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Structural studies of carbonmonoxy myoglobin photolyzed at ultra-low temperatures have allowed the visualization of an otherwise elusive binding intermediate.
As investigations into the structure and function of the PH domain intensify there are no shortage of clues as to the role of this domain in signal transduction, and yet the physiological ligand remains elusive.
Comparison of BirA and SerRS reveals a striking similarity between their catalytic domains and suggests the possibility of a remote evolutionary realationship
