| Identifier | Protein names | Gene names | Cross reference refseq | Length | Species |
| P17444 | Oxygen-dependent choline dehydrogenase; CDH; CHD; EC 1.1.99.1; Betaine aldehyde dehydrogenase; BADH; EC 1.2.1.8; | betA; b0311 JW0303; | NP_414845.1;YP_488606.1; | 556 | escherichia-coli |
| P17445 | NAD/NADP-dependent betaine aldehyde dehydrogenase; BADH; EC 1.2.1.8; | betB; b0312 JW0304; | NP_414846.1;YP_488607.1; | 490 | escherichia-coli |
| P17446 | HTH-type transcriptional regulator BetI; | betI; b0313 JW0305; | NP_414847.3;YP_488608.1; | 195 | escherichia-coli |
| P0ABC9 | High-affinity choline transport protein; | betT; b0314 JW0306; | NP_414848.1;YP_488609.1; | 677 | escherichia-coli |
| P0AE56 | Bacterioferritin-associated ferredoxin; | bfd; yheA; b3337 JW3299; | NP_417796.1;YP_492095.1; | 64 | escherichia-coli |
| P0ABD3 | Bacterioferritin; BFR; EC 1.16.3.1; Cytochrome b-1; Cytochrome b-557; | bfr; b3336 JW3298; | NP_417795.1;YP_492096.1; | 158 | escherichia-coli |
| P06864 | Evolved beta-galactosidase subunit alpha; Beta-gal; EC 3.2.1.23; Lactase; | ebgA; b3076 JW5511; | YP_026199.1;YP_491267.1; | 1030 | escherichia-coli |
| P00722 | Beta-galactosidase; Beta-gal; EC 3.2.1.23; Lactase; | lacZ; b0344 JW0335; | NP_414878.1;YP_488638.1; | 1024 | escherichia-coli |
| P11988 | 6-phospho-beta-glucosidase BglB; EC 3.2.1.86; Phospho-beta-glucosidase B; | bglB; b3721 JW3699; | NP_418177.1;YP_491708.1; | 470 | escherichia-coli |
| Q46829 | 6-phospho-beta-glucosidase BglA; EC 3.2.1.86; Phospho-beta-glucosidase A; | bglA; bglD yqfC; b2901 JW2869; | NP_417377.1;YP_491102.1; | 479 | escherichia-coli |
| P26218 | Cryptic outer membrane porin BglH; | bglH; yieC; b3720 JW3698; | NP_418176.1;YP_491709.1; | 538 | escherichia-coli |
| P39404 | Transcriptional activator protein BglJ; | bglJ; yjjR; b4366 JW5955; | NP_418786.4;YP_492497.1; | 225 | escherichia-coli |
| P05804 | Beta-glucuronidase; GUS; EC 3.2.1.31; Beta-D-glucuronoside glucuronosohydrolase; | uidA; gurA gusA; b1617 JW1609; | NP_416134.1;YP_489880.1; | 603 | escherichia-coli |
| P11989 | Cryptic beta-glucoside bgl operon antiterminator; | bglG; bglC; b3723 JW3701; | NP_418179.1;YP_491706.1; | 278 | escherichia-coli |
| P33363 | Periplasmic beta-glucosidase; EC 3.2.1.21; Beta-D-glucoside glucohydrolase; Cellobiase; Gentiobiase; | bglX; yohA; b2132 JW2120; | NP_416636.1;YP_490371.1; | 765 | escherichia-coli |
| P0AB40 | Multiple stress resistance protein BhsA; Copper-induced outer membrane component; | bhsA; comC ycfR; b1112 JW1098; | NP_415630.1;YP_489380.1; | 85 | escherichia-coli |
| P28247 | Putative uncharacterized protein BicB; | bicB; | NULL | 167 | escherichia-coli |
| P12995 | Adenosylmethionine-8-amino-7-oxononanoate aminotransferase; EC 2.6.1.62; 7,8-diamino-pelargonic acid aminotransferase; DAPA AT; DAPA aminotransferase; 7,8-diaminononanoate synthase; DANS; Diaminopelargonic acid synthase; | bioA; b0774 JW0757; | NP_415295.1;YP_489047.1; | 429 | escherichia-coli |
| P12996 | Biotin synthase; EC 2.8.1.6; | bioB; b0775 JW0758; | NP_415296.1;YP_489048.1; | 346 | escherichia-coli |
| P12999 | Malonyl-[acyl-carrier protein] O-methyltransferase; Malonyl-ACP O-methyltransferase; EC 2.1.1.197; Biotin synthesis protein BioC; | bioC; b0777 JW0760; | NP_415298.1;YP_489050.1; | 251 | escherichia-coli |
