Peptide Database

Peptide NamePlatelet factor 4 variant(5-74)

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

Standard StatusStandard

Sequence Length70 amino acids

Chemical FormulaC341H575N97O103S4

DescriptionStandard

        EAEEDGDLQCLCVKTTSQVRPRHITSLEVIKAGPHCPTAQLIATLKNGRKICLDLQALLYKKIIKEHLES
    

Molecular Weight7810.06 Da

Isoelectric Point (pI)7.95

Net Charge (pH 7.0)1.07

Net Charge (pH 7.4) 0.67

Charge Density (pH 7.0) 0.0153

GRAVY Index-0.23

Hydrophobic Moment 0.54

Boman Index-0.04

Instability Index38.11

Aliphatic Index 108.71

Aromaticity 0.0143

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 3231.95

LogP -30.24

H-bond Donors 114.0

H-bond Acceptors 111.0

Rotatable Bonds 269.0

Heavy Atoms 545.0

Ring Count 7.0

Amide Bonds 74.0

3D PDB MODEL

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2D CHEMICAL STRUCTURE

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RECORD: Rec_0295866 VERIFIED: YES

Provenance & Taxonomy

OrganismHomo sapiens [Animal]

Familyintercrine alpha (chemokine CxC) family

Tax ID9606; 0

Structure & Mods

Configlinear peptide [Linear]

Chiralitycanonical L-amino-acid peptide [L]

Disulfide10-36; 12-52

Bio-Activity Profile

Function

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