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FEBS letters

X-ray characterisation of an additional binding site in lysozyme.


PMID 4007162

Abstract

Bromophenol red (BPR) binds to lysozyme and inhibits its activity against bacterial cell walls, but not against the polysaccharide component of peptidoglycan. The binding site of BPR in the enzyme has been characterised by X-ray analysis of the complex at 5.5A resolution. The new binding site, which is outside the cleft close to subsite F, is presumably involved in interactions with the peptide component of peptidoglycan, in the action of lysozyme against bacterial cell walls.