data_2AS # _chem_comp.id 2AS _chem_comp.name "(2S,3S)-3-methyl-aspartic acid" _chem_comp.type "L-peptide linking" _chem_comp.pdbx_type HETAIN _chem_comp.formula "C5 H9 N O4" _chem_comp.mon_nstd_parent_comp_id ? _chem_comp.pdbx_synonyms ? _chem_comp.pdbx_formal_charge 0 _chem_comp.pdbx_initial_date 1999-08-05 _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 147.129 _chem_comp.one_letter_code X _chem_comp.three_letter_code 2AS _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 1W3M _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 2AS C C C 0 1 N N N Y N Y 36.650 12.338 31.304 -1.907 -0.041 -0.212 C 2AS 1 2AS O O O 0 1 N N N Y N Y 37.722 12.306 30.708 -2.522 0.151 0.810 O 2AS 2 2AS CA CA C 0 1 N N S Y N N 35.675 11.207 31.114 -0.515 0.514 -0.368 CA 2AS 3 2AS N N N 0 1 N N N Y Y N 34.297 11.629 31.252 -0.312 1.608 0.591 N 2AS 4 2AS CB CB C 0 1 N N S N N N 35.944 10.485 29.757 0.508 -0.593 -0.103 CB 2AS 5 2AS CG CG C 0 1 N N N N N N 37.329 9.792 29.783 1.901 -0.038 -0.259 CG 2AS 6 2AS OD1 OD1 O 0 1 N N N N N N 37.633 9.208 30.866 2.965 -0.834 -0.072 OD1 2AS 7 2AS C4 C4 C 0 1 N N N N N N 34.845 9.505 29.406 0.328 -1.123 1.321 C4 2AS 8 2AS OD2 OD2 O 0 1 N N N N N N 38.066 9.799 28.788 2.059 1.123 -0.553 OD2 2AS 9 2AS OXT OXT O 0 1 N Y N Y N Y 36.345 13.303 32.163 -2.461 -0.753 -1.205 OXT 2AS 10 2AS HA HA H 0 1 N N N Y N N 35.840 10.482 31.924 -0.386 0.891 -1.383 HA 2AS 11 2AS H H H 0 1 N N N Y Y N 33.692 10.844 31.117 -0.933 2.379 0.395 H 2AS 12 2AS H2 H2 H 0 1 N Y N Y Y N 34.154 12.006 32.167 -0.426 1.283 1.539 H2 2AS 13 2AS HB2 HB2 H 0 1 N N N N N N 35.949 11.249 28.966 0.358 -1.405 -0.814 HB2 2AS 14 2AS H4 H4 H 0 1 N N N N N N 35.077 9.022 28.445 -0.679 -1.524 1.435 H4 2AS 15 2AS H4A H4A H 0 1 N N N N N N 34.771 8.740 30.193 1.056 -1.911 1.511 H4A 2AS 16 2AS H4B H4B H 0 1 N N N N N N 33.888 10.041 29.325 0.477 -0.311 2.033 H4B 2AS 17 2AS HD2 HD2 H 0 1 N N N N N N 38.486 8.799 30.777 3.838 -0.433 -0.184 HD2 2AS 18 2AS HXT HXT H 0 1 N Y N Y N Y 37.068 13.917 32.220 -3.355 -1.092 -1.057 HXT 2AS 19 # 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 2AS C O DOUB N N 1 2AS C CA SING N N 2 2AS C OXT SING N N 3 2AS CA N SING N N 4 2AS CA CB SING N N 5 2AS CA HA SING N N 6 2AS N H SING N N 7 2AS N H2 SING N N 8 2AS CB CG SING N N 9 2AS CB C4 SING N N 10 2AS CB HB2 SING N N 11 2AS CG OD1 SING N N 12 2AS CG OD2 DOUB N N 13 2AS C4 H4 SING N N 14 2AS C4 H4A SING N N 15 2AS C4 H4B SING N N 16 2AS OD1 HD2 SING N N 17 2AS OXT HXT SING N N 18 # 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 2AS SMILES ACDLabs 10.04 "O=C(O)C(C)C(N)C(=O)O" 2AS SMILES_CANONICAL CACTVS 3.352 "C[C@H]([C]O)[C@H](N)[C](O)(=O)=O" 2AS SMILES CACTVS 3.352 "C[CH]([C]O)[CH](N)[C](O)(=O)=O" 2AS SMILES_CANONICAL "OpenEye OEToolkits" 1.7.0 "C[C@H]([C]O)[C@@H](C(=O)(=O)O)N" 2AS SMILES "OpenEye OEToolkits" 1.7.0 "CC([C]O)C(C(=O)(=O)O)N" 2AS InChI InChI 1.03 "InChI=1S/C5H9NO4/c1-2(4(7)8)3(6)5(9)10/h2-3H,6H2,1H3,(H,7,8)(H,9,10)/t2-,3-/m0/s1" 2AS InChIKey InChI 1.03 LXRUAYBIUSUULX-HRFVKAFMSA-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 2AS "SYSTEMATIC NAME" ACDLabs 10.04 "(3S)-3-methyl-L-aspartic acid" 2AS "SYSTEMATIC NAME" "OpenEye OEToolkits" 1.6.1 "(2S,3S)-2-azanyl-1,4-dihydroxy-3-methyl-butane-1,1-dione" # loop_ _pdbx_chem_comp_audit.comp_id _pdbx_chem_comp_audit.action_type _pdbx_chem_comp_audit.date _pdbx_chem_comp_audit.processing_site 2AS "Create component" 1999-08-05 RCSB 2AS "Modify descriptor" 2011-06-04 RCSB 2AS "Modify backbone" 2023-11-03 PDBE 2AS "Modify PCM" 2024-09-27 PDBE # _pdbx_chem_comp_pcm.pcm_id 1 _pdbx_chem_comp_pcm.comp_id 2AS _pdbx_chem_comp_pcm.modified_residue_id ASP _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 ? _pdbx_chem_comp_pcm.uniprot_generic_ptm_accession ? #