| Identifier | Protein names | Gene names | Cross reference refseq | Length | Species | 
| A5A605 | Uncharacterized protein YkfM; | ykfM; b4586; | YP_001165307.1; | 159 | escherichia-coli | 
| Q9XB42 | Uncharacterized protein YkfH; | ykfH; b4504 JW5956; | YP_488541.1;YP_588435.1; | 73 | escherichia-coli | 
| P75675 | Putative uncharacterized protein YkfJ; | ykfJ; b0235 JW0225; | YP_488530.1; | 88 | escherichia-coli | 
| Q47685 | UPF0758 protein YkfG; | ykfG; b0247 JW0236; | NP_414781.1;YP_488542.1; | 158 | escherichia-coli | 
| P77601 | Putative HTH-type transcriptional regulator YkgA; | ykgA; b0300 JW5037; | YP_488597.1; | 239 | escherichia-coli | 
| P77252 | Uncharacterized protein YkgE; | ykgE; b0306 JW5041; | NP_414840.1;YP_488602.1; | 239 | escherichia-coli | 
| P77692 | Toxin YkfI; | ykfI; b0245 JW0234; | NP_414779.1;YP_488539.1; | 113 | escherichia-coli | 
| Q47688 | Putative uncharacterized protein YkfC; | ykfC; b0258 JW5813; | YP_488553.1; | 376 | escherichia-coli | 
| P77536 | Uncharacterized electron transport protein YkgF; | ykgF; b0307 JW0300; | NP_414841.1;YP_488603.1; | 475 | escherichia-coli | 
| P77433 | Uncharacterized protein YkgG; | ykgG; b0308 JW5042; | NP_414842.4;YP_488604.1; | 231 | escherichia-coli | 
| P0AAL9 | Uncharacterized protein YkgJ; | ykgJ; b0288 JW0282; | NP_414822.1;YP_488584.1; | 109 | escherichia-coli | 
| P56257 | Uncharacterized protein YkgL; | ykgL; b0295 JW5033; | NP_414829.1;YP_488591.1; | 75 | escherichia-coli | 
| C1P5Z8 | Uncharacterized membrane protein YkgR; | ykgR; b4671 JW5035.1; | YP_002791238.1; | 33 | escherichia-coli | 
| P77180 | Uncharacterized protein YkgH; | ykgH; b0310 JW0302; | NP_414844.1;YP_488605.1; | 222 | escherichia-coli | 
| P77162 | Uncharacterized protein YkfB; | ykfB; b0250 JW0239; | NP_414784.1;YP_488545.1; | 155 | escherichia-coli | 
| Q79E92 | Putative transposase YkgN; | ykgN; b4505 JW0258; | YP_488561.1; | 112 | escherichia-coli | 
| P75704 | Putative uncharacterized protein YkiA; | ykiA; b0392 JW0383; | YP_488685.1; | 93 | escherichia-coli | 
| P0AAS0 | Inner membrane protein YlaC; | ylaC; b0458 JW5063; | NP_414991.4;YP_488749.1; | 156 | escherichia-coli | 
| P77473 | Putative cyclic-di-GMP phosphodiesterase YlaB; EC 3.1.4.52; | ylaB; b0457 JW5062; | NP_414990.2;YP_488748.1; | 516 | escherichia-coli | 
| P77129 | Uncharacterized protein YlbE; | ylbE; b4572; | YP_009029994.1; | 419 | escherichia-coli | 
