BACE1 Inhibitory Meroterpenoids from Aspergillus terreus.
Qi, Changxing; Liu, Mengting; Zhou, Qun; Gao, Weixi; Chen, Chunmei; Lai, Yongji; Hu, Zhengxi; Xue, Yongbo; Zhang, Jinwen; Li, Dongyan; Li, Xiao-Nian; Zhang, Qing; Wang, Jianping; Zhu, Hucheng; Zhang, Yonghui; Journal of natural products 81 (2018) 1937–1945; doi:10.1021/acs.jnatprod.7b01050

data_1553345
_publ_section_title
;
 BACE1 Inhibitory Meroterpenoids from Aspergillus terreus.
;
_journal_issue                   9
_journal_name_full               'Journal of natural products'
_journal_page_first              1937
_journal_page_last               1945
_journal_paper_doi               10.1021/acs.jnatprod.7b01050
_journal_volume                  81
_journal_year                    2018
_chemical_formula_sum            'C27 H36 O8'
_chemical_formula_weight         488.56
_space_group_IT_number           79
_space_group_name_Hall           'I 4'
_space_group_name_H-M_alt        'I 4'
_symmetry_cell_setting           tetragonal
_symmetry_space_group_name_H-M   'I 4'
_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                 90.00
_cell_angle_gamma                90.00
_cell_formula_units_Z            8
_cell_length_a                   27.2552(4)
_cell_length_b                   27.2552(4)
_cell_length_c                   7.0051(2)
_cell_measurement_reflns_used    8680
_cell_measurement_temperature    296(2)
_cell_measurement_theta_max      70.82
_cell_measurement_theta_min      2.29
_cell_volume                     5203.71(18)
_computing_cell_refinement       'Bruker SAINT'
_computing_data_collection       'Bruker APEX2'
_computing_data_reduction        'Bruker SAINT'
_computing_molecular_graphics    'Bruker SHELXTL'
_computing_publication_material  'Bruker SHELXTL'
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 2008)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 2008)'
_diffrn_ambient_temperature      296(2)
_diffrn_measured_fraction_theta_full 0.950
_diffrn_measured_fraction_theta_max 0.950
_diffrn_measurement_device_type  'Bruker APEX-II CCD'
_diffrn_measurement_method       '\f and \w scans'
_diffrn_radiation_monochromator  graphite
_diffrn_radiation_source         'fine-focus sealed tube'
_diffrn_radiation_type           CuK\a
_diffrn_radiation_wavelength     1.54178
_diffrn_reflns_av_R_equivalents  0.0311
_diffrn_reflns_av_sigmaI/netI    0.0259
_diffrn_reflns_limit_h_max       29
_diffrn_reflns_limit_h_min       -32
_diffrn_reflns_limit_k_max       30
_diffrn_reflns_limit_k_min       -28
_diffrn_reflns_limit_l_max       7
_diffrn_reflns_limit_l_min       -7
_diffrn_reflns_number            11393
_diffrn_reflns_theta_full        67.49
_diffrn_reflns_theta_max         67.49
_diffrn_reflns_theta_min         2.29
_exptl_absorpt_coefficient_mu    0.751
_exptl_absorpt_correction_T_max  0.9287
_exptl_absorpt_correction_T_min  0.9153
_exptl_absorpt_correction_type   none
_exptl_crystal_density_diffrn    1.247
_exptl_crystal_density_meas      0
_exptl_crystal_density_method    'not measured'
_exptl_crystal_F_000             2096
_exptl_crystal_size_max          0.12
_exptl_crystal_size_mid          0.10
_exptl_crystal_size_min          0.10
_refine_diff_density_max         0.334
_refine_diff_density_min         -0.162
_refine_diff_density_rms         0.047
_refine_ls_abs_structure_details 'Flack H D (1983), Acta Cryst. A39, 876-881'
_refine_ls_abs_structure_Flack   0.11(17)
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.076
_refine_ls_hydrogen_treatment    mixed
_refine_ls_matrix_type           full
_refine_ls_number_parameters     345
_refine_ls_number_reflns         4102
_refine_ls_number_restraints     32
_refine_ls_restrained_S_all      1.125
_refine_ls_R_factor_all          0.0364
_refine_ls_R_factor_gt           0.0359
_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^)+(0.0654P)^2^+1.2261P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1002
_refine_ls_wR_factor_ref         0.1005
_reflns_number_gt                4066
_reflns_number_total             4102
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            np7b01050_si_003.cif
_cod_data_source_block           t
_cod_depositor_comments
;
The following automatic conversions were performed:

data item '_symmetry_cell_setting' value 'Tetragonal' was changed to
'tetragonal' in accordance with the
/home/saulius/struct/COD-crude-data/automatic-downloads/DataCite-retrospective/ACS/depositions/lib/dictionaries/cif_core.dic
dictionary named 'cif_core.dic' version 2.4.2 last updated on
2011-04-26.

Automatic conversion script
Id: cif_fix_values 6909 2019-04-08 15:41:33Z antanas 
;
_cod_original_sg_symbol_H-M      I4
_cod_database_code               1553345