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Deprecated: Implicit conversion from float 209.6 to int loses precision in C:\Inetpub\vhosts\kidney.de\httpdocs\pget.php on line 534 Int+J+Mol+Sci 2017 ; 18 (3): ä Nephropedia Template TP
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Proline Residues as Switches in Conformational Changes Leading to Amyloid Fibril Formation #MMPMID28272335
Taler-Ver?i? A; Hasanba?i? S; Berbi? S; Stoka V; Turk D; ?erovnik E
Int J Mol Sci 2017[Mar]; 18 (3): ä PMID28272335show ga
Here we discuss studies of the structure, folding, oligomerization and amyloid fibril formation of several proline mutants of human stefin B, which is a protein inhibitor of lysosomal cysteine cathepsins and a member of the cystatin family. The structurally important prolines in stefin B are responsible for the slow folding phases and facilitate domain swapping (Pro 74) and loop swapping (Pro 79). Moreover, our findings are compared to ?2-microglobulin, a protein involved in dialysis-related amyloidosis. The assessment of the contribution of proline residues to the process of amyloid fibril formation may shed new light on the critical molecular events involved in conformational disorders.