#
data_comp_list
loop_
_chem_comp.id
_chem_comp.three_letter_code
_chem_comp.name
_chem_comp.group
_chem_comp.number_atoms_all
_chem_comp.number_atoms_nh
_chem_comp.desc_level
Cr       C   'Cytidine                            ' RNA                31  20 .
#
data_comp_Cr
#
loop_
_chem_comp_atom.comp_id
_chem_comp_atom.atom_id
_chem_comp_atom.type_symbol
_chem_comp_atom.type_energy
_chem_comp_atom.partial_charge
 Cr            P      P    P         0.714
 Cr            O1P    O    OP       -0.340
 Cr            O2P    O    OP       -0.340
 Cr            O5*    O    OC2      -0.267
 Cr            C5*    C    CH2       0.066
 Cr            H5*1   H    HCH2      0.005
 Cr            H5*2   H    HCH2      0.005
 Cr            C4*    C    CH1       0.084
 Cr            H4*    H    HCH1      0.010
 Cr            O4*    O    O2       -0.193
 Cr            C1*    C    CH1       0.245
 Cr            H1*    H    HCH1      0.005
 Cr            N1     N    NR6      -0.286
 Cr            C2     C    CR6       0.469
 Cr            O2     O    O        -0.259
 Cr            N3     N    NRD6     -0.395
 Cr            C4     C    CR6       0.315
 Cr            N4     N    NH2      -0.371
 Cr            H41    H    HNH2      0.168
 Cr            H42    H    HNH2      0.168
 Cr            C5     C    CR16     -0.135
 Cr            H5     H    HCR6      0.020
 Cr            C6     C    CR16      0.168
 Cr            H6     H    HCR6      0.020
 Cr            C2*    C    CH1      -0.043
 Cr            H2*    H    HCH1      0.010
 Cr            O2*    O    OH1      -0.256
 Cr            HO2*   H    HOH1      0.010
 Cr            C3*    C    CH1       0.081
 Cr            H3*    H    HCH1      0.005
 Cr            O3*    O    OC2      -0.267
loop_
_chem_comp_tree.comp_id
_chem_comp_tree.atom_id
_chem_comp_tree.atom_back
_chem_comp_tree.atom_forward
_chem_comp_tree.connect_type
 Cr       P      n/a    O5*    START
 Cr       O1P    P      .      .
 Cr       O2P    P      .      .
 Cr       O5*    P      C5*    .
 Cr       C5*    O5*    C4*    .
 Cr       H5*1   C5*    .      .
 Cr       H5*2   C5*    .      .
 Cr       C4*    C5*    C3*    .
 Cr       H4*    C4*    .      .
 Cr       O4*    C4*    C1*    .
 Cr       C1*    O4*    C2*    .
 Cr       H1*    C1*    .      .
 Cr       N1     C1*    C2     .
 Cr       C2     N1     N3     .
 Cr       O2     C2     .      .
 Cr       N3     C2     C4     .
 Cr       C4     N3     C5     .
 Cr       N4     C4     H42    .
 Cr       H41    N4     .      .
 Cr       H42    N4     .      .
 Cr       C5     C4     C6     .
 Cr       H5     C5     .      .
 Cr       C6     C5     H6     .
 Cr       H6     C6     .      .
 Cr       C2*    C1*    O2*    .
 Cr       H2*    C2*    .      .
 Cr       O2*    C2*    HO2*   .
 Cr       HO2*   O2*    .      .
 Cr       C3*    C4*    O3*    .
 Cr       H3*    C3*    .      .
 Cr       O3*    C3*    .      END
 Cr       C2*    C3*    .    ADD
 Cr       C6     N1     .    ADD
loop_
_chem_comp_bond.comp_id
_chem_comp_bond.atom_id_1
_chem_comp_bond.atom_id_2
_chem_comp_bond.type
_chem_comp_bond.value_dist
_chem_comp_bond.value_dist_esd
 Cr       P      O5*       coval       1.600    0.020
 Cr       P      O1P       coval       1.480    0.020
 Cr       P      O2P       coval       1.480    0.020
 Cr       C1*    C2*       coval       1.525    0.020
 Cr       C2*    C3*       coval       1.525    0.020
 Cr       C3*    C4*       coval       1.523    0.020
 Cr       C3*    O3*       coval       1.422    0.030
 Cr       C4*    C5*       coval       1.518    0.020
 Cr       C4*    O4*       coval       1.450    0.020
 Cr       O4*    C1*       coval       1.414    0.020
 Cr       C5*    O5*       coval       1.423    0.030
 Cr       C2*    O2*       coval       1.414    0.020
 Cr       C5*    H5*1      coval       0.980    0.020
 Cr       C5*    H5*2      coval       0.980    0.020
 Cr       C4*    H4*       coval       0.980    0.020
 Cr       C1*    H1*       coval       0.980    0.020
 Cr       C2*    H2*       coval       0.980    0.020
 Cr       O2*    HO2*      coval       0.980    0.020
 Cr       C3*    H3*       coval       0.980    0.020
 Cr       N1     C2        coval       1.399    0.020
 Cr       C2     N3        coval       1.356    0.020
 Cr       N3     C4        coval       1.334    0.020
 Cr       C4     C5        coval       1.426    0.020
 Cr       C5     C6        coval       1.337    0.020
 Cr       C6     N1        coval       1.364    0.020
 Cr       C2     O2        coval       1.237    0.020
 Cr       C4     N4        coval       1.337    0.020
 Cr       N1     C1*       coval       1.490    0.030
 Cr       N4     H41       coval       0.980    0.020
 Cr       N4     H42       coval       0.980    0.020
 Cr       C5     H5        coval       0.980    0.020
 Cr       C6     H6        coval       0.980    0.020
loop_
_chem_comp_angle.comp_id
_chem_comp_angle.atom_id_1
_chem_comp_angle.atom_id_2
_chem_comp_angle.atom_id_3
_chem_comp_angle.value_angle
_chem_comp_angle.value_angle_esd
 Cr       C6     N1     C2      120.600    3.000
 Cr       C1*    N1     C2      119.700    3.000
 Cr       C1*    N1     C6      119.700    3.000
 Cr       N1     C2     N3      118.900    3.000
 Cr       C2     N3     C4      120.000    3.000
 Cr       N3     C4     C5      121.800    3.000
 Cr       C4     C5     C6      117.600    3.000
 Cr       C5     C6     N1      121.000    3.000
 Cr       N1     C2     O2      119.200    3.000
 Cr       N3     C2     O2      121.900    3.000
 Cr       N3     C4     N4      117.900    3.000
 Cr       C5     C4     N4      120.300    3.000
 Cr       N1     C1*    O4*     108.400    3.000
 Cr       N1     C1*    C2*     113.500    3.000
 Cr       C4     N4     H41     120.000    3.000
 Cr       C4     N4     H42     120.000    3.000
 Cr       H41    N4     H42     120.000    3.000
 Cr       C4     C5     H5      121.200    3.000
 Cr       C6     C5     H5      121.200    3.000
 Cr       C5     C6     H6      119.500    3.000
 Cr       N1     C6     H6      119.500    3.000
 Cr       O4*    C1*    C2*     106.400    3.000
 Cr       C1*    C2*    C3*     101.600    3.000
 Cr       C2*    C3*    C4*     102.400    3.000
 Cr       C2*    C3*    O3*     111.500    3.000
 Cr       O3*    C3*    C4*     110.000    3.000
 Cr       C3*    C4*    C5*     114.900    3.000
 Cr       C3*    C4*    O4*     105.400    3.000
 Cr       O4*    C4*    C5*     109.400    3.000
 Cr       C4*    O4*    C1*     109.700    3.000
 Cr       C4*    C5*    O5*     110.800    3.000
 Cr       C5*    O5*    P       120.000    3.000
 Cr       O5*    P      O1P     109.000    3.000
 Cr       O1P    P      O2P     120.000    3.000
 Cr       O5*    P      O2P     108.000    3.000
 Cr       C1*    C2*    O2*     110.200    3.000
 Cr       O2*    C2*    C3*     112.400    3.000
 Cr       O5*    C5*    H5*1    109.000    3.000
 Cr       O5*    C5*    H5*2    109.000    3.000
 Cr       C4*    C5*    H5*1    109.000    3.000
 Cr       C4*    C5*    H5*2    109.000    3.000
 Cr       H5*1   C5*    H5*2    109.000    3.000
 Cr       C5*    C4*    H4*     109.000    3.000
 Cr       O4*    C4*    H4*     109.000    3.000
 Cr       C3*    C4*    H4*     109.000    3.000
 Cr       O4*    C1*    H1*     109.000    3.000
 Cr       C2*    C1*    H1*     109.000    3.000
 Cr       N1     C1*    H1*     109.000    3.000
 Cr       C1*    C2*    H2*     109.000    3.000
 Cr       O2*    C2*    H2*     109.000    3.000
 Cr       C2*    O2*    HO2*    109.000    3.000
 Cr       C4*    C3*    H3*     109.000    3.000
 Cr       C2*    C3*    H3*     109.000    3.000
 Cr       C3*    C2*    H2*     109.000    3.000
 Cr       O3*    C3*    H3*     109.000    3.000
loop_
_chem_comp_tor.comp_id
_chem_comp_tor.id
_chem_comp_tor.atom_id_1
_chem_comp_tor.atom_id_2
_chem_comp_tor.atom_id_3
_chem_comp_tor.atom_id_4
_chem_comp_tor.value_angle
_chem_comp_tor.value_angle_esd
_chem_comp_tor.period
 Cr       beta     P      O5*    C5*    C4*      170.000   25.000   3
 Cr       gamma    O5*    C5*    C4*    C3*       55.000   20.000   3
 Cr       delta    C5*    C4*    C3*    O3*       88.000   30.000   3
 Cr       nu0      C4*    O4*    C1*    C2*       13.000   40.000   3
 Cr       nu1      O4*    C1*    C2*    C3*      -33.000   40.000   3
 Cr       nu4      C5*    C4*    O4*    C1*      137.000   40.000   3
 Cr       chi      O4*    C1*    N1     C2        30.000   40.000   2
 Cr       CONST_01 C1*    N1     C2     N3       180.000    0.000   0
 Cr       CONST_02 N1     C2     N3     C4         0.000    0.000   0
 Cr       CONST_03 C2     N3     C4     C5         0.000    0.000   0
 Cr       hh1      N3     C4     N4     H42        0.000   40.000   2
 Cr       CONST_04 N3     C4     C5     C6         0.000    0.000   0
 Cr       CONST_05 C4     C5     C6     N1         0.000    0.000   0
 Cr       hh2      C1*    C2*    O2*    HO2*       0.000   40.000   2
 Cr       dih_1    C1*    C2*    C3*    C4*       37.053   10.000   1
 Cr       dih_2    C5*    C4*    C3*    C2*     -155.590   10.000   1
 Cr       dih_3    C1*    O4*    C4*    C5*      144.260   10.000   1
loop_
_chem_comp_chir.comp_id
_chem_comp_chir.id
_chem_comp_chir.atom_id_centre
_chem_comp_chir.atom_id_1
_chem_comp_chir.atom_id_2
_chem_comp_chir.atom_id_3
_chem_comp_chir.volume_sign
 Cr       chir_01  C3*    C2*    O3*    C4*       positiv
 Cr       chir_02  C4*    C3*    O4*    C5*       positiv
 Cr       chir_03  C1*    N1     O4*    C2*       positiv
 Cr       chir_04  C2*    C1*    O2*    C3*       positiv
loop_
_chem_comp_plane_atom.comp_id
_chem_comp_plane_atom.plane_id
_chem_comp_plane_atom.atom_id
_chem_comp_plane_atom.dist_esd
 Cr       plan      N1        0.020
 Cr       plan      C2        0.020
 Cr       plan      O2        0.020
 Cr       plan      N3        0.020
 Cr       plan      C4        0.020
 Cr       plan      N4        0.020
 Cr       plan      C5        0.020
 Cr       plan      C6        0.020
 Cr       plan      C1*       0.020