| Identifier | Protein names | Gene names | Cross reference refseq | Length | Species |
| P29208 | o-succinylbenzoate synthase; OSB synthase; OSBS; EC 4.2.1.113; 4-(2'-carboxyphenyl)-4-oxybutyric acid synthase; o-succinylbenzoic acid synthase; | menC; b2261 JW2256; | NP_416764.1;YP_490501.1; | 320 | escherichia-coli |
| P17109 | 2-succinyl-5-enolpyruvyl-6-hydroxy-3-cyclohexene-1-carboxylate synthase; SEPHCHC synthase; EC 2.2.1.9; Menaquinone biosynthesis protein MenD; | menD; b2264 JW5374; | NP_416767.1;YP_490504.1; | 556 | escherichia-coli |
| P38051 | Isochorismate synthase MenF; EC 5.4.4.2; Isochorismate hydroxymutase; Isochorismate mutase; | menF; yfbA; b2265 JW2260; | NP_416768.4;YP_490505.1; | 431 | escherichia-coli |
| P37353 | 2-succinylbenzoate--CoA ligase; EC 6.2.1.26; o-succinylbenzoyl-CoA synthetase; OSB-CoA synthetase; | menE; b2260 JW2255; | NP_416763.1;YP_490500.1; | 451 | escherichia-coli |
| P37355 | 2-succinyl-6-hydroxy-2,4-cyclohexadiene-1-carboxylate synthase; SHCHC synthase; EC 4.2.99.20; | menH; yfbB; b2263 JW2258; | NP_416766.1;YP_490503.1; | 252 | escherichia-coli |
| P77781 | 1,4-dihydroxy-2-naphthoyl-CoA hydrolase; DHNA-CoA hydrolase; EC 3.1.2.28; DHNA-CoA thioesterase; | menI; ydiI; b1686 JW1676; | NP_416201.1;YP_489948.1; | 136 | escherichia-coli |
| P0C0T5 | Penicillin-insensitive murein endopeptidase; EC 3.4.24.-; D-alanyl-D-alanine-endopeptidase; DD-endopeptidase; | mepA; b2328 JW2325; | NP_416831.1;YP_490570.1; | 274 | escherichia-coli |
| P76190 | Murein DD-endopeptidase MepH; EC 3.4.-.-; Murein hydrolase MepH; | mepH; ydhO; b1655 JW5270; | NP_416172.1;YP_489919.1; | 271 | escherichia-coli |
| P0AFS9 | Murein DD-endopeptidase MepM; EC 3.4.24.-; Murein hydrolase MepM; ORFU; | mepM; yebA; b1856 JW5304; | NP_416370.2;YP_490118.1; | 440 | escherichia-coli |
| P0AFV4 | Murein DD-endopeptidase MepS/Murein LD-carboxypeptidase; EC 3.4.-.-; EC 3.4.17.13; Lipoprotein Spr; Murein hydrolase MepS; | mepS; spr yeiV; b2175 JW2163; | NP_416680.1;YP_490415.1; | 188 | escherichia-coli |
| P07623 | Homoserine O-succinyltransferase; EC 2.3.1.46; Homoserine O-transsuccinylase; HTS; | metA; b4013 JW3973; | NP_418437.1;YP_492156.1; | 309 | escherichia-coli |
| P00935 | Cystathionine gamma-synthase; CGS; EC 2.5.1.48; O-succinylhomoserine (thiol)-lyase; | metB; b3939 JW3910; | NP_418374.1;YP_491512.1; | 386 | escherichia-coli |
| P06721 | Cystathionine beta-lyase MetC; CBL; EC 4.4.1.8; Beta-cystathionase; Cysteine lyase; | metC; b3008 JW2975; | NP_417481.1;YP_491201.1; | 395 | escherichia-coli |
| P25665 | 5-methyltetrahydropteroyltriglutamate--homocysteine methyltransferase; EC 2.1.1.14; Cobalamin-independent methionine synthase; Methionine synthase, vitamin-B12 independent isozyme; | metE; b3829 JW3805; | NP_418273.1;YP_491613.1; | 753 | escherichia-coli |
| P0AEZ1 | 5,10-methylenetetrahydrofolate reductase; EC 1.5.1.20; | metF; b3941 JW3913; | NP_418376.1;YP_491510.1; | 296 | escherichia-coli |
| P13009 | Methionine synthase; EC 2.1.1.13; 5-methyltetrahydrofolate--homocysteine methyltransferase; Methionine synthase, vitamin-B12-dependent; MS; | metH; b4019 JW3979; | NP_418443.1;YP_492162.1; | 1227 | escherichia-coli |
| P31547 | D-methionine transport system permease protein MetI; | metI; yaeE; b0198 JW0194; | NP_414740.1;YP_488501.1; | 217 | escherichia-coli |
| P0A8U6 | Met repressor; Met regulon regulatory protein MetJ; | metJ; b3938 JW3909; | NP_418373.1;YP_491513.1; | 105 | escherichia-coli |
| P0A817 | S-adenosylmethionine synthase; AdoMet synthase; EC 2.5.1.6; MAT; Methionine adenosyltransferase; | metK; metX; b2942 JW2909; | NP_417417.1;YP_491141.1; | 384 | escherichia-coli |
| P30750 | Methionine import ATP-binding protein MetN; EC 3.6.3.-; | metN; abc; b0199 JW0195; | NP_414741.1;YP_488502.1; | 343 | escherichia-coli |
