Peptide Database

Peptide NameChimeric Motilin B

Function Ontology

Gastrointestinal bioactivity ▸ Gastrointestinal motility

Standard StatusStandard

Sequence Length34 amino acids

Chemical FormulaC186H300N58O50

DescriptionStandard

        FVPIFTYGELQREHQRVQQQRKESKKPPAKLQPR
    

Molecular Weight4148.73 Da

Isoelectric Point (pI)10.53

Net Charge (pH 7.0)4.85

Net Charge (pH 7.4) 4.58

Charge Density (pH 7.0) 0.1427

GRAVY Index-1.47

Hydrophobic Moment 0.62

Boman Index-0.42

Instability Index54.67

Aliphatic Index 54.41

Aromaticity 0.0882

Extinction Coeff. Reduced 1490.00

Extinction Coeff. Oxidized 1490.00

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

Amino Acid Composition

TPSA 1799.95

LogP -16.95

H-bond Donors 60.0

H-bond Acceptors 56.0

Rotatable Bonds 140.0

Heavy Atoms 294.0

Ring Count 8.0

Amide Bonds 39.0

3D PDB MODEL

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2D CHEMICAL STRUCTURE

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RECORD: Rec_0274288 VERIFIED: YES

Provenance & Taxonomy

Organismnot reported [other]

FamilyMotilin

Structure & Mods

Configlinear peptide [Linear]

Chiralitycanonical L-amino-acid peptide [L]

N-TermNone

C-TermNone

Bio-Activity Profile

Function

Gastrointestinal motility

MethodCompetitive Radioimmunoassay

Half-LifeRat plasma (Intravenous), in vivo; 668.4 s