Peptide Database

Peptide NamePart peptide 27 (Hemoglobin subunit alpha)

Function Ontology

Antimicrobial

Standard StatusStandard

Sequence Length18 amino acids

Chemical FormulaC85H131N23O25

DescriptionStandard

        AAHLPAEFTPAVHASLDK
    

Molecular Weight1875.09 Da

Isoelectric Point (pI)6.00

Net Charge (pH 7.0)-1.03

Net Charge (pH 7.4) -1.32

Charge Density (pH 7.0) -0.0570

GRAVY Index0.09

Hydrophobic Moment 0.31

Boman Index0.20

Instability Index32.11

Aliphatic Index 87.22

Aromaticity 0.0556

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 738.88

LogP -6.48

H-bond Donors 24.0

H-bond Acceptors 26.0

Rotatable Bonds 55.0

Heavy Atoms 133.0

Ring Count 5.0

Amide Bonds 17.0

3D PDB MODEL

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2D CHEMICAL STRUCTURE

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RECORD: Rec_0198534 VERIFIED: NO

Provenance & Taxonomy

OrganismHomo sapiens [Animal]

Tax ID9606

Structure & Mods

Configlinear peptide [Linear]

Chiralitycanonical L-amino-acid peptide [L]

Bio-Activity Profile

Function

Antimicrobial

RECORD: Rec_0433028 VERIFIED: YES

Provenance & Taxonomy

OrganismHomo sapiens [Animal]

FamilyHemoglobin-derived peptide

Structure & Mods

Configlinear peptide [Linear]

Chiralitycanonical L-amino-acid peptide [L]

Bio-Activity Profile

Function

MHC ligand Antigen presentation

Targethuman HLA molecules

Methodcellular MHC/mass spectrometry