>1I21_1|Chains A, B, C[auth M], D[auth N], E[auth X], F[auth Y]|GLUCOSAMINE-PHOSPHATE N-ACETYLTRANSFERASE|Saccharomyces cerevisiae (4932) MSLPDGFYIRRMEEGDLEQVTETLKVLTTVGTITPESFCKLIKYWNEATVWNDNEDKKIMQYNPMVIVDKRTETVAATGNIIIERKIIHELGLCGHIEDIAVNSKYQGQGLGKLLIDQLVTIGFDYGCYKIILDCDEKNVKFYEKCGFSNAGVEMQIRK