| [B] Acidobacteria bacterium (strain Ellin345) | ACIBL04473 | Q1II16 | glycoside hydrolase family 2, TIM barrel |
| [B] Flavobacterium johnsoniae (strain ATCC 17061 / DSM 2064 / UW101) | FLAJ103096 | A5FF80 | Glycoside hydrolase family 2, TIM barrel |
| [B] Bacillus halodurans | BACHD02677 | BGAL_BACHD | beta-galactosidase |
| [B] Clostridium perfringens (strain ATCC 13124 / NCTC 8237) | CLOP101190 | Q0TRS3 | beta-galactosidase identified by similarity to SP:Q56307; match to protein family HMM PF00703; match to protein family HMM PF00746; match to protein family HMM PF02836; match to protein family HMM PF02837; match to protein family HMM PF02929; match to protein family HMM TIGR01167 |
| [B] Leuconostoc mesenteroides subsp. mesenteroides (strain ATCC 8293 / NCDO 523) | LEUMM01239 | BGAL_LEUMM | Beta-galactosidase |
| [B] Streptococcus thermophilus (strain ATCC BAA-250 / LMG 18311) | STRT201268 | Q5M3K5 | beta-galactosidase |
| [B] Streptococcus thermophilus (strain ATCC BAA-491 / LMD-9) | STRTD01134 | Q03JT3 | Beta-galactosidase |
| [B] Streptococcus thermophilus (strain CNRZ 1066) | STRT101306 | Q5LYZ2 | beta-galactosidase |
| [B] Aeromonas hydrophila subsp. hydrophila (strain ATCC 7966 / NCIB 9240) | AERHH03941 | BGAL_AERHH | beta-galactosidase identified by match to protein family HMM PF00703; match to protein family HMM PF02836; match to protein family HMM PF02837; match to protein family HMM PF02929 |
| [B] Alteromonas macleodii (strain DSM 17117 / Deep ecotype) | ALTMD00272 | BGAL_ALTMD | Beta-D-galactosidase |
| [B] Erwinia tasmaniensis (strain DSM 17950 / ET1/99) | ERWT902565 | BGAL_ERWT9 | Beta-galactosidase |
| [B] Escherichia coli O157:H7 (strain EC4115 / EHEC) | ECO5E00371 | BGAL_ECO5E | Beta-galactosidase |
| [B] Escherichia coli O1:K1 / APEC | ECOK100326 | BGAL_ECOK1 | beta-galactosidase |
| [B] Escherichia coli O7:K1 (strain IAI39 / ExPEC) | ECO7I00323 | B7NK11 | Beta-D-galactosidase |
| [B] Erwinia carotovora (subsp. atroseptica) | ERWCT01474 | BGAL_ERWCT | Similar to Escherichia coli beta-galactosidase LacZ or b0344 SWALL:BGAL_ECOLI (SWALL:P00722) (1023 aa) fasta scores: E(): 0, 64.84% id in 1024 aa beta-galactosidase |
| [B] Salmonella arizonae (strain ATCC BAA-731 / CDC346-86 / RSK2980) | SALAR02717 | ABX22680.1 | Putative uncharacterized protein |
| [B] Serratia proteamaculans (strain 568) | SERP503151 | BGAL_SERP5 | Glycoside hydrolase family 2 TIM barrel |
| [B] Yersinia pestis | YERPE01525 | BGAL_YERPE | Beta-galactosidase |
| [B] Yersinia pestis (biovar Antiqua strain Antiqua) | YERPA01763 | BGAL_YERPA | Beta-galactosidase |
| [B] Yersinia pestis (biovar Antiqua strain Nepal516) | YERPN01889 | BGAL_YERPN | Beta-galactosidase |
| [B] Yersinia pestis (strain Pestoides F) | YERPP01689 | BGAL_YERPP | Beta-galactosidase |
| [B] Yersinia pestis bv. Antiqua (strain Angola) | YERPG02427 | BGAL_YERPG | Beta-galactosidase |
| [B] Yersinia pseudotuberculosis | YERPS02394 | BGAL_YERPS | Beta-galactosidase |
| [B] Yersinia pseudotuberculosis (serotype O:1b / strain IP 31758) | YERP301592 | BGAL_YERP3 | Beta-galactosidase |
| [B] Yersinia pseudotuberculosis serotype IB (strain PB1/+) | YERPB02436 | BGAL_YERPB | Glycoside hydrolase family 2 TIM barrel |
| [B] Yersinia pseudotuberculosis serotype O:3 (strain YPIII) | YERPY01708 | BGAL_YERPY | Glycoside hydrolase family 2 TIM barrel |
| [B] Photobacterium profundum | PHOPR03327 | BGAL_PHOPR | putative beta-galactosidase |
| [B] Vibrio vulnificus | VIBVU04141 | NP_763225.1 | COG3250 Beta-galactosidase/beta-glucuronidase |
| [B] Vibrio vulnificus (strain YJ016) | VIBVY03394 | BGAL_VIBVY | Beta-galactosidase |
| [B] Thermotoga maritima | THEMA01177 | BGAL_THEMA | Beta-galactosidase |
| [B] Thermotoga sp. (strain RQ2) | THESQ01598 | B1LCQ2 | Glycoside hydrolase family 42 domain 5 loop region |
| [B] Opitutus terrae (strain DSM 11246 / PB90-1) | OPITP03583 | B1ZWD9 | Glycoside hydrolase family 2 TIM barrel precursor |