Title : Difluoromethylcobalamin: Structural Aspects of an Old Tree with a New Branch.

Pub. Date : 1999 Apr 19

PMID : 11670948






3 Functional Relationships(s)
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Compound Name
Protein Name
Organism
1 Difluoromethylcobalamin (CF(2)Cbl), a vitamin B(12) analogue with CHF(2) replacing CN, can be synthesized in a two-step procedure from aquocobalamin and CHClF(2). Niacinamide Cbl proto-oncogene Homo sapiens
2 The packing motif of CF(2)Cbl is very similar to that described for wet vitamin B(12), a distorted hexagonal close packing of the cobalamin, with channels of water running parallel to the crystallographic c axis through the crystal at x = (1)/(4), y = 0, and x = (3)/(4), y = (1)/(2), respectively. Niacinamide Cbl proto-oncogene Homo sapiens
3 A superposition of the crystal structures of vitamin B(12) and CF(2)Cbl shows a significant change at the molecular level. Niacinamide Cbl proto-oncogene Homo sapiens