NMR Restraints Grid

Result table
 (Save to zip file containing files for each block)

image mrblock_id pdb_id cing stage position program type
27382 2rlu cing 1-original 4 XPLOR/CNS dihedral angle



!this is changed to see if it will work
!Model dihedral angles for A-form helix
!for tighter restraints use 20 degree variability instead of 45
!for looser restraints use 45 degree variability instead of 20
!alpha
! assign (resid  n-1  and name O3' ) (resid  n  and name P )
!        (resid  n  and name O5') (resid  n  and name C5' )   1.0  -62.0 30.0 2
!beta
!assign (resid  n  and name P ) (resid  n  and name O5' )
!        (resid  n  and name C5') (resid  n  and name C4' )   1.0  -180.0 30.0 2
!gamma
!assign (resid  n  and name O5' ) (resid  n  and name C5' )
!        (resid  n  and name C4') (resid  n  and name C3' )   1.0  47.0 30.0 2
!epsilon
!assign (resid  n  and name C4' ) (resid  n  and name C3' )
!        (resid  n  and name O3') (resid  n+1  and name P )   1.0  -152.0 30.0 2
!zeta
!assign (resid  n  and name C3' ) (resid  n  and name O3' )
!       (resid  n+1  and name P) (resid  n+1  and name O5' )   1.0  -74.0 30.0 2
!
!  Pucker is defined with ribose torsion angles nu1 and nu2.
!  nu1 = O4'-C1'-C2'-C3'
!  nu2 = C1'-C2'-C3'-C4'
! "N" C3' endo:
!  nu1 = -20 +/- 10
!  nu2 = +35 +/-  5
! "S" C2' endo:
!  nu1 = +35 +/-  5
!  nu2 = -35 +/-  5
! See Saenger page 20.

assign (resid  2 and name O4')
       (resid  2 and name C1')
       (resid  2 and name C2')
       (resid  2 and name C3') 1.0 -20.0 10.0 2
assign (resid  2 and name C1')
       (resid  2 and name C2')
       (resid  2 and name C3')
       (resid  2 and name C4') 1.0  35.0 5.0 2

assign (resid  3 and name O4')
       (resid  3 and name C1')
       (resid  3 and name C2')
       (resid  3 and name C3') 1.0 -20.0 10.0 2
assign (resid  3 and name C1')
       (resid  3 and name C2')
       (resid  3 and name C3')
       (resid  3 and name C4') 1.0  35.0 5.0 2

assign (resid  4 and name O4')
       (resid  4 and name C1')
       (resid  4 and name C2')
       (resid  4 and name C3') 1.0 -20.0 10.0 2
assign (resid  4 and name C1')
       (resid  4 and name C2')
       (resid  4 and name C3')
       (resid  4 and name C4') 1.0  35.0 5.0 2

assign (resid  5 and name O4')
       (resid  5 and name C1')
       (resid  5 and name C2')
       (resid  5 and name C3') 1.0 -20.0 10.0 2
assign (resid  5 and name C1')
       (resid  5 and name C2')
       (resid  5 and name C3')
       (resid  5 and name C4') 1.0  35.0 5.0 2

assign (resid  6 and name O4')
       (resid  6 and name C1')
       (resid  6 and name C2')
       (resid  6 and name C3') 1.0 -20.0 10.0 2
assign (resid  6 and name C1')
       (resid  6 and name C2')
       (resid  6 and name C3')
       (resid  6 and name C4') 1.0  35.0 5.0 2

assign (resid  7 and name O4')
       (resid  7 and name C1')
       (resid  7 and name C2')
       (resid  7 and name C3') 1.0 -20.0 10.0 2
assign (resid  7 and name C1')
       (resid  7 and name C2')
       (resid  7 and name C3')
       (resid  7 and name C4') 1.0  35.0 5.0 2

assign (resid  8 and name O4')
       (resid  8 and name C1')
       (resid  8 and name C2')
       (resid  8 and name C3') 1.0 -20.0 10.0 2
assign (resid  8 and name C1')
       (resid  8 and name C2')
       (resid  8 and name C3')
       (resid  8 and name C4') 1.0  35.0 5.0 2

!G9  C2' endo
 
assign (resid  9 and name O4')
       (resid  9 and name C1')
       (resid  9 and name C2')
       (resid  9 and name C3') 1.0   35.0 10.0 2
assign (resid  9 and name C1')
       (resid  9 and name C2')
       (resid  9 and name C3')
       (resid  9 and name C4') 1.0  -35.0 10.0 2

assign (resid  13 and name O4')
       (resid  13 and name C1')
       (resid  13 and name C2')
       (resid  13 and name C3') 1.0 -20.0 10.0 2
assign (resid  13 and name C1')
       (resid  13 and name C2')
       (resid  13 and name C3')
       (resid  13 and name C4') 1.0  35.0 5.0 2

assign (resid  14 and name O4')
       (resid  14 and name C1')
       (resid  14 and name C2')
       (resid  14 and name C3') 1.0 -20.0 10.0 2
assign (resid  14 and name C1')
       (resid  14 and name C2')
       (resid  14 and name C3')
       (resid  14 and name C4') 1.0  35.0 5.0 2

assign (resid  15 and name O4')
       (resid  15 and name C1')
       (resid  15 and name C2')
       (resid  15 and name C3') 1.0 -20.0 10.0 2
assign (resid  15 and name C1')
       (resid  15 and name C2')
       (resid  15 and name C3')
       (resid  15 and name C4') 1.0  35.0 5.0 2

assign (resid  16 and name O4')
       (resid  16 and name C1')
       (resid  16 and name C2')
       (resid  16 and name C3') 1.0 -20.0 10.0 2
assign (resid  16 and name C1')
       (resid  16 and name C2')
       (resid  16 and name C3')
       (resid  16 and name C4') 1.0  35.0 5.0 2

assign (resid  17 and name O4')
       (resid  17 and name C1')
       (resid  17 and name C2')
       (resid  17 and name C3') 1.0 -20.0 10.0 2
assign (resid  17 and name C1')
       (resid  17 and name C2')
       (resid  17 and name C3')
       (resid  17 and name C4') 1.0  35.0 5.0 2

assign (resid  18 and name O4')
       (resid  18 and name C1')
       (resid  18 and name C2')
       (resid  18 and name C3') 1.0 -20.0 10.0 2
assign (resid  18 and name C1')
       (resid  18 and name C2')
       (resid  18 and name C3')
       (resid  18 and name C4') 1.0  35.0 5.0 2

!  Torsion angle restraints for the xhi torsion angle 
!
!  Xhi is defined as follows...
!               Purines     = O4'-C1'-N9-C4
!               Pyrimidines = O4'-C1'-N1-C2
! Anti:
!  Xhi = 180.0 +/- 90.0
!   including high-anti and excluding high-syn:
!  Xhi = -150.0 +/- 90.0
! Syn:
!  Xhi =   0.0 +/- 90.0
!       See Saenger page 22.
!
!  There is one syn bases in the SECIS-MT.
!    a large H1'-Haro nOes was observed, and small H3'-Haro
!     (or H2'-Haro) were observed for G9 nucleotides.
!
assign (resid  9 and name O4') (resid  9 and name C1')
       (resid  9 and name N9 )
       (resid  9 and name C4 ) 1.0 60.0 30.0 2


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