Peptide Database

Peptide NameOrexin-2

Function Ontology

Neurological / Signaling ▸ Neuropeptide activity ▸ Neuropeptide

Standard StatusStandard

Sequence Length36 amino acids

Chemical FormulaC164H270N54O46S8

DescriptionStandard

        QMGCCSRVVDCNIPAGCFCPLKKSMCRDGARRHFIS
    

Molecular Weight3990.75 Da

Isoelectric Point (pI)8.96

Net Charge (pH 7.0)3.79

Net Charge (pH 7.4) 3.44

Charge Density (pH 7.0) 0.1052

GRAVY Index-0.02

Hydrophobic Moment 0.52

Boman Index-0.09

Instability Index46.67

Aliphatic Index 54.17

Aromaticity 0.0556

Extinction Coeff. Reduced 0.00

Extinction Coeff. Oxidized 375.00

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

Amino Acid Composition

TPSA 1614.03

LogP -19.32

H-bond Donors 63.0

H-bond Acceptors 59.0

Rotatable Bonds 131.0

Heavy Atoms 272.0

Ring Count 5.0

Amide Bonds 37.0

3D PDB MODEL

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2D CHEMICAL STRUCTURE

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RECORD: Rec_0147907 VERIFIED: NO

Provenance & Taxonomy

OrganismHolothuria scabra [Animal]

Structure & Mods

Configlinear peptide [Linear]

Chiralitycanonical L-amino-acid peptide [L]

C-TermAmidation

Bio-Activity Profile

Function

Neuropeptide