TY - RPRT TI - Substrate specificity for 4-thiouridine modification in Escherichia coli. AU - Charles T Lauhon AU - Whitney M Erwin AU - Giangthy N Ton PY - 2004 DO - 10.1074/jbc.m401757200 UR - https://pubmed.ncbi.nlm.nih.gov/15037613/ ID - 15037613 ER -