data_MAA # _chem_comp.id MAA _chem_comp.name N-methyl-L-alanine _chem_comp.type "L-peptide linking" _chem_comp.pdbx_type ATOMP _chem_comp.formula "C4 H9 N O2" _chem_comp.mon_nstd_parent_comp_id ALA _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 103.120 _chem_comp.one_letter_code A _chem_comp.three_letter_code MAA _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 1A7Z _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 MAA N N N 0 1 N N N Y Y N -3.054 14.496 13.259 -1.311 -0.577 0.238 N MAA 1 MAA CM CM C 0 1 N N N N N N -2.898 13.046 13.172 -2.604 -0.347 -0.419 CM MAA 2 MAA CA CA C 0 1 N N S Y N N -2.203 15.328 12.404 -0.293 0.359 -0.258 CA MAA 3 MAA CB CB C 0 1 N N N N N N -2.911 15.670 11.074 -0.383 1.671 0.524 CB MAA 4 MAA C C C 0 1 N N N Y N Y -1.700 16.595 13.077 1.076 -0.243 -0.074 C MAA 5 MAA O O O 0 1 N N N Y N Y -1.691 17.690 12.565 1.192 -1.339 0.421 O MAA 6 MAA OXT OXT O 0 1 N Y N Y N Y -1.117 16.320 14.292 2.166 0.440 -0.458 OXT MAA 7 MAA H HN H 0 1 N Y N Y Y N -4.001 14.700 13.010 -1.399 -0.516 1.242 H MAA 8 MAA HM1 HM1 H 0 1 N N N N N N -3.598 12.559 13.867 -2.938 0.671 -0.218 HM1 MAA 9 MAA HM2 HM2 H 0 1 N N N N N N -3.112 12.715 12.145 -2.494 -0.487 -1.495 HM2 MAA 10 MAA HM3 HM3 H 0 1 N N N N N N -1.867 12.772 13.439 -3.339 -1.054 -0.033 HM3 MAA 11 MAA HA HA H 0 1 N N N Y N N -1.313 14.716 12.196 -0.465 0.555 -1.316 HA MAA 12 MAA HB1 HB1 H 0 1 N N N N N N -2.249 16.294 10.455 -0.212 1.476 1.583 HB1 MAA 13 MAA HB2 HB2 H 0 1 N N N N N N -3.148 14.741 10.535 0.371 2.366 0.156 HB2 MAA 14 MAA HB3 HB3 H 0 1 N N N N N N -3.841 16.219 11.284 -1.374 2.107 0.391 HB3 MAA 15 MAA HXT HXT H 0 1 N Y N Y N Y -0.723 17.111 14.641 3.023 0.013 -0.320 HXT MAA 16 # 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 MAA N CM SING N N 1 MAA N CA SING N N 2 MAA N H SING N N 3 MAA CM HM1 SING N N 4 MAA CM HM2 SING N N 5 MAA CM HM3 SING N N 6 MAA CA CB SING N N 7 MAA CA C SING N N 8 MAA CA HA SING N N 9 MAA CB HB1 SING N N 10 MAA CB HB2 SING N N 11 MAA CB HB3 SING N N 12 MAA C O DOUB N N 13 MAA C OXT SING N N 14 MAA OXT HXT SING N N 15 # 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 MAA SMILES ACDLabs 12.01 "O=C(O)C(NC)C" MAA SMILES_CANONICAL CACTVS 3.370 "CN[C@@H](C)C(O)=O" MAA SMILES CACTVS 3.370 "CN[CH](C)C(O)=O" MAA SMILES_CANONICAL "OpenEye OEToolkits" 1.7.0 "C[C@@H](C(=O)O)NC" MAA SMILES "OpenEye OEToolkits" 1.7.0 "CC(C(=O)O)NC" MAA InChI InChI 1.03 "InChI=1S/C4H9NO2/c1-3(5-2)4(6)7/h3,5H,1-2H3,(H,6,7)/t3-/m0/s1" MAA InChIKey InChI 1.03 GDFAOVXKHJXLEI-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 MAA "SYSTEMATIC NAME" ACDLabs 12.01 N-methyl-L-alanine MAA "SYSTEMATIC NAME" "OpenEye OEToolkits" 1.7.0 "(2S)-2-(methylamino)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 MAA "Create component" 1999-07-08 RCSB MAA "Modify descriptor" 2011-06-04 RCSB MAA "Modify backbone" 2023-11-03 PDBE MAA "Modify PCM" 2024-09-27 PDBE # _pdbx_chem_comp_pcm.pcm_id 1 _pdbx_chem_comp_pcm.comp_id MAA _pdbx_chem_comp_pcm.modified_residue_id ALA _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 "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-0214 _pdbx_chem_comp_pcm.uniprot_generic_ptm_accession ? #