Peptide Database

Peptide NamePigment-dispersing hormone

Function Ontology

Hormonal / Endocrine ▸ Hormone peptide

Neurological / Signaling ▸ Neuropeptide activity ▸ Neuropeptide

Standard StatusStandard

Sequence Length18 amino acids

Chemical FormulaC83H144N24O29S

DescriptionStandard

        NSELINSLLGISRLMNEA
    

Molecular Weight1974.24 Da

Isoelectric Point (pI)4.53

Net Charge (pH 7.0)-1.23

Net Charge (pH 7.4) -1.44

Charge Density (pH 7.0) -0.0686

GRAVY Index0.17

Hydrophobic Moment 0.53

Boman Index0.10

Instability Index26.13

Aliphatic Index 135.56

Aromaticity 0.0000

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 884.48

LogP -10.08

H-bond Donors 30.0

H-bond Acceptors 29.0

Rotatable Bonds 69.0

Heavy Atoms 137.0

Ring Count 0.0

Amide Bonds 20.0

3D PDB MODEL

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2D CHEMICAL STRUCTURE

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RECORD: Rec_0349632 VERIFIED: YES

Provenance & Taxonomy

OrganismHomarus americanus [Animal]

Familyβ-PDH

Tax ID6706

Structure & Mods

Configlinear peptide [Linear]

Chiralitycanonical L-amino-acid peptide [L]

C-TermAmidation

Bio-Activity Profile

Function

-

Targetdistal eye pigment cells

Half-LifeMammalian: 1.4 hour; Yeast: 3 min; E. coli: >10 hour

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