Peptide Database

Peptide NameLIRP B chain

Function Ontology

Hormonal / Endocrine ▸ Hormone peptide

Metabolic

Neurological / Signaling ▸ Neuropeptide activity ▸ Neuropeptide

Standard StatusStandard

Sequence Length31 amino acids

Chemical FormulaC147H235N43O43S3

DescriptionStandard

        SGAPQPVARYCGEKLSNALKLVCRGNYNTMF
    

Molecular Weight3388.90 Da

Isoelectric Point (pI)9.30

Net Charge (pH 7.0)2.44

Net Charge (pH 7.4) 2.20

Charge Density (pH 7.0) 0.0787

GRAVY Index-0.28

Hydrophobic Moment 0.69

Boman Index-0.02

Instability Index10.49

Aliphatic Index 66.13

Aromaticity 0.0968

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 1405.39

LogP -15.98

H-bond Donors 50.0

H-bond Acceptors 49.0

Rotatable Bonds 109.0

Heavy Atoms 236.0

Ring Count 5.0

Amide Bonds 34.0

3D PDB MODEL

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2D CHEMICAL STRUCTURE

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RECORD: Rec_0060832 VERIFIED: YES

Provenance & Taxonomy

OrganismLocusta migratoria [Animal]

FamilyLIRP

Tax ID7004

Structure & Mods

Configlinear peptide [Linear]

Chiralitycanonical L-amino-acid peptide [L]

Bio-Activity Profile

Function

Hormone Endocrine

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

RECORD: Rec_0067697 VERIFIED: YES

Provenance & Taxonomy

OrganismLocusta migratoria [Animal]

FamilyInsulin

Tax ID7004

Structure & Mods

Configlinear peptide [Linear]

Chiralitycanonical L-amino-acid peptide [L]

Bio-Activity Profile

Function

Hormone Metabolic

RECORD: Rec_0394030 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/