Crystal-State Structural Analysis of Beta-Hydroxy-gamma-Lactam Constrained SER/THR Peptidomimetics
Daniel J. St-Cyr; Thierry Maris; William D. Lubel; Heterocycles 82 (2010) 729–737; doi:10.3987/COM-10-S(E)52

data_1501545
_publ_section_title
;
 Crystal-State Structural Analysis of Beta-Hydroxy-gamma-Lactam
 Constrained SER/THR Peptidomimetics
;
_journal_name_full               Heterocycles
_journal_page_first              729
_journal_page_last               737
_journal_paper_doi               10.3987/COM-10-S(E)52
_journal_volume                  82
_journal_year                    2010
_chemical_absolute_configuration rmad
_chemical_compound_source        'Synthesized by the authors. See text'
_chemical_formula_moiety         'C26 H30 N2 O6'
_chemical_formula_sum            'C26 H30 N2 O6'
_chemical_formula_weight         466.52
_space_group_IT_number           4
_symmetry_cell_setting           monoclinic
_symmetry_space_group_name_Hall  'P 2yb'
_symmetry_space_group_name_H-M   'P 1 21 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
_cell_angle_beta                 105.559(1)
_cell_angle_gamma                90
_cell_formula_units_Z            2
_cell_length_a                   14.1833(3)
_cell_length_b                   6.0199(1)
_cell_length_c                   14.6315(3)
_cell_measurement_reflns_used    4513
_cell_measurement_temperature    150
_cell_measurement_theta_max      71.31
_cell_measurement_theta_min      3.14
_cell_volume                     1203.49(4)
_computing_cell_refinement       'SAINT V7.68A(Bruker AXS, 2009)'
_computing_data_collection       'APEX2  (Bruker AXS, 2009)'
_computing_data_reduction        'SAINT V7.68A(Bruker AXS, 2009)'
_computing_molecular_graphics    'SHELXTL v6.12 (Bruker AXS, 2001)'
_computing_publication_material  'UdMX (Maris, 2004)'
_computing_structure_refinement  'SHELXL97 (Sheldrick, 2008)'
_computing_structure_solution    'SIR2004 (Burla et al., 2004)'
_diffrn_ambient_temperature      150
_diffrn_detector_area_resol_mean 5.5
_diffrn_measured_fraction_theta_full 0.987
_diffrn_measured_fraction_theta_max 0.987
_diffrn_measurement_device_type  'Bruker Smart 6000'
_diffrn_measurement_method       \w
_diffrn_radiation_monochromator  'Montel 200 optics'
_diffrn_radiation_source         'Rotating Anode'
_diffrn_radiation_type           CuK\a
_diffrn_radiation_wavelength     1.54178
_diffrn_reflns_av_R_equivalents  0.037
_diffrn_reflns_av_sigmaI/netI    0.0375
_diffrn_reflns_limit_h_max       17
_diffrn_reflns_limit_h_min       -16
_diffrn_reflns_limit_k_max       7
_diffrn_reflns_limit_k_min       -7
_diffrn_reflns_limit_l_max       17
_diffrn_reflns_limit_l_min       -18
_diffrn_reflns_number            14307
_diffrn_reflns_theta_full        72.57
_diffrn_reflns_theta_max         72.57
_diffrn_reflns_theta_min         3.14
_exptl_absorpt_coefficient_mu    0.752
_exptl_absorpt_correction_T_max  0.9137
_exptl_absorpt_correction_T_min  0.7675
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   'Sadabs (Sheldrick, 2008)'
_exptl_crystal_colour            Colorless
_exptl_crystal_density_diffrn    1.287
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       platelet
_exptl_crystal_F_000             496
_exptl_crystal_size_max          0.30
_exptl_crystal_size_mid          0.12
_exptl_crystal_size_min          0.12
_refine_diff_density_max         0.155
_refine_diff_density_min         -0.140
_refine_diff_density_rms         0.034
_refine_ls_abs_structure_details 'Flack H D (1983), 1909 Friedel Pairs'
_refine_ls_abs_structure_Flack   0.26(18)
_refine_ls_extinction_coef       0.0035(5)
_refine_ls_extinction_expression Fc^*^=kFc[1+0.001xFc^2^\l^3^/sin(2\q)]^-1/4^
_refine_ls_extinction_method     SHELXL
_refine_ls_goodness_of_fit_ref   1.055
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     351
_refine_ls_number_reflns         4540
_refine_ls_number_restraints     118
_refine_ls_restrained_S_all      1.042
_refine_ls_R_factor_all          0.0477
_refine_ls_R_factor_gt           0.0408
_refine_ls_shift/su_max          0.002
_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'calc w=1/[\s^2^(Fo^2^)+(0.0588P)^2^+0.0687P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1027
_refine_ls_wR_factor_ref         0.1063
_reflns_number_gt                4006
_reflns_number_total             4540
_reflns_threshold_expression     I>2\s(I)
_cod_data_source_file            deposit.cif
_cod_data_source_block           lube47
_cod_depositor_comments
;
 Updated values of the _geom_bond_atom_site_label_* data items to establish
 relationships between loop packets from different data loops.
;
_cod_original_sg_symbol_H-M      P21
_cod_database_code               1501545