data_PRD_000491 # _pdbx_reference_molecule.prd_id PRD_000491 _pdbx_reference_molecule.name Echinomycin _pdbx_reference_molecule.represent_as polymer _pdbx_reference_molecule.type "Cyclic depsipeptide" _pdbx_reference_molecule.type_evidence_code ? _pdbx_reference_molecule.class Antibiotic _pdbx_reference_molecule.class_evidence_code ? _pdbx_reference_molecule.formula "C51 H64 N12 O12 S2" _pdbx_reference_molecule.formula_weight 1101.26 _pdbx_reference_molecule.chem_comp_id ? _pdbx_reference_molecule.release_status REL _pdbx_reference_molecule.replaces ? _pdbx_reference_molecule.replaced_by ? _pdbx_reference_molecule.compound_details ;THE ECHINOMYCIN IS A BICYCLIC OCTADEPSIPEPTIDE, A MEMBER OF THE QUINOXALINE CLASS OF ANTIBIOTICS. HERE, ECHINOMYCIN IS REPRESENTED BY GROUPING TOGETHER THE SEQUENCE (SEQRES) AND TWO LIGANDS (HET) QUI. ; _pdbx_reference_molecule.description ;ECHINOMYCIN IS A BICYCLIC OCTADEPSIPEPTIDE. BICYCLIZATION IS ACHIEVED BY LINKING THE N- AND THE C- TERMINI, AND A THIOACETAL BOND BETWEEN RESIDUES 3 AND 7. THE TWO QUINOXALINE CHROMOPHORES ARE LINKED TO THE D-SERINE RESIDUES, RESIDUES 1 AND 5. ; _pdbx_reference_molecule.representative_PDB_id_code 1xvr # loop_ _pdbx_reference_entity_list.prd_id _pdbx_reference_entity_list.ref_entity_id _pdbx_reference_entity_list.component_id _pdbx_reference_entity_list.type _pdbx_reference_entity_list.details PRD_000491 1 1 polymer "PEPTIDE LIKE SEQUENCE RESIDUES 1 TO 8" PRD_000491 2 2 non-polymer "QUINOXALINE CHROMOPHORE" PRD_000491 2 3 non-polymer "QUINOXALINE CHROMOPHORE" # _pdbx_reference_entity_nonpoly.prd_id PRD_000491 _pdbx_reference_entity_nonpoly.ref_entity_id 2 _pdbx_reference_entity_nonpoly.name "QUINOXALINE CHROMOPHORE" _pdbx_reference_entity_nonpoly.chem_comp_id QUI _pdbx_reference_entity_nonpoly.details ? # loop_ _pdbx_reference_entity_link.prd_id _pdbx_reference_entity_link.link_id _pdbx_reference_entity_link.link_class _pdbx_reference_entity_link.ref_entity_id_1 _pdbx_reference_entity_link.entity_seq_num_1 _pdbx_reference_entity_link.comp_id_1 _pdbx_reference_entity_link.atom_id_1 _pdbx_reference_entity_link.ref_entity_id_2 _pdbx_reference_entity_link.entity_seq_num_2 _pdbx_reference_entity_link.comp_id_2 _pdbx_reference_entity_link.atom_id_2 _pdbx_reference_entity_link.value_order _pdbx_reference_entity_link.component_1 _pdbx_reference_entity_link.component_2 _pdbx_reference_entity_link.details _pdbx_reference_entity_link.nonpoly_res_num_1 _pdbx_reference_entity_link.nonpoly_res_num_2 PRD_000491 1 PN 1 1 DSN N 2 ? QUI C sing 1 2 ? ? ? PRD_000491 2 PN 1 5 DSN N 2 ? QUI C sing 1 3 ? ? ? # loop_ _pdbx_reference_entity_poly_link.prd_id _pdbx_reference_entity_poly_link.ref_entity_id _pdbx_reference_entity_poly_link.link_id _pdbx_reference_entity_poly_link.atom_id_1 _pdbx_reference_entity_poly_link.comp_id_1 _pdbx_reference_entity_poly_link.entity_seq_num_1 _pdbx_reference_entity_poly_link.atom_id_2 _pdbx_reference_entity_poly_link.comp_id_2 _pdbx_reference_entity_poly_link.entity_seq_num_2 _pdbx_reference_entity_poly_link.value_order _pdbx_reference_entity_poly_link.component_id _pdbx_reference_entity_poly_link.details _pdbx_reference_entity_poly_link.insert_code_1 _pdbx_reference_entity_poly_link.insert_code_2 PRD_000491 1 1 C DSN 1 N ALA 2 sing 1 ? ? ? PRD_000491 1 2 OG DSN 1 C MVA 8 sing 1 ? ? ? PRD_000491 1 3 C ALA 2 N N2C 3 sing 1 ? ? ? PRD_000491 1 4 C N2C 3 N MVA 4 sing 1 ? ? ? PRD_000491 1 5 CB N2C 3 SG NCY 7 sing 1 ? ? ? PRD_000491 1 6 C MVA 4 OG DSN 5 sing 1 ? ? ? PRD_000491 1 7 C DSN 5 N ALA 6 sing 1 ? ? ? PRD_000491 1 8 C ALA 6 N NCY 7 sing 1 ? ? ? PRD_000491 1 9 C NCY 7 N MVA 8 sing 1 ? ? ? # _pdbx_reference_entity_poly.prd_id PRD_000491 _pdbx_reference_entity_poly.ref_entity_id 1 _pdbx_reference_entity_poly.db_code NOR01126 _pdbx_reference_entity_poly.db_name NOR _pdbx_reference_entity_poly.type peptide-like # _pdbx_reference_entity_sequence.prd_id PRD_000491 _pdbx_reference_entity_sequence.ref_entity_id 1 _pdbx_reference_entity_sequence.type peptide-like _pdbx_reference_entity_sequence.NRP_flag Y # loop_ _pdbx_reference_entity_poly_seq.prd_id _pdbx_reference_entity_poly_seq.ref_entity_id _pdbx_reference_entity_poly_seq.num _pdbx_reference_entity_poly_seq.mon_id _pdbx_reference_entity_poly_seq.parent_mon_id _pdbx_reference_entity_poly_seq.hetero _pdbx_reference_entity_poly_seq.observed PRD_000491 1 1 DSN SER N Y PRD_000491 1 2 ALA ALA N Y PRD_000491 1 3 N2C CYS N Y PRD_000491 1 4 MVA VAL N Y PRD_000491 1 5 DSN SER N Y PRD_000491 1 6 ALA ALA N Y PRD_000491 1 7 NCY CYS N Y PRD_000491 1 8 MVA VAL N Y # _pdbx_reference_entity_src_nat.prd_id PRD_000491 _pdbx_reference_entity_src_nat.ref_entity_id 1 _pdbx_reference_entity_src_nat.ordinal 1 _pdbx_reference_entity_src_nat.taxid 67293 _pdbx_reference_entity_src_nat.organism_scientific "Streptomyces echinatus." _pdbx_reference_entity_src_nat.source ? _pdbx_reference_entity_src_nat.db_code NOR01126 _pdbx_reference_entity_src_nat.db_name Norine _pdbx_reference_entity_src_nat.strain ? # loop_ _pdbx_prd_audit.prd_id _pdbx_prd_audit.date _pdbx_prd_audit.processing_site _pdbx_prd_audit.action_type PRD_000491 2012-02-01 RCSB "Create molecule" PRD_000491 2012-07-09 PDBE "Other modification" PRD_000491 2012-07-31 RCSB "Other modification" PRD_000491 2012-12-12 RCSB "Initial release" PRD_000491 2013-06-03 RCSB "Other modification" PRD_000491 2017-05-04 RCSB "Other modification" PRD_000491 2023-09-20 PDBE "Modify audit" #