HEADER TRANSCRIPTION 20-MAR-07 2P7V TITLE CRYSTAL STRUCTURE OF THE ESCHERICHIA COLI REGULATOR OF SIGMA 70, RSD, TITLE 2 IN COMPLEX WITH SIGMA 70 DOMAIN 4 COMPND MOL_ID: 1; COMPND 2 MOLECULE: REGULATOR OF SIGMA D; COMPND 3 CHAIN: A; COMPND 4 ENGINEERED: YES; COMPND 5 MOL_ID: 2; COMPND 6 MOLECULE: RNA POLYMERASE SIGMA FACTOR RPOD; COMPND 7 CHAIN: B; COMPND 8 FRAGMENT: DOMAIN 4; COMPND 9 SYNONYM: SIGMA-70; COMPND 10 ENGINEERED: YES SOURCE MOL_ID: 1; SOURCE 2 ORGANISM_SCIENTIFIC: ESCHERICHIA COLI; SOURCE 3 ORGANISM_TAXID: 562; SOURCE 4 GENE: RSD; SOURCE 5 EXPRESSION_SYSTEM: ESCHERICHIA COLI; SOURCE 6 EXPRESSION_SYSTEM_TAXID: 562; SOURCE 7 MOL_ID: 2; SOURCE 8 ORGANISM_SCIENTIFIC: ESCHERICHIA COLI; SOURCE 9 ORGANISM_TAXID: 562; SOURCE 10 GENE: RPOD, ALT; SOURCE 11 EXPRESSION_SYSTEM: ESCHERICHIA COLI; SOURCE 12 EXPRESSION_SYSTEM_TAXID: 562 KEYWDS RSD, SIGMA 70, REGULATOR OF SIGMA 70, SIGMA 70 DOMAIN 4, KEYWDS 2 TRANSCRIPTION, REGULATION, HELIX-TURN-HELIX, RSD-SIGMA 70 COMPLEX, KEYWDS 3 SIGMA FACTOR, ESCHERICHIA COLI RSD-SIGMA 70 COMPLEX, E. COLI RSD- KEYWDS 4 SIGMA 70 COMPLEX EXPDTA X-RAY DIFFRACTION AUTHOR G.A.PATIKOGLOU,L.F.WESTBLADE,E.A.CAMPBELL,V.LAMOUR,W.J.LANE,S.A.DARST REVDAT 5 21-FEB-24 2P7V 1 REMARK LINK REVDAT 4 13-JUL-11 2P7V 1 VERSN REVDAT 3 24-FEB-09 2P7V 1 VERSN REVDAT 2 25-DEC-07 2P7V 1 JRNL REVDAT 1 21-AUG-07 2P7V 0 JRNL AUTH G.A.PATIKOGLOU,L.F.WESTBLADE,E.A.CAMPBELL,V.LAMOUR,W.J.LANE, JRNL AUTH 2 S.A.DARST JRNL TITL CRYSTAL STRUCTURE OF THE ESCHERICHIA COLI REGULATOR OF JRNL TITL 2 SIGMA70, RSD, IN COMPLEX WITH SIGMA70 DOMAIN 4. JRNL REF J.MOL.BIOL. V. 372 649 2007 JRNL REFN ISSN 0022-2836 JRNL PMID 17681541 JRNL DOI 10.1016/J.JMB.2007.06.081 REMARK 2 REMARK 2 RESOLUTION. 2.60 ANGSTROMS. REMARK 3 REMARK 3 REFINEMENT. REMARK 3 PROGRAM : CNS REMARK 3 AUTHORS : BRUNGER,ADAMS,CLORE,DELANO,GROS,GROSSE- REMARK 3 : KUNSTLEVE,JIANG,KUSZEWSKI,NILGES,PANNU, REMARK 3 : READ,RICE,SIMONSON,WARREN REMARK 3 REMARK 3 REFINEMENT TARGET : ENGH & HUBER REMARK 3 REMARK 3 DATA USED IN REFINEMENT. REMARK 3 RESOLUTION RANGE HIGH (ANGSTROMS) : 2.60 REMARK 3 RESOLUTION RANGE LOW (ANGSTROMS) : 50.00 REMARK 3 DATA CUTOFF (SIGMA(F)) : 0.000 REMARK 3 DATA CUTOFF HIGH (ABS(F)) : NULL REMARK 3 DATA CUTOFF LOW (ABS(F)) : NULL REMARK 3 COMPLETENESS (WORKING+TEST) (%) : 99.1 REMARK 3 NUMBER OF REFLECTIONS : 10405 REMARK 3 REMARK 3 FIT TO DATA USED IN REFINEMENT. REMARK 3 CROSS-VALIDATION METHOD : NULL REMARK 3 FREE R VALUE TEST SET SELECTION : RANDOM REMARK 3 R VALUE (WORKING SET) : 0.239 REMARK 3 FREE R VALUE : 0.273 REMARK 3 FREE R VALUE TEST SET SIZE (%) : 4.900 REMARK 3 FREE R VALUE TEST SET COUNT : 513 REMARK 3 ESTIMATED ERROR OF FREE R VALUE : NULL REMARK 3 REMARK 3 FIT IN THE HIGHEST RESOLUTION BIN. REMARK 3 TOTAL NUMBER OF BINS USED : NULL REMARK 3 BIN RESOLUTION RANGE HIGH (A) : NULL REMARK 3 BIN RESOLUTION RANGE LOW (A) : NULL REMARK 3 BIN COMPLETENESS (WORKING+TEST) (%) : NULL REMARK 3 REFLECTIONS IN BIN (WORKING SET) : NULL REMARK 3 BIN R VALUE (WORKING SET) : NULL REMARK 3 BIN FREE R VALUE : NULL REMARK 3 BIN FREE R VALUE TEST SET SIZE (%) : NULL REMARK 3 BIN FREE R VALUE TEST SET COUNT : NULL REMARK 3 ESTIMATED ERROR OF BIN FREE R VALUE : NULL REMARK 3 REMARK 3 NUMBER OF NON-HYDROGEN ATOMS USED IN REFINEMENT. REMARK 3 PROTEIN ATOMS : 1770 REMARK 3 NUCLEIC ACID ATOMS : 0 REMARK 3 HETEROGEN ATOMS : 1 REMARK 3 SOLVENT ATOMS : 94 REMARK 3 REMARK 3 B VALUES. REMARK 3 FROM WILSON PLOT (A**2) : NULL REMARK 3 MEAN B VALUE (OVERALL, A**2) : 42.91 REMARK 3 OVERALL ANISOTROPIC B VALUE. REMARK 3 B11 (A**2) : 0.15800 REMARK 3 B22 (A**2) : 0.15800 REMARK 3 B33 (A**2) : -0.31500 REMARK 3 B12 (A**2) : -8.88700 REMARK 3 B13 (A**2) : 0.00000 REMARK 3 B23 (A**2) : 0.00000 REMARK 3 REMARK 3 ESTIMATED COORDINATE ERROR. REMARK 3 ESD FROM LUZZATI PLOT (A) : NULL REMARK 3 ESD FROM SIGMAA (A) : NULL REMARK 3 LOW RESOLUTION CUTOFF (A) : NULL REMARK 3 REMARK 3 CROSS-VALIDATED ESTIMATED COORDINATE ERROR. REMARK 3 ESD FROM C-V LUZZATI PLOT (A) : NULL REMARK 3 ESD FROM C-V SIGMAA (A) : NULL REMARK 3 REMARK 3 RMS DEVIATIONS FROM IDEAL VALUES. REMARK 3 BOND LENGTHS (A) : 0.008 REMARK 3 BOND ANGLES (DEGREES) : 1.328 REMARK 3 DIHEDRAL ANGLES (DEGREES) : NULL REMARK 3 IMPROPER ANGLES (DEGREES) : NULL REMARK 3 REMARK 3 ISOTROPIC THERMAL MODEL : NULL REMARK 3 REMARK 3 ISOTROPIC THERMAL FACTOR RESTRAINTS. RMS SIGMA REMARK 3 MAIN-CHAIN BOND (A**2) : NULL ; NULL REMARK 3 MAIN-CHAIN ANGLE (A**2) : NULL ; NULL REMARK 3 SIDE-CHAIN BOND (A**2) : NULL ; NULL REMARK 3 SIDE-CHAIN ANGLE (A**2) : NULL ; NULL REMARK 3 REMARK 3 BULK SOLVENT MODELING. REMARK 3 METHOD USED : NULL REMARK 3 KSOL : NULL REMARK 3 BSOL : 29.18 REMARK 3 REMARK 3 NCS MODEL : NULL REMARK 3 REMARK 3 NCS RESTRAINTS. RMS SIGMA/WEIGHT REMARK 3 GROUP 1 POSITIONAL (A) : NULL ; NULL REMARK 3 GROUP 1 B-FACTOR (A**2) : NULL ; NULL REMARK 3 REMARK 3 PARAMETER FILE 1 : CNS_TOPPAR:PROTEIN_REP.PARAM REMARK 3 PARAMETER FILE 2 : CNS_TOPPAR:ION.PARAM REMARK 3 PARAMETER FILE 3 : CNS_TOPPAR:WATER.PARAM REMARK 3 PARAMETER FILE 4 : NULL REMARK 3 TOPOLOGY FILE 1 : NULL REMARK 3 TOPOLOGY FILE 2 : NULL REMARK 3 TOPOLOGY FILE 3 : NULL REMARK 3 TOPOLOGY FILE 4 : NULL REMARK 3 REMARK 3 OTHER REFINEMENT REMARKS: NULL REMARK 4 REMARK 4 2P7V COMPLIES WITH FORMAT V. 3.30, 13-JUL-11 REMARK 100 REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY RCSB ON 27-MAR-07. REMARK 100 THE DEPOSITION ID IS D_1000042076. REMARK 200 REMARK 200 EXPERIMENTAL DETAILS REMARK 200 EXPERIMENT TYPE : X-RAY DIFFRACTION REMARK 200 DATE OF DATA COLLECTION : NULL; NULL REMARK 200 TEMPERATURE (KELVIN) : NULL; NULL REMARK 200 PH : 7.5 REMARK 200 NUMBER OF CRYSTALS USED : 2 REMARK 200 REMARK 200 SYNCHROTRON (Y/N) : Y; Y REMARK 200 RADIATION SOURCE : NSLS; APS REMARK 200 BEAMLINE : X29A; 31-ID REMARK 200 X-RAY GENERATOR MODEL : NULL; NULL REMARK 200 MONOCHROMATIC OR LAUE (M/L) : M; M REMARK 200 WAVELENGTH OR RANGE (A) : 1.1; 0.9793, 0.9641 REMARK 200 MONOCHROMATOR : NULL; NULL REMARK 200 OPTICS : NULL; NULL REMARK 200 REMARK 200 DETECTOR TYPE : NULL; NULL REMARK 200 DETECTOR MANUFACTURER : NULL; NULL REMARK 200 INTENSITY-INTEGRATION SOFTWARE : HKL-2000 REMARK 200 DATA SCALING SOFTWARE : SCALEPACK REMARK 200 REMARK 200 NUMBER OF UNIQUE REFLECTIONS : 10405 REMARK 200 RESOLUTION RANGE HIGH (A) : 2.600 REMARK 200 RESOLUTION RANGE LOW (A) : 50.000 REMARK 200 REJECTION CRITERIA (SIGMA(I)) : 0.000 REMARK 200 REMARK 200 OVERALL. REMARK 200 COMPLETENESS FOR RANGE (%) : 99.1 REMARK 200 DATA REDUNDANCY : NULL REMARK 200 R MERGE (I) : NULL REMARK 200 R SYM (I) : NULL REMARK 200 FOR THE DATA SET : NULL REMARK 200 REMARK 200 IN THE HIGHEST RESOLUTION SHELL. REMARK 200 HIGHEST RESOLUTION SHELL, RANGE HIGH (A) : NULL REMARK 200 HIGHEST RESOLUTION SHELL, RANGE LOW (A) : NULL REMARK 200 COMPLETENESS FOR SHELL (%) : NULL REMARK 200 DATA REDUNDANCY IN SHELL : NULL REMARK 200 R MERGE FOR SHELL (I) : NULL REMARK 200 R SYM FOR SHELL (I) : NULL REMARK 200 FOR SHELL : NULL REMARK 200 REMARK 200 DIFFRACTION PROTOCOL: SINGLE WAVELENGTH; MAD REMARK 200 METHOD USED TO DETERMINE THE STRUCTURE: MAD REMARK 200 SOFTWARE USED: SHARP REMARK 200 STARTING MODEL: NULL REMARK 200 REMARK 200 REMARK: NULL REMARK 280 REMARK 280 CRYSTAL REMARK 280 SOLVENT CONTENT, VS (%): 62.46 REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 3.28 REMARK 280 REMARK 280 CRYSTALLIZATION CONDITIONS: 0.2 M KCL, 0.05 M MGCL2, 0.05 M TRIS REMARK 280 -HCL, PH 7.5, AND 10% PEG4000, VAPOR DIFFUSION, HANGING DROP, REMARK 280 TEMPERATURE 277K REMARK 290 REMARK 290 CRYSTALLOGRAPHIC SYMMETRY REMARK 290 SYMMETRY OPERATORS FOR SPACE GROUP: P 64 REMARK 290 REMARK 290 SYMOP SYMMETRY REMARK 290 NNNMMM OPERATOR REMARK 290 1555 X,Y,Z REMARK 290 2555 -Y,X-Y,Z+1/3 REMARK 290 3555 -X+Y,-X,Z+2/3 REMARK 290 4555 -X,-Y,Z REMARK 290 5555 Y,-X+Y,Z+1/3 REMARK 290 6555 X-Y,X,Z+2/3 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 -0.500000 -0.866025 0.000000 0.00000 REMARK 290 SMTRY2 2 0.866025 -0.500000 0.000000 0.00000 REMARK 290 SMTRY3 2 0.000000 0.000000 1.000000 28.07300 REMARK 290 SMTRY1 3 -0.500000 0.866025 0.000000 0.00000 REMARK 290 SMTRY2 3 -0.866025 -0.500000 0.000000 0.00000 REMARK 290 SMTRY3 3 0.000000 0.000000 1.000000 56.14600 REMARK 290 SMTRY1 4 -1.000000 0.000000 0.000000 0.00000 REMARK 290 SMTRY2 4 0.000000 -1.000000 0.000000 0.00000 REMARK 290 SMTRY3 4 0.000000 0.000000 1.000000 0.00000 REMARK 290 SMTRY1 5 0.500000 0.866025 0.000000 0.00000 REMARK 290 SMTRY2 5 -0.866025 0.500000 0.000000 0.00000 REMARK 290 SMTRY3 5 0.000000 0.000000 1.000000 28.07300 REMARK 290 SMTRY1 6 0.500000 -0.866025 0.000000 0.00000 REMARK 290 SMTRY2 6 0.866025 0.500000 0.000000 0.00000 REMARK 290 SMTRY3 6 0.000000 0.000000 1.000000 56.14600 REMARK 290 REMARK 290 REMARK: NULL REMARK 300 REMARK 300 BIOMOLECULE: 1, 2 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: THE BIOLOGICAL ASSEMBLY CONSISTS OF ONE RSD - SIGMA 70 REMARK 300 DOMAIN 4 PROTEIN-PROTEIN COMPLEX. 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: PQS 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 350 REMARK 350 BIOMOLECULE: 2 REMARK 350 SOFTWARE DETERMINED QUATERNARY STRUCTURE: TETRAMERIC REMARK 350 SOFTWARE USED: PISA REMARK 350 TOTAL BURIED SURFACE AREA: 6610 ANGSTROM**2 REMARK 350 SURFACE AREA OF THE COMPLEX: 21680 ANGSTROM**2 REMARK 350 CHANGE IN SOLVENT FREE ENERGY: -32.0 KCAL/MOL 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 350 BIOMT1 2 -1.000000 0.000000 0.000000 42.05550 REMARK 350 BIOMT2 2 0.000000 -1.000000 0.000000 72.84226 REMARK 350 BIOMT3 2 0.000000 0.000000 1.000000 0.00000 REMARK 375 REMARK 375 SPECIAL POSITION REMARK 375 THE FOLLOWING ATOMS ARE FOUND TO BE WITHIN 0.15 ANGSTROMS REMARK 375 OF A SYMMETRY RELATED ATOM AND ARE ASSUMED TO BE ON SPECIAL REMARK 375 POSITIONS. REMARK 375 REMARK 375 ATOM RES CSSEQI REMARK 375 MG MG B 101 LIES ON A SPECIAL POSITION. REMARK 375 HOH A 169 LIES ON A SPECIAL POSITION. 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 LYS A 43 REMARK 465 GLU A 44 REMARK 465 SER A 45 REMARK 465 TYR A 46 REMARK 465 MET A 47 REMARK 465 ARG A 48 REMARK 465 LEU A 49 REMARK 470 REMARK 470 MISSING ATOM REMARK 470 THE FOLLOWING RESIDUES HAVE MISSING ATOMS (M=MODEL NUMBER; REMARK 470 RES=RESIDUE NAME; C=CHAIN IDENTIFIER; SSEQ=SEQUENCE NUMBER; REMARK 470 I=INSERTION CODE): REMARK 470 M RES CSSEQI ATOMS REMARK 470 LYS A 40 CG CD CE NZ REMARK 470 PRO A 41 CG CD REMARK 470 ASN A 50 CG OD1 ND2 REMARK 470 LYS A 52 CG CD CE NZ REMARK 500 REMARK 500 GEOMETRY AND STEREOCHEMISTRY REMARK 500 SUBTOPIC: CLOSE CONTACTS IN SAME ASYMMETRIC UNIT 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 OE1 GLU A 10 NH2 ARG A 13 1.81 REMARK 500 O TYR A 120 O HOH A 180 2.07 REMARK 500 O ASP B 613 O HOH B 65 2.07 REMARK 500 N VAL B 547 O HOH B 95 2.09 REMARK 500 NH1 ARG A 75 O HOH A 165 2.09 REMARK 500 ND1 HIS A 24 O HOH A 177 2.11 REMARK 500 NH1 ARG A 75 O HOH A 161 2.11 REMARK 500 OE1 GLN B 579 O HOH B 13 2.12 REMARK 500 NH2 ARG B 554 O HOH B 96 2.13 REMARK 500 O VAL B 606 O HOH B 62 2.16 REMARK 500 O ARG A 11 O HOH A 202 2.17 REMARK 500 CA LEU A 2 O HOH A 203 2.19 REMARK 500 O GLU A 132 O HOH A 182 2.19 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 SER A 71 -59.20 -135.37 REMARK 500 ASP A 108 -83.76 -82.75 REMARK 500 SER A 109 -89.65 -51.07 REMARK 500 ALA A 114 29.88 -76.11 REMARK 500 ILE A 115 -59.03 -134.60 REMARK 500 HIS A 117 74.69 -110.42 REMARK 500 ASP A 118 109.47 -50.10 REMARK 500 ASN A 119 73.51 -155.43 REMARK 500 TYR A 120 -35.90 -15.15 REMARK 500 ALA A 151 -74.05 -23.45 REMARK 500 ALA A 152 -72.04 -30.46 REMARK 500 SER B 602 6.35 -162.37 REMARK 500 REMARK 500 REMARK: NULL REMARK 620 REMARK 620 METAL COORDINATION REMARK 620 (M=MODEL NUMBER; RES=RESIDUE NAME; C=CHAIN IDENTIFIER; REMARK 620 SSEQ=SEQUENCE NUMBER; I=INSERTION CODE): REMARK 620 REMARK 620 COORDINATION ANGLES FOR: M RES CSSEQI METAL REMARK 620 MG B 101 MG REMARK 620 N RES CSSEQI ATOM REMARK 620 1 HOH B 1 O REMARK 620 2 HOH B 1 O 168.5 REMARK 620 3 GLU B 605 O 86.4 85.6 REMARK 620 4 GLU B 605 O 85.2 86.8 92.0 REMARK 620 5 ARG B 608 O 93.4 94.8 89.0 178.2 REMARK 620 6 ARG B 608 O 94.4 93.8 178.7 89.0 90.0 REMARK 620 N 1 2 3 4 5 REMARK 800 REMARK 800 SITE REMARK 800 SITE_IDENTIFIER: AC1 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE MG B 101 DBREF 2P7V A 1 158 UNP P0AFX4 RSD_ECOLI 1 158 DBREF 2P7V B 546 613 UNP P00579 RPOD_ECOLI 546 613 SEQRES 1 A 158 MET LEU ASN GLN LEU ASP ASN LEU THR GLU ARG VAL ARG SEQRES 2 A 158 GLY SER ASN LYS LEU VAL ASP ARG TRP LEU HIS VAL ARG SEQRES 3 A 158 LYS HIS LEU LEU VAL ALA TYR TYR ASN LEU VAL GLY ILE SEQRES 4 A 158 LYS PRO GLY LYS GLU SER TYR MET ARG LEU ASN GLU LYS SEQRES 5 A 158 ALA LEU ASP ASP PHE CYS GLN SER LEU VAL ASP TYR LEU SEQRES 6 A 158 SER ALA GLY HIS PHE SER ILE TYR GLU ARG ILE LEU HIS SEQRES 7 A 158 LYS LEU GLU GLY ASN GLY GLN LEU ALA ARG ALA ALA LYS SEQRES 8 A 158 ILE TRP PRO GLN LEU GLU ALA ASN THR GLN GLN ILE MET SEQRES 9 A 158 ASP TYR TYR ASP SER SER LEU GLU THR ALA ILE ASP HIS SEQRES 10 A 158 ASP ASN TYR LEU GLU PHE GLN GLN VAL LEU SER ASP ILE SEQRES 11 A 158 GLY GLU ALA LEU GLU ALA ARG PHE VAL LEU GLU ASP LYS SEQRES 12 A 158 LEU ILE LEU LEU VAL LEU ASP ALA ALA ARG VAL LYS HIS SEQRES 13 A 158 PRO ALA SEQRES 1 B 68 ASP VAL LEU ALA GLY LEU THR ALA ARG GLU ALA LYS VAL SEQRES 2 B 68 LEU ARG MET ARG PHE GLY ILE ASP MET ASN THR ASP TYR SEQRES 3 B 68 THR LEU GLU GLU VAL GLY LYS GLN PHE ASP VAL THR ARG SEQRES 4 B 68 GLU ARG ILE ARG GLN ILE GLU ALA LYS ALA LEU ARG LYS SEQRES 5 B 68 LEU ARG HIS PRO SER ARG SER GLU VAL LEU ARG SER PHE SEQRES 6 B 68 LEU ASP ASP HET MG B 101 1 HETNAM MG MAGNESIUM ION FORMUL 3 MG MG 2+ FORMUL 4 HOH *94(H2 O) HELIX 1 1 MET A 1 ARG A 13 1 13 HELIX 2 2 ASN A 16 GLY A 38 1 23 HELIX 3 3 GLU A 51 SER A 71 1 21 HELIX 4 4 SER A 71 HIS A 78 1 8 HELIX 5 5 GLY A 82 HIS A 117 1 36 HELIX 6 6 ASN A 119 LYS A 155 1 37 HELIX 7 7 THR B 552 PHE B 563 1 12 HELIX 8 8 THR B 572 ASP B 581 1 10 HELIX 9 9 THR B 583 LYS B 597 1 15 HELIX 10 10 LEU B 598 HIS B 600 5 3 HELIX 11 11 SER B 602 ARG B 608 5 7 LINK O HOH B 1 MG MG B 101 1555 1555 1.89 LINK O HOH B 1 MG MG B 101 4665 1555 1.87 LINK MG MG B 101 O GLU B 605 1555 1555 2.43 LINK MG MG B 101 O GLU B 605 1555 4665 2.43 LINK MG MG B 101 O ARG B 608 1555 1555 2.64 LINK MG MG B 101 O ARG B 608 1555 4665 2.64 CISPEP 1 HIS A 156 PRO A 157 0 -0.69 SITE 1 AC1 3 HOH B 1 GLU B 605 ARG B 608 CRYST1 84.111 84.111 84.219 90.00 90.00 120.00 P 64 6 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 0.011889 0.006864 0.000000 0.00000 SCALE2 0.000000 0.013728 0.000000 0.00000 SCALE3 0.000000 0.000000 0.011874 0.00000