Synthesis and structural investigation of 2-aminomethyl-3-(4-methoxy-phenyl)-propionic acid containing peptide analogue of amyloidogenic AS(6-7) sequence: Inhibition of fibril formation
Paikar, Arpita; Debnath, Mintu; Podder, Debasish; Sasmal, Supriya; Haldar, Debasish; Org. Biomol. Chem.  (2017) –; doi:10.1039/C7OB00797C

data_7155583
_publ_section_title
;
 Synthesis and structural investigation of
 2-aminomethyl-3-(4-methoxy-phenyl)-propionic acid containing peptide
 analogue of amyloidogenic AS(6-7) sequence: Inhibition of fibril
 formation
;
_journal_name_full               'Org. Biomol. Chem.'
_journal_paper_doi               10.1039/C7OB00797C
_journal_year                    2017
_chemical_absolute_configuration R
_chemical_formula_moiety         'C21 H32 N2 O5'
_chemical_formula_sum            'C21 H32 N2 O5'
_chemical_formula_weight         392.49
_space_group_crystal_system      monoclinic
_space_group_IT_number           4
_space_group_name_Hall           'P 2yb'
_space_group_name_H-M_alt        'P 1 21 1'
_symmetry_space_group_name_Hall  'P 2yb'
_symmetry_space_group_name_H-M   'P 1 21 1'
_atom_sites_solution_hydrogens   geom
_atom_sites_solution_primary     dual
_audit_creation_date             2017-02-09
_audit_creation_method
;
Olex2 1.2
(compiled 2017.01.04 svn.r3372 for OlexSys, GUI svn.r5292)
;
_audit_update_record
;
2017-02-20 deposited with the CCDC.
2017-04-18 downloaded from the CCDC.
;
_cell_angle_alpha                90
_cell_angle_beta                 104.444(4)
_cell_angle_gamma                90
_cell_formula_units_Z            4
_cell_length_a                   10.8333(4)
_cell_length_b                   18.5688(6)
_cell_length_c                   11.5795(4)
_cell_measurement_reflns_used    4421
_cell_measurement_temperature    100.00(10)
_cell_measurement_theta_max      24.9870
_cell_measurement_theta_min      2.0930
_cell_volume                     2255.72(14)
_computing_cell_refinement
;
CrysAlisPro, Agilent Technologies,
Version 1.171.37.34 (release 22-05-2014 CrysAlis171 .NET)
(compiled May 22 2014,16:03:01)
;
_computing_data_collection
;
CrysAlisPro, Agilent Technologies,
Version 1.171.37.34 (release 22-05-2014 CrysAlis171 .NET)
(compiled May 22 2014,16:03:01)
;
_computing_data_reduction
;
CrysAlisPro, Agilent Technologies,
Version 1.171.37.34 (release 22-05-2014 CrysAlis171 .NET)
(compiled May 22 2014,16:03:01)
;
_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_environment      N~2~
_diffrn_ambient_temperature      100.00(10)
_diffrn_detector                 'CCD plate'
_diffrn_detector_area_resol_mean 7.9580
_diffrn_detector_type            Eos
_diffrn_measured_fraction_theta_full 1.000
_diffrn_measured_fraction_theta_max 0.999
_diffrn_measurement_details
;
  1 omega   25.00   72.00   1.0000   15.0000
omega____ theta____ kappa____ phi______ frames
    -       27.0898  -99.0000   90.0000 47

  2 omega  -14.00   98.00   1.0000   15.0000
omega____ theta____ kappa____ phi______ frames
    -       27.0898   38.0000  150.0000 112

  3 omega   -4.00   92.00   1.0000   15.0000
omega____ theta____ kappa____ phi______ frames
    -       27.0898   77.0000    0.0000 96
;
_diffrn_measurement_device       'four-circle diffractometer'
_diffrn_measurement_device_type  'SuperNova, Dual, Cu at zero, Eos'
_diffrn_measurement_method       '\w scans'
_diffrn_orient_matrix_UB_11      -0.0451953000
_diffrn_orient_matrix_UB_12      -0.0098447000
_diffrn_orient_matrix_UB_13      -0.0532438000
_diffrn_orient_matrix_UB_21      -0.0490250000
_diffrn_orient_matrix_UB_22      0.0006622000
_diffrn_orient_matrix_UB_23      0.0307350000
_diffrn_orient_matrix_UB_31      -0.0112639000
_diffrn_orient_matrix_UB_32      0.0369059000
_diffrn_orient_matrix_UB_33      -0.0148075000
_diffrn_radiation_monochromator  mirror
_diffrn_radiation_probe          x-ray
_diffrn_radiation_type           MoK\a
_diffrn_radiation_wavelength     0.71073
_diffrn_reflns_av_R_equivalents  0.0212
_diffrn_reflns_av_unetI/netI     0.0403
_diffrn_reflns_Laue_measured_fraction_full 1.000
_diffrn_reflns_Laue_measured_fraction_max 0.999
_diffrn_reflns_limit_h_max       12
_diffrn_reflns_limit_h_min       -9
_diffrn_reflns_limit_k_max       22
_diffrn_reflns_limit_k_min       -21
_diffrn_reflns_limit_l_max       13
_diffrn_reflns_limit_l_min       -13
_diffrn_reflns_number            7513
_diffrn_reflns_point_group_measured_fraction_full 0.771
_diffrn_reflns_point_group_measured_fraction_max 0.771
_diffrn_reflns_theta_full        25.027
_diffrn_reflns_theta_max         25.027
_diffrn_reflns_theta_min         1.816
_diffrn_source                   'SuperNova (Mo) X-ray Source'
_exptl_absorpt_coefficient_mu    0.082
_exptl_absorpt_correction_T_max  1.00000
_exptl_absorpt_correction_T_min  0.93615
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details
;
CrysAlisPro, Agilent Technologies,
Version 1.171.37.34 (release 22-05-2014 CrysAlis171 .NET)
(compiled May 22 2014,16:03:01)
Empirical absorption correction using spherical harmonics,
 implemented in SCALE3 ABSPACK scaling algorithm.
;
_exptl_crystal_colour            'clear whiteish colourless'
_exptl_crystal_colour_lustre     clear
_exptl_crystal_colour_modifier   whiteish
_exptl_crystal_colour_primary    colourless
_exptl_crystal_density_diffrn    1.156
_exptl_crystal_description       needle
_exptl_crystal_F_000             924
_exptl_crystal_size_max          0.3589
_exptl_crystal_size_mid          0.25589
_exptl_crystal_size_min          0.1258
_refine_diff_density_max         0.224
_refine_diff_density_min         -0.243
_refine_diff_density_rms         0.052
_refine_ls_abs_structure_details
;
 Flack x determined using 1829 quotients [(I+)-(I-)]/[(I+)+(I-)]
 (Parsons, Flack and Wagner, Acta Cryst. B69 (2013) 249-259).
;
_refine_ls_abs_structure_Flack   -0.003(7)
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.122
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     517
_refine_ls_number_reflns         6142
_refine_ls_number_restraints     1
_refine_ls_restrained_S_all      1.121
_refine_ls_R_factor_all          0.0442
_refine_ls_R_factor_gt           0.0410
_refine_ls_shift/su_max          0.002
_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'w=1/[\s^2^(Fo^2^)+(0.0462P)^2^+0.9988P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1090
_refine_ls_wR_factor_ref         0.1115
_reflns_Friedel_coverage         0.493
_reflns_Friedel_fraction_full    0.527
_reflns_Friedel_fraction_max     0.527
_reflns_number_gt                5790
_reflns_number_total             6142
_reflns_threshold_expression     'I > 2\s(I)'
_cod_data_source_file            c7ob00797c2.cif
_cod_data_source_block           d_phe_leu_2
_cod_database_code               7155583
_shelx_shelxl_version_number     2014/7
_chemical_oxdiff_formula         'C H N O'
_reflns_odcompleteness_completeness 93.13
_reflns_odcompleteness_iscentric 1
_reflns_odcompleteness_theta     25.63
_olex2_refinement_description
;
1. Fixed Uiso
 At 1.2 times of:
  All C(H) groups, All C(H,H) groups, All N(H) groups
 At 1.5 times of:
  All C(H,H,H) groups
2.a Ternary CH refined with riding coordinates:
 C36(H36), C27(H27), C15(H15), C38(H38), C6(H6), C17(H17)
2.b Secondary CH2 refined with riding coordinates:
 C28(H28A,H28B), C7(H7A,H7B), C37(H37A,H37B), C16(H16A,H16B)
2.c Aromatic/amide H refined with riding coordinates:
 N3(H3), N4(H4), N2(H2), N1(H1), C9(H9), C30(H30), C13(H13), C11(H11),
 C12(H12), C33(H33), C10(H10), C34(H34), C31(H31), C32(H32)
2.d Idealised Me refined as rotating group:
 C22(H22A,H22B,H22C), C18(H18A,H18B,H18C), C24(H24A,H24B,H24C), C23(H23A,H23B,
 H23C), C19(H19A,H19B,H19C), C39(H39A,H39B,H39C), C40(H40A,H40B,H40C), C42(H42A,
 H42B,H42C), C21(H21A,H21B,H21C), C1(H1A,H1B,H1C), C3(H3A,H3B,H3C), C2(H2A,H2B,
 H2C)
;
_olex2_submission_special_instructions 'No special instructions were received'