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 ID | PPepDB_5644 |
| Peptide Name | SPI7_SOLTU |
| PMID(s) | --NA-- |
| Plant Source (Scientific Name) | Solanum tuberosum |
| Plant Source (Common Name) | Potato |
| Plant Family | Solanaceae |
| Peptide Family | --NA-- |
| Peptide Function | Signaling-peptide |
| Peptide Function Description | Allergen; Direct protein sequencing; Protease inhibitor; Serine protease inhibitor; Signal; Vacuole | Serine protease inhibitor 7 precursor (PIG) (PIGEN1) (Allergen Sola t,4) (STPIB) (STPIA) (pKEN14-28) (pF4).Vacuole. |
| Activity Against | --NA-- |
| IC50 value | --NA-- |
| Sequence | GKRRLALVKDNPLDVSFKQVQIGQADSSWFKIVKSSQFGYNLLYCPVTSTMSCPFSSDDQFCLKVGVVHQNMKCLFLLCLCLVPIVVFSSTFTSKNPINLPSDATPVLDVAGKELDSRLSYRIISTFWGALGGDVYLGKSPNSDAPCANGIFRYNSDVGPSGTPVRFIGSSSHFGQGIFENELLNIQFAISTSKLCVSYTIWKVGDYDASLGTMLLETGGT |
| Sequence Length | 221 |
| Validation | Experimental evidence at protein level |
| Average Molecular Weight (Da) | 24027.56 |
| Monoisotopic Molecular Weight (Da) | 24012.06 |
| Isoelectric Point (pI) | 7.67 |
| Method / Extraction | --NA-- |
| External links (Uniprot, PDB and Source Information Database) |
| Uniprot | P30941 |
| NCBI | --NA-- |
| EMBL | X64370 |
| Link to Source Databases | SPdb274471 |
| Addtional Information | FUNCTION:Inhibitor of trypsin (serine protease). May protect the plant by inhibiting proteases of invading organisms (By similarity).TISSUE SPECIFICITY:Tubers. Not detected in root, stem, leaves or flower bud.INDUCTION:Not induced by sucrose, methyl jasmonate or wounding.ALLERGEN:Causes an allergic reaction in human.MISCELLANEOUS:Has a single chain structure.SIMILARITY:Belongs to the protease inhibitor I3 (leguminous Kunitz-type inhibitor) family.CAUTION:Was originally (Ref.1 and Ref.2) thought to be an aspartic proteinase inhibitor. |