Class of enzymes
Non-chaperonin molecular chaperone ATPase (EC 3.6.4.10 , molecular chaperone Hsc70 ATPase ) is an enzyme with systematic name ATP phosphohydrolase (polypeptide-polymerizing) .[ 1] [ 2] [ 3] [ 4] [ 5] This enzyme catalyses the following chemical reaction
ATP + H2 O
⇌
{\displaystyle \rightleftharpoons }
ADP + phosphate
These enzymes perform many functions that are similar to those of chaperonins .
^ Sadis S, Hightower LE (October 1992). "Unfolded proteins stimulate molecular chaperone Hsc70 ATPase by accelerating ADP/ATP exchange". Biochemistry . 31 (39): 9406– 12. doi :10.1021/bi00154a012 . PMID 1356434 .
^ Blond-Elguindi S, Fourie AM, Sambrook JF, Gething MJ (June 1993). "Peptide-dependent stimulation of the ATPase activity of the molecular chaperone BiP is the result of conversion of oligomers to active monomers". The Journal of Biological Chemistry . 268 (17): 12730– 5. PMID 8509407 .
^ Wawrzynow A, Wojtkowiak D, Marszalek J, Banecki B, Jonsen M, Graves B, Georgopoulos C, Zylicz M (May 1995). "The ClpX heat-shock protein of Escherichia coli, the ATP-dependent substrate specificity component of the ClpP-ClpX protease, is a novel molecular chaperone" . The EMBO Journal . 14 (9): 1867– 77. PMC 398286 . PMID 7743994 .
^ Sriram M, Osipiuk J, Freeman B, Morimoto R, Joachimiak A (March 1997). "Human Hsp70 molecular chaperone binds two calcium ions within the ATPase domain" . Structure . 5 (3): 403– 14. doi :10.1016/s0969-2126(97)00197-4 . PMID 9083109 .
^ Li X, Su RT, Hsu HT, Sze H (January 1998). "The molecular chaperone calnexin associates with the vacuolar H(+)-ATPase from oat seedlings" . The Plant Cell . 10 (1): 119– 30. doi :10.2307/3870633 . PMC 143936 . PMID 9477575 .
Activity Regulation Classification Kinetics Types