Abstract:Folding of bacteriophage T4 major capsid protein, gp23, is essential to the T4 morphogenesis, and is strictly dependent on Escherichia coli chaperonin GroEL in conjunction with the bacteriophage T4‐ encoded co‐chaperonin, gp31. Gp31 is similar in overall structure to the host homologue GroES, which is unable to assist the GroEL‐mediated folding of gp23. Refolding of gp23 in vitro also requires the GroEL‐gp31 chaperonin complex, which encapsulates the major capsid protein in the Anfinsen cage where it acquires … Show more
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