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Groups from around the world involved in protein tertiary structure classification and structure comparision met in Paris to discuss and compare, for the first time, existing classification schemes.
The structure of the N-terminal Ig-superfamily (IgSF) domain of NCAM has a high similarity with the intermediate set of Ig-like domains: the first domain of the vascular cell adhesion molecule (VCAM-1), the M5 domain in titin, and telokin.
The structure of beef heart cytochrome c oxidase has been determined. The structural information provides new insights into the mechanism of electron transfer-driven proton translocation. It does not explain why the eukaryotic form of the enzyme is so complex, with 13 different subunits.
New evidence for partial specific tertiary interactions within an apomyoglobin folding intermediate force reexamination of the role of specific contacts in stabilizing the molten globule.
Unanticipated similarities between apo-calmodulin and the myosin essential light chain suggest structural characteristics responsible lor IQ-motif binding as well as calcium induced conformational changes.