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_3969 |
| Peptide Name | Antimicrobial peptide Ac-AMP2 |
| PMID(s) | 1567877, 12387889, 8089137 |
| Plant Source (Scientific Name) | Amaranthus caudatus, Amaranthus hypochondriacus |
| Plant Source (Common Name) | amaranth inca-Wheat, prince-of-Wales feather |
| Plant Family | Amaranthaceae |
| Peptide Family | Hevein |
| Peptide Function | Antibacterial, Antifungal, Alpha-amylase-inhibitor |
| Peptide Function Description | is active against numerous chitin-containing fungal pathogenes and Gram-positive bacteria, It strongly inhibits the alpha-amylase activity of insect larvae and does not inhibit proteases and mammalian alpha-amylases |
| Activity Against | Fungi: Alternaria brassicola (IC50 = 7 µg/mL), Ascochyta pisi (IC50 = 8 µg/mL), Botrytis cinera (IC50 = 10 µg/mL), Colletotrichum lindemuthianum (IC50 = 8 µg/mL), Fusarium culmorum (IC50 = 2 µg/mL), Trichoderma hamatum (IC50 = 7 µg/mL), Verticillium dahliae (IC50 = 6 µg/mL). Gram-positive bacteria: Bacillus megaterium (IC50 = 40 µg/mL), Sarcina lutea (IC50 = 250 µg/mL). |
| IC50 value | 7 µg/mL | 8 µg/mL | 10 µg/mL | 8 µg/mL | 2 µg/mL | 7 µg/mL | 6 µg/mL 40 µg/mL | 250 µg/mL |
| Sequence | VGECVRGRCPSGMCCSQFGYCGKGPKYCGR |
| Sequence Length | 30 |
| Validation | Experimental evidence at protein level |
| Average Molecular Weight (Da) | 3189.74 |
| Monoisotopic Molecular Weight (Da) | 3187.35 |
| Isoelectric Point (pI) | 8.92 |
| Method / Extraction | NMR |
| External links (Uniprot, PDB and Source Information Database) |
| Uniprot | Q9S8Z7, P27275, A0SZY3, A0SZY6, Q71U16, A0SZY5, A0SZY4, A0SZY2, A0SZY1, A0SZY0, A0SZX9 |
| NCBI | 1703289 |
| EMBL | --NA-- |
| Link to Source Databases | PhytAMP_PHYT00223, DBAASP_1135, EROP-Moscow_03985, CAMPSQ189, APD_00194 |
| Addtional Information | Synthesis Type : Ribosomal; Compared to Ac-AMP1, Ac-AMP2 contains one additional residue (Arg) at the C-terminus. Three disulfide bridges: 4,15; 9,21;14,28. NMR studies were performed by Matins JC et al. 1996 J Mol Biol 258: 322. You can rotate, zoom, and view the 3D structure here in the PDB . Updated 2/2014. |