Discuss the functions of molecular chaperones and compare Hsp70 family chaperones with chaperonins (i.e. Hsp60-family chaperones) Describe the...

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Biology

Discuss the functions of molecular chaperones and compareHsp70 family chaperones with chaperonins (i.e. Hsp60-familychaperones)
Describe the various types of posttranslational modifications(note: protein splicing will not be covered)
Compare cotranslational and posttranslational import,discussing where translation occurs in each case

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Molecular chaperones were first identified in bacteria Ecoli but are present in both prokaryotes and eukaryotes There are two type of chaperones 1 Hsp60 and 2Hsp70 families Function of molecular chaperones 1 molecular chaperones mainly by preventing formation of incorrect structure rather than by promoting formation of correct sequence 2 molecular chaperones also required to assist the refolding of stress denatured protein 3 formation of oligomeric structure 4 protein trafficking through membranes and assistance in protieolytic degradation Comparison between Hsp70 and Hsp60 Hsp70 The members of Hsp70 Hsp70 Hsp40Hsc70 and GrpE act early in the life of many protein binding to a string of about seven See Answer

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