>1BB1_1|Chain A|DESIGNED, THERMOSTABLE HETEROTRIMERIC COILED COIL|synthetic construct (32630) XAEIAAIEYEQAAIKEEIAAIKDKIAAIKEYIAAIX >1BB1_2|Chain B|DESIGNED, THERMOSTABLE HETEROTRIMERIC COILED COIL|synthetic construct (32630) XEKIAAIKEEQAAIEEEIQAIKEEIAAIKYLIAQIX >1BB1_3|Chain C|DESIGNED, THERMOSTABLE HETEROTRIMERIC COILED COIL|synthetic construct (32630) XAEIAAIKYKQAAIKNEIAAIKQEIAAIEQMIAAIX