TY - RPRT TI - Defining substrate characteristics from 3D structure; perspective on EstA structure. AU - Joseph D Schrag AU - Miroslaw Cygler PY - 2004 DO - 10.1016/j.str.2004.03.014 UR - https://pubmed.ncbi.nlm.nih.gov/15062074/ ID - 15062074 ER -