Peptide Database

Peptide NameOrexin A

Function Ontology

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Standard StatusStandard

Sequence Length35 amino acids

Chemical FormulaC167H269N51O47S4

DescriptionStandard

        PYRPLPDCCRQKTCSCRLYELLHGAGNHAAGILTL
    

Molecular Weight3871.50 Da

Isoelectric Point (pI)8.64

Net Charge (pH 7.0)2.09

Net Charge (pH 7.4) 1.87

Charge Density (pH 7.0) 0.0598

GRAVY Index-0.17

Hydrophobic Moment 0.67

Boman Index-0.01

Instability Index21.66

Aliphatic Index 86.57

Aromaticity 0.0571

Extinction Coeff. Reduced 2980.00

Extinction Coeff. Oxidized 3230.00

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

Amino Acid Composition

TPSA 1552.16

LogP -15.70

H-bond Donors 59.0

H-bond Acceptors 55.0

Rotatable Bonds 122.0

Heavy Atoms 269.0

Ring Count 7.0

Amide Bonds 36.0

3D PDB MODEL

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2D CHEMICAL STRUCTURE

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RECORD: Rec_0133523 VERIFIED: NO

Provenance & Taxonomy

OrganismBos taurus [Animal]; Homo sapiens [Animal]; Mus musculus [Animal]; Porcine [other]; Rattus norvegicus [Animal]

Tax ID9913; 9606; 10090; 10116

Structure & Mods

Configdisulfide-constrained cyclic peptide [Cyclic]

Chiralitycanonical L-amino-acid peptide [L]

N-TermNone

Disulfide6-12; 7-14

Bio-Activity Profile

Function

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