Peptide Database

Peptide NameLPXRFamide peptide 4

Function Ontology

Neurological / Signaling ▸ Neuropeptide activity ▸ Neuropeptide

Standard StatusStandard

Sequence Length18 amino acids

Chemical FormulaC89H139N25O25

DescriptionStandard

        APSAGQFIQTLANLPQRF
    

Molecular Weight1959.21 Da

Isoelectric Point (pI)9.79

Net Charge (pH 7.0)0.80

Net Charge (pH 7.4) 0.61

Charge Density (pH 7.0) 0.0442

GRAVY Index-0.03

Hydrophobic Moment 0.65

Boman Index0.13

Instability Index48.06

Aliphatic Index 81.67

Aromaticity 0.1111

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 815.16

LogP -8.72

H-bond Donors 26.0

H-bond Acceptors 26.0

Rotatable Bonds 60.0

Heavy Atoms 139.0

Ring Count 4.0

Amide Bonds 21.0

3D PDB MODEL

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2D CHEMICAL STRUCTURE

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RECORD: Rec_0004535 VERIFIED: NO

Provenance & Taxonomy

OrganismCynops pyrrhogaster [Animal]

Structure & Mods

Configlinear peptide [Linear]

Chiralitycanonical L-amino-acid peptide [L]

C-TermAmidation

Bio-Activity Profile

Function

Neuropeptide