Peptide Database

Peptide NameOrexin

Function Ontology

Neurological / Signaling ▸ Neuropeptide activity ▸ Neuropeptide

Standard StatusStandard

Sequence Length28 amino acids

Chemical FormulaC136H226N44O40S

DescriptionStandard

        KTNAQPLQNRLHHLLHGLENQATGILTM
    

Molecular Weight3149.59 Da

Isoelectric Point (pI)8.77

Net Charge (pH 7.0)1.02

Net Charge (pH 7.4) 0.67

Charge Density (pH 7.0) 0.0365

GRAVY Index-0.51

Hydrophobic Moment 0.46

Boman Index-0.01

Instability Index17.21

Aliphatic Index 104.64

Aromaticity 0.0000

Extinction Coeff. Reduced 0.00

Extinction Coeff. Oxidized 0.00

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

Amino Acid Composition

TPSA 1370.72

LogP -14.91

H-bond Donors 45.0

H-bond Acceptors 45.0

Rotatable Bonds 106.0

Heavy Atoms 221.0

Ring Count 4.0

Amide Bonds 33.0

3D PDB MODEL

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2D CHEMICAL STRUCTURE

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RECORD: Rec_0245238 VERIFIED: NO

Provenance & Taxonomy

OrganismLeucoraja ocellata [Animal]

Structure & Mods

Configlinear peptide [Linear]

Chiralitycanonical L-amino-acid peptide [L]

C-TermAmidation

Bio-Activity Profile

Function

Neuropeptide Behavior Regulator