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Geometric classification of RNA conformations. Potts model classification (Data clustering using model granular magnets M. Blatt, S. Weisman. E. Domany Neural Computation 1997). Validation. RNA Backbone conformations: Data file RR0033. Binning Base pairs interactions: Data file RR0082
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Geometric classification of RNA conformations Potts model classification (Data clustering using model granular magnets M. Blatt, S. Weisman. E. Domany Neural Computation 1997)
Validation • RNA Backbone conformations: Data file RR0033. Binning • Base pairs interactions: Data file RR0082 LW ROC annotation.
Up-Down CSs+CsS csS tHW(AU) t-loop tHS(AC) cWW tSH cWW(GU) cWW(UG) tHS(AG O2’) tHS(AG O4’) cWW(CU)
Up-Up cHW+cHS) tWS tSs(AG)+tsS(CA) thH tWW tsS tSW(GA) cHS
Base stacking • Four relatives geometries of the base stacking. • Trying to minimize the number of coordinates. • Data base RR0033, RR0153,RR0154. • Comparing with less accurate data of e-coli RR0228, RR0229.
Allstacking up-down T=.145 pyr-pur pyr-pyr pur-pyr
Up-down T=0.112 0S-1 (10,1) 0S-4 0S-2,3 (1,10)
Stacking group up-down Allstacking 0 E-coli 0
Stacking up-down E-coli t=0.112 All stacking t=.12
down-down stacking All stacking t=.0251 E-coli t =.0241
Down-up stacking All stacking t=0.055 E-coli t = .081