>1K66_1|Chains A, B|Phytochrome Response Regulator RcpB|Tolypothrix sp. PCC 7601 (1188) AVGNATQPLLVVEDSDEDFSTFQRLLQREGVVNPIYRCITGDQALDFLYQTGSYCNPDIAPRPAVILLDLNLPGTDGREVLQEIKQDEVLKKIPVVIMTTSSNPKDIEICYSYSISSYIVKPLEIDRLTETVQTFIKYWLDIVVLPEMG