| Identifier | Protein names | Gene names | Cross reference refseq | Length | Species |
| P0A8U0 | Protein Syd; | syd; ydr; b2793 JW2764; | NP_417273.1;YP_491001.1; | 181 | escherichia-coli |
| P21889 | Aspartate--tRNA ligase; EC 6.1.1.12; Aspartyl-tRNA synthetase; AspRS; | aspS; tls; b1866 JW1855; | NP_416380.1;YP_490128.1; | 590 | escherichia-coli |
| P04805 | Glutamate--tRNA ligase; EC 6.1.1.17; Glutamyl-tRNA synthetase; GluRS; | gltX; b2400 JW2395; | NP_416899.1;YP_490639.1; | 471 | escherichia-coli |
| P08312 | Phenylalanine--tRNA ligase alpha subunit; EC 6.1.1.20; Phenylalanyl-tRNA synthetase alpha subunit; PheRS; | pheS; b1714 JW5277; | NP_416229.1;YP_489976.1; | 327 | escherichia-coli |
| P07395 | Phenylalanine--tRNA ligase beta subunit; EC 6.1.1.20; Phenylalanyl-tRNA synthetase beta subunit; PheRS; | pheT; b1713 JW1703; | NP_416228.1;YP_489975.1; | 795 | escherichia-coli |
| P00960 | Glycine--tRNA ligase alpha subunit; EC 6.1.1.14; Glycyl-tRNA synthetase alpha subunit; GlyRS; | glyQ; glyS(A); b3560 JW3531; | NP_418017.1;YP_491875.1; | 303 | escherichia-coli |
| P00961 | Glycine--tRNA ligase beta subunit; EC 6.1.1.14; Glycyl-tRNA synthetase beta subunit; GlyRS; | glyS; glyS(B); b3559 JW3530; | NP_418016.1;YP_491876.1; | 689 | escherichia-coli |
| P60906 | Histidine--tRNA ligase; EC 6.1.1.21; Histidyl-tRNA synthetase; HisRS; | hisS; b2514 JW2498; | NP_417009.1;YP_490742.1; | 424 | escherichia-coli |
| P00956 | Isoleucine--tRNA ligase; EC 6.1.1.5; Isoleucyl-tRNA synthetase; IleRS; | ileS; ilvS; b0026 JW0024; | NP_414567.1;YP_488332.1; | 938 | escherichia-coli |
| P0A8N3 | Lysine--tRNA ligase; EC 6.1.1.6; Lysyl-tRNA synthetase; LysRS; | lysS; asuD herC; b2890 JW2858; | NP_417366.1;YP_491091.1; | 505 | escherichia-coli |
| P0A8N5 | Lysine--tRNA ligase, heat inducible; EC 6.1.1.6; Lysyl-tRNA synthetase; LysRS; | lysU; b4129 JW4090; | NP_418553.1;YP_492273.1; | 505 | escherichia-coli |
| P07813 | Leucine--tRNA ligase; EC 6.1.1.4; Leucyl-tRNA synthetase; LeuRS; | leuS; b0642 JW0637; | NP_415175.1;YP_488933.1; | 860 | escherichia-coli |
| P39394 | Toxic protein SymE; Putative endoribonuclease SymE; EC 3.1.-.-; | symE; dinL sosC yjiW; b4347 JW4310; | NP_418767.4;YP_492478.1; | 113 | escherichia-coli |
| P00959 | Methionine--tRNA ligase; EC 6.1.1.10; Methionyl-tRNA synthetase; MetRS; | metG; b2114 JW2101; | NP_416617.1;YP_009074148.1;YP_490354.1; | 677 | escherichia-coli |
| P0A8M0 | Asparagine--tRNA ligase; EC 6.1.1.22; Asparaginyl-tRNA synthetase; AsnRS; | asnS; tss; b0930 JW0913; | NP_415450.1;YP_489202.1; | 466 | escherichia-coli |
| P16659 | Proline--tRNA ligase; EC 6.1.1.15; Global RNA synthesis factor; Prolyl-tRNA synthetase; ProRS; | proS; drpA; b0194 JW0190; | NP_414736.1;YP_488497.1; | 572 | escherichia-coli |
| P00962 | Glutamine--tRNA ligase; EC 6.1.1.18; Glutaminyl-tRNA synthetase; GlnRS; | glnS; b0680 JW0666; | NP_415206.1;YP_488960.1; | 554 | escherichia-coli |
| P11875 | Arginine--tRNA ligase; EC 6.1.1.19; Arginyl-tRNA synthetase; ArgRS; | argS; b1876 JW1865; | NP_416390.1;YP_490138.1; | 577 | escherichia-coli |
| P0A8L1 | Serine--tRNA ligase; EC 6.1.1.11; Seryl-tRNA synthetase; SerRS; Seryl-tRNA(Ser/Sec) synthetase; | serS; b0893 JW0876; | NP_415413.1;YP_489165.1; | 430 | escherichia-coli |
| P0A8M3 | Threonine--tRNA ligase; EC 6.1.1.3; Threonyl-tRNA synthetase; ThrRS; | thrS; b1719 JW1709; | NP_416234.1;YP_489981.1; | 642 | escherichia-coli |
