PDB_ID STRUCTURE TITLE DEPOSITION DATE RELEASE DATE AUTHORS TITLE JOURNAL YEAR VOLUME FIRST PAGE LAST PAGE 1NLF Crystal Structure of DNA Helicase RepA in complex with sulfate at 1.95 A resolution 2003-01-07 2003-04-29 Xu, H.,Strater, N.,Schroder, W.,Bottcher, C.,Ludwig, K.,Saenger, W. Structure of DNA helicase RepA in complex with sulfate at 1.95 A resolution implicates structural changes to an "open" form. Acta Crystallogr.,Sect.D 2003 59 815 822