Site-directed circular dichroism of proteins: 1Lb bands of Trp resolve position-specific features in tear lipocalin.

doi:10.1016/j.ab.2007.11.002

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Article

Site-directed circular dichroism of proteins: 1Lb bands of Trp resolve position-specific features in tear lipocalin.

Analytical biochemistry - 15 Mar 2008

Gasymov Oktay K, Abduragimov Adil R, Glasgow Ben J

Abstract excerpt

The absorption spectra of N-acetyl-L-tryptophanamide in various solvents were resolved into the sums of the (1)L(a) and (1)L(b) components. The relative intensities of the 0-0 transitions of the (1)L(b) bands correlate linearly with the solvent polarity values (E(T)(N)). A novel strategy that uses a set of the experimental (1)L(b) bands was employed to resolve the near-UV circular dichroism (CD) spectra of...

Topics

Absorption
Apoproteins
Circular Dichroism
Dimethyl Sulfoxide
Humans
Lipocalin 1
Mutagenesis, Site-Directed
Mutant Proteins
Mutation
Peptide Mapping
Sensitivity and Specificity
Solvents
Tryptophan
Tyrosine
Ultraviolet Rays

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Identifiers

PMID: 18047823
DOI: 10.1016/j.ab.2007.11.002
PMCID: PMC2277336

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