MgRNA: Classification of Mg2+ binding sites in RNA crystal structures

Center for Structural Genomics of Infectious Diseases

	MgRNA: Classification of Mg²⁺ binding sites in RNA crystal structures

Mg²⁺ site A1618 in 4PE9 (2.95Å) -- RIBOSOME : Crystal structure of the e. coli ribosome bound to quinupristin. this file contains the 30s subunit of the first 70s ribosome.

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Binding environment of Mg²⁺ A1618

poly-nuclear Mg²⁺ site
Inner sphere	O_ph	C:A1054(OP2), A:A1197(OP2)
	O_r
	O_b+N_b
	Water	A1783, A1784, A1785, A1786
	Other
Outer sphere	P_out	G:A1198
	R_out	G:A1053
	B_out	G:A1198, U:A1199, A:A1197
	Each outer-sphere moiety is listed only once and only if it does not form inner-sphere interaction

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