ID   VKT1_TELDH              Reviewed;          90 AA.
AC   A7X3V4;
DT   16-JUN-2009, integrated into UniProtKB/Swiss-Prot.
DT   23-OCT-2007, sequence version 1.
DT   25-MAY-2022, entry version 41.
DE   RecName: Full=Kunitz-type serine protease inhibitor kunitoxin-Tel1;
DE   Flags: Precursor;
OS   Telescopus dhara (Egyptian catsnake).
OC   Eukaryota; Metazoa; Chordata; Craniata; Vertebrata; Euteleostomi;
OC   Lepidosauria; Squamata; Bifurcata; Unidentata; Episquamata; Toxicofera;
OC   Serpentes; Colubroidea; Colubridae; Colubrinae; Telescopus.
OX   NCBI_TaxID=338837;
RN   [1]
RP   NUCLEOTIDE SEQUENCE [MRNA].
RC   TISSUE=Venom gland;
RX   PubMed=17855442; DOI=10.1074/mcp.m700094-mcp200;
RA   Fry B.G., Scheib H., van der Weerd L., Young B., McNaughtan J.,
RA   Ramjan S.F.R., Vidal N., Poelmann R.E., Norman J.A.;
RT   "Evolution of an arsenal: structural and functional diversification of the
RT   venom system in the advanced snakes (Caenophidia).";
RL   Mol. Cell. Proteomics 7:215-246(2008).
CC   -!- FUNCTION: Serine protease inhibitor. {ECO:0000250}.
CC   -!- SUBCELLULAR LOCATION: Secreted {ECO:0000250}.
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; EU029687; ABU68487.1; -; mRNA.
DR   AlphaFoldDB; A7X3V4; -.
DR   SMR; A7X3V4; -.
DR   MEROPS; I02.062; -.
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   2: Evidence at transcript level;
KW   Disulfide bond; Protease inhibitor; Pyrrolidone carboxylic acid; Secreted;
KW   Serine protease inhibitor; Signal.
FT   SIGNAL          1..24
FT                   /evidence="ECO:0000250"
FT   CHAIN           25..90
FT                   /note="Kunitz-type serine protease inhibitor kunitoxin-
FT                   Tel1"
FT                   /id="PRO_0000376907"
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   MOD_RES         25
FT                   /note="Pyrrolidone carboxylic acid"
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   90 AA;  10229 MW;  FAC7C4386AFF9F5A CRC64;
     MSSGGLLLLL GLLTLWAELT PVSGQDRPKY CDLPADSGPC RARKRHFYYN SRSNQCEEFT
     YGGCRGNENN FETKDKCHYT CVAPPRRRPL