Peptide Database

Peptide NameSperm activating peptide-9

Function Ontology

Reproductive biology ▸ Male reproductive modulation

Standard StatusStandard

Sequence Length9 amino acids

Chemical FormulaC36H52N10O10S2

DescriptionStandard

        GCPWGGAVC
    

Molecular Weight848.99 Da

Isoelectric Point (pI)5.51

Net Charge (pH 7.0)-0.26

Net Charge (pH 7.4) -0.49

Charge Density (pH 7.0) -0.0289

GRAVY Index0.81

Hydrophobic Moment 0.17

Boman Index0.52

Instability Index19.84

Aliphatic Index 43.33

Aromaticity 0.1111

Extinction Coeff. Reduced 5500.00

Extinction Coeff. Oxidized 5625.00

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

Amino Acid Composition

TPSA 303.12

LogP -3.06

H-bond Donors 12.0

H-bond Acceptors 12.0

Rotatable Bonds 21.0

Heavy Atoms 58.0

Ring Count 3.0

Amide Bonds 8.0

3D PDB MODEL

Drag to rotate. Click a residue or atom to inspect it; the selected residue is highlighted in amber in the current view mode. Use the buttons to zoom.

2D CHEMICAL STRUCTURE

Drag to move

Drag to move. Use the buttons to zoom.

RECORD: Rec_0200347 VERIFIED: NO

Provenance & Taxonomy

OrganismDiadema setosum [Animal]

Structure & Mods

Configdisulfide-constrained cyclic peptide [Cyclic]

Chiralitycanonical L-amino-acid peptide [L]

Disulfide2-9

Bio-Activity Profile

Function

Sperm activator