Peptide Database

Peptide NameCasein alpha-s1 [091-095]

Function Ontology

Neurological / Signaling ▸ Analgesic/opioid activity ▸ Opioid

Standard StatusStandard

Sequence Length5 amino acids

Chemical FormulaC32H45N5O8

DescriptionStandard

        YLGYL
    

Molecular Weight627.73 Da

Isoelectric Point (pI)5.52

Net Charge (pH 7.0)-0.24

Net Charge (pH 7.4) -0.45

Charge Density (pH 7.0) -0.0484

GRAVY Index0.92

Hydrophobic Moment 0.29

Boman Index0.62

Instability Index-8.98

Aliphatic Index 156.00

Aromaticity 0.4000

Extinction Coeff. Reduced 2980.00

Extinction Coeff. Oxidized 2980.00

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

Amino Acid Composition

TPSA 220.18

LogP 0.96

H-bond Donors 8.0

H-bond Acceptors 8.0

Rotatable Bonds 17.0

Heavy Atoms 45.0

Ring Count 2.0

Amide Bonds 4.0

3D PDB MODEL

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2D CHEMICAL STRUCTURE

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RECORD: Rec_0022173 VERIFIED: YES

Provenance & Taxonomy

OrganismBos taurus [Animal]

FamilyCasein-derived peptide

Tax ID9913

Structure & Mods

Configlinear peptide [Linear]

Chiralitycanonical L-amino-acid peptide [L]

Bio-Activity Profile

Function

Opioid

TargetDisplacement of [3H]DALAMID from rat brain membranes

Activity16.0 μM

MethodIC50