TY - RPRT TI - A mutation in Escherichia coli K-12 results in a requirement for thiamine and a decrease in L-serine deaminase activity. AU - E B Newman AU - B Miller AU - L D Colebrook AU - C Walker PY - 1985 DO - 10.1128/jb.161.1.272-276.1985 UR - https://pubmed.ncbi.nlm.nih.gov/3918001/ ID - 3918001 ER -