>sp|P12457|TBB_EUGGR Tubulin beta chain OS=Euglena gracilis OX=3039 GN=TUBB PE=2 SV=1 MREIVHIQAGQCGNQIGSKFWEVISDEQGVDPPDIPGDSDLQLERINVYYNEATGGRYVP AILMDLEPGTMDSVRAGPYGQIFRPDNFVFGQTGAGNNWAKGHYTEGPELIDSVLDVVRK EAESCDCLQGFQIAHSLGGGTGSGMGTLLISKIREEYPDRMMMTFSVIPSPKVSDTVVEP YNTTLSVHQLVENADEVMCIGNEALYDICLPTLKLTTPTFGHETLVSAVMSGVTCCLRFP GQLNSDLRKLAVNLIPFPRLHFFLVGFAPLTSRGSQQYRALTVPELTQQMFDAKNMMAAS DPAHGRYLTASAMFRGRMSTKEVDEQMLNVQNKNSSYFVEWIPNNIKSSVCDIPPKGLKM SATFIGNNTAIQEMFKRVSEQFTAMFRRKAFLHWYTGEGMDEMEFTEAESNMNDLVSEYQ QYQDATVEEEGEFDEEEDVEQY