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_2071
Peptide NameEp-AMP1
PMID(s)25821084
Plant Source (Scientific Name)Echinopsis pachanoi
Plant Source (Common Name)San Pedro cactus
Plant FamilyCactaceae
Peptide FamilyCyclotide
Peptide FunctionAntibacterial, Anticancer, Antifungal
Peptide Function DescriptionTarget site- Lipid Bilayer, Cysteine-knot peptide shows rapid bactericidal action and liposome leakage that implicates membrane permeabilisation
Activity AgainstStaphylococcus aureus (MBC: 1.25 µM), Escherichia coli(MBC: 10 µM), Pseudomonas aeruginosa (MBC: 80 µM), Candida albicans (MBC: >160 µM), Human histiocytic lymphoma U-937/GTB(IC50: >100 µM), Staphylococcus aureus, Staphylococcus aureus, Escherichia coli, Escherichia coli, Pseudomonas aeruginosa, Pseudomonas aeruginosa, Candida albicans, Candida albicans
IC50 value>100 µM
SequenceCVLIGQRCDNDRGPRCCSGQGNCVPLPFLGGVCAV
Sequence Length35
ValidationExperimental evidence at protein level
Average Molecular Weight (Da)3608.22
Monoisotopic Molecular Weight (Da)3605.66
Isoelectric Point (pI)7.78
Method / ExtractionNMR


Secondary Information
Tertiary Structure and DSSP ReportClick to View Structure
Physico-Chemical Properties of peptidesClick to View Physico-Chemical Details of PPepDB_2071


External links (Uniprot, PDB and Source Information Database)
Uniprot--NA--
NCBI--NA--
EMBL--NA--
Link to Source DatabasesDBAASP_7862, APD_02627
Addtional InformationSynthesis Type: Ribosomal; 99% Killing & 50% Killing against Staphylococcus aureus at 0.63 µM & 0.31 µM respectively; 99% Killing & 50% Killing against Escherichia coli at 2.5 µM & 2.5 µM respectively; 99% Killing & 50% Killing against Pseudomonas aeruginosa at 10 µM & 10 µM respectively; 99% Killing & 50% Killing against Candida albicans at >160 µM &160 µM respectively / APD analysis reveals that the sequence of this peptide most resembles (43.6% similarity) Mj-AMP2. Mol Wt: 3590.266; mol formula: C148H246N46O45S6; GRAVY: 0.28. Its activity was more than 500 times higher against bacterial than against eukaryotic cells. Active against S. aureus (MBC 1.25 uM), E. coli (MBC 0.31 uM), and P. aeruginosa (MBC 10 uM, 99% death; 80 uM for 100% death). Ep-AMP1 targets bacterial membranes. You can rotate, zoom, and view the 3D structure here in the PDB . Activity provided by the authors.