Table 2. List of M. xanthus CheA, CheW and CheY.
| Protein name | Locus tag (MXAN_) | Refseq | Length (aa) | Che operon | Functional domains (Pfam) | ||||||
| Histidine-containing phosphotransfer (HPt) domain | Response regulator binding domain | Signal transducing histidine kinase, homodimeric domain | Histidine kinase domain | CheW-like domain | Response regulator receiver domain | ||||||
| CheA | FrzE | 4140 | ABF89991 | 777 | frz | (9 to 108) | - | - | (365 to 508) | (513 to 644) | (661 to 774) |
| DifE | 6692 | ABF92648 | 857 | dif | (7 to 107) | (366 to 450) | (474 to 537) | (582 to 724) | (729 to 857) | - | |
| CheA3 | 5147 | ABF90293 | 798 | che3 | (6 to 99) | - | - | (376 to 522) | (527 to 658) | (681 to 794) | |
| CheA4 | 2686 | ABF90689 | 848 | che4 | (8 to 106) | - | - | (433 to 575) | (580 to 714) | (729 to 842) | |
| CheA5 | 6029 | ABF88344 | 714 | che5 | (9 to 114) | - | - | (303 to 445) | (450 to 581) | (591 to 704) | |
| CheA6 | 6951 | ABF88527 | 726 | che6 | (9 to 112) | - | - | (316 to 455) | (460 to 590) | (610 to 723) | |
| CheA7 | 6964 | ABF92123 | 683 | che7 | (5 to 110) | - | (279 to 344) | (385 to 525) | (530 to 663) | - | |
| CheA8 | 4758 | ABF85910 | 862 | che8 | (6 to 110) | - | (463 to 534) | (579 to 721) | (726 to 855) | - | |
| CheW | FrzA | 4143 | ABF93093 | 160 | frz | - | - | - | - | (16 to 154) | - |
| FrzB | 4142 | ABF91972 | 112 | frz | - | - | - | - | (26 to 109) | - | |
| DifC | 6694 | ABF92146 | 140 | dif | - | - | - | - | (2 to 133) | - | |
| CheW3 | 5151 | ABF89050 | 145 | che3 | - | - | - | - | (12 to 142) | - | |
| CheW4a | 2685 | ABF89623 | 194 | che4 | - | - | - | - | (59 to 186) | - | |
| CheW4b | 2681 | ABF90781 | 188 | che4 | - | - | - | - | (48 to 186) | - | |
| CheW5a | 6030 | ABF88929 | 182 | che5 | - | - | - | - | (42 to 174) | - | |
| CheW5b | 6032 | ABF86894 | 288 | che5 | - | - | - | - | (131 to 270) | (6 to 115) | |
| CheW6a | 6947 | ABF88743 | 159 | che6 | - | - | - | - | (7 to 142) | - | |
| CheW6b | 6949 | ABF87567 | 200 | che6 | - | - | - | - | (57 to 189) | - | |
| CheW7 | 6963 | ABF85986 | 148 | che7 | - | - | - | - | (4 to 141) | - | |
| CheW8a | 4756 | ABF88564 | 174 | che8 | - | - | - | - | (28 to 165) | - | |
| CheW8b | 4757 | ABF90229 | 188 | che8 | - | - | - | - | (43 to 187) | - | |
| CheWa | 4462 | ABF92129 | 271 | - | - | - | - | - | (10 to 130) (151 to 265) | - | |
| CheY | FrzZ | 4144 | ABF89606 | 290 | frz | - | - | - | - | - | (4 to 112)(170 to 282) |
| DifD | 6693 | ABF87390 | 122 | dif | - | - | - | - | - | (4 to 116) | |
| CheY4 | 2684 | ABF88007 | 127 | che4 | - | - | - | - | - | (5 to 117) | |
| CheY5 | 6033 | ABF92419 | 128 | che5 | - | - | - | - | - | (8 to 122) | |
| CheY7 | 6965 | ABF88516 | 125 | che7 | - | - | - | - | - | (4 to 117) | |
| CheY8a | 4751 | ABF88585 | 126 | che8 | - | - | - | - | - | (7 to 120) | |
| CheY8b | 4759 | ABF90183 | 124 | che8 | - | - | - | - | - | (5 to 118) | |