Peptide Database

Peptide NameOrexin B

Function Ontology

Neurological / Signaling ▸ Neuropeptide activity ▸ Neuropeptide

Standard StatusStandard

Sequence Length28 amino acids

Chemical FormulaC130H218N44O41S2

DescriptionStandard

        RSDFQTMQSRLQRLLQGSGNHAAGILTM
    

Molecular Weight3117.52 Da

Isoelectric Point (pI)11.70

Net Charge (pH 7.0)1.85

Net Charge (pH 7.4) 1.59

Charge Density (pH 7.0) 0.0660

GRAVY Index-0.46

Hydrophobic Moment 0.61

Boman Index-0.10

Instability Index66.62

Aliphatic Index 76.79

Aromaticity 0.0357

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 1417.30

LogP -18.69

H-bond Donors 50.0

H-bond Acceptors 46.0

Rotatable Bonds 108.0

Heavy Atoms 217.0

Ring Count 2.0

Amide Bonds 32.0

3D PDB MODEL

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2D CHEMICAL STRUCTURE

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RECORD: Rec_0340493 VERIFIED: NO

Provenance & Taxonomy

OrganismXenopus laevis [Animal]

Tax ID8355

Structure & Mods

Configlinear peptide [Linear]

Chiralitycanonical L-amino-acid peptide [L]

C-TermAmidation

Bio-Activity Profile

Function

Neuropeptide