VKT1_DABRR
ID VKT1_DABRR Reviewed; 84 AA.
AC Q2ES50;
DT 16-JUN-2009, integrated into UniProtKB/Swiss-Prot.
DT 21-MAR-2006, sequence version 1.
DT 25-MAY-2022, entry version 47.
DE RecName: Full=Kunitz-type serine protease inhibitor 1;
DE AltName: Full=Kunitz protease inhibitor 1;
DE AltName: Full=Kunitz protease inhibitor I;
DE Flags: Precursor;
OS Daboia russelii (Russel's viper) (Vipera russelii).
OC Eukaryota; Metazoa; Chordata; Craniata; Vertebrata; Euteleostomi;
OC Lepidosauria; Squamata; Bifurcata; Unidentata; Episquamata; Toxicofera;
OC Serpentes; Colubroidea; Viperidae; Viperinae; Daboia.
OX NCBI_TaxID=8707;
RN [1]
RP NUCLEOTIDE SEQUENCE [MRNA].
RC TISSUE=Venom gland;
RA Madhukumar A.V., Reza M.A., Gowda T.V., Kini R.M.;
RT "A survey of Daboia russelii venom gland transcripts (cDNA): unraveling the
RT venom proteins and peptides.";
RL Submitted (JAN-2006) to the EMBL/GenBank/DDBJ databases.
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; DQ365978; ABD24040.1; -; mRNA.
DR AlphaFoldDB; Q2ES50; -.
DR SMR; Q2ES50; -.
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; Secreted; Serine protease inhibitor;
KW Signal.
FT SIGNAL 1..24
FT /evidence="ECO:0000250"
FT CHAIN 25..84
FT /note="Kunitz-type serine protease inhibitor 1"
FT /id="PRO_0000376878"
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 84 AA; 9287 MW; F649EB6BD1DAC474 CRC64;
MSSGGLLLLL GLLTLWAELT PISGHDRPTF CNLAPESGRC RGHLRRIYYN LESNKCKVFF
YGGCGGNANN FETRDECRQT CGGK