Peptide Database

Peptide NameCardio-excitatory peptide 1

Function Ontology

Hormonal / Endocrine ▸ Hormone peptide

Neurological / Signaling ▸ Neuromodulation

Neurological / Signaling ▸ Neuropeptide activity ▸ Neuropeptide

Standard StatusStandard

Sequence Length11 amino acids

Chemical FormulaC57H84N20O16

DescriptionStandard

        SGQSWRPQGRF
    

Molecular Weight1305.40 Da

Isoelectric Point (pI)12.00

Net Charge (pH 7.0)1.46

Net Charge (pH 7.4) 1.25

Charge Density (pH 7.0) 0.1327

GRAVY Index-1.65

Hydrophobic Moment 0.46

Boman Index-0.37

Instability Index84.05

Aliphatic Index 0.00

Aromaticity 0.1818

Extinction Coeff. Reduced 5500.00

Extinction Coeff. Oxidized 5500.00

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

Amino Acid Composition

TPSA 611.76

LogP -7.98

H-bond Donors 22.0

H-bond Acceptors 18.0

Rotatable Bonds 40.0

Heavy Atoms 93.0

Ring Count 4.0

Amide Bonds 12.0

3D PDB MODEL

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2D CHEMICAL STRUCTURE

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RECORD: Rec_0075396 VERIFIED: YES

Provenance & Taxonomy

OrganismAchatina fulica [Animal]

Tax ID6530

Structure & Mods

Configlinear peptide [Linear]

Chiralitycanonical L-amino-acid peptide [L]

C-TermAmidation

Bio-Activity Profile

Function

Neuropeptide

RECORD: Rec_0095883 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/

RECORD: Rec_0201558 VERIFIED: YES

Provenance & Taxonomy

OrganismLissachatina fulica [Animal]

FamilyCardio-excitatory peptide

Tax ID2315439

Structure & Mods

Configlinear peptide [Linear]

Chiralitycanonical L-amino-acid peptide [L]

C-TermAmidation

Bio-Activity Profile

Function

Hormone Endocrine Neuropeptide Neuromodulator

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