data_MA
# 
_chem_comp.id                                    MA 
_chem_comp.name                                  "METHYL L-ALANINATE" 
_chem_comp.type                                  "L-PEPTIDE COOH CARBOXY TERMINUS" 
_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                     2008-07-10 
_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                     MA 
_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        1QRP 
_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 
MA N    N    N 0 1 N N N Y Y N 7.601 13.623 15.747 2.033  0.887  -0.351 N    MA 1  
MA CA   CA   C 0 1 N N S Y N N 6.692 13.028 16.747 1.130  -0.270 -0.422 CA   MA 2  
MA C    C    C 0 1 N N N Y N Y 7.352 12.943 18.139 -0.263 0.157  -0.038 C    MA 3  
MA O    O    O 0 1 N N N Y N Y 8.303 12.182 18.342 -0.431 1.171  0.598  O    MA 4  
MA CB   CB   C 0 1 N N N N N N 6.304 11.621 16.275 1.615  -1.356 0.540  CB   MA 5  
MA OXT  OXT  O 0 1 N N N Y N Y 7.298 13.459 19.496 -1.318 -0.590 -0.401 OXT  MA 6  
MA CH3  CH3  C 0 1 N N N N N N 8.428 13.257 20.389 -2.630 -0.118 0.004  CH3  MA 7  
MA H    HN   H 0 1 N N N Y Y N 7.109 13.758 14.887 1.772  1.592  -1.024 HN   MA 8  
MA H2   HNA  H 0 1 N Y N Y Y N 7.934 14.505 16.082 2.058  1.269  0.582  HNA  MA 9  
MA HA   HA   H 0 1 N N N Y N N 5.803 13.669 16.840 1.122  -0.663 -1.439 HA   MA 10 
MA HB   HB   H 0 1 N N N N N N 6.211 11.614 15.179 1.623  -0.963 1.557  HB   MA 11 
MA HBA  HBA  H 0 1 N N N N N N 7.080 10.905 16.582 0.945  -2.214 0.488  HBA  MA 12 
MA HBB  HBB  H 0 1 N N N N N N 5.342 11.335 16.726 2.623  -1.664 0.262  HBB  MA 13 
MA HH3  HH3  H 0 1 N N N N N N 9.356 13.206 19.801 -2.675 -0.058 1.091  HH3  MA 14 
MA HH3A HH3A H 0 0 N N N N N N 8.489 14.096 21.098 -2.809 0.869  -0.422 HH3A MA 15 
MA HH3B HH3B H 0 0 N N N N N N 8.293 12.316 20.943 -3.392 -0.811 -0.353 HH3B MA 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 
MA N   CA   SING N N 1  
MA CA  C    SING N N 2  
MA CA  CB   SING N N 3  
MA C   O    DOUB N N 4  
MA C   OXT  SING N N 5  
MA OXT CH3  SING N N 6  
MA N   H    SING N N 7  
MA N   H2   SING N N 8  
MA CA  HA   SING N N 9  
MA CB  HB   SING N N 10 
MA CB  HBA  SING N N 11 
MA CB  HBB  SING N N 12 
MA CH3 HH3  SING N N 13 
MA CH3 HH3A SING N N 14 
MA CH3 HH3B 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 
MA SMILES           ACDLabs              10.04 "O=C(OC)C(N)C"                                            
MA SMILES_CANONICAL CACTVS               3.341 "COC(=O)[C@H](C)N"                                        
MA SMILES           CACTVS               3.341 "COC(=O)[CH](C)N"                                         
MA SMILES_CANONICAL "OpenEye OEToolkits" 1.5.0 "C[C@@H](C(=O)OC)N"                                       
MA SMILES           "OpenEye OEToolkits" 1.5.0 "CC(C(=O)OC)N"                                            
MA InChI            InChI                1.03  "InChI=1S/C4H9NO2/c1-3(5)4(6)7-2/h3H,5H2,1-2H3/t3-/m0/s1" 
MA InChIKey         InChI                1.03  DWKPPFQULDPWHX-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 
MA "SYSTEMATIC NAME" ACDLabs              10.04 "methyl L-alaninate"            
MA "SYSTEMATIC NAME" "OpenEye OEToolkits" 1.5.0 "methyl (2S)-2-aminopropanoate" 
# 
loop_
_pdbx_chem_comp_audit.comp_id 
_pdbx_chem_comp_audit.action_type 
_pdbx_chem_comp_audit.date 
_pdbx_chem_comp_audit.processing_site 
MA "Create component"  2008-07-10 RCSB 
MA "Modify descriptor" 2011-06-04 RCSB 
MA "Modify backbone"   2023-11-03 PDBE 
MA "Modify PCM"        2024-09-27 PDBE 
# 
_pdbx_chem_comp_pcm.pcm_id                             1 
_pdbx_chem_comp_pcm.comp_id                            MA 
_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               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     ? 
_pdbx_chem_comp_pcm.uniprot_generic_ptm_accession      ? 
# 
