Sora Matsumoto

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Mutations were introduced into the region encoding the two cysteine and nearby amino acid residues of human immunodeficiency virus type 1 (HIV-1) Vif protein and, 12 single-amino-acid viral mutants were constructed. Determination of their growth characteristics in two lymphocytic cell lines revealed that only a single amino acid change in the cysteine(More)
A chromosomal gene, mlr6793, in Mesorhizobium loti was identified as the gene encoding 5-formyl-3-hydroxy-2-methylpyridine 4-carboxylic acid (FHMPC) dehydrogenase (dismutase) involved in the degradation pathway for pyridoxine (vitamin B(6)). The homogenously purified recombinant enzyme has a molecular mass of 59.1 kDa and is a homodimeric protein. FHMPC(More)
The vif gene of human immunodeficiency virus type 1 (HIV-1) is essential for virus growth in non-permissive cells such as H9. To elucidate the mechanism of action of the Vif protein, vif mutants, which show trans-dominant negative effects on the replication of HIV-1, would be useful tools. In this study, a new assay system to identify the mutants of this(More)
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