sp|B2UQY1|RPOC_AKKM8 DNA-directed RNA polymerase subunit beta' OS=Akkermansia muciniphila (strain ATCC BAA-835 / DSM 22959 / JCM 33894 / BCRC 81048 / CCUG 64013 / CIP 107961 / Muc) OX=349741 GN=rpoC PE=3 SV=1