Enantiomeric Amino Acid Schiff Base Copper(II) Complexes as a New Class of RNA-Targeted Metallo-Intercalators: Single X-ray Crystal Structural Details, Comparative in Vitro DNA/RNA Binding Profile, Cleavage, and Cytotoxicity
Zehra, Siffeen; Roisnel, Thierry; Arjmand, Farukh; ACS Omega 4 (2019) 7691–; doi:10.1021/acsomega.9b00131

data_4515075
_publ_section_title
;
 Enantiomeric Amino Acid Schiff Base Copper(II) Complexes as a New Class
 of RNA-Targeted Metallo-Intercalators: Single X-ray Crystal Structural
 Details, Comparative in Vitro DNA/RNA Binding Profile, Cleavage, and
 Cytotoxicity
;
_journal_issue                   4
_journal_name_full               'ACS Omega'
_journal_page_first              7691
_journal_paper_doi               10.1021/acsomega.9b00131
_journal_volume                  4
_journal_year                    2019
_chemical_absolute_configuration ad
_chemical_compound_source        'synthesis as described'
_chemical_formula_moiety         'C16 H15 Cu N O3'
_chemical_formula_sum            'C16 H15 Cu N O3'
_chemical_formula_weight         332.83
_space_group_crystal_system      orthorhombic
_space_group_IT_number           19
_space_group_name_Hall           'P 2ac 2ab'
_space_group_name_H-M_alt        'P 21 21 21'
_symmetry_space_group_name_Hall  'P 2ac 2ab'
_symmetry_space_group_name_H-M   'P 21 21 21'
_atom_sites_solution_hydrogens   geom
_cell_angle_alpha                90
_cell_angle_beta                 90
_cell_angle_gamma                90
_cell_formula_units_Z            4
_cell_length_a                   5.0732(2)
_cell_length_b                   12.2596(7)
_cell_length_c                   21.8597(12)
_cell_measurement_reflns_used    9339
_cell_measurement_temperature    150
_cell_measurement_theta_max      27.41
_cell_measurement_theta_min      2.50
_cell_measurement_wavelength     0.71073
_cell_volume                     1359.57(12)
_computing_cell_refinement       'APEX3 (Bruker, 2015); SAINT (Bruker, 2014)'
_computing_data_collection       'SAINT (Bruker, 2014)'
_computing_data_reduction        'SAINT (Bruker, 2014)'
_computing_molecular_graphics
'SXGRAPH (Farrugia, 1999), Mercury (CSD, 2016)'
_computing_publication_material  'CRYSCALC (T. Roisnel, local program, 2018)'
_computing_structure_refinement  'SHELXL-2017/1 (Sheldrick, 2017)'
_computing_structure_solution    'SHELXT (Sheldrick, 2015)'
_diffrn_ambient_temperature      150
_diffrn_detector                 '(CMOS) PHOTON 100'
_diffrn_measured_fraction_theta_full 0.997
_diffrn_measured_fraction_theta_max 0.997
_diffrn_measurement_device_type  'D8 VENTURE Bruker AXS'
_diffrn_measurement_method       'rotation images'
_diffrn_radiation_monochromator  'multilayer monochromator'
_diffrn_radiation_probe          x-ray
_diffrn_radiation_source         'Incoatec microfocus sealed tube'
_diffrn_radiation_type           MoK\a
_diffrn_radiation_wavelength     0.71073
_diffrn_reflns_av_R_equivalents  0.0277
_diffrn_reflns_av_unetI/netI     0.0334
_diffrn_reflns_limit_h_max       6
_diffrn_reflns_limit_h_min       -5
_diffrn_reflns_limit_k_max       15
_diffrn_reflns_limit_k_min       -15
_diffrn_reflns_limit_l_max       28
_diffrn_reflns_limit_l_min       -28
_diffrn_reflns_number            8911
_diffrn_reflns_theta_full        25.242
_diffrn_reflns_theta_max         27.447
_diffrn_reflns_theta_min         3.252
_exptl_absorpt_coefficient_mu    1.615
_exptl_absorpt_correction_T_max  0.960
_exptl_absorpt_correction_T_min  0.809
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details
;
  [Sheldrick, G.M. (2014). SADABS Bruker AXS Inc., Madison, Wisconsin, USA]
;
_exptl_crystal_colour            green
_exptl_crystal_density_diffrn    1.626
_exptl_crystal_description       stick
_exptl_crystal_F_000             684
_exptl_crystal_size_max          0.380
_exptl_crystal_size_mid          0.030
_exptl_crystal_size_min          0.025
_refine_diff_density_max         0.266
_refine_diff_density_min         -0.438
_refine_diff_density_rms         0.064
_refine_ls_abs_structure_details
;
Flack x determined using 1195 quotients [(I+)-(I-)]/[(I+)+(I-)]
(Parsons, Flack and Wagner, Acta Cryst. B69 (2013) 249-259).
;
_refine_ls_abs_structure_Flack   -0.002(6)
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.095
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     192
_refine_ls_number_reflns         3103
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.095
_refine_ls_R_factor_all          0.0261
_refine_ls_R_factor_gt           0.0234
_refine_ls_shift/su_max          0.001
_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'w=1/[\s^2^(Fo^2^)+(0.0172P)^2^+0.9397P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0564
_refine_ls_wR_factor_ref         0.0576
_reflns_Friedel_coverage         0.696
_reflns_Friedel_fraction_full    0.998
_reflns_Friedel_fraction_max     0.997
_reflns_number_gt                2954
_reflns_number_total             3103
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            SZ42_150K_01fev18_D8VMo_archive.cif
_cod_data_source_block           SZ42
_cod_database_code               4515075
_shelx_res_checksum              7211
_shelx_hkl_checksum              7764