data_CMT
# 
_chem_comp.id                                    CMT 
_chem_comp.name                                  O-METHYLCYSTEINE 
_chem_comp.type                                  "L-PEPTIDE LINKING" 
_chem_comp.pdbx_type                             ATOMP 
_chem_comp.formula                               "C4 H9 N O2 S" 
_chem_comp.mon_nstd_parent_comp_id               CYS 
_chem_comp.pdbx_synonyms                         ? 
_chem_comp.pdbx_formal_charge                    0 
_chem_comp.pdbx_initial_date                     2000-01-19 
_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                        135.185 
_chem_comp.one_letter_code                       C 
_chem_comp.three_letter_code                     CMT 
_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        1DOA 
_chem_comp.pdbx_subcomponent_list                ? 
_chem_comp.pdbx_processing_site                  RCSB 
_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 
CMT N   N   N 0 1 N N N Y Y N 64.727 18.475 40.194 -1.655 -0.480 -0.700 N   CMT 1  
CMT CA  CA  C 0 1 N N R Y N N 63.908 19.657 40.433 -0.260 -0.451 -0.240 CA  CMT 2  
CMT C   C   C 0 1 N N N Y N Y 64.472 20.529 41.560 -0.215 -0.008 1.199  C   CMT 3  
CMT O   O   O 0 1 N N N Y N Y 65.700 20.779 41.538 -1.059 0.742  1.627  O   CMT 4  
CMT CB  CB  C 0 1 N N N N N N 62.475 19.214 40.749 0.540  0.528  -1.100 CB  CMT 5  
CMT SG  SG  S 0 1 N N N N N N 61.990 17.659 39.926 0.485  -0.005 -2.833 SG  CMT 6  
CMT OXT OXT O 0 1 N N N Y N Y 63.687 20.958 42.437 0.762  -0.448 2.006  OXT CMT 7  
CMT C1  C1  C 0 1 N N N N N N 66.425 21.580 42.499 0.806  -0.022 3.393  C1  CMT 8  
CMT H   H   H 0 1 N N N Y Y N 64.351 17.894 39.443 -1.630 -0.678 -1.689 H   CMT 9  
CMT H2  HN2 H 0 1 N Y N Y Y N 64.856 17.935 41.049 -2.012 0.458  -0.602 H2  CMT 10 
CMT HA  HA  H 0 1 N N N Y N N 63.913 20.285 39.512 0.171  -1.448 -0.327 HA  CMT 11 
CMT HB2 1HB H 0 1 N N N N N N 62.319 19.141 41.850 0.108  1.525  -1.013 HB2 CMT 12 
CMT HB3 2HB H 0 1 N N N N N N 61.750 20.027 40.511 1.575  0.549  -0.759 HB3 CMT 13 
CMT HG  HG  H 0 1 N Y N N N N 61.101 17.384 40.121 1.228  0.963  -3.399 HG  CMT 14 
CMT H11 1H1 H 0 1 N N N N N N 65.726 21.961 43.279 1.664  -0.478 3.887  H11 CMT 15 
CMT H12 2H1 H 0 1 N N N N N N 67.376 20.998 42.494 0.897  1.063  3.437  H12 CMT 16 
CMT H13 3H1 H 0 1 N N N N N N 67.157 22.034 41.791 -0.109 -0.330 3.897  H13 CMT 17 
# 
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 
CMT N   CA  SING N N 1  
CMT N   H   SING N N 2  
CMT N   H2  SING N N 3  
CMT CA  C   SING N N 4  
CMT CA  CB  SING N N 5  
CMT CA  HA  SING N N 6  
CMT C   O   DOUB N N 7  
CMT C   OXT SING N N 8  
CMT CB  SG  SING N N 9  
CMT CB  HB2 SING N N 10 
CMT CB  HB3 SING N N 11 
CMT SG  HG  SING N N 12 
CMT OXT C1  SING N N 13 
CMT C1  H11 SING N N 14 
CMT C1  H12 SING N N 15 
CMT C1  H13 SING N N 16 
# 
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 
CMT SMILES           ACDLabs              10.04 "O=C(OC)C(N)CS"                                                
CMT SMILES_CANONICAL CACTVS               3.341 "COC(=O)[C@@H](N)CS"                                           
CMT SMILES           CACTVS               3.341 "COC(=O)[CH](N)CS"                                             
CMT SMILES_CANONICAL "OpenEye OEToolkits" 1.5.0 "COC(=O)[C@H](CS)N"                                            
CMT SMILES           "OpenEye OEToolkits" 1.5.0 "COC(=O)C(CS)N"                                                
CMT InChI            InChI                1.03  "InChI=1S/C4H9NO2S/c1-7-4(6)3(5)2-8/h3,8H,2,5H2,1H3/t3-/m0/s1" 
CMT InChIKey         InChI                1.03  MCYHPZGUONZRGO-VKHMYHEASA-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 
CMT "SYSTEMATIC NAME" ACDLabs              10.04 "methyl L-cysteinate"                       
CMT "SYSTEMATIC NAME" "OpenEye OEToolkits" 1.5.0 "methyl (2R)-2-amino-3-sulfanyl-propanoate" 
# 
loop_
_pdbx_chem_comp_audit.comp_id 
_pdbx_chem_comp_audit.action_type 
_pdbx_chem_comp_audit.date 
_pdbx_chem_comp_audit.processing_site 
CMT "Create component"  2000-01-19 RCSB 
CMT "Modify descriptor" 2011-06-04 RCSB 
CMT "Modify backbone"   2023-11-03 PDBE 
CMT "Modify PCM"        2024-09-27 PDBE 
# 
_pdbx_chem_comp_pcm.pcm_id                             1 
_pdbx_chem_comp_pcm.comp_id                            CMT 
_pdbx_chem_comp_pcm.modified_residue_id                CYS 
_pdbx_chem_comp_pcm.type                               Methylation 
_pdbx_chem_comp_pcm.category                           "Named protein modification" 
_pdbx_chem_comp_pcm.position                           "Amino-acid backbone" 
_pdbx_chem_comp_pcm.polypeptide_position               C-terminal 
_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-0105 
_pdbx_chem_comp_pcm.uniprot_generic_ptm_accession      ? 
#