Peptide Database

Peptide NameCalliFMRFamide-3

Function Ontology

Hormonal / Endocrine ▸ Hormone peptide

Neurological / Signaling ▸ Neuromodulation

Neurological / Signaling ▸ Neuropeptide activity ▸ Neuropeptide

Standard StatusStandard

Sequence Length9 amino acids

Chemical FormulaC49H71N13O15S

DescriptionStandard

        SPSQDFMRF
    

Molecular Weight1114.23 Da

Isoelectric Point (pI)5.55

Net Charge (pH 7.0)-0.54

Net Charge (pH 7.4) -0.75

Charge Density (pH 7.0) -0.0599

GRAVY Index-0.80

Hydrophobic Moment 0.58

Boman Index-0.17

Instability Index105.16

Aliphatic Index 0.00

Aromaticity 0.2222

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 470.08

LogP -4.99

H-bond Donors 16.0

H-bond Acceptors 16.0

Rotatable Bonds 34.0

Heavy Atoms 78.0

Ring Count 3.0

Amide Bonds 9.0

3D PDB MODEL

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2D CHEMICAL STRUCTURE

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RECORD: Rec_0375278 VERIFIED: YES

Provenance & Taxonomy

OrganismCalliphora vomitoria [Animal]

FamilyCalliFMRFamide

Tax ID27454

Structure & Mods

Configlinear peptide [Linear]

Chiralitycanonical L-amino-acid peptide [L]

C-TermAmidation

Bio-Activity Profile

Function

Neuropeptide Neuromodulator

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

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