A1KR3

[[(2~{R},3~{S},4~{R},5~{R})-5-(2-azanyl-7-methyl-6-oxidanylidene-1~{H}-purin-9-yl)-3-methoxy-4-oxidanyl-oxolan-2-yl]methoxy-oxidanyl-phosphoryl] [[(2~{R},3~{R},4~{R},5~{R})-3-[[(2~{R},3~{S},4~{R},5~{R})-5-(2-azanyl-6-oxidanylidene-1~{H}-purin-9-yl)-3,4-bis(oxidanyl)oxolan-2-yl]methoxy-oxidanyl-phosphoryl]oxy-4-methylsulfanyl-5-[6-[(~{E})-(phenylmethylidene)amino]purin-9-yl]oxolan-2-yl]methoxy-oxidanyl-phosphoryl] hydrogen phosphate

Created:	2026-09-22
Last modified:	2026-10-14

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1 entries where A1KR3 is found as a standalone ligand

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Chemical Details
Formal Charge	0
Atom Count	133
Chiral Atom Count	12
Bond Count	142
Aromatic Bond Count	26

2D diagram of A1KR3

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Chemical Component Summary
Name	[[(2~{R},3~{S},4~{R},5~{R})-5-(2-azanyl-7-methyl-6-oxidanylidene-1~{H}-purin-9-yl)-3-methoxy-4-oxidanyl-oxolan-2-yl]methoxy-oxidanyl-phosphoryl] [[(2~{R},3~{R},4~{R},5~{R})-3-[[(2~{R},3~{S},4~{R},5~{R})-5-(2-azanyl-6-oxidanylidene-1~{H}-purin-9-yl)-3,4-bis(oxidanyl)oxolan-2-yl]methoxy-oxidanyl-phosphoryl]oxy-4-methylsulfanyl-5-[6-[(~{E})-(phenylmethylidene)amino]purin-9-yl]oxolan-2-yl]methoxy-oxidanyl-phosphoryl] hydrogen phosphate
Systematic Name (OpenEye OEToolkits)	[[(2~{R},3~{S},4~{R},5~{R})-5-(2-azanyl-7-methyl-6-oxidanylidene-1~{H}-purin-9-yl)-3-methoxy-4-oxidanyl-oxolan-2-yl]methoxy-oxidanyl-phosphoryl] [[(2~{R},3~{R},4~{R},5~{R})-3-[[(2~{R},3~{S},4~{R},5~{R})-5-(2-azanyl-6-oxidanylidene-1~{H}-purin-9-yl)-3,4-bis(oxidanyl)oxolan-2-yl]methoxy-oxidanyl-phosphoryl]oxy-4-methylsulfanyl-5-[6-[(~{E})-(phenylmethylidene)amino]purin-9-yl]oxolan-2-yl]methoxy-oxidanyl-phosphoryl] hydrogen phosphate
Formula	C₄₀ H₅₀ N₁₅ O₂₃ P₄ S
Molecular Weight	1,264.872
Type	NON-POLYMER

Chemical Descriptors
Type	Program	Version	Descriptor
SMILES	CACTVS	3.385	CO[CH]1[CH](O)[CH](O[CH]1CO[P](O)(=O)O[P](O)(=O)O[P](O)(=O)OC[CH]2O[CH]([CH](SC)[CH]2O[P](O)(=O)OC[CH]3O[CH]([CH](O)[CH]3O)n4cnc5C(=O)NC(=Nc45)N)n6cnc7c(ncnc67)N=Cc8ccccc8)[n]9cn(C)c%10C(=O)NC(=Nc9%10)N
SMILES	OpenEye OEToolkits	2.0.7	CN1C=[N](C2=C1C(=O)NC(=N2)N)C3C(C(C(O3)COP(=O)(O)OP(=O)(O)OP(=O)(O)OCC4C(C(C(O4)n5cnc6c5ncnc6N=Cc7ccccc7)SC)OP(=O)(O)OCC8C(C(C(O8)n9cnc1c9N=C(NC1=O)N)O)O)OC)O
Canonical SMILES	CACTVS	3.385	CO[C@H]1[C@@H](O)[C@@H](O[C@@H]1CO[P](O)(=O)O[P](O)(=O)O[P](O)(=O)OC[C@H]2O[C@H]([C@H](SC)[C@@H]2O[P](O)(=O)OC[C@H]3O[C@H]([C@H](O)[C@@H]3O)n4cnc5C(=O)NC(=Nc45)N)n6cnc7c(ncnc67)N=Cc8ccccc8)[n]9cn(C)c%10C(=O)NC(=Nc9%10)N
Canonical SMILES	OpenEye OEToolkits	2.0.7	CN1C=[N](C2=C1C(=O)NC(=N2)N)[C@H]3[C@@H]([C@@H]([C@H](O3)COP(=O)(O)OP(=O)(O)OP(=O)(O)OC[C@@H]4[C@H]([C@H]([C@@H](O4)n5cnc6c5ncnc6/N=C/c7ccccc7)SC)OP(=O)(O)OC[C@@H]8[C@H]([C@H]([C@@H](O8)n9cnc1c9N=C(NC1=O)N)O)O)OC)O
InChI	InChI	1.06	InChI=1S/C40H50N15O23P4S/c1-52-16-55(33-23(52)35(60)51-40(42)49-33)37-26(58)27(69-2)19(74-37)11-71-80(63,64)77-82(67,68)78-81(65,66)72-12-20-28(29(83-3)38(75-20)53-14-46-21-30(44-13-45-31(21)53)43-9-17-7-5-4-6-8-17)76-79(61,62)70-10-18-24(56)25(57)36(73-18)54-15-47-22-32(54)48-39(41)50-34(22)59/h4-9,13-16,18-20,24-29,36-38,56-58H,10-12H2,1-3H3,(H,61,62)(H,63,64)(H,65,66)(H,67,68)(H3,41,48,50,59)(H3,42,49,51,60)/b43-9+/t18-,19-,20-,24-,25-,26-,27-,28-,29-,36-,37-,38-/m1/s1
InChIKey	InChI	1.06	RGGFCCGAIXRNOQ-DJAMVMRISA-N