data_ACA
# 
_chem_comp.id                                    ACA 
_chem_comp.name                                  "6-AMINOHEXANOIC ACID" 
_chem_comp.type                                  "PEPTIDE LINKING" 
_chem_comp.pdbx_type                             HETAIN 
_chem_comp.formula                               "C6 H13 N O2" 
_chem_comp.mon_nstd_parent_comp_id               ? 
_chem_comp.pdbx_synonyms                         "AMINOCAPROIC ACID" 
_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                         AHA 
_chem_comp.formula_weight                        131.173 
_chem_comp.one_letter_code                       ? 
_chem_comp.three_letter_code                     ACA 
_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        3KIV 
_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 
ACA C   C1   C 0 1 N N N Y N Y 8.205  11.981 4.040 -0.069 0.002  -2.763 C1   ACA 1  
ACA O   O1   O 0 1 N N N Y N Y 7.765  12.613 3.021 -1.276 -0.016 -2.714 O1   ACA 2  
ACA OXT O2   O 0 1 N Y N Y N Y 8.233  10.745 4.247 0.553  0.016  -3.952 O2   ACA 3  
ACA C2  C2   C 0 1 N N N Y N N 8.892  12.902 5.080 0.736  0.009  -1.490 C2   ACA 4  
ACA C3  C3   C 0 1 N N N Y N N 9.542  14.069 4.264 -0.210 -0.008 -0.288 C3   ACA 5  
ACA C4  C4   C 0 1 N N N Y N N 10.072 15.150 5.241 0.607  -0.001 1.004  C4   ACA 6  
ACA C5  C5   C 0 1 N N N Y N N 10.785 14.570 6.432 -0.338 -0.020 2.207  C5   ACA 7  
ACA C6  C6   C 0 1 N N N Y N N 10.969 15.276 7.694 0.479  -0.012 3.500  C6   ACA 8  
ACA N   N6   N 0 1 N N N Y Y N 12.019 14.780 8.656 -0.428 -0.030 4.654  N6   ACA 9  
ACA HXT HO2  H 0 1 N Y N Y N Y 8.560  10.274 5.004 0.036  0.011  -4.769 HO2  ACA 10 
ACA H21 H21  H 0 1 N N N Y N N 8.205  13.252 5.885 1.351  0.909  -1.454 H21  ACA 11 
ACA H22 H22  H 0 1 N N N Y N N 9.613  12.366 5.740 1.377  -0.870 -1.461 H22  ACA 12 
ACA H31 H31  H 0 1 N N N Y N N 10.333 13.706 3.567 -0.825 -0.908 -0.323 H31  ACA 13 
ACA H32 H32  H 0 1 N N N Y N N 8.843  14.492 3.505 -0.851 0.871  -0.317 H32  ACA 14 
ACA H41 H41  H 0 1 N N N Y N N 10.720 15.883 4.708 1.222  0.897  1.040  H41  ACA 15 
ACA H42 H42  H 0 1 N N N Y N N 9.250  15.832 5.562 1.249  -0.881 1.033  H42  ACA 16 
ACA H51 H51  H 0 1 N N N Y N N 10.290 13.599 6.668 -0.953 -0.919 2.171  H51  ACA 17 
ACA H52 H52  H 0 1 N N N Y N N 11.795 14.250 6.085 -0.980 0.860  2.178  H52  ACA 18 
ACA H61 H61  H 0 1 N N N Y N N 11.156 16.354 7.480 1.094  0.886  3.535  H61  ACA 19 
ACA H62 H62  H 0 1 N N N Y N N 9.989  15.327 8.224 1.121  -0.893 3.529  H62  ACA 20 
ACA H   HN61 H 0 0 N N N Y Y N 12.147 15.274 9.539 0.151  -0.024 5.479  HN61 ACA 21 
ACA H2  HN62 H 0 0 N Y N Y Y N 12.915 14.732 8.170 -0.927 0.846  4.644  HN62 ACA 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 
ACA C   O   DOUB N N 1  
ACA C   OXT SING N N 2  
ACA C   C2  SING N N 3  
ACA OXT HXT SING N N 4  
ACA C2  C3  SING N N 5  
ACA C2  H21 SING N N 6  
ACA C2  H22 SING N N 7  
ACA C3  C4  SING N N 8  
ACA C3  H31 SING N N 9  
ACA C3  H32 SING N N 10 
ACA C4  C5  SING N N 11 
ACA C4  H41 SING N N 12 
ACA C4  H42 SING N N 13 
ACA C5  C6  SING N N 14 
ACA C5  H51 SING N N 15 
ACA C5  H52 SING N N 16 
ACA C6  N   SING N N 17 
ACA C6  H61 SING N N 18 
ACA C6  H62 SING N N 19 
ACA N   H   SING N N 20 
ACA 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 
ACA SMILES           ACDLabs              10.04 "O=C(O)CCCCCN"                                          
ACA SMILES_CANONICAL CACTVS               3.341 "NCCCCCC(O)=O"                                          
ACA SMILES           CACTVS               3.341 "NCCCCCC(O)=O"                                          
ACA SMILES_CANONICAL "OpenEye OEToolkits" 1.5.0 "C(CCC(=O)O)CCN"                                        
ACA SMILES           "OpenEye OEToolkits" 1.5.0 "C(CCC(=O)O)CCN"                                        
ACA InChI            InChI                1.03  "InChI=1S/C6H13NO2/c7-5-3-1-2-4-6(8)9/h1-5,7H2,(H,8,9)" 
ACA InChIKey         InChI                1.03  SLXKOJJOQWFEFD-UHFFFAOYSA-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 
ACA "SYSTEMATIC NAME" ACDLabs              10.04 "6-aminohexanoic acid" 
ACA "SYSTEMATIC NAME" "OpenEye OEToolkits" 1.5.0 "6-aminohexanoic 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 
ACA "Create component"         1999-07-08 RCSB 
ACA "Modify descriptor"        2011-06-04 RCSB 
ACA "Modify leaving atom flag" 2013-04-17 PDBJ 
ACA "Modify linking type"      2013-04-17 PDBJ 
ACA "Modify synonyms"          2021-03-01 PDBE 
ACA "Modify backbone"          2023-11-03 PDBE 
ACA "Modify PCM"               2024-09-27 PDBE 
# 
_pdbx_chem_comp_synonyms.ordinal      1 
_pdbx_chem_comp_synonyms.comp_id      ACA 
_pdbx_chem_comp_synonyms.name         "AMINOCAPROIC ACID" 
_pdbx_chem_comp_synonyms.provenance   ? 
_pdbx_chem_comp_synonyms.type         ? 
# 
loop_
_pdbx_chem_comp_pcm.pcm_id 
_pdbx_chem_comp_pcm.comp_id 
_pdbx_chem_comp_pcm.modified_residue_id 
_pdbx_chem_comp_pcm.type 
_pdbx_chem_comp_pcm.category 
_pdbx_chem_comp_pcm.position 
_pdbx_chem_comp_pcm.polypeptide_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 
1 ACA ?   None "Non-standard residue" "Amino-acid side chain and backbone" "Any position" ?  ? ? ? 
2 ACA LEU None Crosslinker            "Amino-acid backbone"                C-terminal     N6 C ? ? 
3 ACA LEU None Crosslinker            "Amino-acid backbone"                C-terminal     N  C ? ? 
4 ACA ARG None Crosslinker            "Amino-acid backbone"                N-terminal     C1 N ? ? 
5 ACA ARG None Crosslinker            "Amino-acid backbone"                N-terminal     C  N ? ? 
# 
