Peptide Database

Peptide NameAcidic peptide

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 Length27 amino acids

Chemical FormulaC121H203N33O49

DescriptionStandard

        SSEVALAASDKGDEERELLNTLSNLLE
    

Molecular Weight2904.10 Da

Isoelectric Point (pI)4.15

Net Charge (pH 7.0)-5.52

Net Charge (pH 7.4) -5.74

Charge Density (pH 7.0) -0.2044

GRAVY Index-0.44

Hydrophobic Moment 0.67

Boman Index-0.08

Instability Index26.54

Aliphatic Index 108.52

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 1356.27

LogP -16.61

H-bond Donors 46.0

H-bond Acceptors 44.0

Rotatable Bonds 102.0

Heavy Atoms 203.0

Ring Count 0.0

Amide Bonds 28.0

3D PDB MODEL

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2D CHEMICAL STRUCTURE

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RECORD: Rec_0137206 VERIFIED: NO

Provenance & Taxonomy

OrganismAplysia parvula [Animal]

FamilyMolluscan ELH

Tax ID6503

Structure & Mods

Configlinear peptide [Linear]

Chiralitycanonical L-amino-acid peptide [L]

Bio-Activity Profile

Function

Hormone Reproductive neuropeptide

RECORD: Rec_0234694 VERIFIED: NO

Provenance & Taxonomy

OrganismAplysia parvula [Animal]

FamilyAcidic peptide

Tax ID6503

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_0379102 VERIFIED: YES

Provenance & Taxonomy

Organismnot reported [other]

Structure & Mods

Configlinear peptide [Linear]

Chiralitycanonical L-amino-acid peptide [L]

Bio-Activity Profile

Function

Neuropeptide

Paper数据库级溯源文献：Wang Y, Wang M, Yin S, et al. NeuroPep: a comprehensive resource of neuropeptides. Database (Oxford). 2015:bav038. PMID 25931458; Bin Y, Zhang W, Tang W, et al. Prediction of Neuropeptides from Sequence Information Using Ensemble Classifier and Hybrid Features. J Proteome Res. 2020;19(9):3732-3740. PMID 32786686. PMID25931458;32786686 Evidence URLhttps://pubmed.ncbi.nlm.nih.gov/25931458/