Syntheses of Highly Fluorescent GFP-Chromophore Analogues
Liangxing Wu; Kevin Burgess; Journal of the American Chemical Society 130 (2008) 4089–4096; doi:10.1021/ja710388h

data_4107588
_publ_section_title
;
 Syntheses of Highly Fluorescent GFP-Chromophore Analogues
;
_journal_name_full               'Journal of the American Chemical Society'
_journal_page_first              4089
_journal_page_last               4096
_journal_paper_doi               10.1021/ja710388h
_journal_volume                  130
_journal_year                    2008
_chemical_formula_sum            'C17 H15 B F2 N4 O3'
_chemical_formula_weight         372.14
_chemical_name_systematic
; 
 ? 
;
_space_group_IT_number           2
_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                76.599(5)
_cell_angle_beta                 86.107(3)
_cell_angle_gamma                86.382(3)
_cell_formula_units_Z            4
_cell_length_a                   7.2703(4)
_cell_length_b                   14.6609(9)
_cell_length_c                   15.5558(9)
_cell_measurement_reflns_used    3213
_cell_measurement_temperature    110(2)
_cell_measurement_theta_max      61.07
_cell_measurement_theta_min      2.92
_cell_volume                     1607.29(17)
_computing_cell_refinement
; 
CELL_NOW (Sheldrick, 2003), Bruker SAINT 
;
_computing_data_collection       'Bruker FRAMBO'
_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      110(2)
_diffrn_measured_fraction_theta_full 0.917
_diffrn_measured_fraction_theta_max 0.917
_diffrn_measurement_device_type  'Bruker GADDS D8 Discover'
_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  0.0327
_diffrn_reflns_av_sigmaI/netI    0.0457
_diffrn_reflns_limit_h_max       8
_diffrn_reflns_limit_h_min       -8
_diffrn_reflns_limit_k_max       16
_diffrn_reflns_limit_k_min       -15
_diffrn_reflns_limit_l_max       17
_diffrn_reflns_limit_l_min       -17
_diffrn_reflns_number            9161
_diffrn_reflns_theta_full        61.08
_diffrn_reflns_theta_max         61.08
_diffrn_reflns_theta_min         2.92
_exptl_absorpt_coefficient_mu    1.040
_exptl_absorpt_correction_T_max  0.9122
_exptl_absorpt_correction_T_min  0.6297
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   'SADABS (Sheldrick, 2006)'
_exptl_crystal_colour            red
_exptl_crystal_density_diffrn    1.538
_exptl_crystal_description       column
_exptl_crystal_F_000             768
_exptl_crystal_size_max          0.49
_exptl_crystal_size_mid          0.11
_exptl_crystal_size_min          0.09
_refine_diff_density_max         0.318
_refine_diff_density_min         -0.290
_refine_diff_density_rms         0.078
_refine_ls_extinction_coef       0.0037(3)
_refine_ls_extinction_expression Fc^*^=kFc[1+0.001xFc^2^\l^3^/sin(2\q)]^-1/4^
_refine_ls_extinction_method     SHELXL
_refine_ls_goodness_of_fit_ref   1.007
_refine_ls_hydrogen_treatment    mixed
_refine_ls_matrix_type           full
_refine_ls_number_parameters     494
_refine_ls_number_reflns         4521
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.007
_refine_ls_R_factor_all          0.0502
_refine_ls_R_factor_gt           0.0403
_refine_ls_shift/su_max          0.005
_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'calc w=1/[\s^2^(Fo^2^)+(0.0710P)^2^+0.0000P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1041
_refine_ls_wR_factor_ref         0.1077
_reflns_number_gt                3569
_reflns_number_total             4521
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            ja710388h-file005.cif
_cod_data_source_block           kbb
_cod_original_cell_volume        1607.29(16)
_cod_database_code               4107588