| KEGG ID | KO | Definition |
| ece:Z4913 | K25132 | putative periplasmic binding protein |
| ecs:ECs4382 | ||
| ecf:ECH74115_4861 | K25132 | periplasmic-binding protein |
| etw:ECSP_4491 | K25132 | putative periplasmic heme-binding protein |
| elx:CDCO157_4119 | K25132 | putative hemin binding protein |
| ecoo:ECRM13514_4489 | K25132 | Periplasmic hemin-binding protein |
| ecoh:ECRM13516_4289 | K25132 | Periplasmic hemin-binding protein |
| ecg:E2348C_3744 | K25132 | putative hemin binding protein |
| eok:G2583_4237 | K25132 | Putative periplasmic binding protein |
| elr:ECO55CA74_20275 | K25132 | putative periplasmic binding protein |
| ecc:c4313 | K25132 | Putative Periplasmic binding protein |
| ecp:ECP_3600 | K25132 | putative periplasmic binding protein (putative hemin binding protein) |
| eci:UTI89_C4033 | K25132 | putative periplasmic binding protein |
| ecv:APECO1_2947 | K25132 | putative periplasmic binding protein ChuT |
| ecm:EcSMS35_3804 | K25132 | periplasmic-binding protein |
| ecq:ECED1_4180 | K25132 | putative periplasmic binding protein |
| ect:ECIAI39_4004 | K25132 | putative periplasmic binding protein |
| eoc:CE10_4045 | K25132 | putative periplasmic binding protein |
| eum:ECUMN_4002 | K25132 | putative periplasmic binding protein |
| ecz:ECS88_3914 | K25132 | putative periplasmic binding protein |
| elo:EC042_3796 | K25132 | hemin-binding protein |
| eln:NRG857_17395 | K25132 | putative periplasmic binding protein ChuT |
| ese:ECSF_3329 | K25132 | conserved hypothetical protein |
| eab:ECABU_c39410 | K25132 | hemin binding protein |
| eih:ECOK1_3940 | K25132 | hemin-binding periplasmic protein |
| ena:ECNA114_3621 | K25132 | Periplasmic hemin-binding protein |
| elu:UM146_17665 | K25132 | putative periplasmic binding protein |
| elc:i14_3981 | K25132 | putative periplasmic binding protein |
| eld:i02_3981 | K25132 | putative periplasmic binding protein |
| elf:LF82_542 | K25132 | Periplasmic binding protein |
| ecoi:ECOPMV1_03831 | K25132 | Hemin-binding periplasmic protein hmuT precursor |
| ecoj:P423_19500 | K25132 | ABC transporter substrate-binding protein |
| ecos:EC958_3905 | K25132 | putative periplasmic binding protein |
| eal:EAKF1_ch2448c | K25132 | ABC transporter substrate-binding protein |
| sdy:SDY_3552 | K25132 | putative periplasmic binding protein |
| sdz:Asd1617_04689 | K25132 | Hemin-binding periplasmic protein hmuT precursor |
| kmi:VW41_01200 | K25132 | ABC transporter substrate-binding protein |
| cko:CKO_02655 | K25132 | hypothetical protein |
| cbra:A6J81_10715 | K25132 | hemin ABC transporter substrate-binding protein |
| cif:AL515_07180 | K25132 | hemin ABC transporter substrate-binding protein |
| cnt:JT31_10580 | K25132 | ABC transporter substrate-binding protein |
| cen:LH86_07095 | K25132 | ABC transporter substrate-binding protein |
| pct:PC1_2752 | K25132 | periplasmic binding protein |
| pcc:PCC21_028200 | K25132 | periplasmic-binding protein |
| pws:A7983_00770 | K25132 | ABC transporter substrate-binding protein |
| psx:DR96_3162 | K25132 | hypothetical protein |
| hav:AT03_09145 | K25132 | ABC transporter substrate-binding protein |
| opo:DSM2777_09245 | K25132 | ABC transporter substrate-binding protein |
| gap:GAPWK_1067 | K25132 | Periplasmic hemin-binding protein |
| fpp:FPB0191_00912 | K25132 | ABC-type hemin transport system, periplasmic component |