Peptide Database

Peptide NamePeptide chain A in PDB 2QOS

Function Ontology

Binding / Molecular interaction ▸ Binding activity

Binding / Molecular interaction ▸ Protein-protein interaction

Standard StatusStandard

Sequence Length11 amino acids

Chemical FormulaC61H95N17O20

DescriptionStandard

        LRYDSTAERLY
    

Molecular Weight1386.51 Da

Isoelectric Point (pI)6.07

Net Charge (pH 7.0)-0.24

Net Charge (pH 7.4) -0.45

Charge Density (pH 7.0) -0.0216

GRAVY Index-0.97

Hydrophobic Moment 0.48

Boman Index-0.33

Instability Index58.78

Aliphatic Index 80.00

Aromaticity 0.1818

Extinction Coeff. Reduced 2980.00

Extinction Coeff. Oxidized 2980.00

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

Amino Acid Composition

TPSA 633.64

LogP -5.51

H-bond Donors 24.0

H-bond Acceptors 20.0

Rotatable Bonds 44.0

Heavy Atoms 98.0

Ring Count 2.0

Amide Bonds 10.0

3D PDB MODEL

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2D CHEMICAL STRUCTURE

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RECORD: Rec_0324538 VERIFIED: YES

Provenance & Taxonomy

Organismsynthetic construct [Synthetic]

Familyprotein-binding peptide

Structure & Mods

Configlinear peptide [Linear]

Chiralitycanonical L-amino-acid peptide [L]

Bio-Activity Profile

Function

Protein-binding Peptide-protein interaction Structural binding

TargetComplement component C8 gamma (C8γ; PDB 2QOS receptor chain C)

MethodX-ray diffraction protein-peptide complex structure