Peptide Database

Peptide NameColicin-B

Function Ontology

Antimicrobial

Antimicrobial ▸ Antibacterial ▸ Anti-Gram-negative

Antimicrobial ▸ Antibiotic activity

Toxicity / Safety ▸ Negative safety assay result ▸ Non-hemolytic

Standard StatusStandard

Sequence Length266 amino acids

Chemical FormulaC1241H1964N342O395S9

DescriptionStandard

        MSDNEGSVPTEGIDYGDTMVVWPSTGRIPGGDVKPGGSSGLAPSMPPGWGDYSPQGIALVQSVLFPGIIRRIILDKELEEGDWSGWSVSVHSPWGNEKVSAARTVLENGLRGGLPEPSRPAAVSFARLEPASGNEQKIIRLMVTQQLEQVTDIPASQLPAAGNNVPVKYRLTDLMQNGTQYMAIIGGIPMTVPVVDAVPVPDRSRPGTNIKDVYSAPVSPNLPDLVLSVGQMNTPVRSNPEIQEDGVISETGNYVEAGYTMSSNNH
    

Molecular Weight28283.51 Da

Isoelectric Point (pI)4.62

Net Charge (pH 7.0)-11.28

Net Charge (pH 7.4) -11.65

Charge Density (pH 7.0) -0.0424

GRAVY Index-0.27

Hydrophobic Moment 0.64

Boman Index0.08

Instability Index52.04

Aliphatic Index 83.46

Aromaticity 0.0526

Extinction Coeff. Reduced 37930.00

Extinction Coeff. Oxidized 37930.00

The radar chart summarizes major physicochemical dimensions for quick comparison, while exact numerical values remain listed on the left.

Amino Acid Composition

3D PDB MODEL

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2D CHEMICAL STRUCTURE

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RECORD: Rec_0258070 VERIFIED: YES

Provenance & Taxonomy

OrganismEscherichia coli [Bacterium]

FamilyPyocin/Colicin

Tax ID562

Structure & Mods

Configgene-encoded linear polypeptide [Linear]

Chiralitycanonical L-amino-acid peptide [L]

Bio-Activity Profile

Function

Antibiotic Antimicrobial Bacteriocin Anti-Gram-negative Non-hemolytic Non-ribosomal

TargetEscherichia coli