HEADER TRANSCRIPTION REGULATOR/DNA 08-OCT-14 4WLS TITLE CRYSTAL STRUCTURE OF THE METAL-FREE (REPRESSOR) FORM OF E. COLI CUER, TITLE 2 A COPPER EFFLUX REGULATOR, BOUND TO COPA PROMOTER DNA COMPND MOL_ID: 1; COMPND 2 MOLECULE: HTH-TYPE TRANSCRIPTIONAL REGULATOR CUER; COMPND 3 CHAIN: A, B; COMPND 4 SYNONYM: COPPER EFFLUX REGULATOR,COPPER EXPORT REGULATOR; COMPND 5 ENGINEERED: YES; COMPND 6 MOL_ID: 2; COMPND 7 MOLECULE: COPA PROMOTER DNA NON-TEMPLATE STRAND; COMPND 8 CHAIN: X; COMPND 9 ENGINEERED: YES; COMPND 10 MOL_ID: 3; COMPND 11 MOLECULE: COPA PROMOTER DNA TEMPLATE STRAND; COMPND 12 CHAIN: Y; COMPND 13 ENGINEERED: YES; COMPND 14 MOL_ID: 4; COMPND 15 MOLECULE: COPA PROMOTER DNA TEMPLATE STRAND (ALTERNATE CONFORMATION); COMPND 16 CHAIN: U; COMPND 17 ENGINEERED: YES; COMPND 18 MOL_ID: 5; COMPND 19 MOLECULE: COPA PROMOTER DNA NON-TEMPLATE STRAND (ALTERNATE COMPND 20 CONFORMATION); COMPND 21 CHAIN: V; COMPND 22 ENGINEERED: YES SOURCE MOL_ID: 1; SOURCE 2 FRAGMENT: RESIDUES 1-128; SOURCE 3 ORGANISM_SCIENTIFIC: ESCHERICHIA COLI DH5[ALPHA]; SOURCE 4 ORGANISM_TAXID: 668369; SOURCE 5 STRAIN: DH5ALPHA; SOURCE 6 GENE: CUER, YBBI, B0487, JW0476; SOURCE 7 EXPRESSION_SYSTEM: ESCHERICHIA COLI; SOURCE 8 EXPRESSION_SYSTEM_TAXID: 469008; SOURCE 9 EXPRESSION_SYSTEM_STRAIN: BL21(DE3); SOURCE 10 EXPRESSION_SYSTEM_VECTOR_TYPE: PLASMID; SOURCE 11 EXPRESSION_SYSTEM_PLASMID: PET24A; SOURCE 12 MOL_ID: 2; SOURCE 13 SYNTHETIC: YES; SOURCE 14 ORGANISM_SCIENTIFIC: SYNTHETIC CONSTRUCT; SOURCE 15 ORGANISM_TAXID: 32630; SOURCE 16 MOL_ID: 3; SOURCE 17 SYNTHETIC: YES; SOURCE 18 ORGANISM_SCIENTIFIC: SYNTHETIC CONSTRUCT; SOURCE 19 ORGANISM_TAXID: 32630; SOURCE 20 MOL_ID: 4; SOURCE 21 SYNTHETIC: YES; SOURCE 22 ORGANISM_SCIENTIFIC: SYNTHETIC CONSTRUCT; SOURCE 23 ORGANISM_TAXID: 32630; SOURCE 24 MOL_ID: 5; SOURCE 25 SYNTHETIC: YES; SOURCE 26 ORGANISM_SCIENTIFIC: SYNTHETIC CONSTRUCT; SOURCE 27 ORGANISM_TAXID: 32630 KEYWDS PROTEIN-DNA COMPLEX, MERR-FAMILY TRANSCRIPTION REGULATOR, METAL-FREE KEYWDS 2 FORM, REPRESSOR, TRANSCRIPTION, TRANSCRIPTION REGULATOR-DNA COMPLEX EXPDTA X-RAY DIFFRACTION AUTHOR S.J.PHILIPS,M.CANALIZO-HERNANDEZ,A.MONDRAGON,T.V.O'HALLORAN REVDAT 4 27-DEC-23 4WLS 1 REMARK REVDAT 3 25-DEC-19 4WLS 1 REMARK REVDAT 2 20-SEP-17 4WLS 1 JRNL REMARK REVDAT 1 02-SEP-15 4WLS 0 JRNL AUTH S.J.PHILIPS,M.CANALIZO-HERNANDEZ,I.YILDIRIM,G.C.SCHATZ, JRNL AUTH 2 A.MONDRAGON,T.V.O'HALLORAN JRNL TITL ALLOSTERIC TRANSCRIPTIONAL REGULATION VIA CHANGES IN THE JRNL TITL 2 OVERALL TOPOLOGY OF THE CORE PROMOTER. JRNL REF SCIENCE V. 349 877 2015 JRNL REFN ESSN 1095-9203 JRNL PMID 26293965 JRNL DOI 10.1126/SCIENCE.AAA9809 REMARK 2 REMARK 2 RESOLUTION. 2.11 ANGSTROMS. REMARK 3 REMARK 3 REFINEMENT. REMARK 3 PROGRAM : PHENIX (PHENIX.REFINE: 1.9_1692) REMARK 3 AUTHORS : PAUL ADAMS,PAVEL AFONINE,VINCENT CHEN,IAN REMARK 3 : DAVIS,KRESHNA GOPAL,RALF GROSSE-KUNSTLEVE, REMARK 3 : LI-WEI HUNG,ROBERT IMMORMINO,TOM IOERGER, REMARK 3 : AIRLIE MCCOY,ERIK MCKEE,NIGEL MORIARTY, REMARK 3 : REETAL PAI,RANDY READ,JANE RICHARDSON, REMARK 3 : DAVID RICHARDSON,TOD ROMO,JIM SACCHETTINI, REMARK 3 : NICHOLAS SAUTER,JACOB SMITH,LAURENT REMARK 3 : STORONI,TOM TERWILLIGER,PETER ZWART REMARK 3 REMARK 3 REFINEMENT TARGET : NULL REMARK 3 REMARK 3 DATA USED IN REFINEMENT. REMARK 3 RESOLUTION RANGE HIGH (ANGSTROMS) : 2.11 REMARK 3 RESOLUTION RANGE LOW (ANGSTROMS) : 45.51 REMARK 3 MIN(FOBS/SIGMA_FOBS) : 1.350 REMARK 3 COMPLETENESS FOR RANGE (%) : 96.6 REMARK 3 NUMBER OF REFLECTIONS : 24991 REMARK 3 REMARK 3 FIT TO DATA USED IN REFINEMENT. REMARK 3 R VALUE (WORKING + TEST SET) : 0.214 REMARK 3 R VALUE (WORKING SET) : 0.212 REMARK 3 FREE R VALUE : 0.264 REMARK 3 FREE R VALUE TEST SET SIZE (%) : 5.100 REMARK 3 FREE R VALUE TEST SET COUNT : 1275 REMARK 3 REMARK 3 FIT TO DATA USED IN REFINEMENT (IN BINS). REMARK 3 BIN RESOLUTION RANGE COMPL. NWORK NFREE RWORK RFREE REMARK 3 1 45.5239 - 4.3781 0.93 2691 139 0.1754 0.2128 REMARK 3 2 4.3781 - 3.4754 0.95 2640 147 0.1777 0.2423 REMARK 3 3 3.4754 - 3.0362 0.96 2647 123 0.2206 0.2575 REMARK 3 4 3.0362 - 2.7586 0.97 2629 144 0.2480 0.2955 REMARK 3 5 2.7586 - 2.5609 0.97 2622 153 0.2535 0.3047 REMARK 3 6 2.5609 - 2.4099 0.97 2611 146 0.2577 0.3337 REMARK 3 7 2.4099 - 2.2892 0.98 2620 151 0.2507 0.3240 REMARK 3 8 2.2892 - 2.1896 0.98 2662 128 0.2643 0.2953 REMARK 3 9 2.1896 - 2.1053 0.97 2594 144 0.2682 0.3188 REMARK 3 REMARK 3 BULK SOLVENT MODELLING. REMARK 3 METHOD USED : FLAT BULK SOLVENT MODEL REMARK 3 SOLVENT RADIUS : 1.11 REMARK 3 SHRINKAGE RADIUS : 0.90 REMARK 3 K_SOL : NULL REMARK 3 B_SOL : NULL REMARK 3 REMARK 3 ERROR ESTIMATES. REMARK 3 COORDINATE ERROR (MAXIMUM-LIKELIHOOD BASED) : 0.300 REMARK 3 PHASE ERROR (DEGREES, MAXIMUM-LIKELIHOOD BASED) : 26.890 REMARK 3 REMARK 3 B VALUES. REMARK 3 FROM WILSON PLOT (A**2) : NULL REMARK 3 MEAN B VALUE (OVERALL, A**2) : NULL REMARK 3 OVERALL ANISOTROPIC B VALUE. REMARK 3 B11 (A**2) : NULL REMARK 3 B22 (A**2) : NULL REMARK 3 B33 (A**2) : NULL REMARK 3 B12 (A**2) : NULL REMARK 3 B13 (A**2) : NULL REMARK 3 B23 (A**2) : NULL REMARK 3 REMARK 3 TWINNING INFORMATION. REMARK 3 FRACTION: NULL REMARK 3 OPERATOR: NULL REMARK 3 REMARK 3 DEVIATIONS FROM IDEAL VALUES. REMARK 3 RMSD COUNT REMARK 3 BOND : 0.010 3558 REMARK 3 ANGLE : 1.087 5133 REMARK 3 CHIRALITY : 0.049 576 REMARK 3 PLANARITY : 0.005 408 REMARK 3 DIHEDRAL : 26.673 1487 REMARK 3 REMARK 3 TLS DETAILS REMARK 3 NUMBER OF TLS GROUPS : NULL REMARK 3 REMARK 3 NCS DETAILS REMARK 3 NUMBER OF NCS GROUPS : NULL REMARK 3 REMARK 3 OTHER REFINEMENT REMARKS: NULL REMARK 4 REMARK 4 4WLS COMPLIES WITH FORMAT V. 3.30, 13-JUL-11 REMARK 100 REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY RCSB ON 20-FEB-15. REMARK 100 THE DEPOSITION ID IS D_1000203988. REMARK 200 REMARK 200 EXPERIMENTAL DETAILS REMARK 200 EXPERIMENT TYPE : X-RAY DIFFRACTION REMARK 200 DATE OF DATA COLLECTION : 11-JUN-12 REMARK 200 TEMPERATURE (KELVIN) : 100 REMARK 200 PH : 7.5 REMARK 200 NUMBER OF CRYSTALS USED : 1 REMARK 200 REMARK 200 SYNCHROTRON (Y/N) : Y REMARK 200 RADIATION SOURCE : APS REMARK 200 BEAMLINE : 21-ID-D REMARK 200 X-RAY GENERATOR MODEL : NULL REMARK 200 MONOCHROMATIC OR LAUE (M/L) : M REMARK 200 WAVELENGTH OR RANGE (A) : 0.97853 REMARK 200 MONOCHROMATOR : SI(111) REMARK 200 OPTICS : NULL REMARK 200 REMARK 200 DETECTOR TYPE : CCD REMARK 200 DETECTOR MANUFACTURER : MARMOSAIC 300 MM CCD REMARK 200 INTENSITY-INTEGRATION SOFTWARE : XDS REMARK 200 DATA SCALING SOFTWARE : SCALA REMARK 200 REMARK 200 NUMBER OF UNIQUE REFLECTIONS : 25034 REMARK 200 RESOLUTION RANGE HIGH (A) : 2.100 REMARK 200 RESOLUTION RANGE LOW (A) : 52.190 REMARK 200 REJECTION CRITERIA (SIGMA(I)) : 6.000 REMARK 200 REMARK 200 OVERALL. REMARK 200 COMPLETENESS FOR RANGE (%) : 97.2 REMARK 200 DATA REDUNDANCY : 4.100 REMARK 200 R MERGE (I) : 0.08400 REMARK 200 R SYM (I) : NULL REMARK 200 FOR THE DATA SET : 8.7000 REMARK 200 REMARK 200 IN THE HIGHEST RESOLUTION SHELL. REMARK 200 HIGHEST RESOLUTION SHELL, RANGE HIGH (A) : 2.10 REMARK 200 HIGHEST RESOLUTION SHELL, RANGE LOW (A) : 2.22 REMARK 200 COMPLETENESS FOR SHELL (%) : 97.3 REMARK 200 DATA REDUNDANCY IN SHELL : 4.10 REMARK 200 R MERGE FOR SHELL (I) : 0.40200 REMARK 200 R SYM FOR SHELL (I) : NULL REMARK 200 FOR SHELL : 2.600 REMARK 200 REMARK 200 DIFFRACTION PROTOCOL: SINGLE WAVELENGTH REMARK 200 METHOD USED TO DETERMINE THE STRUCTURE: MOLECULAR REPLACEMENT REMARK 200 SOFTWARE USED: PHENIX REMARK 200 STARTING MODEL: XXXX REMARK 200 REMARK 200 REMARK: NULL REMARK 280 REMARK 280 CRYSTAL REMARK 280 SOLVENT CONTENT, VS (%): 49.02 REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 2.41 REMARK 280 REMARK 280 CRYSTALLIZATION CONDITIONS: 0.2M HEPES, PH 7.5, 0.1M CACL2 AND 16% REMARK 280 PEG4000, VAPOR DIFFUSION, HANGING DROP TEMPERATURE 295K REMARK 290 REMARK 290 CRYSTALLOGRAPHIC SYMMETRY REMARK 290 SYMMETRY OPERATORS FOR SPACE GROUP: P 21 21 21 REMARK 290 REMARK 290 SYMOP SYMMETRY REMARK 290 NNNMMM OPERATOR REMARK 290 1555 X,Y,Z REMARK 290 2555 -X+1/2,-Y,Z+1/2 REMARK 290 3555 -X,Y+1/2,-Z+1/2 REMARK 290 4555 X+1/2,-Y+1/2,-Z REMARK 290 REMARK 290 WHERE NNN -> OPERATOR NUMBER REMARK 290 MMM -> TRANSLATION VECTOR REMARK 290 REMARK 290 CRYSTALLOGRAPHIC SYMMETRY TRANSFORMATIONS REMARK 290 THE FOLLOWING TRANSFORMATIONS OPERATE ON THE ATOM/HETATM REMARK 290 RECORDS IN THIS ENTRY TO PRODUCE CRYSTALLOGRAPHICALLY REMARK 290 RELATED MOLECULES. REMARK 290 SMTRY1 1 1.000000 0.000000 0.000000 0.00000 REMARK 290 SMTRY2 1 0.000000 1.000000 0.000000 0.00000 REMARK 290 SMTRY3 1 0.000000 0.000000 1.000000 0.00000 REMARK 290 SMTRY1 2 -1.000000 0.000000 0.000000 26.09700 REMARK 290 SMTRY2 2 0.000000 -1.000000 0.000000 0.00000 REMARK 290 SMTRY3 2 0.000000 0.000000 1.000000 65.10250 REMARK 290 SMTRY1 3 -1.000000 0.000000 0.000000 0.00000 REMARK 290 SMTRY2 3 0.000000 1.000000 0.000000 31.82650 REMARK 290 SMTRY3 3 0.000000 0.000000 -1.000000 65.10250 REMARK 290 SMTRY1 4 1.000000 0.000000 0.000000 26.09700 REMARK 290 SMTRY2 4 0.000000 -1.000000 0.000000 31.82650 REMARK 290 SMTRY3 4 0.000000 0.000000 -1.000000 0.00000 REMARK 290 REMARK 290 REMARK: NULL 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 300 REMARK: CHAIN U AND V ARE ALTERNATE CONFORMATION OF CHAIN Y AND X. 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: TETRAMERIC REMARK 350 APPLY THE FOLLOWING TO CHAINS: A, B, X, Y, U, V 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 465 REMARK 465 MISSING RESIDUES REMARK 465 THE FOLLOWING RESIDUES WERE NOT LOCATED IN THE REMARK 465 EXPERIMENT. (M=MODEL NUMBER; RES=RESIDUE NAME; C=CHAIN REMARK 465 IDENTIFIER; SSSEQ=SEQUENCE NUMBER; I=INSERTION CODE.) REMARK 465 REMARK 465 M RES C SSSEQI REMARK 465 SER A 112 REMARK 465 PRO A 113 REMARK 465 GLY A 114 REMARK 465 ASP A 115 REMARK 465 ASP A 116 REMARK 465 SER A 117 REMARK 465 ALA A 118 REMARK 465 ASP A 119 REMARK 465 SER A 120 REMARK 465 PRO A 121 REMARK 465 ILE A 122 REMARK 465 ILE A 123 REMARK 465 GLU A 124 REMARK 465 ASN A 125 REMARK 465 LEU A 126 REMARK 465 SER A 127 REMARK 465 GLY A 128 REMARK 465 SER B 112 REMARK 465 PRO B 113 REMARK 465 GLY B 114 REMARK 465 ASP B 115 REMARK 465 ASP B 116 REMARK 465 SER B 117 REMARK 465 ALA B 118 REMARK 465 ASP B 119 REMARK 465 SER B 120 REMARK 465 PRO B 121 REMARK 465 ILE B 122 REMARK 465 ILE B 123 REMARK 465 GLU B 124 REMARK 465 ASN B 125 REMARK 465 LEU B 126 REMARK 465 SER B 127 REMARK 465 GLY B 128 REMARK 500 REMARK 500 GEOMETRY AND STEREOCHEMISTRY REMARK 500 SUBTOPIC: COVALENT BOND LENGTHS 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,2(A3,1X,A1,I4,A1,1X,A4,3X),1X,F6.3) 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 RES CSSEQI ATM2 DEVIATION REMARK 500 DC Y 5 O3' DC Y 5 C3' -0.061 REMARK 500 DT Y 8 O3' DT Y 8 C3' -0.039 REMARK 500 DC V 5 O3' DC V 5 C3' -0.061 REMARK 500 DT V 8 O3' DT V 8 C3' -0.039 REMARK 500 REMARK 500 REMARK: NULL 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 DA X 3 O4' - C1' - N9 ANGL. DEV. = 2.6 DEGREES REMARK 500 DG X 18 O4' - C1' - N9 ANGL. DEV. = 2.8 DEGREES REMARK 500 DG X 21 O4' - C1' - N9 ANGL. DEV. = 3.7 DEGREES REMARK 500 DA U 3 O4' - C1' - N9 ANGL. DEV. = 2.6 DEGREES REMARK 500 DG U 18 O4' - C1' - N9 ANGL. DEV. = 2.8 DEGREES REMARK 500 DG U 21 O4' - C1' - N9 ANGL. DEV. = 3.7 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 GLN A 74 49.32 -91.84 REMARK 500 GLN B 74 49.87 -94.36 REMARK 500 REMARK 500 REMARK: NULL REMARK 900 REMARK 900 RELATED ENTRIES REMARK 900 RELATED ID: 4WLW RELATED DB: PDB REMARK 900 THE AG(I) (ACTIVATOR) FORM OF E. COLI CUER BOUND TO DNA REMARK 999 REMARK 999 SEQUENCE REMARK 999 THE CRYSTALLIZED DNA CONTAINS A PSEUDO-PALYNDROMIC REGION AND HAS REMARK 999 THE FOLLOWING SEQUENCE: 5'- TGACCTTCCCCTTGCTGGAAGGTTTA -3', 3'- REMARK 999 ACTGGAAGGGGAACGACCTTCCAAAT -5'. THE TWO CONFORMATION A AND B RESULT REMARK 999 FROM THE ALTERNATE DNA CONFORMATIONS OBSERVED IN THE CRYSTALS. THE REMARK 999 PSEUDO-PALYNDROME SEQUENCE IS ACCTTCC:GGAAGGT. TWO ORIENTATIONS OF REMARK 999 THE DNA WERE OBSERVED IN THE CRYSTAL. CHAIN X AND Y IN CONFORMER A REMARK 999 REPRESENT THE THE ORIGINAL SEQUENCES OF THE PSEUDO-PALYNDROME. REMARK 999 CHAIN U AND V IN CONFORMER B REPRESENT THE ALTERNATE DNA REMARK 999 CONFORMATION. WE SHOWED THIS TO BE THE FACT BY USING BROMINE- REMARK 999 SUBSITUTED BASES IN THE TOP STRAND ONLY. THE RESULTS OF WHICH REMARK 999 SHOWED BR DENSITY PEAKS IN BOTH STRANDS, LEADING TO THE ALTERNATE REMARK 999 CONFORMATION OF SEVERAL BASES. THE REFINEMENTS WERE PERFORMED, WITH REMARK 999 PHENIX, WITH BOTH ALTERNATES PRESENT. THE PSEUDO-PALINDROME IN THE REMARK 999 SEQUENCE IS: 5'-NNACCTTCCNNNNNNNGGAAGGTNNN-3', 3'- REMARK 999 NNTGGAAGGNNNNNNNCCTTCCANNN-5'. THE BROMINE PEAKS (SEEN ON BOTH REMARK 999 STRANDS, EVEN THOUGH ONLY THE TOP STRAND, CHAIN X, HAD BROMINES) REMARK 999 GUIDED US ON HOW TO BUILD THE ALTERNATE CHAIN WHICH IS: U: 5'- REMARK 999 AAACCTTCCAGCAAGGGGAAGGTCA-3', V: 3'-TTTGGAAGGTCGTTCCCCTTCCAGT-5'. DBREF 4WLS A 1 128 UNP P0A9G4 CUER_ECOLI 1 128 DBREF 4WLS B 1 128 UNP P0A9G4 CUER_ECOLI 1 128 DBREF 4WLS X 1 26 PDB 4WLS 4WLS 1 26 DBREF 4WLS Y 1 26 PDB 4WLS 4WLS 1 26 DBREF 4WLS U 1 26 PDB 4WLS 4WLS 1 26 DBREF 4WLS V 1 26 PDB 4WLS 4WLS 1 26 SEQADV 4WLS SER A 112 UNP P0A9G4 CYS 112 ENGINEERED MUTATION SEQADV 4WLS SER A 120 UNP P0A9G4 CYS 120 ENGINEERED MUTATION SEQADV 4WLS SER B 112 UNP P0A9G4 CYS 112 ENGINEERED MUTATION SEQADV 4WLS SER B 120 UNP P0A9G4 CYS 120 ENGINEERED MUTATION SEQRES 1 A 128 MSE ASN ILE SER ASP VAL ALA LYS ILE THR GLY LEU THR SEQRES 2 A 128 SER LYS ALA ILE ARG PHE TYR GLU GLU LYS GLY LEU VAL SEQRES 3 A 128 THR PRO PRO MSE ARG SER GLU ASN GLY TYR ARG THR TYR SEQRES 4 A 128 THR GLN GLN HIS LEU ASN GLU LEU THR LEU LEU ARG GLN SEQRES 5 A 128 ALA ARG GLN VAL GLY PHE ASN LEU GLU GLU SER GLY GLU SEQRES 6 A 128 LEU VAL ASN LEU PHE ASN ASP PRO GLN ARG HIS SER ALA SEQRES 7 A 128 ASP VAL LYS ARG ARG THR LEU GLU LYS VAL ALA GLU ILE SEQRES 8 A 128 GLU ARG HIS ILE GLU GLU LEU GLN SER MSE ARG ASP GLN SEQRES 9 A 128 LEU LEU ALA LEU ALA ASN ALA SER PRO GLY ASP ASP SER SEQRES 10 A 128 ALA ASP SER PRO ILE ILE GLU ASN LEU SER GLY SEQRES 1 B 128 MSE ASN ILE SER ASP VAL ALA LYS ILE THR GLY LEU THR SEQRES 2 B 128 SER LYS ALA ILE ARG PHE TYR GLU GLU LYS GLY LEU VAL SEQRES 3 B 128 THR PRO PRO MSE ARG SER GLU ASN GLY TYR ARG THR TYR SEQRES 4 B 128 THR GLN GLN HIS LEU ASN GLU LEU THR LEU LEU ARG GLN SEQRES 5 B 128 ALA ARG GLN VAL GLY PHE ASN LEU GLU GLU SER GLY GLU SEQRES 6 B 128 LEU VAL ASN LEU PHE ASN ASP PRO GLN ARG HIS SER ALA SEQRES 7 B 128 ASP VAL LYS ARG ARG THR LEU GLU LYS VAL ALA GLU ILE SEQRES 8 B 128 GLU ARG HIS ILE GLU GLU LEU GLN SER MSE ARG ASP GLN SEQRES 9 B 128 LEU LEU ALA LEU ALA ASN ALA SER PRO GLY ASP ASP SER SEQRES 10 B 128 ALA ASP SER PRO ILE ILE GLU ASN LEU SER GLY SEQRES 1 X 26 DT DG DA DC DC DT DT DC DC DC DC DT DT SEQRES 2 X 26 DG DC DT DG DG DA DA DG DG DT DT DT DA SEQRES 1 Y 26 DT DA DA DA DC DC DT DT DC DC DA DG DC SEQRES 2 Y 26 DA DA DG DG DG DG DA DA DG DG DT DC DA SEQRES 1 U 26 DA DA DA DC DC DT DT DC DC DA DG DC DA SEQRES 2 U 26 DA DG DG DG DG DA DA DG DG DT DC DA DA SEQRES 1 V 26 DT DT DG DA DC DC DT DT DC DC DC DC DT SEQRES 2 V 26 DT DG DC DT DG DG DA DA DG DG DT DT DT MODRES 4WLS MSE A 1 MET MODIFIED RESIDUE MODRES 4WLS MSE A 30 MET MODIFIED RESIDUE MODRES 4WLS MSE A 101 MET MODIFIED RESIDUE MODRES 4WLS MSE B 1 MET MODIFIED RESIDUE MODRES 4WLS MSE B 30 MET MODIFIED RESIDUE MODRES 4WLS MSE B 101 MET MODIFIED RESIDUE HET MSE A 1 8 HET MSE A 30 8 HET MSE A 101 8 HET MSE B 1 8 HET MSE B 30 8 HET MSE B 101 13 HETNAM MSE SELENOMETHIONINE FORMUL 1 MSE 6(C5 H11 N O2 SE) FORMUL 7 HOH *23(H2 O) HELIX 1 AA1 ASN A 2 GLY A 11 1 10 HELIX 2 AA2 THR A 13 LYS A 23 1 11 HELIX 3 AA3 THR A 40 VAL A 56 1 17 HELIX 4 AA4 ASN A 59 ASP A 72 1 14 HELIX 5 AA5 SER A 77 ASN A 110 1 34 HELIX 6 AA6 ASN B 2 GLY B 11 1 10 HELIX 7 AA7 THR B 13 LYS B 23 1 11 HELIX 8 AA8 THR B 40 VAL B 56 1 17 HELIX 9 AA9 ASN B 59 ASP B 72 1 14 HELIX 10 AB1 SER B 77 ASN B 110 1 34 SHEET 1 AA1 2 MSE A 30 ARG A 31 0 SHEET 2 AA1 2 ARG A 37 THR A 38 -1 O THR A 38 N MSE A 30 SHEET 1 AA2 2 MSE B 30 ARG B 31 0 SHEET 2 AA2 2 ARG B 37 THR B 38 -1 O THR B 38 N MSE B 30 LINK C MSE A 1 N ASN A 2 1555 1555 1.32 LINK C PRO A 29 N MSE A 30 1555 1555 1.33 LINK C MSE A 30 N ARG A 31 1555 1555 1.32 LINK C SER A 100 N MSE A 101 1555 1555 1.34 LINK C MSE A 101 N ARG A 102 1555 1555 1.33 LINK C MSE B 1 N ASN B 2 1555 1555 1.32 LINK C PRO B 29 N MSE B 30 1555 1555 1.32 LINK C MSE B 30 N ARG B 31 1555 1555 1.32 LINK C SER B 100 N MSE B 101 1555 1555 1.32 LINK C MSE B 101 N ARG B 102 1555 1555 1.32 CRYST1 52.194 63.653 130.205 90.00 90.00 90.00 P 21 21 21 8 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 0.019159 0.000000 0.000000 0.00000 SCALE2 0.000000 0.015710 0.000000 0.00000 SCALE3 0.000000 0.000000 0.007680 0.00000 HETATM 1 N MSE A 1 90.270 9.330 -21.555 1.00 51.61 N HETATM 2 CA MSE A 1 88.825 9.450 -21.558 1.00 33.27 C HETATM 3 C MSE A 1 88.197 8.876 -20.294 1.00 30.52 C HETATM 4 O MSE A 1 88.307 7.684 -20.024 1.00 42.94 O HETATM 5 CB MSE A 1 88.218 8.741 -22.768 1.00 22.15 C HETATM 6 CG MSE A 1 86.693 8.858 -22.770 1.00 29.63 C HETATM 7 SE MSE A 1 85.953 8.430 -24.516 1.00 50.98 SE HETATM 8 CE MSE A 1 86.546 9.980 -25.543 1.00 33.42 C