How does binding of imidazole-based inhibitors to heme oxygenase-1 influence their conformation? Insights combining crystal structures and molecular modelling.
Carletta, Andrea; Tilborg, Anaëlle; Moineaux, Laurence; de Ruyck, Jérôme; Basile, Livia; Salerno, Loredana; Romeo, Giuseppe; Wouters, Johan; Guccione, Salvatore; Acta crystallographica Section B, Structural science, crystal engineering and materials 71 (2015) 447–454; doi:10.1107/S2052520615010410

data_2311680
_publ_section_title
;
 How does binding of imidazole-based inhibitors to heme oxygenase-1
 influence their conformation? Insights combining crystal structures and
 molecular modelling.
;
_journal_issue                   'Pt 4'
_journal_name_full
'Acta crystallographica Section B, Structural science, crystal engineering and materials'
_journal_page_first              447
_journal_page_last               454
_journal_paper_doi               10.1107/S2052520615010410
_journal_volume                  71
_journal_year                    2015
_chemical_formula_moiety         'C11 H9 N3 O3, 3(H2 O)'
_chemical_formula_sum            'C11 H15 N3 O6'
_chemical_formula_weight         285.26
_space_group_IT_number           2
_space_group_name_Hall           '-P 1'
_space_group_name_H-M_alt        'P -1'
_symmetry_cell_setting           triclinic
_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                89.438(5)
_cell_angle_beta                 86.904(4)
_cell_angle_gamma                82.072(4)
_cell_formula_units_Z            2
_cell_length_a                   7.0408(3)
_cell_length_b                   8.4596(5)
_cell_length_c                   11.4455(7)
_cell_measurement_reflns_used    3247
_cell_measurement_temperature    293(2)
_cell_measurement_theta_max      27.0040
_cell_measurement_theta_min      3.5350
_cell_volume                     674.22(6)
_computing_cell_refinement
;
CrysAlisPro, Agilent Technologies,
Version 1.171.36.28 (release 01-02-2013 CrysAlis171 .NET)
(compiled Feb  1 2013,16:14:44)
;
_computing_data_collection
;
CrysAlisPro, Agilent Technologies,
Version 1.171.36.28 (release 01-02-2013 CrysAlis171 .NET)
(compiled Feb  1 2013,16:14:44)
;
_computing_data_reduction
;
CrysAlisPro, Agilent Technologies,
Version 1.171.36.28 (release 01-02-2013 CrysAlis171 .NET)
(compiled Feb  1 2013,16:14:44)
;
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 1997)'
_diffrn_ambient_temperature      293(2)
_diffrn_detector_area_resol_mean 10.3712
_diffrn_measured_fraction_theta_full 0.9978
_diffrn_measured_fraction_theta_max 0.7986
_diffrn_measurement_device_type  'Xcalibur, Ruby, Gemini ultra'
_diffrn_measurement_method       '\w scans'
_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  0.0246
_diffrn_reflns_av_sigmaI/netI    0.0260
_diffrn_reflns_limit_h_max       9
_diffrn_reflns_limit_h_min       -9
_diffrn_reflns_limit_k_max       10
_diffrn_reflns_limit_k_min       -11
_diffrn_reflns_limit_l_max       14
_diffrn_reflns_limit_l_min       -15
_diffrn_reflns_number            9754
_diffrn_reflns_theta_full        25.6602
_diffrn_reflns_theta_max         28.13
_diffrn_reflns_theta_min         3.34
_exptl_absorpt_coefficient_mu    0.116
_exptl_absorpt_correction_T_max  1.00000
_exptl_absorpt_correction_T_min  0.80898
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details
;
CrysAlisPro, Agilent Technologies,
Version 1.171.36.28 (release 01-02-2013 CrysAlis171 .NET)
(compiled Feb  1 2013,16:14:44)
Empirical absorption correction using spherical harmonics,
 implemented in SCALE3 ABSPACK scaling algorithm.
;
_exptl_crystal_colour            colourless
_exptl_crystal_density_diffrn    1.405
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       needle-like
_exptl_crystal_F_000             300
_exptl_crystal_size_max          0.45
_exptl_crystal_size_mid          0.32
_exptl_crystal_size_min          0.10
_refine_diff_density_max         0.153
_refine_diff_density_min         -0.279
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.052
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     181
_refine_ls_number_reflns         2860
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.052
_refine_ls_R_factor_all          0.0633
_refine_ls_R_factor_gt           0.0459
_refine_ls_shift/su_max          0.000
_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'calc w=1/[\s^2^(Fo^2^)+(0.0525P)^2^+0.1757P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1130
_refine_ls_wR_factor_ref         0.1225
_reflns_number_gt                2238
_reflns_number_total             2860
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            lo5002sup1.cif
_cod_data_source_block           1c3H2O
_cod_original_sg_symbol_H-M      P-1
_cod_database_code               2311680