An α-helical peptidomimetic scaffold for dynamic combinatorial library formation.
Busschaert, Nathalie; Thompson, Sam; Hamilton, Andrew D.; Chemical communications (Cambridge, England) 53 (2016) 313–316; doi:10.1039/c6cc07787k

data_7119232
_publ_section_title
;
 An \a-helical peptidomimetic scaffold for dynamic combinatorial library
 formation.
;
_journal_issue                   2
_journal_name_full               'Chemical communications (Cambridge, England)'
_journal_page_first              313
_journal_page_last               316
_journal_paper_doi               10.1039/c6cc07787k
_journal_volume                  53
_journal_year                    2016
_chemical_compound_source        'Nathalie Busschaert'
_chemical_formula_moiety         'C27 H34 N4 O4'
_chemical_formula_sum            'C27 H34 N4 O4'
_chemical_formula_weight         478.58
_space_group_crystal_system      triclinic
_space_group_IT_number           2
_space_group_name_Hall           '-P 1'
_space_group_name_H-M_alt        'P -1'
_symmetry_space_group_name_Hall  '-P 1'
_symmetry_space_group_name_H-M   'P -1'
_atom_sites_solution_hydrogens   mixed
_audit_creation_method           SHELXL-2014/7
_audit_update_record
;
2016-06-23 deposited with the CCDC.
2016-11-07 downloaded from the CCDC.
;
_cell_angle_alpha                112.002(3)
_cell_angle_beta                 102.265(3)
_cell_angle_gamma                90.523(3)
_cell_formula_units_Z            2
_cell_length_a                   7.1080(14)
_cell_length_b                   13.001(3)
_cell_length_c                   15.084(3)
_cell_measurement_reflns_used    6525
_cell_measurement_temperature    100(2)
_cell_measurement_theta_max      27.10
_cell_measurement_theta_min      2.66
_cell_volume                     1256.8(5)
_computing_cell_refinement       'Bruker SAINT'
_computing_data_collection       'Bruker APEX2'
_computing_data_reduction        'Bruker SAINT'
_computing_structure_refinement  'SHELXL-2014/7 (Sheldrick, 2014)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 2008)'
_diffrn_ambient_temperature      100(2)
_diffrn_measured_fraction_theta_full 0.995
_diffrn_measured_fraction_theta_max 0.994
_diffrn_measurement_device_type  'Bruker APEX-II CCD'
_diffrn_measurement_method       '\f and \w scans'
_diffrn_radiation_monochromator  graphite
_diffrn_radiation_source         'sealed tube'
_diffrn_radiation_type           MoK\a
_diffrn_radiation_wavelength     0.71073
_diffrn_reflns_av_R_equivalents  0.0342
_diffrn_reflns_av_unetI/netI     0.0365
_diffrn_reflns_Laue_measured_fraction_full 0.995
_diffrn_reflns_Laue_measured_fraction_max 0.994
_diffrn_reflns_limit_h_max       9
_diffrn_reflns_limit_h_min       -9
_diffrn_reflns_limit_k_max       16
_diffrn_reflns_limit_k_min       -16
_diffrn_reflns_limit_l_max       19
_diffrn_reflns_limit_l_min       -19
_diffrn_reflns_number            21850
_diffrn_reflns_point_group_measured_fraction_full 0.995
_diffrn_reflns_point_group_measured_fraction_max 0.994
_diffrn_reflns_theta_full        25.242
_diffrn_reflns_theta_max         27.150
_diffrn_reflns_theta_min         1.497
_exptl_absorpt_coefficient_mu    0.086
_exptl_absorpt_correction_type   none
_exptl_crystal_colour            colourless
_exptl_crystal_density_diffrn    1.265
_exptl_crystal_description       block
_exptl_crystal_F_000             512
_exptl_crystal_size_max          0.390
_exptl_crystal_size_mid          0.130
_exptl_crystal_size_min          0.100
_refine_diff_density_max         0.464
_refine_diff_density_min         -0.386
_refine_diff_density_rms         0.066
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.092
_refine_ls_hydrogen_treatment    mixed
_refine_ls_matrix_type           full
_refine_ls_number_parameters     324
_refine_ls_number_reflns         5526
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.092
_refine_ls_R_factor_all          0.0788
_refine_ls_R_factor_gt           0.0623
_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^)+(0.1003P)^2^+0.8103P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1825
_refine_ls_wR_factor_ref         0.1939
_reflns_Friedel_coverage         0.000
_reflns_number_gt                4262
_reflns_number_total             5526
_reflns_threshold_expression     'I > 2\s(I)'
_cod_data_source_file            c6cc07787k2.cif
_cod_data_source_block           shelxl
_cod_original_cell_volume        1256.8(4)
_cod_database_code               7119232
_shelx_shelxl_version_number     2014/7
_shelx_estimated_absorpt_t_min   0.967
_shelx_estimated_absorpt_t_max   0.991
_shelx_res_checksum              99452
_shelx_hkl_checksum              82064