Peptide Database

Peptide Namealpha-S2-casein var. D; bovine (Bos taurus) with modified amino acid residues

Function Ontology

Annotation / Protein functional class ▸ Storage protein

Immunology ▸ Adverse immune reactivity ▸ Allergenicity ▸ Allergen

Standard StatusStandard

Sequence Length198 amino acids

Chemical FormulaC1044H1650N278O320S6

DescriptionStandard

        KNTMEHVSSSEESIISQETYKQEKNMAINPSKENLCSTFCKEVVRNANEEESAEVATEEVKITVDDKHYQKALNEINQFYQKFPQYLQYLYQGPIVLNPWDQVKRNAVPITPTLNREQLSTSEENSKKTVDMESTEVFTKKTKLTEEEKNRLNFLKKISQRYQKFALPQYLKTVYQHQKAMKPWIQPKTKVIPYVRYL
    

Molecular Weight23408.33 Da

Isoelectric Point (pI)8.83

Net Charge (pH 7.0)4.03

Net Charge (pH 7.4) 3.56

Charge Density (pH 7.0) 0.0204

GRAVY Index-0.92

Hydrophobic Moment 0.68

Boman Index-0.18

Instability Index43.35

Aliphatic Index 69.85

Aromaticity 0.0960

Extinction Coeff. Reduced 27390.00

Extinction Coeff. Oxidized 27515.00

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

Amino Acid Composition

TPSA 9873.09

LogP -127.67

H-bond Donors 333.0

H-bond Acceptors 333.0

Rotatable Bonds 697.0

Heavy Atoms 1648.0

Ring Count 34.0

Amide Bonds 227.0

3D PDB MODEL

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2D CHEMICAL STRUCTURE

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RECORD: Rec_0254936 VERIFIED: YES

Provenance & Taxonomy

OrganismBos taurus [Animal]

FamilyCasein

Tax ID9913;0

Structure & Mods

Configlinear peptide [Linear]

Chiralitynoncanonical stereochemical modification [Modified]

DisulfideCys positions 36,40; source marks cysteine residue(s) as disulfide-bonded, exact pairing unresolved

Other ModsPhosphoserine: 8,9,10,13,31,52,134

Bio-Activity Profile

Function

Allergen Storage Protein