This domain receives the signal from the sensor partner in bacterial two - component systems . these results indicated that the protein of the orf4 works as atpase function involved in the synthesis of magnetosome or takes part in the signal transduction relate to the promotion of magnetosome biosynthesis 通過對orf4編碼蛋白同源比較和功能分析,推測orf4編碼蛋白可能的功能有兩種:具atpase活性,在磁小體合成過程中為鐵轉(zhuǎn)運(yùn)提供能量;或參與磁小體合成啟動(dòng)過程中的信號轉(zhuǎn)導(dǎo)。
We divided all stpks into 5 subfamilies according to their own structure characterizes . stk - i only possess regions similar to the typical catalytic domain of stpks , stk - ii contain wd40 repeats , stk - iii contain all kinds of regulator domain in their c - terminal region , stk - iv have their catalytic domains located in the n - terminal region , while hstk - i also have a his kinase domain of two - component system 按照stpks結(jié)構(gòu)的不同可劃分為五個(gè)亞類: stk -亞類只含有一個(gè)催化區(qū)域; stk -亞類的c端含有wd40重復(fù)序列; stk -亞類的c端含有不同的調(diào)節(jié)區(qū)域; stk -亞類的催化區(qū)域位于c端, hstk -亞類則既含有絲氨酸蘇氨酸激酶的催化區(qū)域,又含有組氨酸激酶催化區(qū)域。