Peptide Database

Peptide NameSperm activating peptide IIIg

Function Ontology

Reproductive biology ▸ Male reproductive modulation

Standard StatusStandard

Sequence Length10 amino acids

Chemical FormulaC39H66N12O17

DescriptionStandard

        GTDSAQNLIG
    

Molecular Weight975.01 Da

Isoelectric Point (pI)4.05

Net Charge (pH 7.0)-1.24

Net Charge (pH 7.4) -1.44

Charge Density (pH 7.0) -0.1239

GRAVY Index-0.27

Hydrophobic Moment 0.40

Boman Index0.13

Instability Index19.77

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 489.16

LogP -7.87

H-bond Donors 16.0

H-bond Acceptors 16.0

Rotatable Bonds 32.0

Heavy Atoms 68.0

Ring Count 0.0

Amide Bonds 11.0

3D PDB MODEL

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2D CHEMICAL STRUCTURE

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RECORD: Rec_0349441 VERIFIED: NO

Provenance & Taxonomy

OrganismClypeaster japonicus [Animal]

Structure & Mods

Configlinear peptide [Linear]

Chiralitycanonical L-amino-acid peptide [L]

Bio-Activity Profile

Function

Sperm Activator