data_A1AL8 # _chem_comp.id A1AL8 _chem_comp.name "1-(2-methylbut-3-en-2-yl)-L-tryptophan" _chem_comp.type "L-peptide linking" _chem_comp.pdbx_type HETAIN _chem_comp.formula "C16 H20 N2 O2" _chem_comp.mon_nstd_parent_comp_id TRP _chem_comp.pdbx_synonyms ? _chem_comp.pdbx_formal_charge 0 _chem_comp.pdbx_initial_date 2024-04-11 _chem_comp.pdbx_modified_date 2025-12-05 _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 272.342 _chem_comp.one_letter_code ? _chem_comp.three_letter_code A1AL8 _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 9BBJ _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 A1AL8 CB C1 C 0 1 N N N N N N -15.306 -20.266 -2.792 -2.008 0.474 -0.859 CB A1AL8 1 A1AL8 CA C2 C 0 1 N N S N Y N -15.003 -18.837 -3.188 -2.878 0.421 0.399 CA A1AL8 2 A1AL8 C C3 C 0 1 N N N N Y Y -16.278 -17.996 -3.164 -4.290 0.812 0.049 C A1AL8 3 A1AL8 O O1 O 0 1 N N N N Y Y -16.830 -17.821 -2.141 -5.130 -0.041 -0.114 O A1AL8 4 A1AL8 N N1 N 0 1 N N N Y Y N -14.039 -18.364 -2.190 -2.868 -0.943 0.944 N A1AL8 5 A1AL8 C5 C4 C 0 1 N N N N N N -19.829 -24.185 -5.497 4.436 1.745 -1.320 C5 A1AL8 6 A1AL8 C4 C5 C 0 1 N N N N N N -19.961 -23.159 -4.677 3.868 0.816 -0.592 C4 A1AL8 7 A1AL8 C2 C6 C 0 1 N N N N N N -19.949 -21.439 -6.509 2.578 2.701 0.374 C2 A1AL8 8 A1AL8 CG C7 C 0 1 Y N N N N N -16.244 -20.929 -3.785 -0.572 0.203 -0.488 CG A1AL8 9 A1AL8 CD1 C8 C 0 1 Y N N N N N -17.640 -20.854 -3.784 0.372 1.120 -0.227 CD1 A1AL8 10 A1AL8 CD2 C9 C 0 1 Y N N N N N -15.868 -21.760 -4.895 0.056 -1.112 -0.338 CD2 A1AL8 11 A1AL8 NE1 N2 N 0 1 Y N N N N N -18.106 -21.578 -4.813 1.555 0.501 0.072 NE1 A1AL8 12 A1AL8 CE2 C10 C 0 1 Y N N N N N -17.051 -22.145 -5.503 1.394 -0.866 0.018 CE2 A1AL8 13 A1AL8 CE3 C11 C 0 1 Y N N N N N -14.607 -22.195 -5.396 -0.398 -2.426 -0.475 CE3 A1AL8 14 A1AL8 CZ2 C12 C 0 1 Y N N N N N -16.995 -22.999 -6.632 2.251 -1.940 0.232 CZ2 A1AL8 15 A1AL8 CZ3 C13 C 0 1 Y N N N N N -14.572 -23.026 -6.508 0.461 -3.466 -0.262 CZ3 A1AL8 16 A1AL8 CH2 C14 C 0 1 Y N N N N N -15.764 -23.423 -7.121 1.782 -3.228 0.092 CH2 A1AL8 17 A1AL8 C1 C15 C 0 1 N N N N N N -19.546 -21.735 -5.073 2.804 1.188 0.408 C1 A1AL8 18 A1AL8 C3 C16 C 0 1 N N N N N N -20.298 -20.773 -4.122 3.254 0.771 1.810 C3 A1AL8 19 A1AL8 OXT O2 O 0 1 N Y N N Y Y -16.855 -17.360 -4.329 -4.615 2.108 -0.080 O1 A1AL8 20 A1AL8 HB2 H1 H 0 1 N N N N N N -15.777 -20.270 -1.798 -2.348 -0.280 -1.568 H1 A1AL8 21 A1AL8 HB3 H2 H 0 1 N N N N N N -14.365 -20.834 -2.754 -2.085 1.462 -1.313 H2 A1AL8 22 A1AL8 HA H3 H 0 1 N N N N Y N -14.561 -18.813 -4.195 -2.483 1.112 1.143 H3 A1AL8 23 A1AL8 H H4 H 0 1 N N N Y Y N -13.216 -18.930 -2.227 -3.383 -0.990 1.810 H4 A1AL8 24 A1AL8 H2 H5 H 0 1 N N N Y Y N -13.798 -17.413 -2.384 -3.230 -1.604 0.272 H5 A1AL8 25 A1AL8 H7 H7 H 0 1 N N N N N N -19.417 -24.038 -6.484 4.142 2.778 -1.204 H7 A1AL8 26 A1AL8 H8 H8 H 0 1 N N N N N N -20.133 -25.172 -5.181 5.198 1.479 -2.037 H8 A1AL8 27 A1AL8 H9 H9 H 0 1 N N N N N N -20.375 -23.327 -3.694 4.162 -0.216 -0.709 H9 A1AL8 28 A1AL8 H10 H10 H 0 1 N N N N N N -21.034 -21.578 -6.622 1.809 2.970 1.097 H10 A1AL8 29 A1AL8 H11 H11 H 0 1 N N N N N N -19.685 -20.400 -6.757 3.508 3.213 0.624 H11 A1AL8 30 A1AL8 H12 H12 H 0 1 N N N N N N -19.419 -22.124 -7.187 2.258 2.998 -0.625 H12 A1AL8 31 A1AL8 HD1 H13 H 0 1 N N N N N N -18.242 -20.306 -3.074 0.221 2.190 -0.250 H13 A1AL8 32 A1AL8 HE3 H14 H 0 1 N N N N N N -13.691 -21.883 -4.917 -1.425 -2.618 -0.749 H14 A1AL8 33 A1AL8 HZ2 H15 H 0 1 N N N N N N -17.907 -23.320 -7.112 3.281 -1.765 0.506 H15 A1AL8 34 A1AL8 HZ3 H16 H 0 1 N N N N N N -13.624 -23.365 -6.899 0.109 -4.482 -0.367 H16 A1AL8 35 A1AL8 HH2 H17 H 0 1 N N N N N N -15.728 -24.068 -7.986 2.450 -4.061 0.258 H17 A1AL8 36 A1AL8 H18 H18 H 0 1 N N N N N N -20.009 -20.984 -3.082 2.484 1.041 2.534 H18 A1AL8 37 A1AL8 H19 H19 H 0 1 N N N N N N -20.038 -19.734 -4.371 3.414 -0.306 1.834 H19 A1AL8 38 A1AL8 H20 H20 H 0 1 N N N N N N -21.382 -20.917 -4.237 4.183 1.283 2.061 H20 A1AL8 39 A1AL8 HXT H21 H 0 1 N N N N Y Y -17.631 -16.874 -4.074 -5.534 2.310 -0.305 H21 A1AL8 40 # 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 A1AL8 CH2 CZ2 DOUB Y N 1 A1AL8 CH2 CZ3 SING Y N 2 A1AL8 CZ2 CE2 SING Y N 3 A1AL8 C2 C1 SING N N 4 A1AL8 CZ3 CE3 DOUB Y N 5 A1AL8 CE2 CD2 DOUB Y N 6 A1AL8 CE2 NE1 SING Y N 7 A1AL8 C5 C4 DOUB N N 8 A1AL8 CE3 CD2 SING Y N 9 A1AL8 C1 NE1 SING N N 10 A1AL8 C1 C4 SING N N 11 A1AL8 C1 C3 SING N N 12 A1AL8 CD2 CG SING Y N 13 A1AL8 NE1 CD1 SING Y N 14 A1AL8 CG CD1 DOUB Y N 15 A1AL8 CG CB SING N N 16 A1AL8 CA C SING N N 17 A1AL8 CA CB SING N N 18 A1AL8 CA N SING N N 19 A1AL8 C O DOUB N N 20 A1AL8 C OXT SING N N 21 A1AL8 CB HB2 SING N N 22 A1AL8 CB HB3 SING N N 23 A1AL8 CA HA SING N N 24 A1AL8 N H SING N N 25 A1AL8 N H2 SING N N 26 A1AL8 C5 H7 SING N N 27 A1AL8 C5 H8 SING N N 28 A1AL8 C4 H9 SING N N 29 A1AL8 C2 H10 SING N N 30 A1AL8 C2 H11 SING N N 31 A1AL8 C2 H12 SING N N 32 A1AL8 CD1 HD1 SING N N 33 A1AL8 CE3 HE3 SING N N 34 A1AL8 CZ2 HZ2 SING N N 35 A1AL8 CZ3 HZ3 SING N N 36 A1AL8 CH2 HH2 SING N N 37 A1AL8 C3 H18 SING N N 38 A1AL8 C3 H19 SING N N 39 A1AL8 C3 H20 SING N N 40 A1AL8 OXT HXT SING N N 41 # 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 A1AL8 SMILES ACDLabs 12.01 "O=C(O)C(N)Cc1cn(c2ccccc21)C(C)(C)C=C" A1AL8 InChI InChI 1.06 "InChI=1S/C16H20N2O2/c1-4-16(2,3)18-10-11(9-13(17)15(19)20)12-7-5-6-8-14(12)18/h4-8,10,13H,1,9,17H2,2-3H3,(H,19,20)/t13-/m0/s1" A1AL8 InChIKey InChI 1.06 LOCNLUOBLWSOIZ-ZDUSSCGKSA-N A1AL8 SMILES_CANONICAL CACTVS 3.385 "CC(C)(C=C)n1cc(C[C@H](N)C(O)=O)c2ccccc12" A1AL8 SMILES CACTVS 3.385 "CC(C)(C=C)n1cc(C[CH](N)C(O)=O)c2ccccc12" A1AL8 SMILES_CANONICAL "OpenEye OEToolkits" 2.0.7 "CC(C)(C=C)n1cc(c2c1cccc2)C[C@@H](C(=O)O)N" A1AL8 SMILES "OpenEye OEToolkits" 2.0.7 "CC(C)(C=C)n1cc(c2c1cccc2)CC(C(=O)O)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 A1AL8 "SYSTEMATIC NAME" ACDLabs 12.01 "1-(2-methylbut-3-en-2-yl)-L-tryptophan" A1AL8 "SYSTEMATIC NAME" "OpenEye OEToolkits" 2.0.7 "(2~{S})-2-azanyl-3-[1-(2-methylbut-3-en-2-yl)indol-3-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 A1AL8 "Create component" 2024-04-11 RCSB A1AL8 "Modify PCM" 2024-09-27 PDBE A1AL8 "Initial release" 2025-12-10 RCSB # _pdbx_chem_comp_pcm.pcm_id 1 _pdbx_chem_comp_pcm.comp_id A1AL8 _pdbx_chem_comp_pcm.modified_residue_id TRP _pdbx_chem_comp_pcm.type None _pdbx_chem_comp_pcm.category "Non-standard residue" _pdbx_chem_comp_pcm.position "Amino-acid side chain" _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 ? #