VKT87_DRYCN
ID VKT87_DRYCN Reviewed; 83 AA.
AC F8J2F5;
DT 19-FEB-2014, integrated into UniProtKB/Swiss-Prot.
DT 21-SEP-2011, sequence version 1.
DT 25-MAY-2022, entry version 26.
DE RecName: Full=Kunitz-type serine protease inhibitor 87;
DE Short=SPI-87;
DE Flags: Precursor;
OS Drysdalia coronoides (White-lipped snake) (Hoplocephalus coronoides).
OC Eukaryota; Metazoa; Chordata; Craniata; Vertebrata; Euteleostomi;
OC Lepidosauria; Squamata; Bifurcata; Unidentata; Episquamata; Toxicofera;
OC Serpentes; Colubroidea; Elapidae; Notechinae; Drysdalia.
OX NCBI_TaxID=66186;
RN [1]
RP NUCLEOTIDE SEQUENCE [MRNA], AND IDENTIFICATION BY MASS SPECTROMETRY.
RC TISSUE=Venom, and Venom gland;
RX PubMed=21133350; DOI=10.1021/pr1008916;
RA Chatrath S.T., Chapeaurouge A., Lin Q., Lim T.K., Dunstan N., Mirtschin P.,
RA Kumar P.P., Kini R.M.;
RT "Identification of novel proteins from the venom of a cryptic snake
RT Drysdalia coronoides by a combined transcriptomics and proteomics
RT approach.";
RL J. Proteome Res. 10:739-750(2011).
CC -!- FUNCTION: Serine protease inhibitor. {ECO:0000250}.
CC -!- SUBCELLULAR LOCATION: Secreted.
CC -!- TISSUE SPECIFICITY: Expressed by the venom gland.
CC -!- SIMILARITY: Belongs to the venom Kunitz-type family. {ECO:0000305}.
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DR EMBL; FJ752473; ACR78495.1; -; mRNA.
DR AlphaFoldDB; F8J2F5; -.
DR SMR; F8J2F5; -.
DR MEROPS; I02.052; -.
DR GO; GO:0005576; C:extracellular region; IEA:UniProtKB-SubCell.
DR GO; GO:0004867; F:serine-type endopeptidase inhibitor activity; IEA:UniProtKB-KW.
DR CDD; cd00109; KU; 1.
DR Gene3D; 4.10.410.10; -; 1.
DR InterPro; IPR002223; Kunitz_BPTI.
DR InterPro; IPR036880; Kunitz_BPTI_sf.
DR InterPro; IPR020901; Prtase_inh_Kunz-CS.
DR Pfam; PF00014; Kunitz_BPTI; 1.
DR PRINTS; PR00759; BASICPTASE.
DR SMART; SM00131; KU; 1.
DR SUPFAM; SSF57362; SSF57362; 1.
DR PROSITE; PS00280; BPTI_KUNITZ_1; 1.
DR PROSITE; PS50279; BPTI_KUNITZ_2; 1.
PE 1: Evidence at protein level;
KW Disulfide bond; Protease inhibitor; Secreted; Serine protease inhibitor;
KW Signal.
FT SIGNAL 1..24
FT /evidence="ECO:0000255"
FT CHAIN 25..83
FT /note="Kunitz-type serine protease inhibitor 87"
FT /id="PRO_0000425517"
FT DOMAIN 31..81
FT /note="BPTI/Kunitz inhibitor"
FT /evidence="ECO:0000255|PROSITE-ProRule:PRU00031"
FT SITE 41..42
FT /note="Reactive bond for trypsin"
FT /evidence="ECO:0000250"
FT DISULFID 31..81
FT /evidence="ECO:0000255|PROSITE-ProRule:PRU00031"
FT DISULFID 40..64
FT /evidence="ECO:0000255|PROSITE-ProRule:PRU00031"
FT DISULFID 56..77
FT /evidence="ECO:0000255|PROSITE-ProRule:PRU00031"
SQ SEQUENCE 83 AA; 9252 MW; 08248B2307112EDF CRC64;
MSSGGLLLLL GLLTLWAELT PVSSKDRPDF CHLPHETGPC KAKIQAFYYN PIYDTCLKFI
YGGCEGNANN FKTMDECKRT CAE