1XXA - Header Asymmetric Unit

HEADER COMPLEX (DNA BINDING PROTEIN/PEPTIDE) 03-NOV-95 1XXA

TITLE C-TERMINAL DOMAIN OF ESCHERICHIA COLI ARGININE REPRESSOR/ L- TITLE 2 ARGININE COMPLEX; PB DERIVATIVE

COMPND MOL_ID: 1; COMPND 2 MOLECULE: ARGININE REPRESSOR; COMPND 3 CHAIN: A, B, C, D, E, F; COMPND 4 FRAGMENT: INITIATOR MET PLUS C-TERMINAL RESIDUES 80 - 156; COMPND 5 SYNONYM: ARGR; COMPND 6 ENGINEERED: YES

SOURCE MOL_ID: 1; SOURCE 2 ORGANISM_SCIENTIFIC: ESCHERICHIA COLI K12; SOURCE 3 ORGANISM_TAXID: 83333; SOURCE 4 STRAIN: K-12; SOURCE 5 GENE: T7; SOURCE 6 EXPRESSION_SYSTEM: ESCHERICHIA COLI; SOURCE 7 EXPRESSION_SYSTEM_TAXID: 562; SOURCE 8 EXPRESSION_SYSTEM_VECTOR_TYPE: T7; SOURCE 9 EXPRESSION_SYSTEM_PLASMID: PET3A; SOURCE 10 EXPRESSION_SYSTEM_GENE: T7; SOURCE 11 OTHER_DETAILS: T7 PROMOTER SYSTEM (NOVAGEN)

KEYWDS COMPLEX (DNA BINDING PROTEIN/PEPTIDE)

EXPDTA X-RAY DIFFRACTION

AUTHOR G.D.VAN DUYNE,G.GHOSH,W.K.MAAS,P.B.SIGLER

REVDAT 2 24-FEB-09 1XXA 1 VERSN REVDAT 1 08-MAR-96 1XXA 0

JRNL AUTH G.D.VAN DUYNE,G.GHOSH,W.K.MAAS,P.B.SIGLER JRNL TITL STRUCTURE OF THE OLIGOMERIZATION AND L-ARGININE JRNL TITL 2 BINDING DOMAIN OF THE ARGININE REPRESSOR OF JRNL TITL 3 ESCHERICHIA COLI. JRNL REF J.MOL.BIOL. V. 256 377 1996 JRNL REFN ISSN 0022-2836 JRNL PMID 8594204 JRNL DOI 10.1006/JMBI.1996.0093

REMARK 1 REMARK 1 REFERENCE 1 REMARK 1 AUTH W.K.MAAS REMARK 1 TITL THE ARGININE REPRESSOR OF ESCHERICHIA COLI REMARK 1 REF MOL.MICROBIOL. V. 58 631 1994 REMARK 1 REFN ISSN 0950-382X REMARK 1 REFERENCE 2 REMARK 1 AUTH D.B.LIM,J.D.OPPENHEIM,T.ECKHARDT,W.K.MAAS REMARK 1 TITL NUCLEOTIDE SEQUENCE OF THE ARGR GENE OF REMARK 1 TITL 2 ESCHERICHIA COLI K-12 AND ISOLATION OF ITS REMARK 1 TITL 3 PRODUCT, THE ARGININE REPRESSOR REMARK 1 REF J.MOL.BIOL. V. 84 6697 1987 REMARK 1 REFN ISSN 0022-2836

REMARK 2 REMARK 2 RESOLUTION. 2.20 ANGSTROMS.

REMARK 3 REMARK 3 REFINEMENT. REMARK 3 PROGRAM : X-PLOR 3.8 REMARK 3 AUTHORS : BRUNGER REMARK 3 REMARK 3 DATA USED IN REFINEMENT. REMARK 3 RESOLUTION RANGE HIGH (ANGSTROMS) : 2.20 REMARK 3 RESOLUTION RANGE LOW (ANGSTROMS) : 8.00 REMARK 3 DATA CUTOFF (SIGMA(F)) : 3.000 REMARK 3 DATA CUTOFF HIGH (ABS(F)) : NULL REMARK 3 DATA CUTOFF LOW (ABS(F)) : NULL REMARK 3 COMPLETENESS (WORKING+TEST) (%) : NULL REMARK 3 NUMBER OF REFLECTIONS : 23025 REMARK 3 REMARK 3 FIT TO DATA USED IN REFINEMENT. REMARK 3 CROSS-VALIDATION METHOD : NULL REMARK 3 FREE R VALUE TEST SET SELECTION : NULL REMARK 3 R VALUE (WORKING SET) : 0.200 REMARK 3 FREE R VALUE : 0.330 REMARK 3 FREE R VALUE TEST SET SIZE (%) : NULL REMARK 3 FREE R VALUE TEST SET COUNT : NULL 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 : 3286 REMARK 3 NUCLEIC ACID ATOMS : 0 REMARK 3 HETEROGEN ATOMS : 4 REMARK 3 SOLVENT ATOMS : 415 REMARK 3 REMARK 3 B VALUES. REMARK 3 FROM WILSON PLOT (A**2) : NULL REMARK 3 MEAN B VALUE (OVERALL, A**2) : 42.00 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 ESTIMATED COORDINATE ERROR. REMARK 3 ESD FROM LUZZATI PLOT (A) : 0.35 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) : 0.010 REMARK 3 BOND ANGLES (DEGREES) : 2.00 REMARK 3 DIHEDRAL ANGLES (DEGREES) : NULL REMARK 3 IMPROPER ANGLES (DEGREES) : 1.40 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 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 : NULL REMARK 3 TOPOLOGY FILE 1 : NULL REMARK 3 REMARK 3 OTHER REFINEMENT REMARKS: NULL

REMARK 4 REMARK 4 1XXA COMPLIES WITH FORMAT V. 3.15, 01-DEC-08

REMARK 100 REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY BNL.

REMARK 200 REMARK 200 EXPERIMENTAL DETAILS REMARK 200 EXPERIMENT TYPE : X-RAY DIFFRACTION REMARK 200 DATE OF DATA COLLECTION : NULL REMARK 200 TEMPERATURE (KELVIN) : NULL REMARK 200 PH : NULL REMARK 200 NUMBER OF CRYSTALS USED : NULL REMARK 200 REMARK 200 SYNCHROTRON (Y/N) : Y REMARK 200 RADIATION SOURCE : NSLS REMARK 200 BEAMLINE : X25 REMARK 200 X-RAY GENERATOR MODEL : NULL REMARK 200 MONOCHROMATIC OR LAUE (M/L) : M REMARK 200 WAVELENGTH OR RANGE (A) : 0.9 REMARK 200 MONOCHROMATOR : NULL REMARK 200 OPTICS : NULL REMARK 200 REMARK 200 DETECTOR TYPE : IMAGE PLATE REMARK 200 DETECTOR MANUFACTURER : FUJI REMARK 200 INTENSITY-INTEGRATION SOFTWARE : DENZO REMARK 200 DATA SCALING SOFTWARE : SCALEPACK REMARK 200 REMARK 200 NUMBER OF UNIQUE REFLECTIONS : 24878 REMARK 200 RESOLUTION RANGE HIGH (A) : 2.200 REMARK 200 RESOLUTION RANGE LOW (A) : 50.000 REMARK 200 REJECTION CRITERIA (SIGMA(I)) : -3.000 REMARK 200 REMARK 200 OVERALL. REMARK 200 COMPLETENESS FOR RANGE (%) : 95.0 REMARK 200 DATA REDUNDANCY : 6.200 REMARK 200 R MERGE (I) : 0.08900 REMARK 200 R SYM (I) : NULL REMARK 200 <I/SIGMA(I)> 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 <I/SIGMA(I)> FOR SHELL : NULL REMARK 200 REMARK 200 DIFFRACTION PROTOCOL: NULL REMARK 200 METHOD USED TO DETERMINE THE STRUCTURE: NULL REMARK 200 SOFTWARE USED: X-PLOR 3.8 REMARK 200 STARTING MODEL: NULL REMARK 200 REMARK 200 REMARK: NULL

REMARK 280 REMARK 280 CRYSTAL REMARK 280 SOLVENT CONTENT, VS (%): 49.30 REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 2.43 REMARK 280 REMARK 280 CRYSTALLIZATION CONDITIONS: NULL

REMARK 290 REMARK 290 CRYSTALLOGRAPHIC SYMMETRY REMARK 290 SYMMETRY OPERATORS FOR SPACE GROUP: C 2 2 21 REMARK 290 REMARK 290 SYMOP SYMMETRY REMARK 290 NNNMMM OPERATOR REMARK 290 1555 X,Y,Z REMARK 290 2555 -X,-Y,Z+1/2 REMARK 290 3555 -X,Y,-Z+1/2 REMARK 290 4555 X,-Y,-Z REMARK 290 5555 X+1/2,Y+1/2,Z REMARK 290 6555 -X+1/2,-Y+1/2,Z+1/2 REMARK 290 7555 -X+1/2,Y+1/2,-Z+1/2 REMARK 290 8555 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 0.00000 REMARK 290 SMTRY2 2 0.000000 -1.000000 0.000000 0.00000 REMARK 290 SMTRY3 2 0.000000 0.000000 1.000000 108.50000 REMARK 290 SMTRY1 3 -1.000000 0.000000 0.000000 0.00000 REMARK 290 SMTRY2 3 0.000000 1.000000 0.000000 0.00000 REMARK 290 SMTRY3 3 0.000000 0.000000 -1.000000 108.50000 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 1.000000 0.000000 0.000000 26.75000 REMARK 290 SMTRY2 5 0.000000 1.000000 0.000000 41.90000 REMARK 290 SMTRY3 5 0.000000 0.000000 1.000000 0.00000 REMARK 290 SMTRY1 6 -1.000000 0.000000 0.000000 26.75000 REMARK 290 SMTRY2 6 0.000000 -1.000000 0.000000 41.90000 REMARK 290 SMTRY3 6 0.000000 0.000000 1.000000 108.50000 REMARK 290 SMTRY1 7 -1.000000 0.000000 0.000000 26.75000 REMARK 290 SMTRY2 7 0.000000 1.000000 0.000000 41.90000 REMARK 290 SMTRY3 7 0.000000 0.000000 -1.000000 108.50000 REMARK 290 SMTRY1 8 1.000000 0.000000 0.000000 26.75000 REMARK 290 SMTRY2 8 0.000000 -1.000000 0.000000 41.90000 REMARK 290 SMTRY3 8 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 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: HEXAMERIC REMARK 350 SOFTWARE DETERMINED QUATERNARY STRUCTURE: HEXAMERIC REMARK 350 SOFTWARE USED: PISA REMARK 350 TOTAL BURIED SURFACE AREA: 9130 ANGSTROM**2 REMARK 350 SURFACE AREA OF THE COMPLEX: 17630 ANGSTROM**2 REMARK 350 CHANGE IN SOLVENT FREE ENERGY: -48.0 KCAL/MOL REMARK 350 APPLY THE FOLLOWING TO CHAINS: A, B, C, D, E, F 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 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 HOH E 219 LIES ON A SPECIAL POSITION. REMARK 375 HOH F 452 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 MET A 79 REMARK 465 SER A 80 REMARK 465 PRO A 81 REMARK 465 ASP A 153 REMARK 465 GLN A 154 REMARK 465 GLU A 155 REMARK 465 LEU A 156 REMARK 465 MET B 79 REMARK 465 SER B 80 REMARK 465 ASP B 153 REMARK 465 GLN B 154 REMARK 465 GLU B 155 REMARK 465 LEU B 156 REMARK 465 MET C 79 REMARK 465 SER C 80 REMARK 465 GLN C 154 REMARK 465 GLU C 155 REMARK 465 LEU C 156 REMARK 465 MET D 79 REMARK 465 SER D 80 REMARK 465 PRO D 81 REMARK 465 ASP D 153 REMARK 465 GLN D 154 REMARK 465 GLU D 155 REMARK 465 LEU D 156 REMARK 465 MET E 79 REMARK 465 SER E 80 REMARK 465 PRO E 81 REMARK 465 ASP E 153 REMARK 465 GLN E 154 REMARK 465 GLU E 155 REMARK 465 LEU E 156 REMARK 465 MET F 79 REMARK 465 SER F 80 REMARK 465 PRO F 81 REMARK 465 ASP F 153 REMARK 465 GLN F 154 REMARK 465 GLU F 155 REMARK 465 LEU F 156

REMARK 500 REMARK 500 GEOMETRY AND STEREOCHEMISTRY REMARK 500 SUBTOPIC: CLOSE CONTACTS REMARK 500 REMARK 500 THE FOLLOWING ATOMS THAT ARE RELATED BY CRYSTALLOGRAPHIC REMARK 500 SYMMETRY ARE IN CLOSE CONTACT. AN ATOM LOCATED WITHIN 0.15 REMARK 500 ANGSTROMS OF A SYMMETRY RELATED ATOM IS ASSUMED TO BE ON A REMARK 500 SPECIAL POSITION AND IS, THEREFORE, LISTED IN REMARK 375 REMARK 500 INSTEAD OF REMARK 500. ATOMS WITH NON-BLANK ALTERNATE REMARK 500 LOCATION INDICATORS ARE NOT INCLUDED IN THE CALCULATIONS. REMARK 500 REMARK 500 DISTANCE CUTOFF: REMARK 500 2.2 ANGSTROMS FOR CONTACTS NOT INVOLVING HYDROGEN ATOMS REMARK 500 1.6 ANGSTROMS FOR CONTACTS INVOLVING HYDROGEN ATOMS REMARK 500 REMARK 500 ATM1 RES C SSEQI ATM2 RES C SSEQI SSYMOP DISTANCE REMARK 500 OD2 ASP B 93 PB PB C 416 4575 2.05 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 LYS A 83 41.88 -68.30 REMARK 500 ASP A 129 19.72 -152.89 REMARK 500 LEU A 151 -35.42 -177.79 REMARK 500 LEU B 82 141.37 -176.23 REMARK 500 ASN B 92 -151.49 -131.37 REMARK 500 ASP B 129 23.15 -141.72 REMARK 500 LEU C 82 160.51 -48.96 REMARK 500 ASP C 88 145.06 -174.67 REMARK 500 ASN C 92 -142.82 -155.37 REMARK 500 LYS D 83 -158.07 72.16 REMARK 500 ASP D 88 151.43 175.78 REMARK 500 ASN D 92 -153.48 -153.53 REMARK 500 LYS D 117 -92.58 35.90 REMARK 500 ASP D 129 -3.45 -145.32 REMARK 500 ASN D 137 87.30 -58.70 REMARK 500 LEU D 151 -63.14 -169.89 REMARK 500 LYS E 83 -115.50 97.84 REMARK 500 ASN E 84 7.64 -68.79 REMARK 500 ASN E 92 -153.47 -153.95 REMARK 500 ASP E 113 3.95 -62.65 REMARK 500 GLU E 119 -148.89 -93.14 REMARK 500 LYS F 83 -131.71 12.60 REMARK 500 ASN F 84 56.00 -92.34 REMARK 500 ASN F 92 -152.66 -159.05 REMARK 500 GLU F 150 -2.04 -59.39 REMARK 500 REMARK 500 REMARK: NULL

REMARK 525 REMARK 525 SOLVENT REMARK 525 REMARK 525 THE SOLVENT MOLECULES HAVE CHAIN IDENTIFIERS THAT REMARK 525 INDICATE THE POLYMER CHAIN WITH WHICH THEY ARE MOST REMARK 525 CLOSELY ASSOCIATED. THE REMARK LISTS ALL THE SOLVENT REMARK 525 MOLECULES WHICH ARE MORE THAN 5A AWAY FROM THE REMARK 525 NEAREST POLYMER CHAIN (M = MODEL NUMBER; REMARK 525 RES=RESIDUE NAME; C=CHAIN IDENTIFIER; SSEQ=SEQUENCE REMARK 525 NUMBER; I=INSERTION CODE): REMARK 525 REMARK 525 M RES CSSEQI REMARK 525 HOH A 163 DISTANCE = 7.77 ANGSTROMS REMARK 525 HOH F 436 DISTANCE = 5.61 ANGSTROMS REMARK 525 HOH A 178 DISTANCE = 9.86 ANGSTROMS REMARK 525 HOH D 440 DISTANCE = 5.56 ANGSTROMS REMARK 525 HOH E 178 DISTANCE = 5.81 ANGSTROMS REMARK 525 HOH A 182 DISTANCE = 5.07 ANGSTROMS REMARK 525 HOH A 183 DISTANCE = 8.10 ANGSTROMS REMARK 525 HOH A 184 DISTANCE = 5.28 ANGSTROMS REMARK 525 HOH D 448 DISTANCE = 7.30 ANGSTROMS REMARK 525 HOH D 449 DISTANCE = 8.37 ANGSTROMS REMARK 525 HOH A 190 DISTANCE = 6.08 ANGSTROMS REMARK 525 HOH B 191 DISTANCE = 5.95 ANGSTROMS REMARK 525 HOH D 453 DISTANCE = 5.49 ANGSTROMS REMARK 525 HOH A 193 DISTANCE = 6.89 ANGSTROMS REMARK 525 HOH B 192 DISTANCE = 6.00 ANGSTROMS REMARK 525 HOH D 454 DISTANCE = 5.49 ANGSTROMS REMARK 525 HOH F 453 DISTANCE = 5.16 ANGSTROMS REMARK 525 HOH A 194 DISTANCE = 8.70 ANGSTROMS REMARK 525 HOH A 195 DISTANCE = 6.58 ANGSTROMS REMARK 525 HOH C 457 DISTANCE = 7.16 ANGSTROMS REMARK 525 HOH C 458 DISTANCE = 7.24 ANGSTROMS REMARK 525 HOH A 197 DISTANCE = 9.29 ANGSTROMS REMARK 525 HOH D 458 DISTANCE = 6.01 ANGSTROMS REMARK 525 HOH A 199 DISTANCE = 5.45 ANGSTROMS REMARK 525 HOH B 200 DISTANCE = 9.96 ANGSTROMS REMARK 525 HOH A 203 DISTANCE = 9.71 ANGSTROMS REMARK 525 HOH A 204 DISTANCE = 7.93 ANGSTROMS REMARK 525 HOH E 207 DISTANCE = 5.13 ANGSTROMS REMARK 525 HOH F 468 DISTANCE = 5.24 ANGSTROMS REMARK 525 HOH B 208 DISTANCE = 10.42 ANGSTROMS REMARK 525 HOH E 210 DISTANCE = 7.76 ANGSTROMS REMARK 525 HOH E 211 DISTANCE = 10.06 ANGSTROMS REMARK 525 HOH A 213 DISTANCE = 9.40 ANGSTROMS REMARK 525 HOH D 474 DISTANCE = 7.50 ANGSTROMS REMARK 525 HOH D 475 DISTANCE = 5.16 ANGSTROMS REMARK 525 HOH D 476 DISTANCE = 6.17 ANGSTROMS REMARK 525 HOH E 215 DISTANCE = 7.33 ANGSTROMS REMARK 525 HOH D 478 DISTANCE = 6.51 ANGSTROMS REMARK 525 HOH E 216 DISTANCE = 7.26 ANGSTROMS REMARK 525 HOH B 218 DISTANCE = 5.24 ANGSTROMS REMARK 525 HOH C 484 DISTANCE = 5.05 ANGSTROMS REMARK 525 HOH D 483 DISTANCE = 8.48 ANGSTROMS REMARK 525 HOH D 484 DISTANCE = 7.82 ANGSTROMS REMARK 525 HOH B 223 DISTANCE = 6.61 ANGSTROMS REMARK 525 HOH D 485 DISTANCE = 5.21 ANGSTROMS REMARK 525 HOH C 487 DISTANCE = 6.79 ANGSTROMS REMARK 525 HOH D 487 DISTANCE = 8.01 ANGSTROMS REMARK 525 HOH C 490 DISTANCE = 8.13 ANGSTROMS REMARK 525 HOH C 491 DISTANCE = 5.88 ANGSTROMS REMARK 525 HOH C 492 DISTANCE = 6.16 ANGSTROMS

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 PB C 416 PB REMARK 620 N RES CSSEQI ATOM REMARK 620 1 ALA C 136 O REMARK 620 2 PHE C 139 O 71.9 REMARK 620 3 HOH C 496 O 123.4 67.8 REMARK 620 4 ASP B 93 OD1 88.1 71.5 113.7 REMARK 620 5 ASP B 93 OD2 132.3 76.3 72.8 47.9 REMARK 620 N 1 2 3 4 REMARK 620 REMARK 620 COORDINATION ANGLES FOR: M RES CSSEQI METAL REMARK 620 PB D 418 PB REMARK 620 N RES CSSEQI ATOM REMARK 620 1 HOH F 481 O REMARK 620 2 LYS D 117 NZ 107.4 REMARK 620 3 ASP F 88 OD1 50.3 58.9 REMARK 620 N 1 2 REMARK 620 REMARK 620 COORDINATION ANGLES FOR: M RES CSSEQI METAL REMARK 620 PB F 417 PB REMARK 620 N RES CSSEQI ATOM REMARK 620 1 HOH E 191 O REMARK 620 2 ALA F 136 O 145.6 REMARK 620 3 PHE F 139 O 114.9 74.0 REMARK 620 4 HOH F 452 O 101.2 98.8 125.1 REMARK 620 5 ASP E 93 OD1 126.0 88.5 70.6 54.6 REMARK 620 6 HOH F 452 O 101.2 98.8 125.1 0.0 54.6 REMARK 620 7 ASP E 93 OD2 81.1 131.1 70.6 76.1 48.5 76.1 REMARK 620 N 1 2 3 4 5 6

REMARK 800 REMARK 800 SITE REMARK 800 SITE_IDENTIFIER: AC1 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE PB C 416 REMARK 800 SITE_IDENTIFIER: AC2 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE PB F 417 REMARK 800 SITE_IDENTIFIER: AC3 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE PB D 418 REMARK 800 SITE_IDENTIFIER: AC4 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE PB C 419 REMARK 800 SITE_IDENTIFIER: AC5 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE ARG A 1 REMARK 800 SITE_IDENTIFIER: AC6 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE ARG A 157 REMARK 800 SITE_IDENTIFIER: AC7 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE ARG C 1 REMARK 800 SITE_IDENTIFIER: AC8 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE ARG D 1 REMARK 800 SITE_IDENTIFIER: AC9 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE ARG E 1 REMARK 800 SITE_IDENTIFIER: BC1 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE ARG F 1

DBREF 1XXA A 80 156 UNP P0A6D0 ARGR_ECOLI 80 156 DBREF 1XXA B 80 156 UNP P0A6D0 ARGR_ECOLI 80 156 DBREF 1XXA C 80 156 UNP P0A6D0 ARGR_ECOLI 80 156 DBREF 1XXA D 80 156 UNP P0A6D0 ARGR_ECOLI 80 156 DBREF 1XXA E 80 156 UNP P0A6D0 ARGR_ECOLI 80 156 DBREF 1XXA F 80 156 UNP P0A6D0 ARGR_ECOLI 80 156

SEQRES 1 A 78 MET SER PRO LEU LYS ASN LEU VAL LEU ASP ILE ASP TYR SEQRES 2 A 78 ASN ASP ALA VAL VAL VAL ILE HIS THR SER PRO GLY ALA SEQRES 3 A 78 ALA GLN LEU ILE ALA ARG LEU LEU ASP SER LEU GLY LYS SEQRES 4 A 78 ALA GLU GLY ILE LEU GLY THR ILE ALA GLY ASP ASP THR SEQRES 5 A 78 ILE PHE THR THR PRO ALA ASN GLY PHE THR VAL LYS ASP SEQRES 6 A 78 LEU TYR GLU ALA ILE LEU GLU LEU PHE ASP GLN GLU LEU SEQRES 1 B 78 MET SER PRO LEU LYS ASN LEU VAL LEU ASP ILE ASP TYR SEQRES 2 B 78 ASN ASP ALA VAL VAL VAL ILE HIS THR SER PRO GLY ALA SEQRES 3 B 78 ALA GLN LEU ILE ALA ARG LEU LEU ASP SER LEU GLY LYS SEQRES 4 B 78 ALA GLU GLY ILE LEU GLY THR ILE ALA GLY ASP ASP THR SEQRES 5 B 78 ILE PHE THR THR PRO ALA ASN GLY PHE THR VAL LYS ASP SEQRES 6 B 78 LEU TYR GLU ALA ILE LEU GLU LEU PHE ASP GLN GLU LEU SEQRES 1 C 78 MET SER PRO LEU LYS ASN LEU VAL LEU ASP ILE ASP TYR SEQRES 2 C 78 ASN ASP ALA VAL VAL VAL ILE HIS THR SER PRO GLY ALA SEQRES 3 C 78 ALA GLN LEU ILE ALA ARG LEU LEU ASP SER LEU GLY LYS SEQRES 4 C 78 ALA GLU GLY ILE LEU GLY THR ILE ALA GLY ASP ASP THR SEQRES 5 C 78 ILE PHE THR THR PRO ALA ASN GLY PHE THR VAL LYS ASP SEQRES 6 C 78 LEU TYR GLU ALA ILE LEU GLU LEU PHE ASP GLN GLU LEU SEQRES 1 D 78 MET SER PRO LEU LYS ASN LEU VAL LEU ASP ILE ASP TYR SEQRES 2 D 78 ASN ASP ALA VAL VAL VAL ILE HIS THR SER PRO GLY ALA SEQRES 3 D 78 ALA GLN LEU ILE ALA ARG LEU LEU ASP SER LEU GLY LYS SEQRES 4 D 78 ALA GLU GLY ILE LEU GLY THR ILE ALA GLY ASP ASP THR SEQRES 5 D 78 ILE PHE THR THR PRO ALA ASN GLY PHE THR VAL LYS ASP SEQRES 6 D 78 LEU TYR GLU ALA ILE LEU GLU LEU PHE ASP GLN GLU LEU SEQRES 1 E 78 MET SER PRO LEU LYS ASN LEU VAL LEU ASP ILE ASP TYR SEQRES 2 E 78 ASN ASP ALA VAL VAL VAL ILE HIS THR SER PRO GLY ALA SEQRES 3 E 78 ALA GLN LEU ILE ALA ARG LEU LEU ASP SER LEU GLY LYS SEQRES 4 E 78 ALA GLU GLY ILE LEU GLY THR ILE ALA GLY ASP ASP THR SEQRES 5 E 78 ILE PHE THR THR PRO ALA ASN GLY PHE THR VAL LYS ASP SEQRES 6 E 78 LEU TYR GLU ALA ILE LEU GLU LEU PHE ASP GLN GLU LEU SEQRES 1 F 78 MET SER PRO LEU LYS ASN LEU VAL LEU ASP ILE ASP TYR SEQRES 2 F 78 ASN ASP ALA VAL VAL VAL ILE HIS THR SER PRO GLY ALA SEQRES 3 F 78 ALA GLN LEU ILE ALA ARG LEU LEU ASP SER LEU GLY LYS SEQRES 4 F 78 ALA GLU GLY ILE LEU GLY THR ILE ALA GLY ASP ASP THR SEQRES 5 F 78 ILE PHE THR THR PRO ALA ASN GLY PHE THR VAL LYS ASP SEQRES 6 F 78 LEU TYR GLU ALA ILE LEU GLU LEU PHE ASP GLN GLU LEU

HET PB C 416 1 HET PB F 417 1 HET PB D 418 1 HET PB C 419 1 HET ARG A 1 12 HET ARG A 157 12 HET ARG C 1 12 HET ARG D 1 12 HET ARG E 1 12 HET ARG F 1 12

HETNAM PB LEAD (II) ION HETNAM ARG ARGININE

FORMUL 7 PB 4(PB 2+) FORMUL 11 ARG 6(C6 H15 N4 O2 1+) FORMUL 17 HOH *415(H2 O)

HELIX 1 1 ALA A 105 SER A 114 1 10 HELIX 2 2 VAL A 141 LEU A 149 1 9 HELIX 3 3 ALA B 105 SER B 114 1 10 HELIX 4 4 LYS B 117 GLU B 119 5 3 HELIX 5 5 VAL B 141 LEU B 151 1 11 HELIX 6 6 LYS C 83 LEU C 85 5 3 HELIX 7 7 ALA C 105 SER C 114 1 10 HELIX 8 8 LYS C 117 GLU C 119 5 3 HELIX 9 9 VAL C 141 PHE C 152 1 12 HELIX 10 10 ALA D 105 SER D 114 1 10 HELIX 11 11 LYS D 117 GLU D 119 5 3 HELIX 12 12 VAL D 141 LEU D 149 1 9 HELIX 13 13 ALA E 105 ALA E 118 1 14 HELIX 14 14 VAL E 141 LEU E 151 1 11 HELIX 15 15 LYS F 83 LEU F 85 5 3 HELIX 16 16 ALA F 105 LEU F 115 1 11 HELIX 17 17 VAL F 141 LEU F 149 1 9

SHEET 1 A 4 VAL A 86 TYR A 91 0 SHEET 2 A 4 VAL A 96 THR A 100 -1 N HIS A 99 O LEU A 87 SHEET 3 A 4 THR A 130 PRO A 135 -1 N THR A 133 O VAL A 96 SHEET 4 A 4 ILE A 121 ALA A 126 -1 N ILE A 125 O PHE A 132 SHEET 1 B 4 VAL B 86 TYR B 91 0 SHEET 2 B 4 VAL B 96 THR B 100 -1 N HIS B 99 O LEU B 87 SHEET 3 B 4 THR B 130 PRO B 135 -1 N THR B 133 O VAL B 96 SHEET 4 B 4 ILE B 121 ALA B 126 -1 N ILE B 125 O PHE B 132 SHEET 1 C 4 VAL C 86 TYR C 91 0 SHEET 2 C 4 VAL C 96 THR C 100 -1 N HIS C 99 O LEU C 87 SHEET 3 C 4 THR C 130 PRO C 135 -1 N THR C 133 O VAL C 96 SHEET 4 C 4 ILE C 121 ALA C 126 -1 N ILE C 125 O PHE C 132 SHEET 1 D 4 VAL D 86 TYR D 91 0 SHEET 2 D 4 VAL D 96 THR D 100 -1 N HIS D 99 O LEU D 87 SHEET 3 D 4 THR D 130 PRO D 135 -1 N THR D 133 O VAL D 96 SHEET 4 D 4 ILE D 121 ALA D 126 -1 N ILE D 125 O PHE D 132 SHEET 1 E 4 VAL E 86 TYR E 91 0 SHEET 2 E 4 VAL E 96 THR E 100 -1 N HIS E 99 O LEU E 87 SHEET 3 E 4 THR E 130 PRO E 135 -1 N THR E 133 O VAL E 96 SHEET 4 E 4 ILE E 121 ALA E 126 -1 N ILE E 125 O PHE E 132 SHEET 1 F 4 VAL F 86 TYR F 91 0 SHEET 2 F 4 VAL F 96 THR F 100 -1 N HIS F 99 O LEU F 87 SHEET 3 F 4 THR F 130 PRO F 135 -1 N THR F 133 O VAL F 96 SHEET 4 F 4 ILE F 121 ALA F 126 -1 N ILE F 125 O PHE F 132

LINK PB PB C 416 O ALA C 136 1555 1555 2.80 LINK PB PB C 416 O PHE C 139 1555 1555 2.43 LINK PB PB C 416 O HOH C 496 1555 1555 2.86 LINK PB PB C 419 OE1 GLU C 150 1555 1555 3.15 LINK PB PB D 418 O HOH F 481 1555 1555 2.72 LINK PB PB D 418 NZ LYS D 117 1555 1555 2.44 LINK PB PB D 418 OD1 ASP F 88 1555 1555 3.03 LINK PB PB F 417 O HOH E 191 1555 1555 2.94 LINK PB PB F 417 O ALA F 136 1555 1555 2.16 LINK PB PB F 417 O PHE F 139 1555 1555 2.38 LINK PB PB F 417 O HOH F 452 1555 1555 3.47 LINK PB PB C 416 OD1 ASP B 93 1555 4575 2.92 LINK PB PB C 416 OD2 ASP B 93 1555 4575 2.05 LINK PB PB F 417 OD1 ASP E 93 1555 3555 2.84 LINK PB PB F 417 O HOH F 452 1555 3555 3.47 LINK PB PB F 417 OD2 ASP E 93 1555 3555 2.45

SITE 1 AC1 5 ASP B 93 PRO C 135 ALA C 136 PHE C 139 SITE 2 AC1 5 HOH C 496 SITE 1 AC2 4 ASP E 93 HOH E 191 ALA F 136 PHE F 139 SITE 1 AC3 3 LYS D 117 ASP F 88 HOH F 481 SITE 1 AC4 1 GLU C 150 SITE 1 AC5 11 GLN A 106 ASP A 113 THR A 124 ILE A 125 SITE 2 AC5 11 ALA A 126 GLY C 127 ASP C 128 ASP C 129 SITE 3 AC5 11 THR C 130 GLY D 103 ASP D 128 SITE 1 AC6 13 GLY A 127 ASP A 128 ASP A 129 THR A 130 SITE 2 AC6 13 HOH A 162 GLN B 106 ARG B 110 ASP B 113 SITE 3 AC6 13 THR B 124 ALA B 126 PRO F 102 GLY F 103 SITE 4 AC6 13 ASP F 128 SITE 1 AC7 12 GLY B 127 ASP B 128 ASP B 129 THR B 130 SITE 2 AC7 12 GLN C 106 ALA C 109 ARG C 110 ASP C 113 SITE 3 AC7 12 THR C 124 ILE C 125 ALA C 126 ASP E 128 SITE 1 AC8 13 ASP A 128 GLN D 106 ALA D 109 ARG D 110 SITE 2 AC8 13 ASP D 113 THR D 124 ILE D 125 ALA D 126 SITE 3 AC8 13 HOH D 427 GLY F 127 ASP F 128 ASP F 129 SITE 4 AC8 13 THR F 130 SITE 1 AC9 12 PRO C 102 ASP C 128 GLY D 127 ASP D 128 SITE 2 AC9 12 ASP D 129 THR D 130 GLN E 106 ALA E 109 SITE 3 AC9 12 ARG E 110 ASP E 113 THR E 124 ALA E 126 SITE 1 BC1 12 GLY B 103 ASP B 128 GLY E 127 ASP E 128 SITE 2 BC1 12 ASP E 129 THR E 130 GLN F 106 ALA F 109 SITE 3 BC1 12 ASP F 113 THR F 124 ILE F 125 ALA F 126

CRYST1 53.500 83.800 217.000 90.00 90.00 90.00 C 2 2 21 48

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 0.018692 0.000000 0.000000 0.00000

SCALE2 0.000000 0.011933 0.000000 0.00000

SCALE3 0.000000 0.000000 0.004608 0.00000