Peptide Database

Peptide Namealpha-lactalbumin; gen. var. A; bovine (Bos taurus) with disulfide bonds

Function Ontology

Binding / Molecular interaction ▸ Binding activity

Binding / Molecular interaction ▸ Metal-binding peptide

Standard StatusStandard

Sequence Length123 amino acids

Chemical FormulaC625H962N160O197S9

DescriptionStandard

        EQLTKCEVFQELKDLKGYGGVSLPEWVCTTFHTSGYDTQAIVQNNDSTEYGLFQINNKIWCKDDQNPHSSNICNISCDKFLDDDLTDDIMCVKKILDKVGINYWLAHKALCSEKLDQWLCEKL
    

Molecular Weight14157.86 Da

Isoelectric Point (pI)4.68

Net Charge (pH 7.0)-7.97

Net Charge (pH 7.4) -8.45

Charge Density (pH 7.0) -0.0648

GRAVY Index-0.44

Hydrophobic Moment 0.61

Boman Index-0.01

Instability Index28.95

Aliphatic Index 83.17

Aromaticity 0.0976

Extinction Coeff. Reduced 27960.00

Extinction Coeff. Oxidized 28460.00

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

Amino Acid Composition

TPSA 5813.87

LogP -54.70

H-bond Donors 202.0

H-bond Acceptors 201.0

Rotatable Bonds 478.0

Heavy Atoms 991.0

Ring Count 21.0

Amide Bonds 137.0

3D PDB MODEL

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2D CHEMICAL STRUCTURE

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RECORD: Rec_0334649 VERIFIED: YES

Provenance & Taxonomy

OrganismBos taurus [Animal]

FamilyAlpha-lactalbumin

Tax ID9913;0

Structure & Mods

Configlinear peptide [Linear]

Chiralitycanonical L-amino-acid peptide [L]

DisulfideCys positions 6,28,61,73,77,91,111,120; source marks cysteine residue(s) as disulfide-bonded, exact pairing unresolved

Bio-Activity Profile

Function

Lactose Synthesis Calcium Binding

RECORD: Rec_0381318 VERIFIED: YES