data_MHS
# 
_chem_comp.id                                    MHS 
_chem_comp.name                                  "N1-METHYLATED HISTIDINE" 
_chem_comp.type                                  "L-PEPTIDE LINKING" 
_chem_comp.pdbx_type                             ATOMP 
_chem_comp.formula                               "C7 H11 N3 O2" 
_chem_comp.mon_nstd_parent_comp_id               HIS 
_chem_comp.pdbx_synonyms                         ? 
_chem_comp.pdbx_formal_charge                    0 
_chem_comp.pdbx_initial_date                     1999-07-08 
_chem_comp.pdbx_modified_date                    2024-09-27 
_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                        169.181 
_chem_comp.one_letter_code                       H 
_chem_comp.three_letter_code                     MHS 
_chem_comp.pdbx_model_coordinates_details        ? 
_chem_comp.pdbx_model_coordinates_missing_flag   N 
_chem_comp.pdbx_ideal_coordinates_details        ? 
_chem_comp.pdbx_ideal_coordinates_missing_flag   N 
_chem_comp.pdbx_model_coordinates_db_code        1E6Y 
_chem_comp.pdbx_subcomponent_list                ? 
_chem_comp.pdbx_processing_site                  PDBJ 
_chem_comp.pdbx_pcm                              Y 
# 
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 
MHS N   N   N 0 1 N N N Y Y N 62.177 60.050 59.701 -1.464 0.955  -1.050 N   MHS 1  
MHS CA  CA  C 0 1 N N S Y N N 61.435 60.124 58.437 -0.106 0.415  -1.204 CA  MHS 2  
MHS C   C   C 0 1 N N N Y N Y 60.753 58.820 58.089 0.115  0.018  -2.641 C   MHS 3  
MHS O   O   O 0 1 N N N Y N Y 59.508 58.719 58.067 -0.815 -0.351 -3.316 O   MHS 4  
MHS CB  CB  C 0 1 N N N N N N 62.367 60.552 57.277 0.059  -0.811 -0.305 CB  MHS 5  
MHS CG  CG  C 0 1 Y N N N N N 62.970 61.909 57.496 -0.162 -0.414 1.131  CG  MHS 6  
MHS ND1 ND1 N 0 1 Y N N N N N 62.288 63.107 57.474 0.790  0.013  2.016  ND1 MHS 7  
MHS CD2 CD2 C 0 1 Y N N N N N 64.253 62.193 57.879 -1.334 -0.420 1.794  CD2 MHS 8  
MHS CE1 CE1 C 0 1 Y N N N N N 63.158 64.082 57.785 0.165  0.262  3.187  CE1 MHS 9  
MHS NE2 NE2 N 0 1 Y N N N N N 64.343 63.545 58.028 -1.105 0.000  3.046  NE2 MHS 10 
MHS CM  CM  C 0 1 N N N N N N 60.789 63.308 57.037 2.220  0.176  1.742  CM  MHS 11 
MHS OXT OXT O 0 1 N Y N Y N Y 61.556 57.795 57.817 1.347  0.076  -3.171 OXT MHS 12 
MHS H   H   H 0 1 N N N Y Y N 62.637 60.929 59.935 -1.604 1.109  -0.062 H   MHS 13 
MHS H2  HN2 H 0 1 N Y N Y Y N 62.843 59.278 59.690 -2.100 0.221  -1.322 H2  MHS 14 
MHS HA  HA  H 0 1 N N N Y N N 60.641 60.893 58.579 0.621  1.175  -0.921 HA  MHS 15 
MHS HB2 1HB H 0 1 N N N N N N 63.156 59.786 57.093 1.067  -1.211 -0.420 HB2 MHS 16 
MHS HB3 2HB H 0 1 N N N N N N 61.837 60.501 56.297 -0.668 -1.571 -0.589 HB3 MHS 17 
MHS HD2 HD2 H 0 1 N N N N N N 65.066 61.465 58.038 -2.292 -0.710 1.387  HD2 MHS 18 
MHS HE1 HE1 H 0 1 N N N N N N 62.933 65.160 57.833 0.638  0.619  4.090  HE1 MHS 19 
MHS HM1 1HM H 0 1 N N N N N N 60.237 64.276 57.019 2.742  -0.752 1.970  HM1 MHS 20 
MHS HM2 2HM H 0 1 N N N N N N 60.698 62.874 56.013 2.363  0.425  0.691  HM2 MHS 21 
MHS HM3 3HM H 0 1 N N N N N N 60.182 62.611 57.661 2.620  0.978  2.363  HM3 MHS 22 
MHS HXT HXT H 0 1 N Y N Y N Y 61.127 56.975 57.598 1.489  -0.178 -4.093 HXT MHS 23 
# 
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 
MHS N   CA  SING N N 1  
MHS N   H   SING N N 2  
MHS N   H2  SING N N 3  
MHS CA  C   SING N N 4  
MHS CA  CB  SING N N 5  
MHS CA  HA  SING N N 6  
MHS C   O   DOUB N N 7  
MHS C   OXT SING N N 8  
MHS CB  CG  SING N N 9  
MHS CB  HB2 SING N N 10 
MHS CB  HB3 SING N N 11 
MHS CG  ND1 SING Y N 12 
MHS CG  CD2 DOUB Y N 13 
MHS ND1 CE1 SING Y N 14 
MHS ND1 CM  SING N N 15 
MHS CD2 NE2 SING Y N 16 
MHS CD2 HD2 SING N N 17 
MHS CE1 NE2 DOUB Y N 18 
MHS CE1 HE1 SING N N 19 
MHS CM  HM1 SING N N 20 
MHS CM  HM2 SING N N 21 
MHS CM  HM3 SING N N 22 
MHS OXT HXT SING N N 23 
# 
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 
MHS SMILES           ACDLabs              10.04 "O=C(O)C(N)Cc1cncn1C"                                                                     
MHS SMILES_CANONICAL CACTVS               3.341 "Cn1cncc1C[C@H](N)C(O)=O"                                                                 
MHS SMILES           CACTVS               3.341 "Cn1cncc1C[CH](N)C(O)=O"                                                                  
MHS SMILES_CANONICAL "OpenEye OEToolkits" 1.5.0 "Cn1cncc1C[C@@H](C(=O)O)N"                                                                
MHS SMILES           "OpenEye OEToolkits" 1.5.0 "Cn1cncc1CC(C(=O)O)N"                                                                     
MHS InChI            InChI                1.03  "InChI=1S/C7H11N3O2/c1-10-4-9-3-5(10)2-6(8)7(11)12/h3-4,6H,2,8H2,1H3,(H,11,12)/t6-/m0/s1" 
MHS InChIKey         InChI                1.03  JDHILDINMRGULE-LURJTMIESA-N                                                               
# 
loop_
_pdbx_chem_comp_identifier.comp_id 
_pdbx_chem_comp_identifier.type 
_pdbx_chem_comp_identifier.program 
_pdbx_chem_comp_identifier.program_version 
_pdbx_chem_comp_identifier.identifier 
MHS "SYSTEMATIC NAME" ACDLabs              10.04 3-methyl-L-histidine                                   
MHS "SYSTEMATIC NAME" "OpenEye OEToolkits" 1.5.0 "(2S)-2-amino-3-(3-methylimidazol-4-yl)propanoic 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 
MHS "Create component"  1999-07-08 PDBJ 
MHS "Modify descriptor" 2011-06-04 RCSB 
MHS "Modify backbone"   2023-11-03 PDBE 
MHS "Modify PCM"        2024-09-27 PDBE 
# 
_pdbx_chem_comp_pcm.pcm_id                             1 
_pdbx_chem_comp_pcm.comp_id                            MHS 
_pdbx_chem_comp_pcm.modified_residue_id                HIS 
_pdbx_chem_comp_pcm.type                               Methylation 
_pdbx_chem_comp_pcm.category                           "Named protein modification" 
_pdbx_chem_comp_pcm.position                           "Amino-acid side chain" 
_pdbx_chem_comp_pcm.polypeptide_position               "Any position" 
_pdbx_chem_comp_pcm.comp_id_linking_atom               ? 
_pdbx_chem_comp_pcm.modified_residue_id_linking_atom   ? 
_pdbx_chem_comp_pcm.uniprot_specific_ptm_accession     PTM-0259 
_pdbx_chem_comp_pcm.uniprot_generic_ptm_accession      PTM-0176 
# 
