Peptide Database

Peptide NameSperm activating peptide, A-20

Function Ontology

Reproductive biology ▸ Male reproductive modulation

Standard StatusStandard

Sequence Length10 amino acids

Chemical FormulaC39H60N10O16

DescriptionStandard

        GFDLSSSGVG
    

Molecular Weight924.95 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 Index0.37

Hydrophobic Moment 0.23

Boman Index0.33

Instability Index51.37

Aliphatic Index 68.00

Aromaticity 0.1000

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 423.21

LogP -6.95

H-bond Donors 15.0

H-bond Acceptors 15.0

Rotatable Bonds 29.0

Heavy Atoms 65.0

Ring Count 1.0

Amide Bonds 9.0

3D PDB MODEL

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2D CHEMICAL STRUCTURE

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RECORD: Rec_0366251 VERIFIED: NO

Provenance & Taxonomy

OrganismAnthocidaris crassispina [Animal]

Structure & Mods

Configlinear peptide [Linear]

Chiralitycanonical L-amino-acid peptide [L]

Bio-Activity Profile

Function

Sperm activator