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Piscidin 1
General Information
DCTPep ID DCTPep02083
Peptide Name Piscidin 1
Sequence FFHHIFRGIVHVGKTIHRLVTG
Sequence Length 22
UniProt ID Q8UUG0
PubChem CID 16208996
Origin Morone saxatilis (Striped bass) (Perca saxatilis)
Type Native peptide
Classification
ACP Tumor active peptide
Activity Information
| Cell Line | Disease | Activity | Assay | Testing Time | Literature |
|---|---|---|---|---|---|
| HeLa | Human papillomavirus-related endocervical adenocarcinoma | IC50=2.22 µM | MTT/MTS assay | 24 h, 48 h | 1 |
| A549 | Lung adenocarcinoma | IC50=4.2 µM | MTT/MTS assay | 24 h, 48 h | 1 |
| HT-1080 | Fibrosarcoma | IC50=5.58 µM | MTT/MTS assay | 24 h, 48 h | 1 |
| MDA-MB-231 | Breast adenocarcinoma | IC50=5.83 µM | MTT/MTS assay | 24 h, 48 h | 1 |
Hemolytic Activity Human erythrocytes: 50% Hemolysis=3.12 µg/ml; 100% Hemolysis=25 µg/ml
Normal (non-cancerous) Cytotoxicity HEK293: LC90=50 µg/ml (>90% cells killed)
Target Not available
Affinity Not available
Mechanism Not available
Structure Information
PDB ID 2MCU
Predicted Structure DCTPep02083
(Please note that there is the predicted structure, predicted by AlphaFold)
Helicity Not available
Linear/Cyclic Linear
Disulfide/Other Bond Not available
N-terminal Modification Free
C-terminal Modification Free
Other Modification None
Chiral L
Physicochemical Information
Formula C122H187N37O25
Absent amino acids ACDEMNPQSWY
Theoretical pI 12.01
Acidic residues 0
Basic residues 7
Polar residues 5
Molecular weight (Average) 2572.06
Molecular weight (Monoisotopic) 2570.45
Common amino acids H
Net charge 7
Instability index (II) 8.11
Aliphatic index 110.45
Grand average of hydropathicity (GRAVY) 0.455
Half Life
1.1 hours (mammalian reticulocytes, in vitro).
3 min (yeast, in vivo).
2 min (Escherichia coli, in vivo).
Extinction coefficients
Should not be visible by UV spectrophotometry.
Amino acid distribution
Literature Information
Literature 1
Pubmed ID 34135370
Title Copper-binding anticancer peptides from the piscidin family: an expanded mechanism that encompasses physical and chemical bilayer disruption
Doi 10.1038/s41598-021-91670-w
Year 2021
Literature 2
Pubmed ID 31354312
Title Substitution of lysine for isoleucine at the center of the nonpolar face of the antimicrobial peptide, piscidin-1, leads to an increase in the rapidity of bactericidal activity and a reduction in toxicity
Year 2019
Patent
Patent ID Not available
Patent Title Not available
Other Iinformation Not available
Other Published ID Not available
External Code
DBAASP ID DBAASPR_2370
This work is licensed under a Creative Commons Attribution 4.0 International License.