| Family | Synonymous | Offname | Bac | ProID | Acc_No | EST number | ProLen | Mrna | Identity | Product | Domain Name and Position |
| Histidine Kinase | CKI1 | At2g47430 | T30B22.27 | AAC62867 | AC002535 | no on MIPS | 1122 | D87545 | putative histidine kinase | TRANS(10|32),TRANS(344|366),HisKA(395|461),HATPase_c(511|671),REC(986|1114) | |
| Histidine Kinase | AHK1 (AtHK1) | At2g17820 | T13L16.16 | AAD03576 | AC003952 | no on MIPS | 1190 | AB010914 | CKI1 like (4 fragment similar) | putative histidine kinase | TRANS(60|82),TRANS(430|452),HisKA(481|547),HATPase_c(594|746),REC(1027|1175) |
| Histidine Kinase | AHK2 | At5g35750 | MXH1.16 | BAB09274 | AB011485 | 1 | 1173 | histidine kinase-like protein | TRANS(30|47),TRANS(234|251),COIL(559|584),HisKA(587|652),HATPase_c(699|864),REC(1032|1166) | ||
| Histidine Kinase | AHK3 | At1g27320 | F17L21.11 | AAF99730 | AC004557 | 3 | 1176 | AB046870 | putative sensory transduction histidine kinase | TRANS(7|29),TRANS(95|114),TRANS(430|452),HisKA(482|547),HATPase_c(594|755),REC(777|893),REC(922|1048) | |
| Histidine Kinase | CRE1 (AHK4,WOL1) | At2g01830 | T23K3.2 | AAD21777 | AC007069 | 11 | 1057 | AJ278530,AJ278529,AJ278528 | putative histidine kinase | TRANS(107|126),TRANS(397|419),HisKA(449|514),HATPase_c(561|737),REC(922|1044) | |
| Histidine Kinase | CKI2 (AHK5) | At5g10720 | MAJ23.80 | CAC08246 | AL392144 | 1 | 950 | 97/282 (34%), 46/126 (36%) to AHK3 | histidine kinase - like protein | COIL(82|117),COIL(165|200),HisKA(362|427),HATPase_c(473|642),REC(806|945) | |
| Histidine Kinase | ETR1 | At1g66340 | T27F4.9 | AAG52169 | AC020665 | no on MIPS | 738 | ethylene-response protein, ETR1 | TRANS(21|43),TRANS(53|75),TRANS(82|104),GAF(158|317),HisKA(343|408),HATPase_c(455|583),REC(610|725) | ||
| Histidine Kinase | ERS1 | At2g40940 | T20B5.14 | AAB86454 | AC002409 | 6 | 613 | AY054532 | ethylene response sensor (ERS1) | TRANS(21|43),TRANS(53|75),TRANS(82|104),GAF(158|317),HisKA(343|408),HATPase_c(455|587) | |
| Histidine Kinase | ETR2 | At3g23150 | K14B15.9 | AAC62208 | AF047975, AB025608 | 2 | 773 | 314/589 (53%) ERS2 like | ethylene receptor, putative | SIGNAL(1|24),TRANS(56|73),TRANS(83|105),TRANS(118|140),GAF(187|341),HisKA(367|432),HATPase_c(476|616),REC(646|762) | |
| Histidine Kinase | EIN4 | At3g04580 | F7O18.5 | AAF04908 | AC011437 | 4 | 766 | 291/627 (46%) ERS2 like | putative ethylene receptor | SIGNAL(1|21),TRANS(49|71),TRANS(75|97),TRANS(110|132),GAF(181|341),HisKA(367|432),REC(642|761) | |
| Histidine Kinase | ERS2 | At1g04310 | F19P19.25 | AAC62209 | AC000104 | 5 | 645 | putative ethylene receptor | SIGNAL(1|25),TRANS(54|76),TRANS(83|105),TRANS(125|147),GAF(190|356),HisKA(382|448) | ||
| Histidine Kinase | PHYA | At1g09570 | F14J9.23 | AAK62577 | AC003970 | 28 | 1122 | ||||
| Histidine Kinase | PHYB | At2g18790 | MSF3.17 | AAD08948 | AC005724 | 3 | 1172 | ||||
| Histidine Kinase | PHYC | At5g35840 | MIK22.15 | BAB09925 | AB005236 | 2 | 1111 | ||||
| Histidine Kinase | PHYD | At4g16250 | dl4165c | CAB10404 | Z97335 | 1 | 1164 | ||||
| Histidine Kinase | PHYE | At4g18130 | F15J5.100 | CAB78815 | AL110123 | 5 | 1112 |