sp|Q7NZI0|NUOB1_CHRVO NADH-quinone oxidoreductase subunit B 1 OS=Chromobacterium violaceum (strain ATCC 12472 / DSM 30191 / JCM 1249 / NBRC 12614 / NCIMB 9131 / NCTC 9757) OX=243365 GN=nuoB1 PE=3 SV=1