annotation rule: PRU00031

General rule information [?]

Accession PRU00031
Dates 12-DEC-2003 (Created)
7-JAN-2017 (Last updated, Version 8)
Data class Domain
Predictors PROSITE; PS50279; BPTI_KUNITZ_2
Name BPTI/Kunitz inhibitor domain
Function Undefined.

Propagated annotation [?]

Cross-references [?]


Gene Ontology [?]

GO:0004866; Molecular function: endopeptidase inhibitor activity.
GO:0004867; Molecular function: serine-type endopeptidase inhibitor activity.

Keywords [?]

case <FTTag:disulf>
end case

Features [?]

From: PS50279
Key     From     To       Description   Tag   Condition   FTGroup
DOMAIN     from     to       BPTI/Kunitz inhibitor #        
DISULFID     1     51           disulf   C-x*-C  
DISULFID     10     34           disulf   C-x*-C  
DISULFID     26     47           disulf   C-x*-C  

Additional information [?]

Size range 51-76 amino acids
Related rules None
Repeats 1-5
Topology Undefined
Example Q60495 (A4_CAVPO)
Scope Eukaryota; Metazoa


PROSITE is copyright. It is produced by the SIB Swiss Institute Bioinformatics. There are no restrictions on its use by non-profit institutions as long as its content is in no way modified. Usage by and for commercial entities requires a license agreement. For information about the licensing scheme send an email to or see: prosite_license.html.

UniProtKB rule member sequences [?]