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_3969
Peptide NameAntimicrobial 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 FamilyAmaranthaceae
Peptide FamilyHevein
Peptide FunctionAntibacterial, Antifungal, Alpha-amylase-inhibitor
Peptide Function Descriptionis 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 AgainstFungi: 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 value7 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
SequenceVGECVRGRCPSGMCCSQFGYCGKGPKYCGR
Sequence Length30
ValidationExperimental evidence at protein level
Average Molecular Weight (Da)3189.74
Monoisotopic Molecular Weight (Da)3187.35
Isoelectric Point (pI)8.92
Method / ExtractionNMR


Secondary Information
Tertiary Structure and DSSP ReportClick to View Structure
Physico-Chemical Properties of peptidesClick to View Physico-Chemical Details of PPepDB_3969


External links (Uniprot, PDB and Source Information Database)
UniprotQ9S8Z7, P27275, A0SZY3, A0SZY6, Q71U16, A0SZY5, A0SZY4, A0SZY2, A0SZY1, A0SZY0, A0SZX9
NCBI1703289
EMBL--NA--
Link to Source DatabasesPhytAMP_PHYT00223, DBAASP_1135, EROP-Moscow_03985, CAMPSQ189, APD_00194
Addtional InformationSynthesis 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.