Peptide Database

Peptide NameSperm activating peptide

Function Ontology

Reproductive biology ▸ Male reproductive modulation

Standard StatusStandard

Sequence Length9 amino acids

Chemical FormulaC44H71N11O12S2

DescriptionStandard

        KFCPEGKCV
    

Molecular Weight1010.23 Da

Isoelectric Point (pI)8.05

Net Charge (pH 7.0)0.74

Net Charge (pH 7.4) 0.50

Charge Density (pH 7.0) 0.0823

GRAVY Index-0.14

Hydrophobic Moment 0.39

Boman Index-0.03

Instability Index31.79

Aliphatic Index 32.22

Aromaticity 0.1111

Extinction Coeff. Reduced 0.00

Extinction Coeff. Oxidized 125.00

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

Amino Acid Composition

TPSA 376.67

LogP -2.70

H-bond Donors 14.0

H-bond Acceptors 15.0

Rotatable Bonds 32.0

Heavy Atoms 69.0

Ring Count 2.0

Amide Bonds 8.0

3D PDB MODEL

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2D CHEMICAL STRUCTURE

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RECORD: Rec_0305307 VERIFIED: NO

Provenance & Taxonomy

OrganismStomopneutes variolaris [Animal]

Structure & Mods

Configdisulfide-stabilized linear peptide [Linear]

Chiralitycanonical L-amino-acid peptide [L]

Disulfide3-8

Bio-Activity Profile

Function

Sperm Activator