data_PRD_000199 # _pdbx_reference_molecule.prd_id PRD_000199 _pdbx_reference_molecule.name Mersacidin _pdbx_reference_molecule.represent_as polymer _pdbx_reference_molecule.type Oligopeptide _pdbx_reference_molecule.type_evidence_code ? _pdbx_reference_molecule.class Antibiotic _pdbx_reference_molecule.class_evidence_code ? _pdbx_reference_molecule.formula "C80 H120 N20 O21 S4" _pdbx_reference_molecule.formula_weight 1826.190 _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 ;MERSACIDIN IS A GLOBULAR TYPE B LANTIBIOTIC. THE LANTIBIOTICS ARE CHARACTERIZED BY THIOETHER AMINO ACIDS LANTHIONINE AND/OR METHYLLANTHIONINE. HERE, MERSACIDIN IS REPRESENTED BY THE SEQUENCE (SEQRES) ; _pdbx_reference_molecule.description ;MERSACIDIN IS A TETRACYCLIC PEPTIDE. POST TRANSLATIONAL MATURATION OF LANTIBIOTICS INVOLVES THE ENZYMIC CONVERSION OF THR, AND SER INTO DEHYDRATED AA AND THE FORMATION OF THIOETHER BONDS WITH CYSTEINE. THE CARBOXY-TERMINAL BETA-METHYLLANTHIONINE UNDERGOES DECARBOXYLATION. THIOETHER BONDS WITH CYSTEINE RESULT IN FOUR RINGS. THIS IS FOLLOWED BY MEMBRANE TRANSLOCATION AND CLEAVAGE OF THE MODIFIED PRECURSOR. ; _pdbx_reference_molecule.representative_PDB_id_code 1qow # _pdbx_reference_entity_list.prd_id PRD_000199 _pdbx_reference_entity_list.ref_entity_id 1 _pdbx_reference_entity_list.component_id 1 _pdbx_reference_entity_list.type polymer _pdbx_reference_entity_list.details "PEPTIDE LIKE SEQUENCE RESIDUES 1 TO 20" # 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_000199 1 1 C CYS 1 N DBB 2 sing 1 ? ? ? PRD_000199 1 2 SG CYS 1 CB DBB 2 sing 1 ? ? ? PRD_000199 1 3 C DBB 2 N PHE 3 sing 1 ? ? ? PRD_000199 1 4 C PHE 3 N DBB 4 sing 1 ? ? ? PRD_000199 1 5 C DBB 4 N LEU 5 sing 1 ? ? ? PRD_000199 1 6 CB DBB 4 SG CYS 12 sing 1 ? ? ? PRD_000199 1 7 C LEU 5 N PRO 6 sing 1 ? ? ? PRD_000199 1 8 C PRO 6 N GLY 7 sing 1 ? ? ? PRD_000199 1 9 C GLY 7 N GLY 8 sing 1 ? ? ? PRD_000199 1 10 C GLY 8 N GLY 9 sing 1 ? ? ? PRD_000199 1 11 C GLY 9 N GLY 10 sing 1 ? ? ? PRD_000199 1 12 C GLY 10 N VAL 11 sing 1 ? ? ? PRD_000199 1 13 C VAL 11 N CYS 12 sing 1 ? ? ? PRD_000199 1 14 C CYS 12 N DBB 13 sing 1 ? ? ? PRD_000199 1 15 C DBB 13 N LEU 14 sing 1 ? ? ? PRD_000199 1 16 CB DBB 13 SG CYS 18 sing 1 ? ? ? PRD_000199 1 17 C LEU 14 N DBB 15 sing 1 ? ? ? PRD_000199 1 18 C DBB 15 N DHA 16 sing 1 ? ? ? PRD_000199 1 19 CB DBB 15 SG TEE 20 sing 1 ? ? ? PRD_000199 1 20 C DHA 16 N GLU 17 sing 1 ? ? ? PRD_000199 1 21 C GLU 17 N CYS 18 sing 1 ? ? ? PRD_000199 1 22 C CYS 18 N ILE 19 sing 1 ? ? ? PRD_000199 1 23 C ILE 19 N TEE 20 sing 1 ? ? ? # _pdbx_reference_entity_poly.prd_id PRD_000199 _pdbx_reference_entity_poly.ref_entity_id 1 _pdbx_reference_entity_poly.db_code P43683 _pdbx_reference_entity_poly.db_name UNP _pdbx_reference_entity_poly.type peptide-like # _pdbx_reference_entity_sequence.prd_id PRD_000199 _pdbx_reference_entity_sequence.ref_entity_id 1 _pdbx_reference_entity_sequence.type peptide-like _pdbx_reference_entity_sequence.NRP_flag N # 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_000199 1 1 CYS CYS N Y PRD_000199 1 2 DBB THR N Y PRD_000199 1 3 PHE PHE N Y PRD_000199 1 4 DBB THR N Y PRD_000199 1 5 LEU LEU N Y PRD_000199 1 6 PRO PRO N Y PRD_000199 1 7 GLY GLY N Y PRD_000199 1 8 GLY GLY N Y PRD_000199 1 9 GLY GLY N Y PRD_000199 1 10 GLY GLY N Y PRD_000199 1 11 VAL VAL N Y PRD_000199 1 12 CYS CYS N Y PRD_000199 1 13 DBB THR N Y PRD_000199 1 14 LEU LEU N Y PRD_000199 1 15 DBB THR N Y PRD_000199 1 16 DHA SER N Y PRD_000199 1 17 GLU GLU N Y PRD_000199 1 18 CYS CYS N Y PRD_000199 1 19 ILE ILE N Y PRD_000199 1 20 TEE CYS N Y # _pdbx_reference_entity_src_nat.prd_id PRD_000199 _pdbx_reference_entity_src_nat.ref_entity_id 1 _pdbx_reference_entity_src_nat.ordinal 1 _pdbx_reference_entity_src_nat.taxid 69002 _pdbx_reference_entity_src_nat.organism_scientific "Bacillus sp. strain HIL Y-85,54728" _pdbx_reference_entity_src_nat.source UniProt _pdbx_reference_entity_src_nat.db_code P43683 _pdbx_reference_entity_src_nat.db_name UniProtKB _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_000199 2012-02-03 RCSB "Create molecule" PRD_000199 2012-07-09 PDBE "Other modification" PRD_000199 2012-07-31 RCSB "Other modification" PRD_000199 2012-12-12 RCSB "Initial release" PRD_000199 2013-06-03 RCSB "Other modification" PRD_000199 2017-05-04 RCSB "Other modification" PRD_000199 2023-09-20 PDBE "Modify audit" #