Electronic substituent effect on the conformation of a phenylalanine-incorporated cyclic peptide
Asano, Akiko; Kawanami, Yukiko; Fujita, Mao; Yano, Yuta; Ide, Rio; Minoura, Katsuhiko; Kato, Takuma; Doi, Mitsunobu; RSC Advances 14 (2024) 1062–1071; doi:10.1039/D3RA07836A

data_7247940
_publ_section_title
;
 Electronic substituent effect on the conformation of a
 phenylalanine-incorporated cyclic peptide
;
_journal_issue                   2
_journal_name_full               'RSC Advances'
_journal_page_first              1062
_journal_page_last               1071
_journal_paper_doi               10.1039/D3RA07836A
_journal_volume                  14
_journal_year                    2024
_chemical_absolute_configuration rm
_chemical_compound_source        synthesis
_chemical_formula_moiety         'C40 H52 N8 O6 S2, C2 H3 N'
_chemical_formula_sum            'C42 H55 N9 O6 S2'
_chemical_formula_weight         846.07
_chemical_name_common            Phe(Me)ASC
_chemical_name_systematic
; 
 cyclo(Phe(Me)-Oxz-D-Val-Thz-Ile-Oxz-D-Val-Thz).MeCN
;
_space_group_IT_number           19
_space_group_name_Hall           'P 2ac 2ab'
_space_group_name_H-M_alt        'P 21 21 21'
_symmetry_cell_setting           orthorhombic
_symmetry_space_group_name_H-M   'P 21 21 21'
_atom_sites_solution_hydrogens   geom
_atom_sites_solution_primary     direct
_atom_sites_solution_secondary   difmap
_audit_creation_method           SHELXL-97
_audit_update_record
;
2023-08-22 deposited with the CCDC.	2023-12-19 downloaded from the CCDC.
;
_cell_angle_alpha                90.00
_cell_angle_beta                 90.00
_cell_angle_gamma                90.00
_cell_formula_units_Z            4
_cell_length_a                   15.6599(13)
_cell_length_b                   16.5029(14)
_cell_length_c                   17.2608(14)
_cell_measurement_reflns_used    5998
_cell_measurement_temperature    240(2)
_cell_measurement_theta_max      25.85
_cell_measurement_theta_min      2.47
_cell_volume                     4460.8(6)
_computing_cell_refinement       'SAINTPLUS (Bruker, 1998)'
_computing_data_collection       'SMART (Bruker, 1998)'
_computing_data_reduction        'SAINTPLUS (Bruker, 1998)'
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 2008)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 2008)'
_diffrn_ambient_temperature      240(2)
_diffrn_detector_area_resol_mean 8.366
_diffrn_measured_fraction_theta_full 1.000
_diffrn_measured_fraction_theta_max 1.000
_diffrn_measurement_device_type  'CCD (Bruker APEX)'
_diffrn_measurement_method       \w-scan
_diffrn_radiation_monochromator  'conforcal (Bruker Montel)'
_diffrn_radiation_source         'rotating anode (M18XCE)'
_diffrn_radiation_type           MoK\a
_diffrn_radiation_wavelength     0.71073
_diffrn_reflns_av_R_equivalents  0.0397
_diffrn_reflns_av_sigmaI/netI    0.0329
_diffrn_reflns_limit_h_max       19
_diffrn_reflns_limit_h_min       -19
_diffrn_reflns_limit_k_max       20
_diffrn_reflns_limit_k_min       -20
_diffrn_reflns_limit_l_max       21
_diffrn_reflns_limit_l_min       -21
_diffrn_reflns_number            36244
_diffrn_reflns_theta_full        26.37
_diffrn_reflns_theta_max         26.37
_diffrn_reflns_theta_min         1.71
_diffrn_standards_decay_%        0.0
_diffrn_standards_interval_count 36244
_diffrn_standards_interval_time  480
_diffrn_standards_number         337
_exptl_absorpt_coefficient_mu    0.175
_exptl_absorpt_correction_T_max  1.0
_exptl_absorpt_correction_T_min  0.889
_exptl_absorpt_correction_type   empirical
_exptl_absorpt_process_details   'SADABS (Sheldrick, 1996)'
_exptl_crystal_colour            colourless
_exptl_crystal_density_diffrn    1.260
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       block
_exptl_crystal_F_000             1800
_exptl_crystal_recrystallization_method
'Re-crystallisation from solvent: acetonitrile'
_exptl_crystal_size_max          0.40
_exptl_crystal_size_mid          0.30
_exptl_crystal_size_min          0.25
_refine_diff_density_max         0.532
_refine_diff_density_min         -0.177
_refine_diff_density_rms         0.062
_refine_ls_abs_structure_details 'Flack H D (1983), Acta Cryst. A39, 876-881'
_refine_ls_abs_structure_Flack   -0.02(9)
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.096
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     533
_refine_ls_number_reflns         9137
_refine_ls_number_restraints     6
_refine_ls_restrained_S_all      1.098
_refine_ls_R_factor_all          0.0717
_refine_ls_R_factor_gt           0.0681
_refine_ls_shift/su_max          0.002
_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'calc w=1/[\s^2^(Fo^2^)+(0.0946P)^2^+1.5174P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1719
_refine_ls_wR_factor_ref         0.1749
_reflns_number_gt                8537
_reflns_number_total             9137
_reflns_threshold_expression     I>2\s(I)
_cod_data_source_file            d3ra07836a2.cif
_cod_data_source_block           fme
_cod_original_sg_symbol_H-M      P212121
_cod_database_code               7247940