HEADER TRANSCRIPTION 25-NOV-25 9XUZ TITLE SOLUTION STRUCTURE OF SITE2 DIMER OF LER COMPND MOL_ID: 1; COMPND 2 MOLECULE: TRANSCRIPTION REGULATOR LER; COMPND 3 CHAIN: A, B; COMPND 4 SYNONYM: TYPE III SECRETION SYSTEM LEE MASTER REGULATOR LER; COMPND 5 ENGINEERED: YES SOURCE MOL_ID: 1; SOURCE 2 ORGANISM_SCIENTIFIC: ESCHERICHIA COLI; SOURCE 3 ORGANISM_TAXID: 562; SOURCE 4 GENE: LER, HVV39_11365, NCTC10279_01062; SOURCE 5 EXPRESSION_SYSTEM: ESCHERICHIA COLI K-12; SOURCE 6 EXPRESSION_SYSTEM_TAXID: 83333 KEYWDS TRANSCRIPTIONAL REGULATOR, DNA BINDING PROTEIN, H-NS FAMILY, DIMER, KEYWDS 2 TRANSCRIPTION EXPDTA SOLUTION NMR NUMMDL 20 AUTHOR G.H.WANG,B.XIA REVDAT 1 30-SEP-26 9XUZ 0 JRNL AUTH G.WANG,B.DUAN,B.XIA JRNL TITL STRUCTURAL BASIS OF THE OLIGOMERIZATION OF ANTI-SILENCER LER JRNL TITL 2 FROM ENTEROHEMORRHAGIC E. COLI (EHEC). JRNL REF STRUCT DYN. V. 13 24702 2026 JRNL REFN ESSN 2329-7778 JRNL PMID 41987883 JRNL DOI 10.1063/4.0001203 REMARK 2 REMARK 2 RESOLUTION. NOT APPLICABLE. REMARK 3 REMARK 3 REFINEMENT. REMARK 3 PROGRAM : AMBER, CYANA REMARK 3 AUTHORS : CASE, DARDEN, CHEATHAM III, SIMMERLING, WANG, REMARK 3 DUKE, LUO, ... AND KOLLMAN (AMBER), GUNTERT, REMARK 3 MUMENTHALER AND WUTHRICH (CYANA) REMARK 3 REMARK 3 OTHER REFINEMENT REMARKS: NULL REMARK 4 REMARK 4 9XUZ COMPLIES WITH FORMAT V. 3.30, 13-JUL-11 REMARK 100 REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY PDBC ON 03-DEC-25. REMARK 100 THE DEPOSITION ID IS D_1300066171. REMARK 210 REMARK 210 EXPERIMENTAL DETAILS REMARK 210 EXPERIMENT TYPE : NMR REMARK 210 TEMPERATURE (KELVIN) : 298 REMARK 210 PH : 7 REMARK 210 IONIC STRENGTH : 139(50MM NAH2PO4, 50 MM NACL, REMARK 210 PH7) REMARK 210 PRESSURE : 1 ATM REMARK 210 SAMPLE CONTENTS : 1.0 MM 15N_13C LER 18-74_CN, 95% REMARK 210 H2O/5% D2O; 2.0 MM HALF 15N_13C REMARK 210 LER 18-74_CHIMERA, 95% H2O/5% D2O REMARK 210 REMARK 210 NMR EXPERIMENTS CONDUCTED : 3D 1H-13C NOESY; 3D 1H-15N REMARK 210 NOESY; 3D 1H-13C NOESY AROMATIC; REMARK 210 3D F1-15N/13C FILTERED, F2-13C REMARK 210 EDITED NOESY; 3D F1-15N/13C REMARK 210 FILTERED, F2-15N EDITED NOESY; REMARK 210 3D CBCA(CO)NH; 3D HNCACB; 3D REMARK 210 HBHA(CO)NH; 3D HCCH-COSY; 3D CCH- REMARK 210 COSY; 3D CCH-TOCSY; 2D 1H-15N REMARK 210 HSQC; 2D 1H-13C HSQC; 2D 1H-13C REMARK 210 HSQC AROMATIC REMARK 210 SPECTROMETER FIELD STRENGTH : 950 MHZ; 500 MHZ REMARK 210 SPECTROMETER MODEL : AVANCE III HD REMARK 210 SPECTROMETER MANUFACTURER : BRUKER REMARK 210 REMARK 210 STRUCTURE DETERMINATION. REMARK 210 SOFTWARE USED : NMRVIEW, TOPSPIN, NMRPIPE, SANE 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 : STRUCTURES WITH THE LOWEST REMARK 210 ENERGY 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: DIMERIC REMARK 350 SOFTWARE DETERMINED QUATERNARY STRUCTURE: DIMERIC REMARK 350 SOFTWARE USED: PISA REMARK 350 APPLY THE FOLLOWING TO CHAINS: A, B 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 500 REMARK 500 GEOMETRY AND STEREOCHEMISTRY REMARK 500 SUBTOPIC: COVALENT BOND ANGLES REMARK 500 REMARK 500 THE STEREOCHEMICAL PARAMETERS OF THE FOLLOWING RESIDUES REMARK 500 HAVE VALUES WHICH DEVIATE FROM EXPECTED VALUES BY MORE REMARK 500 THAN 6*RMSD (M=MODEL NUMBER; RES=RESIDUE NAME; C=CHAIN REMARK 500 IDENTIFIER; SSEQ=SEQUENCE NUMBER; I=INSERTION CODE). REMARK 500 REMARK 500 STANDARD TABLE: REMARK 500 FORMAT: (10X,I3,1X,A3,1X,A1,I4,A1,3(1X,A4,2X),12X,F5.1) REMARK 500 REMARK 500 EXPECTED VALUES PROTEIN: ENGH AND HUBER, 1999 REMARK 500 EXPECTED VALUES NUCLEIC ACID: CLOWNEY ET AL 1996 REMARK 500 REMARK 500 M RES CSSEQI ATM1 ATM2 ATM3 REMARK 500 2 ARG B 29 NE - CZ - NH1 ANGL. DEV. = 3.2 DEGREES REMARK 500 5 ARG B 69 NE - CZ - NH1 ANGL. DEV. = 3.0 DEGREES REMARK 500 6 ARG B 29 NE - CZ - NH1 ANGL. DEV. = 3.7 DEGREES REMARK 500 7 ARG B 29 NE - CZ - NH1 ANGL. DEV. = 3.1 DEGREES REMARK 500 8 ARG B 68 NE - CZ - NH1 ANGL. DEV. = 4.2 DEGREES REMARK 500 8 ARG B 68 NE - CZ - NH2 ANGL. DEV. = -3.4 DEGREES REMARK 500 9 ARG A 29 NE - CZ - NH1 ANGL. DEV. = 3.1 DEGREES REMARK 500 10 ARG B 29 NE - CZ - NH1 ANGL. DEV. = 3.2 DEGREES REMARK 500 10 ARG B 69 NE - CZ - NH2 ANGL. DEV. = 3.6 DEGREES REMARK 500 11 ARG A 29 NE - CZ - NH1 ANGL. DEV. = 3.9 DEGREES REMARK 500 12 ARG A 68 NE - CZ - NH2 ANGL. DEV. = 4.4 DEGREES REMARK 500 12 ARG B 69 NE - CZ - NH1 ANGL. DEV. = 3.6 DEGREES REMARK 500 13 ARG A 69 NE - CZ - NH2 ANGL. DEV. = 3.2 DEGREES REMARK 500 13 ARG B 29 NE - CZ - NH1 ANGL. DEV. = 3.9 DEGREES REMARK 500 14 ARG B 29 NE - CZ - NH1 ANGL. DEV. = 3.3 DEGREES REMARK 500 15 ARG A 29 NE - CZ - NH1 ANGL. DEV. = 3.3 DEGREES REMARK 500 15 ARG A 68 NE - CZ - NH1 ANGL. DEV. = 3.3 DEGREES REMARK 500 16 ARG A 68 NE - CZ - NH1 ANGL. DEV. = 3.2 DEGREES REMARK 500 19 ARG A 68 NE - CZ - NH2 ANGL. DEV. = 3.1 DEGREES REMARK 500 20 ARG A 29 NE - CZ - NH2 ANGL. DEV. = 3.0 DEGREES REMARK 500 20 ARG A 31 NE - CZ - NH1 ANGL. DEV. = 3.3 DEGREES REMARK 500 20 ARG A 69 NE - CZ - NH1 ANGL. DEV. = 3.7 DEGREES REMARK 500 20 ARG B 29 NE - CZ - NH1 ANGL. DEV. = 3.1 DEGREES REMARK 500 20 ARG B 69 NE - CZ - NH1 ANGL. DEV. = 3.2 DEGREES 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 1 TYR B 58 42.52 -82.39 REMARK 500 1 PRO B 62 179.31 -53.69 REMARK 500 2 TYR A 58 45.45 -84.88 REMARK 500 2 ARG B 69 40.59 -107.98 REMARK 500 3 HIS B 16 29.45 -145.58 REMARK 500 4 TYR A 58 47.50 -82.34 REMARK 500 4 PRO A 62 179.69 -51.73 REMARK 500 5 TYR B 58 42.96 -89.80 REMARK 500 6 HIS B 16 -26.55 -149.60 REMARK 500 6 MET B 17 -19.47 -143.20 REMARK 500 8 ARG A 68 14.19 -140.93 REMARK 500 8 TYR B 58 49.64 -83.40 REMARK 500 8 LYS B 73 -20.64 -142.69 REMARK 500 9 TYR B 58 47.20 -80.09 REMARK 500 9 PRO B 62 170.63 -58.44 REMARK 500 10 ARG A 69 97.08 -64.54 REMARK 500 10 TYR B 58 34.16 -79.13 REMARK 500 10 ASN B 70 -52.88 -141.97 REMARK 500 11 HIS A 16 38.22 -74.08 REMARK 500 11 TYR A 58 49.95 -80.67 REMARK 500 13 LEU A 66 3.11 -64.61 REMARK 500 13 ALA A 67 67.94 -66.82 REMARK 500 13 TYR B 58 49.15 -80.90 REMARK 500 13 ALA B 67 82.84 -66.65 REMARK 500 14 ALA B 67 -178.75 -68.28 REMARK 500 14 ARG B 68 38.61 -73.79 REMARK 500 15 TYR B 58 43.86 -82.57 REMARK 500 15 ARG B 68 19.67 -67.79 REMARK 500 16 TYR A 58 49.04 -80.52 REMARK 500 16 ALA B 67 69.64 0.50 REMARK 500 17 TYR B 58 46.02 -79.39 REMARK 500 19 TYR B 58 48.89 -81.60 REMARK 500 20 ARG A 68 44.47 -83.19 REMARK 500 20 TYR B 58 46.62 -85.33 REMARK 500 REMARK 500 REMARK: NULL REMARK 900 REMARK 900 RELATED ENTRIES REMARK 900 RELATED ID: 36813 RELATED DB: BMRB REMARK 900 SOLUTION STRUCTURE OF SITE2 DIMER OF LER DBREF1 9XUZ A 18 74 UNP A0A0D6ZY93_ECOLX DBREF2 9XUZ A A0A0D6ZY93 18 74 DBREF1 9XUZ B 18 74 UNP A0A0D6ZY93_ECOLX DBREF2 9XUZ B A0A0D6ZY93 18 74 SEQADV 9XUZ GLY A 14 UNP A0A0D6ZY9 EXPRESSION TAG SEQADV 9XUZ SER A 15 UNP A0A0D6ZY9 EXPRESSION TAG SEQADV 9XUZ HIS A 16 UNP A0A0D6ZY9 EXPRESSION TAG SEQADV 9XUZ MET A 17 UNP A0A0D6ZY9 EXPRESSION TAG SEQADV 9XUZ GLY B 14 UNP A0A0D6ZY9 EXPRESSION TAG SEQADV 9XUZ SER B 15 UNP A0A0D6ZY9 EXPRESSION TAG SEQADV 9XUZ HIS B 16 UNP A0A0D6ZY9 EXPRESSION TAG SEQADV 9XUZ MET B 17 UNP A0A0D6ZY9 EXPRESSION TAG SEQRES 1 A 61 GLY SER HIS MET GLU GLN ILE ALA VAL LEU GLN GLN GLU SEQRES 2 A 61 ALA LYS ARG LEU ARG GLU GLN GLU VAL GLN SER VAL ILE SEQRES 3 A 61 GLU SER ILE GLN LYS GLN ILE THR TYR TYR ASN ILE THR SEQRES 4 A 61 LEU GLN GLU LEU GLY TYR THR ASN VAL PRO ASP ASP GLY SEQRES 5 A 61 LEU ALA ARG ARG ASN SER SER LYS GLY SEQRES 1 B 61 GLY SER HIS MET GLU GLN ILE ALA VAL LEU GLN GLN GLU SEQRES 2 B 61 ALA LYS ARG LEU ARG GLU GLN GLU VAL GLN SER VAL ILE SEQRES 3 B 61 GLU SER ILE GLN LYS GLN ILE THR TYR TYR ASN ILE THR SEQRES 4 B 61 LEU GLN GLU LEU GLY TYR THR ASN VAL PRO ASP ASP GLY SEQRES 5 B 61 LEU ALA ARG ARG ASN SER SER LYS GLY HELIX 1 AA1 SER A 15 TYR A 49 1 35 HELIX 2 AA2 THR A 52 GLY A 57 5 6 HELIX 3 AA3 SER B 15 TYR B 49 1 35 HELIX 4 AA4 THR B 52 GLY B 57 5 6 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 MASTER 177 0 0 4 0 0 0 6 978 2 0 10 END