The enzymes (IMAGE)
Caption
Surface structures of the glutamine synthetase from Methermicoccus shengliensis (MsGS, turquoise) and Methanothermococcus thermolithotrophicus (MtGS, purple), which are differently regulated by 2-oxoglutarate and glutamine. Arrows indicating the pathway of ammonia assimilation and activity regulation.
Credit
M.-C. Müller and T. Wagner/Max Planck Institute for Marine Microbiology
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