| KEGG ID | KO | Definition |
| kpn:KPN_02991 | K00138 | aldehyde dehydrogenase B (lactaldehyde dehydrogenase) |
| kpu:KP1_4252 | K00138 | aldehyde dehydrogenase B |
| kpp:A79E_1108 | K00138 | Aldehyde dehydrogenase |
| kph:KPNIH24_08465 | K00138 | aldehyde dehydrogenase |
| kpz:KPNIH27_19605 | K00138 | aldehyde dehydrogenase |
| kpv:KPNIH29_20395 | K00138 | aldehyde dehydrogenase |
| kpw:KPNIH30_20405 | K00138 | aldehyde dehydrogenase |
| kpy:KPNIH31_19620 | K00138 | aldehyde dehydrogenase |
| kpg:KPNIH32_21265 | K00138 | aldehyde dehydrogenase |
| kpc:KPNIH10_20245 | K00138 | aldehyde dehydrogenase |
| kpq:KPR0928_19725 | K00138 | aldehyde dehydrogenase |
| kpt:VK055_4528 | K00138 | aldehyde dehydrogenase family protein |
| kpe:KPK_1140 | K00138 | aldehyde dehydrogenase |
| kpo:KPN2242_17925 | K00138 | aldehyde dehydrogenase B (lactaldehyde dehydrogenase) |
| kpr:KPR_1299 | K00138 | unnamed protein product; highly similar to putative aldehyde dehydrogenase from Pantoea sp. (tr|C8Q3Q9) |
| kpj:N559_1244 | K00138 | aldehyde dehydrogenase B (lactaldehyde dehydrogenase) |
| kpi:D364_15250 | K00138 | aldehyde dehydrogenase |
| kpa:KPNJ1_01255 | K00138 | NAD-dependent aldehyde dehydrogenase |
| kps:KPNJ2_01281 | K00138 | NAD-dependent aldehyde dehydrogenase |
| kpx:PMK1_00466 | K00138 | Aldehyde dehydrogenase B |
| kpb:FH42_10965 | K00138 | aldehyde dehydrogenase |
| kpne:KU54_006165 | K00138 | aldehyde dehydrogenase |
| kpnu:LI86_06170 | K00138 | aldehyde dehydrogenase |
| kva:Kvar_1079 | K00138 | Aldehyde dehydrogenase (NAD(+)) |
| kpk:A593_05125 | K00138 | aldehyde dehydrogenase |
| kvd:KR75_02540 | K00138 | aldehyde dehydrogenase |
| kvq:SP68_09110 | K00138 | aldehyde dehydrogenase |
| kox:KOX_00375 | K00138 | aldehyde dehydrogenase (NAD(+)) |
| koe:A225_4518 | K00138 | Aldehyde dehydrogenase |
| koy:J415_09335 | K00138 | aldehyde dehydrogenase |
| kom:HR38_26445 | K00138 | aldehyde dehydrogenase |
| kok:KONIH1_22665 | K00138 | aldehyde dehydrogenase |
| koc:AB185_13600 | K00138 | aldehyde dehydrogenase |
| kqu:AVR78_24715 | K00138 | aldehyde dehydrogenase |
| eae:EAE_01340 | K00138 | aldehyde dehydrogenase (NAD(+)) |
| ear:CCG33730 | K00138 | Aldehyde dehydrogenase (EC 1.2.1.3) |
| ror:RORB6_24260 | K00138 | aldehyde dehydrogenase |
| ron:TE10_21820 | K00138 | aldehyde dehydrogenase |
| pge:LG71_09055 | K00138 | aldehyde dehydrogenase |
| yps:YPTB2197 | K00138 | probable aldehyde dehydrogenase |
| ypo:BZ17_263 | K00138 | aldehyde dehydrogenase family protein |
| ypi:YpsIP31758_1862 | K00138 | aldehyde dehydrogenase (NAD) family protein |
| ypy:YPK_1974 | K00138 | Aldehyde Dehydrogenase |
| ypb:YPTS_2271 | K00138 | Aldehyde Dehydrogenase |
| ypq:DJ40_110 | K00138 | aldehyde dehydrogenase family protein |
| ypu:BZ21_1478 | K00138 | aldehyde dehydrogenase family protein |
| ypr:BZ20_4054 | K00138 | aldehyde dehydrogenase family protein |
| ypc:BZ23_1765 | K00138 | aldehyde dehydrogenase family protein |
| ypf:BZ19_1555 | K00138 | aldehyde dehydrogenase family protein |
| srz:AXX16_1281 | K00138 | Aldehyde dehydrogenase |
| pam:PANA_0984 | K00138 | AldA |
| plf:PANA5342_3316 | K00138 | aldehyde dehydrogenase (NAD) family protein |
| paj:PAJ_0310 | K00138 | aldehyde dehydrogenase AldA |
| paq:PAGR_g3222 | K00138 | aldehyde dehydrogenase AldA |
| pao:Pat9b_0931 | K00138 | Aldehyde Dehydrogenase |
| kln:LH22_17615 | K00138 | aldehyde dehydrogenase |