>6NOY_1|Chains A, B, C[auth G], D[auth H]|Maintenance of carboxysome positioning B protein, Mcsb|Cyanothece (43988) GSHMSNNALDRLINKQKPKVPPRNDVVSESVSNDIKTQGQQELNTSLPPSDTKATPEEMPTSHESETSLSQDQKPKLSPDTFETVRNTIRIESEVDESLRQLCHEERITKETWLEAAYLYLCEKPEELAQVIQLAQERLSQRKAIADYKRAKTMQERFL