# OC Root 2nd 3rd 4th 5th 6th PC Gene/Definition OC.80213 Bacteria.390230 Proteobacteria.185621 Gammaproteobacteria.208206 Thioalkalivibrio.437 - tgr.2120 tgr:Tgr7_2162 histone deacetylase superfamily; K04768 acetoin utilization protein AcuC OC.80213 Bacteria.390230 Proteobacteria.185621 Gammaproteobacteria.208206 Thioalkalivibrio.437 - tkm.678 tkm:TK90_0653 Histone deacetylase; K04768 acetoin utilization protein AcuC OC.80213 Bacteria.390230 Proteobacteria.185621 Gammaproteobacteria.208206 Thioalkalivibrio.437 - tvr.2012 tvr:TVD_10530 histone deacetylase; K04768 acetoin utilization protein AcuC OC.80213 Bacteria.390230 Proteobacteria.185621 Gammaproteobacteria.208206 - - aprs.879 aprs:BI364_04350 histone deacetylase; K04768 acetoin utilization protein AcuC OC.80213 Bacteria.390230 Proteobacteria.185621 Gammaproteobacteria.208206 - - acii.2235 acii:C4901_12880 acetoin utilization protein AcuC; K04768 acetoin utilization protein AcuC OC.80213 Bacteria.390230 Proteobacteria.185621 Betaproteobacteria.270277 - - sulf.1809 sulf:CAP31_09510 acetoin utilization protein AcuC; K04768 acetoin utilization protein AcuC OC.80213 Bacteria.390230 Proteobacteria.185621 Alphaproteobacteria.34834 - - rbm.3330 rbm:TEF_17500 acetoin utilization protein; K04768 acetoin utilization protein AcuC OC.80213 Bacteria.390230 Proteobacteria.185621 Alphaproteobacteria.34834 Ruegeria.169 - sil.2149 sil:SPO2177 acuC; acetoin utilization protein AcuC; K04768 acetoin utilization protein AcuC OC.80213 Bacteria.390230 Proteobacteria.185621 Alphaproteobacteria.34834 Ruegeria.169 Ruegeria_sp_.1202 rua.991 rua:D1823_05010 acetoin utilization protein AcuC; K04768 acetoin utilization protein AcuC OC.80213 Bacteria.390230 Proteobacteria.185621 Alphaproteobacteria.34834 Rhodobacter.2982 Rhodobacter_sphaeroides.40 rsp.2252 rsp:RSP_2390 acuC1; putative Acetoin utilization protein; K04768 acetoin utilization protein AcuC OC.80213 Bacteria.390230 Proteobacteria.185621 Alphaproteobacteria.34834 Rhodobacter.2982 Rhodobacter_sphaeroides.40 rsh.1033 rsh:Rsph17029_1054 histone deacetylase superfamily; K04768 acetoin utilization protein AcuC OC.80213 Bacteria.390230 Proteobacteria.185621 Alphaproteobacteria.34834 Rhodobacter.2982 Rhodobacter_sphaeroides.40 rsq.1840 rsq:Rsph17025_1882 histone deacetylase superfamily; K04768 acetoin utilization protein AcuC OC.80213 Bacteria.390230 Proteobacteria.185621 Alphaproteobacteria.34834 Rhodobacter.2982 Rhodobacter_sphaeroides.40 rsk.714 rsk:RSKD131_0706 Histone deacetylase superfamily; K04768 acetoin utilization protein AcuC OC.80213 Bacteria.390230 Proteobacteria.185621 Alphaproteobacteria.34834 - - jan.3253 jan:Jann_3274 histone deacetylase superfamily; K04768 acetoin utilization protein AcuC OC.80213 Bacteria.390230 Proteobacteria.185621 Alphaproteobacteria.34834 Roseobacter.39 - rde.104 rde:RD1_0096 acetoin utilization protein, putative; K04768 acetoin utilization protein AcuC OC.80213 Bacteria.390230 Proteobacteria.185621 Alphaproteobacteria.34834 Roseobacter.39 - rli.4418 rli:RLO149_p940300 deacetylase; K04768 acetoin utilization protein AcuC OC.80213 Bacteria.390230 Proteobacteria.185621 Alphaproteobacteria.34834 - - dsh.2119 dsh:Dshi_2054 histone deacetylase family protein; K04768 acetoin utilization protein AcuC OC.80213 Bacteria.390230 Proteobacteria.185621 Alphaproteobacteria.34834 Phaeobacter.1108 Phaeobacter_inhibens.2015 pga.3418 pga:PGA1_c32070 conserved hypothetical protein, histone deacetylase-like protein; K04768 acetoin utilization protein AcuC OC.80213 Bacteria.390230 Proteobacteria.185621 Alphaproteobacteria.34834 Phaeobacter.1108 Phaeobacter_inhibens.2015 pgl.387 pgl:PGA2_c00630 hypothetical protein; K04768 acetoin utilization protein AcuC OC.80213 Bacteria.390230 Proteobacteria.185621 Alphaproteobacteria.34834 Phaeobacter.1108 - pgd.52 pgd:Gal_00041 Deacetylase; K04768 acetoin utilization protein AcuC OC.80213 Bacteria.390230 Proteobacteria.185621 Alphaproteobacteria.34834 Phaeobacter.1108 - php.83 php:PhaeoP97_00075 Deacetylase; K04768 acetoin utilization protein AcuC OC.80213 Bacteria.390230 Proteobacteria.185621 Alphaproteobacteria.34834 Phaeobacter.1108 - ppic.49 ppic:PhaeoP14_00041 Deacetylase; K04768 acetoin utilization protein AcuC OC.80213 Bacteria.390230 Proteobacteria.185621 Alphaproteobacteria.34834 Phaeobacter.1108 - phq.2622 phq:D1820_13485 acetoin utilization protein AcuC; K04768 acetoin utilization protein AcuC OC.80213 Bacteria.390230 Proteobacteria.185621 Alphaproteobacteria.34834 - - lmd.3581 lmd:METH_18990 acetoin utilization protein; K04768 acetoin utilization protein AcuC OC.80213 Bacteria.390230 Proteobacteria.185621 Alphaproteobacteria.34834 - - red.1915 red:roselon_02045 Deacetylase; K04768 acetoin utilization protein AcuC OC.80213 Bacteria.390230 Proteobacteria.185621 Alphaproteobacteria.34834 - - con.1090 con:TQ29_05575 acetoin utilization protein; K04768 acetoin utilization protein AcuC OC.80213 Bacteria.390230 Proteobacteria.185621 Alphaproteobacteria.34834 Rhodovulum.4194 Rhodovulum_sp_.1966 rhc.1296 rhc:RGUI_1291 Deacetylase; K04768 acetoin utilization protein AcuC OC.80213 Bacteria.390230 Proteobacteria.185621 Alphaproteobacteria.34834 Yangia.1617 - yan.2749 yan:AYJ57_13845 acetoin utilization protein; K04768 acetoin utilization protein AcuC OC.80213 Bacteria.390230 Proteobacteria.185621 Alphaproteobacteria.34834 Yangia.1617 - ypac.1300 ypac:CEW88_06660 acetoin utilization protein AcuC; K04768 acetoin utilization protein AcuC OC.80213 Bacteria.390230 Proteobacteria.185621 Alphaproteobacteria.34834 Sulfitobacter.13059 - spse.3090 spse:SULPSESMR1_03139 acuC; acetoin utilization protein AcuC; K04768 acetoin utilization protein AcuC OC.80213 Bacteria.390230 Proteobacteria.185621 Alphaproteobacteria.34834 Sulfitobacter.10504 Sulfitobacter_sp_.10731 sulz.4088 sulz:C1J03_21525 acetoin utilization protein AcuC; K04768 acetoin utilization protein AcuC OC.80213 Bacteria.390230 Proteobacteria.185621 Alphaproteobacteria.34834 - - tpro.3772 tpro:Ga0080559_TMP4436 acetoin utilization protein AcuC; K04768 acetoin utilization protein AcuC OC.80213 Bacteria.390230 Proteobacteria.185621 Alphaproteobacteria.34834 - - paby.3222 paby:Ga0080574_TMP3922 acetoin utilization protein AcuC; K04768 acetoin utilization protein AcuC OC.80213 Bacteria.390230 Proteobacteria.185621 Alphaproteobacteria.34834 Roseovarius.447 - rmm.1414 rmm:ROSMUCSMR3_01409 acuC; acetoin utilization protein AcuC; K04768 acetoin utilization protein AcuC OC.80213 Bacteria.390230 Proteobacteria.185621 Alphaproteobacteria.34834 Roseovarius.447 - rok.1763 rok:RAK1035_1759 Deacetylase; K04768 acetoin utilization protein AcuC OC.80213 Bacteria.390230 Proteobacteria.185621 Alphaproteobacteria.34834 - - lvs.797 lvs:LOKVESSMR4R_00713 acuC; acetoin utilization protein AcuC; K04768 acetoin utilization protein AcuC OC.80213 Bacteria.390230 Proteobacteria.185621 Alphaproteobacteria.34834 - - aht.3460 aht:ANTHELSMS3_03571 acuC; acetoin utilization protein AcuC; K04768 acetoin utilization protein AcuC OC.80213 Bacteria.390230 Proteobacteria.185621 Alphaproteobacteria.34834 - - rbg.1203 rbg:BG454_06230 acetoin utilization protein AcuC; K04768 acetoin utilization protein AcuC OC.80213 Bacteria.390230 Proteobacteria.185621 Alphaproteobacteria.34834 - - sagu.3917 sagu:CDO87_20080 acetoin utilization protein AcuC; K04768 acetoin utilization protein AcuC OC.80213 Bacteria.390230 Proteobacteria.185621 Alphaproteobacteria.34834 - - geh.777 geh:HYN69_03970 acetoin utilization protein AcuC; K04768 acetoin utilization protein AcuC OC.80213 Bacteria.390230 Proteobacteria.185621 Alphaproteobacteria.34834 Altererythrobacter.6817 - aep.772 aep:AMC99_00786 Deacetylase, including histone deacetylase and acetoin utilization protein; K04768 acetoin utilization protein AcuC OC.80213 Bacteria.390230 Proteobacteria.185621 Alphaproteobacteria.34834 Acidiphilium.2750 - acr.760 acr:Acry_0697 histone deacetylase superfamily; K04768 acetoin utilization protein AcuC OC.80213 Bacteria.390230 Proteobacteria.185621 Alphaproteobacteria.34834 Acidiphilium.2750 - amv.1242 amv:ACMV_11730 putative acetoin utilization protein; K04768 acetoin utilization protein AcuC OC.80213 Bacteria.390230 Proteobacteria.185621 Alphaproteobacteria.34834 Roseomonas.655 - rgi.1641 rgi:RGI145_08360 acetoin utilization protein; K04768 acetoin utilization protein AcuC OC.80213 Bacteria.390230 Proteobacteria.185621 Alphaproteobacteria.34834 Roseomonas.655 - ros.1534 ros:CTJ15_09015 acetoin utilization protein AcuC; K04768 acetoin utilization protein AcuC OC.80213 Bacteria.390230 Proteobacteria.185621 Alphaproteobacteria.34834 Azospirillum.4409 Azospirillum_sp_.2325 azl.1550 azl:AZL_014920 histone deacetylase; K04768 acetoin utilization protein AcuC OC.80213 Bacteria.390230 Proteobacteria.185621 Alphaproteobacteria.34834 Azospirillum.4409 - ali.1250 ali:AZOLI_1359 putative deacetylase; histone deacetylase superfamily; K04768 acetoin utilization protein AcuC OC.80213 Bacteria.390230 Proteobacteria.185621 Alphaproteobacteria.34834 Azospirillum.4409 Azospirillum_brasilense.506 abs.1096 abs:AZOBR_120031 putative deacetylase; histone deacetylase superfamily (fragment); K04768 acetoin utilization protein AcuC OC.80213 Bacteria.390230 Proteobacteria.185621 Alphaproteobacteria.34834 Azospirillum.4409 Azospirillum_brasilense.506 abq.1267 abq:ABAZ39_06495 acetoin utilization protein; K04768 acetoin utilization protein AcuC OC.80213 Bacteria.390230 Proteobacteria.185621 Alphaproteobacteria.34834 Azospirillum.4409 Azospirillum_brasilense.506 abf.1521 abf:AMK58_07590 acetoin utilization protein; K04768 acetoin utilization protein AcuC OC.80213 Bacteria.390230 Proteobacteria.185621 Alphaproteobacteria.34834 Azospirillum.4409 - ati.2332 ati:AL072_12120 acetoin utilization protein; K04768 acetoin utilization protein AcuC OC.80213 Bacteria.390230 Proteobacteria.185621 Alphaproteobacteria.34834 Azospirillum.4409 - ahu.999 ahu:A6A40_05150 acetoin utilization protein; K04768 acetoin utilization protein AcuC OC.80213 Bacteria.390230 Proteobacteria.185621 Alphaproteobacteria.34834 Azospirillum.4409 Azospirillum_sp_.11259 azt.869 azt:TSH58p_04250 acetoin utilization protein AcuC; K04768 acetoin utilization protein AcuC OC.80213 Bacteria.390230 Proteobacteria.185621 Alphaproteobacteria.34834 Azospirillum.4409 Azospirillum_sp_.6805 azm.898 azm:DM194_04585 acetoin utilization protein AcuC; K04768 acetoin utilization protein AcuC OC.80213 Bacteria.390230 Proteobacteria.185621 Alphaproteobacteria.34834 Thalassospira.466 - txi.1634 txi:TH3_08280 histone deacetylase; K04768 acetoin utilization protein AcuC OC.80213 Bacteria.390230 Proteobacteria.185621 Alphaproteobacteria.34834 Thalassospira.466 - thac.1543 thac:CSC3H3_07865 acetoin utilization protein AcuC; K04768 acetoin utilization protein AcuC OC.80213 Bacteria.390230 Proteobacteria.185621 Alphaproteobacteria.34834 Thalassospira.466 - tii.2101 tii:DY252_11085 acetoin utilization protein AcuC; K04768 acetoin utilization protein AcuC OC.80213 Bacteria.390230 Proteobacteria.185621 Alphaproteobacteria.34834 - - ncb.824 ncb:C0V82_03770 acetoin utilization protein AcuC; K04768 acetoin utilization protein AcuC OC.80213 Bacteria.390230 Proteobacteria.185621 Other_proteobacteria.273 Acidithiobacillus.13 Acidithiobacillus_ferrooxidans.1014 afe.2010 afe:Lferr_2162 histone deacetylase superfamily; K04768 acetoin utilization protein AcuC OC.80213 Bacteria.390230 Proteobacteria.185621 Other_proteobacteria.273 Acidithiobacillus.13 Acidithiobacillus_ferrooxidans.1014 afr.2371 afr:AFE_2534 histone deacetylase family protein; K04768 acetoin utilization protein AcuC OC.80213 Bacteria.390230 Proteobacteria.185621 Other_proteobacteria.273 Acidithiobacillus.13 Acidithiobacillus_caldus.1011 acu.2220 acu:Atc_2331 acetoin utilization protein AcuC; K04768 acetoin utilization protein AcuC OC.80213 Bacteria.390230 Proteobacteria.185621 Other_proteobacteria.273 Acidithiobacillus.13 Acidithiobacillus_caldus.1011 acz.2101 acz:Acaty_c2174 acetoin utilization protein AcuC; K04768 acetoin utilization protein AcuC OC.80213 Bacteria.390230 Proteobacteria.185621 Other_proteobacteria.273 Acidithiobacillus.13 - afi.2215 afi:Acife_2455 histone deacetylase superfamily; K04768 acetoin utilization protein AcuC OC.80213 Bacteria.390230 Aquificae.181 - - - aae.105 aae:aq_1023 acuC1; acetoin utilization protein; K04768 acetoin utilization protein AcuC OC.80213 Bacteria.390230 Aquificae.181 Hydrogenobaculum.1137 - - hya.642 hya:HY04AAS1_0643 histone deacetylase superfamily; K04768 acetoin utilization protein AcuC OC.80213 Bacteria.390230 Aquificae.181 Hydrogenobaculum.1137 - - hho.619 hho:HydHO_0632 Histone deacetylase; K04768 acetoin utilization protein AcuC OC.80213 Bacteria.390230 Aquificae.181 Hydrogenobaculum.1137 - - hys.612 hys:HydSN_0647 deacetylase, histone deacetylase/acetoin utilization protein; K04768 acetoin utilization protein AcuC OC.80213 Bacteria.390230 Aquificae.181 Hydrogenobacter.1126 - - hth.360 hth:HTH_0359 acuC1; acetoin utilization protein; K04768 acetoin utilization protein AcuC OC.80213 Bacteria.390230 Aquificae.181 Hydrogenobacter.1126 - - hte.351 hte:Hydth_0357 Histone deacetylase; K04768 acetoin utilization protein AcuC OC.80213 Bacteria.390230 Aquificae.181 Thermocrinis.1550 - - tal.1499 tal:Thal_1520 Histone deacetylase; K04768 acetoin utilization protein AcuC OC.80213 Bacteria.390230 Aquificae.181 Thermocrinis.1592 - - trd.21 trd:THERU_00025 acetoin utilization protein; K04768 acetoin utilization protein AcuC