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VSP_LACST
ID   VSP_LACST               Reviewed;         258 AA.
AC   Q072L7;
DT   10-JUL-2007, integrated into UniProtKB/Swiss-Prot.
DT   31-OCT-2006, sequence version 1.
DT   03-AUG-2022, entry version 49.
DE   RecName: Full=Snake venom serine protease;
DE            Short=SVSP;
DE            EC=3.4.21.-;
DE   Flags: Precursor;
OS   Lachesis stenophrys (Central American bushmaster).
OC   Eukaryota; Metazoa; Chordata; Craniata; Vertebrata; Euteleostomi;
OC   Lepidosauria; Squamata; Bifurcata; Unidentata; Episquamata; Toxicofera;
OC   Serpentes; Colubroidea; Viperidae; Crotalinae; Lachesis.
OX   NCBI_TaxID=88085;
RN   [1]
RP   NUCLEOTIDE SEQUENCE [MRNA].
RC   TISSUE=Venom gland;
RA   Arce V., Azofeifa G., Flores M., Alape A.;
RT   "Molecular cloning and sequence analysis of a thrombin-like enzyme from the
RT   venom of Lachesis stenophrys.";
RL   Submitted (OCT-2005) to the EMBL/GenBank/DDBJ databases.
CC   -!- FUNCTION: Snake venom serine protease that may act in the hemostasis
CC       system of the prey. {ECO:0000250}.
CC   -!- SUBUNIT: Monomer. {ECO:0000250}.
CC   -!- SUBCELLULAR LOCATION: Secreted {ECO:0000250}.
CC   -!- TISSUE SPECIFICITY: Expressed by the venom gland.
CC   -!- SIMILARITY: Belongs to the peptidase S1 family. Snake venom subfamily.
CC       {ECO:0000255|PROSITE-ProRule:PRU00274}.
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DR   EMBL; DQ247723; ABB76279.1; -; mRNA.
DR   AlphaFoldDB; Q072L7; -.
DR   SMR; Q072L7; -.
DR   MEROPS; S01.497; -.
DR   BRENDA; 3.4.21.74; 16986.
DR   GO; GO:0005576; C:extracellular region; IEA:UniProtKB-SubCell.
DR   GO; GO:0004252; F:serine-type endopeptidase activity; IEA:InterPro.
DR   GO; GO:0090729; F:toxin activity; IEA:UniProtKB-KW.
DR   GO; GO:0006508; P:proteolysis; IEA:UniProtKB-KW.
DR   CDD; cd00190; Tryp_SPc; 1.
DR   Gene3D; 2.40.10.10; -; 2.
DR   InterPro; IPR009003; Peptidase_S1_PA.
DR   InterPro; IPR043504; Peptidase_S1_PA_chymotrypsin.
DR   InterPro; IPR001314; Peptidase_S1A.
DR   InterPro; IPR001254; Trypsin_dom.
DR   InterPro; IPR018114; TRYPSIN_HIS.
DR   InterPro; IPR033116; TRYPSIN_SER.
DR   Pfam; PF00089; Trypsin; 1.
DR   PRINTS; PR00722; CHYMOTRYPSIN.
DR   SMART; SM00020; Tryp_SPc; 1.
DR   SUPFAM; SSF50494; SSF50494; 1.
DR   PROSITE; PS50240; TRYPSIN_DOM; 1.
DR   PROSITE; PS00134; TRYPSIN_HIS; 1.
DR   PROSITE; PS00135; TRYPSIN_SER; 1.
PE   2: Evidence at transcript level;
KW   Disulfide bond; Glycoprotein; Hemostasis impairing toxin; Hydrolase;
KW   Protease; Secreted; Serine protease; Signal; Toxin.
FT   SIGNAL          1..18
FT                   /evidence="ECO:0000255"
FT   PROPEP          19..24
FT                   /evidence="ECO:0000250"
FT                   /id="PRO_0000295000"
FT   CHAIN           25..258
FT                   /note="Snake venom serine protease"
FT                   /id="PRO_0000295001"
FT   DOMAIN          25..249
FT                   /note="Peptidase S1"
FT                   /evidence="ECO:0000255|PROSITE-ProRule:PRU00274"
FT   ACT_SITE        65
FT                   /note="Charge relay system"
FT                   /evidence="ECO:0000250"
FT   ACT_SITE        110
FT                   /note="Charge relay system"
FT                   /evidence="ECO:0000250"
FT   ACT_SITE        204
FT                   /note="Charge relay system"
FT                   /evidence="ECO:0000250"
FT   CARBOHYD        154
FT                   /note="N-linked (GlcNAc...) asparagine"
FT                   /evidence="ECO:0000255"
FT   DISULFID        31..163
FT                   /evidence="ECO:0000255|PROSITE-ProRule:PRU00274"
FT   DISULFID        50..66
FT                   /evidence="ECO:0000255|PROSITE-ProRule:PRU00274"
FT   DISULFID        98..256
FT                   /evidence="ECO:0000255|PROSITE-ProRule:PRU00274"
FT   DISULFID        142..210
FT                   /evidence="ECO:0000255|PROSITE-ProRule:PRU00274"
FT   DISULFID        174..189
FT                   /evidence="ECO:0000255|PROSITE-ProRule:PRU00274"
FT   DISULFID        200..225
FT                   /evidence="ECO:0000255|PROSITE-ProRule:PRU00274"
SQ   SEQUENCE   258 AA;  27814 MW;  79913D83CE3C3C2D CRC64;
     MVLIRVLANL LILQLSYAQK SSELVIGGDE CNINEHRSLA LVYITSGFLC GGTLINQQWV
     LTAAHCDRGN MLIFFDVHSL KGLNKDVQSR VAKEKFICPN RKKDDEKDKD IMLIKLDSPV
     SNSEHIAPLS LPSNPPSVGS VCRIMGWGAI TSPNVTLPGV PHCANINILD YEVCRKAYTG
     LPATSRTLCA GILEGGKDSC KGDSGGPLIC NGQFQGIVSW GAHPCGQSLK PGVYTKVFDY
     TEWIQSILAG NADATCPP
 
 
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