Peptide Database

Peptide NameUnnamed

Function Ontology

Hormonal / Endocrine ▸ Secretory pathway peptide ▸ Secretory granule peptide

Neurological / Signaling ▸ Neuropeptide activity ▸ Neuropeptide

Neurological / Signaling ▸ Neuropeptide activity ▸ Neuropeptide precursor

Standard StatusStandard

Sequence Length11 amino acids

Chemical FormulaC54H86N12O20S

DescriptionStandard

        SGKLSFLEDEM
    

Molecular Weight1255.39 Da

Isoelectric Point (pI)4.14

Net Charge (pH 7.0)-2.53

Net Charge (pH 7.4) -2.75

Charge Density (pH 7.0) -0.2304

GRAVY Index-0.37

Hydrophobic Moment 0.13

Boman Index0.02

Instability Index11.16

Aliphatic Index 70.91

Aromaticity 0.0909

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 532.70

LogP -4.72

H-bond Donors 18.0

H-bond Acceptors 19.0

Rotatable Bonds 44.0

Heavy Atoms 87.0

Ring Count 1.0

Amide Bonds 10.0

3D PDB MODEL

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2D CHEMICAL STRUCTURE

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RECORD: Rec_0179023 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_0293610 VERIFIED: YES

Provenance & Taxonomy

OrganismCoturnix japonica [Animal]

FamilySecretogranin

Tax ID93934

Structure & Mods

Configlinear peptide [Linear]

Chiralitycanonical L-amino-acid peptide [L]

Bio-Activity Profile

Function

-

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

RECORD: Rec_0419117 VERIFIED: YES

Provenance & Taxonomy

OrganismCoturnix coturnix japonica [Animal]

FamilyChromogranin/secretogranin

Tax ID93934

Structure & Mods

Configlinear peptide [Linear]

Chiralitycanonical L-amino-acid peptide [L]

Bio-Activity Profile

Function

Secretory granule peptide Neuropeptide precursor