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EC Number	Crystallization (Commentary)
1.1.98.6	C-terminal region contains a Zn(Cys)4 center structurally related to the zinc ribbon motif and to rubredoxin and rubrerythrin. Residues Cys543, Cys546, Cys561, and Cys564 coordinate the metal ion tetrahedrally
1.1.98.6	quantum chemical calculation of reaction mechanism. Carbon dioxide is formed from formate, which is present as a cofactor. The formate first forms a formyl radical. The next step, where the formyl radical protonates the 3'-keto group of the substrate, is rate limiting with a calculated total barrier of 19.9 kcal/mol, in reasonable agreement with the experimental rate-limiting barrier of 17 kcal/mol. Zero-point and entropy effects are quite significant in lowering the barrier

EC Number

Crystallization (Commentary)

1.1.98.6

C-terminal region contains a Zn(Cys)4 center structurally related to the zinc ribbon motif and to rubredoxin and rubrerythrin. Residues Cys543, Cys546, Cys561, and Cys564 coordinate the metal ion tetrahedrally

1.1.98.6

quantum chemical calculation of reaction mechanism. Carbon dioxide is formed from formate, which is present as a cofactor. The formate first forms a formyl radical. The next step, where the formyl radical protonates the 3'-keto group of the substrate, is rate limiting with a calculated total barrier of 19.9 kcal/mol, in reasonable agreement with the experimental rate-limiting barrier of 17 kcal/mol. Zero-point and entropy effects are quite significant in lowering the barrier

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Release 2023.1 (January 2023)