Peptide Database

Peptide NameAcidic peptide(9-26)

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 Length18 amino acids

Chemical FormulaC89H154N26O32

DescriptionStandard

        SNKDEEQRELLKAISNLL
    

Molecular Weight2100.33 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) -0.0851

GRAVY Index-0.94

Hydrophobic Moment 0.77

Boman Index-0.29

Instability Index46.69

Aliphatic Index 113.89

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 990.89

LogP -10.52

H-bond Donors 33.0

H-bond Acceptors 31.0

Rotatable Bonds 77.0

Heavy Atoms 147.0

Ring Count 0.0

Amide Bonds 20.0

3D PDB MODEL

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2D CHEMICAL STRUCTURE

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RECORD: Rec_0094490 VERIFIED: YES

Provenance & Taxonomy

OrganismAplysia californica [Animal]

FamilyAcidic peptide(9-26)

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_0102263 VERIFIED: YES