ID   KTI1_XANSA              Reviewed;          19 AA.
AC   P86930;
DT   19-OCT-2011, integrated into UniProtKB/Swiss-Prot.
DT   19-OCT-2011, sequence version 1.
DT   25-MAY-2022, entry version 10.
DE   RecName: Full=Kunitz-type serine protease inhibitor 1 {ECO:0000303|PubMed:21520894};
DE            Short=Xb-KTI {ECO:0000303|PubMed:21520894};
DE   Flags: Fragment;
OS   Xanthosoma sagittifolium (Elephant's ear) (Arum sagittifolium).
OC   Eukaryota; Viridiplantae; Streptophyta; Embryophyta; Tracheophyta;
OC   Spermatophyta; Magnoliopsida; Liliopsida; Araceae; Aroideae; Caladieae;
OC   Xanthosoma.
OX   NCBI_TaxID=28478;
RN   [1] {ECO:0000305}
RP   PROTEIN SEQUENCE, AND FUNCTION.
RC   TISSUE=Corm {ECO:0000269|PubMed:21520894};
RX   PubMed=21520894; DOI=10.1021/np200312r;
RA   Lima T.B., Silva O.N., Migliolo L., Souza-Filho C.R., Goncalves E.G.,
RA   Vasconcelos I.M., Oliveira J.T., Amaral A.C., Franco O.L.;
RT   "A Kunitz proteinase inhibitor from corms of Xanthosoma blandum with
RT   bactericidal activity.";
RL   J. Nat. Prod. 74:969-975(2011).
RN   [2] {ECO:0000305}
RP   SUBCELLULAR LOCATION.
RA   Franco O.L.;
RL   Submitted (JUN-2011) to UniProtKB.
CC   -!- FUNCTION: Serine protease inhibitor. Displays antimicrobial activity
CC       against the Gram-negative bacterium S.typhimurium ATCC 14028. Displays
CC       no hemolytic activity. {ECO:0000269|PubMed:21520894}.
CC   -!- SUBCELLULAR LOCATION: Cytoplasm {ECO:0000269|Ref.2}.
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DR   AlphaFoldDB; P86930; -.
DR   GO; GO:0005737; C:cytoplasm; IEA:UniProtKB-SubCell.
DR   GO; GO:0004867; F:serine-type endopeptidase inhibitor activity; IEA:UniProtKB-KW.
DR   GO; GO:0042742; P:defense response to bacterium; IEA:UniProtKB-KW.
PE   1: Evidence at protein level;
KW   Antibiotic; Antimicrobial; Cytoplasm; Direct protein sequencing;
KW   Protease inhibitor; Serine protease inhibitor.
FT   PEPTIDE         1..>19
FT                   /note="Kunitz-type serine protease inhibitor 1"
FT                   /evidence="ECO:0000269|PubMed:21520894"
FT                   /id="PRO_0000413067"
FT   NON_TER         19
FT                   /evidence="ECO:0000303|PubMed:21520894"
SQ   SEQUENCE   19 AA;  2194 MW;  C7FDFCBABADD8296 CRC64;
     PVVDTTGNNP LQQQEEYYV