Peptide Database

Peptide NameLuqin

Function Ontology

Neurological / Signaling ▸ Neuropeptide activity ▸ Neuropeptide

Standard StatusStandard

Sequence Length12 amino acids

Chemical FormulaC66H99N21O15

DescriptionStandard

        SPAPKWRPQGRF
    

Molecular Weight1426.62 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) 0.2049

GRAVY Index-1.56

Hydrophobic Moment 0.35

Boman Index-0.34

Instability Index109.98

Aliphatic Index 8.33

Aromaticity 0.1667

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 585.98

LogP -5.22

H-bond Donors 20.0

H-bond Acceptors 18.0

Rotatable Bonds 40.0

Heavy Atoms 102.0

Ring Count 6.0

Amide Bonds 12.0

3D PDB MODEL

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2D CHEMICAL STRUCTURE

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RECORD: Rec_0396425 VERIFIED: NO

Provenance & Taxonomy

OrganismSepia officinalis [Animal]

Structure & Mods

Configlinear peptide [Linear]

Chiralitycanonical L-amino-acid peptide [L]

C-TermAmidation

Bio-Activity Profile

Function

Neuropeptide