Peptide Database

Peptide NameProlactin-releasing peptide, PrRP31

Function Ontology

Hormonal / Endocrine ▸ Hormone peptide

Metabolic ▸ Appetite and feeding regulation ▸ Feeding regulator

Neurological / Signaling ▸ Neuromodulation

Neurological / Signaling ▸ Neuropeptide activity ▸ Neuropeptide

Regulatory peptide ▸ Biological modulation

Regulatory peptide ▸ Biological regulation

Regulatory peptide ▸ Cell-cell communication

Standard StatusStandard

Sequence Length31 amino acids

Chemical FormulaC156H241N53O44S

DescriptionStandard

        SRAHQHSMETRTPDINPAWYTGRGIRPVGRF
    

Molecular Weight3594.98 Da

Isoelectric Point (pI)11.42

Net Charge (pH 7.0)2.64

Net Charge (pH 7.4) 2.33

Charge Density (pH 7.0) 0.0851

GRAVY Index-1.07

Hydrophobic Moment 0.85

Boman Index-0.24

Instability Index14.74

Aliphatic Index 40.97

Aromaticity 0.0968

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 1574.76

LogP -18.33

H-bond Donors 57.0

H-bond Acceptors 50.0

Rotatable Bonds 111.0

Heavy Atoms 254.0

Ring Count 9.0

Amide Bonds 32.0

3D PDB MODEL

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2D CHEMICAL STRUCTURE

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RECORD: Rec_0032652 VERIFIED: NO

Provenance & Taxonomy

OrganismRattus norvegicus [Animal]

Tax ID10116

Structure & Mods

Configlinear peptide [Linear]

Chiralitycanonical L-amino-acid peptide [L]

C-TermAmidation

Bio-Activity Profile

Function

Hormone

TargetGPR10

RECORD: Rec_0059557 VERIFIED: NO

Provenance & Taxonomy

OrganismRattus norvegicus [Animal]

FamilyProlactin-releasing peptide PrRP31

Tax ID10116

Structure & Mods

Configlinear peptide [Linear]

Chiralitycanonical L-amino-acid peptide [L]

C-TermAmidation

Bio-Activity Profile

Function

Hormone Endocrine Neuropeptide Neuromodulator Metabolic regulation Physiological regulation Growth regulation Development regulation Receptor modulation Feeding regulator

Half-LifeMammalian: 1.9 hour; Yeast: >20 hour; E. coli: >10 hour

RECORD: Rec_0122249 VERIFIED: NO

Provenance & Taxonomy

OrganismRattus norvegicus [Animal]

FamilyFMRFamide related peptide

Tax ID10116

Structure & Mods

Configlinear peptide [Linear]

Chiralitycanonical L-amino-acid peptide [L]

C-TermAmidation

Bio-Activity Profile

Function

RFamide Neuropeptide Neuromodulator

RECORD: Rec_0269683 VERIFIED: YES

Provenance & Taxonomy

Organismnot reported [other]

Structure & Mods

Configlinear peptide [Linear]

Chiralitycanonical L-amino-acid peptide [L]

N-TermNone

C-TermNone

Bio-Activity Profile

Function

Cell-Cell Communication