Peptide Database

Peptide NameMelanotropin alpha

Function Ontology

Hormonal / Endocrine ▸ Hormone peptide

Neurological / Signaling ▸ Neuropeptide activity ▸ Neuropeptide precursor

Standard StatusStandard

Sequence Length13 amino acids

Chemical FormulaC75H106N20O19S2

DescriptionStandard

        SYSMEHFRWGKPM
    

Molecular Weight1655.90 Da

Isoelectric Point (pI)8.33

Net Charge (pH 7.0)0.55

Net Charge (pH 7.4) 0.29

Charge Density (pH 7.0) 0.0422

GRAVY Index-1.10

Hydrophobic Moment 0.35

Boman Index-0.11

Instability Index13.41

Aliphatic Index 0.00

Aromaticity 0.2308

Extinction Coeff. Reduced 6990.00

Extinction Coeff. Oxidized 6990.00

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

Amino Acid Composition

TPSA 634.11

LogP -4.02

H-bond Donors 23.0

H-bond Acceptors 23.0

Rotatable Bonds 51.0

Heavy Atoms 116.0

Ring Count 6.0

Amide Bonds 12.0

3D PDB MODEL

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2D CHEMICAL STRUCTURE

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RECORD: Rec_0082596 VERIFIED: YES

Provenance & Taxonomy

OrganismSqualus acanthias [Animal]

FamilyPOMC

Tax ID7797

Structure & Mods

Configlinear peptide [Linear]

Chiralitycanonical L-amino-acid peptide [L]

C-TermAmidation

Bio-Activity Profile

Function

Hormone precursor Neuropeptide precursor

RECORD: Rec_0272982 VERIFIED: YES