1QP4: Purine Repressor-Hypoxanthine-Palindromic Operator Complex reference: The role of lysine 55 in determining the specificity of the purine repressor for its operators through minor groove interactions., Glasfeld A, Koehler AN, Schumacher MA, Brennan RG, J Mol Biol 1999 Aug 13;291(2):347-61. PMID: 10438625 |
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