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Brief Communication

Nature Structural & Molecular Biology 15, 101–102 (1 January 2008) | doi:10.1038/nsmb1329

Structural basis for the catalytic mechanism of phosphothreonine lyase

Linjie Chen , Huayi Wang , Jie Zhang , Lichuan Gu , Niu Huang , Jian-Min Zhou & Jijie Chai

Salmonella SpvC belongs to a new enzyme family designated phosphothreonine lyases that irreversibly inactivate mitogen-activated protein kinases. The crystal structure of SpvC reported here reveals that the two phosphorylated residues in the substrate peptide predominantly mediate its recognition by SpvC.