Peptide Database

Peptide NameGlycoprotein hormones alpha chain

Function Ontology

Hormonal / Endocrine ▸ Hormone peptide

Regulatory peptide ▸ Biological modulation

Reproductive biology ▸ Reproductive modulation

Standard StatusStandard

Sequence Length97 amino acids

Chemical FormulaC472H753N137O140S14

DescriptionStandard

        FPDDNFLTPGCPECRLKENLRFSNMGIGRIYQCSGCCYSRAYPTPMRSKKTMLVPKNITSEAKCCVAKTQYRVTVMDNVKIENHTACHCSTCLYHKS
    

Molecular Weight11035.77 Da

Isoelectric Point (pI)8.98

Net Charge (pH 7.0)6.92

Net Charge (pH 7.4) 6.40

Charge Density (pH 7.0) 0.0714

GRAVY Index-0.44

Hydrophobic Moment 0.54

Boman Index-0.11

Instability Index43.27

Aliphatic Index 55.26

Aromaticity 0.0825

Extinction Coeff. Reduced 7450.00

Extinction Coeff. Oxidized 8075.00

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

Amino Acid Composition

TPSA 4480.20

LogP -50.78

H-bond Donors 166.0

H-bond Acceptors 164.0

Rotatable Bonds 361.0

Heavy Atoms 763.0

Ring Count 17.0

Amide Bonds 104.0

3D PDB MODEL

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2D CHEMICAL STRUCTURE

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RECORD: Rec_0061287 VERIFIED: YES

Provenance & Taxonomy

OrganismAquarana catesbeiana [Animal]

FamilyGlycoprotein hormones

Tax ID8400

Structure & Mods

Configlinear peptide with reported disulfide constraint [Linear]

Chiralitynoncanonical stereochemical modification [Modified]

Disulfide11-36; 14-65; 33-87; 37-89; 64-92

Other Mods57:N-linked (GlcNAc...) asparagine; 83:N-linked (GlcNAc...) asparagine

Bio-Activity Profile

Function

Hormone Endocrine Reproductive regulator Receptor modulation

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