Peptide Database

Peptide NameFEP 4

Function Ontology

Neurological / Signaling ▸ Neuropeptide activity ▸ Neuropeptide

Standard StatusStandard

Sequence Length14 amino acids

Chemical FormulaC67H102N24O19S

DescriptionStandard

        GFRMNSSNRVAHGF
    

Molecular Weight1579.74 Da

Isoelectric Point (pI)12.00

Net Charge (pH 7.0)1.85

Net Charge (pH 7.4) 1.59

Charge Density (pH 7.0) 0.1320

GRAVY Index-0.58

Hydrophobic Moment 0.52

Boman Index-0.12

Instability Index9.57

Aliphatic Index 27.86

Aromaticity 0.1429

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 720.74

LogP -9.89

H-bond Donors 26.0

H-bond Acceptors 23.0

Rotatable Bonds 51.0

Heavy Atoms 111.0

Ring Count 3.0

Amide Bonds 15.0

3D PDB MODEL

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2D CHEMICAL STRUCTURE

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RECORD: Rec_0239782 VERIFIED: YES

Provenance & Taxonomy

OrganismFusinus ferrugineus [Animal]

FamilyFEP

Tax ID6488

Structure & Mods

Configlinear peptide [Linear]

Chiralitycanonical L-amino-acid peptide [L]

C-TermAmidation

Bio-Activity Profile

Function

-

Half-LifeMammalian: 30 hour; Yeast: >20 hour; E. coli: >10 hour

RECORD: Rec_0310107 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/