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18M

2'-O-methylguanosine 3',5'-bis(dihydrogen phosphate)

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18M is present as a standalone ligand

18M as a non-polymer is covalently linked to polymer or other heterogen groups

18M is present in a polymer sequence

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View summary at Ligand Expo

Chemical Component Summary
Name	2'-O-methylguanosine 3',5'-bis(dihydrogen phosphate)
Identifiers	[(2R,3R,4R,5R)-5-(2-azanyl-6-oxidanylidene-3H-purin-9-yl)-4-methoxy-2-(phosphonooxymethyl)oxolan-3-yl] dihydrogen phosphate
Formula	C₁₁ H₁₇ N₅ O₁₁ P₂
Molecular Weight	457.23
Type	RNA LINKING
Isomeric SMILES	CO[C@@H]1[C@H](O[P](O)(O)=O)[C@@H](CO[P](O)(O)=O)O[C@H]1n2cnc3C(=O)N=C(N)Nc23
InChI	InChI=1S/C11H17N5O11P2/c1-24-7-6(27-29(21,22)23)4(2-25-28(18,19)20)26-10(7)16-3-13-5-8(16)14-11(12)15-9(5)17/h3-4,6-7,10H,2H2,1H3,(H2,18,19,20)(H2,21,22,23)(H3,12,14,15,17)/t4-,6-,7-,10-/m1/s1
InChIKey	SKZHCLKZMCYMDN-KQYNXXCUSA-N

Chemical Details
Formal Charge	0
Atom Count	46
Chiral Atom Count	4
Bond Count	48
Aromatic Bond Count	5

RCSB PDB is funded by the National Science Foundation (DBI-1832184), the US Department of Energy (DE-SC0019749), and the National Cancer Institute, National Institute of Allergy and Infectious Diseases, and National Institute of General Medical Sciences of the National Institutes of Health under grant R01GM133198.