Peptide Database

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

Function Ontology

Antimicrobial

Standard StatusStandard

Sequence Length142 amino acids

Chemical FormulaC730H1161N191O211S8

DescriptionStandard

        MTKPLLLSLIFFIIPAALAVDVDQSKNEVKAQRYFGSISISNANVKQCVWFAMKEYNKGSEDKYLFLLDKTLHATLQITDRMEYHIDVQISRSNCRKPLNNTENCIPQKNPKLEKKLSCSFLVGALPWNGEFDLLSKECKDV
    

Molecular Weight16245.70 Da

Isoelectric Point (pI)8.57

Net Charge (pH 7.0)2.64

Net Charge (pH 7.4) 2.20

Charge Density (pH 7.0) 0.0186

GRAVY Index-0.24

Hydrophobic Moment 0.57

Boman Index-0.00

Instability Index28.83

Aliphatic Index 93.38

Aromaticity 0.0915

Extinction Coeff. Reduced 16960.00

Extinction Coeff. Oxidized 17210.00

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

Amino Acid Composition

TPSA 6531.36

LogP -57.43

H-bond Donors 225.0

H-bond Acceptors 224.0

Rotatable Bonds 551.0

Heavy Atoms 1140.0

Ring Count 23.0

Amide Bonds 157.0

3D PDB MODEL

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2D CHEMICAL STRUCTURE

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RECORD: Rec_0227470 VERIFIED: NO

Provenance & Taxonomy

OrganismRattus norvegicus [Animal]

FamilyCystatin

Tax ID10116

Structure & Mods

Configlinear peptide [Linear]

Chiralitycanonical L-amino-acid peptide [L]

Bio-Activity Profile

Function

Antimicrobial