Specific Stereoisomeric Conformations Determine the Drug Potency of Cladosporin Scaffold against Malarial Parasite.
Das, Pronay; Babbar, Palak; Malhotra, Nipun; Sharma, Manmohan; Jachak, Goraknath R.; Gonnade, Rajesh G.; Shanmugam, Dhanasekaran; Harlos, Karl; Yogavel, Manickam; Sharma, Amit; Reddy, D. Srinivasa; Journal of medicinal chemistry 61 (2018) 5664–5678; doi:10.1021/acs.jmedchem.8b00565

data_1553260
_publ_section_title
;
 Specific Stereoisomeric Conformations Determine the Drug Potency of
 Cladosporin Scaffold against Malarial Parasite.
;
_journal_issue                   13
_journal_name_full               'Journal of medicinal chemistry'
_journal_page_first              5664
_journal_page_last               5678
_journal_paper_doi               10.1021/acs.jmedchem.8b00565
_journal_volume                  61
_journal_year                    2018
_chemical_formula_sum            'C21 H25 F2 N3 O2'
_chemical_formula_weight         389.44
_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   geom
_audit_creation_method           SHELXL-2014/7
_cell_angle_alpha                90
_cell_angle_beta                 90
_cell_angle_gamma                90
_cell_formula_units_Z            4
_cell_length_a                   7.5165(16)
_cell_length_b                   8.0959(17)
_cell_length_c                   24.661(9)
_cell_measurement_temperature    293(2)
_cell_volume                     1500.7(7)
_computing_structure_refinement  'SHELXL-2014/7 (Sheldrick, 2014)'
_diffrn_ambient_temperature      293(2)
_diffrn_measured_fraction_theta_full 0.989
_diffrn_measured_fraction_theta_max 0.988
_diffrn_radiation_type           CuK\a
_diffrn_radiation_wavelength     1.54184
_diffrn_reflns_av_R_equivalents  0.0342
_diffrn_reflns_av_unetI/netI     0.0215
_diffrn_reflns_Laue_measured_fraction_full 0.989
_diffrn_reflns_Laue_measured_fraction_max 0.988
_diffrn_reflns_limit_h_max       9
_diffrn_reflns_limit_h_min       -9
_diffrn_reflns_limit_k_max       10
_diffrn_reflns_limit_k_min       -9
_diffrn_reflns_limit_l_max       30
_diffrn_reflns_limit_l_min       -30
_diffrn_reflns_number            25114
_diffrn_reflns_point_group_measured_fraction_full 0.990
_diffrn_reflns_point_group_measured_fraction_max 0.989
_diffrn_reflns_theta_full        67.684
_diffrn_reflns_theta_max         72.316
_diffrn_reflns_theta_min         5.752
_exptl_absorpt_coefficient_mu    1.073
_exptl_crystal_density_diffrn    1.724
_exptl_crystal_F_000             824
_refine_diff_density_max         0.616
_refine_diff_density_min         -0.574
_refine_diff_density_rms         0.213
_refine_ls_abs_structure_details
;
 Flack x determined using 1196 quotients [(I+)-(I-)]/[(I+)+(I-)]
 (Parsons, Flack and Wagner, Acta Cryst. B69 (2013) 249-259).
;
_refine_ls_abs_structure_Flack   0.05(4)
_refine_ls_extinction_coef       0.040(4)
_refine_ls_extinction_expression Fc^*^=kFc[1+0.001xFc^2^\l^3^/sin(2\q)]^-1/4^
_refine_ls_extinction_method     'SHELXL-2014/7 (Sheldrick 2014'
_refine_ls_goodness_of_fit_ref   1.301
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     194
_refine_ls_number_reflns         2936
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.301
_refine_ls_R_factor_all          0.0461
_refine_ls_R_factor_gt           0.0396
_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^)+(0.0689P)^2^+0.2987P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1083
_refine_ls_wR_factor_ref         0.1218
_reflns_Friedel_coverage         0.709
_reflns_Friedel_fraction_full    0.991
_reflns_Friedel_fraction_max     0.991
_reflns_number_gt                2906
_reflns_number_total             2936
_reflns_threshold_expression     'I > 2\s(I)'
_cod_data_source_file            jm8b00565_si_001.cif
_cod_data_source_block           PDB148
_cod_database_code               1553260
_shelx_shelxl_version_number     2014/7
_shelx_res_checksum              14954
_shelx_hkl_checksum              8253