HEADER ANTIBIOTIC 16-FEB-26 23SS TITLE THE LASSO STRUCTURE OF JIANGXILASSIN A COMPND MOL_ID: 1; COMPND 2 MOLECULE: MET-THR-CYS-CYS-GLY-LYS-TRP-ALA-ASP-DHA-ILE-TRP-GLY-TYR- COMPND 3 PHE-PHE-ASP; COMPND 4 CHAIN: A; COMPND 5 ENGINEERED: YES SOURCE MOL_ID: 1; SOURCE 2 ORGANISM_SCIENTIFIC: NONOMURAEA JIANGXIENSIS; SOURCE 3 ORGANISM_TAXID: 633440; SOURCE 4 EXPRESSION_SYSTEM: STREPTOMYCES LIVIDANS; SOURCE 5 EXPRESSION_SYSTEM_TAXID: 1916; SOURCE 6 EXPRESSION_SYSTEM_STRAIN: TK23 KEYWDS LASSO PEPTIDES, PEPTIDE NATURAL PRODUCTS, ANTIBIOTIC EXPDTA SOLUTION NMR NUMMDL 20 AUTHOR H.KUMETA,A.KAWAKAMI,T.TSUNODA,T.DAIRI,Y.OGASAWARA REVDAT 2 23-SEP-26 23SS 1 JRNL REVDAT 1 16-SEP-26 23SS 0 JRNL AUTH A.KAWAKAMI,T.TSUNODA,H.KUMETA,C.MARUYAMA,Y.HAMANO,T.DAIRI, JRNL AUTH 2 Y.OGASAWARA JRNL TITL STRUCTURAL AND BIOCHEMICAL ANALYSES OF A LASSO PEPTIDE JRNL TITL 2 NATURAL PRODUCT CONTAINING AN UNUSUAL DISULFIDE BOND BETWEEN JRNL TITL 3 CONSECUTIVE CYSTEINES. JRNL REF BIOSCI.BIOTECHNOL.BIOCHEM. 2026 JRNL REFN ISSN 0916-8451 JRNL PMID 42709412 JRNL DOI 10.1093/BBB/ZBAG135 REMARK 2 REMARK 2 RESOLUTION. NOT APPLICABLE. REMARK 3 REMARK 3 REFINEMENT. REMARK 3 PROGRAM : CYANA REMARK 3 AUTHORS : GUNTERT, MUMENTHALER AND WUTHRICH REMARK 3 REMARK 3 OTHER REFINEMENT REMARKS: NULL REMARK 4 REMARK 4 23SS COMPLIES WITH FORMAT V. 3.30, 13-JUL-11 REMARK 100 REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY PDBJ ON 18-FEB-26. REMARK 100 THE DEPOSITION ID IS D_1300070379. REMARK 210 REMARK 210 EXPERIMENTAL DETAILS REMARK 210 EXPERIMENT TYPE : NMR REMARK 210 TEMPERATURE (KELVIN) : 298.15 REMARK 210 PH : 7.0 REMARK 210 IONIC STRENGTH : 0 REMARK 210 PRESSURE : 1 ATM REMARK 210 SAMPLE CONTENTS : 2.5 MG/ML NON LABEL PEPTIDE, REMARK 210 METHANOL REMARK 210 REMARK 210 NMR EXPERIMENTS CONDUCTED : 2D 1H-13C HSQC; 2D 1H-1H COSY; REMARK 210 2D 1H-1H TOCSY; 2D 1H-1H NOESY; REMARK 210 2D 1H-1H ROESY; 2D 1H-13C HSQC- REMARK 210 TOCSY; 2D 1H-13C HMBC REMARK 210 SPECTROMETER FIELD STRENGTH : 800 MHZ REMARK 210 SPECTROMETER MODEL : AVANCE NEO REMARK 210 SPECTROMETER MANUFACTURER : BRUKER REMARK 210 REMARK 210 STRUCTURE DETERMINATION. REMARK 210 SOFTWARE USED : TOPSPIN 4.1.4, SPARKY 3.113 REMARK 210 METHOD USED : SIMULATED ANNEALING REMARK 210 REMARK 210 CONFORMERS, NUMBER CALCULATED : 100 REMARK 210 CONFORMERS, NUMBER SUBMITTED : 20 REMARK 210 CONFORMERS, SELECTION CRITERIA : TARGET FUNCTION REMARK 210 REMARK 210 BEST REPRESENTATIVE CONFORMER IN THIS ENSEMBLE : 1 REMARK 210 REMARK 210 REMARK: NULL REMARK 215 REMARK 215 NMR STUDY REMARK 215 THE COORDINATES IN THIS ENTRY WERE GENERATED FROM SOLUTION REMARK 215 NMR DATA. PROTEIN DATA BANK CONVENTIONS REQUIRE THAT REMARK 215 CRYST1 AND SCALE RECORDS BE INCLUDED, BUT THE VALUES ON REMARK 215 THESE RECORDS ARE MEANINGLESS. REMARK 300 REMARK 300 BIOMOLECULE: 1 REMARK 300 SEE REMARK 350 FOR THE AUTHOR PROVIDED AND/OR PROGRAM REMARK 300 GENERATED ASSEMBLY INFORMATION FOR THE STRUCTURE IN REMARK 300 THIS ENTRY. THE REMARK MAY ALSO PROVIDE INFORMATION ON REMARK 300 BURIED SURFACE AREA. REMARK 350 REMARK 350 COORDINATES FOR A COMPLETE MULTIMER REPRESENTING THE KNOWN REMARK 350 BIOLOGICALLY SIGNIFICANT OLIGOMERIZATION STATE OF THE REMARK 350 MOLECULE CAN BE GENERATED BY APPLYING BIOMT TRANSFORMATIONS REMARK 350 GIVEN BELOW. BOTH NON-CRYSTALLOGRAPHIC AND REMARK 350 CRYSTALLOGRAPHIC OPERATIONS ARE GIVEN. REMARK 350 REMARK 350 BIOMOLECULE: 1 REMARK 350 AUTHOR DETERMINED BIOLOGICAL UNIT: MONOMERIC REMARK 350 APPLY THE FOLLOWING TO CHAINS: A REMARK 350 BIOMT1 1 1.000000 0.000000 0.000000 0.00000 REMARK 350 BIOMT2 1 0.000000 1.000000 0.000000 0.00000 REMARK 350 BIOMT3 1 0.000000 0.000000 1.000000 0.00000 REMARK 470 REMARK 470 MISSING ATOM REMARK 470 THE FOLLOWING RESIDUES HAVE MISSING ATOMS (RES=RESIDUE NAME; REMARK 470 C=CHAIN IDENTIFIER; SSEQ=SEQUENCE NUMBER; I=INSERTION CODE): REMARK 470 MODELS 1-20 REMARK 470 RES CSSEQI ATOMS REMARK 470 ASP A 9 OD2 REMARK 500 REMARK 500 GEOMETRY AND STEREOCHEMISTRY REMARK 500 SUBTOPIC: CLOSE CONTACTS REMARK 500 REMARK 500 THE FOLLOWING ATOMS ARE IN CLOSE CONTACT. REMARK 500 REMARK 500 ATM1 RES C SSEQI ATM2 RES C SSEQI DISTANCE REMARK 500 N MET A 1 CG ASP A 9 1.37 REMARK 500 REMARK 500 REMARK: NULL REMARK 500 REMARK 500 GEOMETRY AND STEREOCHEMISTRY REMARK 500 SUBTOPIC: TORSION ANGLES REMARK 500 REMARK 500 TORSION ANGLES OUTSIDE THE EXPECTED RAMACHANDRAN REGIONS: REMARK 500 (M=MODEL NUMBER; RES=RESIDUE NAME; C=CHAIN IDENTIFIER; REMARK 500 SSEQ=SEQUENCE NUMBER; I=INSERTION CODE). REMARK 500 REMARK 500 STANDARD TABLE: REMARK 500 FORMAT:(10X,I3,1X,A3,1X,A1,I4,A1,4X,F7.2,3X,F7.2) REMARK 500 REMARK 500 EXPECTED VALUES: GJ KLEYWEGT AND TA JONES (1996). PHI/PSI- REMARK 500 CHOLOGY: RAMACHANDRAN REVISITED. STRUCTURE 4, 1395 - 1400 REMARK 500 REMARK 500 M RES CSSEQI PSI PHI REMARK 500 2 ASP A 9 -157.96 -111.80 REMARK 500 3 ASP A 9 -157.81 -114.63 REMARK 500 4 ASP A 9 -157.47 -115.34 REMARK 500 5 ASP A 9 -157.57 -110.68 REMARK 500 6 ASP A 9 -157.82 -113.43 REMARK 500 8 ILE A 11 108.74 -51.64 REMARK 500 10 ASP A 9 -157.92 -113.67 REMARK 500 11 ASP A 9 -161.63 -112.67 REMARK 500 14 ASP A 9 -169.68 -111.48 REMARK 500 15 TYR A 14 179.46 -56.28 REMARK 500 16 TYR A 14 169.14 -44.12 REMARK 500 18 ASP A 9 -160.70 -109.97 REMARK 500 19 ASP A 9 -166.30 -109.12 REMARK 500 19 ILE A 11 150.17 -47.97 REMARK 500 REMARK 500 REMARK: NULL REMARK 900 REMARK 900 RELATED ENTRIES REMARK 900 RELATED ID: 36832 RELATED DB: BMRB REMARK 900 THE LASSO STRUCTURE OF JIANGXILASSIN A DBREF 23SS A 1 17 PDB 23SS 23SS 1 17 SEQRES 1 A 17 MET THR CYS CYS GLY LYS TRP ALA ASP DHA ILE TRP GLY SEQRES 2 A 17 TYR PHE PHE ASP HET DHA A 10 8 HETNAM DHA 2-AMINO-ACRYLIC ACID HETSYN DHA 2,3-DIDEHYDROALANINE FORMUL 1 DHA C3 H5 N O2 SSBOND 1 CYS A 3 CYS A 4 1555 1555 2.21 LINK C ASP A 9 N DHA A 10 1555 1555 1.33 LINK C DHA A 10 N ILE A 11 1555 1555 1.32 CRYST1 1.000 1.000 1.000 90.00 90.00 90.00 P 1 1 ORIGX1 1.000000 0.000000 0.000000 0.00000 ORIGX2 0.000000 1.000000 0.000000 0.00000 ORIGX3 0.000000 0.000000 1.000000 0.00000 SCALE1 1.000000 0.000000 0.000000 0.00000 SCALE2 0.000000 1.000000 0.000000 0.00000 SCALE3 0.000000 0.000000 1.000000 0.00000 MODEL 1 ENDMDL MODEL 2 ENDMDL MODEL 3 ENDMDL MODEL 4 ENDMDL MODEL 5 ENDMDL MODEL 6 ENDMDL MODEL 7 ENDMDL MODEL 8 ENDMDL MODEL 9 ENDMDL MODEL 10 ENDMDL MODEL 11 ENDMDL MODEL 12 ENDMDL MODEL 13 ENDMDL MODEL 14 ENDMDL MODEL 15 ENDMDL MODEL 16 ENDMDL MODEL 17 ENDMDL MODEL 18 ENDMDL MODEL 19 ENDMDL MODEL 20 ENDMDL CONECT 37 47 CONECT 47 37 CONECT 116 125 CONECT 125 116 126 130 CONECT 126 125 127 128 CONECT 127 126 131 132 CONECT 128 126 129 133 CONECT 129 128 CONECT 130 125 CONECT 131 127 CONECT 132 127 CONECT 133 128 MASTER 119 0 1 0 0 0 0 6 139 1 12 2 END