>4r6l_B mol:protein length:519 Bacteriophytochrome (Light-regulated signal transduction histidine kinase), PhyB1MTEGSVARQPDLSTCDDEPIHIPGAIQPHGLLLALAADMTIVAGSDNLPELTGLAIGALIGRSAADVFDSETHNRLTIALAEPGAAVGAPIAVGFTMRKDAGFVGSWHRHDQLVFLELEPPQRDVAEPQAFFRRTNSAIRRLQAAETLESACAAAAQEVREITGFDRVMIYRFASDFSGEVIAEDRCAEVESYLGLHFPASDIPAQARRLYTINPVRIIPDINYRPVPVTPDLNPVTGRPIDLSFAILRSVSPVHLEYMRNIGMHGTMSISILRGERLWGLIACHHRKPNYVDLDGRQACELVAQVLAWQIGVMEEQAITRQTLKGQAIQRSLINDIEQLHDHRAGLARNSEALLELMGASGLCLHSREGVITIGQTPPGPIIDQLAQLAGRSGGSELFQTDRLSTIIPEAGAFAEVASGVLAVPLSRTPPRRVMLWFRPEVAQTVYWAGNPDKSVTAESGRLRPRTSFAAWTEQTHGRAIAWQPHEVAAAVEIRDLIIDVILRNTKLAAALEHHHHHH