Peptide Database

Peptide NamePea-FMRFa-3

Function Ontology

Enzyme modulation ▸ Enzyme inhibition ▸ ACE inhibition ▸ ACE inhibitory

Neurological / Signaling ▸ Neuromodulation

Neurological / Signaling ▸ Neuropeptide activity ▸ Neuropeptide

Standard StatusStandard

Sequence Length22 amino acids

Chemical FormulaC101H156N30O42

DescriptionStandard

        GHDFDQDDVNSSGEKDESLVRI
    

Molecular Weight2462.49 Da

Isoelectric Point (pI)4.09

Net Charge (pH 7.0)-5.14

Net Charge (pH 7.4) -5.40

Charge Density (pH 7.0) -0.2338

GRAVY Index-1.22

Hydrophobic Moment 0.36

Boman Index-0.27

Instability Index34.56

Aliphatic Index 61.82

Aromaticity 0.0455

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 1198.99

LogP -15.93

H-bond Donors 40.0

H-bond Acceptors 38.0

Rotatable Bonds 85.0

Heavy Atoms 173.0

Ring Count 2.0

Amide Bonds 23.0

3D PDB MODEL

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2D CHEMICAL STRUCTURE

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RECORD: Rec_0140336 VERIFIED: YES

Provenance & Taxonomy

OrganismPeriplaneta americana [Animal]

FamilyFMRFamide related peptide

Tax ID6978

Structure & Mods

Configlinear peptide [Linear]

Chiralitycanonical L-amino-acid peptide [L]

C-TermAmidation

Bio-Activity Profile

Function

RFamide Neuropeptide Neuromodulator

RECORD: Rec_0164392 VERIFIED: YES

Provenance & Taxonomy

OrganismPeriplaneta americana [Animal]

FamilyPea-FMRFa

Tax ID6978

Structure & Mods

Configlinear peptide [Linear]

Chiralitycanonical L-amino-acid peptide [L]

Bio-Activity Profile

Function

Neuropeptide Neuromodulator ACE inhibitory

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

RECORD: Rec_0172464 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/