Peptide Database

Peptide NameUnnamed

Function Ontology

Neurological / Signaling ▸ Neuromodulation

Neurological / Signaling ▸ Neuropeptide activity ▸ Neuropeptide

Standard StatusStandard

Sequence Length6 amino acids

Chemical FormulaC37H55N9O9

DescriptionStandard

        STLFRF
    

Molecular Weight769.89 Da

Isoelectric Point (pI)9.47

Net Charge (pH 7.0)0.46

Net Charge (pH 7.4) 0.25

Charge Density (pH 7.0) 0.0767

GRAVY Index0.57

Hydrophobic Moment 0.69

Boman Index0.11

Instability Index8.33

Aliphatic Index 65.00

Aromaticity 0.3333

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 311.18

LogP -2.01

H-bond Donors 12.0

H-bond Acceptors 10.0

Rotatable Bonds 23.0

Heavy Atoms 55.0

Ring Count 2.0

Amide Bonds 5.0

3D PDB MODEL

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2D CHEMICAL STRUCTURE

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RECORD: Rec_0111287 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_0207516 VERIFIED: YES

Provenance & Taxonomy

OrganismAplysia [Animal]

FamilyAplysia FRF

Tax ID6499

Structure & Mods

Configlinear peptide [Linear]

Chiralitycanonical L-amino-acid peptide [L]

C-TermAmidation

Bio-Activity Profile

Function

-

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

RECORD: Rec_0351347 VERIFIED: YES

Provenance & Taxonomy

OrganismAplysia [Animal]

FamilyFMRFamide related peptide

Tax ID6499

Structure & Mods

Configlinear peptide [Linear]

Chiralitycanonical L-amino-acid peptide [L]

C-TermAmidation

Bio-Activity Profile

Function

RFamide Neuropeptide Neuromodulator