| ID: 93348024 | heme oxygenase [Paenibacillus polymyxa ATCC 842] | | CUU60_RS12290, CUU60_12225 |
| ID: 93006572 | heme oxygenase [Bacillus tropicus] | | P3F89_RS04705, P3F89_04700 |
| ID: 92884868 | heme oxygenase [Bacillus nitratireducens] | | Q3V31_RS13625 |
| ID: 92854237 | heme oxygenase [Bacillus sonorensis] | | SK061_RS16250, SK061_16250 |
| ID: 92798870 | heme oxygenase [Bacillus mobilis] | | BAQ44_RS02320, BAQ44_24740 |
| ID: 87598813 | heme oxygenase [Halalkalibacterium halodurans] | | FED51_RS16710 |
| ID: 83638251 | heme oxygenase [Bacillus albus] | | QRY64_RS25625, QRY64_25600 |
| ID: 75087702 | heme oxygenase [Bacillus paranthracis] | | NLJ82_RS22225, NLJ82_22225 |
| ID: 72451203 | heme oxygenase [Bacillus cereus] | | FORC47_RS23375, FORC47_4462 |
| ID: 71022328 | heme oxygenase [Paenibacillus peoriae KCTC 3763] | | KQI_RS0100450 |
| ID: 69530058 | heme oxygenase [Bacillus pacificus] | | LMD38_RS04210, LMD38_04210 |
| ID: 67468838 | heme oxygenase [Bacillus thuringiensis serovar berliner ATCC 10792] | | BTHUR0008_RS21745, bthur0008_43560 |
| ID: 66265903 | heme oxygenase [Bacillus mycoides] | | EXW63_RS18800, EXW63_19235 |
| ID: 64185840 | heme oxygenase [Bacillus toyonensis] | | I0K03_RS22140, I0K03_22140 |
| ID: 45024413 | heme oxygenase [Bacillus anthracis str. 'Ames Ancestor'] | NC_007530.2 (4346688..4347011) | GBAA_RS23230, GBAA4782, GBAA_4782 |