Structural features controlling the binding of β-carbolines to the benzodiazepine receptor
Ferretti, Valeria; Gilli, Paola; Borea, Pier Andrea; Acta Crystallographica Section B 60 (2004) 481–489; doi:10.1107/S0108768104013564

data_2102577
_publ_section_title
;
 Structural features controlling the binding of \b-carbolines to the
 benzodiazepine receptor
;
_journal_issue                   4
_journal_name_full               'Acta Crystallographica Section B'
_journal_page_first              481
_journal_page_last               489
_journal_paper_doi               10.1107/S0108768104013564
_journal_volume                  60
_journal_year                    2004
_chemical_formula_moiety         'C13 H11 N3 O'
_chemical_formula_sum            'C13 H11 N3 O'
_chemical_formula_weight         225.25
_chemical_name_common            3-carbomethylamide-beta-carboline
_chemical_name_systematic        3-carbomethylamide-beta-carboline
_space_group_IT_number           15
_symmetry_cell_setting           monoclinic
_symmetry_space_group_name_Hall  '-C 2yc'
_symmetry_space_group_name_H-M   'C 1 2/c 1'
_atom_sites_solution_hydrogens   difmap
_atom_sites_solution_primary     direct
_atom_sites_solution_secondary   difmap
_audit_creation_method           SHELXL-97
_cell_angle_alpha                90.00
_cell_angle_beta                 90.9340(12)
_cell_angle_gamma                90.00
_cell_formula_units_Z            8
_cell_length_a                   14.3632(5)
_cell_length_b                   7.6804(2)
_cell_length_c                   19.6712(7)
_cell_measurement_reflns_used    5605
_cell_measurement_temperature    293
_cell_measurement_theta_max      27.99
_cell_measurement_theta_min      2.8
_cell_volume                     2169.74(12)
_computing_cell_refinement       'DENZO-SMN (Otwinowski & Minor, 1997)'
_computing_data_collection       'Kappa CCD server software (Nonius, 1997)'
_computing_data_reduction        'DENZO-SMN (Otwinowski & Minor, 1997)'
_computing_molecular_graphics    'ORTEP(Burnett & Johnson, 1996)'
_computing_publication_material
;SHELXL-97 (Sheldrick, 1997); PARST (Nardelli, 1983, 1995); PLATON (Spek,
 1998)
;
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_solution    'SIR97 (Altomare et al., 1999)'
_diffrn_ambient_temperature      293(2)
_diffrn_measured_fraction_theta_full 0.993
_diffrn_measured_fraction_theta_max 0.993
_diffrn_measurement_device_type  'Nonius KappaCCD'
_diffrn_measurement_method       '\f scans and \w scans'
_diffrn_radiation_monochromator  graphite
_diffrn_radiation_source         'fine-focus sealed tube'
_diffrn_radiation_type           MoK\a
_diffrn_radiation_wavelength     0.71070
_diffrn_reflns_av_R_equivalents  0.026
_diffrn_reflns_av_sigmaI/netI    0.0335
_diffrn_reflns_limit_h_max       18
_diffrn_reflns_limit_h_min       -18
_diffrn_reflns_limit_k_max       10
_diffrn_reflns_limit_k_min       -10
_diffrn_reflns_limit_l_max       25
_diffrn_reflns_limit_l_min       -25
_diffrn_reflns_number            5605
_diffrn_reflns_theta_full        27.99
_diffrn_reflns_theta_max         27.99
_diffrn_reflns_theta_min         2.84
_exptl_absorpt_coefficient_mu    0.091
_exptl_absorpt_correction_type   none
_exptl_crystal_colour            colourless
_exptl_crystal_density_diffrn    1.379
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       prism
_exptl_crystal_F_000             944
_exptl_crystal_size_max          0.4
_exptl_crystal_size_mid          0.31
_exptl_crystal_size_min          0.17
_refine_diff_density_max         0.178
_refine_diff_density_min         -0.191
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.125
_refine_ls_hydrogen_treatment    mixed
_refine_ls_matrix_type           full
_refine_ls_number_parameters     190
_refine_ls_number_reflns         2595
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.125
_refine_ls_R_factor_all          0.0723
_refine_ls_R_factor_gt           0.0482
_refine_ls_shift/su_max          0.054
_refine_ls_shift/su_mean         0.001
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'calc w=1/[\s^2^(Fo^2^)+(0.0753P)^2^+0.5664P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1253
_refine_ls_wR_factor_ref         0.1484
_reflns_number_gt                1943
_reflns_number_total             2595
_reflns_threshold_expression     I>2sigma(I)
_cod_data_source_file            na5019.cif
_cod_data_source_block           FG7142
_cod_original_sg_symbol_H-M      C2/c
_cod_database_code               2102577