data_POK
# 
_chem_comp.id                                    POK 
_chem_comp.name                                  "2-[[~{N}-[(4~{S})-4-azanyl-5-oxidanylidene-pentyl]carbamimidoyl]amino]ethanoic acid" 
_chem_comp.type                                  "L-peptide linking" 
_chem_comp.pdbx_type                             ATOMP 
_chem_comp.formula                               "C8 H16 N4 O4" 
_chem_comp.mon_nstd_parent_comp_id               ARG 
_chem_comp.pdbx_synonyms                         ? 
_chem_comp.pdbx_formal_charge                    0 
_chem_comp.pdbx_initial_date                     2020-04-27 
_chem_comp.pdbx_modified_date                    2023-11-03 
_chem_comp.pdbx_ambiguous_flag                   N 
_chem_comp.pdbx_release_status                   REL 
_chem_comp.pdbx_replaced_by                      ? 
_chem_comp.pdbx_replaces                         ? 
_chem_comp.formula_weight                        232.237 
_chem_comp.one_letter_code                       R 
_chem_comp.three_letter_code                     POK 
_chem_comp.pdbx_model_coordinates_details        ? 
_chem_comp.pdbx_model_coordinates_missing_flag   N 
_chem_comp.pdbx_ideal_coordinates_details        Corina 
_chem_comp.pdbx_ideal_coordinates_missing_flag   N 
_chem_comp.pdbx_model_coordinates_db_code        6RA9 
_chem_comp.pdbx_subcomponent_list                ? 
_chem_comp.pdbx_processing_site                  PDBE 
# 
loop_
_chem_comp_atom.comp_id 
_chem_comp_atom.atom_id 
_chem_comp_atom.alt_atom_id 
_chem_comp_atom.type_symbol 
_chem_comp_atom.charge 
_chem_comp_atom.pdbx_align 
_chem_comp_atom.pdbx_aromatic_flag 
_chem_comp_atom.pdbx_leaving_atom_flag 
_chem_comp_atom.pdbx_stereo_config 
_chem_comp_atom.pdbx_backbone_atom_flag 
_chem_comp_atom.pdbx_n_terminal_atom_flag 
_chem_comp_atom.pdbx_c_terminal_atom_flag 
_chem_comp_atom.model_Cartn_x 
_chem_comp_atom.model_Cartn_y 
_chem_comp_atom.model_Cartn_z 
_chem_comp_atom.pdbx_model_Cartn_x_ideal 
_chem_comp_atom.pdbx_model_Cartn_y_ideal 
_chem_comp_atom.pdbx_model_Cartn_z_ideal 
_chem_comp_atom.pdbx_component_atom_id 
_chem_comp_atom.pdbx_component_comp_id 
_chem_comp_atom.pdbx_ordinal 
POK N   N   N 0 1 N N N Y Y N 53.730 22.088 -3.600  -4.075 1.764  0.643  N   POK 1  
POK CA  CA  C 0 1 N N S Y N N 53.003 20.882 -4.050  -4.084 0.628  -0.289 CA  POK 2  
POK C   C   C 0 1 N N N Y N Y 53.937 19.666 -3.909  -5.393 -0.109 -0.170 C   POK 3  
POK O   O   O 0 1 N N N Y N Y 55.068 19.673 -4.371  -6.072 0.022  0.821  O   POK 4  
POK CB  CB  C 0 1 N N N N N N 52.535 21.043 -5.507  -2.932 -0.320 0.050  CB  POK 5  
POK CG  CG  C 0 1 N N N N N N 51.657 19.924 -6.040  -1.599 0.391  -0.192 CG  POK 6  
POK CD  CD  C 0 1 N N N N N N 51.708 20.006 -7.561  -0.447 -0.557 0.148  CD  POK 7  
POK NE  NE  N 0 1 N N N N N N 50.967 18.894 -8.212  0.830  0.124  -0.083 NE  POK 8  
POK CZ  CZ  C 0 1 N N N N N N 49.774 19.070 -8.864  2.013  -0.534 0.154  CZ  POK 9  
POK NH1 NH1 N 0 1 N N N N N N 49.125 17.990 -9.459  1.999  -1.764 0.586  NH1 POK 10 
POK NH2 NH2 N 0 1 N N N N N N 49.188 20.341 -8.927  3.211  0.105  -0.062 NH2 POK 11 
POK CAA CAA C 0 1 N N N N N N 47.900 20.615 -9.620  4.472  -0.597 0.191  CAA POK 12 
POK CMA CMA C 0 1 N N N N N N 46.737 19.870 -8.982  5.628  0.317  -0.123 CMA POK 13 
POK OMA OMA O 0 1 N N N N N N 46.633 20.063 -7.656  6.888  -0.115 0.036  OMA POK 14 
POK OMB OMB O 0 1 N N N N N N 45.936 19.148 -9.547  5.420  1.440  -0.518 OMB POK 15 
POK H   H1  H 0 1 N N N Y Y N 54.026 21.965 -2.653  -4.184 1.450  1.595  H1  POK 16 
POK H2  H2  H 0 1 N Y N Y Y N 54.530 22.232 -4.183  -3.234 2.312  0.536  H2  POK 17 
POK HA  H4  H 0 1 N N N Y N N 52.121 20.725 -3.411  -3.965 0.994  -1.309 H4  POK 18 
POK OXT O1  O 0 1 N Y N Y N Y 53.584 18.787 -3.390  -5.805 -0.911 -1.164 O1  POK 19 
POK H6  H6  H 0 1 N N N N N N 53.429 21.105 -6.145  -3.001 -0.616 1.097  H6  POK 20 
POK H7  H7  H 0 1 N N N N N N 51.967 21.982 -5.579  -2.991 -1.205 -0.583 H7  POK 21 
POK H8  H8  H 0 1 N N N N N N 50.623 20.055 -5.689  -1.529 0.688  -1.238 H8  POK 22 
POK H9  H9  H 0 1 N N N N N N 52.039 18.950 -5.701  -1.539 1.277  0.441  H9  POK 23 
POK H10 H10 H 0 1 N N N N N N 52.759 19.966 -7.882  -0.516 -0.853 1.194  H10 POK 24 
POK H11 H11 H 0 1 N N N N N N 51.264 20.961 -7.879  -0.506 -1.442 -0.485 H11 POK 25 
POK H12 H12 H 0 1 N N N N N N 51.357 17.974 -8.172  0.840  1.039  -0.404 H12 POK 26 
POK H13 H13 H 0 1 N N N N N N 49.633 17.137 -9.341  1.154  -2.215 0.739  H13 POK 27 
POK H14 H14 H 0 1 N N N N N N 49.660 21.103 -8.483  3.221  1.020  -0.383 H14 POK 28 
POK H15 H15 H 0 1 N N N N N N 47.989 20.301 -10.671 4.518  -0.894 1.239  H15 POK 29 
POK H16 H16 H 0 1 N N N N N N 47.696 21.695 -9.576  4.528  -1.484 -0.441 H16 POK 30 
POK H17 H17 H 0 1 N N N N N N 45.892 19.571 -7.321  7.596  0.507  -0.178 H17 POK 31 
POK HXT H3  H 0 1 N Y N Y N Y 54.267 18.126 -3.385  -6.651 -1.363 -1.042 H3  POK 32 
# 
loop_
_chem_comp_bond.comp_id 
_chem_comp_bond.atom_id_1 
_chem_comp_bond.atom_id_2 
_chem_comp_bond.value_order 
_chem_comp_bond.pdbx_aromatic_flag 
_chem_comp_bond.pdbx_stereo_config 
_chem_comp_bond.pdbx_ordinal 
POK CAA CMA SING N N 1  
POK CAA NH2 SING N N 2  
POK OMB CMA DOUB N N 3  
POK NH1 CZ  DOUB N N 4  
POK CMA OMA SING N N 5  
POK NH2 CZ  SING N N 6  
POK CZ  NE  SING N N 7  
POK NE  CD  SING N N 8  
POK CD  CG  SING N N 9  
POK CG  CB  SING N N 10 
POK CB  CA  SING N N 11 
POK O   C   DOUB N N 12 
POK CA  C   SING N N 13 
POK CA  N   SING N N 14 
POK N   H   SING N N 15 
POK N   H2  SING N N 16 
POK CA  HA  SING N N 17 
POK C   OXT SING N N 18 
POK CB  H6  SING N N 19 
POK CB  H7  SING N N 20 
POK CG  H8  SING N N 21 
POK CG  H9  SING N N 22 
POK CD  H10 SING N N 23 
POK CD  H11 SING N N 24 
POK NE  H12 SING N N 25 
POK NH1 H13 SING N N 26 
POK NH2 H14 SING N N 27 
POK CAA H15 SING N N 28 
POK CAA H16 SING N N 29 
POK OMA H17 SING N N 30 
POK OXT HXT SING N N 31 
# 
loop_
_pdbx_chem_comp_descriptor.comp_id 
_pdbx_chem_comp_descriptor.type 
_pdbx_chem_comp_descriptor.program 
_pdbx_chem_comp_descriptor.program_version 
_pdbx_chem_comp_descriptor.descriptor 
POK InChI            InChI                1.03  "InChI=1S/C8H16N4O4/c9-5(7(15)16)2-1-3-11-8(10)12-4-6(13)14/h5H,1-4,9H2,(H,13,14)(H,15,16)(H3,10,11,12)/t5-/m0/s1" 
POK InChIKey         InChI                1.03  AZYVWHCRKHJLRB-YFKPBYRVSA-N                                                                                        
POK SMILES_CANONICAL CACTVS               3.385 "N[C@@H](CCCNC(=N)NCC(O)=O)C(O)=O"                                                                                 
POK SMILES           CACTVS               3.385 "N[CH](CCCNC(=N)NCC(O)=O)C(O)=O"                                                                                   
POK SMILES_CANONICAL "OpenEye OEToolkits" 2.0.7 "[H]/N=C(\NCCC[C@@H](C(=O)O)N)/NCC(=O)O"                                                                           
POK SMILES           "OpenEye OEToolkits" 2.0.7 "C(CC(C(=O)O)N)CNC(=N)NCC(=O)O"                                                                                    
# 
_pdbx_chem_comp_identifier.comp_id           POK 
_pdbx_chem_comp_identifier.type              "SYSTEMATIC NAME" 
_pdbx_chem_comp_identifier.program           "OpenEye OEToolkits" 
_pdbx_chem_comp_identifier.program_version   2.0.7 
_pdbx_chem_comp_identifier.identifier        "(2~{S})-2-azanyl-5-[[~{N}-(2-hydroxy-2-oxoethyl)carbamimidoyl]amino]pentanoic acid" 
# 
loop_
_pdbx_chem_comp_audit.comp_id 
_pdbx_chem_comp_audit.action_type 
_pdbx_chem_comp_audit.date 
_pdbx_chem_comp_audit.processing_site 
POK "Create component" 2020-04-27 PDBE 
POK "Initial release"  2020-06-03 RCSB 
POK "Modify backbone"  2023-11-03 PDBE 
# 
