data_A1CNA # _chem_comp.id A1CNA _chem_comp.name "[(4Z)-2-[(1R,2R)-1-amino-2-hydroxypropyl]-4-{[(7-nitro-2,1,3-benzoselenadiazol-4-yl)amino]methylidene}-5-oxo-4,5-dihydro-1H-imidazol-1-yl]acetic acid" _chem_comp.type "L-peptide linking" _chem_comp.pdbx_type ATOMP _chem_comp.formula "C15 H15 N7 O6 Se" _chem_comp.mon_nstd_parent_comp_id THR,ALA,GLY _chem_comp.pdbx_synonyms ? _chem_comp.pdbx_formal_charge 0 _chem_comp.pdbx_initial_date 2025-08-12 _chem_comp.pdbx_modified_date 2026-08-21 _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 468.283 _chem_comp.one_letter_code TAG _chem_comp.three_letter_code A1CNA _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 9Q02 _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_n_terminal_atom_flag _chem_comp_atom.pdbx_backbone_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 A1CNA C4 C1 C 0 1 N N R N N N 1.486 0.893 -38.225 4.833 -2.270 -1.209 C4 A1CNA 1 A1CNA C2 C2 C 0 1 N N N N N N -1.660 -0.787 -35.592 1.957 0.881 -0.336 C2 A1CNA 2 A1CNA N3 N1 N 0 1 N N N N N N -1.852 1.304 -36.380 4.199 0.925 -0.310 N3 A1CNA 3 A1CNA N N2 N 0 1 N N N N N N 1.041 2.606 -36.216 3.976 -2.458 1.077 N A1CNA 4 A1CNA C C3 C 0 1 N N N N N N -3.377 2.727 -37.894 6.069 1.704 1.026 C A1CNA 5 A1CNA CB C4 C 0 1 N N N N N N -1.956 -2.061 -34.999 0.635 1.261 -0.419 CB A1CNA 6 A1CNA NG N3 N 0 1 N N N N N N -0.910 -2.909 -34.783 -0.350 0.333 -0.276 NG A1CNA 7 A1CNA CD C5 C 0 1 Y N N N N N -1.201 -4.071 -34.093 -1.680 0.730 -0.255 CD A1CNA 8 A1CNA CE1 C6 C 0 1 Y N N N N N -2.429 -4.394 -33.553 -1.999 2.021 -0.488 CE1 A1CNA 9 A1CNA CE2 C7 C 0 1 Y N N N N N -0.151 -5.009 -33.898 -2.751 -0.275 0.020 CE2 A1CNA 10 A1CNA NZ N4 N 0 1 Y N N N N N 1.083 -4.925 -34.294 -2.504 -1.551 0.250 NZ A1CNA 11 A1CNA CZ1 C8 C 0 1 Y N N N N N -2.642 -5.627 -32.845 -3.325 2.474 -0.478 CZ1 A1CNA 12 A1CNA CZ2 C9 C 0 1 Y N N N N N -0.353 -6.261 -33.181 -4.143 0.211 0.028 CZ2 A1CNA 13 A1CNA CH C10 C 0 1 Y N N N N N -1.643 -6.532 -32.666 -4.362 1.654 -0.237 CH A1CNA 14 A1CNA NH N5 N 0 1 Y N N N N N 0.800 -6.901 -33.167 -5.129 -0.641 0.267 NH A1CNA 15 A1CNA C1 C11 C 0 1 N N R N N N 0.440 1.751 -37.234 4.619 -1.546 0.121 C1 A1CNA 16 A1CNA C10 C12 C 0 1 N N N N N N -2.581 0.273 -35.750 3.136 1.745 -0.466 C10 A1CNA 17 A1CNA C3 C13 C 0 1 N N N N N N -2.421 2.620 -36.698 5.607 1.327 -0.358 C3 A1CNA 18 A1CNA C6 C14 C 0 1 N N N N N N 2.450 1.852 -38.591 5.624 -3.557 -0.968 C6 A1CNA 19 A1CNA C8 C15 C 0 1 N N N N N N -0.562 0.847 -36.574 3.736 -0.344 -0.097 C8 A1CNA 20 A1CNA N2 N6 N 0 1 N N N N N N -0.430 -0.415 -36.115 2.442 -0.379 -0.108 N2 A1CNA 21 A1CNA NT N7 N 1 1 N N N N N N -1.825 -7.724 -31.961 -5.740 2.196 -0.240 NT A1CNA 22 A1CNA O1 O1 O 0 1 N N N N N N 2.270 0.001 -37.307 3.566 -2.591 -1.787 O1 A1CNA 23 A1CNA O2 O2 O 0 1 N N N N N N -3.821 0.426 -35.452 3.154 2.947 -0.670 O2 A1CNA 24 A1CNA O3 O3 O 0 1 N N N N N N -4.042 3.697 -38.055 5.300 1.642 1.957 O3 A1CNA 25 A1CNA OI1 O4 O -1 1 N N N N N N -3.051 -8.072 -31.652 -5.929 3.379 -0.461 OI1 A1CNA 26 A1CNA OI2 O5 O 0 1 N N N N N N -0.853 -8.453 -31.588 -6.685 1.460 -0.022 OI2 A1CNA 27 A1CNA SEE SE1 SE 0 0 Y N N N N N 2.197 -6.235 -33.954 -4.236 -2.312 0.525 SEE A1CNA 28 A1CNA H1 H1 H 0 1 N N N N N N 0.960 0.377 -39.042 5.389 -1.624 -1.889 H1 A1CNA 29 A1CNA H3 H3 H 0 1 N N N N N N 0.320 3.061 -35.694 3.081 -2.772 0.732 H3 A1CNA 30 A1CNA H4 H4 H 0 1 N N N N N N 1.598 2.049 -35.600 4.576 -3.240 1.289 H4 A1CNA 31 A1CNA H7 H7 H 0 1 N N N N N N -2.966 -2.336 -34.735 0.381 2.295 -0.599 H7 A1CNA 32 A1CNA H8 H8 H 0 1 N N N N N N -3.251 -3.703 -33.665 -1.207 2.728 -0.689 H8 A1CNA 33 A1CNA H9 H9 H 0 1 N N N N N N -3.622 -5.840 -32.444 -3.520 3.518 -0.671 H9 A1CNA 34 A1CNA H10 H10 H 0 1 N N N N N N -0.124 2.404 -37.916 5.581 -1.223 0.518 H10 A1CNA 35 A1CNA H11 H11 H 0 1 N N N N N N -1.579 3.301 -36.891 6.209 0.498 -0.729 H11 A1CNA 36 A1CNA H12 H12 H 0 1 N N N N N N -2.972 2.961 -35.809 5.717 2.183 -1.024 H12 A1CNA 37 A1CNA H13 H13 H 0 1 N N N N N N 1.998 2.583 -39.278 5.777 -4.073 -1.916 H13 A1CNA 38 A1CNA H14 H14 H 0 1 N N N N N N 2.812 2.370 -37.691 6.591 -3.312 -0.528 H14 A1CNA 39 A1CNA H15 H15 H 0 1 N N N N N N 3.293 1.352 -39.090 5.068 -4.203 -0.289 H15 A1CNA 40 A1CNA H16 H16 H 0 1 N N N N N N 1.711 -0.699 -36.991 3.016 -3.164 -1.235 H16 A1CNA 41 A1CNA O4 O4 O 0 1 N N N N N N -2.894 1.929 -38.993 7.333 2.108 1.225 O4 A1CNA 42 A1CNA H2 H2 H 0 1 N N N N N N 0.014 -2.702 -35.105 -0.123 -0.606 -0.188 H2 A1CNA 43 A1CNA H6 H6 H 0 1 N N N N N N -3.191 2.305 -39.813 7.583 2.339 2.130 H6 A1CNA 44 # 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 A1CNA C6 C4 SING N N 1 A1CNA C4 O1 SING N N 2 A1CNA C4 C1 SING N N 3 A1CNA O3 C DOUB N N 4 A1CNA C C3 SING N N 5 A1CNA C1 C8 SING N N 6 A1CNA C1 N SING N N 7 A1CNA C3 N3 SING N N 8 A1CNA C8 N3 SING N N 9 A1CNA C8 N2 DOUB N N 10 A1CNA N3 C10 SING N N 11 A1CNA N2 C2 SING N N 12 A1CNA C10 C2 SING N N 13 A1CNA C10 O2 DOUB N N 14 A1CNA C2 CB DOUB N Z 15 A1CNA CB NG SING N N 16 A1CNA NG CD SING N N 17 A1CNA NZ SEE SING Y N 18 A1CNA NZ CE2 DOUB Y N 19 A1CNA CD CE2 SING Y N 20 A1CNA CD CE1 DOUB Y N 21 A1CNA SEE NH SING Y N 22 A1CNA CE2 CZ2 SING Y N 23 A1CNA CE1 CZ1 SING Y N 24 A1CNA CZ2 NH DOUB Y N 25 A1CNA CZ2 CH SING Y N 26 A1CNA CZ1 CH DOUB Y N 27 A1CNA CH NT SING N N 28 A1CNA NT OI1 SING N N 29 A1CNA NT OI2 DOUB N N 30 A1CNA C4 H1 SING N N 31 A1CNA N H3 SING N N 32 A1CNA N H4 SING N N 33 A1CNA CB H7 SING N N 34 A1CNA CE1 H8 SING N N 35 A1CNA CZ1 H9 SING N N 36 A1CNA C1 H10 SING N N 37 A1CNA C3 H11 SING N N 38 A1CNA C3 H12 SING N N 39 A1CNA C6 H13 SING N N 40 A1CNA C6 H14 SING N N 41 A1CNA C6 H15 SING N N 42 A1CNA O1 H16 SING N N 43 A1CNA C O4 SING N N 44 A1CNA NG H2 SING N N 45 A1CNA O4 H6 SING N N 46 # 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 A1CNA SMILES ACDLabs 14.52 "CC(O)C(N)C1=N/C(=C\Nc2ccc(c3n[se]nc23)[N+]([O-])=O)C(=O)N1CC(=O)O" A1CNA InChI InChI 1.06 "InChI=1S/C15H15N7O6Se/c1-6(23)11(16)14-18-8(15(26)21(14)5-10(24)25)4-17-7-2-3-9(22(27)28)13-12(7)19-29-20-13/h2-4,6,11,17,23H,5,16H2,1H3,(H,24,25)/b8-4-/t6-,11+/m1/s1" A1CNA InChIKey InChI 1.06 VOPGBNUNUGOOMD-BMWNXNENSA-N A1CNA SMILES_CANONICAL CACTVS 3.385 "C[C@@H](O)[C@H](N)C1=NC(=C\Nc2ccc(c3n[se]nc23)[N+]([O-])=O)/C(=O)N1CC(O)=O" A1CNA SMILES CACTVS 3.385 "C[CH](O)[CH](N)C1=NC(=CNc2ccc(c3n[se]nc23)[N+]([O-])=O)C(=O)N1CC(O)=O" A1CNA SMILES_CANONICAL "OpenEye OEToolkits" 3.1.0.0 "C[C@H]([C@@H](C1=N/C(=C\Nc2ccc(c3c2n[se]n3)[N+](=O)[O-])/C(=O)N1CC(=O)O)N)O" A1CNA SMILES "OpenEye OEToolkits" 3.1.0.0 "CC(C(C1=NC(=CNc2ccc(c3c2n[se]n3)[N+](=O)[O-])C(=O)N1CC(=O)O)N)O" # 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 A1CNA "SYSTEMATIC NAME" ACDLabs 14.52 "[(4Z)-2-[(1R,2R)-1-amino-2-hydroxypropyl]-4-{[(7-nitro-2,1,3-benzoselenadiazol-4-yl)amino]methylidene}-5-oxo-4,5-dihydro-1H-imidazol-1-yl]acetic acid" A1CNA "SYSTEMATIC NAME" "OpenEye OEToolkits" 3.1.0.0 "2-[(4~{Z})-2-[(1~{R},2~{R})-1-azanyl-2-oxidanyl-propyl]-4-[[(4-nitro-2,1,3-benzoselenadiazol-7-yl)amino]methylidene]-5-oxidanylidene-imidazol-1-yl]ethanoic acid" # _pdbx_chem_comp_pcm.pcm_id 1 _pdbx_chem_comp_pcm.comp_id A1CNA _pdbx_chem_comp_pcm.modified_residue_id THR,ALA,GLY _pdbx_chem_comp_pcm.type None _pdbx_chem_comp_pcm.category Chromophore/chromophore-like _pdbx_chem_comp_pcm.position "Amino-acid side chain and 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 ? # loop_ _pdbx_chem_comp_audit.comp_id _pdbx_chem_comp_audit.action_type _pdbx_chem_comp_audit.date _pdbx_chem_comp_audit.processing_site A1CNA "Create component" 2025-08-12 RCSB A1CNA "Initial release" 2026-08-26 RCSB #