Summary information

PDB id
8u5p
Class
RNA
Method
X-ray (2.9 Å)
Summary
Structure of mango ii aptamer bound to t01-6a-b
Reference
Passalacqua LFM, Ferre-D'Amare AR: "Structure of Mango II aptamer bound to T01-6A-B."
Abstract
 
G4 notes
9 G-tetrads, 2 G4 helices, 3 G4 stems, 1 G4 coaxial stack, 2(-P-P-P), parallel(4+0), UUUU, coaxial interfaces: 5'/5'

Base-block schematics in six views

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List of 9 G-tetrads

 1 glyco-bond=---- sugar=-3-3 groove=---- planarity=0.297 type=bowl-2 nts=4 GGGG A.G10,A.G15,A.G20,A.G26
 2 glyco-bond=---- sugar=3333 groove=---- planarity=0.122 type=planar nts=4 GGGG A.G11,A.G16,A.G21,A.G27
 3 glyco-bond=---- sugar=---- groove=---- planarity=0.104 type=planar nts=4 GGGG A.G13,A.G29,A.G24,A.G18
 4 glyco-bond=---- sugar=-3-3 groove=---- planarity=0.320 type=other  nts=4 GGGG B.G10,B.G15,B.G20,B.G26
 5 glyco-bond=---- sugar=3333 groove=---- planarity=0.111 type=planar nts=4 GGGG B.G11,B.G16,B.G21,B.G27
 6 glyco-bond=---- sugar=---- groove=---- planarity=0.102 type=planar nts=4 GGGG B.G13,B.G29,B.G24,B.G18
 7 glyco-bond=---- sugar=-3-3 groove=---- planarity=0.317 type=bowl-2 nts=4 GGGG C.G10,C.G15,C.G20,C.G26
 8 glyco-bond=---- sugar=3333 groove=---- planarity=0.116 type=planar nts=4 GGGG C.G11,C.G16,C.G21,C.G27
 9 glyco-bond=---- sugar=---- groove=---- planarity=0.123 type=planar nts=4 GGGG C.G13,C.G29,C.G24,C.G18

List of 2 G4-helices

In DSSR, a G4-helix is defined by stacking interactions of G-tetrads, regardless of backbone connectivity, and may contain more than one G4-stem.

Helix#1, 3 G-tetrad layers, INTRA-molecular, with 1 stem

 1  glyco-bond=---- sugar=-3-3 groove=---- WC-->Major nts=4 GGGG A.G10,A.G15,A.G20,A.G26
 2  glyco-bond=---- sugar=3333 groove=---- WC-->Major nts=4 GGGG A.G11,A.G16,A.G21,A.G27
 3  glyco-bond=---- sugar=---- groove=---- Major-->WC nts=4 GGGG A.G13,A.G18,A.G24,A.G29
  step#1  pm(>>,forward)  area=7.90  rise=3.25 twist=34.1
  step#2  pp(><,inward)   area=28.24 rise=3.35 twist=27.5
  strand#1 RNA glyco-bond=--- sugar=-3- nts=3 GGG A.G10,A.G11,A.G13
  strand#2 RNA glyco-bond=--- sugar=33- nts=3 GGG A.G15,A.G16,A.G18
  strand#3 RNA glyco-bond=--- sugar=-3- nts=3 GGG A.G20,A.G21,A.G24
  strand#4 RNA glyco-bond=--- sugar=33- nts=3 GGG A.G26,A.G27,A.G29

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2 stacking diagrams
 1  glyco-bond=---- sugar=-3-3 groove=---- WC-->Major nts=4 GGGG A.G10,A.G15,A.G20,A.G26
2 glyco-bond=---- sugar=3333 groove=---- WC-->Major nts=4 GGGG A.G11,A.G16,A.G21,A.G27
step#1 pm(>>,forward) area=7.90 rise=3.25 twist=34.1

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 2  glyco-bond=---- sugar=3333 groove=---- WC-->Major nts=4 GGGG A.G11,A.G16,A.G21,A.G27
3 glyco-bond=---- sugar=---- groove=---- Major-->WC nts=4 GGGG A.G13,A.G18,A.G24,A.G29
step#2 pp(><,inward) area=28.24 rise=3.35 twist=27.5

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Helix#2, 6 G-tetrad layers, inter-molecular, with 2 stems

 1  glyco-bond=---- sugar=---- groove=---- WC-->Major nts=4 GGGG B.G13,B.G29,B.G24,B.G18
 2  glyco-bond=---- sugar=3333 groove=---- Major-->WC nts=4 GGGG B.G11,B.G27,B.G21,B.G16
 3* glyco-bond=---- sugar=-3-3 groove=---- Major-->WC nts=4 GGGG B.G10,B.G26,B.G20,B.G15
 4  glyco-bond=---- sugar=3-3- groove=---- WC-->Major nts=4 GGGG C.G15,C.G20,C.G26,C.G10
 5  glyco-bond=---- sugar=3333 groove=---- WC-->Major nts=4 GGGG C.G16,C.G21,C.G27,C.G11
 6  glyco-bond=---- sugar=---- groove=---- Major-->WC nts=4 GGGG C.G18,C.G24,C.G29,C.G13
  step#1  pp(><,inward)   area=27.74 rise=3.32 twist=27.4
  step#2  mp(<<,backward) area=7.69  rise=3.29 twist=34.7
  step#3  mm(<>,outward)  area=20.85 rise=3.65 twist=10.0
  step#4  pm(>>,forward)  area=8.54  rise=3.30 twist=34.5
  step#5  pp(><,inward)   area=27.39 rise=3.30 twist=27.6
  strand#1 RNA glyco-bond=------ sugar=-3-33- nts=6 GGGGGG B.G13,B.G11,B.G10,C.G15,C.G16,C.G18
  strand#2 RNA glyco-bond=------ sugar=-33-3- nts=6 GGGGGG B.G29,B.G27,B.G26,C.G20,C.G21,C.G24
  strand#3 RNA glyco-bond=------ sugar=-3-33- nts=6 GGGGGG B.G24,B.G21,B.G20,C.G26,C.G27,C.G29
  strand#4 RNA glyco-bond=------ sugar=-33-3- nts=6 GGGGGG B.G18,B.G16,B.G15,C.G10,C.G11,C.G13

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5 stacking diagrams
 1  glyco-bond=---- sugar=---- groove=---- WC-->Major nts=4 GGGG B.G13,B.G29,B.G24,B.G18
2 glyco-bond=---- sugar=3333 groove=---- Major-->WC nts=4 GGGG B.G11,B.G27,B.G21,B.G16
step#1 pp(><,inward) area=27.74 rise=3.32 twist=27.4

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 2  glyco-bond=---- sugar=3333 groove=---- Major-->WC nts=4 GGGG B.G11,B.G27,B.G21,B.G16
3* glyco-bond=---- sugar=-3-3 groove=---- Major-->WC nts=4 GGGG B.G10,B.G26,B.G20,B.G15
step#2 mp(<<,backward) area=7.69 rise=3.29 twist=34.7

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 3* glyco-bond=---- sugar=-3-3 groove=---- Major-->WC nts=4 GGGG B.G10,B.G26,B.G20,B.G15
4 glyco-bond=---- sugar=3-3- groove=---- WC-->Major nts=4 GGGG C.G15,C.G20,C.G26,C.G10
step#3 mm(<>,outward) area=20.85 rise=3.65 twist=10.0

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 4  glyco-bond=---- sugar=3-3- groove=---- WC-->Major nts=4 GGGG C.G15,C.G20,C.G26,C.G10
5 glyco-bond=---- sugar=3333 groove=---- WC-->Major nts=4 GGGG C.G16,C.G21,C.G27,C.G11
step#4 pm(>>,forward) area=8.54 rise=3.30 twist=34.5

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 5  glyco-bond=---- sugar=3333 groove=---- WC-->Major nts=4 GGGG C.G16,C.G21,C.G27,C.G11
6 glyco-bond=---- sugar=---- groove=---- Major-->WC nts=4 GGGG C.G18,C.G24,C.G29,C.G13
step#5 pp(><,inward) area=27.39 rise=3.30 twist=27.6

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List of 3 G4-stems

In DSSR, a G4-stem is defined as a G4-helix with backbone connectivity. Bulges are also allowed along each of the four strands.

Stem#1, 2 G-tetrad layers, 3 loops, INTRA-molecular, UUUU, parallel, 2(-P-P-P), parallel(4+0)

 1  glyco-bond=---- sugar=-3-3 groove=---- WC-->Major nts=4 GGGG A.G10,A.G15,A.G20,A.G26
 2  glyco-bond=---- sugar=3333 groove=---- WC-->Major nts=4 GGGG A.G11,A.G16,A.G21,A.G27
  step#1  pm(>>,forward)  area=7.90  rise=3.25 twist=34.1
  strand#1  U RNA glyco-bond=-- sugar=-3 nts=2 GG A.G10,A.G11
  strand#2  U RNA glyco-bond=-- sugar=33 nts=2 GG A.G15,A.G16
  strand#3  U RNA glyco-bond=-- sugar=-3 nts=2 GG A.G20,A.G21
  strand#4  U RNA glyco-bond=-- sugar=33 nts=2 GG A.G26,A.G27
  loop#1 type=propeller strands=[#1,#2] nts=3 AGA A.A12,A.G13,A.A14
  loop#2 type=propeller strands=[#2,#3] nts=3 AGA A.A17,A.G18,A.A19
  loop#3 type=propeller strands=[#3,#4] nts=4 AAGA A.A22,A.A23,A.G24,A.A25

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Stem#2, 2 G-tetrad layers, 3 loops, INTRA-molecular, UUUU, parallel, 2(-P-P-P), parallel(4+0)

 1  glyco-bond=---- sugar=-3-3 groove=---- WC-->Major nts=4 GGGG B.G10,B.G15,B.G20,B.G26
 2  glyco-bond=---- sugar=3333 groove=---- WC-->Major nts=4 GGGG B.G11,B.G16,B.G21,B.G27
  step#1  pm(>>,forward)  area=7.69  rise=3.29 twist=34.7
  strand#1  U RNA glyco-bond=-- sugar=-3 nts=2 GG B.G10,B.G11
  strand#2  U RNA glyco-bond=-- sugar=33 nts=2 GG B.G15,B.G16
  strand#3  U RNA glyco-bond=-- sugar=-3 nts=2 GG B.G20,B.G21
  strand#4  U RNA glyco-bond=-- sugar=33 nts=2 GG B.G26,B.G27
  loop#1 type=propeller strands=[#1,#2] nts=3 AGA B.A12,B.G13,B.A14
  loop#2 type=propeller strands=[#2,#3] nts=3 AGA B.A17,B.G18,B.A19
  loop#3 type=propeller strands=[#3,#4] nts=4 AAGA B.A22,B.A23,B.G24,B.A25

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Stem#3, 2 G-tetrad layers, 3 loops, INTRA-molecular, UUUU, parallel, 2(-P-P-P), parallel(4+0)

 1  glyco-bond=---- sugar=-3-3 groove=---- WC-->Major nts=4 GGGG C.G10,C.G15,C.G20,C.G26
 2  glyco-bond=---- sugar=3333 groove=---- WC-->Major nts=4 GGGG C.G11,C.G16,C.G21,C.G27
  step#1  pm(>>,forward)  area=8.54  rise=3.30 twist=34.5
  strand#1  U RNA glyco-bond=-- sugar=-3 nts=2 GG C.G10,C.G11
  strand#2  U RNA glyco-bond=-- sugar=33 nts=2 GG C.G15,C.G16
  strand#3  U RNA glyco-bond=-- sugar=-3 nts=2 GG C.G20,C.G21
  strand#4  U RNA glyco-bond=-- sugar=33 nts=2 GG C.G26,C.G27
  loop#1 type=propeller strands=[#1,#2] nts=3 AGA C.A12,C.G13,C.A14
  loop#2 type=propeller strands=[#2,#3] nts=3 AGA C.A17,C.G18,C.A19
  loop#3 type=propeller strands=[#3,#4] nts=4 AAGA C.A22,C.A23,C.G24,C.A25

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List of 1 G4 coaxial stack

 1 G4 helix#2 contains 2 G4 stems: [#2,#3]  [5'/5']