data_A1LUD
# 
_chem_comp.id                                    A1LUD 
_chem_comp.name                                  S-METHYL-METHIONINE 
_chem_comp.type                                  "L-PEPTIDE LINKING" 
_chem_comp.pdbx_type                             ATOMP 
_chem_comp.formula                               "C6 H14 N O2 S" 
_chem_comp.mon_nstd_parent_comp_id               MET 
_chem_comp.pdbx_synonyms                         "(3-azanyl-4-oxidanyl-4-oxidanylidene-butyl)-dimethyl-sulfanium" 
_chem_comp.pdbx_formal_charge                    1 
_chem_comp.pdbx_initial_date                     2024-01-22 
_chem_comp.pdbx_modified_date                    2025-08-15 
_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                        164.246 
_chem_comp.one_letter_code                       M 
_chem_comp.three_letter_code                     A1LUD 
_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        ? 
_chem_comp.pdbx_subcomponent_list                ? 
_chem_comp.pdbx_processing_site                  PDBE 
_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_n_terminal_atom_flag 
_chem_comp_atom.pdbx_backbone_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 
A1LUD CE  CE  C 0 1 N N N N N N -3.168 -1.011 0.768  2.618  1.749  0.135  CE  A1LUD 1  
A1LUD SD  SD  S 1 1 N N N N N N -2.109 -0.177 -0.403 2.459  0.055  -0.493 SD  A1LUD 2  
A1LUD C2  C2  C 0 1 N N N N N N -2.285 1.517  0.137  3.816  -0.818 0.337  C2  A1LUD 3  
A1LUD CG  CG  C 0 1 N N N N N N -0.474 -0.591 0.228  0.988  -0.563 0.370  CG  A1LUD 4  
A1LUD CB  CB  C 0 1 N N N N N N 0.650  0.064  -0.553 -0.263 0.088  -0.224 CB  A1LUD 5  
A1LUD CA  CA  C 0 1 N N S N Y N 2.026  -0.583 -0.342 -1.504 -0.433 0.504  CA  A1LUD 6  
A1LUD N   N   N 0 1 N N N Y Y N 2.491  -0.448 1.040  -1.655 -1.871 0.245  N   A1LUD 7  
A1LUD C   C   C 0 1 N N N N Y Y 3.041  -0.010 -1.320 -2.723 0.298  0.005  C   A1LUD 8  
A1LUD OXT OXT O 0 1 N Y N N Y Y 3.293  1.259  -1.096 -3.007 1.525  0.470  OXT A1LUD 9  
A1LUD O   O   O 0 1 N N N N Y Y 3.553  -0.662 -2.203 -3.445 -0.220 -0.814 O   A1LUD 10 
A1LUD HE1 HE1 H 0 1 N N N N N N -3.165 -2.091 0.561  3.598  2.145  -0.133 HE1 A1LUD 11 
A1LUD HE2 HE2 H 0 1 N N N N N N -2.798 -0.832 1.788  1.841  2.374  -0.304 HE2 A1LUD 12 
A1LUD HE3 HE3 H 0 1 N N N N N N -4.193 -0.623 0.676  2.513  1.746  1.220  HE3 A1LUD 13 
A1LUD H4  H4  H 0 1 N N N N N N -1.676 2.172  -0.504 3.815  -0.565 1.398  H4  A1LUD 14 
A1LUD H5  H5  H 0 1 N N N N N N -3.341 1.816  0.068  3.682  -1.893 0.220  H5  A1LUD 15 
A1LUD H6  H6  H 0 1 N N N N N N -1.946 1.606  1.180  4.765  -0.519 -0.107 H6  A1LUD 16 
A1LUD HG2 HG2 H 0 1 N N N N N N -0.410 -0.262 1.276  0.925  -1.645 0.251  HG2 A1LUD 17 
A1LUD HG3 HG3 H 0 1 N N N N N N -0.345 -1.682 0.177  1.058  -0.317 1.429  HG3 A1LUD 18 
A1LUD HB2 HB2 H 0 1 N N N N N N 0.404  0.008  -1.624 -0.200 1.170  -0.105 HB2 A1LUD 19 
A1LUD HB3 HB3 H 0 1 N N N N N N 0.714  1.118  -0.246 -0.333 -0.158 -1.283 HB3 A1LUD 20 
A1LUD HA  HA  H 0 1 N N N N Y N 1.921  -1.655 -0.565 -1.393 -0.266 1.576  HA  A1LUD 21 
A1LUD H   H   H 0 1 N N N Y Y N 3.387  -0.881 1.134  -2.430 -2.253 0.766  H   A1LUD 22 
A1LUD H2  H2  H 0 1 N Y N Y Y N 2.563  0.522  1.274  -1.759 -2.052 -0.742 H2  A1LUD 23 
A1LUD HXT HXT H 0 1 N Y N N Y Y 3.929  1.572  -1.728 -3.800 1.954  0.120  HXT A1LUD 24 
# 
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 
A1LUD CE  SD  SING N N 1  
A1LUD SD  C2  SING N N 2  
A1LUD SD  CG  SING N N 3  
A1LUD CG  CB  SING N N 4  
A1LUD CB  CA  SING N N 5  
A1LUD CA  N   SING N N 6  
A1LUD CA  C   SING N N 7  
A1LUD C   OXT SING N N 8  
A1LUD C   O   DOUB N N 9  
A1LUD CE  HE1 SING N N 10 
A1LUD CE  HE2 SING N N 11 
A1LUD CE  HE3 SING N N 12 
A1LUD C2  H4  SING N N 13 
A1LUD C2  H5  SING N N 14 
A1LUD C2  H6  SING N N 15 
A1LUD CG  HG2 SING N N 16 
A1LUD CG  HG3 SING N N 17 
A1LUD CB  HB2 SING N N 18 
A1LUD CB  HB3 SING N N 19 
A1LUD CA  HA  SING N N 20 
A1LUD N   H   SING N N 21 
A1LUD N   H2  SING N N 22 
A1LUD 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 
A1LUD InChI            InChI                1.06  "InChI=1S/C6H13NO2S/c1-10(2)4-3-5(7)6(8)9/h5H,3-4,7H2,1-2H3/p+1/t5-/m0/s1" 
A1LUD InChIKey         InChI                1.06  YDBYJHTYSHBBAU-YFKPBYRVSA-O                                                
A1LUD SMILES_CANONICAL CACTVS               3.385 "C[S+](C)CC[C@H](N)C(O)=O"                                                 
A1LUD SMILES           CACTVS               3.385 "C[S+](C)CC[CH](N)C(O)=O"                                                  
A1LUD SMILES_CANONICAL "OpenEye OEToolkits" 2.0.7 "C[S+](C)CCC(C(=O)O)N"                                                     
A1LUD SMILES           "OpenEye OEToolkits" 2.0.7 "C[S+](C)CCC(C(=O)O)N"                                                     
# 
_pdbx_chem_comp_identifier.comp_id           A1LUD 
_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        "(3-azanyl-4-oxidanyl-4-oxidanylidene-butyl)-dimethyl-sulfanium" 
# 
loop_
_pdbx_chem_comp_audit.comp_id 
_pdbx_chem_comp_audit.action_type 
_pdbx_chem_comp_audit.date 
_pdbx_chem_comp_audit.processing_site 
A1LUD "Create component"   2024-02-14 PDBE 
A1LUD "Modify descriptor"  2024-02-14 PDBE 
A1LUD "Other modification" 2024-02-14 PDBE 
A1LUD "Modify PCM"         2024-09-27 PDBE 
A1LUD "Initial release"    2025-08-20 RCSB 
# 
_pdbx_chem_comp_synonyms.ordinal      1 
_pdbx_chem_comp_synonyms.comp_id      A1LUD 
_pdbx_chem_comp_synonyms.name         "(3-azanyl-4-oxidanyl-4-oxidanylidene-butyl)-dimethyl-sulfanium" 
_pdbx_chem_comp_synonyms.provenance   PDB 
_pdbx_chem_comp_synonyms.type         ? 
# 
_pdbx_chem_comp_pcm.pcm_id                             1 
_pdbx_chem_comp_pcm.comp_id                            A1LUD 
_pdbx_chem_comp_pcm.modified_residue_id                MET 
_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-0636 
_pdbx_chem_comp_pcm.uniprot_generic_ptm_accession      ? 
# 
