Peptide Database

Peptide NameMating pheromone Er-22

Function Ontology

Hormonal / Endocrine ▸ Hormone peptide

Standard StatusStandard

Sequence Length37 amino acids

Chemical FormulaC166H266N42O56S6

DescriptionStandard

        DICDIAIAQCSLTLCQDCENTPICELAVKGSCPPPWS
    

Molecular Weight3938.53 Da

Isoelectric Point (pI)4.05

Net Charge (pH 7.0)-4.29

Net Charge (pH 7.4) -4.59

Charge Density (pH 7.0) -0.1160

GRAVY Index0.29

Hydrophobic Moment 0.34

Boman Index0.17

Instability Index34.35

Aliphatic Index 89.73

Aromaticity 0.0270

Extinction Coeff. Reduced 5500.00

Extinction Coeff. Oxidized 5875.00

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

Amino Acid Composition

TPSA 1534.49

LogP -16.72

H-bond Donors 55.0

H-bond Acceptors 58.0

Rotatable Bonds 121.0

Heavy Atoms 270.0

Ring Count 6.0

Amide Bonds 39.0

3D PDB MODEL

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2D CHEMICAL STRUCTURE

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RECORD: Rec_0172536 VERIFIED: YES

Provenance & Taxonomy

OrganismEuplotes raikovi [Protist]

Structure & Mods

Configlinear peptide [Linear]

Chiralitycanonical L-amino-acid peptide [L]

Disulfide3-18; 10-32; 15-24

Bio-Activity Profile

Function

Hormone