Peptide Database

Peptide NameEppin (Cancer testis antigen 71) (CT71) (Epididymal protease inhibitor) (Protease inhibitor WAP7) (Serine protease inhibitor-like with Kunitz and WAP domains 1) (WAP four-disulfide core domain protein 7)

Function Ontology

Antimicrobial

Enzyme modulation ▸ Enzyme inhibition ▸ Protease inhibition

Other / Curated residual function label ▸ Generic enzyme inhibition annotation

Toxicity / Safety ▸ Negative safety assay result ▸ Non-hemolytic

Standard StatusStandard

Sequence Length133 amino acids

Chemical FormulaC666H1038N186O193S17

DescriptionStandard

        MGSSGLLSLLVLFVLLANVQGPGLTDWLFPRRCPKIREECEFQERDVCTKDRQCQDNKKCCVFSCGKKCLDLKQDVCEMPKETGPCLAYFLHWWYDKKDNTCSMFVYGGCQGNNNNFQSKANCLNTCKNKRFP
    

Molecular Weight15283.60 Da

Isoelectric Point (pI)8.52

Net Charge (pH 7.0)4.46

Net Charge (pH 7.4) 3.95

Charge Density (pH 7.0) 0.0335

GRAVY Index-0.47

Hydrophobic Moment 0.48

Boman Index-0.09

Instability Index47.01

Aliphatic Index 61.50

Aromaticity 0.1053

Extinction Coeff. Reduced 20970.00

Extinction Coeff. Oxidized 21845.00

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

Amino Acid Composition

TPSA 6175.44

LogP -62.63

H-bond Donors 222.0

H-bond Acceptors 216.0

Rotatable Bonds 511.0

Heavy Atoms 1062.0

Ring Count 24.0

Amide Bonds 149.0

3D PDB MODEL

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2D CHEMICAL STRUCTURE

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RECORD: Rec_0121490 VERIFIED: YES

Provenance & Taxonomy

OrganismHomo sapiens [Animal]

Tax ID9606

Structure & Mods

Configlinear peptide [Linear]

Chiralitycanonical L-amino-acid peptide [L]

Bio-Activity Profile

Function

Antimicrobial Protease inhibitor Serine protease inhibitor Enzyme Inhibitor Non-hemolytic

TargetNo Target Organism Found