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Protein

Snake venom metalloproteinase BmooMPalpha-I

Gene
N/A
Organism
Bothrops moojeni (Lance-headed viper) (Caissaca)
Status
Reviewed-Annotation score: Annotation score: 5 out of 5-Experimental evidence at protein leveli

Functioni

Snake venom zinc metalloproteinase that cleaves the alpha chain of fibrinogen (FGA) first followed by the beta chain (FGB) and shows no effect on the gamma chain. Cleaves only the beta chain of fibrin, leaving the gamma-dimer untouched. Shows proteolytic activity towards azocasein. Causes defibrinogenation when intraperitoneally administered on mice.1 Publication

Cofactori

Zn2+By similarityNote: Binds 1 zinc ion per subunit.By similarity

Enzyme regulationi

Inhibited by EDTA. Not inhibited by the serine proteinase inhibitors aprotinin and benzamidine.1 Publication

pH dependencei

Optimum pH is 8.0.1 Publication

Sites

Feature keyPosition(s)LengthDescriptionGraphical viewFeature identifierActions
Metal bindingi11 – 111Calcium
Metal bindingi95 – 951Calcium
Metal bindingi144 – 1441Zinc; catalytic1 Publication
Active sitei145 – 1451PROSITE-ProRule annotationBy similarity
Metal bindingi148 – 1481Zinc; catalytic1 Publication
Metal bindingi154 – 1541Zinc; catalytic1 Publication
Metal bindingi199 – 1991Calcium; via carbonyl oxygen
Metal bindingi202 – 2021Calcium

GO - Molecular functioni

Complete GO annotation...

Keywords - Molecular functioni

Fibrinogenolytic toxin, Fibrinolytic toxin, Hemostasis impairing toxin, Hydrolase, Metalloprotease, Protease, Toxin

Keywords - Ligandi

Calcium, Metal-binding, Zinc

Protein family/group databases

MEROPSiM12.338.

Names & Taxonomyi

Protein namesi
Recommended name:
Snake venom metalloproteinase BmooMPalpha-I (EC:3.4.24.-)
Short name:
SVMP
Alternative name(s):
Zinc metalloproteinase BmooMPalfa-I1 Publication
OrganismiBothrops moojeni (Lance-headed viper) (Caissaca)
Taxonomic identifieri98334 [NCBI]
Taxonomic lineageiEukaryotaMetazoaChordataCraniataVertebrataEuteleostomiLepidosauriaSquamataBifurcataUnidentataEpisquamataToxicoferaSerpentesColubroideaViperidaeCrotalinaeBothrops

Subcellular locationi

GO - Cellular componenti

Complete GO annotation...

Keywords - Cellular componenti

Secreted

PTM / Processingi

Molecule processing

Feature keyPosition(s)LengthDescriptionGraphical viewFeature identifierActions
Chaini1 – 205205Snake venom metalloproteinase BmooMPalpha-IPRO_0000312772Add
BLAST

Amino acid modifications

Feature keyPosition(s)LengthDescriptionGraphical viewFeature identifierActions
Disulfide bondi119 ↔ 199PROSITE-ProRule annotation1 Publication
Disulfide bondi159 ↔ 183PROSITE-ProRule annotation1 Publication
Disulfide bondi161 ↔ 166PROSITE-ProRule annotation1 Publication

Keywords - PTMi

Disulfide bond

Expressioni

Tissue specificityi

Expressed by the venom gland.1 Publication

Interactioni

Subunit structurei

Monomer.By similarity

Structurei

Secondary structure

1
205
Legend: HelixTurnBeta strand
Show more details
Feature keyPosition(s)LengthDescriptionGraphical viewFeature identifierActions
Beta strandi8 – 169Combined sources
Helixi18 – 236Combined sources
Turni24 – 263Combined sources
Helixi28 – 4619Combined sources
Helixi47 – 493Combined sources
Beta strandi51 – 6010Combined sources
Helixi73 – 8614Combined sources
Helixi88 – 914Combined sources
Beta strandi95 – 1028Combined sources
Helixi106 – 1083Combined sources
Beta strandi111 – 1133Combined sources
Turni121 – 1233Combined sources
Beta strandi124 – 1296Combined sources
Helixi135 – 14915Combined sources
Beta strandi162 – 1665Combined sources
Helixi182 – 19514Combined sources

3D structure databases

Select the link destinations:
PDBei
RCSB PDBi
PDBji
Links Updated
EntryMethodResolution (Å)ChainPositionsPDBsum
3GBOX-ray1.77A5-204[»]
ProteinModelPortaliP85314.
ModBaseiSearch...
MobiDBiSearch...

Miscellaneous databases

EvolutionaryTraceiP85314.

Family & Domainsi

Domains and Repeats

Feature keyPosition(s)LengthDescriptionGraphical viewFeature identifierActions
Domaini8 – 204197Peptidase M12BPROSITE-ProRule annotationAdd
BLAST

Sequence similaritiesi

Contains 1 peptidase M12B domain.PROSITE-ProRule annotation

Family and domain databases

Gene3Di3.40.390.10. 1 hit.
InterProiIPR024079. MetalloPept_cat_dom.
IPR001590. Peptidase_M12B.
[Graphical view]
PfamiPF01421. Reprolysin. 1 hit.
[Graphical view]
PROSITEiPS50215. ADAM_MEPRO. 1 hit.
PS00142. ZINC_PROTEASE. 1 hit.
[Graphical view]

Sequencei

Sequence statusi: Complete.

P85314-1 [UniParc]FASTAAdd to basket

« Hide

        10         20         30         40         50
EQQKFSPRYI ELVVVADHGM FKKYNSNLNT IRKWVHEMVN SMNGFYRSVD
60 70 80 90 100
VTASLANLEV WSKKDLINVQ KDSRETLKSF GEWRERDLLP RISHDNAQLL
110 120 130 140 150
TAIVFDGHTI GRAYTGGMCD PRHSVGVVMD HSPKNLQVAV TMAHELGHNL
160 170 180 190 200
GMHHDGNQCH CDAASCIMAD SLSVVLSYEF SDCSQNQYQT YLTKHNPQCI

LNEPL
Length:205
Mass (Da):23,279
Last modified:May 5, 2009 - v2
Checksum:iB309E96A76F875CE
GO

Mass spectrometryi

Molecular mass is 23095 Da from positions 1 - 205. Determined by ESI. 1 Publication

Cross-referencesi

3D structure databases

Select the link destinations:
PDBei
RCSB PDBi
PDBji
Links Updated
EntryMethodResolution (Å)ChainPositionsPDBsum
3GBOX-ray1.77A5-204[»]
ProteinModelPortaliP85314.
ModBaseiSearch...
MobiDBiSearch...

Protein family/group databases

MEROPSiM12.338.

Protocols and materials databases

Structural Biology KnowledgebaseSearch...

Miscellaneous databases

EvolutionaryTraceiP85314.

Family and domain databases

Gene3Di3.40.390.10. 1 hit.
InterProiIPR024079. MetalloPept_cat_dom.
IPR001590. Peptidase_M12B.
[Graphical view]
PfamiPF01421. Reprolysin. 1 hit.
[Graphical view]
PROSITEiPS50215. ADAM_MEPRO. 1 hit.
PS00142. ZINC_PROTEASE. 1 hit.
[Graphical view]
ProtoNetiSearch...

Entry informationi

Entry nameiVM1BI_BOTMO
AccessioniPrimary (citable) accession number: P85314
Entry historyi
Integrated into UniProtKB/Swiss-Prot: December 4, 2007
Last sequence update: May 5, 2009
Last modified: January 7, 2015
This is version 41 of the entry and version 2 of the sequence. [Complete history]
Entry statusiReviewed (UniProtKB/Swiss-Prot)
Annotation programAnimal Toxin Annotation Program
Annotation programChordata Protein Annotation Program

Miscellaneousi

Miscellaneous

Is devoid of hemorrhagic, thrombin-like, and phospholipase A2 activities. Has no hemorrhagic activity in mice (PubMed:18187176).1 Publication

Keywords - Technical termi

3D-structure, Direct protein sequencing

Documents

  1. PDB cross-references
    Index of Protein Data Bank (PDB) cross-references
  2. Peptidase families
    Classification of peptidase families and list of entries
  3. SIMILARITY comments
    Index of protein domains and families

Similar proteinsi

Links to similar proteins from the UniProt Reference Clusters (UniRef) at 100%, 90% and 50% sequence identity:
100%UniRef100 combines identical sequences and sub-fragments with 11 or more residues from any organism into one UniRef entry.
90%UniRef90 is built by clustering UniRef100 sequences that have at least 90% sequence identity to, and 80% overlap with, the longest sequence (a.k.a seed sequence).
50%UniRef50 is built by clustering UniRef90 seed sequences that have at least 50% sequence identity to, and 80% overlap with, the longest sequence in the cluster.