Peptide Database

Peptide NameCystatin-B

Function Ontology

Enzyme / Catalytic activity ▸ Protease

Enzyme modulation ▸ Enzyme inhibition ▸ Inhibitor

Standard StatusStandard

Sequence Length98 amino acids

Chemical FormulaC499H573N135O51S3

DescriptionStandard

        MMCGAPSATQPATAETQHIADQVRSQLEEKENKKFPVFKAVSFKSQVVAGTNYFIKVHVGDEDFVHLRVFQSLPHENKPLTLSNYQTNKAKHDELTYF
    

Molecular Weight11139.45 Da

Isoelectric Point (pI)7.45

Net Charge (pH 7.0)0.40

Net Charge (pH 7.4) 0.04

Charge Density (pH 7.0) 0.0041

GRAVY Index-0.55

Hydrophobic Moment 0.12

Boman Index-0.04

Instability Index39.30

Aliphatic Index 66.63

Aromaticity 0.1531

Extinction Coeff. Reduced 4470.00

Extinction Coeff. Oxidized 4470.00

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

Amino Acid Composition

TPSA 3812.20

LogP 13.92

H-bond Donors 65.0

H-bond Acceptors 157.0

Rotatable Bonds 191.0

Heavy Atoms 697.0

Ring Count 20.0

Amide Bonds 198.0

3D PDB MODEL

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2D CHEMICAL STRUCTURE

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RECORD: Rec_0431005 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

Enzyme inhibitory Protease inhibitor