1KKG:
reference: Solution NMR structure of ribosome-binding factor A (RbfA), a cold-shock adaptation protein from Escherichia coli., Huang YJ, Swapna GV, Rajan PK, Ke H, Xia B, Shukla K, Inouye M, Montelione GT, J Mol Biol 2003 Mar 21;327(2):521-36. PMID: 12628255

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