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Bioorg Khim. 1990 Mar;16(3):336-44.

[NAD-dependent formate dehydrogenase of methylotrophic bacteria Pseudomonas sp. 101. II. Enzyme conformation at 3.0 A resolution].

[Article in Russian]


Three heavy atom isomorphous derivatives were used for the X-ray analysis of the holo form of NAD-dependent bacterial formate dehydrogenase (ternary complex enzyme-NAD-azide) at 3.0 A resolution. The enzyme subunit contains a catalytic and a coenzyme binding domain, with the active centre and the coenzyme binding site in the cleft between the domains. The polypeptide chain's fold and the position of 393 C alpha-atoms were determined. The secondary structure of the formate dehydrogenase was resolved. The structure of the NAD-binding domain is shown to be similar to that of other NAD-dependent enzymes.

[PubMed - indexed for MEDLINE]
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