Peptide Database

Peptide NamePlatelet factor 4

Function Ontology

Binding / Molecular interaction ▸ Binding activity

Immunology ▸ Chemokine signaling ▸ Chemokine-like peptide

Immunology ▸ Immune modulation ▸ Cytokine modulation

Regulatory peptide ▸ Cell signaling / Growth factor signaling ▸ Growth factor activity

Wound healing/Regeneration ▸ Angiogenesis modulation ▸ Angiogenic

Standard StatusStandard

Sequence Length88 amino acids

Chemical FormulaC415H680N114O133S4

DescriptionStandard

        ESSFPATFVPLPADSEGGEDEDLQCVCLKTTSGINPRHISSLEVIGAGTHCPSPQLLATKKTGRKICLDQQRPLYKKILKKLLDGDES
    

Molecular Weight9522.78 Da

Isoelectric Point (pI)6.11

Net Charge (pH 7.0)-1.02

Net Charge (pH 7.4) -1.37

Charge Density (pH 7.0) -0.0116

GRAVY Index-0.42

Hydrophobic Moment 0.69

Boman Index-0.04

Instability Index61.13

Aliphatic Index 85.34

Aromaticity 0.0341

Extinction Coeff. Reduced 1490.00

Extinction Coeff. Oxidized 1740.00

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

Amino Acid Composition

TPSA 3951.21

LogP -43.57

H-bond Donors 137.0

H-bond Acceptors 138.0

Rotatable Bonds 319.0

Heavy Atoms 666.0

Ring Count 12.0

Amide Bonds 92.0

3D PDB MODEL

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2D CHEMICAL STRUCTURE

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RECORD: Rec_0035568 VERIFIED: YES

Provenance & Taxonomy

OrganismBos taurus [Animal]

Familyintercrine alpha (chemokine CxC) family

Tax ID9913; 0

Structure & Mods

Configlinear peptide [Linear]

Chiralitycanonical L-amino-acid peptide [L]

Disulfide25-51; 27-67

Other Mods41-Ser: Phosphoserine

Bio-Activity Profile

Function

Cytokine Growth factor intercrine alpha (chemokine CxC) family Chemokine-like Angiogenic Heparin-binding