Peptide Database

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

Function Ontology

Binding / Molecular interaction ▸ Binding activity

Binding / Molecular interaction ▸ Metal-binding peptide

Standard StatusStandard

Sequence Length122 amino acids

Chemical FormulaC620H955N161O195S9

DescriptionStandard

        EQLTKCEVFRELKDLKGYGGVSLPEWVCTTFHTSGYDTQAIVQNNDSTEYGLFQINNKIWCKDDQNPHSSNICNISCDKFLDDDLTDDIMCVKKILDKVGNYWLAHKALCSEKLDQWLCEKL
    

Molecular Weight14072.76 Da

Isoelectric Point (pI)4.80

Net Charge (pH 7.0)-6.97

Net Charge (pH 7.4) -7.45

Charge Density (pH 7.0) -0.0571

GRAVY Index-0.49

Hydrophobic Moment 0.70

Boman Index-0.04

Instability Index27.53

Aliphatic Index 80.66

Aromaticity 0.0984

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 5803.58

LogP -55.23

H-bond Donors 203.0

H-bond Acceptors 200.0

Rotatable Bonds 475.0

Heavy Atoms 985.0

Ring Count 21.0

Amide Bonds 135.0

3D PDB MODEL

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2D CHEMICAL STRUCTURE

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RECORD: Rec_0337778 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 6,28,61,73,77,91,110,119; source marks cysteine residue(s) as disulfide-bonded, exact pairing unresolved

Bio-Activity Profile

Function

Lactose Synthesis Calcium Binding