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 ? #