Peptide Database

Peptide NameExtended FMRFamide-9

Function Ontology

Neurological / Signaling ▸ Neuromodulation

Neurological / Signaling ▸ Neuropeptide activity ▸ Neuropeptide

Standard StatusStandard

Sequence Length11 amino acids

Chemical FormulaC50H82N18O15

DescriptionStandard

        GRGGPSNYVRL
    

Molecular Weight1175.30 Da

Isoelectric Point (pI)10.84

Net Charge (pH 7.0)1.76

Net Charge (pH 7.4) 1.55

Charge Density (pH 7.0) 0.1599

GRAVY Index-0.85

Hydrophobic Moment 0.47

Boman Index-0.19

Instability Index30.10

Aliphatic Index 61.82

Aromaticity 0.0909

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 552.88

LogP -7.31

H-bond Donors 20.0

H-bond Acceptors 17.0

Rotatable Bonds 36.0

Heavy Atoms 83.0

Ring Count 2.0

Amide Bonds 11.0

3D PDB MODEL

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2D CHEMICAL STRUCTURE

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RECORD: Rec_0271962 VERIFIED: YES

Provenance & Taxonomy

OrganismPraedatophasma maraisi [Animal]

FamilyFMRFamide related peptide

Tax ID409170

Structure & Mods

Configlinear peptide [Linear]

Chiralitycanonical L-amino-acid peptide [L]

C-TermAmidation

Bio-Activity Profile

Function

RFamide Neuropeptide Neuromodulator

RECORD: Rec_0379481 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_0399177 VERIFIED: YES

Provenance & Taxonomy

OrganismPraedatophasma maraisi [Animal]

FamilyExtended FMRFamide

Tax ID409170

Structure & Mods

Configlinear peptide [Linear]

Chiralitycanonical L-amino-acid peptide [L]

C-TermAmidation

Bio-Activity Profile

Function

Neuropeptide Neuromodulator

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