>8H3Z_1|Chains A, B|NtcB|Anabaena (1163) HHHHHHELCIAAIHSLCGSYLPPVLQKFCRDYPEVQLRVTSLGSDRALKVLKDGLVDLAIVMNNRFLTTGRDMVVEVLYDEPIELLTAANHPLAAYERVPWSELVRYPQVVFKDGYGMQRLVQEKFERLEATLQAALEVNTLDAFRGVVRQGELIALLPSSALVEARLDPTLAVRPLANSALPENSGLTRRVVMVTTQDRLQIPPIKHFWQLVRENIPPIVERQRSAS