Peptide Database

Peptide NameHemoglobin subunit alpha-D (1-42)

Function Ontology

Antimicrobial

Antimicrobial ▸ Antibacterial

Standard StatusStandard

Sequence Length42 amino acids

Chemical FormulaC218H336N56O68S2

DescriptionStandard

        MLTAEDKKLIQQAWEKAASHQEEFGAEALTRMFTTYPQTKTY
    

Molecular Weight4893.46 Da

Isoelectric Point (pI)5.63

Net Charge (pH 7.0)-1.40

Net Charge (pH 7.4) -1.69

Charge Density (pH 7.0) -0.0334

GRAVY Index-0.78

Hydrophobic Moment 0.60

Boman Index-0.08

Instability Index32.74

Aliphatic Index 51.43

Aromaticity 0.1190

Extinction Coeff. Reduced 8480.00

Extinction Coeff. Oxidized 8480.00

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

Amino Acid Composition

TPSA 2036.31

LogP -18.79

H-bond Donors 70.0

H-bond Acceptors 70.0

Rotatable Bonds 164.0

Heavy Atoms 344.0

Ring Count 8.0

Amide Bonds 45.0

3D PDB MODEL

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2D CHEMICAL STRUCTURE

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RECORD: Rec_0107797 VERIFIED: YES

Provenance & Taxonomy

Organismsynthetic construct [Synthetic]

Tax ID32630

Structure & Mods

Configlinear peptide [Linear]

Chiralitycanonical L-amino-acid peptide [L]

Bio-Activity Profile

Function

Antimicrobial Antibacterial

TargetEscherichia coli K-12

Activity5.5 μM

MethodMIC