>5n9j_C mol:protein length:138 Mediator of RNA polymerase II transcription subunit 19MAQAPEYHYVGSVDYQPTRPSAHQNLIELYGLTELAKKVGRVDEFGNKRKMRRSYKAYIQDLPGYNEILRDNTIKQWLTNPIREEVPIDIEFLHHVFSVEPGIIPGFNPKVFGLEDDVVMGNVSRDSSQPRSPSRRKK