Probing Metal-Ion Purine Interactions at DNA Minor-Groove Sites
Miguel A. Galindo; David Amantia; Alberto Martinez Martinez; William Clegg; Ross W. Harrington; Virtudes Moreno Martinez; Andrew Houlton; Inorganic Chemistry 48 (2009) 10295–10303; doi:10.1021/ic9013448

data_4303487
_publ_section_title
;
Probing Metal-Ion Purine Interactions at DNA Minor-Groove Sites
;
_journal_name_full               'Inorganic Chemistry'
_journal_page_first              10295
_journal_page_last               10303
_journal_paper_doi               10.1021/ic9013448
_journal_volume                  48
_journal_year                    2009
_chemical_formula_moiety         'C20 H30 Ag N10 S4 +, C F3 O3 S -, H2 O'
_chemical_formula_sum            'C21 H32 Ag F3 N10 O4 S5'
_chemical_formula_weight         813.74
_chemical_name_systematic
;
 ?
;
_space_group_IT_number           2
_symmetry_cell_setting           triclinic
_symmetry_space_group_name_Hall  '-P 1'
_symmetry_space_group_name_H-M   'P -1'
_atom_sites_solution_hydrogens   geom
_atom_sites_solution_primary     direct
_atom_sites_solution_secondary   difmap
_audit_creation_method           SHELXL-97
_cell_angle_alpha                90.248(2)
_cell_angle_beta                 91.651(2)
_cell_angle_gamma                92.648(2)
_cell_formula_units_Z            2
_cell_length_a                   8.2489(2)
_cell_length_b                   10.1312(2)
_cell_length_c                   18.6353(6)
_cell_measurement_reflns_used    7087
_cell_measurement_temperature    120(2)
_cell_measurement_theta_max      27.5
_cell_measurement_theta_min      2.91
_cell_volume                     1555.04(7)
_computing_cell_refinement       'HKL DENZO'
_computing_data_collection       'Nonius COLLECT'
_computing_data_reduction        'HKL DENZO and SCALEPACK'
_computing_molecular_graphics    'Bruker SHELXTL'
_computing_publication_material  'Bruker SHELXTL and local programs'
_computing_structure_refinement  'Bruker SHELXTL'
_computing_structure_solution    'Bruker SHELXTL'
_diffrn_ambient_temperature      120(2)
_diffrn_measured_fraction_theta_full 0.998
_diffrn_measured_fraction_theta_max 0.998
_diffrn_measurement_device_type  'Nonius KappaCCD diffractometer'
_diffrn_measurement_method       '\f and \w scans'
_diffrn_radiation_monochromator  graphite
_diffrn_radiation_source         'sealed tube'
_diffrn_radiation_type           MoK\a
_diffrn_radiation_wavelength     0.71073
_diffrn_reflns_av_R_equivalents  0.1896
_diffrn_reflns_av_sigmaI/netI    0.0949
_diffrn_reflns_limit_h_max       9
_diffrn_reflns_limit_h_min       -9
_diffrn_reflns_limit_k_max       12
_diffrn_reflns_limit_k_min       -12
_diffrn_reflns_limit_l_max       22
_diffrn_reflns_limit_l_min       -22
_diffrn_reflns_number            28615
_diffrn_reflns_theta_full        25.00
_diffrn_reflns_theta_max         25.00
_diffrn_reflns_theta_min         2.96
_diffrn_standards_number         0
_exptl_absorpt_coefficient_mu    1.050
_exptl_absorpt_correction_T_max  0.980
_exptl_absorpt_correction_T_min  0.885
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   SADABS
_exptl_crystal_colour            colourless
_exptl_crystal_density_diffrn    1.738
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       shard
_exptl_crystal_F_000             828
_exptl_crystal_size_max          0.12
_exptl_crystal_size_mid          0.04
_exptl_crystal_size_min          0.02
_refine_diff_density_max         1.395
_refine_diff_density_min         -1.693
_refine_diff_density_rms         0.162
_refine_ls_extinction_coef       0.0061(13)
_refine_ls_extinction_expression Fc^*^=kFc[1+0.001xFc^2^\l^3^/sin(2\q)]^-1/4^
_refine_ls_extinction_method     SHELXL
_refine_ls_goodness_of_fit_ref   1.033
_refine_ls_hydrogen_treatment    mixed
_refine_ls_matrix_type           full
_refine_ls_number_parameters     424
_refine_ls_number_reflns         5457
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.033
_refine_ls_R_factor_all          0.0753
_refine_ls_R_factor_gt           0.0601
_refine_ls_shift/su_max          0.001
_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'calc w=1/[\s^2^(Fo^2^)+(0.0907P)^2^+1.8328P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1525
_refine_ls_wR_factor_ref         0.1655
_reflns_number_gt                4432
_reflns_number_total             5457
_reflns_threshold_expression     I>2\s(I)
_cod_data_source_file            ic9013448_si_001_6.cif
_cod_data_source_block           ah96_compound_5
_cod_database_code               4303487