4R1R - Header Asymmetric Unit

HEADER COMPLEX (OXIDOREDUCTASE/PEPTIDE) 22-JUL-97 4R1R

TITLE RIBONUCLEOTIDE REDUCTASE R1 PROTEIN WITH SUBSTRATE, GDP AND TITLE 2 EFFECTOR DTTP FROM ESCHERICHIA COLI

COMPND MOL_ID: 1; COMPND 2 MOLECULE: RIBONUCLEOTIDE REDUCTASE R1 PROTEIN; COMPND 3 CHAIN: A, B, C; COMPND 4 EC: 1.17.4.1; COMPND 5 ENGINEERED: YES; COMPND 6 MUTATION: YES; COMPND 7 MOL_ID: 2; COMPND 8 MOLECULE: RIBONUCLEOTIDE REDUCTASE R2 PROTEIN; COMPND 9 CHAIN: D, E, F, P; COMPND 10 FRAGMENT: C-TERMINAL PORTION, 20 RESIDUES; COMPND 11 ENGINEERED: YES

SOURCE MOL_ID: 1; SOURCE 2 ORGANISM_SCIENTIFIC: ESCHERICHIA COLI; SOURCE 3 ORGANISM_TAXID: 562; SOURCE 4 GENE: NRDA; 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

KEYWDS RIBONUCLEOTIDE REDUCTASE, DEOXYRIBONUCLEOTIDE SYNTHESIS, KEYWDS 2 RADICAL CHEMISTRY, ALLOSTERIC REGULATION, SPECIFICITY, KEYWDS 3 COMPLEX (OXIDOREDUCTASE/PEPTIDE)

EXPDTA X-RAY DIFFRACTION

AUTHOR M.ERIKSSON,H.EKLUND

REVDAT 2 24-FEB-09 4R1R 1 VERSN REVDAT 1 28-JAN-98 4R1R 0

JRNL AUTH M.ERIKSSON,U.UHLIN,S.RAMASWAMY,M.EKBERG, JRNL AUTH 2 K.REGNSTROM,B.M.SJOBERG,H.EKLUND JRNL TITL BINDING OF ALLOSTERIC EFFECTORS TO RIBONUCLEOTIDE JRNL TITL 2 REDUCTASE PROTEIN R1: REDUCTION OF ACTIVE-SITE JRNL TITL 3 CYSTEINES PROMOTES SUBSTRATE BINDING. JRNL REF STRUCTURE V. 5 1077 1997 JRNL REFN ISSN 0969-2126 JRNL PMID 9309223 JRNL DOI 10.1016/S0969-2126(97)00259-1

REMARK 1 REMARK 1 REFERENCE 1 REMARK 1 AUTH U.UHLIN,H.EKLUND REMARK 1 TITL STRUCTURE OF RIBONUCLEOTIDE REDUCTASE PROTEIN R1 REMARK 1 REF NATURE V. 370 533 1994 REMARK 1 REFN ISSN 0028-0836

REMARK 2 REMARK 2 RESOLUTION. 3.20 ANGSTROMS.

REMARK 3 REMARK 3 REFINEMENT. REMARK 3 PROGRAM : REFMAC, TNT REMARK 3 AUTHORS : MURSHUDOV,VAGIN,DODSON REMARK 3 REMARK 3 DATA USED IN REFINEMENT. REMARK 3 RESOLUTION RANGE HIGH (ANGSTROMS) : 3.20 REMARK 3 RESOLUTION RANGE LOW (ANGSTROMS) : 20.00 REMARK 3 DATA CUTOFF (SIGMA(F)) : 0.000 REMARK 3 COMPLETENESS FOR RANGE (%) : 96.1 REMARK 3 NUMBER OF REFLECTIONS : 65054 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) : 0.278 REMARK 3 R VALUE (WORKING SET) : NULL REMARK 3 FREE R VALUE : 0.308 REMARK 3 FREE R VALUE TEST SET SIZE (%) : 2.000 REMARK 3 FREE R VALUE TEST SET COUNT : NULL REMARK 3 REMARK 3 NUMBER OF NON-HYDROGEN ATOMS USED IN REFINEMENT. REMARK 3 PROTEIN ATOMS : 17925 REMARK 3 NUCLEIC ACID ATOMS : 0 REMARK 3 HETEROGEN ATOMS : 174 REMARK 3 SOLVENT ATOMS : 0 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 ESTIMATED OVERALL COORDINATE ERROR. REMARK 3 ESU BASED ON R VALUE (A): NULL REMARK 3 ESU BASED ON FREE R VALUE (A): NULL REMARK 3 ESU BASED ON MAXIMUM LIKELIHOOD (A): NULL REMARK 3 ESU FOR B VALUES BASED ON MAXIMUM LIKELIHOOD (A**2): NULL REMARK 3 REMARK 3 RMS DEVIATIONS FROM IDEAL VALUES. REMARK 3 DISTANCE RESTRAINTS. RMS SIGMA REMARK 3 BOND LENGTH (A) : NULL ; NULL REMARK 3 ANGLE DISTANCE (A) : NULL ; NULL REMARK 3 INTRAPLANAR 1-4 DISTANCE (A) : NULL ; NULL REMARK 3 H-BOND OR METAL COORDINATION (A) : NULL ; NULL REMARK 3 REMARK 3 PLANE RESTRAINT (A) : NULL ; NULL REMARK 3 CHIRAL-CENTER RESTRAINT (A**3) : NULL ; NULL REMARK 3 REMARK 3 NON-BONDED CONTACT RESTRAINTS. REMARK 3 SINGLE TORSION (A) : NULL ; NULL REMARK 3 MULTIPLE TORSION (A) : NULL ; NULL REMARK 3 H-BOND (X...Y) (A) : NULL ; NULL REMARK 3 H-BOND (X-H...Y) (A) : NULL ; NULL REMARK 3 REMARK 3 CONFORMATIONAL TORSION ANGLE RESTRAINTS. REMARK 3 SPECIFIED (DEGREES) : NULL ; NULL REMARK 3 PLANAR (DEGREES) : NULL ; NULL REMARK 3 STAGGERED (DEGREES) : NULL ; NULL REMARK 3 TRANSVERSE (DEGREES) : NULL ; 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 OTHER REFINEMENT REMARKS: NULL

REMARK 4 REMARK 4 4R1R 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 : MAR-97 REMARK 200 TEMPERATURE (KELVIN) : 100 REMARK 200 PH : 6.0 REMARK 200 NUMBER OF CRYSTALS USED : 1 REMARK 200 REMARK 200 SYNCHROTRON (Y/N) : N REMARK 200 RADIATION SOURCE : ROTATING ANODE REMARK 200 BEAMLINE : NULL REMARK 200 X-RAY GENERATOR MODEL : RIGAKU RUH2R REMARK 200 MONOCHROMATIC OR LAUE (M/L) : M REMARK 200 WAVELENGTH OR RANGE (A) : 1.5418 REMARK 200 MONOCHROMATOR : NULL REMARK 200 OPTICS : MIRRORS REMARK 200 REMARK 200 DETECTOR TYPE : IMAGE PLATE REMARK 200 DETECTOR MANUFACTURER : RIGAKU REMARK 200 INTENSITY-INTEGRATION SOFTWARE : DENZO REMARK 200 DATA SCALING SOFTWARE : SCALEPACK REMARK 200 REMARK 200 NUMBER OF UNIQUE REFLECTIONS : 53514 REMARK 200 RESOLUTION RANGE HIGH (A) : 3.200 REMARK 200 RESOLUTION RANGE LOW (A) : 45.000 REMARK 200 REJECTION CRITERIA (SIGMA(I)) : -3.000 REMARK 200 REMARK 200 OVERALL. REMARK 200 COMPLETENESS FOR RANGE (%) : 97.2 REMARK 200 DATA REDUNDANCY : 2.800 REMARK 200 R MERGE (I) : 0.07000 REMARK 200 R SYM (I) : 0.07000 REMARK 200 <I/SIGMA(I)> FOR THE DATA SET : 11.2000 REMARK 200 REMARK 200 IN THE HIGHEST RESOLUTION SHELL. REMARK 200 HIGHEST RESOLUTION SHELL, RANGE HIGH (A) : 3.20 REMARK 200 HIGHEST RESOLUTION SHELL, RANGE LOW (A) : 3.40 REMARK 200 COMPLETENESS FOR SHELL (%) : 93.6 REMARK 200 DATA REDUNDANCY IN SHELL : 2.00 REMARK 200 R MERGE FOR SHELL (I) : 0.30800 REMARK 200 R SYM FOR SHELL (I) : 0.30800 REMARK 200 <I/SIGMA(I)> FOR SHELL : 2.500 REMARK 200 REMARK 200 DIFFRACTION PROTOCOL: NULL REMARK 200 METHOD USED TO DETERMINE THE STRUCTURE: RIGID BODY REMARK 200 SOFTWARE USED: TNT REMARK 200 STARTING MODEL: NULL REMARK 200 REMARK 200 REMARK: NULL

REMARK 280 REMARK 280 CRYSTAL REMARK 280 SOLVENT CONTENT, VS (%): 56.50 REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 3.04 REMARK 280 REMARK 280 CRYSTALLIZATION CONDITIONS: PROTEIN WAS CRYSTALLIZED FROM 1.7 M REMARK 280 LITHIUM SULFATE, AND 10 MM MAGNESIUM SULFATE IN 25 MM CITRATE REMARK 280 BUFFER AT PH 6.0. THE PROTEIN SOLUTION CONTAINED 17 MG/ML R1 REMARK 280 PROTEIN, 20-FOLD EXCESS FO A 20-RESIDUE PEPTIDE CORRESPONDING REMARK 280 TO THE C-TERMINUS OF THE R2 SUBUNIT AND IS ESSENTIAL FOR REMARK 280 CRYSTALLIZATION. 10 MM DTTP AND 10 MM GDP WAS ADDED TO THE REMARK 280 PROTEIN SOLUTION 48 H BEFORE FREEZING THE PROTEIN CRYSTALS

REMARK 290 REMARK 290 CRYSTALLOGRAPHIC SYMMETRY REMARK 290 SYMMETRY OPERATORS FOR SPACE GROUP: H 3 2 REMARK 290 REMARK 290 SYMOP SYMMETRY REMARK 290 NNNMMM OPERATOR REMARK 290 1555 X,Y,Z REMARK 290 2555 -Y,X-Y,Z REMARK 290 3555 -X+Y,-X,Z REMARK 290 4555 Y,X,-Z REMARK 290 5555 X-Y,-Y,-Z REMARK 290 6555 -X,-X+Y,-Z REMARK 290 7555 X+2/3,Y+1/3,Z+1/3 REMARK 290 8555 -Y+2/3,X-Y+1/3,Z+1/3 REMARK 290 9555 -X+Y+2/3,-X+1/3,Z+1/3 REMARK 290 10555 Y+2/3,X+1/3,-Z+1/3 REMARK 290 11555 X-Y+2/3,-Y+1/3,-Z+1/3 REMARK 290 12555 -X+2/3,-X+Y+1/3,-Z+1/3 REMARK 290 13555 X+1/3,Y+2/3,Z+2/3 REMARK 290 14555 -Y+1/3,X-Y+2/3,Z+2/3 REMARK 290 15555 -X+Y+1/3,-X+2/3,Z+2/3 REMARK 290 16555 Y+1/3,X+2/3,-Z+2/3 REMARK 290 17555 X-Y+1/3,-Y+2/3,-Z+2/3 REMARK 290 18555 -X+1/3,-X+Y+2/3,-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 0.00000 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 0.00000 REMARK 290 SMTRY1 4 -0.500000 0.866025 0.000000 0.00000 REMARK 290 SMTRY2 4 0.866025 0.500000 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 0.00000 REMARK 290 SMTRY2 5 0.000000 -1.000000 0.000000 0.00000 REMARK 290 SMTRY3 5 0.000000 0.000000 -1.000000 0.00000 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 0.00000 REMARK 290 SMTRY1 7 1.000000 0.000000 0.000000 112.01000 REMARK 290 SMTRY2 7 0.000000 1.000000 0.000000 64.66900 REMARK 290 SMTRY3 7 0.000000 0.000000 1.000000 111.99000 REMARK 290 SMTRY1 8 -0.500000 -0.866025 0.000000 112.01000 REMARK 290 SMTRY2 8 0.866025 -0.500000 0.000000 64.66900 REMARK 290 SMTRY3 8 0.000000 0.000000 1.000000 111.99000 REMARK 290 SMTRY1 9 -0.500000 0.866025 0.000000 112.01000 REMARK 290 SMTRY2 9 -0.866025 -0.500000 0.000000 64.66900 REMARK 290 SMTRY3 9 0.000000 0.000000 1.000000 111.99000 REMARK 290 SMTRY1 10 -0.500000 0.866025 0.000000 112.01000 REMARK 290 SMTRY2 10 0.866025 0.500000 0.000000 64.66900 REMARK 290 SMTRY3 10 0.000000 0.000000 -1.000000 111.99000 REMARK 290 SMTRY1 11 1.000000 0.000000 0.000000 112.01000 REMARK 290 SMTRY2 11 0.000000 -1.000000 0.000000 64.66900 REMARK 290 SMTRY3 11 0.000000 0.000000 -1.000000 111.99000 REMARK 290 SMTRY1 12 -0.500000 -0.866025 0.000000 112.01000 REMARK 290 SMTRY2 12 -0.866025 0.500000 0.000000 64.66900 REMARK 290 SMTRY3 12 0.000000 0.000000 -1.000000 111.99000 REMARK 290 SMTRY1 13 1.000000 0.000000 0.000000 0.00000 REMARK 290 SMTRY2 13 0.000000 1.000000 0.000000 129.33801 REMARK 290 SMTRY3 13 0.000000 0.000000 1.000000 223.98000 REMARK 290 SMTRY1 14 -0.500000 -0.866025 0.000000 0.00000 REMARK 290 SMTRY2 14 0.866025 -0.500000 0.000000 129.33801 REMARK 290 SMTRY3 14 0.000000 0.000000 1.000000 223.98000 REMARK 290 SMTRY1 15 -0.500000 0.866025 0.000000 0.00000 REMARK 290 SMTRY2 15 -0.866025 -0.500000 0.000000 129.33801 REMARK 290 SMTRY3 15 0.000000 0.000000 1.000000 223.98000 REMARK 290 SMTRY1 16 -0.500000 0.866025 0.000000 0.00000 REMARK 290 SMTRY2 16 0.866025 0.500000 0.000000 129.33801 REMARK 290 SMTRY3 16 0.000000 0.000000 -1.000000 223.98000 REMARK 290 SMTRY1 17 1.000000 0.000000 0.000000 0.00000 REMARK 290 SMTRY2 17 0.000000 -1.000000 0.000000 129.33801 REMARK 290 SMTRY3 17 0.000000 0.000000 -1.000000 223.98000 REMARK 290 SMTRY1 18 -0.500000 -0.866025 0.000000 0.00000 REMARK 290 SMTRY2 18 -0.866025 0.500000 0.000000 129.33801 REMARK 290 SMTRY3 18 0.000000 0.000000 -1.000000 223.98000 REMARK 290 REMARK 290 REMARK: NULL

REMARK 300 REMARK 300 BIOMOLECULE: 1, 2, 3, 4, 5, 6, 7, 8, 9, 10 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: TRIMERIC REMARK 350 APPLY THE FOLLOWING TO CHAINS: A, D, P 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: DIMERIC REMARK 350 SOFTWARE DETERMINED QUATERNARY STRUCTURE: DIMERIC REMARK 350 SOFTWARE USED: PISA REMARK 350 TOTAL BURIED SURFACE AREA: 3010 ANGSTROM**2 REMARK 350 SURFACE AREA OF THE COMPLEX: 28980 ANGSTROM**2 REMARK 350 CHANGE IN SOLVENT FREE ENERGY: -23.0 KCAL/MOL REMARK 350 APPLY THE FOLLOWING TO CHAINS: B, 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 350 REMARK 350 BIOMOLECULE: 3 REMARK 350 AUTHOR DETERMINED BIOLOGICAL UNIT: DIMERIC REMARK 350 SOFTWARE DETERMINED QUATERNARY STRUCTURE: DIMERIC REMARK 350 SOFTWARE USED: PISA REMARK 350 TOTAL BURIED SURFACE AREA: 3010 ANGSTROM**2 REMARK 350 SURFACE AREA OF THE COMPLEX: 28990 ANGSTROM**2 REMARK 350 CHANGE IN SOLVENT FREE ENERGY: -23.0 KCAL/MOL REMARK 350 APPLY THE FOLLOWING TO CHAINS: C, 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: 4 REMARK 350 SOFTWARE DETERMINED QUATERNARY STRUCTURE: PENTADECAMERIC REMARK 350 SOFTWARE USED: PISA REMARK 350 TOTAL BURIED SURFACE AREA: 38270 ANGSTROM**2 REMARK 350 SURFACE AREA OF THE COMPLEX: 155520 ANGSTROM**2 REMARK 350 CHANGE IN SOLVENT FREE ENERGY: -196.0 KCAL/MOL REMARK 350 APPLY THE FOLLOWING TO CHAINS: A, D, B, E, P 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 -0.500000 -0.866025 0.000000 112.01000 REMARK 350 BIOMT2 2 0.866025 -0.500000 0.000000 194.00701 REMARK 350 BIOMT3 2 0.000000 0.000000 1.000000 0.00000 REMARK 350 BIOMT1 3 -0.500000 0.866025 0.000000 -112.01000 REMARK 350 BIOMT2 3 -0.866025 -0.500000 0.000000 194.00701 REMARK 350 BIOMT3 3 0.000000 0.000000 1.000000 0.00000 REMARK 350 REMARK 350 BIOMOLECULE: 5 REMARK 350 SOFTWARE DETERMINED QUATERNARY STRUCTURE: DODECAMERIC REMARK 350 SOFTWARE USED: PISA REMARK 350 TOTAL BURIED SURFACE AREA: 36360 ANGSTROM**2 REMARK 350 SURFACE AREA OF THE COMPLEX: 155640 ANGSTROM**2 REMARK 350 CHANGE IN SOLVENT FREE ENERGY: -189.0 KCAL/MOL REMARK 350 APPLY THE FOLLOWING TO CHAINS: C, 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 BIOMT1 2 -0.500000 -0.866025 0.000000 0.00000 REMARK 350 BIOMT2 2 0.866025 -0.500000 0.000000 0.00000 REMARK 350 BIOMT3 2 0.000000 0.000000 1.000000 0.00000 REMARK 350 BIOMT1 3 -0.500000 0.866025 0.000000 0.00000 REMARK 350 BIOMT2 3 -0.866025 -0.500000 0.000000 0.00000 REMARK 350 BIOMT3 3 0.000000 0.000000 1.000000 0.00000 REMARK 350 BIOMT1 4 -0.500000 0.866025 0.000000 0.00000 REMARK 350 BIOMT2 4 0.866025 0.500000 0.000000 0.00000 REMARK 350 BIOMT3 4 0.000000 0.000000 -1.000000 0.00000 REMARK 350 BIOMT1 5 1.000000 0.000000 0.000000 0.00000 REMARK 350 BIOMT2 5 0.000000 -1.000000 0.000000 0.00000 REMARK 350 BIOMT3 5 0.000000 0.000000 -1.000000 0.00000 REMARK 350 BIOMT1 6 -0.500000 -0.866025 0.000000 0.00000 REMARK 350 BIOMT2 6 -0.866025 0.500000 0.000000 0.00000 REMARK 350 BIOMT3 6 0.000000 0.000000 -1.000000 0.00000 REMARK 350 REMARK 350 BIOMOLECULE: 6 REMARK 350 SOFTWARE DETERMINED QUATERNARY STRUCTURE: PENTAMERIC REMARK 350 SOFTWARE USED: PISA REMARK 350 TOTAL BURIED SURFACE AREA: 9580 ANGSTROM**2 REMARK 350 SURFACE AREA OF THE COMPLEX: 55010 ANGSTROM**2 REMARK 350 CHANGE IN SOLVENT FREE ENERGY: -53.0 KCAL/MOL REMARK 350 APPLY THE FOLLOWING TO CHAINS: A, D, B, E, P 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: 7 REMARK 350 SOFTWARE DETERMINED QUATERNARY STRUCTURE: TETRAMERIC REMARK 350 SOFTWARE USED: PISA REMARK 350 TOTAL BURIED SURFACE AREA: 9050 ANGSTROM**2 REMARK 350 SURFACE AREA OF THE COMPLEX: 54950 ANGSTROM**2 REMARK 350 CHANGE IN SOLVENT FREE ENERGY: -50.0 KCAL/MOL REMARK 350 APPLY THE FOLLOWING TO CHAINS: C, 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 BIOMT1 2 -0.500000 -0.866025 0.000000 0.00000 REMARK 350 BIOMT2 2 -0.866025 0.500000 0.000000 0.00000 REMARK 350 BIOMT3 2 0.000000 0.000000 -1.000000 0.00000 REMARK 350 REMARK 350 BIOMOLECULE: 8 REMARK 350 SOFTWARE DETERMINED QUATERNARY STRUCTURE: DODECAMERIC REMARK 350 SOFTWARE USED: PISA REMARK 350 TOTAL BURIED SURFACE AREA: 36800 ANGSTROM**2 REMARK 350 SURFACE AREA OF THE COMPLEX: 155110 ANGSTROM**2 REMARK 350 CHANGE IN SOLVENT FREE ENERGY: -188.0 KCAL/MOL REMARK 350 APPLY THE FOLLOWING TO CHAINS: A, D, B, 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 350 BIOMT1 2 -0.500000 -0.866025 0.000000 112.01000 REMARK 350 BIOMT2 2 0.866025 -0.500000 0.000000 194.00701 REMARK 350 BIOMT3 2 0.000000 0.000000 1.000000 0.00000 REMARK 350 BIOMT1 3 -0.500000 0.866025 0.000000 -112.01000 REMARK 350 BIOMT2 3 -0.866025 -0.500000 0.000000 194.00701 REMARK 350 BIOMT3 3 0.000000 0.000000 1.000000 0.00000 REMARK 350 REMARK 350 BIOMOLECULE: 9 REMARK 350 SOFTWARE DETERMINED QUATERNARY STRUCTURE: TETRAMERIC REMARK 350 SOFTWARE USED: PISA REMARK 350 TOTAL BURIED SURFACE AREA: 9090 ANGSTROM**2 REMARK 350 SURFACE AREA OF THE COMPLEX: 54880 ANGSTROM**2 REMARK 350 CHANGE IN SOLVENT FREE ENERGY: -50.0 KCAL/MOL REMARK 350 APPLY THE FOLLOWING TO CHAINS: A, D, B, 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 350 REMARK 350 BIOMOLECULE: 10 REMARK 350 SOFTWARE DETERMINED QUATERNARY STRUCTURE: DIMERIC REMARK 350 SOFTWARE USED: PISA REMARK 350 TOTAL BURIED SURFACE AREA: 3010 ANGSTROM**2 REMARK 350 SURFACE AREA OF THE COMPLEX: 28980 ANGSTROM**2 REMARK 350 CHANGE IN SOLVENT FREE ENERGY: -23.0 KCAL/MOL REMARK 350 APPLY THE FOLLOWING TO CHAINS: A, D 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 MET A 1 REMARK 465 ASN A 2 REMARK 465 GLN A 3 REMARK 465 ASN A 4 REMARK 465 ALA A 738 REMARK 465 GLU A 739 REMARK 465 ASP A 740 REMARK 465 ALA A 741 REMARK 465 GLN A 742 REMARK 465 ASP A 743 REMARK 465 ASP A 744 REMARK 465 LEU A 745 REMARK 465 VAL A 746 REMARK 465 PRO A 747 REMARK 465 SER A 748 REMARK 465 ILE A 749 REMARK 465 GLN A 750 REMARK 465 ASP A 751 REMARK 465 ASP A 752 REMARK 465 GLY A 753 REMARK 465 CYS A 754 REMARK 465 GLU A 755 REMARK 465 SER A 756 REMARK 465 GLY A 757 REMARK 465 ALA A 758 REMARK 465 CYS A 759 REMARK 465 LYS A 760 REMARK 465 ILE A 761 REMARK 465 TYR D 356 REMARK 465 LEU D 357 REMARK 465 VAL D 358 REMARK 465 GLY D 359 REMARK 465 MET B 1 REMARK 465 ASN B 2 REMARK 465 GLN B 3 REMARK 465 ASN B 4 REMARK 465 ALA B 738 REMARK 465 GLU B 739 REMARK 465 ASP B 740 REMARK 465 ALA B 741 REMARK 465 GLN B 742 REMARK 465 ASP B 743 REMARK 465 ASP B 744 REMARK 465 LEU B 745 REMARK 465 VAL B 746 REMARK 465 PRO B 747 REMARK 465 SER B 748 REMARK 465 ILE B 749 REMARK 465 GLN B 750 REMARK 465 ASP B 751 REMARK 465 ASP B 752 REMARK 465 GLY B 753 REMARK 465 CYS B 754 REMARK 465 GLU B 755 REMARK 465 SER B 756 REMARK 465 GLY B 757 REMARK 465 ALA B 758 REMARK 465 CYS B 759 REMARK 465 LYS B 760 REMARK 465 ILE B 761 REMARK 465 TYR E 356 REMARK 465 LEU E 357 REMARK 465 VAL E 358 REMARK 465 GLY E 359 REMARK 465 MET C 1 REMARK 465 ASN C 2 REMARK 465 GLN C 3 REMARK 465 ASN C 4 REMARK 465 ALA C 738 REMARK 465 GLU C 739 REMARK 465 ASP C 740 REMARK 465 ALA C 741 REMARK 465 GLN C 742 REMARK 465 ASP C 743 REMARK 465 ASP C 744 REMARK 465 LEU C 745 REMARK 465 VAL C 746 REMARK 465 PRO C 747 REMARK 465 SER C 748 REMARK 465 ILE C 749 REMARK 465 GLN C 750 REMARK 465 ASP C 751 REMARK 465 ASP C 752 REMARK 465 GLY C 753 REMARK 465 CYS C 754 REMARK 465 GLU C 755 REMARK 465 SER C 756 REMARK 465 GLY C 757 REMARK 465 ALA C 758 REMARK 465 CYS C 759 REMARK 465 LYS C 760 REMARK 465 ILE C 761 REMARK 465 TYR F 356 REMARK 465 LEU F 357 REMARK 465 VAL F 358 REMARK 465 GLY F 359 REMARK 465 GLY P 4 REMARK 465 GLN P 5 REMARK 465 ILE P 6 REMARK 465 ASP P 7 REMARK 465 SER P 8 REMARK 465 GLU P 9 REMARK 465 VAL P 10 REMARK 465 ASP P 11 REMARK 465 THR P 12 REMARK 465 ASP P 13 REMARK 465 ASP P 14 REMARK 465 LEU P 15 REMARK 465 SER P 16 REMARK 465 ASN P 17 REMARK 465 PHE P 18 REMARK 465 GLN P 19 REMARK 465 LEU P 20

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 TYR A 115 CB - CG - CD1 ANGL. DEV. = 3.6 DEGREES REMARK 500 TYR B 115 CB - CG - CD1 ANGL. DEV. = 3.6 DEGREES REMARK 500 TYR C 115 CB - CG - CD1 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 LYS A 154 14.53 -143.17 REMARK 500 TYR A 155 -52.18 -120.83 REMARK 500 ARG A 216 -21.61 121.16 REMARK 500 ARG A 220 15.44 -144.51 REMARK 500 ARG A 251 29.01 82.14 REMARK 500 ARG A 269 -3.58 78.29 REMARK 500 HIS A 275 148.09 -25.43 REMARK 500 ALA A 292 59.05 -118.85 REMARK 500 VAL A 297 -42.37 -138.86 REMARK 500 HIS A 332 41.42 -97.55 REMARK 500 SER A 436 -159.33 -128.68 REMARK 500 ASN A 437 -162.66 -110.44 REMARK 500 TRP A 567 35.54 -89.73 REMARK 500 GLN A 691 -118.08 -95.03 REMARK 500 TYR A 730 -145.06 -89.35 REMARK 500 TYR A 731 156.83 -43.06 REMARK 500 ASP A 736 68.37 -101.48 REMARK 500 PHE D 373 140.36 -38.38 REMARK 500 LYS B 154 14.57 -143.22 REMARK 500 TYR B 155 -52.21 -120.87 REMARK 500 ARG B 216 -21.66 121.16 REMARK 500 ARG B 220 15.39 -144.52 REMARK 500 ARG B 251 29.00 82.10 REMARK 500 ARG B 269 -3.59 78.28 REMARK 500 HIS B 275 148.11 -25.48 REMARK 500 ALA B 292 59.05 -118.83 REMARK 500 VAL B 297 -42.41 -138.83 REMARK 500 HIS B 332 41.41 -97.53 REMARK 500 SER B 436 -159.33 -128.64 REMARK 500 ASN B 437 -162.68 -110.41 REMARK 500 SER B 465 179.00 180.00 REMARK 500 TRP B 567 35.54 -89.75 REMARK 500 GLN B 691 -118.10 -95.08 REMARK 500 TYR B 730 -145.08 -89.37 REMARK 500 TYR B 731 156.84 -43.06 REMARK 500 ASP B 736 68.37 -101.45 REMARK 500 PHE E 373 140.36 -38.41 REMARK 500 LYS C 154 14.50 -143.16 REMARK 500 TYR C 155 -52.19 -120.85 REMARK 500 ARG C 216 -21.63 121.14 REMARK 500 ARG C 220 15.44 -144.51 REMARK 500 ARG C 251 29.06 82.13 REMARK 500 ARG C 269 -3.65 78.32 REMARK 500 HIS C 275 148.08 -25.43 REMARK 500 ALA C 292 59.03 -118.82 REMARK 500 VAL C 297 -42.39 -138.83 REMARK 500 HIS C 332 41.39 -97.50 REMARK 500 SER C 436 -159.28 -128.66 REMARK 500 ASN C 437 -162.68 -110.44 REMARK 500 TRP C 567 35.57 -89.77 REMARK 500 GLN C 691 -118.05 -95.07 REMARK 500 TYR C 730 -145.04 -89.34 REMARK 500 TYR C 731 156.84 -43.07 REMARK 500 ASP C 736 68.36 -101.45 REMARK 500 PHE F 373 140.34 -38.29 REMARK 500 REMARK 500 REMARK: NULL REMARK 500 REMARK 500 GEOMETRY AND STEREOCHEMISTRY REMARK 500 SUBTOPIC: MAIN CHAIN PLANARITY REMARK 500 REMARK 500 THE FOLLOWING RESIDUES HAVE A PSEUDO PLANARITY REMARK 500 TORSION, C(I) - CA(I) - N(I+1) - O(I), GREATER REMARK 500 10.0 DEGREES. (M=MODEL NUMBER; RES=RESIDUE NAME; REMARK 500 C=CHAIN IDENTIFIER; SSEQ=SEQUENCE NUMBER; REMARK 500 I=INSERTION CODE). REMARK 500 REMARK 500 M RES CSSEQI ANGLE REMARK 500 ALA A 292 -10.01 REMARK 500 REMARK 500 REMARK: NULL

REMARK 800 REMARK 800 SITE REMARK 800 SITE_IDENTIFIER: ACA REMARK 800 EVIDENCE_CODE: UNKNOWN REMARK 800 SITE_DESCRIPTION: ACTIVE SITE, WITH SUBSTRATE GDP, THE REDOX REMARK 800 CENTER, CYS A 225 AND CYS A 462, IN THE REDUCED FORM. REMARK 800 SITE_IDENTIFIER: SES REMARK 800 EVIDENCE_CODE: UNKNOWN REMARK 800 SITE_DESCRIPTION: SPECIFICITY SITE WITH DTTP. OBSERVE THAT THE REMARK 800 STRUCTURE IN PDB ENTRY 2R1R CONTAINS A MORE WELL-REFINED REMARK 800 STRUCTURE WITH DTTP. REMARK 800 SITE_IDENTIFIER: ACB REMARK 800 EVIDENCE_CODE: UNKNOWN REMARK 800 SITE_DESCRIPTION: ACTIVE SITE, WITH SUBSTRATE GDP, THE REDOX REMARK 800 CENTER, CYS B 225 AND CYS B 462, IN THE REDUCED FORM. REMARK 800 SITE_IDENTIFIER: SEE REMARK 800 EVIDENCE_CODE: UNKNOWN REMARK 800 SITE_DESCRIPTION: SPECIFICITY SITE WITH DTTP. OBSERVE THAT THE REMARK 800 STRUCTURE IN PDB ENTRY 2R1R CONTAINS A MORE WELL-REFINED REMARK 800 STRUCTURE WITH DTTP. REMARK 800 SITE_IDENTIFIER: ACG REMARK 800 EVIDENCE_CODE: UNKNOWN REMARK 800 SITE_DESCRIPTION: ACTIVE SITE, WITH SUBSTRATE GDP, THE REDOX REMARK 800 CENTER, CYS C 225 AND CYS C 462, IN THE REDUCED FORM. REMARK 800 SITE_IDENTIFIER: SEI REMARK 800 EVIDENCE_CODE: UNKNOWN REMARK 800 SITE_DESCRIPTION: SPECIFICITY SITE WITH DTTP. OBSERVE THAT THE REMARK 800 STRUCTURE IN PDB ENTRY 2R1R CONTAINS A MORE WELL-REFINED REMARK 800 STRUCTURE WITH DTTP. REMARK 800 SITE_IDENTIFIER: AC1 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE TTP A 762 REMARK 800 SITE_IDENTIFIER: AC2 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE GDP A 763 REMARK 800 SITE_IDENTIFIER: AC3 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE TTP B 762 REMARK 800 SITE_IDENTIFIER: AC4 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE GDP B 763 REMARK 800 SITE_IDENTIFIER: AC5 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE TTP C 762 REMARK 800 SITE_IDENTIFIER: AC6 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE GDP C 763

DBREF 4R1R A 1 761 UNP P00452 RIR1_ECOLI 1 761 DBREF 4R1R D 356 375 UNP P69924 RIR2_ECOLI 356 375 DBREF 4R1R B 1 761 UNP P00452 RIR1_ECOLI 1 761 DBREF 4R1R E 356 375 UNP P69924 RIR2_ECOLI 356 375 DBREF 4R1R C 1 761 UNP P00452 RIR1_ECOLI 1 761 DBREF 4R1R F 356 375 UNP P69924 RIR2_ECOLI 356 375 DBREF 4R1R P 1 20 UNP P69924 RIR2_ECOLI 356 375

SEQADV 4R1R ALA A 292 UNP P00452 CYS 292 ENGINEERED SEQADV 4R1R ALA B 292 UNP P00452 CYS 292 ENGINEERED SEQADV 4R1R ALA C 292 UNP P00452 CYS 292 ENGINEERED

SEQRES 1 A 761 MET ASN GLN ASN LEU LEU VAL THR LYS ARG ASP GLY SER SEQRES 2 A 761 THR GLU ARG ILE ASN LEU ASP LYS ILE HIS ARG VAL LEU SEQRES 3 A 761 ASP TRP ALA ALA GLU GLY LEU HIS ASN VAL SER ILE SER SEQRES 4 A 761 GLN VAL GLU LEU ARG SER HIS ILE GLN PHE TYR ASP GLY SEQRES 5 A 761 ILE LYS THR SER ASP ILE HIS GLU THR ILE ILE LYS ALA SEQRES 6 A 761 ALA ALA ASP LEU ILE SER ARG ASP ALA PRO ASP TYR GLN SEQRES 7 A 761 TYR LEU ALA ALA ARG LEU ALA ILE PHE HIS LEU ARG LYS SEQRES 8 A 761 LYS ALA TYR GLY GLN PHE GLU PRO PRO ALA LEU TYR ASP SEQRES 9 A 761 HIS VAL VAL LYS MET VAL GLU MET GLY LYS TYR ASP ASN SEQRES 10 A 761 HIS LEU LEU GLU ASP TYR THR GLU GLU GLU PHE LYS GLN SEQRES 11 A 761 MET ASP THR PHE ILE ASP HIS ASP ARG ASP MET THR PHE SEQRES 12 A 761 SER TYR ALA ALA VAL LYS GLN LEU GLU GLY LYS TYR LEU SEQRES 13 A 761 VAL GLN ASN ARG VAL THR GLY GLU ILE TYR GLU SER ALA SEQRES 14 A 761 GLN PHE LEU TYR ILE LEU VAL ALA ALA CYS LEU PHE SER SEQRES 15 A 761 ASN TYR PRO ARG GLU THR ARG LEU GLN TYR VAL LYS ARG SEQRES 16 A 761 PHE TYR ASP ALA VAL SER THR PHE LYS ILE SER LEU PRO SEQRES 17 A 761 THR PRO ILE MET SER GLY VAL ARG THR PRO THR ARG GLN SEQRES 18 A 761 PHE SER SER CYS VAL LEU ILE GLU CYS GLY ASP SER LEU SEQRES 19 A 761 ASP SER ILE ASN ALA THR SER SER ALA ILE VAL LYS TYR SEQRES 20 A 761 VAL SER GLN ARG ALA GLY ILE GLY ILE ASN ALA GLY ARG SEQRES 21 A 761 ILE ARG ALA LEU GLY SER PRO ILE ARG GLY GLY GLU ALA SEQRES 22 A 761 PHE HIS THR GLY CYS ILE PRO PHE TYR LYS HIS PHE GLN SEQRES 23 A 761 THR ALA VAL LYS SER ALA SER GLN GLY GLY VAL ARG GLY SEQRES 24 A 761 GLY ALA ALA THR LEU PHE TYR PRO MET TRP HIS LEU GLU SEQRES 25 A 761 VAL GLU SER LEU LEU VAL LEU LYS ASN ASN ARG GLY VAL SEQRES 26 A 761 GLU GLY ASN ARG VAL ARG HIS MET ASP TYR GLY VAL GLN SEQRES 27 A 761 ILE ASN LYS LEU MET TYR THR ARG LEU LEU LYS GLY GLU SEQRES 28 A 761 ASP ILE THR LEU PHE SER PRO SER ASP VAL PRO GLY LEU SEQRES 29 A 761 TYR ASP ALA PHE PHE ALA ASP GLN GLU GLU PHE GLU ARG SEQRES 30 A 761 LEU TYR THR LYS TYR GLU LYS ASP ASP SER ILE ARG LYS SEQRES 31 A 761 GLN ARG VAL LYS ALA VAL GLU LEU PHE SER LEU MET MET SEQRES 32 A 761 GLN GLU ARG ALA SER THR GLY ARG ILE TYR ILE GLN ASN SEQRES 33 A 761 VAL ASP HIS CYS ASN THR HIS SER PRO PHE ASP PRO ALA SEQRES 34 A 761 ILE ALA PRO VAL ARG GLN SER ASN LEU CYS LEU GLU ILE SEQRES 35 A 761 ALA LEU PRO THR LYS PRO LEU ASN ASP VAL ASN ASP GLU SEQRES 36 A 761 ASN GLY GLU ILE ALA LEU CYS THR LEU SER ALA PHE ASN SEQRES 37 A 761 LEU GLY ALA ILE ASN ASN LEU ASP GLU LEU GLU GLU LEU SEQRES 38 A 761 ALA ILE LEU ALA VAL ARG ALA LEU ASP ALA LEU LEU ASP SEQRES 39 A 761 TYR GLN ASP TYR PRO ILE PRO ALA ALA LYS ARG GLY ALA SEQRES 40 A 761 MET GLY ARG ARG THR LEU GLY ILE GLY VAL ILE ASN PHE SEQRES 41 A 761 ALA TYR TYR LEU ALA LYS HIS GLY LYS ARG TYR SER ASP SEQRES 42 A 761 GLY SER ALA ASN ASN LEU THR HIS LYS THR PHE GLU ALA SEQRES 43 A 761 ILE GLN TYR TYR LEU LEU LYS ALA SER ASN GLU LEU ALA SEQRES 44 A 761 LYS GLU GLN GLY ALA CYS PRO TRP PHE ASN GLU THR THR SEQRES 45 A 761 TYR ALA LYS GLY ILE LEU PRO ILE ASP THR TYR LYS LYS SEQRES 46 A 761 ASP LEU ASP THR ILE ALA ASN GLU PRO LEU HIS TYR ASP SEQRES 47 A 761 TRP GLU ALA LEU ARG GLU SER ILE LYS THR HIS GLY LEU SEQRES 48 A 761 ARG ASN SER THR LEU SER ALA LEU MET PRO SER GLU THR SEQRES 49 A 761 SER SER GLN ILE SER ASN ALA THR ASN GLY ILE GLU PRO SEQRES 50 A 761 PRO ARG GLY TYR VAL SER ILE LYS ALA SER LYS ASP GLY SEQRES 51 A 761 ILE LEU ARG GLN VAL VAL PRO ASP TYR GLU HIS LEU HIS SEQRES 52 A 761 ASP ALA TYR GLU LEU LEU TRP GLU MET PRO GLY ASN ASP SEQRES 53 A 761 GLY TYR LEU GLN LEU VAL GLY ILE MET GLN LYS PHE ILE SEQRES 54 A 761 ASP GLN SER ILE SER ALA ASN THR ASN TYR ASP PRO SER SEQRES 55 A 761 ARG PHE PRO SER GLY LYS VAL PRO MET GLN GLN LEU LEU SEQRES 56 A 761 LYS ASP LEU LEU THR ALA TYR LYS PHE GLY VAL LYS THR SEQRES 57 A 761 LEU TYR TYR GLN ASN THR ARG ASP GLY ALA GLU ASP ALA SEQRES 58 A 761 GLN ASP ASP LEU VAL PRO SER ILE GLN ASP ASP GLY CYS SEQRES 59 A 761 GLU SER GLY ALA CYS LYS ILE SEQRES 1 D 20 TYR LEU VAL GLY GLN ILE ASP SER GLU VAL ASP THR ASP SEQRES 2 D 20 ASP LEU SER ASN PHE GLN LEU SEQRES 1 B 761 MET ASN GLN ASN LEU LEU VAL THR LYS ARG ASP GLY SER SEQRES 2 B 761 THR GLU ARG ILE ASN LEU ASP LYS ILE HIS ARG VAL LEU SEQRES 3 B 761 ASP TRP ALA ALA GLU GLY LEU HIS ASN VAL SER ILE SER SEQRES 4 B 761 GLN VAL GLU LEU ARG SER HIS ILE GLN PHE TYR ASP GLY SEQRES 5 B 761 ILE LYS THR SER ASP ILE HIS GLU THR ILE ILE LYS ALA SEQRES 6 B 761 ALA ALA ASP LEU ILE SER ARG ASP ALA PRO ASP TYR GLN SEQRES 7 B 761 TYR LEU ALA ALA ARG LEU ALA ILE PHE HIS LEU ARG LYS SEQRES 8 B 761 LYS ALA TYR GLY GLN PHE GLU PRO PRO ALA LEU TYR ASP SEQRES 9 B 761 HIS VAL VAL LYS MET VAL GLU MET GLY LYS TYR ASP ASN SEQRES 10 B 761 HIS LEU LEU GLU ASP TYR THR GLU GLU GLU PHE LYS GLN SEQRES 11 B 761 MET ASP THR PHE ILE ASP HIS ASP ARG ASP MET THR PHE SEQRES 12 B 761 SER TYR ALA ALA VAL LYS GLN LEU GLU GLY LYS TYR LEU SEQRES 13 B 761 VAL GLN ASN ARG VAL THR GLY GLU ILE TYR GLU SER ALA SEQRES 14 B 761 GLN PHE LEU TYR ILE LEU VAL ALA ALA CYS LEU PHE SER SEQRES 15 B 761 ASN TYR PRO ARG GLU THR ARG LEU GLN TYR VAL LYS ARG SEQRES 16 B 761 PHE TYR ASP ALA VAL SER THR PHE LYS ILE SER LEU PRO SEQRES 17 B 761 THR PRO ILE MET SER GLY VAL ARG THR PRO THR ARG GLN SEQRES 18 B 761 PHE SER SER CYS VAL LEU ILE GLU CYS GLY ASP SER LEU SEQRES 19 B 761 ASP SER ILE ASN ALA THR SER SER ALA ILE VAL LYS TYR SEQRES 20 B 761 VAL SER GLN ARG ALA GLY ILE GLY ILE ASN ALA GLY ARG SEQRES 21 B 761 ILE ARG ALA LEU GLY SER PRO ILE ARG GLY GLY GLU ALA SEQRES 22 B 761 PHE HIS THR GLY CYS ILE PRO PHE TYR LYS HIS PHE GLN SEQRES 23 B 761 THR ALA VAL LYS SER ALA SER GLN GLY GLY VAL ARG GLY SEQRES 24 B 761 GLY ALA ALA THR LEU PHE TYR PRO MET TRP HIS LEU GLU SEQRES 25 B 761 VAL GLU SER LEU LEU VAL LEU LYS ASN ASN ARG GLY VAL SEQRES 26 B 761 GLU GLY ASN ARG VAL ARG HIS MET ASP TYR GLY VAL GLN SEQRES 27 B 761 ILE ASN LYS LEU MET TYR THR ARG LEU LEU LYS GLY GLU SEQRES 28 B 761 ASP ILE THR LEU PHE SER PRO SER ASP VAL PRO GLY LEU SEQRES 29 B 761 TYR ASP ALA PHE PHE ALA ASP GLN GLU GLU PHE GLU ARG SEQRES 30 B 761 LEU TYR THR LYS TYR GLU LYS ASP ASP SER ILE ARG LYS SEQRES 31 B 761 GLN ARG VAL LYS ALA VAL GLU LEU PHE SER LEU MET MET SEQRES 32 B 761 GLN GLU ARG ALA SER THR GLY ARG ILE TYR ILE GLN ASN SEQRES 33 B 761 VAL ASP HIS CYS ASN THR HIS SER PRO PHE ASP PRO ALA SEQRES 34 B 761 ILE ALA PRO VAL ARG GLN SER ASN LEU CYS LEU GLU ILE SEQRES 35 B 761 ALA LEU PRO THR LYS PRO LEU ASN ASP VAL ASN ASP GLU SEQRES 36 B 761 ASN GLY GLU ILE ALA LEU CYS THR LEU SER ALA PHE ASN SEQRES 37 B 761 LEU GLY ALA ILE ASN ASN LEU ASP GLU LEU GLU GLU LEU SEQRES 38 B 761 ALA ILE LEU ALA VAL ARG ALA LEU ASP ALA LEU LEU ASP SEQRES 39 B 761 TYR GLN ASP TYR PRO ILE PRO ALA ALA LYS ARG GLY ALA SEQRES 40 B 761 MET GLY ARG ARG THR LEU GLY ILE GLY VAL ILE ASN PHE SEQRES 41 B 761 ALA TYR TYR LEU ALA LYS HIS GLY LYS ARG TYR SER ASP SEQRES 42 B 761 GLY SER ALA ASN ASN LEU THR HIS LYS THR PHE GLU ALA SEQRES 43 B 761 ILE GLN TYR TYR LEU LEU LYS ALA SER ASN GLU LEU ALA SEQRES 44 B 761 LYS GLU GLN GLY ALA CYS PRO TRP PHE ASN GLU THR THR SEQRES 45 B 761 TYR ALA LYS GLY ILE LEU PRO ILE ASP THR TYR LYS LYS SEQRES 46 B 761 ASP LEU ASP THR ILE ALA ASN GLU PRO LEU HIS TYR ASP SEQRES 47 B 761 TRP GLU ALA LEU ARG GLU SER ILE LYS THR HIS GLY LEU SEQRES 48 B 761 ARG ASN SER THR LEU SER ALA LEU MET PRO SER GLU THR SEQRES 49 B 761 SER SER GLN ILE SER ASN ALA THR ASN GLY ILE GLU PRO SEQRES 50 B 761 PRO ARG GLY TYR VAL SER ILE LYS ALA SER LYS ASP GLY SEQRES 51 B 761 ILE LEU ARG GLN VAL VAL PRO ASP TYR GLU HIS LEU HIS SEQRES 52 B 761 ASP ALA TYR GLU LEU LEU TRP GLU MET PRO GLY ASN ASP SEQRES 53 B 761 GLY TYR LEU GLN LEU VAL GLY ILE MET GLN LYS PHE ILE SEQRES 54 B 761 ASP GLN SER ILE SER ALA ASN THR ASN TYR ASP PRO SER SEQRES 55 B 761 ARG PHE PRO SER GLY LYS VAL PRO MET GLN GLN LEU LEU SEQRES 56 B 761 LYS ASP LEU LEU THR ALA TYR LYS PHE GLY VAL LYS THR SEQRES 57 B 761 LEU TYR TYR GLN ASN THR ARG ASP GLY ALA GLU ASP ALA SEQRES 58 B 761 GLN ASP ASP LEU VAL PRO SER ILE GLN ASP ASP GLY CYS SEQRES 59 B 761 GLU SER GLY ALA CYS LYS ILE SEQRES 1 E 20 TYR LEU VAL GLY GLN ILE ASP SER GLU VAL ASP THR ASP SEQRES 2 E 20 ASP LEU SER ASN PHE GLN LEU SEQRES 1 C 761 MET ASN GLN ASN LEU LEU VAL THR LYS ARG ASP GLY SER SEQRES 2 C 761 THR GLU ARG ILE ASN LEU ASP LYS ILE HIS ARG VAL LEU SEQRES 3 C 761 ASP TRP ALA ALA GLU GLY LEU HIS ASN VAL SER ILE SER SEQRES 4 C 761 GLN VAL GLU LEU ARG SER HIS ILE GLN PHE TYR ASP GLY SEQRES 5 C 761 ILE LYS THR SER ASP ILE HIS GLU THR ILE ILE LYS ALA SEQRES 6 C 761 ALA ALA ASP LEU ILE SER ARG ASP ALA PRO ASP TYR GLN SEQRES 7 C 761 TYR LEU ALA ALA ARG LEU ALA ILE PHE HIS LEU ARG LYS SEQRES 8 C 761 LYS ALA TYR GLY GLN PHE GLU PRO PRO ALA LEU TYR ASP SEQRES 9 C 761 HIS VAL VAL LYS MET VAL GLU MET GLY LYS TYR ASP ASN SEQRES 10 C 761 HIS LEU LEU GLU ASP TYR THR GLU GLU GLU PHE LYS GLN SEQRES 11 C 761 MET ASP THR PHE ILE ASP HIS ASP ARG ASP MET THR PHE SEQRES 12 C 761 SER TYR ALA ALA VAL LYS GLN LEU GLU GLY LYS TYR LEU SEQRES 13 C 761 VAL GLN ASN ARG VAL THR GLY GLU ILE TYR GLU SER ALA SEQRES 14 C 761 GLN PHE LEU TYR ILE LEU VAL ALA ALA CYS LEU PHE SER SEQRES 15 C 761 ASN TYR PRO ARG GLU THR ARG LEU GLN TYR VAL LYS ARG SEQRES 16 C 761 PHE TYR ASP ALA VAL SER THR PHE LYS ILE SER LEU PRO SEQRES 17 C 761 THR PRO ILE MET SER GLY VAL ARG THR PRO THR ARG GLN SEQRES 18 C 761 PHE SER SER CYS VAL LEU ILE GLU CYS GLY ASP SER LEU SEQRES 19 C 761 ASP SER ILE ASN ALA THR SER SER ALA ILE VAL LYS TYR SEQRES 20 C 761 VAL SER GLN ARG ALA GLY ILE GLY ILE ASN ALA GLY ARG SEQRES 21 C 761 ILE ARG ALA LEU GLY SER PRO ILE ARG GLY GLY GLU ALA SEQRES 22 C 761 PHE HIS THR GLY CYS ILE PRO PHE TYR LYS HIS PHE GLN SEQRES 23 C 761 THR ALA VAL LYS SER ALA SER GLN GLY GLY VAL ARG GLY SEQRES 24 C 761 GLY ALA ALA THR LEU PHE TYR PRO MET TRP HIS LEU GLU SEQRES 25 C 761 VAL GLU SER LEU LEU VAL LEU LYS ASN ASN ARG GLY VAL SEQRES 26 C 761 GLU GLY ASN ARG VAL ARG HIS MET ASP TYR GLY VAL GLN SEQRES 27 C 761 ILE ASN LYS LEU MET TYR THR ARG LEU LEU LYS GLY GLU SEQRES 28 C 761 ASP ILE THR LEU PHE SER PRO SER ASP VAL PRO GLY LEU SEQRES 29 C 761 TYR ASP ALA PHE PHE ALA ASP GLN GLU GLU PHE GLU ARG SEQRES 30 C 761 LEU TYR THR LYS TYR GLU LYS ASP ASP SER ILE ARG LYS SEQRES 31 C 761 GLN ARG VAL LYS ALA VAL GLU LEU PHE SER LEU MET MET SEQRES 32 C 761 GLN GLU ARG ALA SER THR GLY ARG ILE TYR ILE GLN ASN SEQRES 33 C 761 VAL ASP HIS CYS ASN THR HIS SER PRO PHE ASP PRO ALA SEQRES 34 C 761 ILE ALA PRO VAL ARG GLN SER ASN LEU CYS LEU GLU ILE SEQRES 35 C 761 ALA LEU PRO THR LYS PRO LEU ASN ASP VAL ASN ASP GLU SEQRES 36 C 761 ASN GLY GLU ILE ALA LEU CYS THR LEU SER ALA PHE ASN SEQRES 37 C 761 LEU GLY ALA ILE ASN ASN LEU ASP GLU LEU GLU GLU LEU SEQRES 38 C 761 ALA ILE LEU ALA VAL ARG ALA LEU ASP ALA LEU LEU ASP SEQRES 39 C 761 TYR GLN ASP TYR PRO ILE PRO ALA ALA LYS ARG GLY ALA SEQRES 40 C 761 MET GLY ARG ARG THR LEU GLY ILE GLY VAL ILE ASN PHE SEQRES 41 C 761 ALA TYR TYR LEU ALA LYS HIS GLY LYS ARG TYR SER ASP SEQRES 42 C 761 GLY SER ALA ASN ASN LEU THR HIS LYS THR PHE GLU ALA SEQRES 43 C 761 ILE GLN TYR TYR LEU LEU LYS ALA SER ASN GLU LEU ALA SEQRES 44 C 761 LYS GLU GLN GLY ALA CYS PRO TRP PHE ASN GLU THR THR SEQRES 45 C 761 TYR ALA LYS GLY ILE LEU PRO ILE ASP THR TYR LYS LYS SEQRES 46 C 761 ASP LEU ASP THR ILE ALA ASN GLU PRO LEU HIS TYR ASP SEQRES 47 C 761 TRP GLU ALA LEU ARG GLU SER ILE LYS THR HIS GLY LEU SEQRES 48 C 761 ARG ASN SER THR LEU SER ALA LEU MET PRO SER GLU THR SEQRES 49 C 761 SER SER GLN ILE SER ASN ALA THR ASN GLY ILE GLU PRO SEQRES 50 C 761 PRO ARG GLY TYR VAL SER ILE LYS ALA SER LYS ASP GLY SEQRES 51 C 761 ILE LEU ARG GLN VAL VAL PRO ASP TYR GLU HIS LEU HIS SEQRES 52 C 761 ASP ALA TYR GLU LEU LEU TRP GLU MET PRO GLY ASN ASP SEQRES 53 C 761 GLY TYR LEU GLN LEU VAL GLY ILE MET GLN LYS PHE ILE SEQRES 54 C 761 ASP GLN SER ILE SER ALA ASN THR ASN TYR ASP PRO SER SEQRES 55 C 761 ARG PHE PRO SER GLY LYS VAL PRO MET GLN GLN LEU LEU SEQRES 56 C 761 LYS ASP LEU LEU THR ALA TYR LYS PHE GLY VAL LYS THR SEQRES 57 C 761 LEU TYR TYR GLN ASN THR ARG ASP GLY ALA GLU ASP ALA SEQRES 58 C 761 GLN ASP ASP LEU VAL PRO SER ILE GLN ASP ASP GLY CYS SEQRES 59 C 761 GLU SER GLY ALA CYS LYS ILE SEQRES 1 F 20 TYR LEU VAL GLY GLN ILE ASP SER GLU VAL ASP THR ASP SEQRES 2 F 20 ASP LEU SER ASN PHE GLN LEU SEQRES 1 P 20 TYR LEU VAL GLY GLN ILE ASP SER GLU VAL ASP THR ASP SEQRES 2 P 20 ASP LEU SER ASN PHE GLN LEU

HET TTP A 762 29 HET GDP A 763 28 HET TTP B 762 29 HET GDP B 763 28 HET TTP C 762 29 HET GDP C 763 28

HETNAM TTP THYMIDINE-5'-TRIPHOSPHATE HETNAM GDP GUANOSINE-5'-DIPHOSPHATE

FORMUL 8 TTP 3(C10 H17 N2 O14 P3) FORMUL 9 GDP 3(C10 H15 N5 O11 P2)

HELIX 1 1 LEU A 19 ALA A 30 1 12 HELIX 2 2 ILE A 38 GLN A 48 1 11 HELIX 3 3 THR A 55 LEU A 69 1 15 HELIX 4 4 PRO A 75 TYR A 94 5 20 HELIX 5 5 LEU A 102 GLU A 111 1 10 HELIX 6 6 ASN A 117 ASP A 122 5 6 HELIX 7 7 GLU A 125 THR A 133 1 9 HELIX 8 8 HIS A 137 THR A 142 5 6 HELIX 9 9 TYR A 145 LYS A 154 1 10 HELIX 10 10 ALA A 169 LEU A 180 1 12 HELIX 11 11 ARG A 189 SER A 201 1 13 HELIX 12 12 THR A 209 GLY A 214 1 6 HELIX 13 13 LEU A 234 GLN A 250 1 17 HELIX 14 14 CYS A 278 VAL A 289 1 12 HELIX 15 15 VAL A 313 LEU A 316 1 4 HELIX 16 16 GLU A 326 ASN A 328 5 3 HELIX 17 17 LYS A 341 LYS A 349 1 9 HELIX 18 18 PRO A 358 ASP A 360 5 3 HELIX 19 19 LEU A 364 ALA A 370 1 7 HELIX 20 20 GLN A 372 LYS A 384 1 13 HELIX 21 21 ALA A 395 THR A 409 1 15 HELIX 22 22 VAL A 417 THR A 422 1 6 HELIX 23 23 LEU A 475 TYR A 495 5 21 HELIX 24 24 PRO A 501 ARG A 510 1 10 HELIX 25 25 PHE A 520 HIS A 527 1 8 HELIX 26 26 ASN A 537 GLN A 562 1 26 HELIX 27 27 PHE A 568 GLU A 570 5 3 HELIX 28 28 TYR A 573 LYS A 575 5 3 HELIX 29 29 PRO A 579 THR A 582 1 4 HELIX 30 30 LYS A 585 THR A 589 5 5 HELIX 31 31 TRP A 599 HIS A 609 1 11 HELIX 32 32 THR A 624 ILE A 628 1 5 HELIX 33 33 TYR A 659 LEU A 662 1 4 HELIX 34 34 LEU A 669 GLU A 671 5 3 HELIX 35 35 ASP A 676 PHE A 688 1 13 HELIX 36 36 PRO A 701 ARG A 703 5 3 HELIX 37 37 PRO A 705 GLY A 707 5 3 HELIX 38 38 MET A 711 LYS A 723 1 13 HELIX 39 39 THR D 367 LEU D 370 1 4 HELIX 40 40 LEU B 19 ALA B 30 1 12 HELIX 41 41 ILE B 38 GLN B 48 1 11 HELIX 42 42 THR B 55 LEU B 69 1 15 HELIX 43 43 PRO B 75 TYR B 94 5 20 HELIX 44 44 LEU B 102 GLU B 111 1 10 HELIX 45 45 ASN B 117 ASP B 122 5 6 HELIX 46 46 GLU B 125 THR B 133 1 9 HELIX 47 47 HIS B 137 THR B 142 5 6 HELIX 48 48 TYR B 145 LYS B 154 1 10 HELIX 49 49 ALA B 169 LEU B 180 1 12 HELIX 50 50 ARG B 189 SER B 201 1 13 HELIX 51 51 THR B 209 GLY B 214 1 6 HELIX 52 52 LEU B 234 GLN B 250 1 17 HELIX 53 53 CYS B 278 VAL B 289 1 12 HELIX 54 54 VAL B 313 LEU B 316 1 4 HELIX 55 55 GLU B 326 ASN B 328 5 3 HELIX 56 56 LYS B 341 LYS B 349 1 9 HELIX 57 57 PRO B 358 ASP B 360 5 3 HELIX 58 58 LEU B 364 ALA B 370 1 7 HELIX 59 59 GLN B 372 LYS B 384 1 13 HELIX 60 60 ALA B 395 THR B 409 1 15 HELIX 61 61 VAL B 417 THR B 422 1 6 HELIX 62 62 LEU B 475 TYR B 495 5 21 HELIX 63 63 PRO B 501 ARG B 510 1 10 HELIX 64 64 PHE B 520 HIS B 527 1 8 HELIX 65 65 ASN B 537 GLN B 562 1 26 HELIX 66 66 PHE B 568 GLU B 570 5 3 HELIX 67 67 TYR B 573 LYS B 575 5 3 HELIX 68 68 PRO B 579 THR B 582 1 4 HELIX 69 69 LYS B 585 THR B 589 5 5 HELIX 70 70 TRP B 599 HIS B 609 1 11 HELIX 71 71 THR B 624 ILE B 628 1 5 HELIX 72 72 TYR B 659 LEU B 662 1 4 HELIX 73 73 LEU B 669 GLU B 671 5 3 HELIX 74 74 ASP B 676 PHE B 688 1 13 HELIX 75 75 PRO B 701 ARG B 703 5 3 HELIX 76 76 PRO B 705 GLY B 707 5 3 HELIX 77 77 MET B 711 LYS B 723 1 13 HELIX 78 78 THR E 367 LEU E 370 1 4 HELIX 79 79 LEU C 19 ALA C 30 1 12 HELIX 80 80 ILE C 38 GLN C 48 1 11 HELIX 81 81 THR C 55 LEU C 69 1 15 HELIX 82 82 PRO C 75 TYR C 94 5 20 HELIX 83 83 LEU C 102 GLU C 111 1 10 HELIX 84 84 ASN C 117 ASP C 122 5 6 HELIX 85 85 GLU C 125 THR C 133 1 9 HELIX 86 86 HIS C 137 THR C 142 5 6 HELIX 87 87 TYR C 145 LYS C 154 1 10 HELIX 88 88 ALA C 169 LEU C 180 1 12 HELIX 89 89 ARG C 189 SER C 201 1 13 HELIX 90 90 THR C 209 GLY C 214 1 6 HELIX 91 91 LEU C 234 GLN C 250 1 17 HELIX 92 92 CYS C 278 VAL C 289 1 12 HELIX 93 93 VAL C 313 LEU C 316 1 4 HELIX 94 94 GLU C 326 ASN C 328 5 3 HELIX 95 95 LYS C 341 LYS C 349 1 9 HELIX 96 96 PRO C 358 ASP C 360 5 3 HELIX 97 97 LEU C 364 ALA C 370 1 7 HELIX 98 98 GLN C 372 LYS C 384 1 13 HELIX 99 99 ALA C 395 THR C 409 1 15 HELIX 100 100 VAL C 417 THR C 422 1 6 HELIX 101 101 LEU C 475 TYR C 495 5 21 HELIX 102 102 PRO C 501 ARG C 510 1 10 HELIX 103 103 PHE C 520 HIS C 527 1 8 HELIX 104 104 ASN C 537 GLN C 562 1 26 HELIX 105 105 PHE C 568 GLU C 570 5 3 HELIX 106 106 TYR C 573 LYS C 575 5 3 HELIX 107 107 PRO C 579 THR C 582 1 4 HELIX 108 108 LYS C 585 THR C 589 5 5 HELIX 109 109 TRP C 599 HIS C 609 1 11 HELIX 110 110 THR C 624 ILE C 628 1 5 HELIX 111 111 TYR C 659 LEU C 662 1 4 HELIX 112 112 LEU C 669 GLU C 671 5 3 HELIX 113 113 ASP C 676 PHE C 688 1 13 HELIX 114 114 PRO C 701 ARG C 703 5 3 HELIX 115 115 PRO C 705 GLY C 707 5 3 HELIX 116 116 MET C 711 LYS C 723 1 13 HELIX 117 117 THR F 367 LEU F 370 1 4

SHEET 1 A 2 LEU A 6 THR A 8 0 SHEET 2 A 2 THR A 14 ARG A 16 -1 N GLU A 15 O VAL A 7 SHEET 1 B 3 ILE A 205 LEU A 207 0 SHEET 2 B 3 THR A 463 ASN A 468 -1 N ALA A 466 O SER A 206 SHEET 3 B 3 LEU A 513 ILE A 518 1 N GLY A 514 O THR A 463 SHEET 1 C 5 CYS A 225 GLU A 229 0 SHEET 2 C 5 GLY A 253 ASN A 257 1 N GLY A 253 O VAL A 226 SHEET 3 C 5 ALA A 302 PRO A 307 1 N THR A 303 O ILE A 254 SHEET 4 C 5 ASP A 334 ILE A 339 1 N ASP A 334 O LEU A 304 SHEET 5 C 5 ILE A 412 ASN A 416 1 N TYR A 413 O TYR A 335 SHEET 1 D 2 ASP A 352 PHE A 356 0 SHEET 2 D 2 LYS A 390 LYS A 394 -1 N VAL A 393 O ILE A 353 SHEET 1 E 2 VAL A 642 ALA A 646 0 SHEET 2 E 2 ILE A 651 VAL A 655 -1 N GLN A 654 O SER A 643 SHEET 1 F 2 THR A 697 TYR A 699 0 SHEET 2 F 2 GLN A 732 THR A 734 1 N ASN A 733 O THR A 697 SHEET 1 G 2 LEU B 6 THR B 8 0 SHEET 2 G 2 THR B 14 ARG B 16 -1 N GLU B 15 O VAL B 7 SHEET 1 H 3 ILE B 205 LEU B 207 0 SHEET 2 H 3 THR B 463 ASN B 468 -1 N ALA B 466 O SER B 206 SHEET 3 H 3 LEU B 513 ILE B 518 1 N GLY B 514 O THR B 463 SHEET 1 I 5 CYS B 225 GLU B 229 0 SHEET 2 I 5 GLY B 253 ASN B 257 1 N GLY B 253 O VAL B 226 SHEET 3 I 5 ALA B 302 PRO B 307 1 N THR B 303 O ILE B 254 SHEET 4 I 5 ASP B 334 ILE B 339 1 N ASP B 334 O LEU B 304 SHEET 5 I 5 ILE B 412 ASN B 416 1 N TYR B 413 O TYR B 335 SHEET 1 J 2 ASP B 352 PHE B 356 0 SHEET 2 J 2 LYS B 390 LYS B 394 -1 N VAL B 393 O ILE B 353 SHEET 1 K 2 VAL B 642 ALA B 646 0 SHEET 2 K 2 ILE B 651 VAL B 655 -1 N GLN B 654 O SER B 643 SHEET 1 L 2 THR B 697 TYR B 699 0 SHEET 2 L 2 GLN B 732 THR B 734 1 N ASN B 733 O THR B 697 SHEET 1 M 2 LEU C 6 THR C 8 0 SHEET 2 M 2 THR C 14 ARG C 16 -1 N GLU C 15 O VAL C 7 SHEET 1 N 3 ILE C 205 LEU C 207 0 SHEET 2 N 3 THR C 463 ASN C 468 -1 N ALA C 466 O SER C 206 SHEET 3 N 3 LEU C 513 ILE C 518 1 N GLY C 514 O THR C 463 SHEET 1 O 5 CYS C 225 GLU C 229 0 SHEET 2 O 5 GLY C 253 ASN C 257 1 N GLY C 253 O VAL C 226 SHEET 3 O 5 ALA C 302 PRO C 307 1 N THR C 303 O ILE C 254 SHEET 4 O 5 ASP C 334 ILE C 339 1 N ASP C 334 O LEU C 304 SHEET 5 O 5 ILE C 412 ASN C 416 1 N TYR C 413 O TYR C 335 SHEET 1 P 2 ASP C 352 PHE C 356 0 SHEET 2 P 2 LYS C 390 LYS C 394 -1 N VAL C 393 O ILE C 353 SHEET 1 Q 2 VAL C 642 ALA C 646 0 SHEET 2 Q 2 ILE C 651 VAL C 655 -1 N GLN C 654 O SER C 643 SHEET 1 R 2 THR C 697 TYR C 699 0 SHEET 2 R 2 GLN C 732 THR C 734 1 N ASN C 733 O THR C 697

SITE 1 ACA 6 CYS A 225 CYS A 462 CYS A 439 ASN A 437 SITE 2 ACA 6 GLU A 441 GDP A 763 SITE 1 SES 1 TTP A 762 SITE 1 ACB 6 CYS B 225 CYS B 462 CYS B 439 ASN B 437 SITE 2 ACB 6 GLU B 441 GDP C 763 SITE 1 SEE 1 TTP C 762 SITE 1 ACG 6 CYS C 225 CYS C 462 CYS C 439 ASN C 437 SITE 2 ACG 6 GLU C 441 GDP B 763 SITE 1 SEI 1 TTP B 762 SITE 1 AC1 9 ASP A 232 SER A 233 LEU A 234 ARG A 262 SITE 2 AC1 9 ILE A 268 ARG A 269 HIS A 275 THR A 276 SITE 3 AC1 9 SER B 249 SITE 1 AC2 12 THR A 209 SER A 224 CYS A 225 GLY A 253 SITE 2 AC2 12 ASN A 437 CYS A 439 GLU A 441 PRO A 621 SITE 3 AC2 12 SER A 622 GLU A 623 THR A 624 SER A 625 SITE 1 AC3 9 SER A 249 ASP B 232 SER B 233 LEU B 234 SITE 2 AC3 9 ARG B 262 ILE B 268 ARG B 269 HIS B 275 SITE 3 AC3 9 THR B 276 SITE 1 AC4 12 THR B 209 SER B 224 CYS B 225 GLY B 253 SITE 2 AC4 12 ASN B 437 CYS B 439 GLU B 441 PRO B 621 SITE 3 AC4 12 SER B 622 GLU B 623 THR B 624 SER B 625 SITE 1 AC5 9 ASP C 232 SER C 233 LEU C 234 SER C 249 SITE 2 AC5 9 ARG C 262 ILE C 268 ARG C 269 HIS C 275 SITE 3 AC5 9 THR C 276 SITE 1 AC6 12 THR C 209 SER C 224 CYS C 225 GLY C 253 SITE 2 AC6 12 ASN C 437 CYS C 439 GLU C 441 PRO C 621 SITE 3 AC6 12 SER C 622 GLU C 623 THR C 624 SER C 625

CRYST1 224.020 224.020 335.970 90.00 90.00 120.00 H 3 2 72

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 0.004464 0.002577 0.000000 0.00000

SCALE2 0.000000 0.005154 0.000000 0.00000

SCALE3 0.000000 0.000000 0.002976 0.00000

MTRIX1 1 -0.908400 0.418100 0.003400 -54.26900 1

MTRIX2 1 0.418100 0.908400 0.000600 11.65170 1

MTRIX3 1 -0.002800 0.002000 -1.000000 -6.87740 1

MTRIX1 2 -0.734900 0.678100 -0.005200 -87.68970 1

MTRIX2 2 -0.678100 -0.734900 -0.000800 95.08820 1

MTRIX3 2 -0.004400 0.002900 1.000000 3.00330 1