Peptide Database

Peptide NameAlpha-S1-casein (1-36)

Function Ontology

Antimicrobial

Antimicrobial ▸ Antibacterial

Antimicrobial ▸ Antibacterial ▸ Anti-Gram-negative

Antimicrobial ▸ Antibacterial ▸ Anti-Gram-positive

Standard StatusStandard

Sequence Length36 amino acids

Chemical FormulaC199H308N54O49

DescriptionStandard

        RPKHPIKHQGLPQEVLNENLLRFFVAPFPEVFGKEK
    

Molecular Weight4240.91 Da

Isoelectric Point (pI)9.52

Net Charge (pH 7.0)1.94

Net Charge (pH 7.4) 1.63

Charge Density (pH 7.0) 0.0539

GRAVY Index-0.62

Hydrophobic Moment 0.54

Boman Index-0.06

Instability Index51.83

Aliphatic Index 81.11

Aromaticity 0.1111

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 1644.67

LogP -9.94

H-bond Donors 52.0

H-bond Acceptors 53.0

Rotatable Bonds 137.0

Heavy Atoms 302.0

Ring Count 11.0

Amide Bonds 39.0

3D PDB MODEL

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2D CHEMICAL STRUCTURE

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RECORD: Rec_0298008 VERIFIED: YES

Provenance & Taxonomy

OrganismBos taurus [Animal]

Familyalpha-S1-Casein-derived

Tax ID9913

Structure & Mods

Configsynthetic linear peptide [Linear]

Chiralitycanonical L-amino-acid peptide [L]

Bio-Activity Profile

Function

Antimicrobial Antibacterial Anti-Gram-positive Anti-Gram-negative

TargetEscherichia coli; Bacillus subtilis

Activity4 μM

MethodMIC

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