Peptide Database

Peptide NameUnnamed

Function Ontology

Cardiovascular

Hormonal / Endocrine ▸ Hormone peptide

Neurological / Signaling ▸ Neuromodulation

Neurological / Signaling ▸ Neuropeptide activity ▸ Neuropeptide

Standard StatusStandard

Sequence Length5 amino acids

Chemical FormulaC38H49N9O8

DescriptionStandard

        QFYRF
    

Molecular Weight759.85 Da

Isoelectric Point (pI)8.75

Net Charge (pH 7.0)0.76

Net Charge (pH 7.4) 0.55

Charge Density (pH 7.0) 0.1518

GRAVY Index-0.74

Hydrophobic Moment 0.87

Boman Index-0.15

Instability Index24.30

Aliphatic Index 0.00

Aromaticity 0.6000

Extinction Coeff. Reduced 1490.00

Extinction Coeff. Oxidized 1490.00

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

Amino Acid Composition

TPSA 304.94

LogP -0.70

H-bond Donors 11.0

H-bond Acceptors 9.0

Rotatable Bonds 22.0

Heavy Atoms 55.0

Ring Count 3.0

Amide Bonds 5.0

3D PDB MODEL

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2D CHEMICAL STRUCTURE

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RECORD: Rec_0101337 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_0310845 VERIFIED: NO

Provenance & Taxonomy

OrganismHelix aspersa [Animal]

FamilyFMRFamide related peptide

Tax ID6535

Structure & Mods

Configlinear peptide [Linear]

Chiralitycanonical L-amino-acid peptide [L]

C-TermAmidation

Bio-Activity Profile

Function

RFamide Neuropeptide Neuromodulator

RECORD: Rec_0420213 VERIFIED: NO

Provenance & Taxonomy

OrganismCornu aspersum [Animal]

FamilyQFYRF-amide

Tax ID6535

Structure & Mods

Configlinear peptide [Linear]

Chiralitycanonical L-amino-acid peptide [L]

C-TermAmidation

Bio-Activity Profile

Function

Hormone Endocrine Neuropeptide Neuromodulator Cardiovascular

Half-LifeMammalian: 0.8 hour; Yeast: 10 min; E. coli: >10 hour