit
No.Residues
1Gly A:86 -Pro A:87
2Tyr A:95 -Pro A:96
3Gln A:411 -Pro A:412
4Pro A:463 -Pro A:464
5Gly A:466 -Gly A:467
6His A:565 -Pro A:566
7Lys B:363 -Pro B:364
8Gly B:566 -Asp B:567

 Sequence-Structure Mapping

(-) SAPs(SNPs)/Variants  (0, 0)

(no "SAP(SNP)/Variant" information available for 3OKY)

(-) PROSITE Motifs  (1, 1)

Asymmetric Unit (1, 1)
 PROSITEUniProtKBPDB
No.IDACDescriptionIDLocationCountLocation
1SEMAPS51004 Sema domain profile.SEM6A_MOUSE24-512  1B:24-512
Biological Unit 1 (1, 2)
 PROSITEUniProtKBPDB
No.IDACDescriptionIDLocationCountLocation
1SEMAPS51004 Sema domain profile.SEM6A_MOUSE24-512  2B:24-512

(-) Exons   (0, 0)

(no "Exon" information available for 3OKY)

(-) 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:609
 aligned with PLXA2_MOUSE | P70207 from UniProtKB/Swiss-Prot  Length:1894

    Alignment length:621
                                    46        56        66        76        86        96       106       116       126       136       146       156       166       176       186       196       206       216       226       236       246       256       266       276       286       296       306       316       326       336       346       356       366       376       386       396       406       416       426       436       446       456       466       476       486       496       506       516       526       536       546       556       566       576       586       596       606       616       626       636       646       656 
          PLXA2_MOUSE    37 QYSTFHSENRDWTFNHLTVHRRTGAVYVGAINRVYKLTGNLTIQVAHKTGPEEDNKACYPPLIVQPCSEVLTLTNNVNKLLIIDYSENRLLACGSLYQGVCKLLRLDDLFILVEPSHKKEHYLSSVNKTGTMYGVIVRSEGEDGKLFIGTAVDGKQDYFPTLSSRKLPRDPESSAMLDYELHSDFVSSLIKIPSDTLALVSHFDIFYIYGFASGGFVYFLTVQPETPDGMAINSAGDLFYTSRIVRLCKDDPKFHSYVSLPFGCTRAGVEYRLLQAAYLAKPGEALAQAFNISSDEDVLFAIFSKGQKQYHHPPDDSALCAFPIRAINLQIKERLQSCYHGEGNLELNWLLGKDVQCTKAPVPIDDNFCGLDINQPLGGSTPVEGLTLYTTSRDRLTSVASYVYNGYSVVFVGTKSGKLKKIRADGPPHGGVQYEMVSVFKDGSPILRDMAFSINQLYLYVMSERQVTRVPVESCEQYTTCGECLSSGDPHCGWCALHNMCSRRDKCQRAWEANRFAASISQCMSLEVHPNSISVSDHSRLLSLVVNDAPNLSEGIACAFGNLTEVEGQVSGSQVICISPGPKDVPVIPLDQDWFGLELQLRSKETGKIFVSTEFKFYNCS 657
               SCOP domains --------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- SCOP domains
               CATH domains --------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- CATH domains
               Pfam domains -------------Sema-3okyA02 A:50-491                                                                                                                                                                                                                                                                                                                                                                                                                                     ------------------PSI-3okyA01 A:510-560                              -----------------------------------------------------------------  ------------------------------ Pfam domains
         Sec.struct. author ...eee.......eeeeee......eeeee..eeeee.....eeeeee...eee.................eee.....eeeeehhh.eeeee.......eeeee.....eee....hhhhh.........eeeeee.......eeeeee...........eeeee......................ee..hhhhhhhh.....eeeeeeee..eeeeeeeee...----------..eeeeeeeee.........eeeeeeeee..eeeeeeeeeeee..hhhhhhhhh......eeeeeeee...........eeeeeeehhhhhhhhhhhhhhhhh......hhhhhh..............................ee.eeeeee........eeeee..eeeeeee....eeeeee........eeeeeee............ee.....eeeee...eeeeee..hhhhh.hhhhhh.......eee....eeehhhhh........ee.hhhhh.eeeee..eee......eeeeeee........eeeee...eeee.eee..eeeee...........--..eeeeeeeeee.....eeeeeeeeee... Sec.struct. author
                 SAPs(SNPs) --------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- SAPs(SNPs)
                    PROSITE --------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- PROSITE
                 Transcript --------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- Transcript
                 3oky A  37 QYSTFHSENRDWTFNHLTVHRRTGAVYVGAINRVYKLTGNLTIQVAHKTGPEEDNKACYPPLIVQPCSEVLTLTNNVNKLLIIDYSENRLLACGSLYQGVCKLLRLDDLFILVEPSHKKEHYLSSVNKTGTMYGVIVRSEGEDGKLFIGTAVDGKQDYFPTLSSRKLPRDPESSAMLDYELHSDFVSSLIKIPSDTLALVSHFDIFYIYGFASGGFVYFLTVQPETP----------LFYTSRIVRLCKDDPKFHSYVSLPFGCTRAGVEYRLLQAAYLAKPGEALAQAFNISSDEDVLFAIFSKGQKQYHHPPDDSALCAFPIRAINLQIKERLQSCYHGEGNLELNWLLGKDVQCTKAPVPIDDNFCGLDINQPLGGSTPVEGLTLYTTSRDRLTSVASYVYNGYSVVFVGTKSGKLKKIRADGPPHGGVQYEMVSVFKDGSPILRDMAFSINQLYLYVMSERQVTRVPVESCEQYTTCGECLSSGDPHCGWCALHNMCSRRDKCQRAWEANRFAASISQCMSLEVHPNSISVSDHSRLLSLVVNDAPNLSEGIACAFGNLTEVEGQVSGSQVICISPGPKDVPVIP--QDWFGLELQLRSKETGKIFVSTEFKFYNCS 657
                                    46        56        66        76        86        96       106       116       126       136       146       156       166       176       186       196       206       216       226       236       246       256      |  -       276       286       296       306       316       326       336       346       356       366       376       386       396       406       416       426       436       446       456       466       476       486       496       506       516       526       536       546       556       566       576       586       596       606       616        |- |     636       646       656 
                                                                                                                                                                                                                                                            263        274                                                                                                                                                                                                                                                                                                                                                            625  |                             
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                         628                             

Chain B from PDB  Type:PROTEIN  Length:540
 aligned with Q8BUT0_MOUSE | Q8BUT0 from UniProtKB/TrEMBL  Length:587

    Alignment length:549
                                    29        39        49        59        69        79        89        99       109       119       129       139       149       159       169       179       189       199       209       219       229       239       249       259       269       279       289       299       309       319       329       339       349       359       369       379       389       399       409       419       429       439       449       459       469       479       489       499       509       519       529       539       549       559         
         Q8BUT0_MOUSE    20 FPEDSEPISISHGNYTKQYPVFVGHKPGRNTTQRHRLDIQMIMIMNRTLYVAARDHIYTVDIDTSHTEEIYCSKKLTWKSRQADVDTCRMKGKHKDECHNFIKVLLKKNDDTLFVCGTNAFNPSCRNYRVDTLETFGDEFSGMARCPYDAKHANIALFADGKLYSATVTDFLAIDAVIYRSLGDSPTLRTVKHDSKWLKEPYFVQAVDYGDYIYFFFREIAVEYNTMGKVVFPRVAQVCKNDMGGSQRVLEKQWTSFLKARLNCSVPGDSHFYFNILQAVTDVIRINGRDVVLATFSTPYNSIPGSAVCAYDMLDIANVFTGRFKEQKSPDSTWTPVPDERVPKPRPGCCAGSSSLEKYATSNEFPDDTLNFIKTHPLMDEAVPSIINRPWFLRTMVRYRLTKIAVDNAAGPYQNHTVVFLGSEKGIILKFLARIGSSGFLNGSLFLEEMNVYNPEKCSYDGVEDKRIMGMQLDRASGSLYVAFSTCVIKVPLGRCERHGKCKKTCIASRDPYCGWVRESGSCAHLSPLSRLTFEQDIERGNTDGLGDC 568
               SCOP domains --------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- SCOP domains
               CATH domains --------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- CATH domains
               Pfam domains -----------------------------  -----Sema-3okyB02 B:56-491                                                                                                                                                                                                                                                                                                                                                                                                                               ----------------------PSI-3okyB01 B:514-568                                   Pfam domains
         Sec.struct. author ........eeehhhhhh...ee.......--.........eeeee..eeeee...eeeeee.hhh...ee...eeee...hhhhhhhhhhh..........eeeeeeee..eeeeee......eeeeee..........ee.............eeeee..eeeeeee.......eeeeee......ee............eeeeeeee..eeeeeeeee.hhhh.....eeeeeeeee..................eeee...ee.....ee..eeeee...eee..eeeeeeeee........eeeeeeehhhhhhhh....eee......eee.hhhhh..................hhhhhhhhhhhhhhhh........hhhhh..eee......eeeeeeeeee.....eeeeeeee...eeeeeee..-----....eeeeeee..hhhhhh..........eeeeehhh.eeeee....eeeee...hhhhh.hhhhhhhh....eeee....eeee........ee.........--... Sec.struct. author
                 SAPs(SNPs) --------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- SAPs(SNPs)
                    PROSITE --------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- PROSITE
                 Transcript --------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- Transcript
                 3oky B  20 FPEDSEPISISHGNYTKQYPVFVGHKPGR--TQRHRLDIQMIMIMNRTLYVAARDHIYTVDIDTSHTEEIYCSKKLTWKSRQADVDTCRMKGKHKDECHNFIKVLLKKNDDTLFVCGTNAFNPSCRNYRVDTLETFGDEFSGMARCPYDAKHANIALFADGKLYSATVTDFLAIDAVIYRSLGDSPTLRTVKHDSKWLKEPYFVQAVDYGDYIYFFFREIAVEYNTMGKVVFPRVAQVCKNDMGGSQRVLEKQWTSFLKARLNCSVPGDSHFYFNILQAVTDVIRINGRDVVLATFSTPYNSIPGSAVCAYDMLDIANVFTGRFKEQKSPDSTWTPVPDERVPKPRPGCCAGSSSLEKYATSNEFPDDTLNFIKTHPLMDEAVPSIINRPWFLRTMVRYRLTKIAVDNAAGPYQNHTVVFLGSEKGIILKFLARI-----LNGSLFLEEMNVYNPEKCSYDGVEDKRIMGMQLDRASGSLYVAFSTCVIKVPLGRCERHGKCKKTCIASRDPYCGWVRESGSCAHLSPLSRLTFEQDIERGNTD--GDC 568
                                    29        39        |- |      59        69        79        89        99       109       119       129       139       149       159       169       179       189       199       209       219       229       239       249       259       269       279       289       299       309       319       329       339       349       359       369       379       389       399       409       419       429       439       449    |    -|      469       479       489       499       509       519       529       539       549       559   |  |  
                                                       48 51                                                                                                                                                                                                                                                                                                                                                                                                                454   460                                                                                                    563  |  
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            566  

Chain B from PDB  Type:PROTEIN  Length:540
 aligned with SEM6A_MOUSE | O35464 from UniProtKB/Swiss-Prot  Length:1031

    Alignment length:549
                                    29        39        49        59        69        79        89        99       109       119       129       139       149       159       169       179       189       199       209       219       229       239       249       259       269       279       289       299       309       319       329       339       349       359       369       379       389       399       409       419       429       439       449       459       469       479       489       499       509       519       529       539       549       559         
          SEM6A_MOUSE    20 FPEDSEPISISHGNYTKQYPVFVGHKPGRNTTQRHRLDIQMIMIMNRTLYVAARDHIYTVDIDTSHTEEIYCSKKLTWKSRQADVDTCRMKGKHKDECHNFIKVLLKKNDDTLFVCGTNAFNPSCRNYRVDTLETFGDEFSGMARCPYDAKHANIALFADGKLYSATVTDFLAIDAVIYRSLGDSPTLRTVKHDSKWLKEPYFVQAVDYGDYIYFFFREIAVEYNTMGKVVFPRVAQVCKNDMGGSQRVLEKQWTSFLKARLNCSVPGDSHFYFNILQAVTDVIRINGRDVVLATFSTPYNSIPGSAVCAYDMLDIANVFTGRFKEQKSPDSTWTPVPDERVPKPRPGCCAGSSSLEKYATSNEFPDDTLNFIKTHPLMDEAVPSIINRPWFLRTMVRYRLTKIAVDNAAGPYQNHTVVFLGSEKGIILKFLARIGSSGFLNGSLFLEEMNVYNPEKCSYDGVEDKRIMGMQLDRASGSLYVAFSTCVIKVPLGRCERHGKCKKTCIASRDPYCGWVRESGSCAHLSPLSRLTFEQDIERGNTDGLGDC 568
               SCOP domains --------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- SCOP domains
               CATH domains --------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- CATH domains
               Pfam domains -----------------------------  -----Sema-3okyB02 B:56-491                                                                                                                                                                                                                                                                                                                                                                                                                               ----------------------PSI-3okyB01 B:514-568                                   Pfam domains
         Sec.struct. author ........eeehhhhhh...ee.......--.........eeeee..eeeee...eeeeee.hhh...ee...eeee...hhhhhhhhhhh..........eeeeeeee..eeeeee......eeeeee..........ee.............eeeee..eeeeeee.......eeeeee......ee............eeeeeeee..eeeeeeeee.hhhh.....eeeeeeeee..................eeee...ee.....ee..eeeee...eee..eeeeeeeee........eeeeeeehhhhhhhh....eee......eee.hhhhh..................hhhhhhhhhhhhhhhh........hhhhh..eee......eeeeeeeeee.....eeeeeeee...eeeeeee..-----....eeeeeee..hhhhhh..........eeeeehhh.eeeee....eeeee...hhhhh.hhhhhhhh....eeee....eeee........ee.........--... Sec.struct. author
                 SAPs(SNPs) --------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- SAPs(SNPs)
                    PROSITE ----SEMA  PDB: B:24-512 UniProt: 24-512                                                                                                                                                                                                                                                                                                                                                                                                                                                                      -------------------------------------------------------- PROSITE
                 Transcript --------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- Transcript
                 3oky B  20 FPEDSEPISISHGNYTKQYPVFVGHKPGR--TQRHRLDIQMIMIMNRTLYVAARDHIYTVDIDTSHTEEIYCSKKLTWKSRQADVDTCRMKGKHKDECHNFIKVLLKKNDDTLFVCGTNAFNPSCRNYRVDTLETFGDEFSGMARCPYDAKHANIALFADGKLYSATVTDFLAIDAVIYRSLGDSPTLRTVKHDSKWLKEPYFVQAVDYGDYIYFFFREIAVEYNTMGKVVFPRVAQVCKNDMGGSQRVLEKQWTSFLKARLNCSVPGDSHFYFNILQAVTDVIRINGRDVVLATFSTPYNSIPGSAVCAYDMLDIANVFTGRFKEQKSPDSTWTPVPDERVPKPRPGCCAGSSSLEKYATSNEFPDDTLNFIKTHPLMDEAVPSIINRPWFLRTMVRYRLTKIAVDNAAGPYQNHTVVFLGSEKGIILKFLARI-----LNGSLFLEEMNVYNPEKCSYDGVEDKRIMGMQLDRASGSLYVAFSTCVIKVPLGRCERHGKCKKTCIASRDPYCGWVRESGSCAHLSPLSRLTFEQDIERGNTD--GDC 568
                                    29        39        |- |      59        69        79        89        99       109       119       129       139       149       159       169       179       189       199       209       219       229       239       249       259       269       279       289       299       309       319       329       339       349       359       369       379       389       399       409       419       429       439       449    |    -|      469       479       489       499       509       519       529       539       549       559   |  |  
                                                       48 51                                                                                                                                                                                                                                                                                                                                                                                                                454   460                                                                                                    563  |  
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            566  

   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  (0, 0)

(no "SCOP Domain" information available for 3OKY)

(-) CATH Domains  (0, 0)

(no "CATH Domain" information available for 3OKY)

(-) Pfam Domains  (2, 4)

Asymmetric Unit
(-)
Family: PSI (9)
1aPSI-3okyA01A:510-560
1bPSI-3okyB01B:514-568

(-) Gene Ontology  (34, 43)

Asymmetric Unit(hide GO term definitions)
Chain A   (PLXA2_MOUSE | P70207)
molecular function
    GO:0017154    semaphorin receptor activity    Combining with a semaphorin, and transmitting the signal from one side of the membrane to the other to initiate a change in cell activity.
biological process
    GO:0021785    branchiomotor neuron axon guidance    The process in which a branchiomotor neuron growth cone is directed to a specific target site. Branchiomotor neurons are located in the hindbrain and innervate branchial arch-derived muscles that control jaw movements, facial expression, the larynx, and the pharynx.
    GO:0007166    cell surface receptor signaling pathway    A series of molecular signals initiated by activation of a receptor on the surface of a cell. The pathway begins with binding of an extracellular ligand to a cell surface receptor, or for receptors that signal in the absence of a ligand, by ligand-withdrawal or the activity of a constitutively active receptor. The pathway ends with regulation of a downstream cellular process, e.g. transcription.
    GO:0051642    centrosome localization    Any process in which a centrosome is transported to, and/or maintained in, a specific location within the cell.
    GO:0021935    cerebellar granule cell precursor tangential migration    The early migration of granule cell precursors in which cells move orthogonal to the direction of radial migration and ultimately cover the superficial zone of the cerebellar primordium.
    GO:0060174    limb bud formation    The process pertaining to the initial formation of a limb bud from unspecified parts. This process begins with the formation of a local condensation of mesenchyme cells within the prospective limb field, and ends when a limb bud is recognizable.
    GO:0021915    neural tube development    The process whose specific outcome is the progression of the neural tube over time, from its formation to the mature structure. The mature structure of the neural tube exists when the tube has been segmented into the forebrain, midbrain, hindbrain and spinal cord regions. In addition neural crest has budded away from the epithelium.
    GO:0060037    pharyngeal system development    The process whose specific outcome is the progression of the pharyngeal system over time, from its formation to the mature structure. The pharyngeal system is a transient embryonic complex that is specific to vertebrates. It comprises the pharyngeal arches, bulges of tissues of mesoderm and neural crest derivation through which pass nerves and pharyngeal arch arteries. The arches are separated internally by pharyngeal pouches, evaginations of foregut endoderm, and externally by pharyngeal clefts, invaginations of surface ectoderm. The development of the system ends when the stucture it contributes to are forming: the thymus, thyroid, parathyroids, maxilla, mandible, aortic arch, cardiac outflow tract, external and middle ear.
    GO:0048841    regulation of axon extension involved in axon guidance    Any process that modulates the frequency, rate or extent of axon extension involved in axon guidance.
    GO:0030334    regulation of cell migration    Any process that modulates the frequency, rate or extent of cell migration.
    GO:0071526    semaphorin-plexin signaling pathway    A series of molecular signals generated as a consequence of a semaphorin receptor (composed of a plexin and a neurophilin) binding to a semaphorin ligand.
    GO:1902287    semaphorin-plexin signaling pathway involved in axon guidance    Any semaphorin-plexin signaling pathway that is involved in axon guidance.
    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:0001756    somitogenesis    The formation of mesodermal clusters that are arranged segmentally along the anterior posterior axis of an embryo.
cellular component
    GO:0016021    integral component of membrane    The component of a membrane consisting of the gene products and protein complexes having at least some part of their peptide sequence embedded in the hydrophobic region of the membrane.
    GO:0005887    integral component of plasma membrane    The component of the plasma membrane consisting of the gene products and protein complexes having at least some part of their peptide sequence embedded in the hydrophobic region of the membrane.
    GO:0016020    membrane    A lipid bilayer along with all the proteins and protein complexes embedded in it an attached to it.
    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:0002116    semaphorin receptor complex    A stable binary complex of a neurophilin and a plexin, together forming a functional semaphorin receptor.

Chain B   (Q8BUT0_MOUSE | Q8BUT0)
cellular component
    GO:0016021    integral component of membrane    The component of a membrane consisting of the gene products and protein complexes having at least some part of their peptide sequence embedded in the hydrophobic region of the membrane.
    GO:0016020    membrane    A lipid bilayer along with all the proteins and protein complexes embedded in it an attached to it.

Chain B   (SEM6A_MOUSE | O35464)
molecular function
    GO:0045499    chemorepellent activity    Providing the environmental signal that initiates the directed movement of a motile cell or organism towards a lower concentration of that signal.
    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:0030215    semaphorin receptor binding    Interacting selectively and non-covalently with semaphorin receptors.
    GO:0004888    transmembrane signaling receptor activity    Combining with an extracellular or intracellular signal and transmitting the signal from one side of the membrane to the other to initiate a change in cell activity or state as part of signal transduction.
biological process
    GO:0006915    apoptotic process    A programmed cell death process which begins when a cell receives an internal (e.g. DNA damage) or external signal (e.g. an extracellular death ligand), and proceeds through a series of biochemical events (signaling pathway phase) which trigger an execution phase. The execution phase is the last step of an apoptotic process, and is typically characterized by rounding-up of the cell, retraction of pseudopodes, reduction of cellular volume (pyknosis), chromatin condensation, nuclear fragmentation (karyorrhexis), plasma membrane blebbing and fragmentation of the cell into apoptotic bodies. When the execution phase is completed, the cell has died.
    GO:0007411    axon guidance    The chemotaxis process that directs the migration of an axon growth cone to a specific target site in response to a combination of attractive and repulsive cues.
    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:0007166    cell surface receptor signaling pathway    A series of molecular signals initiated by activation of a receptor on the surface of a cell. The pathway begins with binding of an extracellular ligand to a cell surface receptor, or for receptors that signal in the absence of a ligand, by ligand-withdrawal or the activity of a constitutively active receptor. The pathway ends with regulation of a downstream cellular process, e.g. transcription.
    GO:0051642    centrosome localization    Any process in which a centrosome is transported to, and/or maintained in, a specific location within the cell.
    GO:0007275    multicellular organism development    The biological process whose specific outcome is the progression of a multicellular organism over time from an initial condition (e.g. a zygote or a young adult) to a later condition (e.g. a multicellular animal or an aged adult).
    GO:0050919    negative chemotaxis    The directed movement of a motile cell or organism towards a lower concentration of a chemical.
    GO:0048843    negative regulation of axon extension involved in axon guidance    Any process that stops, prevents, or reduces the frequency, rate or extent of axon extension involved in axon guidance.
    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:0001755    neural crest cell migration    The characteristic movement of cells from the dorsal ridge of the neural tube to a variety of locations in a vertebrate embryo.
    GO:0001764    neuron migration    The characteristic movement of an immature neuron from germinal zones to specific positions where they will reside as they mature.
    GO:2001224    positive regulation of neuron migration    Any process that activates or increases the frequency, rate or extent of neuron migration.
    GO:0071526    semaphorin-plexin signaling pathway    A series of molecular signals generated as a consequence of a semaphorin receptor (composed of a plexin and a neurophilin) binding to a semaphorin ligand.
cellular component
    GO:0030424    axon    The long process of a neuron that conducts nerve impulses, usually away from the cell body to the terminals and varicosities, which are sites of storage and release of neurotransmitter.
    GO:0016021    integral component of membrane    The component of a membrane consisting of the gene products and protein complexes having at least some part of their peptide sequence embedded in the hydrophobic region of the membrane.
    GO:0005887    integral component of plasma membrane    The component of the plasma membrane consisting of the gene products and protein complexes having at least some part of their peptide sequence embedded in the hydrophobic region of the membrane.
    GO:0016020    membrane    A lipid bilayer along with all the proteins and protein complexes embedded in it an attached to it.
    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.

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 Related Entries

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

UniProtKB/Swiss-Prot
        PLXA2_MOUSE | P702073al8 3al9 3okt 4gza 5l5g 5l74
        SEM6A_MOUSE | O354643afc 3al8 3okw

(-) Related Entries Specified in the PDB File

3okt 3okw