data_3AH
# 
_chem_comp.id                                    3AH 
_chem_comp.name                                  "[HISTIDIN-1-YL-4H-[1,2,4]TRIAZOL-5-YL]-AMINE" 
_chem_comp.type                                  "L-PEPTIDE LINKING" 
_chem_comp.pdbx_type                             ATOMP 
_chem_comp.formula                               "C8 H11 N7 O2" 
_chem_comp.mon_nstd_parent_comp_id               HIS 
_chem_comp.pdbx_synonyms                         ? 
_chem_comp.pdbx_formal_charge                    0 
_chem_comp.pdbx_initial_date                     1999-12-01 
_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                        237.219 
_chem_comp.one_letter_code                       H 
_chem_comp.three_letter_code                     3AH 
_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        1DGH 
_chem_comp.pdbx_subcomponent_list                ? 
_chem_comp.pdbx_processing_site                  RCSB 
_chem_comp.pdbx_pcm                              N 
# 
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 
3AH N    N    N 0 1 N N N N N N 15.250 22.957 22.333 1.123  1.205  2.629  N    3AH 1  
3AH CA   CA   C 0 1 N N S N N N 14.238 23.957 21.997 0.032  0.404  3.201  CA   3AH 2  
3AH CB   CB   C 0 1 N N N N N N 12.853 23.514 22.451 -0.229 -0.811 2.310  CB   3AH 3  
3AH CG   CG   C 0 1 Y N N N N N 12.372 22.254 21.819 -0.617 -0.348 0.930  CG   3AH 4  
3AH CD2  CD2  C 0 1 Y N N N N N 11.482 22.037 20.821 0.038  -0.631 -0.210 CD2  3AH 5  
3AH ND1  ND1  N 0 1 Y N N N N N 12.804 21.013 22.230 -1.679 0.412  0.625  ND1  3AH 6  
3AH CE1  CE1  C 0 1 Y N N N N N 12.198 20.079 21.513 -1.707 0.622  -0.661 CE1  3AH 7  
3AH NE2  NE2  N 0 1 Y N N N N N 11.390 20.672 20.651 -0.648 -0.017 -1.227 NE2  3AH 8  
3AH C    C    C 0 1 N N N N N N 14.544 25.311 22.633 0.420  -0.058 4.582  C    3AH 9  
3AH O    O    O 0 1 N N N N N N 13.630 26.053 23.011 1.583  -0.252 4.850  O    3AH 10 
3AH N1   N1   N 0 1 Y N N N N N 9.578  20.013 19.351 -1.195 -0.151 -3.603 N1   3AH 11 
3AH N2   N2   N 0 1 Y N N N N N 9.012  18.857 19.004 -0.432 -0.135 -4.781 N2   3AH 12 
3AH C3   C3   C 0 1 Y N N N N N 9.945  17.992 19.218 0.823  -0.023 -4.420 C3   3AH 13 
3AH N4   N4   N 0 1 Y N N N N N 11.107 18.426 19.666 0.887  0.037  -3.086 N4   3AH 14 
3AH C5   C5   C 0 1 Y N N N N N 10.861 19.716 19.753 -0.323 -0.043 -2.581 C5   3AH 15 
3AH N3A  N3A  N 0 1 N N N N N N 9.807  16.629 18.999 1.916  0.029  -5.287 N3A  3AH 16 
3AH OXT  OXT  O 0 1 N Y N N N N 15.830 25.605 22.801 -0.524 -0.256 5.514  OXT  3AH 17 
3AH H    H    H 0 1 N N N N N N 16.177 23.253 22.029 0.866  1.404  1.674  H    3AH 18 
3AH H2   HN2  H 0 1 N Y N N N N 15.008 22.039 21.959 1.934  0.605  2.592  H2   3AH 19 
3AH HA   HA   H 0 1 N N N N N N 14.257 24.060 20.887 -0.870 1.011  3.262  HA   3AH 20 
3AH HB2  1HB  H 0 1 N N N N N N 12.816 23.430 23.562 0.673  -1.418 2.249  HB2  3AH 21 
3AH HB3  2HB  H 0 1 N N N N N N 12.112 24.333 22.296 -1.038 -1.405 2.735  HB3  3AH 22 
3AH HD2  HD2  H 0 1 N N N N N N 10.940 22.816 20.258 0.934  -1.227 -0.307 HD2  3AH 23 
3AH HE1  HE1  H 0 1 N N N N N N 12.342 18.990 21.616 -2.448 1.204  -1.190 HE1  3AH 24 
3AH HN1  HN1  H 0 1 N N N N N N 9.126  20.927 19.316 -2.160 -0.224 -3.537 HN1  3AH 25 
3AH HN31 1HN3 H 0 0 N N N N N N 10.544 15.945 19.168 1.776  -0.018 -6.246 HN31 3AH 26 
3AH HN32 2HN3 H 0 0 N N N N N N 9.506  16.510 18.031 2.814  0.114  -4.931 HN32 3AH 27 
3AH HXT  HXT  H 0 1 N Y N N N N 16.020 26.447 23.196 -0.275 -0.553 6.400  HXT  3AH 28 
# 
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 
3AH N   CA   SING N N 1  
3AH N   H    SING N N 2  
3AH N   H2   SING N N 3  
3AH CA  CB   SING N N 4  
3AH CA  C    SING N N 5  
3AH CA  HA   SING N N 6  
3AH CB  CG   SING N N 7  
3AH CB  HB2  SING N N 8  
3AH CB  HB3  SING N N 9  
3AH CG  CD2  DOUB Y N 10 
3AH CG  ND1  SING Y N 11 
3AH CD2 NE2  SING Y N 12 
3AH CD2 HD2  SING N N 13 
3AH ND1 CE1  DOUB Y N 14 
3AH CE1 NE2  SING Y N 15 
3AH CE1 HE1  SING N N 16 
3AH NE2 C5   SING Y N 17 
3AH C   O    DOUB N N 18 
3AH C   OXT  SING N N 19 
3AH N1  N2   SING Y N 20 
3AH N1  C5   SING Y N 21 
3AH N1  HN1  SING N N 22 
3AH N2  C3   DOUB Y N 23 
3AH C3  N4   SING Y N 24 
3AH C3  N3A  SING N N 25 
3AH N4  C5   DOUB Y N 26 
3AH N3A HN31 SING N N 27 
3AH N3A HN32 SING N N 28 
3AH OXT HXT  SING N N 29 
# 
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 
3AH SMILES           ACDLabs              10.04 "O=C(O)C(N)Cc2ncn(c1nc(nn1)N)c2"                                                                                      
3AH SMILES_CANONICAL CACTVS               3.341 "N[C@@H](Cc1cn(cn1)c2[nH]nc(N)n2)C(O)=O"                                                                              
3AH SMILES           CACTVS               3.341 "N[CH](Cc1cn(cn1)c2[nH]nc(N)n2)C(O)=O"                                                                                
3AH SMILES_CANONICAL "OpenEye OEToolkits" 1.5.0 "c1c(ncn1c2[nH]nc(n2)N)C[C@@H](C(=O)O)N"                                                                              
3AH SMILES           "OpenEye OEToolkits" 1.5.0 "c1c(ncn1c2[nH]nc(n2)N)CC(C(=O)O)N"                                                                                   
3AH InChI            InChI                1.03  "InChI=1S/C8H11N7O2/c9-5(6(16)17)1-4-2-15(3-11-4)8-12-7(10)13-14-8/h2-3,5H,1,9H2,(H,16,17)(H3,10,12,13,14)/t5-/m0/s1" 
3AH InChIKey         InChI                1.03  ATVJZXZPVGVZKA-YFKPBYRVSA-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 
3AH "SYSTEMATIC NAME" ACDLabs              10.04 "1-(3-amino-1H-1,2,4-triazol-5-yl)-L-histidine"                                 
3AH "SYSTEMATIC NAME" "OpenEye OEToolkits" 1.5.0 "(2S)-2-amino-3-[1-(5-amino-2H-1,2,4-triazol-3-yl)imidazol-4-yl]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 
3AH "Create component"     1999-12-01 RCSB 
3AH "Modify aromatic_flag" 2011-06-04 RCSB 
3AH "Modify descriptor"    2011-06-04 RCSB 
3AH "Modify PCM"           2024-09-27 PDBE 
# 
