Mechanism of enzymatic and nonenzymatic prolyl cis-trans isomerization / Ross L. Stein -- Prolyl isomerases : role in protein folding / Franz X. Schmid [and others] -- Structure and mechanism of 70kDa heat-shock-related proteins / David B. McKay -- PapD and superfamily of periplasmic immunoglobulin-like pilus chaperones / Scott J. Hultgren [and others] -- Protein disulfide-isomerase : role in biosynthesis of secretory proteins / Neil J. Bulleid -- SecB : a molecular chaperone of escherichia coli protein secretion pathway / David N. Collier.