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Abstract ,[object Object],[object Object],[object Object],[object Object],[object Object]
The RNA Backbone ,[object Object],[object Object],[object Object],δ -1 δ ε ζ α β δ γ suite
Understanding Conformers ,[object Object],[object Object]
Methods ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]
Calculating a Dihedral Angle ,[object Object],[object Object],[object Object],[object Object],F c  F 1  B c  B 1  u F u B u F u B θ
Calculating a Dihedral Angle ,[object Object],[object Object],[object Object],[object Object],1 Rainey Dihedral Calculator
                    Unique Conformer Angles     δ-1 ε ζ α β γ δ     84 -165 -140 -110 -175 -65 84     147 -150 -100 -85 -170 -60 147     -140 -75 -65 -160 55     -125 -70 65 -135 170     -120 45 70 80 175     -115 60 155 110 180     -100 85 165 135     175 170 150     180 165     170     175     180                     145,152 Conformer Possibilities
Data Analysis ,[object Object],[object Object],[object Object]
Program Results… DEGREE RANGE TABLE BASE No.  PASS  CONFORMER  RANGE  FAILED  δ -1  ε   ζ   α   β   γ   δ 3  x  17  9  2  6  -5  3  9  -1  4 4  x  17  17    4  6  -8  17  14  3  4 5  x  17  9    4  -9  1  -1  2  7  3 6  x  1  9  3  -9  -7  2  1  3  2 7  x  1  21  2  -21  -4  -14  14  1  4 8  x  17  8    4  1  1  5  5  6  8 9  x  1  8  8  -3  -6  -2  5  -4  6 10  x  17  8  6  3  5  8  2  -4  -4 11  x  39  32  -4  18  -15  32  -4  -6  29 12  x  5  30  29  -9  4  30  27  12  -12  13  x  1  12  -12  -1  -9  10  9  2  0 14  x  1  16  0  16  7  -1  1  6  4 15  x  1  9  2  -5  -8  -9  2  -2  2 16  x  17  12  2  7  -1  4  12  -1  3  17  x  1  7  3  -5  -2  -2  7  -4  -2  18  35  x  86  -151  -89  -151  129  60  113  19  35  x  113  -113  -44  -110  -137  67  93 20  35  x  93  62  -80  139  177  161  88 21  x  13  28  -4  -12  14  28  12  -1  -2 22  x  17  5  -2  -1  5  -1  -2  2  1 23  x  1  6  1  -5  -3  -6  1  0  4 24  x  1  10  4  -5  -5  2  10  -6  2  25  x  1  25  2  17  -20  22  18  2  -25 26  x  15  34  -25  -26  27  -34  28  12  2 27  x  17  7  2  -4  7  -3  -4  5  2 28  x  17  6  2  4  4  -4  -2  6  4 29  x  1  8  4  2  -7  8  8  7  4 30  x  17  7  4  -2  7  1  -2  7  3 31  x  17  10  3  -1  2  2  1  10  2 32  x  1  12  2  -2  -8  7  2  12  6 33  x  14  20  6  -20  8  1  3  3  0 34  x  1  16  0  16  -16  10  11  7  5 35  x  17  8  5  7  7  6  6  -1  8 36  x  1  26  8  -26  -11  -3  6  1  0
General Results Several Angles Outside of Published Range Novel Conformations 1 or 2 Angles Outside of Range Range Around 10 Degrees Most common conformers 1, 17 for  α - helices
A Closer Look ,[object Object],[object Object],[object Object]
Target Motifs Unpaired Base Bulges Stem Loop Turn S-Turn
Conclusions ,[object Object],[object Object]
Future Objectives ,[object Object],[object Object],[object Object]
Acknowledgments ,[object Object],[object Object],[object Object],[object Object],References ,[object Object],[object Object]

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UMBC Research Day Presentation

  • 1.
  • 2.
  • 3.
  • 4.
  • 5.
  • 6.
  • 7.                     Unique Conformer Angles     δ-1 ε ζ α β γ δ     84 -165 -140 -110 -175 -65 84     147 -150 -100 -85 -170 -60 147     -140 -75 -65 -160 55     -125 -70 65 -135 170     -120 45 70 80 175     -115 60 155 110 180     -100 85 165 135     175 170 150     180 165     170     175     180                     145,152 Conformer Possibilities
  • 8.
  • 9. Program Results… DEGREE RANGE TABLE BASE No. PASS CONFORMER RANGE FAILED δ -1 ε ζ α β γ δ 3 x 17 9 2 6 -5 3 9 -1 4 4 x 17 17 4 6 -8 17 14 3 4 5 x 17 9 4 -9 1 -1 2 7 3 6 x 1 9 3 -9 -7 2 1 3 2 7 x 1 21 2 -21 -4 -14 14 1 4 8 x 17 8 4 1 1 5 5 6 8 9 x 1 8 8 -3 -6 -2 5 -4 6 10 x 17 8 6 3 5 8 2 -4 -4 11 x 39 32 -4 18 -15 32 -4 -6 29 12 x 5 30 29 -9 4 30 27 12 -12 13 x 1 12 -12 -1 -9 10 9 2 0 14 x 1 16 0 16 7 -1 1 6 4 15 x 1 9 2 -5 -8 -9 2 -2 2 16 x 17 12 2 7 -1 4 12 -1 3 17 x 1 7 3 -5 -2 -2 7 -4 -2 18 35 x 86 -151 -89 -151 129 60 113 19 35 x 113 -113 -44 -110 -137 67 93 20 35 x 93 62 -80 139 177 161 88 21 x 13 28 -4 -12 14 28 12 -1 -2 22 x 17 5 -2 -1 5 -1 -2 2 1 23 x 1 6 1 -5 -3 -6 1 0 4 24 x 1 10 4 -5 -5 2 10 -6 2 25 x 1 25 2 17 -20 22 18 2 -25 26 x 15 34 -25 -26 27 -34 28 12 2 27 x 17 7 2 -4 7 -3 -4 5 2 28 x 17 6 2 4 4 -4 -2 6 4 29 x 1 8 4 2 -7 8 8 7 4 30 x 17 7 4 -2 7 1 -2 7 3 31 x 17 10 3 -1 2 2 1 10 2 32 x 1 12 2 -2 -8 7 2 12 6 33 x 14 20 6 -20 8 1 3 3 0 34 x 1 16 0 16 -16 10 11 7 5 35 x 17 8 5 7 7 6 6 -1 8 36 x 1 26 8 -26 -11 -3 6 1 0
  • 10. General Results Several Angles Outside of Published Range Novel Conformations 1 or 2 Angles Outside of Range Range Around 10 Degrees Most common conformers 1, 17 for α - helices
  • 11.
  • 12. Target Motifs Unpaired Base Bulges Stem Loop Turn S-Turn
  • 13.
  • 14.
  • 15.

Editor's Notes

  1. - suite going from base to base
  2. - Add what xc, yc, and zc are from FcBc vector - Rezeroed at Bc
  3. - common conformers are 1 and 17 - the range of the highest degree usually falls between plus or minus 15 degrees - those that are higher may have one angle out of range - some have several causing us to question validity - those that failed commonly appear near complex sites