The Role of Electrostatics in Siderophore Recognition by the Immunoprotein Siderocalin1
Trisha M. Hoette; Rebecca J. Abergel; Jide Xu; Roland K. Strong; Kenneth N. Raymond; Journal of the American Chemical Society 130 (2008) 17584–17592; doi:10.1021/ja8074665

data_4108887
_publ_section_title
;
 The Role of Electrostatics in Siderophore Recognition by the
 Immunoprotein Siderocalin1
;
_journal_name_full               'Journal of the American Chemical Society'
_journal_page_first              17584
_journal_page_last               17592
_journal_paper_doi               10.1021/ja8074665
_journal_volume                  130
_journal_year                    2008
_chemical_formula_moiety         'C29 H39 Fe K2 N6 O14'
_chemical_formula_sum            'C29 H39 Fe K2 N6 O14'
_chemical_formula_weight         829.71
_chemical_name_common            'ferric tren(cam)2(1,2-hopo)'
_chemical_name_systematic
; 
 ? 
;
_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                 103.438(2)
_cell_angle_gamma                90.00
_cell_formula_units_Z            4
_cell_length_a                   18.184(2)
_cell_length_b                   12.2234(14)
_cell_length_c                   18.256(2)
_cell_measurement_reflns_used    3912
_cell_measurement_temperature    150(2)
_cell_measurement_theta_max      22.781
_cell_measurement_theta_min      2.501
_cell_volume                     3946.7(8)
_computing_cell_refinement       'SAINT v.7.34A'
_computing_data_collection       'Bruker APEX2 v.2.1-4'
_computing_data_reduction        'SAINT v.7.34A'
_computing_molecular_graphics    'ORTEP-3 v.1.08, POV-Ray v3.6.1c.icl8.win32'
_computing_publication_material  'ORTEP-3 v.1.08, POV-Ray v3.6.1c.icl8.win32'
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 1990)'
_diffrn_ambient_temperature      150(2)
_diffrn_detector_area_resol_mean 8.258
_diffrn_measured_fraction_theta_full 0.996
_diffrn_measured_fraction_theta_max 0.996
_diffrn_measurement_device_type  'Bruker APEX II'
_diffrn_measurement_method       \w-scans
_diffrn_radiation_monochromator  'channel cut Si-<111> crystal'
_diffrn_radiation_source         'Advanced Light Source Station 11.3.1'
_diffrn_radiation_type           synchrotron
_diffrn_radiation_wavelength     0.77490
_diffrn_reflns_av_R_equivalents  0.0633
_diffrn_reflns_av_sigmaI/netI    0.0438
_diffrn_reflns_limit_h_max       19
_diffrn_reflns_limit_h_min       -19
_diffrn_reflns_limit_k_max       13
_diffrn_reflns_limit_k_min       -13
_diffrn_reflns_limit_l_max       19
_diffrn_reflns_limit_l_min       -19
_diffrn_reflns_number            28818
_diffrn_reflns_theta_full        25.00
_diffrn_reflns_theta_max         25.00
_diffrn_reflns_theta_min         2.39
_diffrn_standards_number         0
_exptl_absorpt_coefficient_mu    0.661
_exptl_absorpt_correction_T_max  0.9934
_exptl_absorpt_correction_T_min  0.9552
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   'Blessing, 1995'
_exptl_crystal_colour            brown
_exptl_crystal_density_diffrn    1.396
_exptl_crystal_description       plate
_exptl_crystal_F_000             1724
_exptl_crystal_size_max          0.07
_exptl_crystal_size_mid          0.04
_exptl_crystal_size_min          0.01
_refine_diff_density_max         0.787
_refine_diff_density_min         -0.375
_refine_diff_density_rms         0.088
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.048
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     488
_refine_ls_number_reflns         5325
_refine_ls_number_restraints     1
_refine_ls_restrained_S_all      1.048
_refine_ls_R_factor_all          0.0861
_refine_ls_R_factor_gt           0.0621
_refine_ls_shift/su_max          0.001
_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'calc w=1/[\s^2^(Fo^2^)+(0.0958P)^2^+9.5035P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1642
_refine_ls_wR_factor_ref         0.1797
_reflns_number_gt                3987
_reflns_number_total             5325
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            ja8074665_si_002.cif
_cod_data_source_block           c2h
_cod_original_sg_symbol_H-M      'P 21/c'
_cod_database_code               4108887