>sp|Q21F20|NUSB_SACD2 Transcription antitermination protein NusB OS=Saccharophagus degradans GN=nusB MKVSAAARGRARHFAMQALYQWEMSGNALHVIEAEFHTDNDMSKVDVEYFHEILHGVAAI KSTLDETFKPFLTGLRLDEIDPVSLAVLRQACYEFEKRVDVPYKVVINEAVNLAKKFGAA DSHKFINGVLDKVALRVRKDEVEAMRTGRS