Peptide Database

Peptide NamefGRP-related peptide 2

Function Ontology

Hormonal / Endocrine ▸ Hormone peptide

Neurological / Signaling ▸ Neuromodulation

Neurological / Signaling ▸ Neuropeptide activity ▸ Neuropeptide

Standard StatusStandard

Sequence Length18 amino acids

Chemical FormulaC92H150N26O26S

DescriptionStandard

        YLSGKTKVQSMANLPQRF
    

Molecular Weight2068.40 Da

Isoelectric Point (pI)10.29

Net Charge (pH 7.0)2.76

Net Charge (pH 7.4) 2.55

Charge Density (pH 7.0) 0.1532

GRAVY Index-0.56

Hydrophobic Moment 0.60

Boman Index-0.11

Instability Index52.68

Aliphatic Index 65.00

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 873.36

LogP -9.22

H-bond Donors 30.0

H-bond Acceptors 30.0

Rotatable Bonds 69.0

Heavy Atoms 145.0

Ring Count 3.0

Amide Bonds 20.0

3D PDB MODEL

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2D CHEMICAL STRUCTURE

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RECORD: Rec_0003819 VERIFIED: NO

Provenance & Taxonomy

OrganismAquarana catesbeiana [Animal]

FamilyfGRP-related peptide

Tax ID8400

Structure & Mods

Configlinear peptide [Linear]

Chiralitycanonical L-amino-acid peptide [L]

C-TermAmidation

Bio-Activity Profile

Function

Hormone Endocrine Neuropeptide Neuromodulator

Half-LifeMammalian: 2.8 hour; Yeast: 10 min; E. coli: 2 min

RECORD: Rec_0252097 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_0318282 VERIFIED: NO

Provenance & Taxonomy

OrganismLithobates catesbeiana [Animal]

FamilyFMRFamide related peptide

Tax ID8400

Structure & Mods

Configlinear peptide [Linear]

Chiralitycanonical L-amino-acid peptide [L]

C-TermAmidation

Bio-Activity Profile

Function

RFamide Neuropeptide Neuromodulator

RECORD: Rec_0345458 VERIFIED: NO

Provenance & Taxonomy

OrganismRana catesbeiana [Animal]

Structure & Mods

Configlinear peptide [Linear]

Chiralitycanonical L-amino-acid peptide [L]

C-TermAmidation

Bio-Activity Profile

Function

Hormone