Browsing by Subject "Vitamin B12"
Now showing items 1-4 of 4
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(Texas A&M University. Libraries, 1987)The role of folates in the enzymatic formation of the porphyrin macrocycles was investigated. Uroporphyrinogen III cosynthetase-free hydroxymethylbilane synthase from Rhodopseudomonas spheroides was incubated with the ...
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(Texas A&M University. Libraries, 1976)Rate constants for the formation, k₁(superscript app) and decomposition, k₋ ₁(superscript app), of glycine, imidazole, sodium azide, cysteine, N-butanoyl-D,L-cysteine, N-octanoyl-D,L-cysteine, and N-decanoyl-D,L-cysteine ...
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(Texas A&M University. Libraries, 1992)Some of the Pseudomonas denitrificans cob and the Salmonella typhimurium cbi genes involved in vitamin B12 biosynthesis were overexpressed in the heterologous E. coli system and purified. The functions of P. denitrificans ...
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(Texas A&M University. Libraries, 1990)The synthesis of some of the postulated intermediates in the pathway of vitamin B12 biosynthesis, precorrins-4A, -4B and -5, were initiated. The different ring precursors necessary for the precorrins were prepared as racemic ...