#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
19MFH|1|Aenv2 cobalamin riboswitch aptamer domain in the apo stateX-RAY DIFFRACTION2.776
237CN|1|Aenv2 cobalamin riboswitch aptamer domain in complex with ethynyl-N-cyclopentylpropiolamide-cobalaminX-RAY DIFFRACTION2.9976
337CO|1|Benv2 cobalamin riboswitch aptamer domain in complex with ethynyl-N-cyclohexylpropiolamide-cobalaminX-RAY DIFFRACTION2.6876
437CP|1|Benv2 cobalamin riboswitch aptamer domain in complex with ethynyl-N-CH2-cyclopropylpropiolamide-cobalaminX-RAY DIFFRACTION2.7876
537CM|1|Benv2 cobalamin riboswitch aptamer domain in complex with ethynyl-N-cyclopropylpropiolamide-cobalaminX-RAY DIFFRACTION2.5176
637CM|1|Aenv2 cobalamin riboswitch aptamer domain in complex with ethynyl-N-cyclopropylpropiolamide-cobalaminX-RAY DIFFRACTION2.5176
737CO|1|Aenv2 cobalamin riboswitch aptamer domain in complex with ethynyl-N-cyclohexylpropiolamide-cobalaminX-RAY DIFFRACTION2.6876
837CP|1|Aenv2 cobalamin riboswitch aptamer domain in complex with ethynyl-N-CH2-cyclopropylpropiolamide-cobalaminX-RAY DIFFRACTION2.7876
99E5I|1|Aenv2 cobalamin riboswitch aptamer domain in complex with ethynyl-4-nitrobenzene-cobalaminX-RAY DIFFRACTION1.4276
109ELR|1|Aenv2 cobalamin riboswitch aptamer domain in complex with ethynyl-2-naphthalenepropiolate-cobalaminX-RAY DIFFRACTION2.276
119E5R|1|Aenv2 cobalamin riboswitch aptamer domain in complex with ethynyl-N-ethylpropiolamide-cobalaminX-RAY DIFFRACTION2.3476
129E5P|1|Aenv2 cobalamin riboswitch aptamer domain in complex with ethynyl-benzofuran-cobalaminX-RAY DIFFRACTION2.3676
139E5K|1|Aenv2 cobalamin riboswitch aptamer domain in complex with ethynyl-3-methylbenzene-cobalaminX-RAY DIFFRACTION1.976
149E5K|1|Benv2 cobalamin riboswitch aptamer domain in complex with ethynyl-3-methylbenzene-cobalaminX-RAY DIFFRACTION1.976
159E5M|1|Aenv2 cobalamin riboswitch aptamer domain in complex with ethynyl-4,1'-biphenyl-cobalaminX-RAY DIFFRACTION1.3976
169E5L|1|Aenv2 cobalamin riboswitch aptamer domain in complex with ethynyl-benzothiophene-cobalaminX-RAY DIFFRACTION1.4376
179E5S|1|Aenv2 cobalamin riboswitch aptamer domain in complex with ethynyl-4-(4-phenyl-2,3,4-triazole)-propanamine-cobalaminX-RAY DIFFRACTION2.5576
189E5T|1|Aenv2 cobalamin riboswitch aptamer domain in complex with ethynyl-4-(4-phenyl-2,3,4-triazole)-guanidinium-cobalaminX-RAY DIFFRACTION2.1976
199E5J|1|Aenv2 cobalamin riboswitch aptamer domain in complex with ethynyl-4-methoxybenzene-cobalaminX-RAY DIFFRACTION2.3576
209E5Q|1|Aenv2 cobalamin riboswitch aptamer domain in complex with ethynyl-N-phenylpropiolamide-cobalaminX-RAY DIFFRACTION1.3676
219E5O|1|Aenv2 cobalamin riboswitch aptamer domain in complex with ethynyl-pyrene-cobalaminX-RAY DIFFRACTION1.3676
229ELR|1|Benv2 cobalamin riboswitch aptamer domain in complex with ethynyl-2-naphthalenepropiolate-cobalaminX-RAY DIFFRACTION2.276
239E5Q|1|Benv2 cobalamin riboswitch aptamer domain in complex with ethynyl-N-phenylpropiolamide-cobalaminX-RAY DIFFRACTION1.3676
249E5M|1|Benv2 cobalamin riboswitch aptamer domain in complex with ethynyl-4,1'-biphenyl-cobalaminX-RAY DIFFRACTION1.3976
259E5L|1|Benv2 cobalamin riboswitch aptamer domain in complex with ethynyl-benzothiophene-cobalaminX-RAY DIFFRACTION1.4376
269E5O|1|Benv2 cobalamin riboswitch aptamer domain in complex with ethynyl-pyrene-cobalaminX-RAY DIFFRACTION1.3676
279E5P|1|Benv2 cobalamin riboswitch aptamer domain in complex with ethynyl-benzofuran-cobalaminX-RAY DIFFRACTION2.3676
289E5R|1|Benv2 cobalamin riboswitch aptamer domain in complex with ethynyl-N-ethylpropiolamide-cobalaminX-RAY DIFFRACTION2.3476
299E5K|1|Denv2 cobalamin riboswitch aptamer domain in complex with ethynyl-3-methylbenzene-cobalaminX-RAY DIFFRACTION1.976
309E5K|1|Cenv2 cobalamin riboswitch aptamer domain in complex with ethynyl-3-methylbenzene-cobalaminX-RAY DIFFRACTION1.976
319E5I|1|Benv2 cobalamin riboswitch aptamer domain in complex with ethynyl-4-nitrobenzene-cobalaminX-RAY DIFFRACTION1.4276
329E5T|1|Benv2 cobalamin riboswitch aptamer domain in complex with ethynyl-4-(4-phenyl-2,3,4-triazole)-guanidinium-cobalaminX-RAY DIFFRACTION2.1976
339E5J|1|Benv2 cobalamin riboswitch aptamer domain in complex with ethynyl-4-methoxybenzene-cobalaminX-RAY DIFFRACTION2.3576
349E5S|1|Benv2 cobalamin riboswitch aptamer domain in complex with ethynyl-4-(4-phenyl-2,3,4-triazole)-propanamine-cobalaminX-RAY DIFFRACTION2.5576
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
3737CN|1|Benv2 cobalamin riboswitch aptamer domain in complex with ethynyl-N-cyclopentylpropiolamide-cobalaminX-RAY DIFFRACTION2.9976

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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