>5u0s_U mol:protein length:138 Mediator complex subunit 21MACRCTQLQDTIDEVATQFYSSIHYLSSHHDFVPLPGQEKVSDSKVNPISAEELQFAQRDLAKDLVTKFMQIDTLINQLPGISTAPKHQLEKIKKLQNSIEEKQLERKSLESENEDLKLQLAKRIETFGRLSCVLFQP