Title : Moderate dietary vitamin B-6 restriction raises plasma glycine and cystathionine concentrations while minimally affecting the rates of glycine turnover and glycine cleavage in healthy men and women.

Pub. Date : 2009 Mar

PMID : 19158217






5 Functional Relationships(s)
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Compound Name
Protein Name
Organism
1 Glycine decarboxylation through the glycine cleavage system (GCS) and glycine-serine transformation by serine hydroxymethyltransferase (SHMT) require pyridoxal 5"-phosphate (PLP; active form of vitamin B-6) as a coenzyme. Glycine serine hydroxymethyltransferase 1 Homo sapiens
2 Glycine decarboxylation through the glycine cleavage system (GCS) and glycine-serine transformation by serine hydroxymethyltransferase (SHMT) require pyridoxal 5"-phosphate (PLP; active form of vitamin B-6) as a coenzyme. Glycine serine hydroxymethyltransferase 1 Homo sapiens
3 Glycine decarboxylation through the glycine cleavage system (GCS) and glycine-serine transformation by serine hydroxymethyltransferase (SHMT) require pyridoxal 5"-phosphate (PLP; active form of vitamin B-6) as a coenzyme. Glycine serine hydroxymethyltransferase 1 Homo sapiens
4 SHMT-mediated conversion of glycine to serine increased from 182 +/- 7 to 205 +/- 9 micromol x kg(-1) x h(-1) (P < 0.05), but serine production using a GCS-derived 1-carbon unit (93 +/- 9 vs. 91 +/- 6 micromol x kg(-1) x h(-1)) and glycine cleavage (163 +/- 11 vs. 151 +/- 8 micromol x kg(-1) x h(-1)) were not changed by vitamin B-6 restriction. Glycine serine hydroxymethyltransferase 1 Homo sapiens
5 SHMT-mediated conversion of glycine to serine increased from 182 +/- 7 to 205 +/- 9 micromol x kg(-1) x h(-1) (P < 0.05), but serine production using a GCS-derived 1-carbon unit (93 +/- 9 vs. 91 +/- 6 micromol x kg(-1) x h(-1)) and glycine cleavage (163 +/- 11 vs. 151 +/- 8 micromol x kg(-1) x h(-1)) were not changed by vitamin B-6 restriction. Glycine serine hydroxymethyltransferase 1 Homo sapiens