Functional Modeling of Cobalamine-Independent Methionine Synthase with Pyrazolylborate-Zinc-Thiolate Complexes
Udo Brand; Michael Rombach; Jan Seebacher; Heinrich Vahrenkamp; Inorganic Chemistry 40 (2001) 6151–6157; doi:10.1021/ic0105112

data_4320582
_publ_section_title
;
 Functional Modeling of Cobalamine-Independent Methionine Synthase with
 Pyrazolylborate-Zinc-Thiolate Complexes
;
_journal_name_full               'Inorganic Chemistry'
_journal_page_first              6151
_journal_page_last               6157
_journal_paper_doi               10.1021/ic0105112
_journal_volume                  40
_journal_year                    2001
_chemical_formula_sum            'C50 H53 B N7 O2 S Zn'
_chemical_formula_weight         892.23
_chemical_melting_point          172
_chemical_name_common            TpPhe,MeZnMet
_chemical_name_systematic
;
Hydrotris(5-methyl-3-phenyl-pyrazol-1-yl)borato-zinc-methioninat
;
_space_group_IT_number           14
_symmetry_cell_setting           monoclinic
_symmetry_space_group_name_Hall  '-P 2yn'
_symmetry_space_group_name_H-M   'P 1 21/n 1'
_atom_sites_solution_hydrogens   geom
_atom_sites_solution_primary     patterson
_atom_sites_solution_secondary   difmap
_audit_creation_method           SHELXL-97
_cell_angle_alpha                90.00
_cell_angle_beta                 90.000(2)
_cell_angle_gamma                90.00
_cell_formula_units_Z            4
_cell_length_a                   9.8778(8)
_cell_length_b                   18.4038(16)
_cell_length_c                   25.762(2)
_cell_measurement_temperature    153(2)
_cell_volume                     4683.2(7)
_computing_cell_refinement       'Bruker SMART'
_computing_data_collection       'Bruker SMART'
_computing_data_reduction        'Bruker SHELXTL'
_computing_molecular_graphics    'Bruker SHELXTL'
_computing_publication_material  'Bruker SHELXTL'
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 1990)'
_diffrn_ambient_temperature      153(2)
_diffrn_detector_area_resol_mean none
_diffrn_measured_fraction_theta_full 0.953
_diffrn_measured_fraction_theta_max 0.953
_diffrn_measurement_device_type  'CCD area detector'
_diffrn_measurement_method       'phi and omega 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  0.1701
_diffrn_reflns_av_sigmaI/netI    0.2637
_diffrn_reflns_limit_h_max       13
_diffrn_reflns_limit_h_min       -13
_diffrn_reflns_limit_k_max       23
_diffrn_reflns_limit_k_min       -23
_diffrn_reflns_limit_l_max       33
_diffrn_reflns_limit_l_min       -33
_diffrn_reflns_number            41896
_diffrn_reflns_theta_full        28.35
_diffrn_reflns_theta_max         28.35
_diffrn_reflns_theta_min         1.36
_diffrn_standards_decay_%        none
_diffrn_standards_interval_count none
_diffrn_standards_interval_time  none
_diffrn_standards_number         none
_exptl_absorpt_coefficient_mu    0.616
_exptl_absorpt_correction_type   SADABS
_exptl_crystal_colour            colourless
_exptl_crystal_density_diffrn    1.265
_exptl_crystal_density_meas      ?
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       isometric
_exptl_crystal_F_000             1876
_exptl_crystal_size_max          0.3
_exptl_crystal_size_mid          0.3
_exptl_crystal_size_min          0.4
_refine_diff_density_max         1.056
_refine_diff_density_min         -1.057
_refine_diff_density_rms         0.080
_refine_ls_extinction_coef       none
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   0.812
_refine_ls_hydrogen_treatment    'Riding Model'
_refine_ls_matrix_type           full
_refine_ls_number_parameters     559
_refine_ls_number_reflns         11156
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      0.812
_refine_ls_R_factor_all          0.2014
_refine_ls_R_factor_gt           0.0644
_refine_ls_shift/su_max          0.022
_refine_ls_shift/su_mean         0.001
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'calc w=1/[\s^2^(Fo^2^)+(0.0563P)^2^+0.0000P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1342
_refine_ls_wR_factor_ref         0.1675
_reflns_number_gt                3788
_reflns_number_total             11156
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            ic0105112_4.cif
_cod_data_source_block           M28
_cod_depositor_comments
;
The following automatic conversions were performed:

'_symmetry_cell_setting' value 'Monoclinic' changed to 'monoclinic'
according to the built-in table from CIF Core dictionary named
'cif_core.dic' version 2.4.1 from 2010-06-29.

'_geom_bond_publ_flag'
value 'Y' changed to 'y' according to the built-in table from CIF
Core dictionary named 'cif_core.dic' version 2.4.1 from 2010-06-29
(71 time).

'_geom_angle_publ_flag' value 'Y' changed to 'y'
according to the built-in table from CIF Core dictionary named
'cif_core.dic' version 2.4.1 from 2010-06-29 (102 times).

Automatic conversion script
Id: cif_fix_values 1646 2011-03-28 12:23:43Z adriana 

The following automatic conversions were performed:

'_exptl_crystal_density_meas' value 'not measured' was changed to '?'
- the value is perceived as not measured.

Automatic conversion script
Id: cif_fix_values 3008 2015-01-20 13:52:24Z robertas 
;
_cod_database_code               4320582