Antineoplastic agents. 556. Isolation and structure of Coprinastatin 1 from Coprinus cinereus.
Pettit, George R.; Meng, Yanhui; Pettit, Robin K.; Herald, Delbert L.; Cichacz, Zbigniew A.; Doubek, Dennis L.; Richert, Linda; Journal of natural products 73 (2010) 388–392; doi:10.1021/np900371j

data_1502819
_publ_section_title
;
 Antineoplastic agents. 556. Isolation and structure of Coprinastatin 1
 from Coprinus cinereus.
;
_journal_issue                   3
_journal_name_full               'Journal of natural products'
_journal_page_first              388
_journal_page_last               392
_journal_paper_doi               10.1021/np900371j
_journal_volume                  73
_journal_year                    2010
_chemical_absolute_configuration nm
_chemical_formula_sum            'C15 H22 O3'
_chemical_formula_weight         250.33
_chemical_name_common            'Compound 4a'
_space_group_IT_number           1
_symmetry_cell_setting           triclinic
_symmetry_space_group_name_Hall  'P 1'
_symmetry_space_group_name_H-M   'P 1'
_atom_sites_solution_hydrogens   geom
_atom_sites_solution_primary     direct
_atom_sites_solution_secondary   difmap
_audit_creation_method           SHELXL-97
_cell_angle_alpha                90.358(2)
_cell_angle_beta                 104.1850(10)
_cell_angle_gamma                90.0690(10)
_cell_formula_units_Z            1
_cell_length_a                   6.7943(2)
_cell_length_b                   6.0697(2)
_cell_length_c                   8.6532(3)
_cell_measurement_reflns_used    2182
_cell_measurement_temperature    123(2)
_cell_volume                     345.964(19)
_computing_cell_refinement       'Bruker SMART'
_computing_data_collection       'Bruker SMART'
_computing_data_reduction        'Bruker SAINT'
_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      123(2)
_diffrn_measured_fraction_theta_full 0.935
_diffrn_measured_fraction_theta_max 0.935
_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           CuK\a
_diffrn_radiation_wavelength     1.54178
_diffrn_reflns_av_R_equivalents  0.0154
_diffrn_reflns_av_sigmaI/netI    0.0251
_diffrn_reflns_limit_h_max       7
_diffrn_reflns_limit_h_min       -8
_diffrn_reflns_limit_k_max       7
_diffrn_reflns_limit_k_min       -7
_diffrn_reflns_limit_l_max       9
_diffrn_reflns_limit_l_min       -10
_diffrn_reflns_number            2576
_diffrn_reflns_theta_full        69.17
_diffrn_reflns_theta_max         69.17
_diffrn_reflns_theta_min         5.27
_exptl_absorpt_coefficient_mu    0.658
_exptl_absorpt_correction_T_max  0.961
_exptl_absorpt_correction_T_min  0.760
_exptl_absorpt_correction_type   empirical
_exptl_absorpt_process_details   'SADABS-Acta Cryst. A51, 33-35 (1995)'
_exptl_crystal_colour            Colorless
_exptl_crystal_density_diffrn    1.202
_exptl_crystal_density_meas      ?
_exptl_crystal_description       'Thin plates'
_exptl_crystal_F_000             136
_exptl_crystal_size_max          0.48
_exptl_crystal_size_mid          0.13
_exptl_crystal_size_min          0.06
_refine_diff_density_max         0.236
_refine_diff_density_min         -0.232
_refine_diff_density_rms         0.045
_refine_ls_abs_structure_details 'Flack H D (1983), Acta Cryst. A39, 876-881'
_refine_ls_abs_structure_Flack   -0.1(2)
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.064
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           'Full-matrix least-squares'
_refine_ls_number_parameters     169
_refine_ls_number_reflns         1668
_refine_ls_number_restraints     3
_refine_ls_restrained_S_all      1.063
_refine_ls_R_factor_all          0.0391
_refine_ls_R_factor_gt           0.0384
_refine_ls_shift/su_max          0.021
_refine_ls_shift/su_mean         0.001
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'calc w=1/[\s^2^(Fo^2^)+(0.0720P)^2^+0.0683P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1033
_refine_ls_wR_factor_ref         0.1042
_reflns_number_gt                1624
_reflns_number_total             1668
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            np900371j_si_005.cif
_cod_data_source_block           p1
_cod_depositor_comments
;
The following automatic conversions were performed:

'_symmetry_cell_setting' value 'Triclinic' changed to 'triclinic'
according to /home/saulius/struct/CIF-dictionaries/cif_core.dic
dictionary named 'cif_core.dic' version 2.4.2 from
2011-04-26.

'_atom_sites_solution_hydrogens' value 'Geom' changed to
'geom' according to
/home/saulius/struct/CIF-dictionaries/cif_core.dic dictionary named
'cif_core.dic' version 2.4.2 from
2011-04-26.

'_atom_sites_solution_primary' value 'Direct' changed to
'direct' according to
/home/saulius/struct/CIF-dictionaries/cif_core.dic dictionary named
'cif_core.dic' version 2.4.2 from
2011-04-26.

'_atom_sites_solution_secondary' value 'Difmap' changed
to 'difmap' according to
/home/saulius/struct/CIF-dictionaries/cif_core.dic dictionary named
'cif_core.dic' version 2.4.2 from
2011-04-26.

'_exptl_absorpt_correction_type' value 'Empirical'
changed to 'empirical' according to
/home/saulius/struct/CIF-dictionaries/cif_core.dic dictionary named
'cif_core.dic' version 2.4.2 from
2011-04-26.

'_refine_ls_weighting_scheme' value 'Calc' changed to
'calc' according to
/home/saulius/struct/CIF-dictionaries/cif_core.dic dictionary named
'cif_core.dic' version 2.4.2 from 2011-04-26.

Automatic conversion script
Id: cif_fix_values 1715 2011-07-08 13:25:40Z 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_original_sg_symbol_H-M      P1
_cod_database_code               1502819