Peptide Database

Peptide NameSperm activating peptide IIId

Function Ontology

Reproductive biology ▸ Male reproductive modulation

Standard StatusStandard

Sequence Length9 amino acids

Chemical FormulaC36H61N11O16

DescriptionStandard

        SDSAQNLIG
    

Molecular Weight903.93 Da

Isoelectric Point (pI)4.05

Net Charge (pH 7.0)-1.54

Net Charge (pH 7.4) -1.75

Charge Density (pH 7.0) -0.1710

GRAVY Index-0.27

Hydrophobic Moment 0.39

Boman Index0.07

Instability Index30.29

Aliphatic Index 97.78

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 460.06

LogP -7.38

H-bond Donors 15.0

H-bond Acceptors 15.0

Rotatable Bonds 30.0

Heavy Atoms 63.0

Ring Count 0.0

Amide Bonds 10.0

3D PDB MODEL

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2D CHEMICAL STRUCTURE

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RECORD: Rec_0074329 VERIFIED: NO

Provenance & Taxonomy

OrganismClypeaster japonicus [Animal]

Structure & Mods

Configlinear peptide [Linear]

Chiralitycanonical L-amino-acid peptide [L]

Bio-Activity Profile

Function

Sperm Activator