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MYP_135131
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Basic Information
Esculentin-1B
Anticancer ▸ Cytotoxic anticancer activity ▸ Cytotoxic
Antimicrobial
Antimicrobial ▸ Antibacterial
Antimicrobial ▸ Antibacterial ▸ Anti-Gram-negative
Antimicrobial ▸ Antibacterial ▸ Anti-Gram-positive
Hormonal / Endocrine ▸ Hormone peptide
Toxicity / Safety ▸ Blood cell toxicity ▸ Hemolysis ▸ Hemolytic
Toxicity / Safety ▸ Cytolysis / cell lysis ▸ Cytolytic activity
Toxicity / Safety ▸ Cytotoxicity ▸ Cytotoxic
Toxicity / Safety ▸ Negative safety assay result ▸ Non-hemolytic
Venom / Toxin ▸ General toxin ▸ Cytotoxic
Venom / Toxin ▸ General toxin ▸ Toxic
Standard
46 amino acids
C212H371N59O60S3
Standard
Sequence
GIFSKLAGKKLKNLLISGLKNVGKEVGMDVVRTGIDIAGCKIKGEC
Physicochemical Analysis
4802.77 Da
9.63
4.74
4.49
0.1030
0.20
0.59
0.09
-8.14
114.35
0.0217
0.00
125.00
The radar chart summarizes major physicochemical dimensions for quick comparison, while exact numerical values remain listed on the left.
Residue Composition
Amino Acid Composition
Chemical Descriptors
1938.95
-17.66
69.0
68.0
175.0
334.0
1.0
47.0
Structural Visualization
3D PDB MODEL
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2D CHEMICAL STRUCTURE
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Experimental Records
RECORD: Rec_0152523 VERIFIED: YES
Provenance & Taxonomy
Rana esculenta [Animal]
Esculentin
Structure & Mods
Single-chain peptide backbone represented as a linear sequence entry [Linear]
canonical L-amino-acid peptide [L]
Bio-Activity Profile
Antimicrobial Antibacterial Anti-Gram-positive Anti-Gram-negative
C.ablicans
0.5 μM
MIC
PMID8163497 Evidence URLhttps://pubmed.ncbi.nlm.nih.gov/8163497/
RECORD: Rec_0163456 VERIFIED: YES
Provenance & Taxonomy
Rana esculenta [Animal]
Esculentin
Structure & Mods
Single-chain peptide backbone represented as a linear sequence entry [Linear]
canonical L-amino-acid peptide [L]
Bio-Activity Profile
Hemolytic
Red Blood Cells
100 μM
Hemolysis
PMID8163497 Evidence URLhttps://pubmed.ncbi.nlm.nih.gov/8163497/
RECORD: Rec_0181369 VERIFIED: YES
Provenance & Taxonomy
Pelophylax saharicus [Animal]
Esculentin
Structure & Mods
Linear peptide with a single intramolecular disulfide-stabilized loop [Linear]
Gene-encoded natural peptide composed of standard L-amino acids [L]
40-46
Bio-Activity Profile
Antimicrobial Antibacterial Insulin releasing
PaperL. Marenah et al. / Journal of Endocrinology 188 (2006) 1-9. Skin secretions of Rana saharica frogs reveal antimicrobial peptides esculentins-1 and -1B and brevinins-1E and -2EC with novel insulin releasing activity Evidence URLhttps://www.uniprot.org/uniprotkb/P84841/entry
RECORD: Rec_0194714 VERIFIED: YES
Provenance & Taxonomy
Rana esculenta [Plant]
Esculentin
Structure & Mods
disulfide-constrained cyclic peptide [Cyclic]
canonical L-amino-acid peptide [L]
None
Cyclization
40-46
Bio-Activity Profile
Antimicrobial Antibacterial Anti-Gram-positive Anti-Gram-negative
Saccharomyces cerevisiae
0.9 μM
MIC
PMID8163497 Evidence URLhttps://pubmed.ncbi.nlm.nih.gov/8163497/
RECORD: Rec_0208272 VERIFIED: YES
Provenance & Taxonomy
Pelophylax saharicus [Animal]
Frog skin active peptide (FSAP); Esculentin subfamily
Structure & Mods
linear peptide [Linear]
canonical L-amino-acid peptide [L]
Bio-Activity Profile
Antimicrobial Non-hemolytic
PMID16394170 Evidence URLhttps://pubmed.ncbi.nlm.nih.gov/16394170/
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