2YKR:
reference: Structural basis for the function of a small GTPase RsgA on the 30S ribosomal subunit maturation revealed by cryoelectron microscopy., Guo Q, Yuan Y, Xu Y, Feng B, Liu L, Chen K, Sun M, Yang Z, Lei J, Gao N, Proc Natl Acad Sci U S A. 2011 Aug 9;108(32):13100-5. Epub 2011 Jul 25. PMID: 21788480

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