Antimicrobial and Cytotoxic Angucyclic Quinones from <i>Actinomadura miaoliensis</i>.
Saepua, Siriporn; Kornsakulkarn, Jittra; Choowong, Wilunda; Suriyachadkun, Chanwit; Boonlarppradab, Chollaratt; Thongpanchang, Chawanee; Journal of natural products 84 (2021) 2775–2785; doi:10.1021/acs.jnatprod.1c00232

data_1565519
_publ_section_title
;
 Antimicrobial and Cytotoxic Angucyclic Quinones from <i>Actinomadura
 miaoliensis</i>.
;
_journal_issue                   11
_journal_name_full               'Journal of natural products'
_journal_page_first              2775
_journal_page_last               2785
_journal_paper_doi               10.1021/acs.jnatprod.1c00232
_journal_volume                  84
_journal_year                    2021
_chemical_absolute_configuration unk
_chemical_formula_moiety         'C19 H20 O6'
_chemical_formula_sum            'C19 H20 O6'
_chemical_formula_weight         344.35
_chemical_name_systematic        AT2911_A_LT
_space_group_crystal_system      orthorhombic
_space_group_IT_number           19
_space_group_name_Hall           'P 2ac 2ab'
_space_group_name_H-M_alt        'P 21 21 21'
_atom_sites_solution_hydrogens   mixed
_atom_sites_solution_primary     iterative
_audit_creation_date             2020-12-15
_audit_creation_method
;
Olex2 1.3
(compiled 2020.11.12 svn.r5f609507 for OlexSys, GUI svn.r6226)
;
_cell_angle_alpha                90
_cell_angle_beta                 90
_cell_angle_gamma                90
_cell_formula_units_Z            4
_cell_length_a                   6.8062(6)
_cell_length_b                   11.6371(10)
_cell_length_c                   19.7825(17)
_cell_measurement_reflns_used    9946
_cell_measurement_temperature    100
_cell_measurement_theta_max      72.22
_cell_measurement_theta_min      3.80
_cell_volume                     1566.9(2)
_computing_cell_refinement       'SAINT V8.40A (Bruker, 2019)'
_computing_data_reduction        'SAINT V8.40A (Bruker, 2019)'
_computing_molecular_graphics    'Olex2 1.3 (Dolomanov et al., 2009)'
_computing_publication_material  'Olex2 1.3 (Dolomanov et al., 2009)'
_computing_structure_refinement  'XL  (Sheldrick, 2008)'
_computing_structure_solution    'olex2.solve 1.3 (Bourhis et al., 2015)'
_diffrn_ambient_temperature      100.0
_diffrn_detector                 'PHOTON 100 CMOS DETECTOR'
_diffrn_detector_area_resol_mean 10.4167
_diffrn_detector_type            'PHOTON 100 CMOS'
_diffrn_measured_fraction_theta_full 0.955
_diffrn_measured_fraction_theta_max 0.958
_diffrn_measurement_device       '\k-Geometry Diffractometer'
_diffrn_measurement_device_type  'BRUKER D8 VENTURE'
_diffrn_measurement_method       '\w and \f scans'
_diffrn_radiation_collimation    '0.6 mm'
_diffrn_radiation_monochromator  graphite
_diffrn_radiation_probe          x-ray
_diffrn_radiation_type           CuK\a
_diffrn_radiation_wavelength     1.54178
_diffrn_radiation_xray_symbol    K-L~3~
_diffrn_reflns_av_R_equivalents  0.0193
_diffrn_reflns_av_unetI/netI     0.0180
_diffrn_reflns_Laue_measured_fraction_full 0.955
_diffrn_reflns_Laue_measured_fraction_max 0.958
_diffrn_reflns_limit_h_max       8
_diffrn_reflns_limit_h_min       -8
_diffrn_reflns_limit_k_max       10
_diffrn_reflns_limit_k_min       -14
_diffrn_reflns_limit_l_max       22
_diffrn_reflns_limit_l_min       -24
_diffrn_reflns_number            11694
_diffrn_reflns_point_group_measured_fraction_full 0.959
_diffrn_reflns_point_group_measured_fraction_max 0.962
_diffrn_reflns_theta_full        67.679
_diffrn_reflns_theta_max         72.055
_diffrn_reflns_theta_min         7.722
_diffrn_source                   'X-ray tube'
_diffrn_source_current           50.0
_diffrn_source_power             2.5
_diffrn_source_target            Cu
_diffrn_source_type              'Micro focus tube'
_diffrn_source_voltage           50.0
_diffrn_standards_number         0
_exptl_absorpt_coefficient_mu    0.905
_exptl_absorpt_correction_T_max  0.7536
_exptl_absorpt_correction_T_min  0.6874
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details
;
SADABS-2016/2 (Bruker,2016/2) was used for absorption correction.
wR2(int) was 0.0714 before and 0.0323 after correction.
The Ratio of minimum to maximum transmission is 0.9122.
The \l/2 correction factor is Not present.
;
_exptl_crystal_colour            'clear light colourless'
_exptl_crystal_colour_lustre     clear
_exptl_crystal_colour_modifier   light
_exptl_crystal_colour_primary    colourless
_exptl_crystal_density_diffrn    1.460
_exptl_crystal_description       block
_exptl_crystal_F_000             728
_exptl_crystal_size_max          0.1
_exptl_crystal_size_mid          0.1
_exptl_crystal_size_min          0.1
_refine_diff_density_max         0.209
_refine_diff_density_min         -0.150
_refine_diff_density_rms         0.031
_refine_ls_abs_structure_details
;
 Flack x determined using 1245 quotients [(I+)-(I-)]/[(I+)+(I-)]
 (Parsons, Flack and Wagner, Acta Cryst. B69 (2013) 249-259).
;
_refine_ls_abs_structure_Flack   0.032(19)
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.051
_refine_ls_hydrogen_treatment    mixed
_refine_ls_matrix_type           full
_refine_ls_number_parameters     238
_refine_ls_number_reflns         2977
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.051
_refine_ls_R_factor_all          0.0254
_refine_ls_R_factor_gt           0.0254
_refine_ls_shift/su_max          0.000
_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'w=1/[\s^2^(Fo^2^)+(0.0312P)^2^+0.4426P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0648
_refine_ls_wR_factor_ref         0.0648
_reflns_Friedel_coverage         0.723
_reflns_Friedel_fraction_full    0.965
_reflns_Friedel_fraction_max     0.967
_reflns_number_gt                2976
_reflns_number_total             2977
_reflns_threshold_expression     'I > 2\s(I)'
_cod_data_source_file            np1c00232_si_004.cif
_cod_data_source_block           at2911_a_lt_0m_a
_cod_database_code               1565519
_shelx_shelxl_version_number     2018/3
_shelx_estimated_absorpt_t_max   0.915
_shelx_estimated_absorpt_t_min   0.915
_olex2_refinement_description
;
1. Fixed Uiso
 At 1.2 times of:
  All C(H) groups, All C(H,H) groups
 At 1.5 times of:
  All C(H,H,H) groups, All O(H) groups
2.a Ternary CH refined with riding coordinates:
 C1(H1A), C12B(H12B), C12(H12)
2.b Secondary CH2 refined with riding coordinates:
 C5(H5A,H5B), C4(H4A,H4B)
2.c Aromatic/amide H refined with riding coordinates:
 C11(H11), C9(H9), C2(H2A), C10(H10)
2.d Idealised Me refined as rotating group:
 C13(H13A,H13B,H13C)
2.e Idealised tetrahedral OH refined as rotating group:
 O4(H4), O2(H2), O1(H1), O6(H6)
;
_shelx_res_checksum              99034
_shelx_hkl_checksum              90059
_olex2_submission_original_sample_id AT2911_A_LT
_olex2_submission_special_instructions 'No special instructions were received'