Peptide Database

Peptide NameUnnamed

Function Ontology

Cardiovascular

Hormonal / Endocrine ▸ Hormone peptide

Neurological / Signaling ▸ Neuromodulation

Neurological / Signaling ▸ Neuropeptide activity ▸ Neuropeptide

Standard StatusStandard

Sequence Length17 amino acids

Chemical FormulaC99H146N26O24

DescriptionStandard

        NDPFLRFGKKSDPFLRF
    

Molecular Weight2084.38 Da

Isoelectric Point (pI)9.99

Net Charge (pH 7.0)1.76

Net Charge (pH 7.4) 1.55

Charge Density (pH 7.0) 0.1035

GRAVY Index-0.76

Hydrophobic Moment 0.73

Boman Index-0.19

Instability Index49.74

Aliphatic Index 45.88

Aromaticity 0.2353

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 825.10

LogP -5.54

H-bond Donors 28.0

H-bond Acceptors 26.0

Rotatable Bonds 66.0

Heavy Atoms 149.0

Ring Count 6.0

Amide Bonds 17.0

3D PDB MODEL

Drag to rotate. Click a residue or atom to inspect it; the selected residue is highlighted in amber in the current view mode. Use the buttons to zoom.

2D CHEMICAL STRUCTURE

Drag to move

Drag to move. Use the buttons to zoom.

RECORD: Rec_0106515 VERIFIED: YES

Provenance & Taxonomy

Organismnot reported [other]

FamilyFMRFamide-like peptide

Structure & Mods

Configlinear peptide [Linear]

Chiralitycanonical L-amino-acid peptide [L]

C-TermAmidation

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_0120774 VERIFIED: NO

Provenance & Taxonomy

OrganismHelix aspersa [Animal]

FamilyFMRFamide related peptide

Tax ID6535

Structure & Mods

Configlinear peptide [Linear]

Chiralitycanonical L-amino-acid peptide [L]

C-TermAmidation

Bio-Activity Profile

Function

RFamide Neuropeptide Neuromodulator

RECORD: Rec_0275912 VERIFIED: NO

Provenance & Taxonomy

OrganismCornu aspersum [Animal]

FamilyNDPFLRFGKKSDPFLRF-amide

Tax ID6535

Structure & Mods

Configlinear peptide [Linear]

Chiralitycanonical L-amino-acid peptide [L]

C-TermAmidation

Bio-Activity Profile

Function

Hormone Endocrine Neuropeptide Neuromodulator Cardiovascular

Half-LifeMammalian: 1.4 hour; Yeast: 3 min; E. coli: >10 hour