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_4303485
_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         'C9 H18 Cu N9 O4 +, N O3 -, 0.5 H2 O'
_chemical_formula_sum            'C9 H19 Cu N10 O7.5'
_chemical_formula_weight         450.88
_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                115.481(2)
_cell_angle_beta                 108.755(2)
_cell_angle_gamma                95.182(2)
_cell_formula_units_Z            2
_cell_length_a                   8.7250(5)
_cell_length_b                   10.4360(6)
_cell_length_c                   11.2345(6)
_cell_measurement_reflns_used    6426
_cell_measurement_temperature    423(2)
_cell_measurement_theta_max      28.70
_cell_measurement_theta_min      2.19
_cell_volume                     842.55(9)
_computing_cell_refinement       'Bruker SAINT'
_computing_data_collection       'Bruker SMART'
_computing_data_reduction        'Bruker SAINT'
_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      423(2)
_diffrn_measured_fraction_theta_full 0.985
_diffrn_measured_fraction_theta_max 0.899
_diffrn_measurement_device_type  'Bruker SMART 1K CCD diffractometer'
_diffrn_measurement_method       'thin-slice \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  0.0182
_diffrn_reflns_av_sigmaI/netI    0.0267
_diffrn_reflns_limit_h_max       11
_diffrn_reflns_limit_h_min       -11
_diffrn_reflns_limit_k_max       14
_diffrn_reflns_limit_k_min       -14
_diffrn_reflns_limit_l_max       14
_diffrn_reflns_limit_l_min       -15
_diffrn_reflns_number            7504
_diffrn_reflns_theta_full        26.00
_diffrn_reflns_theta_max         28.70
_diffrn_reflns_theta_min         2.19
_diffrn_standards_number         0
_exptl_absorpt_coefficient_mu    1.361
_exptl_absorpt_correction_T_max  0.935
_exptl_absorpt_correction_T_min  0.550
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   SADABS
_exptl_crystal_colour            blue-green
_exptl_crystal_density_diffrn    1.777
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       plate
_exptl_crystal_F_000             464
_exptl_crystal_size_max          0.50
_exptl_crystal_size_mid          0.30
_exptl_crystal_size_min          0.05
_refine_diff_density_max         0.433
_refine_diff_density_min         -0.505
_refine_diff_density_rms         0.067
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.053
_refine_ls_hydrogen_treatment    mixed
_refine_ls_matrix_type           full
_refine_ls_number_parameters     289
_refine_ls_number_reflns         3912
_refine_ls_number_restraints     21
_refine_ls_restrained_S_all      1.050
_refine_ls_R_factor_all          0.0335
_refine_ls_R_factor_gt           0.0290
_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^)+(0.0247P)^2^+1.0205P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0695
_refine_ls_wR_factor_ref         0.0717
_reflns_number_gt                3562
_reflns_number_total             3912
_reflns_threshold_expression     I>2\s(I)
_cod_data_source_file            ic9013448_si_001_4.cif
_cod_data_source_block           ah85_compound_3
_cod_original_cell_volume        842.55(8)
_cod_original_formula_sum        'C9 H19 Cu N10 O7.50'
_cod_database_code               4303485