Peptide Database

Peptide NameCasein beta [060-080] [P8], beta-Casomorphin-21 [P8]

Function Ontology

Neurological / Signaling ▸ Neuropeptide activity ▸ Neuropeptide

Standard StatusStandard

Sequence Length21 amino acids

Chemical FormulaC108H163N25O30

DescriptionStandard

        YPFPGPIPNSLPQNIPPLTQT
    

Molecular Weight2291.60 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) -0.0115

GRAVY Index-0.46

Hydrophobic Moment 0.41

Boman Index0.20

Instability Index75.85

Aliphatic Index 74.29

Aromaticity 0.0952

Extinction Coeff. Reduced 1490.00

Extinction Coeff. Oxidized 1490.00

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

Amino Acid Composition

TPSA 837.07

LogP -7.32

H-bond Donors 23.0

H-bond Acceptors 30.0

Rotatable Bonds 59.0

Heavy Atoms 163.0

Ring Count 9.0

Amide Bonds 24.0

3D PDB MODEL

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2D CHEMICAL STRUCTURE

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RECORD: Rec_0013305 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

Neuropeptide

TargetMyenteric plexus of guinea pig ileum longitudianal muscle

Activity8.4 μM

MethodIC50