Peptide Database

Peptide NameProtein S100-A4

Function Ontology

Binding / Molecular interaction

Binding / Molecular interaction ▸ Calcium binding

Binding / Molecular interaction ▸ Metal binding

Standard StatusStandard

Sequence Length101 amino acids

Chemical FormulaC519H611N135O55S9

DescriptionStandard

        MACPLEKALDVMVSTFHKYSGKEGDKFKLNKSELKELLTRELPSFLGKRTDEAAFQKLMSNLDSNRDNEVDFQEYCVFLSCIAMMCNEFFEGFPDKQPRKK
    

Molecular Weight11728.40 Da

Isoelectric Point (pI)5.74

Net Charge (pH 7.0)-1.14

Net Charge (pH 7.4) -1.54

Charge Density (pH 7.0) -0.0113

GRAVY Index-0.56

Hydrophobic Moment 0.04

Boman Index-0.12

Instability Index37.65

Aliphatic Index 62.77

Aromaticity 0.1188

Extinction Coeff. Reduced 2980.00

Extinction Coeff. Oxidized 3230.00

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

Amino Acid Composition

TPSA 3939.58

LogP 17.15

H-bond Donors 72.0

H-bond Acceptors 165.0

Rotatable Bonds 221.0

Heavy Atoms 727.0

Ring Count 16.0

Amide Bonds 200.0

3D PDB MODEL

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2D CHEMICAL STRUCTURE

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RECORD: Rec_0430953 VERIFIED: NO

Provenance & Taxonomy

OrganismHomo sapiens [other]

Tax ID9606

Structure & Mods

Configlinear peptide [Linear]

Chiralitycanonical L-amino-acid peptide [L]

N-TermNone

C-TermNone

Bio-Activity Profile

Function

Binding / Molecular interaction Calcium binding Metal binding