Activation and Tuning of Green Fluorescent Protein Chromophore Emission by Alkyl Substituent-Mediated Crystal Packing
Jian Dong; Kyril M. Solntsev; Laren M. Tolbert; Journal of the American Chemical Society 131 (2009) 662–670; doi:10.1021/ja806962e

data_4103768
_publ_section_title
;
 Activation and Tuning of Green Fluorescent Protein Chromophore Emission
 by Alkyl Substituent-Mediated Crystal Packing
;
_journal_name_full               'Journal of the American Chemical Society'
_journal_page_first              662
_journal_page_last               670
_journal_paper_doi               10.1021/ja806962e
_journal_volume                  131
_journal_year                    2009
_chemical_formula_sum            'C12 H12 N2 O2'
_chemical_formula_weight         216.24
_space_group_IT_number           14
_symmetry_cell_setting           monoclinic
_symmetry_space_group_name_Hall  '-P 2yn'
_symmetry_space_group_name_H-M   'P 1 21/n 1'
_atom_sites_solution_hydrogens   geom
_atom_sites_solution_primary     direct
_atom_sites_solution_secondary   difmap
_audit_creation_method           SHELXL-97
_cell_angle_alpha                90.00
_cell_angle_beta                 92.8050(10)
_cell_angle_gamma                90.00
_cell_formula_units_Z            8
_cell_length_a                   7.6165(3)
_cell_length_b                   16.5619(7)
_cell_length_c                   16.8917(7)
_cell_measurement_reflns_used    6242
_cell_measurement_temperature    173(2)
_cell_measurement_theta_max      65.96
_cell_measurement_theta_min      18.60
_cell_volume                     2128.23(15)
_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      173(2)
_diffrn_measured_fraction_theta_full 0.856
_diffrn_measured_fraction_theta_max 0.856
_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  0.0130
_diffrn_reflns_av_sigmaI/netI    0.0151
_diffrn_reflns_limit_h_max       8
_diffrn_reflns_limit_h_min       -9
_diffrn_reflns_limit_k_max       19
_diffrn_reflns_limit_k_min       -16
_diffrn_reflns_limit_l_max       19
_diffrn_reflns_limit_l_min       -19
_diffrn_reflns_number            7768
_diffrn_reflns_theta_full        66.10
_diffrn_reflns_theta_max         66.10
_diffrn_reflns_theta_min         18.54
_exptl_absorpt_coefficient_mu    0.767
_exptl_absorpt_correction_T_max  0.8494
_exptl_absorpt_correction_T_min  0.7489
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   SADABS
_exptl_crystal_colour            yellow
_exptl_crystal_density_diffrn    1.350
_exptl_crystal_density_meas      0
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       prism
_exptl_crystal_F_000             912
_exptl_crystal_size_max          0.40
_exptl_crystal_size_mid          0.32
_exptl_crystal_size_min          0.22
_refine_diff_density_max         0.248
_refine_diff_density_min         -0.165
_refine_diff_density_rms         0.028
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.043
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     295
_refine_ls_number_reflns         3176
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.043
_refine_ls_R_factor_all          0.0349
_refine_ls_R_factor_gt           0.0338
_refine_ls_shift/su_max          0.001
_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'calc w=1/[\s^2^(Fo^2^)+(0.0496P)^2^+0.5902P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0899
_refine_ls_wR_factor_ref         0.0908
_reflns_number_gt                3058
_reflns_number_total             3176
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            ja806962e_si_002.cif
_cod_data_source_block           jd1s
_cod_database_code               4103768