Peptide Database

Peptide NameSperm activating peptide I

Function Ontology

Reproductive biology ▸ Male reproductive modulation

Standard StatusStandard

Sequence Length10 amino acids

Chemical FormulaC40H66N12O19

DescriptionStandard

        DSDSAQNLIG
    

Molecular Weight1019.02 Da

Isoelectric Point (pI)4.05

Net Charge (pH 7.0)-2.24

Net Charge (pH 7.4) -2.44

Charge Density (pH 7.0) -0.2238

GRAVY Index-0.59

Hydrophobic Moment 0.28

Boman Index-0.03

Instability Index47.52

Aliphatic Index 88.00

Aromaticity 0.0000

Extinction Coeff. Reduced 0.00

Extinction Coeff. Oxidized 0.00

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

Amino Acid Composition

TPSA 526.46

LogP -8.42

H-bond Donors 17.0

H-bond Acceptors 17.0

Rotatable Bonds 34.0

Heavy Atoms 71.0

Ring Count 0.0

Amide Bonds 11.0

3D PDB MODEL

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2D CHEMICAL STRUCTURE

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RECORD: Rec_0419133 VERIFIED: NO

Provenance & Taxonomy

OrganismClypeaster japonicus [Animal]

Structure & Mods

Configlinear peptide [Linear]

Chiralitycanonical L-amino-acid peptide [L]

Bio-Activity Profile

Function

Sperm activator