Peptide Database

Peptide NameFeeding circuit-activating peptide, FCAPb

Function Ontology

Hormonal / Endocrine ▸ Hormone peptide

Metabolic ▸ Appetite and feeding regulation ▸ Feeding regulator

Neurological / Signaling ▸ Neuromodulation

Neurological / Signaling ▸ Neuropeptide activity ▸ Neuropeptide

Regulatory peptide ▸ Biological regulation

Standard StatusStandard

Sequence Length13 amino acids

Chemical FormulaC64H91N17O18

DescriptionStandard

        ALDSLGGFQVHGW
    

Molecular Weight1386.51 Da

Isoelectric Point (pI)5.08

Net Charge (pH 7.0)-1.12

Net Charge (pH 7.4) -1.36

Charge Density (pH 7.0) -0.0858

GRAVY Index0.25

Hydrophobic Moment 0.16

Boman Index0.38

Instability Index29.25

Aliphatic Index 90.00

Aromaticity 0.1538

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 557.61

LogP -4.46

H-bond Donors 19.0

H-bond Acceptors 18.0

Rotatable Bonds 42.0

Heavy Atoms 99.0

Ring Count 4.0

Amide Bonds 13.0

3D PDB MODEL

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2D CHEMICAL STRUCTURE

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RECORD: Rec_0099541 VERIFIED: NO

Provenance & Taxonomy

OrganismAplysia californica [Animal]; Deroceras reticulatum [Animal]

Tax ID6500

Structure & Mods

Configlinear peptide [Linear]

Chiralitycanonical L-amino-acid peptide [L]

Bio-Activity Profile

Function

Behavior Regulator

RECORD: Rec_0137934 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_0408061 VERIFIED: YES

Provenance & Taxonomy

OrganismAplysia californica [Animal]

FamilyFeeding circuit activating peptide

Tax ID6500

Structure & Mods

Configlinear peptide [Linear]

Chiralitycanonical L-amino-acid peptide [L]

Bio-Activity Profile

Function

Hormone Endocrine Neuropeptide Neuromodulator Metabolic regulation Physiological regulation Feeding regulator

Half-LifeMammalian: 4.4 hour; Yeast: >20 hour; E. coli: >10 hour

RECORD: Rec_0412708 VERIFIED: NO

Provenance & Taxonomy

OrganismAplysia californica [Animal]

Tax ID6500

Structure & Mods

Configlinear peptide [Linear]

Chiralitycanonical L-amino-acid peptide [L]

Bio-Activity Profile

Function

Neuropeptide