Peptide Database

Peptide NameCystatin-8 (Cystatin-related epididymal spermatogenic protein)

Function Ontology

Antimicrobial

Standard StatusStandard

Sequence Length142 amino acids

Chemical FormulaC727H1188N196O207S9

DescriptionStandard

        MPRCRWLSLILLTIPLALVARKDPKKNETGVLRKLKPVNASNANVKQCLWFAMQEYNKESEDKYVFLVVKTLQAQLQVTNLLEYLIDVEIARSDCRKPLSTNEICAIQENSKLKRKLSCSFLVGALPWNGEFTVMEKKCEDA
    

Molecular Weight16274.98 Da

Isoelectric Point (pI)9.05

Net Charge (pH 7.0)5.46

Net Charge (pH 7.4) 5.11

Charge Density (pH 7.0) 0.0384

GRAVY Index-0.19

Hydrophobic Moment 0.54

Boman Index-0.04

Instability Index40.02

Aliphatic Index 100.92

Aromaticity 0.0704

Extinction Coeff. Reduced 20970.00

Extinction Coeff. Oxidized 21345.00

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

Amino Acid Composition

TPSA 6571.71

LogP -55.52

H-bond Donors 230.0

H-bond Acceptors 222.0

Rotatable Bonds 556.0

Heavy Atoms 1139.0

Ring Count 19.0

Amide Bonds 156.0

3D PDB MODEL

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2D CHEMICAL STRUCTURE

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RECORD: Rec_0220421 VERIFIED: NO

Provenance & Taxonomy

OrganismHomo sapiens [Animal]

FamilyCystatin

Tax ID9606

Structure & Mods

Configlinear peptide [Linear]

Chiralitycanonical L-amino-acid peptide [L]

Bio-Activity Profile

Function

Antimicrobial