Peptide Database

Peptide NameAlpha-S1-casein (1-34)

Function Ontology

Antimicrobial

Antimicrobial ▸ Antibacterial

Antimicrobial ▸ Antibacterial ▸ Anti-Gram-negative

Antimicrobial ▸ Antibacterial ▸ Anti-Gram-positive

Standard StatusStandard

Sequence Length34 amino acids

Chemical FormulaC188H289N51O45

DescriptionStandard

        RPKHPIKHQGLPQEVLNENLLRFFVAPFPEVFGK
    

Molecular Weight3983.62 Da

Isoelectric Point (pI)9.70

Net Charge (pH 7.0)1.94

Net Charge (pH 7.4) 1.63

Charge Density (pH 7.0) 0.0571

GRAVY Index-0.44

Hydrophobic Moment 0.54

Boman Index-0.00

Instability Index54.29

Aliphatic Index 85.88

Aromaticity 0.1176

Extinction Coeff. Reduced 0.00

Extinction Coeff. Oxidized 0.00

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

Amino Acid Composition

TPSA 1523.15

LogP -8.90

H-bond Donors 48.0

H-bond Acceptors 49.0

Rotatable Bonds 126.0

Heavy Atoms 284.0

Ring Count 11.0

Amide Bonds 37.0

3D PDB MODEL

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2D CHEMICAL STRUCTURE

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RECORD: Rec_0418634 VERIFIED: YES

Provenance & Taxonomy

Organismsynthetic construct [Synthetic]

Tax ID32630

Structure & Mods

Configlinear peptide [Linear]

Chiralitycanonical L-amino-acid peptide [L]

Bio-Activity Profile

Function

Antimicrobial Antibacterial

TargetEscherichia coli NEB5alpha

Activity125 μg/mL

MethodMIC

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