Peptide Database

Peptide NameInfluenza hemagglutinin [(HA) 91–108] derivative

Function Ontology

Immunology ▸ Immunomodulation ▸ Modulate immune response

Standard StatusStandard

Sequence Length18 amino acids

Chemical FormulaC93H130N20O30S

DescriptionStandard

        CKAFSNSYPYDVPDYASL
    

Molecular Weight2040.21 Da

Isoelectric Point (pI)4.21

Net Charge (pH 7.0)-1.25

Net Charge (pH 7.4) -1.48

Charge Density (pH 7.0) -0.0695

GRAVY Index-0.39

Hydrophobic Moment 0.30

Boman Index0.07

Instability Index49.12

Aliphatic Index 48.89

Aromaticity 0.2222

Extinction Coeff. Reduced 4470.00

Extinction Coeff. Oxidized 4470.00

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

Amino Acid Composition

TPSA 805.53

LogP -7.66

H-bond Donors 28.0

H-bond Acceptors 30.0

Rotatable Bonds 58.0

Heavy Atoms 144.0

Ring Count 6.0

Amide Bonds 18.0

3D PDB MODEL

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2D CHEMICAL STRUCTURE

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RECORD: Rec_0204658 VERIFIED: YES

Provenance & Taxonomy

Organismnot reported [other]

Structure & Mods

Configlinear peptide [Linear]

Chiralitycanonical L-amino-acid peptide [L]

N-TermAcetylation

C-TermAmidation

Bio-Activity Profile

Function

Modulate immune response

MethodRP-HPLC

Half-LifeBALB/c mice lung homogenate, in vitro; 120 s