Peptide Database

Peptide NameCAPA-peptide ext. CAPA-a-PK

Function Ontology

Hormonal / Endocrine ▸ Hormone peptide

Neurological / Signaling ▸ Neuropeptide activity ▸ Neuropeptide

Standard StatusStandard

Sequence Length21 amino acids

Chemical FormulaC89H137N31O25

DescriptionStandard

        SGPKRNGGGGNGGGLWFGPRL
    

Molecular Weight2041.23 Da

Isoelectric Point (pI)12.00

Net Charge (pH 7.0)2.46

Net Charge (pH 7.4) 2.25

Charge Density (pH 7.0) 0.1171

GRAVY Index-0.86

Hydrophobic Moment 0.25

Boman Index0.02

Instability Index49.63

Aliphatic Index 37.14

Aromaticity 0.0952

Extinction Coeff. Reduced 5500.00

Extinction Coeff. Oxidized 5500.00

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

Amino Acid Composition

TPSA 899.76

LogP -12.75

H-bond Donors 31.0

H-bond Acceptors 28.0

Rotatable Bonds 64.0

Heavy Atoms 145.0

Ring Count 5.0

Amide Bonds 22.0

3D PDB MODEL

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2D CHEMICAL STRUCTURE

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RECORD: Rec_0398946 VERIFIED: NO

Provenance & Taxonomy

OrganismRhodnius prolixus [Animal]

Structure & Mods

Configlinear peptide [Linear]

Chiralitycanonical L-amino-acid peptide [L]

C-TermAmidation

Bio-Activity Profile

Function

Hormone Neuropeptide