Peptide Database

Peptide NameExtended FMRFamide-2

Function Ontology

Neurological / Signaling ▸ Neuromodulation

Neurological / Signaling ▸ Neuropeptide activity ▸ Neuropeptide

Standard StatusStandard

Sequence Length9 amino acids

Chemical FormulaC44H71N13O15

DescriptionStandard

        SDYLQLARG
    

Molecular Weight1022.11 Da

Isoelectric Point (pI)5.55

Net Charge (pH 7.0)-0.54

Net Charge (pH 7.4) -0.75

Charge Density (pH 7.0) -0.0600

GRAVY Index-0.51

Hydrophobic Moment 0.44

Boman Index-0.11

Instability Index35.68

Aliphatic Index 97.78

Aromaticity 0.1111

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 478.87

LogP -5.04

H-bond Donors 17.0

H-bond Acceptors 15.0

Rotatable Bonds 33.0

Heavy Atoms 72.0

Ring Count 1.0

Amide Bonds 9.0

3D PDB MODEL

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2D CHEMICAL STRUCTURE

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RECORD: Rec_0058049 VERIFIED: YES

Provenance & Taxonomy

OrganismLobatophasma redelinghuysense [Animal]

FamilyExtended FMRFamide

Tax ID253128

Structure & Mods

Configlinear peptide [Linear]

Chiralitycanonical L-amino-acid peptide [L]

Bio-Activity Profile

Function

Neuropeptide Neuromodulator

Half-LifeMammalian: 1.9 hour; Yeast: >20 hour; E. coli: >10 hour

RECORD: Rec_0148837 VERIFIED: YES

Provenance & Taxonomy

OrganismLobatophasma redelinghuysense [Animal]

FamilyFMRFamide related peptide

Tax ID253128

Structure & Mods

Configlinear peptide [Linear]

Chiralitycanonical L-amino-acid peptide [L]

Bio-Activity Profile

Function

RFamide Neuropeptide Neuromodulator

RECORD: Rec_0184486 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/