Peptide Database

Peptide NameAcidic peptide(9-20)

Function Ontology

Hormonal / Endocrine ▸ Hormone peptide

Neurological / Signaling ▸ Neuromodulation

Neurological / Signaling ▸ Neuromuscular and muscle activity ▸ Myotropic activity

Neurological / Signaling ▸ Neuropeptide activity ▸ Neuropeptide

Neurological / Signaling ▸ Neuropeptide activity ▸ Reproductive neuropeptide

Standard StatusStandard

Sequence Length13 amino acids

Chemical FormulaC64H110N20O25

DescriptionStandard

        SNKDEEQRELLKA
    

Molecular Weight1559.68 Da

Isoelectric Point (pI)4.87

Net Charge (pH 7.0)-1.53

Net Charge (pH 7.4) -1.75

Charge Density (pH 7.0) -0.1179

GRAVY Index-1.90

Hydrophobic Moment 0.34

Boman Index-0.59

Instability Index60.81

Aliphatic Index 67.69

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 782.07

LogP -8.95

H-bond Donors 26.0

H-bond Acceptors 24.0

Rotatable Bonds 58.0

Heavy Atoms 109.0

Ring Count 0.0

Amide Bonds 14.0

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_0098300 VERIFIED: YES

Provenance & Taxonomy

OrganismAplysia californica [Animal]

FamilyAcidic peptide(9-20)

Tax ID6500

Structure & Mods

Configlinear peptide [Linear]

Chiralitycanonical L-amino-acid peptide [L]

Bio-Activity Profile

Function

Hormone Endocrine Neuropeptide Neuromodulator Myotropic

Half-LifeMammalian: 1.9 hour; Yeast: >20 hour; E. coli: >10 hour

RECORD: Rec_0144037 VERIFIED: YES