1XS4 - Header Asymmetric Unit

HEADER HYDROLASE 18-OCT-04 1XS4

TITLE DCTP DEAMINASE FROM ESCHERICHIA COLI- E138A MUTANT ENZYME TITLE 2 IN COMPLEX WITH DCTP

COMPND MOL_ID: 1; COMPND 2 MOLECULE: DEOXYCYTIDINE TRIPHOSPHATE DEAMINASE; COMPND 3 CHAIN: A, B, C, D, E, F; COMPND 4 SYNONYM: DCTP DEAMINASE; COMPND 5 EC: 3.5.4.13; COMPND 6 ENGINEERED: YES; COMPND 7 MUTATION: YES

SOURCE MOL_ID: 1; SOURCE 2 ORGANISM_SCIENTIFIC: ESCHERICHIA COLI; SOURCE 3 ORGANISM_TAXID: 562; SOURCE 4 GENE: DCD; SOURCE 5 EXPRESSION_SYSTEM: ESCHERICHIA COLI BL21(DE3); SOURCE 6 EXPRESSION_SYSTEM_TAXID: 469008; SOURCE 7 EXPRESSION_SYSTEM_STRAIN: BL21(DE3); SOURCE 8 EXPRESSION_SYSTEM_VECTOR_TYPE: PLASMID; SOURCE 9 EXPRESSION_SYSTEM_PLASMID: PET11A

KEYWDS DCTP DEAMINASE, NUCLEOTIDE METABOLISM, TRIMER, HYDROLASE

EXPDTA X-RAY DIFFRACTION

AUTHOR E.JOHANSSON,M.FANO,J.H.BYNCK,J.NEUHARD,S.LARSEN, AUTHOR 2 B.W.SIGURSKJOLD,U.CHRISTENSEN,M.WILLEMOES

REVDAT 3 24-FEB-09 1XS4 1 VERSN REVDAT 2 22-MAR-05 1XS4 1 JRNL REVDAT 1 21-DEC-04 1XS4 0

JRNL AUTH E.JOHANSSON,M.FANO,J.H.BYNCK,J.NEUHARD,S.LARSEN, JRNL AUTH 2 B.W.SIGURSKJOLD,U.CHRISTENSEN,M.WILLEMOES JRNL TITL STRUCTURES OF DCTP DEAMINASE FROM ESCHERICHIA COLI JRNL TITL 2 WITH BOUND SUBSTRATE AND PRODUCT: REACTION JRNL TITL 3 MECHANISM AND DETERMINANTS OF MONO- AND JRNL TITL 4 BIFUNCTIONALITY FOR A FAMILY OF ENZYMES JRNL REF J.BIOL.CHEM. V. 280 3051 2005 JRNL REFN ISSN 0021-9258 JRNL PMID 15539408 JRNL DOI 10.1074/JBC.M409534200

REMARK 1

REMARK 2 REMARK 2 RESOLUTION. 2.53 ANGSTROMS.

REMARK 3 REMARK 3 REFINEMENT. REMARK 3 PROGRAM : REFMAC 5.1.24 REMARK 3 AUTHORS : MURSHUDOV,VAGIN,DODSON REMARK 3 REMARK 3 REFINEMENT TARGET : MAXIMUM LIKELIHOOD REMARK 3 REMARK 3 DATA USED IN REFINEMENT. REMARK 3 RESOLUTION RANGE HIGH (ANGSTROMS) : 2.53 REMARK 3 RESOLUTION RANGE LOW (ANGSTROMS) : 30.00 REMARK 3 DATA CUTOFF (SIGMA(F)) : 0.000 REMARK 3 COMPLETENESS FOR RANGE (%) : 99.4 REMARK 3 NUMBER OF REFLECTIONS : 34581 REMARK 3 REMARK 3 FIT TO DATA USED IN REFINEMENT. REMARK 3 CROSS-VALIDATION METHOD : THROUGHOUT REMARK 3 FREE R VALUE TEST SET SELECTION : RANDOM REMARK 3 R VALUE (WORKING + TEST SET) : 0.187 REMARK 3 R VALUE (WORKING SET) : 0.185 REMARK 3 FREE R VALUE : 0.225 REMARK 3 FREE R VALUE TEST SET SIZE (%) : 5.000 REMARK 3 FREE R VALUE TEST SET COUNT : 1818 REMARK 3 REMARK 3 FIT IN THE HIGHEST RESOLUTION BIN. REMARK 3 TOTAL NUMBER OF BINS USED : 20 REMARK 3 BIN RESOLUTION RANGE HIGH (A) : 2.53 REMARK 3 BIN RESOLUTION RANGE LOW (A) : 2.60 REMARK 3 REFLECTION IN BIN (WORKING SET) : 2332 REMARK 3 BIN COMPLETENESS (WORKING+TEST) (%) : NULL REMARK 3 BIN R VALUE (WORKING SET) : 0.2360 REMARK 3 BIN FREE R VALUE SET COUNT : 111 REMARK 3 BIN FREE R VALUE : 0.3090 REMARK 3 REMARK 3 NUMBER OF NON-HYDROGEN ATOMS USED IN REFINEMENT. REMARK 3 PROTEIN ATOMS : 8952 REMARK 3 NUCLEIC ACID ATOMS : 0 REMARK 3 HETEROGEN ATOMS : 174 REMARK 3 SOLVENT ATOMS : 229 REMARK 3 REMARK 3 B VALUES. REMARK 3 FROM WILSON PLOT (A**2) : NULL REMARK 3 MEAN B VALUE (OVERALL, A**2) : 19.61 REMARK 3 OVERALL ANISOTROPIC B VALUE. REMARK 3 B11 (A**2) : 0.85000 REMARK 3 B22 (A**2) : 0.30000 REMARK 3 B33 (A**2) : -1.20000 REMARK 3 B12 (A**2) : 0.00000 REMARK 3 B13 (A**2) : -0.08000 REMARK 3 B23 (A**2) : 0.00000 REMARK 3 REMARK 3 ESTIMATED OVERALL COORDINATE ERROR. REMARK 3 ESU BASED ON R VALUE (A): NULL REMARK 3 ESU BASED ON FREE R VALUE (A): 0.302 REMARK 3 ESU BASED ON MAXIMUM LIKELIHOOD (A): 0.210 REMARK 3 ESU FOR B VALUES BASED ON MAXIMUM LIKELIHOOD (A**2): 9.299 REMARK 3 REMARK 3 CORRELATION COEFFICIENTS. REMARK 3 CORRELATION COEFFICIENT FO-FC : 0.931 REMARK 3 CORRELATION COEFFICIENT FO-FC FREE : 0.902 REMARK 3 REMARK 3 RMS DEVIATIONS FROM IDEAL VALUES COUNT RMS WEIGHT REMARK 3 BOND LENGTHS REFINED ATOMS (A): 9312 ; 0.020 ; 0.021 REMARK 3 BOND LENGTHS OTHERS (A): 8640 ; 0.003 ; 0.020 REMARK 3 BOND ANGLES REFINED ATOMS (DEGREES): 12666 ; 1.660 ; 1.994 REMARK 3 BOND ANGLES OTHERS (DEGREES): 19926 ; 0.962 ; 3.000 REMARK 3 TORSION ANGLES, PERIOD 1 (DEGREES): 1152 ; 6.608 ; 5.000 REMARK 3 TORSION ANGLES, PERIOD 2 (DEGREES): NULL ; NULL ; NULL REMARK 3 TORSION ANGLES, PERIOD 3 (DEGREES): NULL ; NULL ; NULL REMARK 3 TORSION ANGLES, PERIOD 4 (DEGREES): NULL ; NULL ; NULL REMARK 3 CHIRAL-CENTER RESTRAINTS (A**3): 1392 ; 0.095 ; 0.200 REMARK 3 GENERAL PLANES REFINED ATOMS (A): 10380 ; 0.008 ; 0.020 REMARK 3 GENERAL PLANES OTHERS (A): 1962 ; 0.005 ; 0.020 REMARK 3 NON-BONDED CONTACTS REFINED ATOMS (A): 1616 ; 0.199 ; 0.200 REMARK 3 NON-BONDED CONTACTS OTHERS (A): 9628 ; 0.251 ; 0.200 REMARK 3 NON-BONDED TORSION REFINED ATOMS (A): NULL ; NULL ; NULL REMARK 3 NON-BONDED TORSION OTHERS (A): 5633 ; 0.086 ; 0.200 REMARK 3 H-BOND (X...Y) REFINED ATOMS (A): 325 ; 0.191 ; 0.200 REMARK 3 H-BOND (X...Y) OTHERS (A): NULL ; NULL ; NULL REMARK 3 POTENTIAL METAL-ION REFINED ATOMS (A): 5 ; 0.075 ; 0.200 REMARK 3 POTENTIAL METAL-ION OTHERS (A): NULL ; NULL ; NULL REMARK 3 SYMMETRY VDW REFINED ATOMS (A): 12 ; 0.160 ; 0.200 REMARK 3 SYMMETRY VDW OTHERS (A): 56 ; 0.261 ; 0.200 REMARK 3 SYMMETRY H-BOND REFINED ATOMS (A): 3 ; 0.178 ; 0.200 REMARK 3 SYMMETRY H-BOND OTHERS (A): NULL ; NULL ; NULL REMARK 3 SYMMETRY METAL-ION REFINED ATOMS (A): NULL ; NULL ; NULL REMARK 3 SYMMETRY METAL-ION OTHERS (A): NULL ; NULL ; NULL REMARK 3 REMARK 3 ISOTROPIC THERMAL FACTOR RESTRAINTS. COUNT RMS WEIGHT REMARK 3 MAIN-CHAIN BOND REFINED ATOMS (A**2): 5760 ; 0.679 ; 1.500 REMARK 3 MAIN-CHAIN BOND OTHER ATOMS (A**2): NULL ; NULL ; NULL REMARK 3 MAIN-CHAIN ANGLE REFINED ATOMS (A**2): 9222 ; 1.289 ; 2.000 REMARK 3 SIDE-CHAIN BOND REFINED ATOMS (A**2): 3552 ; 2.077 ; 3.000 REMARK 3 SIDE-CHAIN ANGLE REFINED ATOMS (A**2): 3444 ; 3.387 ; 4.500 REMARK 3 REMARK 3 ANISOTROPIC THERMAL FACTOR RESTRAINTS. COUNT RMS WEIGHT REMARK 3 RIGID-BOND RESTRAINTS (A**2): NULL ; NULL ; NULL REMARK 3 SPHERICITY; FREE ATOMS (A**2): NULL ; NULL ; NULL REMARK 3 SPHERICITY; BONDED ATOMS (A**2): NULL ; NULL ; NULL REMARK 3 REMARK 3 NCS RESTRAINTS STATISTICS REMARK 3 NUMBER OF DIFFERENT NCS GROUPS : 1 REMARK 3 REMARK 3 NCS GROUP NUMBER : 1 REMARK 3 CHAIN NAMES : A B C D E F REMARK 3 NUMBER OF COMPONENTS NCS GROUP : 19 REMARK 3 COMPONENT C SSSEQI TO C SSSEQI CODE REMARK 3 1 A 2 A 5 1 REMARK 3 1 B 2 B 5 1 REMARK 3 1 C 2 C 5 1 REMARK 3 1 D 2 D 5 1 REMARK 3 1 E 2 E 5 1 REMARK 3 1 F 2 F 5 1 REMARK 3 2 A 10 A 13 1 REMARK 3 2 B 10 B 13 1 REMARK 3 2 C 10 C 13 1 REMARK 3 2 D 10 D 13 1 REMARK 3 2 E 10 E 13 1 REMARK 3 2 F 10 F 13 1 REMARK 3 3 A 21 A 25 1 REMARK 3 3 B 21 B 25 1 REMARK 3 3 C 21 C 25 1 REMARK 3 3 D 21 D 25 1 REMARK 3 3 E 21 E 25 1 REMARK 3 3 F 21 F 25 1 REMARK 3 4 A 27 A 35 1 REMARK 3 4 B 27 B 35 1 REMARK 3 4 C 27 C 35 1 REMARK 3 4 D 27 D 35 1 REMARK 3 4 E 27 E 35 1 REMARK 3 4 F 27 F 35 1 REMARK 3 5 A 40 A 46 1 REMARK 3 5 B 40 B 46 1 REMARK 3 5 C 40 C 46 1 REMARK 3 5 D 40 D 46 1 REMARK 3 5 E 40 E 46 1 REMARK 3 5 F 40 F 46 1 REMARK 3 6 A 48 A 54 1 REMARK 3 6 B 48 B 54 1 REMARK 3 6 C 48 C 54 1 REMARK 3 6 D 48 D 54 1 REMARK 3 6 E 48 E 54 1 REMARK 3 6 F 48 F 54 1 REMARK 3 7 A 56 A 58 1 REMARK 3 7 B 56 B 58 1 REMARK 3 7 C 56 C 58 1 REMARK 3 7 D 56 D 58 1 REMARK 3 7 E 56 E 58 1 REMARK 3 7 F 56 F 58 1 REMARK 3 8 A 63 A 66 1 REMARK 3 8 B 63 B 66 1 REMARK 3 8 C 63 C 66 1 REMARK 3 8 D 63 D 66 1 REMARK 3 8 E 63 E 66 1 REMARK 3 8 F 63 F 66 1 REMARK 3 9 A 68 A 70 1 REMARK 3 9 B 68 B 70 1 REMARK 3 9 C 68 C 70 1 REMARK 3 9 D 68 D 70 1 REMARK 3 9 E 68 E 70 1 REMARK 3 9 F 68 F 70 1 REMARK 3 10 A 72 A 74 1 REMARK 3 10 B 72 B 74 1 REMARK 3 10 C 72 C 74 1 REMARK 3 10 D 72 D 74 1 REMARK 3 10 E 72 E 74 1 REMARK 3 10 F 72 F 74 1 REMARK 3 11 A 80 A 83 1 REMARK 3 11 B 80 B 83 1 REMARK 3 11 C 80 C 83 1 REMARK 3 11 D 80 D 83 1 REMARK 3 11 E 80 E 83 1 REMARK 3 11 F 80 F 83 1 REMARK 3 12 A 85 A 120 1 REMARK 3 12 B 85 B 120 1 REMARK 3 12 C 85 C 120 1 REMARK 3 12 D 85 D 120 1 REMARK 3 12 E 85 E 120 1 REMARK 3 12 F 85 F 120 1 REMARK 3 13 A 122 A 124 1 REMARK 3 13 B 122 B 124 1 REMARK 3 13 C 122 C 124 1 REMARK 3 13 D 122 D 124 1 REMARK 3 13 E 122 E 124 1 REMARK 3 13 F 122 F 124 1 REMARK 3 14 A 126 A 143 1 REMARK 3 14 B 126 B 143 1 REMARK 3 14 C 126 C 143 1 REMARK 3 14 D 126 D 143 1 REMARK 3 14 E 126 E 143 1 REMARK 3 14 F 126 F 143 1 REMARK 3 15 A 145 A 149 1 REMARK 3 15 B 145 B 149 1 REMARK 3 15 C 145 C 149 1 REMARK 3 15 D 145 D 149 1 REMARK 3 15 E 145 E 149 1 REMARK 3 15 F 145 F 149 1 REMARK 3 16 A 151 A 172 1 REMARK 3 16 B 151 B 172 1 REMARK 3 16 C 151 C 172 1 REMARK 3 16 D 151 D 172 1 REMARK 3 16 E 151 E 172 1 REMARK 3 16 F 151 F 172 1 REMARK 3 17 A 176 A 180 1 REMARK 3 17 B 176 B 180 1 REMARK 3 17 C 176 C 180 1 REMARK 3 17 D 176 D 180 1 REMARK 3 17 E 176 E 180 1 REMARK 3 17 F 176 F 180 1 REMARK 3 18 A 184 A 188 1 REMARK 3 18 B 184 B 188 1 REMARK 3 18 C 184 C 188 1 REMARK 3 18 D 184 D 188 1 REMARK 3 18 E 184 E 188 1 REMARK 3 18 F 184 F 188 1 REMARK 3 19 A 1194 C 1195 1 REMARK 3 19 B 2194 A 2195 1 REMARK 3 19 C 3194 B 3195 1 REMARK 3 19 D 4194 F 4195 1 REMARK 3 19 E 5194 D 5195 1 REMARK 3 19 F 6194 E 6195 1 REMARK 3 GROUP CHAIN COUNT RMS WEIGHT REMARK 3 TIGHT POSITIONAL 1 A (A): 2226 ; 0.04 ; 0.05 REMARK 3 TIGHT POSITIONAL 1 B (A): 2226 ; 0.05 ; 0.05 REMARK 3 TIGHT POSITIONAL 1 C (A): 2226 ; 0.05 ; 0.05 REMARK 3 TIGHT POSITIONAL 1 D (A): 2226 ; 0.04 ; 0.05 REMARK 3 TIGHT POSITIONAL 1 E (A): 2226 ; 0.04 ; 0.05 REMARK 3 TIGHT POSITIONAL 1 F (A): 2226 ; 0.04 ; 0.05 REMARK 3 TIGHT THERMAL 1 A (A**2): 2226 ; 0.12 ; 0.50 REMARK 3 TIGHT THERMAL 1 B (A**2): 2226 ; 0.12 ; 0.50 REMARK 3 TIGHT THERMAL 1 C (A**2): 2226 ; 0.13 ; 0.50 REMARK 3 TIGHT THERMAL 1 D (A**2): 2226 ; 0.12 ; 0.50 REMARK 3 TIGHT THERMAL 1 E (A**2): 2226 ; 0.12 ; 0.50 REMARK 3 TIGHT THERMAL 1 F (A**2): 2226 ; 0.11 ; 0.50 REMARK 3 REMARK 3 TLS DETAILS REMARK 3 NUMBER OF TLS GROUPS : NULL REMARK 3 REMARK 3 BULK SOLVENT MODELLING. REMARK 3 METHOD USED : MASK REMARK 3 PARAMETERS FOR MASK CALCULATION REMARK 3 VDW PROBE RADIUS : 1.40 REMARK 3 ION PROBE RADIUS : 0.80 REMARK 3 SHRINKAGE RADIUS : 0.80 REMARK 3 REMARK 3 OTHER REFINEMENT REMARKS: HYDROGENS HAVE BEEN ADDED IN THE REMARK 3 RIDING POSITIONS

REMARK 4 REMARK 4 1XS4 COMPLIES WITH FORMAT V. 3.15, 01-DEC-08

REMARK 100 REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY PDBJ ON 21-OCT-04. REMARK 100 THE RCSB ID CODE IS RCSB030703.

REMARK 200 REMARK 200 EXPERIMENTAL DETAILS REMARK 200 EXPERIMENT TYPE : X-RAY DIFFRACTION REMARK 200 DATE OF DATA COLLECTION : 12-SEP-03 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 : MAX II REMARK 200 BEAMLINE : I711 REMARK 200 X-RAY GENERATOR MODEL : NULL REMARK 200 MONOCHROMATIC OR LAUE (M/L) : M REMARK 200 WAVELENGTH OR RANGE (A) : 0.969 REMARK 200 MONOCHROMATOR : SINGLE ASYMMETRICALLY CUT REMARK 200 SI(111) CRYSTAL WITH REMARK 200 HORIZONTAL DIFFRACTION PLANE. REMARK 200 THE CRYSTAL IS BENDABLE FOR REMARK 200 HORIZONTAL FOCUSING. REMARK 200 OPTICS : VERTICALLY FOCUSING REMARK 200 CYLINDRICAL MIRROR. REMARK 200 REMARK 200 DETECTOR TYPE : CCD REMARK 200 DETECTOR MANUFACTURER : MARRESEARCH REMARK 200 INTENSITY-INTEGRATION SOFTWARE : DENZO REMARK 200 DATA SCALING SOFTWARE : SCALEPACK REMARK 200 REMARK 200 NUMBER OF UNIQUE REFLECTIONS : 37005 REMARK 200 RESOLUTION RANGE HIGH (A) : 2.530 REMARK 200 RESOLUTION RANGE LOW (A) : 30.000 REMARK 200 REJECTION CRITERIA (SIGMA(I)) : 0.000 REMARK 200 REMARK 200 OVERALL. REMARK 200 COMPLETENESS FOR RANGE (%) : 98.5 REMARK 200 DATA REDUNDANCY : 3.700 REMARK 200 R MERGE (I) : NULL REMARK 200 R SYM (I) : 0.05200 REMARK 200 <I/SIGMA(I)> FOR THE DATA SET : 25.6000 REMARK 200 REMARK 200 IN THE HIGHEST RESOLUTION SHELL. REMARK 200 HIGHEST RESOLUTION SHELL, RANGE HIGH (A) : 2.53 REMARK 200 HIGHEST RESOLUTION SHELL, RANGE LOW (A) : 2.59 REMARK 200 COMPLETENESS FOR SHELL (%) : 78.2 REMARK 200 DATA REDUNDANCY IN SHELL : NULL REMARK 200 R MERGE FOR SHELL (I) : NULL REMARK 200 R SYM FOR SHELL (I) : 0.09200 REMARK 200 <I/SIGMA(I)> FOR SHELL : 12.500 REMARK 200 REMARK 200 DIFFRACTION PROTOCOL: SINGLE WAVELENGTH REMARK 200 METHOD USED TO DETERMINE THE STRUCTURE: COMBINATION OF SAD AND REMARK 200 MOLECULAR REPLACEMENT REMARK 200 SOFTWARE USED: AMORE REMARK 200 STARTING MODEL: PDB ENTRY 1OGH REMARK 200 REMARK 200 REMARK: NULL

REMARK 280 REMARK 280 CRYSTAL REMARK 280 SOLVENT CONTENT, VS (%): 44.00 REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 2.18 REMARK 280 REMARK 280 CRYSTALLIZATION CONDITIONS: PEG 400, MAGNESIUM CHLORIDE, PH REMARK 280 7.5, VAPOR DIFFUSION, HANGING DROP, TEMPERATURE 298K

REMARK 290 REMARK 290 CRYSTALLOGRAPHIC SYMMETRY REMARK 290 SYMMETRY OPERATORS FOR SPACE GROUP: P 1 21 1 REMARK 290 REMARK 290 SYMOP SYMMETRY REMARK 290 NNNMMM OPERATOR REMARK 290 1555 X,Y,Z REMARK 290 2555 -X,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 48.94100 REMARK 290 SMTRY3 2 0.000000 0.000000 -1.000000 0.00000 REMARK 290 REMARK 290 REMARK: NULL

REMARK 300 REMARK 300 BIOMOLECULE: 1, 2, 3 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 IS A TRIMER AND THE ASYMMETRIC REMARK 300 UNIT CONTAINS TWO TRIMERS. THE FIRST TRIMER IS BUILT FROM CHAIN REMARK 300 A, B AND C AND THE SECOND TRIMER IS BUILT FROM CHAIN D, E AND F.

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: TRIMERIC REMARK 350 SOFTWARE DETERMINED QUATERNARY STRUCTURE: TRIMERIC REMARK 350 SOFTWARE USED: PISA REMARK 350 TOTAL BURIED SURFACE AREA: 14640 ANGSTROM**2 REMARK 350 SURFACE AREA OF THE COMPLEX: 19770 ANGSTROM**2 REMARK 350 CHANGE IN SOLVENT FREE ENERGY: -84.0 KCAL/MOL REMARK 350 APPLY THE FOLLOWING TO CHAINS: A, B, C 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 AUTHOR DETERMINED BIOLOGICAL UNIT: TRIMERIC REMARK 350 SOFTWARE DETERMINED QUATERNARY STRUCTURE: TRIMERIC REMARK 350 SOFTWARE USED: PISA REMARK 350 TOTAL BURIED SURFACE AREA: 14610 ANGSTROM**2 REMARK 350 SURFACE AREA OF THE COMPLEX: 20020 ANGSTROM**2 REMARK 350 CHANGE IN SOLVENT FREE ENERGY: -84.0 KCAL/MOL REMARK 350 APPLY THE FOLLOWING TO CHAINS: 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 350 REMARK 350 BIOMOLECULE: 3 REMARK 350 SOFTWARE DETERMINED QUATERNARY STRUCTURE: HEXAMERIC REMARK 350 SOFTWARE USED: PISA REMARK 350 TOTAL BURIED SURFACE AREA: 33490 ANGSTROM**2 REMARK 350 SURFACE AREA OF THE COMPLEX: 35540 ANGSTROM**2 REMARK 350 CHANGE IN SOLVENT FREE ENERGY: -191.0 KCAL/MOL REMARK 350 APPLY THE FOLLOWING TO CHAINS: A, B, C, D, F, E 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: 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 NZ LYS B 178 OD2 ASP B 193 1.93 REMARK 500 NZ LYS D 178 OD2 ASP D 193 2.03 REMARK 500 NZ LYS C 178 OD2 ASP C 193 2.06 REMARK 500 NZ LYS F 178 OD2 ASP F 193 2.07 REMARK 500 NZ LYS E 178 OD2 ASP E 193 2.08 REMARK 500 O HOH C 3219 O HOH E 6217 2.14 REMARK 500 REMARK 500 REMARK: NULL 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 GLN E 183 CB GLN E 183 CG 0.180 REMARK 500 GLN E 183 CG GLN E 183 CD 0.185 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 ASP A 7 CB - CG - OD2 ANGL. DEV. = 6.8 DEGREES REMARK 500 ASP A 71 CB - CG - OD2 ANGL. DEV. = 7.2 DEGREES REMARK 500 ASP A 76 CB - CG - OD2 ANGL. DEV. = 5.4 DEGREES REMARK 500 ARG A 174 NE - CZ - NH2 ANGL. DEV. = -3.7 DEGREES REMARK 500 ASP A 193 CB - CG - OD2 ANGL. DEV. = 7.0 DEGREES REMARK 500 ASP B 34 CB - CG - OD2 ANGL. DEV. = 6.6 DEGREES REMARK 500 ASP B 66 CB - CG - OD2 ANGL. DEV. = 5.8 DEGREES REMARK 500 ASP B 76 CB - CG - OD2 ANGL. DEV. = 7.3 DEGREES REMARK 500 ARG B 174 NE - CZ - NH2 ANGL. DEV. = -3.4 DEGREES REMARK 500 ASP B 176 CB - CG - OD2 ANGL. DEV. = 5.8 DEGREES REMARK 500 ASP C 59 CB - CG - OD2 ANGL. DEV. = 5.8 DEGREES REMARK 500 ASP C 71 CB - CG - OD2 ANGL. DEV. = 5.5 DEGREES REMARK 500 ARG C 174 NE - CZ - NH1 ANGL. DEV. = 3.2 DEGREES REMARK 500 ARG C 174 NE - CZ - NH2 ANGL. DEV. = -3.2 DEGREES REMARK 500 ASP C 193 CB - CG - OD2 ANGL. DEV. = 6.6 DEGREES REMARK 500 ASP D 7 CB - CG - OD2 ANGL. DEV. = 5.8 DEGREES REMARK 500 ASP D 13 CB - CG - OD2 ANGL. DEV. = 6.6 DEGREES REMARK 500 ASP D 34 CB - CG - OD2 ANGL. DEV. = 5.9 DEGREES REMARK 500 ARG D 36 NE - CZ - NH1 ANGL. DEV. = 4.3 DEGREES REMARK 500 ARG D 174 NE - CZ - NH2 ANGL. DEV. = -3.1 DEGREES REMARK 500 ASP D 193 CB - CG - OD2 ANGL. DEV. = 6.2 DEGREES REMARK 500 ASP E 7 CB - CG - OD2 ANGL. DEV. = 6.3 DEGREES REMARK 500 ASP E 102 CB - CG - OD2 ANGL. DEV. = 5.6 DEGREES REMARK 500 ASP E 128 CB - CG - OD2 ANGL. DEV. = 7.2 DEGREES REMARK 500 ASP E 176 CB - CG - OD2 ANGL. DEV. = 5.7 DEGREES REMARK 500 ASP E 193 CB - CG - OD2 ANGL. DEV. = 7.7 DEGREES REMARK 500 ASP F 7 CB - CG - OD2 ANGL. DEV. = 6.6 DEGREES REMARK 500 ASP F 71 CB - CG - OD2 ANGL. DEV. = 5.8 DEGREES REMARK 500 ASP F 76 CB - CG - OD2 ANGL. DEV. = 6.0 DEGREES REMARK 500 ARG F 174 NE - CZ - NH1 ANGL. DEV. = 3.2 DEGREES REMARK 500 ARG F 174 NE - CZ - NH2 ANGL. DEV. = -4.7 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 THR A 123 55.20 28.77 REMARK 500 HIS A 125 19.21 -141.43 REMARK 500 ARG A 169 70.04 -119.99 REMARK 500 THR B 123 52.78 31.70 REMARK 500 ASN B 181 -2.03 71.25 REMARK 500 ASP C 76 -142.53 -72.46 REMARK 500 THR C 123 51.27 31.25 REMARK 500 ASP D 76 -167.49 -74.46 REMARK 500 THR D 123 54.55 31.13 REMARK 500 THR E 123 53.35 29.42 REMARK 500 PRO F 24 -179.29 -69.41 REMARK 500 THR F 123 54.37 28.06 REMARK 500 HIS F 125 17.77 -143.16 REMARK 500 ASN F 181 54.09 39.92 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 A2195 MG REMARK 620 N RES CSSEQI ATOM REMARK 620 1 DCP B2194 O1A REMARK 620 2 DCP B2194 O2B 87.0 REMARK 620 3 HOH A2222 O 97.3 90.3 REMARK 620 4 HOH B3221 O 171.5 84.4 82.9 REMARK 620 5 DCP B2194 O3G 96.6 85.8 165.4 82.7 REMARK 620 N 1 2 3 4 REMARK 620 REMARK 620 COORDINATION ANGLES FOR: M RES CSSEQI METAL REMARK 620 MG B3195 MG REMARK 620 N RES CSSEQI ATOM REMARK 620 1 DCP C3194 O1A REMARK 620 2 DCP C3194 O2B 86.7 REMARK 620 3 DCP C3194 O3G 93.7 83.6 REMARK 620 4 HOH B3219 O 89.8 92.4 174.5 REMARK 620 N 1 2 3 REMARK 620 REMARK 620 COORDINATION ANGLES FOR: M RES CSSEQI METAL REMARK 620 MG C1195 MG REMARK 620 N RES CSSEQI ATOM REMARK 620 1 HOH A2200 O REMARK 620 2 HOH A2223 O 79.1 REMARK 620 3 DCP A1194 O1A 87.1 88.1 REMARK 620 4 DCP A1194 O2B 176.1 99.9 89.1 REMARK 620 5 DCP A1194 O3G 92.2 169.9 96.7 89.1 REMARK 620 N 1 2 3 4 REMARK 620 REMARK 620 COORDINATION ANGLES FOR: M RES CSSEQI METAL REMARK 620 MG D5195 MG REMARK 620 N RES CSSEQI ATOM REMARK 620 1 HOH E6216 O REMARK 620 2 DCP E5194 O3G 75.5 REMARK 620 3 DCP E5194 O2B 89.3 83.8 REMARK 620 4 HOH E6228 O 104.4 176.0 92.3 REMARK 620 5 DCP E5194 O1A 166.2 90.8 87.5 89.1 REMARK 620 N 1 2 3 4 REMARK 620 REMARK 620 COORDINATION ANGLES FOR: M RES CSSEQI METAL REMARK 620 MG E6195 MG REMARK 620 N RES CSSEQI ATOM REMARK 620 1 DCP F6194 O3G REMARK 620 2 HOH F6197 O 171.0 REMARK 620 3 HOH F6212 O 84.4 93.6 REMARK 620 4 DCP F6194 O2B 85.2 86.2 92.5 REMARK 620 5 DCP F6194 O1A 92.8 88.8 175.8 84.2 REMARK 620 N 1 2 3 4 REMARK 620 REMARK 620 COORDINATION ANGLES FOR: M RES CSSEQI METAL REMARK 620 MG F4195 MG REMARK 620 N RES CSSEQI ATOM REMARK 620 1 DCP D4194 O3G REMARK 620 2 HOH D5208 O 164.4 REMARK 620 3 DCP D4194 O2B 80.0 84.4 REMARK 620 4 DCP D4194 O1A 87.9 87.1 74.2 REMARK 620 N 1 2 3

REMARK 800 REMARK 800 SITE REMARK 800 SITE_IDENTIFIER: AC1 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE MG C 1195 REMARK 800 SITE_IDENTIFIER: AC2 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE MG A 2195 REMARK 800 SITE_IDENTIFIER: AC3 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE MG B 3195 REMARK 800 SITE_IDENTIFIER: AC4 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE MG F 4195 REMARK 800 SITE_IDENTIFIER: AC5 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE MG D 5195 REMARK 800 SITE_IDENTIFIER: AC6 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE MG E 6195 REMARK 800 SITE_IDENTIFIER: AC7 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE DCP A 1194 REMARK 800 SITE_IDENTIFIER: AC8 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE DCP B 2194 REMARK 800 SITE_IDENTIFIER: AC9 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE DCP C 3194 REMARK 800 SITE_IDENTIFIER: BC1 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE DCP D 4194 REMARK 800 SITE_IDENTIFIER: BC2 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE DCP E 5194 REMARK 800 SITE_IDENTIFIER: BC3 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE DCP F 6194

REMARK 900 REMARK 900 RELATED ENTRIES REMARK 900 RELATED ID: 1XS1 RELATED DB: PDB REMARK 900 WILD TYPE ENZYME IN COMPLEX WITH THE PRODUCT DUTP REMARK 900 RELATED ID: 1XS6 RELATED DB: PDB REMARK 900 THE SAME PROTEIN E138A MUTANT COMPLEX WITH DUTP

DBREF 1XS4 A 1 193 UNP P28248 DCD_ECOLI 1 193 DBREF 1XS4 B 1 193 UNP P28248 DCD_ECOLI 1 193 DBREF 1XS4 C 1 193 UNP P28248 DCD_ECOLI 1 193 DBREF 1XS4 D 1 193 UNP P28248 DCD_ECOLI 1 193 DBREF 1XS4 E 1 193 UNP P28248 DCD_ECOLI 1 193 DBREF 1XS4 F 1 193 UNP P28248 DCD_ECOLI 1 193

SEQADV 1XS4 MSE A 1 UNP P28248 MET 1 MODIFIED RESIDUE SEQADV 1XS4 MSE A 69 UNP P28248 MET 69 MODIFIED RESIDUE SEQADV 1XS4 MSE A 119 UNP P28248 MET 119 MODIFIED RESIDUE SEQADV 1XS4 ALA A 138 UNP P28248 GLU 138 ENGINEERED SEQADV 1XS4 MSE A 153 UNP P28248 MET 153 MODIFIED RESIDUE SEQADV 1XS4 MSE B 1 UNP P28248 MET 1 MODIFIED RESIDUE SEQADV 1XS4 MSE B 69 UNP P28248 MET 69 MODIFIED RESIDUE SEQADV 1XS4 MSE B 119 UNP P28248 MET 119 MODIFIED RESIDUE SEQADV 1XS4 ALA B 138 UNP P28248 GLU 138 ENGINEERED SEQADV 1XS4 MSE B 153 UNP P28248 MET 153 MODIFIED RESIDUE SEQADV 1XS4 MSE C 1 UNP P28248 MET 1 MODIFIED RESIDUE SEQADV 1XS4 MSE C 69 UNP P28248 MET 69 MODIFIED RESIDUE SEQADV 1XS4 MSE C 119 UNP P28248 MET 119 MODIFIED RESIDUE SEQADV 1XS4 ALA C 138 UNP P28248 GLU 138 ENGINEERED SEQADV 1XS4 MSE C 153 UNP P28248 MET 153 MODIFIED RESIDUE SEQADV 1XS4 MSE D 1 UNP P28248 MET 1 MODIFIED RESIDUE SEQADV 1XS4 MSE D 69 UNP P28248 MET 69 MODIFIED RESIDUE SEQADV 1XS4 MSE D 119 UNP P28248 MET 119 MODIFIED RESIDUE SEQADV 1XS4 ALA D 138 UNP P28248 GLU 138 ENGINEERED SEQADV 1XS4 MSE D 153 UNP P28248 MET 153 MODIFIED RESIDUE SEQADV 1XS4 MSE E 1 UNP P28248 MET 1 MODIFIED RESIDUE SEQADV 1XS4 MSE E 69 UNP P28248 MET 69 MODIFIED RESIDUE SEQADV 1XS4 MSE E 119 UNP P28248 MET 119 MODIFIED RESIDUE SEQADV 1XS4 ALA E 138 UNP P28248 GLU 138 ENGINEERED SEQADV 1XS4 MSE E 153 UNP P28248 MET 153 MODIFIED RESIDUE SEQADV 1XS4 MSE F 1 UNP P28248 MET 1 MODIFIED RESIDUE SEQADV 1XS4 MSE F 69 UNP P28248 MET 69 MODIFIED RESIDUE SEQADV 1XS4 MSE F 119 UNP P28248 MET 119 MODIFIED RESIDUE SEQADV 1XS4 ALA F 138 UNP P28248 GLU 138 ENGINEERED SEQADV 1XS4 MSE F 153 UNP P28248 MET 153 MODIFIED RESIDUE

SEQRES 1 A 193 MSE ARG LEU CYS ASP ARG ASP ILE GLU ALA TRP LEU ASP SEQRES 2 A 193 GLU GLY ARG LEU SER ILE ASN PRO ARG PRO PRO VAL GLU SEQRES 3 A 193 ARG ILE ASN GLY ALA THR VAL ASP VAL ARG LEU GLY ASN SEQRES 4 A 193 LYS PHE ARG THR PHE ARG GLY HIS THR ALA ALA PHE ILE SEQRES 5 A 193 ASP LEU SER GLY PRO LYS ASP GLU VAL SER ALA ALA LEU SEQRES 6 A 193 ASP ARG VAL MSE SER ASP GLU ILE VAL LEU ASP GLU GLY SEQRES 7 A 193 GLU ALA PHE TYR LEU HIS PRO GLY GLU LEU ALA LEU ALA SEQRES 8 A 193 VAL THR LEU GLU SER VAL THR LEU PRO ALA ASP LEU VAL SEQRES 9 A 193 GLY TRP LEU ASP GLY ARG SER SER LEU ALA ARG LEU GLY SEQRES 10 A 193 LEU MSE VAL HIS VAL THR ALA HIS ARG ILE ASP PRO GLY SEQRES 11 A 193 TRP SER GLY CYS ILE VAL LEU ALA PHE TYR ASN SER GLY SEQRES 12 A 193 LYS LEU PRO LEU ALA LEU ARG PRO GLY MSE LEU ILE GLY SEQRES 13 A 193 ALA LEU SER PHE GLU PRO LEU SER GLY PRO ALA VAL ARG SEQRES 14 A 193 PRO TYR ASN ARG ARG GLU ASP ALA LYS TYR ARG ASN GLN SEQRES 15 A 193 GLN GLY ALA VAL ALA SER ARG ILE ASP LYS ASP SEQRES 1 B 193 MSE ARG LEU CYS ASP ARG ASP ILE GLU ALA TRP LEU ASP SEQRES 2 B 193 GLU GLY ARG LEU SER ILE ASN PRO ARG PRO PRO VAL GLU SEQRES 3 B 193 ARG ILE ASN GLY ALA THR VAL ASP VAL ARG LEU GLY ASN SEQRES 4 B 193 LYS PHE ARG THR PHE ARG GLY HIS THR ALA ALA PHE ILE SEQRES 5 B 193 ASP LEU SER GLY PRO LYS ASP GLU VAL SER ALA ALA LEU SEQRES 6 B 193 ASP ARG VAL MSE SER ASP GLU ILE VAL LEU ASP GLU GLY SEQRES 7 B 193 GLU ALA PHE TYR LEU HIS PRO GLY GLU LEU ALA LEU ALA SEQRES 8 B 193 VAL THR LEU GLU SER VAL THR LEU PRO ALA ASP LEU VAL SEQRES 9 B 193 GLY TRP LEU ASP GLY ARG SER SER LEU ALA ARG LEU GLY SEQRES 10 B 193 LEU MSE VAL HIS VAL THR ALA HIS ARG ILE ASP PRO GLY SEQRES 11 B 193 TRP SER GLY CYS ILE VAL LEU ALA PHE TYR ASN SER GLY SEQRES 12 B 193 LYS LEU PRO LEU ALA LEU ARG PRO GLY MSE LEU ILE GLY SEQRES 13 B 193 ALA LEU SER PHE GLU PRO LEU SER GLY PRO ALA VAL ARG SEQRES 14 B 193 PRO TYR ASN ARG ARG GLU ASP ALA LYS TYR ARG ASN GLN SEQRES 15 B 193 GLN GLY ALA VAL ALA SER ARG ILE ASP LYS ASP SEQRES 1 C 193 MSE ARG LEU CYS ASP ARG ASP ILE GLU ALA TRP LEU ASP SEQRES 2 C 193 GLU GLY ARG LEU SER ILE ASN PRO ARG PRO PRO VAL GLU SEQRES 3 C 193 ARG ILE ASN GLY ALA THR VAL ASP VAL ARG LEU GLY ASN SEQRES 4 C 193 LYS PHE ARG THR PHE ARG GLY HIS THR ALA ALA PHE ILE SEQRES 5 C 193 ASP LEU SER GLY PRO LYS ASP GLU VAL SER ALA ALA LEU SEQRES 6 C 193 ASP ARG VAL MSE SER ASP GLU ILE VAL LEU ASP GLU GLY SEQRES 7 C 193 GLU ALA PHE TYR LEU HIS PRO GLY GLU LEU ALA LEU ALA SEQRES 8 C 193 VAL THR LEU GLU SER VAL THR LEU PRO ALA ASP LEU VAL SEQRES 9 C 193 GLY TRP LEU ASP GLY ARG SER SER LEU ALA ARG LEU GLY SEQRES 10 C 193 LEU MSE VAL HIS VAL THR ALA HIS ARG ILE ASP PRO GLY SEQRES 11 C 193 TRP SER GLY CYS ILE VAL LEU ALA PHE TYR ASN SER GLY SEQRES 12 C 193 LYS LEU PRO LEU ALA LEU ARG PRO GLY MSE LEU ILE GLY SEQRES 13 C 193 ALA LEU SER PHE GLU PRO LEU SER GLY PRO ALA VAL ARG SEQRES 14 C 193 PRO TYR ASN ARG ARG GLU ASP ALA LYS TYR ARG ASN GLN SEQRES 15 C 193 GLN GLY ALA VAL ALA SER ARG ILE ASP LYS ASP SEQRES 1 D 193 MSE ARG LEU CYS ASP ARG ASP ILE GLU ALA TRP LEU ASP SEQRES 2 D 193 GLU GLY ARG LEU SER ILE ASN PRO ARG PRO PRO VAL GLU SEQRES 3 D 193 ARG ILE ASN GLY ALA THR VAL ASP VAL ARG LEU GLY ASN SEQRES 4 D 193 LYS PHE ARG THR PHE ARG GLY HIS THR ALA ALA PHE ILE SEQRES 5 D 193 ASP LEU SER GLY PRO LYS ASP GLU VAL SER ALA ALA LEU SEQRES 6 D 193 ASP ARG VAL MSE SER ASP GLU ILE VAL LEU ASP GLU GLY SEQRES 7 D 193 GLU ALA PHE TYR LEU HIS PRO GLY GLU LEU ALA LEU ALA SEQRES 8 D 193 VAL THR LEU GLU SER VAL THR LEU PRO ALA ASP LEU VAL SEQRES 9 D 193 GLY TRP LEU ASP GLY ARG SER SER LEU ALA ARG LEU GLY SEQRES 10 D 193 LEU MSE VAL HIS VAL THR ALA HIS ARG ILE ASP PRO GLY SEQRES 11 D 193 TRP SER GLY CYS ILE VAL LEU ALA PHE TYR ASN SER GLY SEQRES 12 D 193 LYS LEU PRO LEU ALA LEU ARG PRO GLY MSE LEU ILE GLY SEQRES 13 D 193 ALA LEU SER PHE GLU PRO LEU SER GLY PRO ALA VAL ARG SEQRES 14 D 193 PRO TYR ASN ARG ARG GLU ASP ALA LYS TYR ARG ASN GLN SEQRES 15 D 193 GLN GLY ALA VAL ALA SER ARG ILE ASP LYS ASP SEQRES 1 E 193 MSE ARG LEU CYS ASP ARG ASP ILE GLU ALA TRP LEU ASP SEQRES 2 E 193 GLU GLY ARG LEU SER ILE ASN PRO ARG PRO PRO VAL GLU SEQRES 3 E 193 ARG ILE ASN GLY ALA THR VAL ASP VAL ARG LEU GLY ASN SEQRES 4 E 193 LYS PHE ARG THR PHE ARG GLY HIS THR ALA ALA PHE ILE SEQRES 5 E 193 ASP LEU SER GLY PRO LYS ASP GLU VAL SER ALA ALA LEU SEQRES 6 E 193 ASP ARG VAL MSE SER ASP GLU ILE VAL LEU ASP GLU GLY SEQRES 7 E 193 GLU ALA PHE TYR LEU HIS PRO GLY GLU LEU ALA LEU ALA SEQRES 8 E 193 VAL THR LEU GLU SER VAL THR LEU PRO ALA ASP LEU VAL SEQRES 9 E 193 GLY TRP LEU ASP GLY ARG SER SER LEU ALA ARG LEU GLY SEQRES 10 E 193 LEU MSE VAL HIS VAL THR ALA HIS ARG ILE ASP PRO GLY SEQRES 11 E 193 TRP SER GLY CYS ILE VAL LEU ALA PHE TYR ASN SER GLY SEQRES 12 E 193 LYS LEU PRO LEU ALA LEU ARG PRO GLY MSE LEU ILE GLY SEQRES 13 E 193 ALA LEU SER PHE GLU PRO LEU SER GLY PRO ALA VAL ARG SEQRES 14 E 193 PRO TYR ASN ARG ARG GLU ASP ALA LYS TYR ARG ASN GLN SEQRES 15 E 193 GLN GLY ALA VAL ALA SER ARG ILE ASP LYS ASP SEQRES 1 F 193 MSE ARG LEU CYS ASP ARG ASP ILE GLU ALA TRP LEU ASP SEQRES 2 F 193 GLU GLY ARG LEU SER ILE ASN PRO ARG PRO PRO VAL GLU SEQRES 3 F 193 ARG ILE ASN GLY ALA THR VAL ASP VAL ARG LEU GLY ASN SEQRES 4 F 193 LYS PHE ARG THR PHE ARG GLY HIS THR ALA ALA PHE ILE SEQRES 5 F 193 ASP LEU SER GLY PRO LYS ASP GLU VAL SER ALA ALA LEU SEQRES 6 F 193 ASP ARG VAL MSE SER ASP GLU ILE VAL LEU ASP GLU GLY SEQRES 7 F 193 GLU ALA PHE TYR LEU HIS PRO GLY GLU LEU ALA LEU ALA SEQRES 8 F 193 VAL THR LEU GLU SER VAL THR LEU PRO ALA ASP LEU VAL SEQRES 9 F 193 GLY TRP LEU ASP GLY ARG SER SER LEU ALA ARG LEU GLY SEQRES 10 F 193 LEU MSE VAL HIS VAL THR ALA HIS ARG ILE ASP PRO GLY SEQRES 11 F 193 TRP SER GLY CYS ILE VAL LEU ALA PHE TYR ASN SER GLY SEQRES 12 F 193 LYS LEU PRO LEU ALA LEU ARG PRO GLY MSE LEU ILE GLY SEQRES 13 F 193 ALA LEU SER PHE GLU PRO LEU SER GLY PRO ALA VAL ARG SEQRES 14 F 193 PRO TYR ASN ARG ARG GLU ASP ALA LYS TYR ARG ASN GLN SEQRES 15 F 193 GLN GLY ALA VAL ALA SER ARG ILE ASP LYS ASP

MODRES 1XS4 MSE A 1 MET SELENOMETHIONINE MODRES 1XS4 MSE A 69 MET SELENOMETHIONINE MODRES 1XS4 MSE A 119 MET SELENOMETHIONINE MODRES 1XS4 MSE A 153 MET SELENOMETHIONINE MODRES 1XS4 MSE B 1 MET SELENOMETHIONINE MODRES 1XS4 MSE B 69 MET SELENOMETHIONINE MODRES 1XS4 MSE B 119 MET SELENOMETHIONINE MODRES 1XS4 MSE B 153 MET SELENOMETHIONINE MODRES 1XS4 MSE C 1 MET SELENOMETHIONINE MODRES 1XS4 MSE C 69 MET SELENOMETHIONINE MODRES 1XS4 MSE C 119 MET SELENOMETHIONINE MODRES 1XS4 MSE C 153 MET SELENOMETHIONINE MODRES 1XS4 MSE D 1 MET SELENOMETHIONINE MODRES 1XS4 MSE D 69 MET SELENOMETHIONINE MODRES 1XS4 MSE D 119 MET SELENOMETHIONINE MODRES 1XS4 MSE D 153 MET SELENOMETHIONINE MODRES 1XS4 MSE E 1 MET SELENOMETHIONINE MODRES 1XS4 MSE E 69 MET SELENOMETHIONINE MODRES 1XS4 MSE E 119 MET SELENOMETHIONINE MODRES 1XS4 MSE E 153 MET SELENOMETHIONINE MODRES 1XS4 MSE F 1 MET SELENOMETHIONINE MODRES 1XS4 MSE F 69 MET SELENOMETHIONINE MODRES 1XS4 MSE F 119 MET SELENOMETHIONINE MODRES 1XS4 MSE F 153 MET SELENOMETHIONINE

HET MSE A 1 8 HET MSE A 69 8 HET MSE A 119 8 HET MSE A 153 8 HET MSE B 1 8 HET MSE B 69 8 HET MSE B 119 8 HET MSE B 153 8 HET MSE C 1 8 HET MSE C 69 8 HET MSE C 119 8 HET MSE C 153 8 HET MSE D 1 8 HET MSE D 69 8 HET MSE D 119 8 HET MSE D 153 8 HET MSE E 1 8 HET MSE E 69 8 HET MSE E 119 8 HET MSE E 153 8 HET MSE F 1 8 HET MSE F 69 8 HET MSE F 119 8 HET MSE F 153 8 HET MG C1195 1 HET MG A2195 1 HET MG B3195 1 HET MG F4195 1 HET MG D5195 1 HET MG E6195 1 HET DCP A1194 28 HET DCP B2194 28 HET DCP C3194 28 HET DCP D4194 28 HET DCP E5194 28 HET DCP F6194 28

HETNAM MSE SELENOMETHIONINE HETNAM MG MAGNESIUM ION HETNAM DCP 2'-DEOXYCYTIDINE-5'-TRIPHOSPHATE

FORMUL 1 MSE 24(C5 H11 N O2 SE) FORMUL 7 MG 6(MG 2+) FORMUL 13 DCP 6(C9 H16 N3 O13 P3) FORMUL 19 HOH *229(H2 O)

HELIX 1 1 CYS A 4 GLY A 15 1 12 HELIX 2 2 PRO A 24 GLU A 26 5 3 HELIX 3 3 ARG A 45 ALA A 49 5 5 HELIX 4 4 PRO A 57 MSE A 69 1 13 HELIX 5 5 ARG A 110 ARG A 115 1 6 HELIX 6 6 PRO A 170 ARG A 174 5 5 HELIX 7 7 ARG A 189 ASP A 193 5 5 HELIX 8 8 CYS B 4 GLU B 14 1 11 HELIX 9 9 PRO B 24 GLU B 26 5 3 HELIX 10 10 ARG B 45 ALA B 49 5 5 HELIX 11 11 PRO B 57 MSE B 69 1 13 HELIX 12 12 ARG B 110 ARG B 115 1 6 HELIX 13 13 ARG B 189 ASP B 193 5 5 HELIX 14 14 CYS C 4 GLY C 15 1 12 HELIX 15 15 PRO C 24 GLU C 26 5 3 HELIX 16 16 ARG C 45 ALA C 49 5 5 HELIX 17 17 PRO C 57 MSE C 69 1 13 HELIX 18 18 ARG C 110 ARG C 115 1 6 HELIX 19 19 ARG C 189 ASP C 193 5 5 HELIX 20 20 CYS D 4 GLU D 14 1 11 HELIX 21 21 PRO D 24 GLU D 26 5 3 HELIX 22 22 ARG D 45 ALA D 49 5 5 HELIX 23 23 PRO D 57 MSE D 69 1 13 HELIX 24 24 ARG D 110 ARG D 115 1 6 HELIX 25 25 PRO D 170 ARG D 174 5 5 HELIX 26 26 ARG D 189 ASP D 193 5 5 HELIX 27 27 CYS E 4 GLY E 15 1 12 HELIX 28 28 PRO E 24 GLU E 26 5 3 HELIX 29 29 ARG E 45 ALA E 49 5 5 HELIX 30 30 PRO E 57 MSE E 69 1 13 HELIX 31 31 ARG E 110 ARG E 115 1 6 HELIX 32 32 ARG E 189 ASP E 193 5 5 HELIX 33 33 CYS F 4 GLY F 15 1 12 HELIX 34 34 PRO F 24 GLU F 26 5 3 HELIX 35 35 ARG F 45 ALA F 49 5 5 HELIX 36 36 PRO F 57 MSE F 69 1 13 HELIX 37 37 ARG F 110 ARG F 115 1 6 HELIX 38 38 PRO F 170 ARG F 174 5 5 HELIX 39 39 ARG F 189 ASP F 193 5 5

SHEET 1 A 4 SER A 18 ASN A 20 0 SHEET 2 A 4 LEU A 88 THR A 98 -1 O THR A 98 N SER A 18 SHEET 3 A 4 SER A 132 ASN A 141 -1 O LEU A 137 N ALA A 91 SHEET 4 A 4 LEU A 118 MSE A 119 -1 N MSE A 119 O TYR A 140 SHEET 1 B 5 ILE A 28 ASN A 29 0 SHEET 2 B 5 THR A 32 ARG A 36 -1 O THR A 32 N ASN A 29 SHEET 3 B 5 LEU A 154 PRO A 162 -1 O LEU A 158 N VAL A 33 SHEET 4 B 5 LEU A 103 ASP A 108 -1 N ASP A 108 O ALA A 157 SHEET 5 B 5 ARG A 126 ILE A 127 -1 O ILE A 127 N GLY A 105 SHEET 1 C 2 LYS A 40 PHE A 41 0 SHEET 2 C 2 ILE A 73 VAL A 74 -1 O ILE A 73 N PHE A 41 SHEET 1 D 3 ILE A 52 ASP A 53 0 SHEET 2 D 3 LEU C 147 LEU C 149 1 O ALA C 148 N ILE A 52 SHEET 3 D 3 PHE C 81 LEU C 83 -1 N PHE C 81 O LEU C 149 SHEET 1 E 3 PHE A 81 LEU A 83 0 SHEET 2 E 3 LEU A 147 LEU A 149 -1 O LEU A 149 N PHE A 81 SHEET 3 E 3 ILE B 52 ASP B 53 1 O ILE B 52 N ALA A 148 SHEET 1 F 4 SER B 18 ASN B 20 0 SHEET 2 F 4 LEU B 88 THR B 98 -1 O SER B 96 N ASN B 20 SHEET 3 F 4 SER B 132 ASN B 141 -1 O PHE B 139 N ALA B 89 SHEET 4 F 4 LEU B 118 MSE B 119 -1 N MSE B 119 O TYR B 140 SHEET 1 G 5 ILE B 28 ASN B 29 0 SHEET 2 G 5 THR B 32 ARG B 36 -1 O THR B 32 N ASN B 29 SHEET 3 G 5 LEU B 154 PRO B 162 -1 O LEU B 158 N VAL B 33 SHEET 4 G 5 LEU B 103 ASP B 108 -1 N ASP B 108 O ALA B 157 SHEET 5 G 5 ARG B 126 ILE B 127 -1 O ILE B 127 N GLY B 105 SHEET 1 H 2 LYS B 40 PHE B 41 0 SHEET 2 H 2 ILE B 73 VAL B 74 -1 O ILE B 73 N PHE B 41 SHEET 1 I 3 PHE B 81 LEU B 83 0 SHEET 2 I 3 LEU B 147 LEU B 149 -1 O LEU B 149 N PHE B 81 SHEET 3 I 3 ILE C 52 ASP C 53 1 O ILE C 52 N ALA B 148 SHEET 1 J 4 SER C 18 ASN C 20 0 SHEET 2 J 4 LEU C 88 THR C 98 -1 O SER C 96 N ASN C 20 SHEET 3 J 4 SER C 132 ASN C 141 -1 O GLY C 133 N VAL C 97 SHEET 4 J 4 LEU C 118 MSE C 119 -1 N MSE C 119 O TYR C 140 SHEET 1 K 5 ILE C 28 ASN C 29 0 SHEET 2 K 5 THR C 32 ARG C 36 -1 O THR C 32 N ASN C 29 SHEET 3 K 5 LEU C 154 PRO C 162 -1 O LEU C 158 N VAL C 33 SHEET 4 K 5 LEU C 103 ASP C 108 -1 N VAL C 104 O GLU C 161 SHEET 5 K 5 ARG C 126 ILE C 127 -1 O ILE C 127 N GLY C 105 SHEET 1 L 2 LYS C 40 PHE C 41 0 SHEET 2 L 2 ILE C 73 VAL C 74 -1 O ILE C 73 N PHE C 41 SHEET 1 M 4 SER D 18 ASN D 20 0 SHEET 2 M 4 LEU D 88 THR D 98 -1 O SER D 96 N ASN D 20 SHEET 3 M 4 SER D 132 ASN D 141 -1 O PHE D 139 N ALA D 89 SHEET 4 M 4 LEU D 118 MSE D 119 -1 N MSE D 119 O TYR D 140 SHEET 1 N 5 ILE D 28 ASN D 29 0 SHEET 2 N 5 THR D 32 ARG D 36 -1 O THR D 32 N ASN D 29 SHEET 3 N 5 LEU D 154 PRO D 162 -1 O LEU D 158 N VAL D 33 SHEET 4 N 5 LEU D 103 ASP D 108 -1 N ASP D 108 O ALA D 157 SHEET 5 N 5 ARG D 126 ILE D 127 -1 O ILE D 127 N GLY D 105 SHEET 1 O 2 LYS D 40 PHE D 41 0 SHEET 2 O 2 ILE D 73 VAL D 74 -1 O ILE D 73 N PHE D 41 SHEET 1 P 3 ILE D 52 ASP D 53 0 SHEET 2 P 3 LEU F 147 LEU F 149 1 O ALA F 148 N ILE D 52 SHEET 3 P 3 PHE F 81 LEU F 83 -1 N PHE F 81 O LEU F 149 SHEET 1 Q 3 PHE D 81 LEU D 83 0 SHEET 2 Q 3 LEU D 147 LEU D 149 -1 O LEU D 149 N PHE D 81 SHEET 3 Q 3 ILE E 52 ASP E 53 1 O ILE E 52 N ALA D 148 SHEET 1 R 4 SER E 18 ASN E 20 0 SHEET 2 R 4 LEU E 88 THR E 98 -1 O SER E 96 N ASN E 20 SHEET 3 R 4 SER E 132 ASN E 141 -1 O LEU E 137 N ALA E 91 SHEET 4 R 4 LEU E 118 MSE E 119 -1 N MSE E 119 O TYR E 140 SHEET 1 S 5 ILE E 28 ASN E 29 0 SHEET 2 S 5 THR E 32 ARG E 36 -1 O THR E 32 N ASN E 29 SHEET 3 S 5 LEU E 154 PRO E 162 -1 O LEU E 158 N VAL E 33 SHEET 4 S 5 LEU E 103 ASP E 108 -1 N ASP E 108 O ALA E 157 SHEET 5 S 5 ARG E 126 ILE E 127 -1 O ILE E 127 N GLY E 105 SHEET 1 T 2 LYS E 40 PHE E 41 0 SHEET 2 T 2 ILE E 73 VAL E 74 -1 O ILE E 73 N PHE E 41 SHEET 1 U 3 PHE E 81 LEU E 83 0 SHEET 2 U 3 LEU E 147 LEU E 149 -1 O LEU E 149 N PHE E 81 SHEET 3 U 3 ILE F 52 ASP F 53 1 O ILE F 52 N ALA E 148 SHEET 1 V 4 SER F 18 ASN F 20 0 SHEET 2 V 4 LEU F 88 THR F 98 -1 O SER F 96 N ASN F 20 SHEET 3 V 4 SER F 132 ASN F 141 -1 O PHE F 139 N ALA F 89 SHEET 4 V 4 LEU F 118 MSE F 119 -1 N MSE F 119 O TYR F 140 SHEET 1 W 5 ILE F 28 ASN F 29 0 SHEET 2 W 5 THR F 32 ARG F 36 -1 O THR F 32 N ASN F 29 SHEET 3 W 5 LEU F 154 PRO F 162 -1 O LEU F 158 N VAL F 33 SHEET 4 W 5 LEU F 103 ASP F 108 -1 N ASP F 108 O ALA F 157 SHEET 5 W 5 ARG F 126 ILE F 127 -1 O ILE F 127 N GLY F 105 SHEET 1 X 2 LYS F 40 PHE F 41 0 SHEET 2 X 2 ILE F 73 VAL F 74 -1 O ILE F 73 N PHE F 41

LINK C MSE A 1 N ARG A 2 1555 1555 1.33 LINK C VAL A 68 N MSE A 69 1555 1555 1.32 LINK C MSE A 69 N SER A 70 1555 1555 1.33 LINK C LEU A 118 N MSE A 119 1555 1555 1.33 LINK C MSE A 119 N VAL A 120 1555 1555 1.32 LINK C GLY A 152 N MSE A 153 1555 1555 1.32 LINK C MSE A 153 N LEU A 154 1555 1555 1.33 LINK MG MG A2195 O1A DCP B2194 1555 1555 2.00 LINK MG MG A2195 O2B DCP B2194 1555 1555 2.06 LINK MG MG A2195 O HOH A2222 1555 1555 2.21 LINK MG MG A2195 O HOH B3221 1555 1555 2.23 LINK MG MG A2195 O3G DCP B2194 1555 1555 2.00 LINK C MSE B 1 N ARG B 2 1555 1555 1.33 LINK C VAL B 68 N MSE B 69 1555 1555 1.33 LINK C MSE B 69 N SER B 70 1555 1555 1.33 LINK C LEU B 118 N MSE B 119 1555 1555 1.33 LINK C MSE B 119 N VAL B 120 1555 1555 1.33 LINK C GLY B 152 N MSE B 153 1555 1555 1.33 LINK C MSE B 153 N LEU B 154 1555 1555 1.32 LINK MG MG B3195 O1A DCP C3194 1555 1555 2.01 LINK MG MG B3195 O2B DCP C3194 1555 1555 2.10 LINK MG MG B3195 O3G DCP C3194 1555 1555 2.06 LINK MG MG B3195 O HOH B3219 1555 1555 2.46 LINK C MSE C 1 N ARG C 2 1555 1555 1.35 LINK C VAL C 68 N MSE C 69 1555 1555 1.32 LINK C MSE C 69 N SER C 70 1555 1555 1.33 LINK C LEU C 118 N MSE C 119 1555 1555 1.34 LINK C MSE C 119 N VAL C 120 1555 1555 1.34 LINK C GLY C 152 N MSE C 153 1555 1555 1.32 LINK C MSE C 153 N LEU C 154 1555 1555 1.33 LINK MG MG C1195 O HOH A2200 1555 1555 2.23 LINK MG MG C1195 O HOH A2223 1555 1555 2.05 LINK MG MG C1195 O1A DCP A1194 1555 1555 1.95 LINK MG MG C1195 O2B DCP A1194 1555 1555 1.87 LINK MG MG C1195 O3G DCP A1194 1555 1555 1.92 LINK C MSE D 1 N ARG D 2 1555 1555 1.33 LINK C VAL D 68 N MSE D 69 1555 1555 1.32 LINK C MSE D 69 N SER D 70 1555 1555 1.32 LINK C LEU D 118 N MSE D 119 1555 1555 1.32 LINK C MSE D 119 N VAL D 120 1555 1555 1.33 LINK C GLY D 152 N MSE D 153 1555 1555 1.33 LINK C MSE D 153 N LEU D 154 1555 1555 1.32 LINK MG MG D5195 O HOH E6216 1555 1555 2.14 LINK MG MG D5195 O3G DCP E5194 1555 1555 2.04 LINK MG MG D5195 O2B DCP E5194 1555 1555 2.15 LINK MG MG D5195 O HOH E6228 1555 1555 2.23 LINK MG MG D5195 O1A DCP E5194 1555 1555 1.92 LINK C MSE E 1 N ARG E 2 1555 1555 1.33 LINK C VAL E 68 N MSE E 69 1555 1555 1.32 LINK C MSE E 69 N SER E 70 1555 1555 1.33 LINK C LEU E 118 N MSE E 119 1555 1555 1.33 LINK C MSE E 119 N VAL E 120 1555 1555 1.34 LINK C GLY E 152 N MSE E 153 1555 1555 1.32 LINK C MSE E 153 N LEU E 154 1555 1555 1.32 LINK MG MG E6195 O3G DCP F6194 1555 1555 2.07 LINK MG MG E6195 O HOH F6197 1555 1555 2.11 LINK MG MG E6195 O HOH F6212 1555 1555 2.26 LINK MG MG E6195 O2B DCP F6194 1555 1555 1.99 LINK MG MG E6195 O1A DCP F6194 1555 1555 2.11 LINK C MSE F 1 N ARG F 2 1555 1555 1.32 LINK C VAL F 68 N MSE F 69 1555 1555 1.32 LINK C MSE F 69 N SER F 70 1555 1555 1.32 LINK C LEU F 118 N MSE F 119 1555 1555 1.34 LINK C MSE F 119 N VAL F 120 1555 1555 1.33 LINK C GLY F 152 N MSE F 153 1555 1555 1.33 LINK C MSE F 153 N LEU F 154 1555 1555 1.32 LINK MG MG F4195 O3G DCP D4194 1555 1555 2.01 LINK MG MG F4195 O HOH D5208 1555 1555 2.19 LINK MG MG F4195 O2B DCP D4194 1555 1555 2.26 LINK MG MG F4195 O1A DCP D4194 1555 1555 2.10

CISPEP 1 ASN A 20 PRO A 21 0 -7.68 CISPEP 2 ASN B 20 PRO B 21 0 -2.50 CISPEP 3 ASN C 20 PRO C 21 0 -5.49 CISPEP 4 ASN D 20 PRO D 21 0 -5.28 CISPEP 5 ASN E 20 PRO E 21 0 -6.38 CISPEP 6 ASN F 20 PRO F 21 0 -8.72

SITE 1 AC1 3 DCP A1194 HOH A2200 HOH A2223 SITE 1 AC2 3 HOH A2222 DCP B2194 HOH B3221 SITE 1 AC3 2 HOH B3219 DCP C3194 SITE 1 AC4 2 DCP D4194 HOH D5208 SITE 1 AC5 3 DCP E5194 HOH E6216 HOH E6228 SITE 1 AC6 3 DCP F6194 HOH F6197 HOH F6212 SITE 1 AC7 23 ALA A 124 ARG A 126 ASP A 128 TRP A 131 SITE 2 AC7 23 ILE A 135 VAL A 136 TYR A 171 ARG A 174 SITE 3 AC7 23 ALA A 177 LYS A 178 TYR A 179 GLN A 182 SITE 4 AC7 23 HOH A2200 HOH A2219 HOH A2221 HOH A2223 SITE 5 AC7 23 HOH A2225 HOH A2231 ARG C 110 SER C 111 SITE 6 AC7 23 SER C 112 ARG C 115 MG C1195 SITE 1 AC8 23 ARG A 110 SER A 111 SER A 112 ARG A 115 SITE 2 AC8 23 MG A2195 HOH A2222 HOH A2232 ALA B 124 SITE 3 AC8 23 ARG B 126 ASP B 128 TRP B 131 ILE B 135 SITE 4 AC8 23 VAL B 136 TYR B 171 ARG B 174 ALA B 177 SITE 5 AC8 23 LYS B 178 TYR B 179 GLN B 182 HOH B3198 SITE 6 AC8 23 HOH B3220 HOH B3221 HOH B3226 SITE 1 AC9 20 ARG B 110 SER B 111 SER B 112 ARG B 115 SITE 2 AC9 20 MG B3195 ALA C 124 ARG C 126 ASP C 128 SITE 3 AC9 20 TRP C 131 ILE C 135 VAL C 136 TYR C 171 SITE 4 AC9 20 ARG C 174 ALA C 177 LYS C 178 TYR C 179 SITE 5 AC9 20 GLN C 182 HOH C3198 HOH C3204 HOH C3220 SITE 1 BC1 23 ALA D 124 ARG D 126 ASP D 128 TRP D 131 SITE 2 BC1 23 ILE D 135 VAL D 136 TYR D 171 ARG D 174 SITE 3 BC1 23 ALA D 177 LYS D 178 TYR D 179 GLN D 182 SITE 4 BC1 23 HOH D5203 HOH D5208 HOH D5217 HOH D5227 SITE 5 BC1 23 HOH D5231 ARG F 110 SER F 111 SER F 112 SITE 6 BC1 23 ARG F 115 MG F4195 HOH F6228 SITE 1 BC2 22 ARG D 110 SER D 111 SER D 112 ARG D 115 SITE 2 BC2 22 MG D5195 HOH D5233 ALA E 124 ARG E 126 SITE 3 BC2 22 ASP E 128 TRP E 131 ILE E 135 VAL E 136 SITE 4 BC2 22 TYR E 171 ARG E 174 ALA E 177 LYS E 178 SITE 5 BC2 22 TYR E 179 GLN E 182 HOH E6216 HOH E6228 SITE 6 BC2 22 HOH E6230 HOH E6245 SITE 1 BC3 23 ARG E 110 SER E 111 SER E 112 ARG E 115 SITE 2 BC3 23 MG E6195 ALA F 124 ARG F 126 ASP F 128 SITE 3 BC3 23 TRP F 131 ILE F 135 VAL F 136 TYR F 171 SITE 4 BC3 23 ARG F 174 ALA F 177 LYS F 178 TYR F 179 SITE 5 BC3 23 GLN F 182 HOH F6195 HOH F6197 HOH F6211 SITE 6 BC3 23 HOH F6212 HOH F6218 HOH F6227

CRYST1 63.272 97.882 95.116 90.00 109.23 90.00 P 1 21 1 12

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 0.015805 0.000000 0.005512 0.00000

SCALE2 0.000000 0.010216 0.000000 0.00000

SCALE3 0.000000 0.000000 0.011134 0.00000