>4E04_1|Chains A, B|Bacteriophytochrome (Light-regulated signal transduction histidine kinase), PhyB1|Rhodopseudomonas palustris (258594) MTEGSVARQPDLSTCDDEPIHIPGAIQPHGLLLALAADMTIVAGSDNLPELTGLAIGALIGRSAADVFDSETHNRLTIALAEPGAAVGAPIAVGFTMPDGERAFNGSWHRHDQLVFLELEPPQRDVRYPQAFFRSVRSAIRRLQAAETLESACAAAAQEVREITGFDRVMIYRFASDFSGEVIAEDRCAEVESYLGLHFPASDIPAQARRLYTINPVRIIPDINYRPVPVTPDLNPRTGRPIDLSFAILRSVSPVHLEYMRNIGMHGTMSISILRGERLWGLIACHHRKPNYVDLEVRQACELVAQVLAWQIGVMEEQALEHHHHHH