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_2101
Peptide NameSesquin
PMID(s)15949629
Plant Source (Scientific Name)Vigna unguiculata subsp.sesquipedalis
Plant Source (Common Name)cowpea
Plant FamilyFabaceae
Peptide FamilyDefensin
Peptide FunctionAntibacterial, Antifungal, Antiviral, Anti-HIV, Anticancer
Peptide Function DescriptionTarget site: lipid bilayer ; It shows antifungal and antibacterial activity and inhibit the growth of bacteria. It also exerted antiproliferative activity toward breast cancer (MCF-7) cells and leukemia M1 cells. It also exhibit some inhibitory activity toward human immunodeficiency virus-type 1 reverse transcriptase.
Activity AgainstBotrytis cinerea(IC50: 2.5 ±0.01 µM), Botrytis cinerea(IC50: 9.54 ±0.11 µM), Botrytis cinerea(IC50: 8.68 ±0.01 µM), Fusarium oxysporum(IC50: 1.4 ±0.02 µM), Fusarium oxysporum (IC50: 8.1 ±0.07 µM), Fusarium oxysporum(IC50: 7.7 ±0.06 µM ), Mycosphaerella arachidicola(IC50: 0.15 ±0.002 µM), Mycosphaerella arachidicola(IC50: 0.54 ±0.04 µM), Mycosphaerella arachidicola(IC50: 0.84 ±0.02 µM), Proteus vulgaris(IC50: 75 ±6 µM), Mycobacterium phlei (IC50: 87 ±5 µM), Bacillus megaterium(IC50: 105 ±5 µM), Bacillus subtilis(IC50: 98 ±2 µM), Proteus vulgaris, Mycobacterium phlei, Bacillus megaterium, Bacillus subtilis
IC50 value2.5 ±0.01 µM | 9.54 ±0.11 µM | 8.68 ±0.01 µM | 1.4 ±0.02 µM | 8.1 ±0.07 µM | 7.7 ±0.06 µM | 0.15 ±0.002 µM | 0.54 ±0.04 µM | 0.84 ±0.02 µM | 75 ±6 µM | 87 ±5 µM | 105 ±5 µM | 98 ±2 µM
SequenceKTCENLADTY
Sequence Length10
ValidationExperimental evidence at protein level
Average Molecular Weight (Da)1157.26
Monoisotopic Molecular Weight (Da)1156.51
Isoelectric Point (pI)4.37
Method / ExtractionAffi-gel blue gel, Mono S and Superdex 75 columns


Secondary Information
Tertiary Structure and DSSP ReportClick to View Structure
Physico-Chemical Properties of peptidesClick to View Physico-Chemical Details of PPepDB_2101


External links (Uniprot, PDB and Source Information Database)
UniprotP84868
NCBI109894868
EMBL--NA--
Link to Source DatabasesDBAASP_500, CAMPSQ7, APD_00553
Addtional InformationSynthesis Type : Ribosomal; Exerted antiproliferative activity toward breast cancer (MCF-7) cells and leukemia M1 cells , Sesquin also inhibits HIV-1 reverse transcriptase; Warning: Only the N-terminal sequence of this 7 kDa peptide is available. Active against fungi B. cinerea, F.oxysporum, and M. arachidicola. Inhibit leukemia cells M1 abd breast cancer cells MCF-7. HIV (50 uM inhibit 35%). MOA: see reference title. Updated 12/2017.