| Identifier | Protein names | Gene names | Cross reference refseq | Length | Species |
| P76143 | Uncharacterized aldolase LsrF; EC 4.1.2.-; | lsrF; yneB; b1517 JW1510; | NP_416034.1;YP_489780.1; | 291 | escherichia-coli |
| P64461 | Autoinducer 2-degrading protein LsrG; AI-2-degrading protein LsrG; | lsrG; yneC; b1518 JW1511; | NP_416035.1;YP_489781.1; | 96 | escherichia-coli |
| P77432 | Autoinducer 2 kinase LsrK; AI-2 kinase; EC 2.7.1.-; | lsrK; ydeV; b1511 JW1504; | NP_416028.3;YP_489774.1; | 530 | escherichia-coli |
| P76141 | Transcriptional regulator LsrR; | lsrR; ydeW; b1512 JW1505; | NP_416029.1;YP_489775.1; | 317 | escherichia-coli |
| P75823 | Low specificity L-threonine aldolase; Low specificity L-TA; EC 4.1.2.48; | ltaE; ybjU; b0870 JW0854; | NP_415391.1;YP_489143.1; | 333 | escherichia-coli |
| P45578 | S-ribosylhomocysteine lyase; EC 4.4.1.21; AI-2 synthesis protein; Autoinducer-2 production protein LuxS; | luxS; ygaG; b2687 JW2662; | NP_417172.1;YP_490901.1; | 171 | escherichia-coli |
| P78285 | Lysozyme RrrD; EC 3.2.1.17; Endolysin; Lysis protein; Muramidase; | rrrD; arrD ybcS; b0555 JW0544; | NP_415087.1;YP_488842.1; | 165 | escherichia-coli |
| P25737 | Lysine-specific permease; | lysP; cadR; b2156 JW2143; | NP_416661.1;YP_490395.1; | 489 | escherichia-coli |
| P03030 | Transcriptional activator protein LysR; | lysR; b2839 JW2807; | NP_417316.1;YP_491044.1; | 311 | escherichia-coli |
| P76159 | Probable lysozyme from lambdoid prophage Qin; EC 3.2.1.17; Endolysin; Lysis protein; Muramidase; | arrQ; ydfQ; b1554 JW1546; | NP_416072.1;YP_489818.1; | 177 | escherichia-coli |
| P37677 | L-xylulose/3-keto-L-gulonate kinase; L-xylulokinase; EC 2.7.1.-; EC 2.7.1.53; 3-dehydro-L-gulonate kinase; | lyx; lyxK sgbK xylK yiaP; b3580 JW3552; | NP_418037.1;YP_491854.1; | 498 | escherichia-coli |
| P77791 | Maltose O-acetyltransferase; EC 2.3.1.79; Maltose transacetylase; | maa; ylaD; b0459 JW0448; | NP_414992.1;YP_009091675.1;YP_488750.1; | 183 | escherichia-coli |
| P75830 | Macrolide export protein MacA; | macA; ybjY; b0878 JW0862; | NP_415399.4;YP_489151.1; | 371 | escherichia-coli |
| P75831 | Macrolide export ATP-binding/permease protein MacB; EC 3.6.3.-; | macB; ybjZ; b0879 JW0863; | NP_415400.1;YP_489152.1; | 648 | escherichia-coli |
| P23917 | Fructokinase; EC 2.7.1.4; D-fructose kinase; Manno(fructo)kinase; | mak; yajF; b0394 JW0385; | NP_414928.2;YP_488687.1; | 302 | escherichia-coli |
| P0AEX9 | Maltose-binding periplasmic protein; MBP; MMBP; Maltodextrin-binding protein; | malE; b4034 JW3994; | NP_418458.1;YP_492177.1; | 396 | escherichia-coli |
| P02916 | Maltose transport system permease protein MalF; | malF; b4033 JW3993; | NP_418457.1;YP_492176.1; | 514 | escherichia-coli |
| P68183 | Maltose transport system permease protein MalG; | malG; b4032 JW3992; | NP_418456.1;YP_492175.1; | 296 | escherichia-coli |
| P18811 | Maltose regulon regulatory protein MalI; | malI; b1620 JW1612; | NP_416137.1;YP_489883.1; | 342 | escherichia-coli |
| P68187 | Maltose/maltodextrin import ATP-binding protein MalK; EC 3.6.3.19; | malK; b4035 JW3995; | NP_418459.1;YP_492178.1; | 371 | escherichia-coli |
