#IFEStandardized nameMoleculeOrganismSourceRfamTitleMethodRes. Å#NTsDate
19E5O|1|B (rep)RNA (76-MER)marine metagenomeenv2 cobalamin riboswitch aptamer domain in complex with ethynyl-pyrene-cobalaminX-ray diffraction1.36762025-09-24
29E5O|1|ARNA (76-MER)marine metagenomeenv2 cobalamin riboswitch aptamer domain in complex with ethynyl-pyrene-cobalaminX-ray diffraction1.36762025-09-24
39E5Q|1|ARNA (76-MER)marine metagenomeenv2 cobalamin riboswitch aptamer domain in complex with ethynyl-N-phenylpropiolamide-cobalaminX-ray diffraction1.36762025-09-24
49E5Q|1|BRNA (76-MER)marine metagenomeenv2 cobalamin riboswitch aptamer domain in complex with ethynyl-N-phenylpropiolamide-cobalaminX-ray diffraction1.36762025-09-24
59E5K|1|CRNA (76-MER)marine metagenomeenv2 cobalamin riboswitch aptamer domain in complex with ethynyl-3-methylbenzene-cobalaminX-ray diffraction1.9762025-09-24
69E5K|1|ARNA (76-MER)marine metagenomeenv2 cobalamin riboswitch aptamer domain in complex with ethynyl-3-methylbenzene-cobalaminX-ray diffraction1.9762025-09-24
79E5M|1|ARNA (76-MER)marine metagenomeenv2 cobalamin riboswitch aptamer domain in complex with ethynyl-4,1'-biphenyl-cobalaminX-ray diffraction1.39762025-09-24
89E5K|1|BRNA (76-MER)marine metagenomeenv2 cobalamin riboswitch aptamer domain in complex with ethynyl-3-methylbenzene-cobalaminX-ray diffraction1.9762025-09-24
99E5K|1|DRNA (76-MER)marine metagenomeenv2 cobalamin riboswitch aptamer domain in complex with ethynyl-3-methylbenzene-cobalaminX-ray diffraction1.9762025-09-24
109E5L|1|ARNA (76-MER)marine metagenomeenv2 cobalamin riboswitch aptamer domain in complex with ethynyl-benzothiophene-cobalaminX-ray diffraction1.43762025-09-24
119E5M|1|BRNA (76-MER)marine metagenomeenv2 cobalamin riboswitch aptamer domain in complex with ethynyl-4,1'-biphenyl-cobalaminX-ray diffraction1.39762025-09-24
129E5L|1|BRNA (76-MER)marine metagenomeenv2 cobalamin riboswitch aptamer domain in complex with ethynyl-benzothiophene-cobalaminX-ray diffraction1.43762025-09-24
139E5I|1|ARNA (76-MER)marine metagenomeenv2 cobalamin riboswitch aptamer domain in complex with ethynyl-4-nitrobenzene-cobalaminX-ray diffraction1.42762025-09-24
149E5I|1|BRNA (76-MER)marine metagenomeenv2 cobalamin riboswitch aptamer domain in complex with ethynyl-4-nitrobenzene-cobalaminX-ray diffraction1.42762025-09-24
159ELR|1|BRNA (76-MER)marine metagenomeenv2 cobalamin riboswitch aptamer domain in complex with ethynyl-2-naphthalenepropiolate-cobalaminX-ray diffraction2.2762025-09-24
169ELR|1|ARNA (76-MER)marine metagenomeenv2 cobalamin riboswitch aptamer domain in complex with ethynyl-2-naphthalenepropiolate-cobalaminX-ray diffraction2.2762025-09-24
1737CM|1|ARNA (76-MER)marine metagenomeenv2 cobalamin riboswitch aptamer domain in complex with ethynyl-N-cyclopropylpropiolamide-cobalaminX-ray diffraction2.51762026-08-05
1837CM|1|BRNA (76-MER)marine metagenomeenv2 cobalamin riboswitch aptamer domain in complex with ethynyl-N-cyclopropylpropiolamide-cobalaminX-ray diffraction2.51762026-08-05
199E5T|1|ARNA (76-MER)marine metagenomeenv2 cobalamin riboswitch aptamer domain in complex with ethynyl-4-(4-phenyl-2,3,4-triazole)-guanidinium-cobalaminX-ray diffraction2.19762025-09-24
209E5P|1|ARNA (76-MER)marine metagenomeenv2 cobalamin riboswitch aptamer domain in complex with ethynyl-benzofuran-cobalaminX-ray diffraction2.36762025-09-24
219E5R|1|BRNA (76-MER)marine metagenomeenv2 cobalamin riboswitch aptamer domain in complex with ethynyl-N-ethylpropiolamide-cobalaminX-ray diffraction2.34762025-09-24
229E5R|1|ARNA (76-MER)marine metagenomeenv2 cobalamin riboswitch aptamer domain in complex with ethynyl-N-ethylpropiolamide-cobalaminX-ray diffraction2.34762025-09-24
2337CP|1|ARNA (76-MER)marine metagenomeenv2 cobalamin riboswitch aptamer domain in complex with ethynyl-N-CH2-cyclopropylpropiolamide-cobalaminX-ray diffraction2.78762026-08-26
249E5P|1|BRNA (76-MER)marine metagenomeenv2 cobalamin riboswitch aptamer domain in complex with ethynyl-benzofuran-cobalaminX-ray diffraction2.36762025-09-24
259MFH|1|ARNA (76-MER)marine metagenomeenv2 cobalamin riboswitch aptamer domain in the apo stateX-ray diffraction2.7762025-09-24
2637CP|1|BRNA (76-MER)marine metagenomeenv2 cobalamin riboswitch aptamer domain in complex with ethynyl-N-CH2-cyclopropylpropiolamide-cobalaminX-ray diffraction2.78762026-08-26
279E5T|1|BRNA (76-MER)marine metagenomeenv2 cobalamin riboswitch aptamer domain in complex with ethynyl-4-(4-phenyl-2,3,4-triazole)-guanidinium-cobalaminX-ray diffraction2.19762025-09-24
289E5J|1|BRNA (76-MER)marine metagenomeenv2 cobalamin riboswitch aptamer domain in complex with ethynyl-4-methoxybenzene-cobalaminX-ray diffraction2.35762025-09-24
299E5S|1|ARNA (76-MER)marine metagenomeenv2 cobalamin riboswitch aptamer domain in complex with ethynyl-4-(4-phenyl-2,3,4-triazole)-propanamine-cobalaminX-ray diffraction2.55762025-09-24
3037CO|1|ARNA (76-MER)marine metagenomeenv2 cobalamin riboswitch aptamer domain in complex with ethynyl-N-cyclohexylpropiolamide-cobalaminX-ray diffraction2.68762026-08-26
319E5J|1|ARNA (76-MER)marine metagenomeenv2 cobalamin riboswitch aptamer domain in complex with ethynyl-4-methoxybenzene-cobalaminX-ray diffraction2.35762025-09-24
3237CO|1|BRNA (76-MER)marine metagenomeenv2 cobalamin riboswitch aptamer domain in complex with ethynyl-N-cyclohexylpropiolamide-cobalaminX-ray diffraction2.68762026-08-26
339E5S|1|BRNA (76-MER)marine metagenomeenv2 cobalamin riboswitch aptamer domain in complex with ethynyl-4-(4-phenyl-2,3,4-triazole)-propanamine-cobalaminX-ray diffraction2.55762025-09-24
349E5H|1|ARNA (76-MER)marine metagenomeenv2 cobalamin riboswitch aptamer domain in complex with cyanocobalaminX-ray diffraction2.8762025-09-24
359E5H|1|BRNA (76-MER)marine metagenomeenv2 cobalamin riboswitch aptamer domain in complex with cyanocobalaminX-ray diffraction2.8762025-09-24
3637CN|1|BRNA (76-MER)marine metagenomeenv2 cobalamin riboswitch aptamer domain in complex with ethynyl-N-cyclopentylpropiolamide-cobalaminX-ray diffraction2.99762026-08-26
3737CN|1|ARNA (76-MER)marine metagenomeenv2 cobalamin riboswitch aptamer domain in complex with ethynyl-N-cyclopentylpropiolamide-cobalaminX-ray diffraction2.99762026-08-26

Release history

Release4.54
Date2026-08-26

Parents

This classParent classesRelease idIntersectionAdded to this classOnly in parent

Children

This class Descendant classesRelease idIntersectionOnly in this classAdded to child

Instances are ordered to put similar structures near each other. Select one instance to see its 3D structure. Selecting two or more instances will show their superposition, but only chains with identical numbers of observed nucleotides will superpose well. Large structures are slow to display; this tool is not designed for that.

#SViewPDBTitleMethodResolution#NTs
137CN|1|Aenv2 cobalamin riboswitch aptamer domain in complex with ethynyl-N-cyclopentylpropiolamide-cobalaminX-RAY DIFFRACTION2.9976
237CP|1|Aenv2 cobalamin riboswitch aptamer domain in complex with ethynyl-N-CH2-cyclopropylpropiolamide-cobalaminX-RAY DIFFRACTION2.7876
337CO|1|Aenv2 cobalamin riboswitch aptamer domain in complex with ethynyl-N-cyclohexylpropiolamide-cobalaminX-RAY DIFFRACTION2.6876
437CM|1|Aenv2 cobalamin riboswitch aptamer domain in complex with ethynyl-N-cyclopropylpropiolamide-cobalaminX-RAY DIFFRACTION2.5176
537CM|1|Benv2 cobalamin riboswitch aptamer domain in complex with ethynyl-N-cyclopropylpropiolamide-cobalaminX-RAY DIFFRACTION2.5176
637CP|1|Benv2 cobalamin riboswitch aptamer domain in complex with ethynyl-N-CH2-cyclopropylpropiolamide-cobalaminX-RAY DIFFRACTION2.7876
79E5P|1|Benv2 cobalamin riboswitch aptamer domain in complex with ethynyl-benzofuran-cobalaminX-RAY DIFFRACTION2.3676
89E5R|1|Benv2 cobalamin riboswitch aptamer domain in complex with ethynyl-N-ethylpropiolamide-cobalaminX-RAY DIFFRACTION2.3476
99E5K|1|Denv2 cobalamin riboswitch aptamer domain in complex with ethynyl-3-methylbenzene-cobalaminX-RAY DIFFRACTION1.976
109E5K|1|Cenv2 cobalamin riboswitch aptamer domain in complex with ethynyl-3-methylbenzene-cobalaminX-RAY DIFFRACTION1.976
119E5O|1|Benv2 cobalamin riboswitch aptamer domain in complex with ethynyl-pyrene-cobalaminX-RAY DIFFRACTION1.3676
129E5R|1|Aenv2 cobalamin riboswitch aptamer domain in complex with ethynyl-N-ethylpropiolamide-cobalaminX-RAY DIFFRACTION2.3476
139ELR|1|Aenv2 cobalamin riboswitch aptamer domain in complex with ethynyl-2-naphthalenepropiolate-cobalaminX-RAY DIFFRACTION2.276
149E5I|1|Aenv2 cobalamin riboswitch aptamer domain in complex with ethynyl-4-nitrobenzene-cobalaminX-RAY DIFFRACTION1.4276
159E5K|1|Aenv2 cobalamin riboswitch aptamer domain in complex with ethynyl-3-methylbenzene-cobalaminX-RAY DIFFRACTION1.976
169E5K|1|Benv2 cobalamin riboswitch aptamer domain in complex with ethynyl-3-methylbenzene-cobalaminX-RAY DIFFRACTION1.976
179E5P|1|Aenv2 cobalamin riboswitch aptamer domain in complex with ethynyl-benzofuran-cobalaminX-RAY DIFFRACTION2.3676
189E5M|1|Aenv2 cobalamin riboswitch aptamer domain in complex with ethynyl-4,1'-biphenyl-cobalaminX-RAY DIFFRACTION1.3976
199E5L|1|Aenv2 cobalamin riboswitch aptamer domain in complex with ethynyl-benzothiophene-cobalaminX-RAY DIFFRACTION1.4376
209E5S|1|Aenv2 cobalamin riboswitch aptamer domain in complex with ethynyl-4-(4-phenyl-2,3,4-triazole)-propanamine-cobalaminX-RAY DIFFRACTION2.5576
219E5Q|1|Aenv2 cobalamin riboswitch aptamer domain in complex with ethynyl-N-phenylpropiolamide-cobalaminX-RAY DIFFRACTION1.3676
229E5O|1|Aenv2 cobalamin riboswitch aptamer domain in complex with ethynyl-pyrene-cobalaminX-RAY DIFFRACTION1.3676
239ELR|1|Benv2 cobalamin riboswitch aptamer domain in complex with ethynyl-2-naphthalenepropiolate-cobalaminX-RAY DIFFRACTION2.276
249E5M|1|Benv2 cobalamin riboswitch aptamer domain in complex with ethynyl-4,1'-biphenyl-cobalaminX-RAY DIFFRACTION1.3976
259E5Q|1|Benv2 cobalamin riboswitch aptamer domain in complex with ethynyl-N-phenylpropiolamide-cobalaminX-RAY DIFFRACTION1.3676
269E5L|1|Benv2 cobalamin riboswitch aptamer domain in complex with ethynyl-benzothiophene-cobalaminX-RAY DIFFRACTION1.4376
279E5T|1|Aenv2 cobalamin riboswitch aptamer domain in complex with ethynyl-4-(4-phenyl-2,3,4-triazole)-guanidinium-cobalaminX-RAY DIFFRACTION2.1976
289E5J|1|Aenv2 cobalamin riboswitch aptamer domain in complex with ethynyl-4-methoxybenzene-cobalaminX-RAY DIFFRACTION2.3576
299E5T|1|Benv2 cobalamin riboswitch aptamer domain in complex with ethynyl-4-(4-phenyl-2,3,4-triazole)-guanidinium-cobalaminX-RAY DIFFRACTION2.1976
309E5I|1|Benv2 cobalamin riboswitch aptamer domain in complex with ethynyl-4-nitrobenzene-cobalaminX-RAY DIFFRACTION1.4276
3137CO|1|Benv2 cobalamin riboswitch aptamer domain in complex with ethynyl-N-cyclohexylpropiolamide-cobalaminX-RAY DIFFRACTION2.6876
3237CN|1|Benv2 cobalamin riboswitch aptamer domain in complex with ethynyl-N-cyclopentylpropiolamide-cobalaminX-RAY DIFFRACTION2.9976
339E5S|1|Benv2 cobalamin riboswitch aptamer domain in complex with ethynyl-4-(4-phenyl-2,3,4-triazole)-propanamine-cobalaminX-RAY DIFFRACTION2.5576
349E5J|1|Benv2 cobalamin riboswitch aptamer domain in complex with ethynyl-4-methoxybenzene-cobalaminX-RAY DIFFRACTION2.3576
359E5H|1|Aenv2 cobalamin riboswitch aptamer domain in complex with cyanocobalaminX-RAY DIFFRACTION2.876
369E5H|1|Benv2 cobalamin riboswitch aptamer domain in complex with cyanocobalaminX-RAY DIFFRACTION2.876
379MFH|1|Aenv2 cobalamin riboswitch aptamer domain in the apo stateX-RAY DIFFRACTION2.776

Heat map of mutual geometric discrepancy, in Angstroms per nucleotide. The ordering in the heat map is the same as in the table. The colorbar ranges from 0 to the maximum observed discrepancy. Click above the diagonal to select a range of structures, below the diagonal to select two structures.


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