1D6T:
reference: The structure of ribonuclease P protein from Staphylococcus aureus reveals a unique binding site for single-stranded RNA., Spitzfaden C, Nicholson N, Jones JJ, Guth S, Lehr R, Prescott CD, Hegg LA, Eggleston DS, J Mol Biol 2000 Jan 7;295(1):105-15. PMID: 10623511

This OCA Structure page
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