Peptide Database

Peptide NameCystatin-A

Function Ontology

Binding / Molecular interaction

Binding / Molecular interaction ▸ Cell adhesion

Enzyme / Catalytic activity ▸ Protease

Enzyme modulation ▸ Enzyme inhibition ▸ Inhibitor

Standard StatusStandard

Sequence Length98 amino acids

Chemical FormulaC492H586N126O57S2

DescriptionStandard

        MIPGGLSEAKPATPEIQEIVDKVKPQLEEKTNETYGKLEAVQYKTQVVAGTNYYIKVRAGDNKYMHLKVFKSLPGQNEDLVLTGYQVDKNKDDELTGF
    

Molecular Weight11006.35 Da

Isoelectric Point (pI)5.18

Net Charge (pH 7.0)-1.90

Net Charge (pH 7.4) -1.98

Charge Density (pH 7.0) -0.0194

GRAVY Index-0.68

Hydrophobic Moment 0.16

Boman Index-0.06

Instability Index22.53

Aliphatic Index 79.49

Aromaticity 0.0918

Extinction Coeff. Reduced 8940.00

Extinction Coeff. Oxidized 8940.00

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

Amino Acid Composition

TPSA 3843.47

LogP 11.34

H-bond Donors 67.0

H-bond Acceptors 156.0

Rotatable Bonds 207.0

Heavy Atoms 691.0

Ring Count 14.0

Amide Bonds 192.0

3D PDB MODEL

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2D CHEMICAL STRUCTURE

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RECORD: Rec_0431036 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 Cell adhesion Enzyme inhibitory Protease inhibitor