Peptide Database

Peptide NameUnnamed

Function Ontology

Hormonal / Endocrine ▸ Hormone peptide

Neurological / Signaling ▸ Neuropeptide activity ▸ Neuropeptide

Standard StatusStandard

Sequence Length10 amino acids

Chemical FormulaC51H82N16O18

DescriptionStandard

        QELHVPEREA
    

Molecular Weight1207.29 Da

Isoelectric Point (pI)4.75

Net Charge (pH 7.0)-2.14

Net Charge (pH 7.4) -2.40

Charge Density (pH 7.0) -0.2144

GRAVY Index-1.35

Hydrophobic Moment 0.40

Boman Index-0.31

Instability Index64.90

Aliphatic Index 78.00

Aromaticity 0.0000

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 562.00

LogP -4.92

H-bond Donors 18.0

H-bond Acceptors 17.0

Rotatable Bonds 39.0

Heavy Atoms 85.0

Ring Count 2.0

Amide Bonds 10.0

3D PDB MODEL

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2D CHEMICAL STRUCTURE

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RECORD: Rec_0139061 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_0187245 VERIFIED: YES

Provenance & Taxonomy

OrganismCallinectes sapidus [Animal]

FamilyPigment-dispersing hormone

Tax ID6763

Structure & Mods

Configlinear peptide [Linear]

Chiralitycanonical L-amino-acid peptide [L]

Bio-Activity Profile

Function

Hormone Endocrine

Targetdistal eye pigment cells

Half-LifeMammalian: 0.8 hour; Yeast: 10 min; E. coli: >10 hour

RECORD: Rec_0295796 VERIFIED: YES

Provenance & Taxonomy

OrganismCallinectes sapidus [Animal]

FamilyArthropod PDH

Tax ID6763

Structure & Mods

Configlinear peptide [Linear]

Chiralitycanonical L-amino-acid peptide [L]

N-TermPyroglutamate

Bio-Activity Profile

Function

Neuropeptide Circadian regulation Chromatophore regulation

PaperDiscovery and characterization of the Crustacean hyperglycemic hormone precursor related peptides (CPRP) and orcokinin neuropeptides in the sinus glands of the blue crab Callinectes sapidus using multiple tandem mass spectrometry techniques PMID21740068 Evidence URLhttps://pubmed.ncbi.nlm.nih.gov/21740068/