data_GAM
# 
_chem_comp.id                                    GAM 
_chem_comp.name                                  "ALPHA-METHYL-L-GLUTAMIC ACID" 
_chem_comp.type                                  "L-peptide linking" 
_chem_comp.pdbx_type                             ATOMP 
_chem_comp.formula                               "C6 H11 N O4" 
_chem_comp.mon_nstd_parent_comp_id               GLU 
_chem_comp.pdbx_synonyms                         ? 
_chem_comp.pdbx_formal_charge                    0 
_chem_comp.pdbx_initial_date                     1999-07-08 
_chem_comp.pdbx_modified_date                    2025-11-05 
_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                        161.156 
_chem_comp.one_letter_code                       E 
_chem_comp.three_letter_code                     GAM 
_chem_comp.pdbx_model_coordinates_details        ? 
_chem_comp.pdbx_model_coordinates_missing_flag   N 
_chem_comp.pdbx_ideal_coordinates_details        ? 
_chem_comp.pdbx_ideal_coordinates_missing_flag   N 
_chem_comp.pdbx_model_coordinates_db_code        1BJO 
_chem_comp.pdbx_subcomponent_list                ? 
_chem_comp.pdbx_processing_site                  EBI 
_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 
GAM CB2 CB2 C 0 1 N N N N N N 23.562 62.059 38.979 -1.172 1.437  -1.090 CB2 GAM 1  
GAM CB  CB1 C 0 1 N N N N N N 21.874 62.107 37.102 0.345  -0.035 0.239  CB1 GAM 2  
GAM CG  CG  C 0 1 N N N N N N 22.107 60.635 36.823 -0.607 0.060  1.433  CG  GAM 3  
GAM CD  CD  C 0 1 N N N N N N 20.832 59.940 36.402 0.177  -0.061 2.713  CD  GAM 4  
GAM OE2 OE1 O 0 1 N N N N N N 19.863 59.954 37.208 -0.454 -0.004 3.896  OE1 GAM 5  
GAM OE1 OE2 O 0 1 N N N N N N 20.808 59.391 35.269 1.376  -0.209 2.675  OE2 GAM 6  
GAM C   C   C 0 1 N N N Y N Y 24.241 62.860 36.670 0.486  -0.006 -2.235 C   GAM 7  
GAM O   O   O 0 1 N N N Y N Y 25.031 61.881 36.629 1.627  0.376  -2.130 O   GAM 8  
GAM OXT OXT O 0 1 N Y N Y N Y 24.305 63.872 35.907 0.054  -0.517 -3.399 OXT GAM 9  
GAM CA  CA  C 0 1 N N S Y N N 23.086 62.827 37.716 -0.451 0.087  -1.060 CA  GAM 10 
GAM N   N   N 0 1 N N N Y Y N 22.714 64.200 38.079 -1.439 -0.996 -1.133 N   GAM 11 
GAM H21 1H2 H 0 1 N N N N N N 24.440 62.581 39.424 -1.851 1.505  -0.240 H21 GAM 12 
GAM H22 2H2 H 0 1 N N N N N N 22.739 61.913 39.718 -0.439 2.241  -1.035 H22 GAM 13 
GAM H23 3H2 H 0 1 N N N N N N 23.774 60.985 38.763 -1.740 1.525  -2.016 H23 GAM 14 
GAM HB2 1H1 H 0 1 N N N N N N 21.533 62.631 36.178 0.858  -0.996 0.261  H11 GAM 15 
GAM HB3 2H1 H 0 1 N N N N N N 20.971 62.246 37.741 1.078  0.769  0.294  H12 GAM 16 
GAM HG3 1HG H 0 1 N N N N N N 22.918 60.486 36.073 -1.120 1.021  1.411  HG1 GAM 17 
GAM H1  2HG H 0 1 N N N N N N 22.580 60.125 37.694 -1.340 -0.744 1.378  HG2 GAM 18 
GAM HE2 HO1 H 0 1 N N N N N N 19.061 59.517 36.943 0.049  -0.082 4.718  HO1 GAM 19 
GAM HXT HOX H 0 1 N N N Y N Y 23.708 64.610 35.937 0.656  -0.577 -4.154 HOX GAM 20 
GAM H   1HN H 0 1 N N N Y Y N 22.401 64.704 37.249 -0.922 -1.862 -1.111 HN1 GAM 21 
GAM H2  2HN H 0 1 N N N Y Y N 23.469 64.686 38.561 -1.977 -0.957 -0.280 HN2 GAM 22 
# 
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 
GAM CB2 CA  SING N N 1  
GAM CB2 H21 SING N N 2  
GAM CB2 H22 SING N N 3  
GAM CB2 H23 SING N N 4  
GAM CB  CG  SING N N 5  
GAM CB  CA  SING N N 6  
GAM CB  HB2 SING N N 7  
GAM CB  HB3 SING N N 8  
GAM CG  CD  SING N N 9  
GAM CG  HG3 SING N N 10 
GAM CG  H1  SING N N 11 
GAM CD  OE2 SING N N 12 
GAM CD  OE1 DOUB N N 13 
GAM OE2 HE2 SING N N 14 
GAM C   O   DOUB N N 15 
GAM C   OXT SING N N 16 
GAM C   CA  SING N N 17 
GAM OXT HXT SING N N 18 
GAM CA  N   SING N N 19 
GAM N   H   SING N N 20 
GAM N   H2  SING N N 21 
# 
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 
GAM SMILES           ACDLabs              10.04 "O=C(O)CCC(N)(C(=O)O)C"                                                              
GAM SMILES_CANONICAL CACTVS               3.341 "C[C@](N)(CCC(O)=O)C(O)=O"                                                           
GAM SMILES           CACTVS               3.341 "C[C](N)(CCC(O)=O)C(O)=O"                                                            
GAM SMILES_CANONICAL "OpenEye OEToolkits" 1.5.0 "C[C@](CCC(=O)O)(C(=O)O)N"                                                           
GAM SMILES           "OpenEye OEToolkits" 1.5.0 "CC(CCC(=O)O)(C(=O)O)N"                                                              
GAM InChI            InChI                1.03  "InChI=1S/C6H11NO4/c1-6(7,5(10)11)3-2-4(8)9/h2-3,7H2,1H3,(H,8,9)(H,10,11)/t6-/m0/s1" 
GAM InChIKey         InChI                1.03  QHSCIWIRXWFIGH-LURJTMIESA-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 
GAM "SYSTEMATIC NAME" ACDLabs              10.04 "2-methyl-L-glutamic acid"                
GAM "SYSTEMATIC NAME" "OpenEye OEToolkits" 1.5.0 "(2S)-2-amino-2-methyl-pentanedioic 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 
GAM "Create component"         1999-07-08 EBI  
GAM "Modify descriptor"        2011-06-04 RCSB 
GAM "Modify component atom id" 2025-11-05 RCSB 
GAM "Modify linking type"      2025-11-05 RCSB 
GAM "Modify PCM"               2025-11-05 RCSB 
GAM "Modify parent residue"    2025-11-05 RCSB 
GAM "Modify one letter code"   2025-11-05 RCSB 
# 
_pdbx_chem_comp_pcm.pcm_id                             1 
_pdbx_chem_comp_pcm.comp_id                            GAM 
_pdbx_chem_comp_pcm.modified_residue_id                GLU 
_pdbx_chem_comp_pcm.type                               None 
_pdbx_chem_comp_pcm.category                           "Non-standard residue" 
_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     ? 
_pdbx_chem_comp_pcm.uniprot_generic_ptm_accession      ? 
# 
