| Identifier | Protein names | Gene names | Cross reference refseq | Length | Species | 
| P45768 | Inner membrane amino-acid ABC transporter permease protein YhdY; | yhdY; b3270 JW5545; | NP_417736.2;YP_491452.1; | 367 | escherichia-coli | 
| P36677 | Uncharacterized protein YhdN; | yhdN; b3293 JW3255; | NP_417752.1;YP_492139.1; | 122 | escherichia-coli | 
| P64622 | Uncharacterized protein YhdV; | yhdV; b3267 JW3235; | NP_417733.1;YP_491449.1; | 73 | escherichia-coli | 
| P45766 | Putative amino-acid ABC transporter-binding protein YhdW; | yhdW; b3268 JW3236; | YP_491450.1; | 341 | escherichia-coli | 
| P45769 | Uncharacterized amino-acid ABC transporter ATP-binding protein YhdZ; | yhdZ; b3271 JW3239; | NP_417737.1;YP_491453.1; | 252 | escherichia-coli | 
| P45767 | Putative amino-acid ABC transporter permease protein YhdX; | yhdX; b3269 JW5544; | YP_026209.1;YP_491451.1; | 393 | escherichia-coli | 
| P63389 | Uncharacterized ABC transporter ATP-binding protein YheS; | yheS; b3352 JW3315; | NP_417811.1;YP_492079.1; | 637 | escherichia-coli | 
| P45524 | Putative esterase YheT; EC 3.1.1.-; | yheT; b3353 JW3316; | NP_417812.1;YP_492078.1; | 340 | escherichia-coli | 
| P64624 | Uncharacterized protein YheO; | yheO; b3346 JW5703; | NP_417805.4;YP_492086.1; | 240 | escherichia-coli | 
| P67624 | UPF0270 protein YheU; | yheU; b3354 JW3317; | NP_417813.1;YP_492077.1; | 72 | escherichia-coli | 
| P0ADW8 | Uncharacterized protein YheV; | yheV; b4551 JW3312; | YP_492082.1;YP_588468.1; | 66 | escherichia-coli | 
| P0ADX1 | Protein YhfA; | yhfA; b3356 JW3319; | NP_417815.1;YP_492075.1; | 134 | escherichia-coli | 
| P0ADX5 | Uncharacterized protein YhfG; | yhfG; b3362 JW3325; | NP_417821.1;YP_492069.1; | 55 | escherichia-coli | 
| P45537 | Uncharacterized protein YhfK; | yhfK; b3358 JW5701; | NP_417817.2;YP_492073.1; | 700 | escherichia-coli | 
| P45546 | Uncharacterized protein YhfT; | yhfT; b3377 JW3340; | NP_417836.1;YP_492055.1; | 434 | escherichia-coli | 
| P45545 | Uncharacterized protein YhfS; | yhfS; b3376 JW3339; | NP_417835.1;YP_492056.1; | 361 | escherichia-coli | 
| P45549 | Uncharacterized protein YhfW; | yhfW; b3380 JW3343; | NP_417839.1;YP_492052.1; | 408 | escherichia-coli | 
| P45550 | Uncharacterized protein YhfX; | yhfX; b3381 JW3344; | NP_417840.1;YP_492051.1; | 387 | escherichia-coli | 
| P64631 | Uncharacterized protein YhfU; | yhfU; b3378 JW5697; | NP_417837.2;YP_492054.1; | 117 | escherichia-coli | 
| P45552 | Uncharacterized protein YhfZ; | yhfZ; b3383 JW5948; | YP_026214.1;YP_492049.1; | 301 | escherichia-coli | 
