Peptide Database

Peptide NameInsulin B chain

Function Ontology

Hormonal / Endocrine ▸ Hormone peptide

Metabolic

Neurological / Signaling ▸ Neuropeptide activity ▸ Neuropeptide

Regulatory peptide ▸ Biological regulation

Standard StatusStandard

Sequence Length30 amino acids

Chemical FormulaC155H229N39O40S3

DescriptionStandard

        FVNKHLCGSHLVDALYLVCGDRGFFYTPMA
    

Molecular Weight3374.91 Da

Isoelectric Point (pI)6.90

Net Charge (pH 7.0)-0.09

Net Charge (pH 7.4) -0.42

Charge Density (pH 7.0) -0.0029

GRAVY Index0.48

Hydrophobic Moment 0.34

Boman Index0.27

Instability Index16.84

Aliphatic Index 87.67

Aromaticity 0.1667

Extinction Coeff. Reduced 2980.00

Extinction Coeff. Oxidized 3105.00

The radar chart summarizes major physicochemical dimensions for quick comparison, while exact numerical values remain listed on the left.

Amino Acid Composition

TPSA 1242.32

LogP -8.19

H-bond Donors 45.0

H-bond Acceptors 45.0

Rotatable Bonds 104.0

Heavy Atoms 237.0

Ring Count 8.0

Amide Bonds 30.0

3D PDB MODEL

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2D CHEMICAL STRUCTURE

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RECORD: Rec_0144860 VERIFIED: YES

Provenance & Taxonomy

OrganismChinchilla chinchilla [Animal]

FamilyInsulin

Tax ID10152

Structure & Mods

Configlinear peptide [Linear]

Chiralitycanonical L-amino-acid peptide [L]

Bio-Activity Profile

Function

Hormone Metabolic

RECORD: Rec_0253867 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_0279694 VERIFIED: YES

Provenance & Taxonomy

OrganismChinchilla chinchilla [Animal]

FamilyInsulin

Tax ID10152

Structure & Mods

Configlinear peptide [Linear]

Chiralitycanonical L-amino-acid peptide [L]

Bio-Activity Profile

Function

Hormone Endocrine Metabolic regulation Physiological regulation

Half-LifeMammalian: 1.1 hour; Yeast: 3 min; E. coli: 2 min