3B). R526 through the loop among αJ and αI anchors the C-terminal portion of the activation loop by forming a salt bridge with E458 at the base of αEF. Q459 stabilizes the HRD motif by a hydrogen bond to the https://tasneemyhqj551599.csublogs.com/36090080/how-much-you-need-to-expect-you-ll-pay-for-a-good-pkrrating