| ID: 93775155 | his operon leader peptide [Shigella sonnei] | | C1P89_RS03840 |
| ID: 93266206 | his operon leader peptide [Enterobacter vonholyi] | | AB3N39_RS13415, AB3N39_13415 |
| ID: 93246374 | his operon leader peptide [Enterobacter chuandaensis] | | MX657_RS14805, MX657_14795 |
| ID: 93155962 | his operon leader peptide [Enterobacter kobei] | | LCD42_RS14280, LCD42_14310 |
| ID: 93033651 | his operon leader peptide [Citrobacter amalonaticus] | | LA348_RS10360, LA348_10360 |
| ID: 92972648 | his operon leader peptide [Citrobacter farmeri] | | I6L53_RS08045, I6L53_08045 |
| ID: 92827839 | his operon leader peptide [Atlantibacter hermannii] | | I6G45_RS06225, I6G45_06225 |
| ID: 89516804 | his operon leader peptide [Escherichia albertii] | | PS053_RS05255, PS053_05255 |
| ID: 88816505 | his operon leader peptide [Pseudescherichia vulneris] | | FN633_RS14545 |
| ID: 88091999 | his operon leader peptide [Enterobacter soli] | NC_015968.1 (2966922..2966972) | ENTAS_RS25260 |
| ID: 86946972 | his operon leader peptide [Escherichia marmotae] | | J8I93_RS13290, J8I93_13140 |
| ID: 86860152 | his operon leader peptide [Escherichia ruysiae] | | RGV86_RS04210, RGV86_04210 |
| ID: 84664528 | his operon leader peptide [Atlantibacter subterranea] | | NLZ15_RS07890, NLZ15_07890 |
| ID: 84236118 | his operon leader peptide [Citrobacter sedlakii] | | JY391_RS08640, JY391_08640 |
| ID: 83574320 | his operon leader peptide [Enterobacter cloacae] | | LQ108_RS15040 |
| ID: 75203884 | his operon leader peptide [Shigella boydii] | | CEH00_RS10445, CEH00_10515 |
| ID: 75172140 | his operon leader peptide [Shigella dysenteriae] | | HUZ68_RS14100, HUZ68_13950 |
| ID: 75134470 | his operon leader peptide [Enterobacter asburiae] | | FOY94_RS14490 |
| ID: 75056865 | his operon leader peptide [Escherichia fergusonii] | | LA347_RS03595, LA347_03595 |
| ID: 72832766 | his operon leader peptide [Enterobacter sichuanensis] | | C1N69_RS14680, C1N69_14825 |