Two-Color Visualization of Cholesterol Fluctuation in Plasma Membranes by Spatial Distribution-Controllable Single Fluorescent Probes
Li, Xuechen; Niu, Guangle; Tian, Minggang; Lu, Qing; Cui, Yuezhi; Yu, Xiaoqiang; Analytical Chemistry  (2021) –; doi:10.1021/acs.analchem.1c00481

data_1563531
_publ_section_title
;
 Two-Color Visualization of Cholesterol Fluctuation in Plasma Membranes by
 Spatial Distribution-Controllable Single Fluorescent Probes
;
_journal_name_full               'Analytical Chemistry'
_journal_paper_doi               10.1021/acs.analchem.1c00481
_journal_year                    2021
_chemical_formula_moiety         'I, C21 H23 N2'
_chemical_formula_sum            'C21 H23 I N2'
_chemical_formula_weight         430.31
_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
_atom_sites_solution_primary     dual
_audit_creation_date             2020-12-03
_audit_creation_method
;
Olex2 1.2
(compiled 2018.05.29 svn.r3508 for OlexSys, GUI svn.r5506)
;
_cell_angle_alpha                90
_cell_angle_beta                 90
_cell_angle_gamma                90
_cell_formula_units_Z            4
_cell_length_a                   34.747(5)
_cell_length_b                   6.7509(9)
_cell_length_c                   8.0407(13)
_cell_measurement_reflns_used    3409
_cell_measurement_temperature    150
_cell_measurement_theta_max      21.779
_cell_measurement_theta_min      2.600
_cell_volume                     1886.1(5)
_computing_cell_refinement       'SAINT V8.40A (?, 2016)'
_computing_data_reduction        'SAINT V8.40A (?, 2016)'
_computing_molecular_graphics    'Olex2 (Dolomanov et al., 2009)'
_computing_publication_material  'Olex2 (Dolomanov et al., 2009)'
_computing_structure_refinement  'ShelXL (Sheldrick, 2015)'
_computing_structure_solution    'ShelXT (Sheldrick, 2015)'
_diffrn_ambient_temperature      150.0
_diffrn_measured_fraction_theta_full 0.999
_diffrn_measured_fraction_theta_max 0.999
_diffrn_measurement_device_type  'Bruker D8 VENTURE'
_diffrn_measurement_method       '\f and \w scans'
_diffrn_radiation_type           MoK\a
_diffrn_radiation_wavelength     0.71073
_diffrn_reflns_av_R_equivalents  0.1050
_diffrn_reflns_av_unetI/netI     0.1118
_diffrn_reflns_Laue_measured_fraction_full 0.999
_diffrn_reflns_Laue_measured_fraction_max 0.999
_diffrn_reflns_limit_h_max       41
_diffrn_reflns_limit_h_min       -40
_diffrn_reflns_limit_k_max       6
_diffrn_reflns_limit_k_min       -8
_diffrn_reflns_limit_l_max       8
_diffrn_reflns_limit_l_min       -9
_diffrn_reflns_number            10599
_diffrn_reflns_point_group_measured_fraction_full 0.993
_diffrn_reflns_point_group_measured_fraction_max 0.993
_diffrn_reflns_theta_full        25.015
_diffrn_reflns_theta_max         25.015
_diffrn_reflns_theta_min         2.345
_diffrn_standards_number         0
_exptl_absorpt_coefficient_mu    1.702
_exptl_absorpt_correction_T_max  0.7454
_exptl_absorpt_correction_T_min  0.4133
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details
'SADABS-2016/2 (Bruker,2016/2) was used for absorption correction. wR2(int) was 0.1176 before and 0.0966 after correction. The Ratio of minimum to maximum transmission is 0.5545. The \l/2 correction factor is Not present.'
_exptl_crystal_colour            colourless
_exptl_crystal_colour_primary    colourless
_exptl_crystal_density_diffrn    1.515
_exptl_crystal_description       block
_exptl_crystal_F_000             864
_exptl_crystal_size_max          0.15
_exptl_crystal_size_mid          0.08
_exptl_crystal_size_min          0.05
_refine_diff_density_max         1.783
_refine_diff_density_min         -3.880
_refine_diff_density_rms         0.237
_refine_ls_abs_structure_details
;
 Flack x determined using 685 quotients [(I+)-(I-)]/[(I+)+(I-)]
 (Parsons, Flack and Wagner, Acta Cryst. B69 (2013) 249-259).
;
_refine_ls_abs_structure_Flack   0.17(5)
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.126
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     220
_refine_ls_number_reflns         3310
_refine_ls_number_restraints     126
_refine_ls_restrained_S_all      1.107
_refine_ls_R_factor_all          0.1511
_refine_ls_R_factor_gt           0.1153
_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^)+(0.0001P)^2^+90.5755P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.2708
_refine_ls_wR_factor_ref         0.2900
_reflns_Friedel_coverage         0.683
_reflns_Friedel_fraction_full    0.983
_reflns_Friedel_fraction_max     0.983
_reflns_number_gt                2417
_reflns_number_total             3310
_reflns_threshold_expression     'I > 2\s(I)'
_cod_data_source_file            ac1c00481_si_002.cif
_cod_data_source_block           1010
_cod_database_code               1563531
_shelx_shelxl_version_number     2018/3
_shelx_estimated_absorpt_t_max   0.920
_shelx_estimated_absorpt_t_min   0.784
_olex2_refinement_description
;
1. Fixed Uiso
 At 1.2 times of:
  All C(H) groups, {H21A,H21B,H21C} of C21, All C(H,H) groups
 At 1.5 times of:
  {H1A,H1B,H1C} of C1, {H2A,H2B,H2C} of C2
2. Uiso/Uaniso restraints and constraints
Uanis(C11) \\sim Ueq, Uanis(C9) \\sim Ueq, Uanis(C7) \\sim Ueq, Uanis(C8) \\sim
Ueq, Uanis(C4) \\sim Ueq, Uanis(C5) \\sim Ueq, Uanis(C6) \\sim Ueq, Uanis(C12)
\\sim Ueq, Uanis(C3) \\sim Ueq, Uanis(C2) \\sim Ueq, Uanis(C15) \\sim Ueq,
Uanis(C14) \\sim Ueq, Uanis(C17) \\sim Ueq, Uanis(C16) \\sim Ueq, Uanis(C18)
\\sim Ueq, Uanis(C19) \\sim Ueq, Uanis(C20) \\sim Ueq: with sigma of 0.005 and
sigma for terminal atoms of 0.01
Uanis(C10) \\sim Ueq, Uanis(N2) \\sim Ueq: with sigma of 0.005 and sigma for
terminal atoms of 0.01
Uanis(C13) \\sim Ueq: with sigma of 0.005 and sigma for terminal atoms of 0.01
Uanis(C21) \\sim Ueq: with sigma of 0.005 and sigma for terminal atoms of 0.01
3.a Secondary CH2 refined with riding coordinates:
 C20(H20A,H20B)
3.b Aromatic/amide H refined with riding coordinates:
 C13(H13), C9(H9), C16(H16), C14(H14), C17(H17), C4(H4), C11(H11), C19(H19),
 C7(H7), C12(H12), C18(H18), C8(H8)
3.c Idealised Me refined as rotating group:
 C21(H21A,H21B,H21C), C2(H2A,H2B,H2C), C1(H1A,H1B,H1C)
;
_olex2_submission_special_instructions 'No special instructions were received'