Conjugation of Organoruthenium(II) 3-(1H-Benzimidazol-2-yl)pyrazolo[3,4-b]pyridines and Indolo[3,2-d]benzazepines to Recombinant Human Serum Albumin: a Strategy To Enhance Cytotoxicity in Cancer Cells
Iryna N. Stepanenko; Angela Casini; Fabio Edafe; Maria S. Novak; Vladimir B. Arion; Paul J. Dyson; Michael A. Jakupec; Bernhard K. Keppler; Inorganic Chemistry 50 (2011) 12669–12679; doi:10.1021/ic201801e

data_4327143
_publ_section_title
;
 Conjugation of Organoruthenium(II)
 3-(1H-Benzimidazol-2-yl)pyrazolo[3,4-b]pyridines and
 Indolo[3,2-d]benzazepines to Recombinant Human Serum Albumin: a Strategy
 To Enhance Cytotoxicity in Cancer Cells
;
_journal_name_full               'Inorganic Chemistry'
_journal_page_first              12669
_journal_page_last               12679
_journal_paper_doi               10.1021/ic201801e
_journal_volume                  50
_journal_year                    2011
_chemical_formula_moiety         'C13 H8 Br N5, C2 H6 O S'
_chemical_formula_sum            'C15 H14 Br N5 O S'
_chemical_formula_weight         392.28
_chemical_name_systematic
; 
3-(1H-benzimidazol-2-yl)-5-bromo-1H-pyrazolo[3,4-b]pyridine
dimethyl sulfoxide 
;
_space_group_IT_number           14
_symmetry_cell_setting           monoclinic
_symmetry_space_group_name_Hall  '-P 2ybc'
_symmetry_space_group_name_H-M   'P 1 21/c 1'
_atom_sites_solution_hydrogens   geom
_atom_sites_solution_primary     direct
_atom_sites_solution_secondary   difmap
_audit_creation_method           SHELXL-97
_cell_angle_alpha                90.00
_cell_angle_beta                 94.712(4)
_cell_angle_gamma                90.00
_cell_formula_units_Z            4
_cell_length_a                   8.5399(4)
_cell_length_b                   10.2371(6)
_cell_length_c                   18.5633(11)
_cell_measurement_reflns_used    2875
_cell_measurement_temperature    100(2)
_cell_measurement_theta_max      25.21
_cell_measurement_theta_min      2.20
_cell_volume                     1617.39(15)
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 1990)'
_diffrn_ambient_temperature      100(2)
_diffrn_measured_fraction_theta_full 0.998
_diffrn_measured_fraction_theta_max 0.998
_diffrn_radiation_monochromator  graphite
_diffrn_radiation_source         'fine-focus sealed tube'
_diffrn_radiation_type           MoK\a
_diffrn_radiation_wavelength     0.71073
_diffrn_reflns_av_R_equivalents  0.0846
_diffrn_reflns_av_sigmaI/netI    0.0719
_diffrn_reflns_limit_h_max       11
_diffrn_reflns_limit_h_min       -11
_diffrn_reflns_limit_k_max       9
_diffrn_reflns_limit_k_min       -13
_diffrn_reflns_limit_l_max       24
_diffrn_reflns_limit_l_min       -24
_diffrn_reflns_number            19277
_diffrn_reflns_theta_full        27.50
_diffrn_reflns_theta_max         27.50
_diffrn_reflns_theta_min         2.20
_exptl_absorpt_coefficient_mu    2.682
_exptl_absorpt_correction_T_max  0.8141
_exptl_absorpt_correction_T_min  0.4289
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   SADABS
_exptl_crystal_colour            colorless
_exptl_crystal_density_diffrn    1.611
_exptl_crystal_description       stick
_exptl_crystal_F_000             792
_exptl_crystal_size_max          0.38
_exptl_crystal_size_mid          0.14
_exptl_crystal_size_min          0.08
_refine_diff_density_max         0.500
_refine_diff_density_min         -0.476
_refine_diff_density_rms         0.100
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   0.965
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     210
_refine_ls_number_reflns         3705
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      0.965
_refine_ls_R_factor_all          0.0792
_refine_ls_R_factor_gt           0.0428
_refine_ls_shift/su_max          0.002
_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'calc w=1/[\s^2^(Fo^2^)+(0.0491P)^2^+0.0000P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0894
_refine_ls_wR_factor_ref         0.0978
_reflns_number_gt                2556
_reflns_number_total             3705
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            ic201801e_si_002_2.cif
_cod_data_source_block           irst763
_cod_database_code               4327143