Detailed Peptide Information


This page shows detailed information of individual peptides present in PlantPepDB database. The page is majorly divided into 3 sections. The first sections contains primary information like peptide activity, source, sequence, etc. In the secondary information section user can access the tertiary structure as well as the physico-chemical properties by clicking the respective links. Further there is also link of the source database and research article from which the peptide data is retrieved. Download the information by clicking



Primary Information
PPepDB IDPPepDB_4031
Peptide NameIPRA_SAGSA
PMID(s)--NA--
Plant Source (Scientific Name)Sagittaria sagittifolia
Plant Source (Common Name)Arrowhead
Plant FamilyAlismataceae
Peptide Family--NA--
Peptide FunctionSignaling-peptide
Peptide Function DescriptionDirect protein sequencing; Protease inhibitor; Secreted; Serine protease inhibitor; Signal | Proteinase inhibitor A precursor (Double-headed proteinase inhibitor,A) (API-A).Secreted.
Activity Against--NA--
IC50 value--NA--
SequenceAAIGFRGGLSTLHKDACKSYVYEAPETDRGLPVGFSASATSQPVMQLGSRMAASNALLLISGVLLISLAVLCHGDPVVDSDGDAVQLNLGGNYPLYTIQSVNGRTLLGIGGEHFTVRFQKFDALAMKTAPQYKFSFSMPVPLICDTAWSIGKSTEETGVYKLAACSCEFCKIACPEVGSFN
Sequence Length181
ValidationExperimental evidence at protein level
Average Molecular Weight (Da)19152
Monoisotopic Molecular Weight (Da)19139.54
Isoelectric Point (pI)5.89
Method / Extraction--NA--


Secondary Information
Tertiary Structure and DSSP ReportClick to View Structure
Physico-Chemical Properties of peptidesClick to View Physico-Chemical Details of PPepDB_4031


External links (Uniprot, PDB and Source Information Database)
UniprotP31608
NCBI--NA--
EMBLD13819
Link to Source DatabasesSPdb125748
Addtional InformationFUNCTION:Possesses two reactive sites. Inhibits an equimolar amount of trypsin and chymotrypsin simultaneously, and inhibits kallikrein weakly.SIMILARITY:Belongs to the protease inhibitor I3 (leguminous Kunitz-type inhibitor) family.