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(-) Description

Title :  CRYSTAL STRUCTURE OF THE PROTHROMBINASE COMPLEX FROM THE VENOM OF PSEUDONAJA TEXTILIS
 
Authors :  B. C. Lechtenberg, T. A. Murray-Rust, D. J. D. Johnson, T. E. Adams, S. Krishnaswamy, R. M. Camire, J. A. Huntington
Date :  15 Jul 13  (Deposition) - 31 Jul 13  (Release) - 30 Oct 13  (Revision)
Method :  X-RAY DIFFRACTION
Resolution :  3.32
Chains :  Asym./Biol. Unit :  A,V
Keywords :  Blood Clotting, Blood Coagulation, Prothrombinase, Hydrolase (Keyword Search: [Gene Ontology, PubMed, Web (Google)] )
 
Reference :  B. C. Lechtenberg, T. A. Murray-Rust, D. J. Johnson, T. E. Adams, S. Krishnaswamy, R. M. Camire, J. A. Huntington
Crystal Structure Of The Prothrombinase Complex From The Venom Of Pseudonaja Textilis.
Blood V. 122 2777 2013
PubMed-ID: 23869089  |  Reference-DOI: 10.1182/BLOOD-2013-06-511733

(-) Compounds

Molecule 1 - FACTOR X-LIKE PROTEASE
    Chains: A
    Engineered: YES
    Expression System: ESCHERICHIA COLI
    Expression System Strain: BL21(DE3)
    Expression System Taxid: 469008
    Expression System Variant: STAR
    Expression System Vector: PET23
    Expression System Vector Type: PLASMID
    Fragment: EGF2-CATALYTIC DOMAIN CONSTRUCT
    Organ: VENOM GLAND
    Organism Common: AUSTRALIAN EASTERN BROWN SNAKE
    Organism Scientific: PSEUDONAJA TEXTILIS
    Organism Taxid: 8673
    Other Details: PSEUTARIN C CATALYTIC SUBUNIT
    Synonym: FACTOR X
 
Molecule 2 - VENOM PROTHROMBIN ACTIVATOR PSEUTARIN-C NON-CATALYTIC SUBUNIT
    Chains: V
    Engineered: YES
    Expression System: CRICETULUS GRISEUS
    Expression System Cell Line: BHK-M
    Expression System Common: CHINESE HAMSTER
    Expression System Plasmid: PED
    Expression System Taxid: 10029
    Expression System Vector Type: PLASMID
    Organ: VENOM GLAND
    Organism Common: AUSTRALIAN EASTERN BROWN SNAKE
    Organism Scientific: PSEUDONAJA TEXTILIS
    Organism Taxid: 8673
    Synonym: FACTOR V, PCNS, VPA, VENOM COAGULATION FACTOR VA-LIKE PROTEIN, PSEUTARIN-C NON-CATALYTIC SUBUNIT HEAVY CHAIN, PSEUTARIN-C NON-CATALYTIC SUBUNIT LIGHT CHAIN

 Structural Features

(-) Chains, Units

  12
Asymmetric/Biological Unit : AV

Summary Information (see also Sequences/Alignments below)

(-) Ligands, Modified Residues, Ions  (6, 18)

Asymmetric/Biological Unit (6, 18)
No.NameCountTypeFull Name
1BMA1Ligand/IonBETA-D-MANNOSE
2CA2Ligand/IonCALCIUM ION
3CU1Ligand/IonCOPPER (II) ION
4FUC1Ligand/IonALPHA-L-FUCOSE
5MAN5Ligand/IonALPHA-D-MANNOSE
6NAG8Ligand/IonN-ACETYL-D-GLUCOSAMINE

(-) Sites  (8, 8)

Asymmetric Unit (8, 8)
No.NameEvidenceResiduesDescription
1AC1SOFTWARELYS V:94 , GLU V:109 , ASP V:112 , ASP V:113BINDING SITE FOR RESIDUE CA V2430
2AC2SOFTWARELYS V:890 , PHE V:905 , ASP V:908 , ASP V:909 , HOH V:2080BINDING SITE FOR RESIDUE CA V2431
3AC3SOFTWAREHIS V:148 , HIS V:1055 , GLU V:1095 , GLU V:1097BINDING SITE FOR RESIDUE CU V2432
4AC4SOFTWAREASN V:126BINDING SITE FOR POLY-SACCHARIDE RESIDUES NAG V1515 THROUGH NAG V1516 BOUND TO ASN V 126
5AC5SOFTWAREASP V:192 , SER V:202 , LEU V:203 , GLN V:204 , TYR V:205 , ALA V:211 , ASN V:212 , SER V:236 , LYS V:287 , GLN V:290 , ALA V:291 , ASP V:592 , HOH V:2037 , HOH V:2069BINDING SITE FOR POLY-SACCHARIDE RESIDUES MAN V1501 THROUGH MAN V1514 BOUND TO ASN V 212
6AC6SOFTWAREASN V:376BINDING SITE FOR POLY-SACCHARIDE RESIDUES NAG V1432 THROUGH FUC V1433 BOUND TO ASN V 376
7AC7SOFTWAREASN V:914 , HOH V:2104BINDING SITE FOR POLY-SACCHARIDE RESIDUES NAG V1519 THROUGH NAG V1520 BOUND TO ASN V 914
8AC8SOFTWAREASN V:1150BINDING SITE FOR MONO-SACCHARIDE NAG V1521 BOUND TO ASN V1150

(-) SS Bonds  (14, 14)

Asymmetric/Biological Unit
No.Residues
1A:89 -A:100
2A:96 -A:109
3A:111 -A:124
4A:132 -A:285
5A:176 -A:181
6A:196 -A:212
7A:333 -A:347
8V:140 -V:166
9V:221 -V:302
10V:473 -V:499
11V:642 -V:1002
12V:936 -V:962
13V:1117 -V:1268
14V:1273 -V:1427

(-) Cis Peptide Bonds  (1, 1)

Asymmetric/Biological Unit
No.Residues
1Asp V:659 -Glu V:660

 Sequence-Structure Mapping

(-) SAPs(SNPs)/Variants  (0, 0)

(no "SAP(SNP)/Variant" information available for 4BXS)

(-) PROSITE Motifs  (4, 8)

Asymmetric/Biological Unit (4, 8)
 PROSITEUniProtKBPDB
No.IDACDescriptionIDLocationCountLocation
1MULTICOPPER_OXIDASE1PS00079 Multicopper oxidases signature 1.FA5V_PSETE307-327
662-682
1120-1140		  3V:277-297
V:632-652
V:1090-1110
2FA58C_3PS50022 Coagulation factors 5/8 type C domain (FA58C) profile.FA5V_PSETE1147-1298
1303-1457		  2V:1117-1268
V:1273-1427
3FA58C_1PS01285 Coagulation factors 5/8 type C domain (FA58C) signature 1.FA5V_PSETE1187-1217
1347-1376		  2V:1157-1187
V:1317-1346
4FA58C_2PS01286 Coagulation factors 5/8 type C domain (FA58C) signature 2.FA5V_PSETE1441-1457  1V:1411-1427

(-) Exons   (0, 0)

(no "Exon" information available for 4BXS)

(-) Sequences/Alignments

Asymmetric/Biological 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:248
 aligned with Q6IT10_PSETT | Q6IT10 from UniProtKB/TrEMBL  Length:463

    Alignment length:326
                                   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      
        Q6IT10_PSETT    127 KSCRVDNGNCWHFCKHVQNDIQCSCAEGYLLGEDGHSCVAGGNFSCGRNIKTRNKREANLPDFVQSQNATLLKKSDNPSPDIRIVNGMDCKLGECPWQAALVDEKEGVFCGGTILSPIYVLTAAHCINETETISVVVGEIDKSRIETGPLLSVDKIYVHKKFVPPQKAYKFDLAAYDYDIAIIQMKTPIQFSENVVPACLPTADFANQVLMKQDFGIVSGFGRIVEKGPKSKTLKVLKVPYVDRHTCMVSSETPITPNMFCAGYDTLPRDACQGDSGGPHTTVYRDTHFITGIVSSGEGCARNGKYGNYTKLSKFIPWIKRIMRQK  452
               SCOP domains -------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- SCOP domains
               CATH domains -------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- CATH domains
               Pfam domains -------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- Pfam domains
         Sec.struct. author ............................ee........ee...........------------------------------------..........eeeeee...eeeeeeee....eeeehhhhh.......---.....--------..eeeeeee....hhhhhhhh.........eeeee......----......hhhhhhhh.....eeee...--------........eee..hhhhhhh.........eeee------------....eeeeee..eeeeeee....-------..eeee.hhhhhhhhhhhhh.. Sec.struct. author
                 SAPs(SNPs) -------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- SAPs(SNPs)
                    PROSITE -------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- PROSITE
                 Transcript -------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- Transcript
                4bxs A   87 KSCRVDNGNCWHFCKHVQNDIQCSCAEGYLLGEDGHSCVAGGNFSCGRNIK------------------------------------MDCKLGECPWQAALVDEKEGVFCGGTILSPIYVLTAAHCINETETIS---GEIDK--------LSVDKIYVHKKFVPPQKAYKFDLAAYDYDIAIIQMKTPIQF----VPACLPTADFANQVLMKQDFGIVSGF--------KSKTLKVLKVPYVDRHTCMVSSETPITPNMFCA------------DSGGPHTTVYRDTHFITGIVSSG-------KYGNYTKLSKFIPWIKRIMRQK  412
                                    96       106       116       126       136|        -         -         -       176       186       196       206       216   |   226 |       -|      246       256       266       276|    | 286       296       306|      316       326       336       346 |       -    |  366       376      |  -    |  396       406      
                                                                            137                                  174                                           220 224 228      237                                     277  282                      307      316                             348          361                   383     391                     


Chain V from PDB  Type:PROTEIN  Length:1262
 aligned with FA5V_PSETE | Q7SZN0 from UniProtKB/Swiss-Prot  Length:1460

    Alignment length:1429
                                    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       870       880       890       900       910       920       930       940       950       960       970       980       990      1000      1010      1020      1030      1040      1050      1060      1070      1080      1090      1100      1110      1120      1130      1140      1150      1160      1170      1180      1190      1200      1210      1220      1230      1240      1250      1260      1270      1280      1290      1300      1310      1320      1330      1340      1350      1360      1370      1380      1390      1400      1410      1420      1430      1440      1450         
          FA5V_PSETE     31 AQLREYHIAAQLEDWDYNPQPEELSRLSESDLTFKKIVYREYELDFKQEEPRDALSGLLGPTLRGEVGDSLIIYFKNFATQPVSIHPQSAVYNKWSEGSSYSDGTSDVERLDDAVPPGQSFKYVWNITAEIGPKKADPPCLTYAYYSHVNMVRDFNSGLIGALLICKEGSLNANGSQKFFNREYVLMFSVFDESKNWYRKPSLQYTINGFANGTLPDVQACAYDHISWHLIGMSSSPEIFSVHFNGQTLEQNHYKVSTINLVGGASVTADMSVSRTGKWLISSLVAKHLQAGMYGYLNIKDCGNPDTLTRKLSFRELMKIKNWEYFIAAEEITWDYAPEIPSSVDRRYKAQYLDNFSNFIGKKYKKAVFRQYEDGNFTKPTYAIWPKERGILGPVIKAKVRDTVTIVFKNLASRPYSIYVHGVSVSKDAEGAIYPSDPKENITHGKAVEPGQVYTYKWTVLDTDEPTVKDSECITKLYHSAVDMTRDIASGLIGPLLVCKHKALSVKGVQNKADVEQHAVFAVFDENKSWYLEDNIKKYCSNPSAVKKDDPKFYKSNVMYTLNGYASDRTEVLRFHQSEVVQWHLTSVGTVDEIVPVHLSGHTFLSKGKHQDILNLFPMSGESATVTMDNLGTWLLSSWGSCEMSNGMRLRFLDANYDDEDEGNEEEEEDDGDIFADIFIPSEVVKKKEEVPVNFVPDPESDALAKELGLIDDEGNPIIQPRREQTEDDEEQLMKASMLGLRSFKGSVAEEELKHTALALEEDAHASDPRIDSNSARNPDDIAGRYLRTINRGNKRRYYIAAEEVLWDYSPIGKSQVRSRAAKTTFKKAIFRSYLDDTFQTPSTGGEYEKHLGILGPIIRAEVDDVIEIQFKNLASRPYSLHAHGLLYEKSSEGRSYDDKSPELFKKDDAIMPNGTYTYVWQVPPRSGPTDNTEKCKSWAYYSGVNPEKDIHSGLIGPILICQKGMIDKYNRTIDIREFVLFFMVFDEEKSWYFPKSDKSTCEEKLIGVQSLHTFPAINGIPYQLQGLTMYKDENVHWHLLNMGGPKDIHVVNFHGQTFTEEGREDNQLGVLPLLPGTFASIKMKPSKIGTWLLETEVGENQERGMQALFTVIDKDCKLPMGLASGIIQDSQISASGHVGYWEPKLARLNNTGKYNAWSIIKKEHEHPWIQIDLQRQVVITGIQTQGTVQLLQHSYTVEYFVTYSEDGQNWITFKGRHSETQMHFEGNSDGTTVKENHIDPPIIARYIRLHPTKFYNRPTFRIELLGCEVEGCSVPLGMESGAIKNSEITASSYKKTWWSSWEPSLARLNLEGGTNAWQPEVNNKDQWLQIDLQHLTKITSIITQGATSMTTSMYVKTFSIHYTDDNSTWKPYLDVRTSMEKVFTGNINSDGHVKHFFKPPILSRFIRIIPKTWNQYIALRIELFGCEV 1459
               SCOP domains ------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- SCOP domains
               CATH domains ------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- CATH domains
               Pfam domains ------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- Pfam domains
         Sec.struct. author ..eeee..eeeeeee.....-----------..eeeeee...hhhhh......................eeeeeeeee.........................................eeeeee..............eeeeee....hhhhhhh....eeeeee...............eeeeeeeeee............eeee..........eeee....eeeeeeee........eee.............ee.....eeeeee......eeeeeee.hhhhhhh...eeeeee......-----------.......eeeeeeeeeee...........hhhhhh..........eeeeeeeeee.......................eee....eeeeeeee........ee..................----..........eeeeeee.............eeeeeee...hhhhhhhh...eeeeee......--...........ee.....hhhh.hhhhhhhhhh.hhhhh...hhhhhhhhh..............eee....eee..ee.................eee..eee.............eee......eeee.....hhhhhheeeeee......hhhhhhhhh......ee......-------------------------------------------------------------------------------------------------------------....ee.....eeeee...-----------..eeeee.................hhhhh.......eeee...eeee............ee..................hhhhh............eeee.hhhhh.......eeeeeee...hhhhhhh....eeeeee..............eeeeeeeeeee........------.--------...eeeee..........eee....eeeeeee.......eeeee.....ee.........eeee......eee......eeeeeee.hhhhhh.....eeeee.....ee............eee..................................eeeeeeeeeeeeeeee..........eeeeeee..............-----...ee........eee.....eeeeeeeeeeeeee.......eeeee....................eee.....................................eeee.....eeeeeee.eee....eeeeeee..eee.....eee...........ee..........eeeeeee...eee..eeeee......eeeeee.. Sec.struct. author
                 SAPs(SNPs) ------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- SAPs(SNPs)
                PROSITE (1) ------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------MULTICOPPER_OXIDASE1 ----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------MULTICOPPER_OXIDASE1 -----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------MULTICOPPER_OXIDASE1 ------FA58C_3  PDB: V:1117-1268 UniProt: 1147-1298                                                                                                            ----FA58C_3  PDB: V:1273-1427 UniProt: 1303-1457                                                                                                               -- PROSITE (1)
                PROSITE (2) ----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------FA58C_1  PDB: V:1157-1187      ---------------------------------------------------------------------------------------------------------------------------------FA58C_1  PDB: V:1317-1346     ----------------------------------------------------------------FA58C_2          -- PROSITE (2)
                 Transcript ------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- Transcript
                4bxs V    1 AQLREYHIAAQLEDWDYNPQ-----------LTFKKIVYREYELDFKQEKPRDALSGLLGPTLRGEVGDSLIIYFKNFATQPVSIHPQSAVYNKWSEGSSYSDGTSDVERLDDAVPPGQSFKYVWNITAEIGPKKADPPCLTYAYYSHVNMVRDFNSGLIGALLICKEGSLNANGSQKFFNREYVLMFSVFDESKNWYRKPSLQYTINGFANGTLPDVQACAYDHISWHLIGMSSSPEIFSVHFNGQTLEQNHYKVSTINLVGGASVTADMSVSRTGKWLISSLVAKHLQAGMYGYLNIKDCGNPD-----------MKIKNWEYFIAAEEITWDYAPEIPSSVDRRYKAQYLDNFSNFIGKKYKKAVFRQYEDGNFTKPTYAIWPKERGILGPVIKAKVRDTVTIVFKNLASRPYSIYVHGVSVSKDAEGAIYPSDP----THGKAVEPGQVYTYKWTVLDTDEPTVKDSECITKLYHSAVDMTRDIASGLIGPLLVCKHKALS--GVQNKADVEQHAVFAVFDENKSWYLEDNIKKYCSNPSAVKKDDPKFYKSNVMYTLNGYASDRTEVLRFHQSEVVQWHLTSVGTVDEIVPVHLSGHTFLSKGKHQDILNLFPMSGESATVTMDNLGTWLLSSWGSCEMSNGMRLRFLDANYDDEDEGNEEEEEDDGDIFADIFIPSE-------------------------------------------------------------------------------------------------------------GNKRRYYIAAEEVLWDYSP-----------KTTFKKAIFRSYLDDTFQTPSTGGEYEKHLGILGPIIRAEVDDVIEIQFKNLASRPYSLHAHGLLYEKSSEGRSYDDKSPELFKKDDAIMPNGTYTYVWQVPPRSGPTDNTEKCKSWAYYSGVNPEKDIHSGLIGPILICQKGMIDKYNRTIDIREFVLFFMVFDEEKSWYFP------C--------SLHTFPAINGIPYQLQGLTMYKDENVHWHLLNMGGPKDIHVVNFHGQTFTEEGREDNQLGVLPLLPGTFASIKMKPSKIGTWLLETEVGENQERGMQALFTVIDKDCKLPMGLASGIIQDSQISASGHVGYWEPKLARLNNTGKYNAWSIIKKEHEHPWIQIDLQRQVVITGIQTQGTVQLLQHSYTVEYFVTYSEDGQNWITFKG-----QMHFEGNSDGTTVKENHIDPPIIARYIRLHPTKFYNRPTFRIELLGCEVEGCSVPLGMESGAIKNKEITASSYKKTWWSSWEPFLARLNLEGGTNAWQPEVNNKDQWLQIDLQHLTKITSIITQGATSMTTSMYVKTFSIHYTDDNSTWKPYLDVRTSMEKVFTGNINSDGHVKHFFKPPILSRFIRIIPKTWNQYIALRIELFGCEV 1429
                                    10        20         - |      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     |   -       320       330       340       350       360       370       380       390       400       410       420       430       | -  |    450       460       470       480       490       500    |  510       520       530       540       550       560       570       580       590       600       610       620       630       640       650       660       670       680  |      -         -         -         -         -         -         -         -         -         -         -  |    800       810|        -  |    830       840       850       860       870       880       890       900       910       920       930       940       950       960       970       980       990    |    - |       -|     1020      1030      1040      1050      1060      1070      1080      1090      1100      1110      1120      1130      1140      1150      1160      1170      1180      1190      1200      1210     |   - |    1230      1240      1250      1260      1270      1280      1290      1300      1310      1320      1330      1340      1350      1360      1370      1380      1390      1400      1410      1420         
                                              20          32                                                                                                                                                                                                                                                                               306         318                                                                                                                     438  443                                                           505  |                                                                                                                                                                            683                                                                                                           793               811         823                                                                                                                                                                         995   1002     1011                                                                                                                                                                                                         1216  1222                                                                                                                                                                                                               
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                     508
   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 4BXS)

(-) CATH Domains  (0, 0)

(no "CATH Domain" information available for 4BXS)

(-) Pfam Domains  (0, 0)

(no "Pfam Domain" information available for 4BXS)

(-) Gene Ontology  (15, 19)

Asymmetric/Biological Unit(hide GO term definitions)
Chain A   (Q6IT10_PSETT | Q6IT10)
molecular function
    GO:0005509    calcium ion binding    Interacting selectively and non-covalently with calcium ions (Ca2+).
    GO:0016787    hydrolase activity    Catalysis of the hydrolysis of various bonds, e.g. C-O, C-N, C-C, phosphoric anhydride bonds, etc. Hydrolase is the systematic name for any enzyme of EC class 3.
    GO:0008233    peptidase activity    Catalysis of the hydrolysis of a peptide bond. A peptide bond is a covalent bond formed when the carbon atom from the carboxyl group of one amino acid shares electrons with the nitrogen atom from the amino group of a second amino acid.
    GO:0004252    serine-type endopeptidase activity    Catalysis of the hydrolysis of internal, alpha-peptide bonds in a polypeptide chain by a catalytic mechanism that involves a catalytic triad consisting of a serine nucleophile that is activated by a proton relay involving an acidic residue (e.g. aspartate or glutamate) and a basic residue (usually histidine).
    GO:0008236    serine-type peptidase activity    Catalysis of the hydrolysis of peptide bonds in a polypeptide chain by a catalytic mechanism that involves a catalytic triad consisting of a serine nucleophile that is activated by a proton relay involving an acidic residue (e.g. aspartate or glutamate) and a basic residue (usually histidine).
biological process
    GO:0007596    blood coagulation    The sequential process in which the multiple coagulation factors of the blood interact, ultimately resulting in the formation of an insoluble fibrin clot; it may be divided into three stages: stage 1, the formation of intrinsic and extrinsic prothrombin converting principle; stage 2, the formation of thrombin; stage 3, the formation of stable fibrin polymers.
    GO:0006508    proteolysis    The hydrolysis of proteins into smaller polypeptides and/or amino acids by cleavage of their peptide bonds.
cellular component
    GO:0005576    extracellular region    The space external to the outermost structure of a cell. For cells without external protective or external encapsulating structures this refers to space outside of the plasma membrane. This term covers the host cell environment outside an intracellular parasite.

Chain V   (FA5V_PSETE | Q7SZN0)
molecular function
    GO:0005507    copper ion binding    Interacting selectively and non-covalently with copper (Cu) ions.
    GO:0046872    metal ion binding    Interacting selectively and non-covalently with any metal ion.
    GO:0016504    peptidase activator activity    Binds to and increases the activity of a peptidase, any enzyme that catalyzes the hydrolysis peptide bonds.
    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:0004252    serine-type endopeptidase activity    Catalysis of the hydrolysis of internal, alpha-peptide bonds in a polypeptide chain by a catalytic mechanism that involves a catalytic triad consisting of a serine nucleophile that is activated by a proton relay involving an acidic residue (e.g. aspartate or glutamate) and a basic residue (usually histidine).
biological process
    GO:0007596    blood coagulation    The sequential process in which the multiple coagulation factors of the blood interact, ultimately resulting in the formation of an insoluble fibrin clot; it may be divided into three stages: stage 1, the formation of intrinsic and extrinsic prothrombin converting principle; stage 2, the formation of thrombin; stage 3, the formation of stable fibrin polymers.
    GO:0044469    envenomation resulting in positive regulation of blood coagulation in other organism    A process that begins with venom being forced into an organism by the bite or sting of another organism, and ends with the resultant activation, maintenance or an increase in the frequency, rate or extent of blood coagulation in the bitten organism.
    GO:0035807    positive regulation of blood coagulation in other organism    Any process in which an organism activates, maintains or increases the frequency, rate or extent of blood coagulation in another organism. Blood coagulation is the sequential process in which the multiple coagulation factors of the blood interact, ultimately resulting in the formation of an insoluble fibrin clot.
    GO:0010952    positive regulation of peptidase activity    Any process that increases the frequency, rate or extent of peptidase activity, the hydrolysis of peptide bonds within proteins.
    GO:0006508    proteolysis    The hydrolysis of proteins into smaller polypeptides and/or amino acids by cleavage of their peptide bonds.
cellular component
    GO:0005576    extracellular region    The space external to the outermost structure of a cell. For cells without external protective or external encapsulating structures this refers to space outside of the plasma membrane. This term covers the host cell environment outside an intracellular parasite.

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(-) Related Entries Specified in the PDB File

4bxw CRYSTAL STRUCTURE OF THE PROTHROMBINASE COMPLEX FROM THE VENOM OF PSEUDONAJA TEXTILIS