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HIR1A_HIRME
ID   HIR1A_HIRME             Reviewed;          17 AA.
AC   P28502;
DT   01-DEC-1992, integrated into UniProtKB/Swiss-Prot.
DT   01-DEC-1992, sequence version 1.
DT   25-MAY-2022, entry version 72.
DE   RecName: Full=Hirudin-1A;
DE   AltName: Full=Hirudin IA;
DE   Flags: Fragment;
OS   Hirudo medicinalis (Medicinal leech).
OC   Eukaryota; Metazoa; Spiralia; Lophotrochozoa; Annelida; Clitellata;
OC   Hirudinea; Hirudinida; Hirudiniformes; Hirudinidae; Hirudo.
OX   NCBI_TaxID=6421;
RN   [1]
RP   PROTEIN SEQUENCE.
RX   PubMed=2792365; DOI=10.1016/0014-5793(89)81070-1;
RA   Scharf M., Engels J., Tripier D.;
RT   "Primary structures of new 'iso-hirudins'.";
RL   FEBS Lett. 255:105-110(1989).
CC   -!- FUNCTION: Hirudin is a potent thrombin-specific protease inhibitor. It
CC       forms a stable non-covalent complex with alpha-thrombin, thereby
CC       abolishing its ability to cleave fibrinogen.
CC   -!- SUBCELLULAR LOCATION: Secreted.
CC   -!- PTM: Sulfated. {ECO:0000250}.
CC   -!- SIMILARITY: Belongs to the protease inhibitor I14 (hirudin) family.
CC       {ECO:0000305}.
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DR   PIR; S05671; S05671.
DR   AlphaFoldDB; P28502; -.
DR   Allergome; 9843; Hir me Hirudin.
DR   GO; GO:0005576; C:extracellular region; IEA:UniProtKB-SubCell.
DR   GO; GO:0004867; F:serine-type endopeptidase inhibitor activity; IEA:UniProtKB-KW.
DR   Gene3D; 2.70.10.10; -; 1.
DR   InterPro; IPR024793; Hirudin.
DR   InterPro; IPR011061; Hirudin/antistatin.
DR   InterPro; IPR000429; Prot_inh_hirudin.
DR   Pfam; PF00713; Hirudin; 1.
DR   SUPFAM; SSF57262; SSF57262; 1.
PE   1: Evidence at protein level;
KW   Direct protein sequencing; Protease inhibitor; Secreted;
KW   Serine protease inhibitor; Sulfation.
FT   CHAIN           1..>17
FT                   /note="Hirudin-1A"
FT                   /id="PRO_0000195642"
FT   REGION          1..3
FT                   /note="Interaction with thrombin active site"
FT                   /evidence="ECO:0000250"
FT   NON_TER         17
SQ   SEQUENCE   17 AA;  1877 MW;  8904C6786C301CE7 CRC64;
     VVYTDCTESG QNLCLCE
 
 
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