2B1G - Header Asymmetric Unit

HEADER TRANSFERASE, HYDROLASE 15-SEP-05 2B1G

TITLE CRYSTAL STRUCTURES OF TRANSITION STATE ANALOGUE INHIBITORS OF INOSINE TITLE 2 MONOPHOSPHATE CYCLOHYDROLASE

COMPND MOL_ID: 1; COMPND 2 MOLECULE: BIFUNCTIONAL PURINE BIOSYNTHESIS PROTEIN PURH; COMPND 3 CHAIN: A, B, C, D; COMPND 4 EC: 3.5.4.10, 2.1.2.3; COMPND 5 ENGINEERED: YES; COMPND 6 OTHER_DETAILS: INCLUDES PHOSPHORIBOSYLAMINOIMIDAZOLECARBOXAMIDE COMPND 7 FORMYLTRANSFERASE (AICAR TRANSFORMYLASE), IMP CYCLOHYDROLASE COMPND 8 (INOSINICASE, IMP SYNTHETASE, ATIC)

SOURCE MOL_ID: 1; SOURCE 2 ORGANISM_SCIENTIFIC: GALLUS GALLUS; SOURCE 3 ORGANISM_COMMON: CHICKEN; SOURCE 4 ORGANISM_TAXID: 9031; SOURCE 5 GENE: ATIC, PURH; SOURCE 6 EXPRESSION_SYSTEM: ESCHERICHIA COLI BL21(DE3); SOURCE 7 EXPRESSION_SYSTEM_TAXID: 469008; SOURCE 8 EXPRESSION_SYSTEM_STRAIN: BL21(DE3); SOURCE 9 EXPRESSION_SYSTEM_VECTOR_TYPE: PLASMID; SOURCE 10 EXPRESSION_SYSTEM_PLASMID: PET28A

KEYWDS ATIC, IMPCH, STRUCTURE-BASE, TRANSITION STATE ANALOGUE, INHIBITOR, KEYWDS 2 TRANSFERASE, HYDROLASE

EXPDTA X-RAY DIFFRACTION

AUTHOR L.XU,Y.CHONG,I.HWANG,A.D'ONOFRIO,K.AMORE,G.P.BEARDSLEY,C.LI, AUTHOR 2 A.J.OLSON,D.L.BOGER,I.A.WILSON

REVDAT 4 13-JUL-11 2B1G 1 VERSN REVDAT 3 24-FEB-09 2B1G 1 VERSN REVDAT 2 01-MAY-07 2B1G 1 JRNL REVDAT 1 21-NOV-06 2B1G 0

JRNL AUTH L.XU,Y.CHONG,I.HWANG,A.D'ONOFRIO,K.AMORE,G.P.BEARDSLEY,C.LI, JRNL AUTH 2 A.J.OLSON,D.L.BOGER,I.A.WILSON JRNL TITL STRUCTURE-BASED DESIGN, SYNTHESIS, EVALUATION, AND CRYSTAL JRNL TITL 2 STRUCTURES OF TRANSITION STATE ANALOGUE INHIBITORS OF JRNL TITL 3 INOSINE MONOPHOSPHATE CYCLOHYDROLASE. JRNL REF J.BIOL.CHEM. V. 282 13033 2007 JRNL REFN ISSN 0021-9258 JRNL PMID 17324932 JRNL DOI 10.1074/JBC.M607293200

REMARK 1 REMARK 1 REFERENCE 1 REMARK 1 AUTH L.XU,C.LI,A.J.OLSON,I.A.WILSON REMARK 1 TITL CRYSTAL STRUCTURE OF AVIAN AICAR TRANSFORMYLASE IN COMPLEX REMARK 1 TITL 2 WITH A NOVEL NON-FOLATE INHIBITOR IDENTIFIED BY VIRTUAL REMARK 1 TITL 3 LIGAND SCREENING REMARK 1 REF J.BIOL.CHEM. V. 279 50555 2004 REMARK 1 REFN ISSN 0021-9258 REMARK 1 REFERENCE 2 REMARK 1 AUTH C.LI,L.XU,D.W.WOLAN,I.A.WILSON,A.J.OLSON REMARK 1 TITL SUCCESSFUL VIRTUAL SCREENING FOR HUMAN AICAR TRANSFORMYLASE REMARK 1 TITL 2 INHIBITORS AGAINST NCI DIVERSITY SET USING AUTODOCK. REMARK 1 REF J.MED.CHEM. V. 47 6681 2004 REMARK 1 REFN ISSN 0022-2623 REMARK 1 REFERENCE 3 REMARK 1 AUTH S.E.GREASLEY,P.HORTON,J.RAMCHARAN,G.P.BEARDSLEY, REMARK 1 AUTH 2 S.J.BENKOVIC,I.A.WILSON REMARK 1 TITL CRYSTAL STRUCTURE OF A BIFUNCTIONAL TRANSFORMYLASE AND REMARK 1 TITL 2 CYCLOHYDROLASE ENZYME IN PURINE BIOSYNTHESIS REMARK 1 REF NAT.STRUCT.MOL.BIOL. V. 8 402 2001 REMARK 1 REFN ISSN 1545-9993 REMARK 1 REFERENCE 4 REMARK 1 AUTH D.W.WOLAN,S.E.GREASLEY,G.P.BEARDSLEY,I.A.WILSON REMARK 1 TITL STRUCTURAL INSIGHTS INTO THE AVIAN AICAR TRANSFORMYLASE REMARK 1 TITL 2 MECHANISM REMARK 1 REF BIOCHEMISTRY V. 41 15505 2002 REMARK 1 REFN ISSN 0006-2960 REMARK 1 REFERENCE 5 REMARK 1 AUTH D.W.WOLAN,S.E.GREASLEY,M.J.WALL,S.J.BENKOVIC,I.A.WILSON REMARK 1 TITL STRUCTURE OF AVIAN AICAR TRANSFORMYLASE WITH A REMARK 1 TITL 2 MULTISUBSTRATE ADDUCT INHIBITOR BETA-DADF IDENTIFIES THE REMARK 1 TITL 3 FOLATE BINDING SITE REMARK 1 REF BIOCHEMISTRY V. 42 10904 2003 REMARK 1 REFN ISSN 0006-2960 REMARK 1 REFERENCE 6 REMARK 1 AUTH D.W.WOLAN,C.-G.CHEONG,S.E.GREASLEY,I.A.WILSON REMARK 1 TITL STRUCTURAL INSIGHTS INTO THE HUMAN AND AVIAN IMP REMARK 1 TITL 2 CYCLOHYDROLASE MECHANISM VIA CRYSTAL STRUCTURES WITH THE REMARK 1 TITL 3 BOUND XMP INHIBITOR REMARK 1 REF BIOCHEMISTRY V. 43 1171 2004 REMARK 1 REFN ISSN 0006-2960 REMARK 1 REFERENCE 7 REMARK 1 AUTH C.G.CHEONG,D.W.WOLAN,S.E.GREASLEY,P.A.HORTON,G.P.BEARDSLEY, REMARK 1 AUTH 2 I.A.WILSON REMARK 1 TITL CRYSTAL STRUCTURES OF HUMAN BIFUNCTIONAL ENZYME REMARK 1 TITL 2 AMINOIMIDAZOLE-4-CARBOXAMIDE RIBONUCLEOTIDE REMARK 1 TITL 3 TRANSFORMYLASE/IMP CYCLOHYDROLASE IN COMPLEX WITH POTENT REMARK 1 TITL 4 SULFONYL-CONTAINING ANTIFOLATES REMARK 1 REF J.BIOL.CHEM. V. 279 18034 2004 REMARK 1 REFN ISSN 0021-9258

REMARK 2 REMARK 2 RESOLUTION. 2.10 ANGSTROMS.

REMARK 3 REMARK 3 REFINEMENT. REMARK 3 PROGRAM : REFMAC 5.2.0013 REMARK 3 AUTHORS : MURSHUDOV,VAGIN,DODSON REMARK 3 REMARK 3 REFINEMENT TARGET : ENGH & HUBER REMARK 3 REMARK 3 DATA USED IN REFINEMENT. REMARK 3 RESOLUTION RANGE HIGH (ANGSTROMS) : 2.10 REMARK 3 RESOLUTION RANGE LOW (ANGSTROMS) : 41.89 REMARK 3 DATA CUTOFF (SIGMA(F)) : 0.000 REMARK 3 COMPLETENESS FOR RANGE (%) : 93.8 REMARK 3 NUMBER OF REFLECTIONS : 118496 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) : 0.243 REMARK 3 R VALUE (WORKING SET) : 0.199 REMARK 3 FREE R VALUE : 0.248 REMARK 3 FREE R VALUE TEST SET SIZE (%) : 2.500 REMARK 3 FREE R VALUE TEST SET COUNT : 2967 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) : 2.10 REMARK 3 BIN RESOLUTION RANGE LOW (A) : 2.15 REMARK 3 REFLECTION IN BIN (WORKING SET) : 4196 REMARK 3 BIN COMPLETENESS (WORKING+TEST) (%) : 84.36 REMARK 3 BIN R VALUE (WORKING SET) : 0.2580 REMARK 3 BIN FREE R VALUE SET COUNT : 108 REMARK 3 BIN FREE R VALUE : 0.2900 REMARK 3 REMARK 3 NUMBER OF NON-HYDROGEN ATOMS USED IN REFINEMENT. REMARK 3 PROTEIN ATOMS : 18044 REMARK 3 NUCLEIC ACID ATOMS : 0 REMARK 3 HETEROGEN ATOMS : 56 REMARK 3 SOLVENT ATOMS : 426 REMARK 3 REMARK 3 B VALUES. REMARK 3 FROM WILSON PLOT (A**2) : 38.20 REMARK 3 MEAN B VALUE (OVERALL, A**2) : 42.04 REMARK 3 OVERALL ANISOTROPIC B VALUE. REMARK 3 B11 (A**2) : 0.70000 REMARK 3 B22 (A**2) : -0.71000 REMARK 3 B33 (A**2) : -0.08000 REMARK 3 B12 (A**2) : -0.16000 REMARK 3 B13 (A**2) : 0.04000 REMARK 3 B23 (A**2) : 0.25000 REMARK 3 REMARK 3 ESTIMATED OVERALL COORDINATE ERROR. REMARK 3 ESU BASED ON R VALUE (A): 0.288 REMARK 3 ESU BASED ON FREE R VALUE (A): 0.215 REMARK 3 ESU BASED ON MAXIMUM LIKELIHOOD (A): 0.158 REMARK 3 ESU FOR B VALUES BASED ON MAXIMUM LIKELIHOOD (A**2): 12.130 REMARK 3 REMARK 3 CORRELATION COEFFICIENTS. REMARK 3 CORRELATION COEFFICIENT FO-FC : 0.951 REMARK 3 CORRELATION COEFFICIENT FO-FC FREE : 0.925 REMARK 3 REMARK 3 RMS DEVIATIONS FROM IDEAL VALUES COUNT RMS WEIGHT REMARK 3 BOND LENGTHS REFINED ATOMS (A): 18434 ; 0.012 ; 0.022 REMARK 3 BOND LENGTHS OTHERS (A): NULL ; NULL ; NULL REMARK 3 BOND ANGLES REFINED ATOMS (DEGREES): 25012 ; 1.334 ; 1.966 REMARK 3 BOND ANGLES OTHERS (DEGREES): NULL ; NULL ; NULL REMARK 3 TORSION ANGLES, PERIOD 1 (DEGREES): 2356 ; 5.601 ; 5.000 REMARK 3 TORSION ANGLES, PERIOD 2 (DEGREES): 772 ;39.053 ;24.041 REMARK 3 TORSION ANGLES, PERIOD 3 (DEGREES): 3148 ;16.830 ;15.000 REMARK 3 TORSION ANGLES, PERIOD 4 (DEGREES): 124 ;16.311 ;15.000 REMARK 3 CHIRAL-CENTER RESTRAINTS (A**3): 2881 ; 0.087 ; 0.200 REMARK 3 GENERAL PLANES REFINED ATOMS (A): 13802 ; 0.005 ; 0.020 REMARK 3 GENERAL PLANES OTHERS (A): NULL ; NULL ; NULL REMARK 3 NON-BONDED CONTACTS REFINED ATOMS (A): 8511 ; 0.212 ; 0.200 REMARK 3 NON-BONDED CONTACTS OTHERS (A): NULL ; NULL ; NULL REMARK 3 NON-BONDED TORSION REFINED ATOMS (A): 12711 ; 0.300 ; 0.200 REMARK 3 NON-BONDED TORSION OTHERS (A): NULL ; NULL ; NULL REMARK 3 H-BOND (X...Y) REFINED ATOMS (A): 809 ; 0.138 ; 0.200 REMARK 3 H-BOND (X...Y) OTHERS (A): NULL ; NULL ; NULL REMARK 3 POTENTIAL METAL-ION REFINED ATOMS (A): 12 ; 0.133 ; 0.200 REMARK 3 POTENTIAL METAL-ION OTHERS (A): NULL ; NULL ; NULL REMARK 3 SYMMETRY VDW REFINED ATOMS (A): 42 ; 0.172 ; 0.200 REMARK 3 SYMMETRY VDW OTHERS (A): NULL ; NULL ; NULL REMARK 3 SYMMETRY H-BOND REFINED ATOMS (A): 11 ; 0.134 ; 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): 11756 ; 0.516 ; 1.500 REMARK 3 MAIN-CHAIN BOND OTHER ATOMS (A**2): NULL ; NULL ; NULL REMARK 3 MAIN-CHAIN ANGLE REFINED ATOMS (A**2): 18916 ; 0.963 ; 2.000 REMARK 3 SIDE-CHAIN BOND REFINED ATOMS (A**2): 6740 ; 1.671 ; 3.000 REMARK 3 SIDE-CHAIN ANGLE REFINED ATOMS (A**2): 6096 ; 2.647 ; 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 : NULL 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 : 1.20 REMARK 3 ION PROBE RADIUS : 0.80 REMARK 3 SHRINKAGE RADIUS : 0.80 REMARK 3 REMARK 3 OTHER REFINEMENT REMARKS: NULL

REMARK 4 REMARK 4 2B1G COMPLIES WITH FORMAT V. 3.30, 13-JUL-11

REMARK 100 REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY RCSB ON 10-OCT-05. REMARK 100 THE RCSB ID CODE IS RCSB034556.

REMARK 200 REMARK 200 EXPERIMENTAL DETAILS REMARK 200 EXPERIMENT TYPE : X-RAY DIFFRACTION REMARK 200 DATE OF DATA COLLECTION : 07-APR-04 REMARK 200 TEMPERATURE (KELVIN) : 93 REMARK 200 PH : 7.2 REMARK 200 NUMBER OF CRYSTALS USED : 1 REMARK 200 REMARK 200 SYNCHROTRON (Y/N) : Y REMARK 200 RADIATION SOURCE : ALS REMARK 200 BEAMLINE : 8.3.1 REMARK 200 X-RAY GENERATOR MODEL : NULL REMARK 200 MONOCHROMATIC OR LAUE (M/L) : M REMARK 200 WAVELENGTH OR RANGE (A) : 1.1271 REMARK 200 MONOCHROMATOR : DOUBLE CRYSTALS REMARK 200 OPTICS : NULL REMARK 200 REMARK 200 DETECTOR TYPE : CCD REMARK 200 DETECTOR MANUFACTURER : ADSC REMARK 200 INTENSITY-INTEGRATION SOFTWARE : HKL-2000 REMARK 200 DATA SCALING SOFTWARE : SCALEPACK REMARK 200 REMARK 200 NUMBER OF UNIQUE REFLECTIONS : 118497 REMARK 200 RESOLUTION RANGE HIGH (A) : 2.100 REMARK 200 RESOLUTION RANGE LOW (A) : 50.000 REMARK 200 REJECTION CRITERIA (SIGMA(I)) : 0.000 REMARK 200 REMARK 200 OVERALL. REMARK 200 COMPLETENESS FOR RANGE (%) : 83.6 REMARK 200 DATA REDUNDANCY : 1.600 REMARK 200 R MERGE (I) : NULL REMARK 200 R SYM (I) : 0.06000 REMARK 200 <I/SIGMA(I)> FOR THE DATA SET : 11.4000 REMARK 200 REMARK 200 IN THE HIGHEST RESOLUTION SHELL. REMARK 200 HIGHEST RESOLUTION SHELL, RANGE HIGH (A) : 2.10 REMARK 200 HIGHEST RESOLUTION SHELL, RANGE LOW (A) : 2.14 REMARK 200 COMPLETENESS FOR SHELL (%) : 42.2 REMARK 200 DATA REDUNDANCY IN SHELL : 1.20 REMARK 200 R MERGE FOR SHELL (I) : NULL REMARK 200 R SYM FOR SHELL (I) : 0.35100 REMARK 200 <I/SIGMA(I)> FOR SHELL : 1.300 REMARK 200 REMARK 200 DIFFRACTION PROTOCOL: SINGLE WAVELENGTH REMARK 200 METHOD USED TO DETERMINE THE STRUCTURE: MOLECULAR REPLACEMENT REMARK 200 SOFTWARE USED: AMORE REMARK 200 STARTING MODEL: PDB ENTRY 1G8M REMARK 200 REMARK 200 REMARK: NULL

REMARK 280 REMARK 280 CRYSTAL REMARK 280 SOLVENT CONTENT, VS (%): 52.80 REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 2.60 REMARK 280 REMARK 280 CRYSTALLIZATION CONDITIONS: PEG 8000, IMIDAZOLE, DTT, PH 7.2, REMARK 280 VAPOR DIFFUSION, SITTING DROP, TEMPERATURE 295K

REMARK 290 REMARK 290 CRYSTALLOGRAPHIC SYMMETRY REMARK 290 SYMMETRY OPERATORS FOR SPACE GROUP: P 1 REMARK 290 REMARK 290 SYMOP SYMMETRY REMARK 290 NNNMMM OPERATOR REMARK 290 1555 X,Y,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 REMARK 290 REMARK: NULL

REMARK 300 REMARK 300 BIOMOLECULE: 1, 2 REMARK 300 SEE REMARK 350 FOR THE AUTHOR PROVIDED AND/OR PROGRAM REMARK 300 GENERATED ASSEMBLY INFORMATION FOR THE STRUCTURE IN REMARK 300 THIS ENTRY. THE REMARK MAY ALSO PROVIDE INFORMATION ON REMARK 300 BURIED SURFACE AREA. REMARK 300 REMARK: THE BIOLOGICAL UNIT IS A DIMER. THERE ARE 2 BIOLOGICAL REMARK 300 UNITS IN THE ASYMMETRIC UNIT (CHAINS A, B, C &D)

REMARK 350 REMARK 350 COORDINATES FOR A COMPLETE MULTIMER REPRESENTING THE KNOWN REMARK 350 BIOLOGICALLY SIGNIFICANT OLIGOMERIZATION STATE OF THE REMARK 350 MOLECULE CAN BE GENERATED BY APPLYING BIOMT TRANSFORMATIONS REMARK 350 GIVEN BELOW. BOTH NON-CRYSTALLOGRAPHIC AND REMARK 350 CRYSTALLOGRAPHIC OPERATIONS ARE GIVEN. REMARK 350 REMARK 350 BIOMOLECULE: 1 REMARK 350 AUTHOR DETERMINED BIOLOGICAL UNIT: DIMERIC REMARK 350 SOFTWARE DETERMINED QUATERNARY STRUCTURE: DIMERIC REMARK 350 SOFTWARE USED: PISA,PQS REMARK 350 TOTAL BURIED SURFACE AREA: 13080 ANGSTROM**2 REMARK 350 SURFACE AREA OF THE COMPLEX: 43370 ANGSTROM**2 REMARK 350 CHANGE IN SOLVENT FREE ENERGY: -63.0 KCAL/MOL REMARK 350 APPLY THE FOLLOWING TO CHAINS: A, B REMARK 350 BIOMT1 1 1.000000 0.000000 0.000000 0.00000 REMARK 350 BIOMT2 1 0.000000 1.000000 0.000000 0.00000 REMARK 350 BIOMT3 1 0.000000 0.000000 1.000000 0.00000 REMARK 350 REMARK 350 BIOMOLECULE: 2 REMARK 350 AUTHOR DETERMINED BIOLOGICAL UNIT: DIMERIC REMARK 350 SOFTWARE DETERMINED QUATERNARY STRUCTURE: DIMERIC REMARK 350 SOFTWARE USED: PISA,PQS REMARK 350 TOTAL BURIED SURFACE AREA: 12860 ANGSTROM**2 REMARK 350 SURFACE AREA OF THE COMPLEX: 43500 ANGSTROM**2 REMARK 350 CHANGE IN SOLVENT FREE ENERGY: -67.0 KCAL/MOL REMARK 350 APPLY THE FOLLOWING TO CHAINS: C, 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 ALA A 2 REMARK 465 ALA A 3 REMARK 465 MET B 1 REMARK 465 ALA B 2 REMARK 465 ALA B 3 REMARK 465 MET C 1 REMARK 465 ALA C 2 REMARK 465 ALA C 3 REMARK 465 MET D 1 REMARK 465 ALA D 2 REMARK 465 ALA D 3

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 O PRO A 106 OG1 THR A 110 2.09 REMARK 500 O GLN D 389 O HOH D 1047 2.19 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 LEU A 18 CA - CB - CG ANGL. DEV. = 14.0 DEGREES REMARK 500 PRO A 114 C - N - CA ANGL. DEV. = 9.4 DEGREES REMARK 500 PRO B 114 C - N - CA ANGL. DEV. = 9.5 DEGREES REMARK 500 VAL C 342 CB - CA - C ANGL. DEV. = -12.5 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 PRO A 48 95.75 -64.71 REMARK 500 LEU A 55 -40.61 -149.55 REMARK 500 PRO A 59 -179.07 -61.15 REMARK 500 MET A 61 154.57 -17.06 REMARK 500 LYS A 67 -52.16 -134.37 REMARK 500 PRO A 106 84.37 -69.88 REMARK 500 PRO A 114 -126.73 -22.32 REMARK 500 ASN A 139 38.01 -89.96 REMARK 500 VAL A 202 -71.16 -113.86 REMARK 500 SER A 235 108.46 -166.48 REMARK 500 ALA A 274 141.19 -171.07 REMARK 500 LEU A 411 75.28 -165.90 REMARK 500 ASP A 503 -99.61 -112.63 REMARK 500 SER B 11 86.23 -155.08 REMARK 500 LYS B 67 -38.81 -154.78 REMARK 500 PRO B 114 -55.90 -21.23 REMARK 500 ILE B 127 -66.81 -105.50 REMARK 500 ASN B 139 40.13 -94.50 REMARK 500 VAL B 202 -69.63 -107.26 REMARK 500 TYR B 209 -176.84 -171.26 REMARK 500 LEU B 411 75.00 -154.00 REMARK 500 SER B 476 33.66 -99.25 REMARK 500 GLU B 502 56.10 -145.42 REMARK 500 ASP B 503 -104.17 -176.55 REMARK 500 PRO C 59 98.24 -67.10 REMARK 500 PRO C 114 -62.60 -26.70 REMARK 500 ILE C 127 -66.55 -109.96 REMARK 500 ASN C 139 38.17 -84.03 REMARK 500 VAL C 202 -70.64 -106.31 REMARK 500 LEU C 411 79.08 -150.52 REMARK 500 ALA C 481 2.06 -60.59 REMARK 500 ASP C 503 -117.69 43.93 REMARK 500 ALA C 567 -4.49 -56.95 REMARK 500 ALA D 41 -35.80 174.32 REMARK 500 GLU D 60 38.27 -78.74 REMARK 500 MET D 61 166.38 -39.33 REMARK 500 LEU D 62 -162.58 66.98 REMARK 500 LYS D 67 -54.00 -130.24 REMARK 500 PRO D 106 82.46 -63.00 REMARK 500 PRO D 149 -6.23 -51.83 REMARK 500 VAL D 202 -73.93 -111.51 REMARK 500 SER D 235 107.29 -166.12 REMARK 500 LEU D 411 76.20 -160.91 REMARK 500 ASP D 503 -123.71 52.39 REMARK 500 REMARK 500 REMARK: NULL REMARK 500 REMARK 500 GEOMETRY AND STEREOCHEMISTRY REMARK 500 SUBTOPIC: CHIRAL CENTERS REMARK 500 REMARK 500 UNEXPECTED CONFIGURATION OF THE FOLLOWING CHIRAL REMARK 500 CENTER(S) USING IMPROPER CA--C--CB--N CHIRALITY REMARK 500 FOR AMINO ACIDS AND C1'--O4'--N1(N9)--C2' FOR REMARK 500 NUCLEIC ACIDS OR EQUIVALENT ANGLE REMARK 500 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,A1,6X,F5.1,6X,A1,10X,A1,3X,A16) REMARK 500 REMARK 500 M RES CSSEQI IMPROPER EXPECTED FOUND DETAILS REMARK 500 ASP A 540 24.4 L L OUTSIDE RANGE 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 K A1001 K REMARK 620 N RES CSSEQI ATOM REMARK 620 1 SER A 433 OG REMARK 620 2 VAL A 426 O 99.2 REMARK 620 3 ASP A 540 OD2 63.3 124.0 REMARK 620 4 LEU A 590 O 139.5 88.8 79.3 REMARK 620 5 SER A 431 OG 83.5 177.2 56.7 88.7 REMARK 620 6 HIS A 592 N 131.1 127.7 95.1 63.6 49.9 REMARK 620 7 THR A 429 O 78.7 88.5 132.0 141.4 92.6 88.4 REMARK 620 N 1 2 3 4 5 6 REMARK 620 REMARK 620 COORDINATION ANGLES FOR: M RES CSSEQI METAL REMARK 620 K B1002 K REMARK 620 N RES CSSEQI ATOM REMARK 620 1 SER B 433 OG REMARK 620 2 THR B 429 O 69.4 REMARK 620 3 VAL B 426 O 95.3 86.6 REMARK 620 4 ASP B 540 OD2 65.6 125.4 126.1 REMARK 620 5 SER B 431 OG 81.2 94.8 175.5 49.8 REMARK 620 6 LEU B 590 O 143.3 146.4 95.0 79.9 86.2 REMARK 620 N 1 2 3 4 5 REMARK 620 REMARK 620 COORDINATION ANGLES FOR: M RES CSSEQI METAL REMARK 620 K C1003 K REMARK 620 N RES CSSEQI ATOM REMARK 620 1 VAL C 426 O REMARK 620 2 SER C 433 OG 95.3 REMARK 620 3 ASP C 540 OD2 126.5 67.1 REMARK 620 4 LEU C 590 O 94.3 145.4 80.6 REMARK 620 5 SER C 431 OG 176.8 83.9 56.0 88.1 REMARK 620 6 THR C 429 O 85.0 69.9 127.8 144.2 91.9 REMARK 620 N 1 2 3 4 5 REMARK 620 REMARK 620 COORDINATION ANGLES FOR: M RES CSSEQI METAL REMARK 620 K D1004 K REMARK 620 N RES CSSEQI ATOM REMARK 620 1 HIS D 592 N REMARK 620 2 VAL D 426 O 132.0 REMARK 620 3 LEU D 590 O 61.9 93.5 REMARK 620 4 SER D 433 OG 136.1 90.3 138.2 REMARK 620 5 ASP D 540 OD2 92.2 127.6 83.8 61.6 REMARK 620 6 THR D 429 O 89.7 86.3 140.9 80.9 126.3 REMARK 620 7 SER D 431 OG 46.9 178.7 86.6 90.5 53.7 92.8 REMARK 620 N 1 2 3 4 5 6

REMARK 800 REMARK 800 SITE REMARK 800 SITE_IDENTIFIER: AC1 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE PO4 A 801 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC2 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE PO4 C 901 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC3 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE K A 1001 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC4 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE K B 1002 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC5 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE K C 1003 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC6 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE K D 1004 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC7 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE 13A A 600 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC8 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE 13A D 601

REMARK 900 REMARK 900 RELATED ENTRIES REMARK 900 RELATED ID: 1G8M RELATED DB: PDB REMARK 900 CRYSTAL STRUCTURE OF AVIAN ATIC REMARK 900 RELATED ID: 1M9N RELATED DB: PDB REMARK 900 THE SAME PROTEIN IN COMPLEX WITH AICAR AND XMP REMARK 900 RELATED ID: 1OZ0 RELATED DB: PDB REMARK 900 THE SAME PROTEIN IN COMPLEX WITH A MULTISUBSTRATE ADDUCT REMARK 900 INHIBITOR REMARK 900 RELATED ID: 1PL0 RELATED DB: PDB REMARK 900 CRYSTAL STRUCTURE OF HUMAN ATIC IN COMPLEX WITH FOLATE- REMARK 900 BASED INHIBITOR, BW2315U89UC REMARK 900 RELATED ID: 1THZ RELATED DB: PDB REMARK 900 CRYSTAL STRUCTURE OF AVIAN AICAR TRANSFORMYLASE IN COMPLEX REMARK 900 WITH A NOVEL INHIBITOR IDENTIFIED BY VIRTUAL LIGAND REMARK 900 SCREENING REMARK 900 RELATED ID: 1PKX RELATED DB: PDB REMARK 900 CRYSTAL STRUCTURE OF HUMAN ATIC IN COMPLEX WITH XMP REMARK 900 RELATED ID: 2B0W RELATED DB: PDB REMARK 900 RELATED ID: 2B1I RELATED DB: PDB

DBREF 2B1G A 1 593 UNP P31335 PUR9_CHICK 1 593 DBREF 2B1G B 1 593 UNP P31335 PUR9_CHICK 1 593 DBREF 2B1G C 1 593 UNP P31335 PUR9_CHICK 1 593 DBREF 2B1G D 1 593 UNP P31335 PUR9_CHICK 1 593

SEQRES 1 A 593 MET ALA ALA ARG GLN GLN LEU ALA LEU LEU SER VAL SER SEQRES 2 A 593 GLU LYS ALA GLY LEU VAL GLU PHE ALA ARG SER LEU ASN SEQRES 3 A 593 ALA LEU GLY LEU GLY LEU ILE ALA SER GLY GLY THR ALA SEQRES 4 A 593 THR ALA LEU ARG ASP ALA GLY LEU PRO VAL ARG ASP VAL SEQRES 5 A 593 SER ASP LEU THR GLY PHE PRO GLU MET LEU GLY GLY ARG SEQRES 6 A 593 VAL LYS THR LEU HIS PRO ALA VAL HIS ALA GLY ILE LEU SEQRES 7 A 593 ALA ARG ASN ILE PRO GLU ASP ASN ALA ASP MET ASN LYS SEQRES 8 A 593 GLN ASP PHE SER LEU VAL ARG VAL VAL VAL CYS ASN LEU SEQRES 9 A 593 TYR PRO PHE VAL LYS THR VAL SER SER PRO GLY VAL THR SEQRES 10 A 593 VAL PRO GLU ALA VAL GLU LYS ILE ASP ILE GLY GLY VAL SEQRES 11 A 593 ALA LEU LEU ARG ALA ALA ALA LYS ASN HIS ALA ARG VAL SEQRES 12 A 593 THR VAL VAL CYS ASP PRO ALA ASP TYR SER SER VAL ALA SEQRES 13 A 593 LYS GLU MET ALA ALA SER LYS ASP LYS ASP THR SER VAL SEQRES 14 A 593 GLU THR ARG ARG HIS LEU ALA LEU LYS ALA PHE THR HIS SEQRES 15 A 593 THR ALA GLN TYR ASP ALA ALA ILE SER ASP TYR PHE ARG SEQRES 16 A 593 LYS GLU TYR SER LYS GLY VAL SER GLN LEU PRO LEU ARG SEQRES 17 A 593 TYR GLY MET ASN PRO HIS GLN SER PRO ALA GLN LEU TYR SEQRES 18 A 593 THR THR ARG PRO LYS LEU PRO LEU THR VAL VAL ASN GLY SEQRES 19 A 593 SER PRO GLY PHE ILE ASN LEU CYS ASP ALA LEU ASN ALA SEQRES 20 A 593 TRP GLN LEU VAL LYS GLU LEU LYS GLN ALA LEU GLY ILE SEQRES 21 A 593 PRO ALA ALA ALA SER PHE LYS HIS VAL SER PRO ALA GLY SEQRES 22 A 593 ALA ALA VAL GLY ILE PRO LEU SER GLU GLU GLU ALA GLN SEQRES 23 A 593 VAL CYS MET VAL HIS ASP LEU HIS LYS THR LEU THR PRO SEQRES 24 A 593 LEU ALA SER ALA TYR ALA ARG SER ARG GLY ALA ASP ARG SEQRES 25 A 593 MET SER SER PHE GLY ASP PHE ILE ALA LEU SER ASP ILE SEQRES 26 A 593 CYS ASP VAL PRO THR ALA LYS ILE ILE SER ARG GLU VAL SEQRES 27 A 593 SER ASP GLY VAL VAL ALA PRO GLY TYR GLU GLU GLU ALA SEQRES 28 A 593 LEU LYS ILE LEU SER LYS LYS LYS ASN GLY GLY TYR CYS SEQRES 29 A 593 VAL LEU GLN MET ASP PRO ASN TYR GLU PRO ASP ASP ASN SEQRES 30 A 593 GLU ILE ARG THR LEU TYR GLY LEU GLN LEU MET GLN LYS SEQRES 31 A 593 ARG ASN ASN ALA VAL ILE ASP ARG SER LEU PHE LYS ASN SEQRES 32 A 593 ILE VAL THR LYS ASN LYS THR LEU PRO GLU SER ALA VAL SEQRES 33 A 593 ARG ASP LEU ILE VAL ALA SER ILE ALA VAL LYS TYR THR SEQRES 34 A 593 GLN SER ASN SER VAL CYS TYR ALA LYS ASP GLY GLN VAL SEQRES 35 A 593 ILE GLY ILE GLY ALA GLY GLN GLN SER ARG ILE HIS CYS SEQRES 36 A 593 THR ARG LEU ALA GLY ASP LYS ALA ASN SER TRP TRP LEU SEQRES 37 A 593 ARG HIS HIS PRO ARG VAL LEU SER MET LYS PHE LYS ALA SEQRES 38 A 593 GLY VAL LYS ARG ALA GLU VAL SER ASN ALA ILE ASP GLN SEQRES 39 A 593 TYR VAL THR GLY THR ILE GLY GLU ASP GLU ASP LEU VAL SEQRES 40 A 593 LYS TRP GLN ALA MET PHE GLU GLU VAL PRO ALA GLN LEU SEQRES 41 A 593 THR GLU ALA GLU LYS LYS GLN TRP ILE ALA LYS LEU THR SEQRES 42 A 593 ALA VAL SER LEU SER SER ASP ALA PHE PHE PRO PHE ARG SEQRES 43 A 593 ASP ASN VAL ASP ARG ALA LYS ARG ILE GLY VAL GLN PHE SEQRES 44 A 593 ILE VAL ALA PRO SER GLY SER ALA ALA ASP GLU VAL VAL SEQRES 45 A 593 ILE GLU ALA CYS ASN GLU LEU GLY ILE THR LEU ILE HIS SEQRES 46 A 593 THR ASN LEU ARG LEU PHE HIS HIS SEQRES 1 B 593 MET ALA ALA ARG GLN GLN LEU ALA LEU LEU SER VAL SER SEQRES 2 B 593 GLU LYS ALA GLY LEU VAL GLU PHE ALA ARG SER LEU ASN SEQRES 3 B 593 ALA LEU GLY LEU GLY LEU ILE ALA SER GLY GLY THR ALA SEQRES 4 B 593 THR ALA LEU ARG ASP ALA GLY LEU PRO VAL ARG ASP VAL SEQRES 5 B 593 SER ASP LEU THR GLY PHE PRO GLU MET LEU GLY GLY ARG SEQRES 6 B 593 VAL LYS THR LEU HIS PRO ALA VAL HIS ALA GLY ILE LEU SEQRES 7 B 593 ALA ARG ASN ILE PRO GLU ASP ASN ALA ASP MET ASN LYS SEQRES 8 B 593 GLN ASP PHE SER LEU VAL ARG VAL VAL VAL CYS ASN LEU SEQRES 9 B 593 TYR PRO PHE VAL LYS THR VAL SER SER PRO GLY VAL THR SEQRES 10 B 593 VAL PRO GLU ALA VAL GLU LYS ILE ASP ILE GLY GLY VAL SEQRES 11 B 593 ALA LEU LEU ARG ALA ALA ALA LYS ASN HIS ALA ARG VAL SEQRES 12 B 593 THR VAL VAL CYS ASP PRO ALA ASP TYR SER SER VAL ALA SEQRES 13 B 593 LYS GLU MET ALA ALA SER LYS ASP LYS ASP THR SER VAL SEQRES 14 B 593 GLU THR ARG ARG HIS LEU ALA LEU LYS ALA PHE THR HIS SEQRES 15 B 593 THR ALA GLN TYR ASP ALA ALA ILE SER ASP TYR PHE ARG SEQRES 16 B 593 LYS GLU TYR SER LYS GLY VAL SER GLN LEU PRO LEU ARG SEQRES 17 B 593 TYR GLY MET ASN PRO HIS GLN SER PRO ALA GLN LEU TYR SEQRES 18 B 593 THR THR ARG PRO LYS LEU PRO LEU THR VAL VAL ASN GLY SEQRES 19 B 593 SER PRO GLY PHE ILE ASN LEU CYS ASP ALA LEU ASN ALA SEQRES 20 B 593 TRP GLN LEU VAL LYS GLU LEU LYS GLN ALA LEU GLY ILE SEQRES 21 B 593 PRO ALA ALA ALA SER PHE LYS HIS VAL SER PRO ALA GLY SEQRES 22 B 593 ALA ALA VAL GLY ILE PRO LEU SER GLU GLU GLU ALA GLN SEQRES 23 B 593 VAL CYS MET VAL HIS ASP LEU HIS LYS THR LEU THR PRO SEQRES 24 B 593 LEU ALA SER ALA TYR ALA ARG SER ARG GLY ALA ASP ARG SEQRES 25 B 593 MET SER SER PHE GLY ASP PHE ILE ALA LEU SER ASP ILE SEQRES 26 B 593 CYS ASP VAL PRO THR ALA LYS ILE ILE SER ARG GLU VAL SEQRES 27 B 593 SER ASP GLY VAL VAL ALA PRO GLY TYR GLU GLU GLU ALA SEQRES 28 B 593 LEU LYS ILE LEU SER LYS LYS LYS ASN GLY GLY TYR CYS SEQRES 29 B 593 VAL LEU GLN MET ASP PRO ASN TYR GLU PRO ASP ASP ASN SEQRES 30 B 593 GLU ILE ARG THR LEU TYR GLY LEU GLN LEU MET GLN LYS SEQRES 31 B 593 ARG ASN ASN ALA VAL ILE ASP ARG SER LEU PHE LYS ASN SEQRES 32 B 593 ILE VAL THR LYS ASN LYS THR LEU PRO GLU SER ALA VAL SEQRES 33 B 593 ARG ASP LEU ILE VAL ALA SER ILE ALA VAL LYS TYR THR SEQRES 34 B 593 GLN SER ASN SER VAL CYS TYR ALA LYS ASP GLY GLN VAL SEQRES 35 B 593 ILE GLY ILE GLY ALA GLY GLN GLN SER ARG ILE HIS CYS SEQRES 36 B 593 THR ARG LEU ALA GLY ASP LYS ALA ASN SER TRP TRP LEU SEQRES 37 B 593 ARG HIS HIS PRO ARG VAL LEU SER MET LYS PHE LYS ALA SEQRES 38 B 593 GLY VAL LYS ARG ALA GLU VAL SER ASN ALA ILE ASP GLN SEQRES 39 B 593 TYR VAL THR GLY THR ILE GLY GLU ASP GLU ASP LEU VAL SEQRES 40 B 593 LYS TRP GLN ALA MET PHE GLU GLU VAL PRO ALA GLN LEU SEQRES 41 B 593 THR GLU ALA GLU LYS LYS GLN TRP ILE ALA LYS LEU THR SEQRES 42 B 593 ALA VAL SER LEU SER SER ASP ALA PHE PHE PRO PHE ARG SEQRES 43 B 593 ASP ASN VAL ASP ARG ALA LYS ARG ILE GLY VAL GLN PHE SEQRES 44 B 593 ILE VAL ALA PRO SER GLY SER ALA ALA ASP GLU VAL VAL SEQRES 45 B 593 ILE GLU ALA CYS ASN GLU LEU GLY ILE THR LEU ILE HIS SEQRES 46 B 593 THR ASN LEU ARG LEU PHE HIS HIS SEQRES 1 C 593 MET ALA ALA ARG GLN GLN LEU ALA LEU LEU SER VAL SER SEQRES 2 C 593 GLU LYS ALA GLY LEU VAL GLU PHE ALA ARG SER LEU ASN SEQRES 3 C 593 ALA LEU GLY LEU GLY LEU ILE ALA SER GLY GLY THR ALA SEQRES 4 C 593 THR ALA LEU ARG ASP ALA GLY LEU PRO VAL ARG ASP VAL SEQRES 5 C 593 SER ASP LEU THR GLY PHE PRO GLU MET LEU GLY GLY ARG SEQRES 6 C 593 VAL LYS THR LEU HIS PRO ALA VAL HIS ALA GLY ILE LEU SEQRES 7 C 593 ALA ARG ASN ILE PRO GLU ASP ASN ALA ASP MET ASN LYS SEQRES 8 C 593 GLN ASP PHE SER LEU VAL ARG VAL VAL VAL CYS ASN LEU SEQRES 9 C 593 TYR PRO PHE VAL LYS THR VAL SER SER PRO GLY VAL THR SEQRES 10 C 593 VAL PRO GLU ALA VAL GLU LYS ILE ASP ILE GLY GLY VAL SEQRES 11 C 593 ALA LEU LEU ARG ALA ALA ALA LYS ASN HIS ALA ARG VAL SEQRES 12 C 593 THR VAL VAL CYS ASP PRO ALA ASP TYR SER SER VAL ALA SEQRES 13 C 593 LYS GLU MET ALA ALA SER LYS ASP LYS ASP THR SER VAL SEQRES 14 C 593 GLU THR ARG ARG HIS LEU ALA LEU LYS ALA PHE THR HIS SEQRES 15 C 593 THR ALA GLN TYR ASP ALA ALA ILE SER ASP TYR PHE ARG SEQRES 16 C 593 LYS GLU TYR SER LYS GLY VAL SER GLN LEU PRO LEU ARG SEQRES 17 C 593 TYR GLY MET ASN PRO HIS GLN SER PRO ALA GLN LEU TYR SEQRES 18 C 593 THR THR ARG PRO LYS LEU PRO LEU THR VAL VAL ASN GLY SEQRES 19 C 593 SER PRO GLY PHE ILE ASN LEU CYS ASP ALA LEU ASN ALA SEQRES 20 C 593 TRP GLN LEU VAL LYS GLU LEU LYS GLN ALA LEU GLY ILE SEQRES 21 C 593 PRO ALA ALA ALA SER PHE LYS HIS VAL SER PRO ALA GLY SEQRES 22 C 593 ALA ALA VAL GLY ILE PRO LEU SER GLU GLU GLU ALA GLN SEQRES 23 C 593 VAL CYS MET VAL HIS ASP LEU HIS LYS THR LEU THR PRO SEQRES 24 C 593 LEU ALA SER ALA TYR ALA ARG SER ARG GLY ALA ASP ARG SEQRES 25 C 593 MET SER SER PHE GLY ASP PHE ILE ALA LEU SER ASP ILE SEQRES 26 C 593 CYS ASP VAL PRO THR ALA LYS ILE ILE SER ARG GLU VAL SEQRES 27 C 593 SER ASP GLY VAL VAL ALA PRO GLY TYR GLU GLU GLU ALA SEQRES 28 C 593 LEU LYS ILE LEU SER LYS LYS LYS ASN GLY GLY TYR CYS SEQRES 29 C 593 VAL LEU GLN MET ASP PRO ASN TYR GLU PRO ASP ASP ASN SEQRES 30 C 593 GLU ILE ARG THR LEU TYR GLY LEU GLN LEU MET GLN LYS SEQRES 31 C 593 ARG ASN ASN ALA VAL ILE ASP ARG SER LEU PHE LYS ASN SEQRES 32 C 593 ILE VAL THR LYS ASN LYS THR LEU PRO GLU SER ALA VAL SEQRES 33 C 593 ARG ASP LEU ILE VAL ALA SER ILE ALA VAL LYS TYR THR SEQRES 34 C 593 GLN SER ASN SER VAL CYS TYR ALA LYS ASP GLY GLN VAL SEQRES 35 C 593 ILE GLY ILE GLY ALA GLY GLN GLN SER ARG ILE HIS CYS SEQRES 36 C 593 THR ARG LEU ALA GLY ASP LYS ALA ASN SER TRP TRP LEU SEQRES 37 C 593 ARG HIS HIS PRO ARG VAL LEU SER MET LYS PHE LYS ALA SEQRES 38 C 593 GLY VAL LYS ARG ALA GLU VAL SER ASN ALA ILE ASP GLN SEQRES 39 C 593 TYR VAL THR GLY THR ILE GLY GLU ASP GLU ASP LEU VAL SEQRES 40 C 593 LYS TRP GLN ALA MET PHE GLU GLU VAL PRO ALA GLN LEU SEQRES 41 C 593 THR GLU ALA GLU LYS LYS GLN TRP ILE ALA LYS LEU THR SEQRES 42 C 593 ALA VAL SER LEU SER SER ASP ALA PHE PHE PRO PHE ARG SEQRES 43 C 593 ASP ASN VAL ASP ARG ALA LYS ARG ILE GLY VAL GLN PHE SEQRES 44 C 593 ILE VAL ALA PRO SER GLY SER ALA ALA ASP GLU VAL VAL SEQRES 45 C 593 ILE GLU ALA CYS ASN GLU LEU GLY ILE THR LEU ILE HIS SEQRES 46 C 593 THR ASN LEU ARG LEU PHE HIS HIS SEQRES 1 D 593 MET ALA ALA ARG GLN GLN LEU ALA LEU LEU SER VAL SER SEQRES 2 D 593 GLU LYS ALA GLY LEU VAL GLU PHE ALA ARG SER LEU ASN SEQRES 3 D 593 ALA LEU GLY LEU GLY LEU ILE ALA SER GLY GLY THR ALA SEQRES 4 D 593 THR ALA LEU ARG ASP ALA GLY LEU PRO VAL ARG ASP VAL SEQRES 5 D 593 SER ASP LEU THR GLY PHE PRO GLU MET LEU GLY GLY ARG SEQRES 6 D 593 VAL LYS THR LEU HIS PRO ALA VAL HIS ALA GLY ILE LEU SEQRES 7 D 593 ALA ARG ASN ILE PRO GLU ASP ASN ALA ASP MET ASN LYS SEQRES 8 D 593 GLN ASP PHE SER LEU VAL ARG VAL VAL VAL CYS ASN LEU SEQRES 9 D 593 TYR PRO PHE VAL LYS THR VAL SER SER PRO GLY VAL THR SEQRES 10 D 593 VAL PRO GLU ALA VAL GLU LYS ILE ASP ILE GLY GLY VAL SEQRES 11 D 593 ALA LEU LEU ARG ALA ALA ALA LYS ASN HIS ALA ARG VAL SEQRES 12 D 593 THR VAL VAL CYS ASP PRO ALA ASP TYR SER SER VAL ALA SEQRES 13 D 593 LYS GLU MET ALA ALA SER LYS ASP LYS ASP THR SER VAL SEQRES 14 D 593 GLU THR ARG ARG HIS LEU ALA LEU LYS ALA PHE THR HIS SEQRES 15 D 593 THR ALA GLN TYR ASP ALA ALA ILE SER ASP TYR PHE ARG SEQRES 16 D 593 LYS GLU TYR SER LYS GLY VAL SER GLN LEU PRO LEU ARG SEQRES 17 D 593 TYR GLY MET ASN PRO HIS GLN SER PRO ALA GLN LEU TYR SEQRES 18 D 593 THR THR ARG PRO LYS LEU PRO LEU THR VAL VAL ASN GLY SEQRES 19 D 593 SER PRO GLY PHE ILE ASN LEU CYS ASP ALA LEU ASN ALA SEQRES 20 D 593 TRP GLN LEU VAL LYS GLU LEU LYS GLN ALA LEU GLY ILE SEQRES 21 D 593 PRO ALA ALA ALA SER PHE LYS HIS VAL SER PRO ALA GLY SEQRES 22 D 593 ALA ALA VAL GLY ILE PRO LEU SER GLU GLU GLU ALA GLN SEQRES 23 D 593 VAL CYS MET VAL HIS ASP LEU HIS LYS THR LEU THR PRO SEQRES 24 D 593 LEU ALA SER ALA TYR ALA ARG SER ARG GLY ALA ASP ARG SEQRES 25 D 593 MET SER SER PHE GLY ASP PHE ILE ALA LEU SER ASP ILE SEQRES 26 D 593 CYS ASP VAL PRO THR ALA LYS ILE ILE SER ARG GLU VAL SEQRES 27 D 593 SER ASP GLY VAL VAL ALA PRO GLY TYR GLU GLU GLU ALA SEQRES 28 D 593 LEU LYS ILE LEU SER LYS LYS LYS ASN GLY GLY TYR CYS SEQRES 29 D 593 VAL LEU GLN MET ASP PRO ASN TYR GLU PRO ASP ASP ASN SEQRES 30 D 593 GLU ILE ARG THR LEU TYR GLY LEU GLN LEU MET GLN LYS SEQRES 31 D 593 ARG ASN ASN ALA VAL ILE ASP ARG SER LEU PHE LYS ASN SEQRES 32 D 593 ILE VAL THR LYS ASN LYS THR LEU PRO GLU SER ALA VAL SEQRES 33 D 593 ARG ASP LEU ILE VAL ALA SER ILE ALA VAL LYS TYR THR SEQRES 34 D 593 GLN SER ASN SER VAL CYS TYR ALA LYS ASP GLY GLN VAL SEQRES 35 D 593 ILE GLY ILE GLY ALA GLY GLN GLN SER ARG ILE HIS CYS SEQRES 36 D 593 THR ARG LEU ALA GLY ASP LYS ALA ASN SER TRP TRP LEU SEQRES 37 D 593 ARG HIS HIS PRO ARG VAL LEU SER MET LYS PHE LYS ALA SEQRES 38 D 593 GLY VAL LYS ARG ALA GLU VAL SER ASN ALA ILE ASP GLN SEQRES 39 D 593 TYR VAL THR GLY THR ILE GLY GLU ASP GLU ASP LEU VAL SEQRES 40 D 593 LYS TRP GLN ALA MET PHE GLU GLU VAL PRO ALA GLN LEU SEQRES 41 D 593 THR GLU ALA GLU LYS LYS GLN TRP ILE ALA LYS LEU THR SEQRES 42 D 593 ALA VAL SER LEU SER SER ASP ALA PHE PHE PRO PHE ARG SEQRES 43 D 593 ASP ASN VAL ASP ARG ALA LYS ARG ILE GLY VAL GLN PHE SEQRES 44 D 593 ILE VAL ALA PRO SER GLY SER ALA ALA ASP GLU VAL VAL SEQRES 45 D 593 ILE GLU ALA CYS ASN GLU LEU GLY ILE THR LEU ILE HIS SEQRES 46 D 593 THR ASN LEU ARG LEU PHE HIS HIS

HET PO4 A 801 5 HET PO4 C 901 5 HET K A1001 1 HET K B1002 1 HET K C1003 1 HET K D1004 1 HET 13A A 600 21 HET 13A D 601 21

HETNAM PO4 PHOSPHATE ION HETNAM K POTASSIUM ION HETNAM 13A 7-(3,4-DIHYDROXY-5R-HYDROXYMETHYLTETRAHYDROFURAN-2-YL)- HETNAM 2 13A 2,2-DIOXO-1,2R,3R,7-TETRAHYDRO-2L6-IMIDAZO[4,5-C][1,2, HETNAM 3 13A 6]THIADIAZIN-4S-ONE

FORMUL 5 PO4 2(O4 P 3-) FORMUL 7 K 4(K 1+) FORMUL 11 13A 2(C9 H12 N4 O7 S) FORMUL 13 HOH *426(H2 O)

HELIX 1 1 GLY A 17 ALA A 27 1 11 HELIX 2 2 SER A 35 ARG A 43 1 9 HELIX 3 3 ASP A 44 GLY A 46 5 3 HELIX 4 4 VAL A 52 GLY A 57 1 6 HELIX 5 5 GLU A 60 ARG A 65 1 6 HELIX 6 6 HIS A 70 ALA A 79 1 10 HELIX 7 7 ILE A 82 ASP A 93 1 12 HELIX 8 8 PRO A 106 VAL A 111 1 6 HELIX 9 9 THR A 117 GLU A 123 1 7 HELIX 10 10 ILE A 127 ASN A 139 1 13 HELIX 11 11 ASP A 148 ALA A 150 5 3 HELIX 12 12 ASP A 151 ALA A 161 1 11 HELIX 13 13 SER A 168 SER A 199 1 32 HELIX 14 14 GLY A 237 GLY A 259 1 23 HELIX 15 15 SER A 281 CYS A 288 1 8 HELIX 16 16 VAL A 290 LEU A 297 5 8 HELIX 17 17 THR A 298 ALA A 310 1 13 HELIX 18 18 ASP A 327 GLU A 337 1 11 HELIX 19 19 GLU A 348 LYS A 357 1 10 HELIX 20 20 LYS A 358 GLY A 362 5 5 HELIX 21 21 ASP A 397 LYS A 402 5 6 HELIX 22 22 PRO A 412 TYR A 428 1 17 HELIX 23 23 SER A 451 ARG A 469 1 19 HELIX 24 24 HIS A 471 SER A 476 1 6 HELIX 25 25 LYS A 484 GLY A 498 1 15 HELIX 26 26 ASP A 503 ALA A 511 1 9 HELIX 27 27 THR A 521 ALA A 530 1 10 HELIX 28 28 ARG A 546 ARG A 554 1 9 HELIX 29 29 ALA A 568 LEU A 579 1 12 HELIX 30 30 GLY B 17 LEU B 28 1 12 HELIX 31 31 SER B 35 ALA B 45 1 11 HELIX 32 32 VAL B 52 GLY B 57 1 6 HELIX 33 33 MET B 61 ARG B 65 5 5 HELIX 34 34 HIS B 70 ALA B 79 1 10 HELIX 35 35 ILE B 82 ASP B 93 1 12 HELIX 36 36 PRO B 106 VAL B 111 1 6 HELIX 37 37 THR B 117 LYS B 124 1 8 HELIX 38 38 ILE B 127 ASN B 139 1 13 HELIX 39 39 ASP B 148 ALA B 150 5 3 HELIX 40 40 ASP B 151 SER B 162 1 12 HELIX 41 41 SER B 168 SER B 199 1 32 HELIX 42 42 GLY B 237 GLY B 259 1 23 HELIX 43 43 SER B 281 CYS B 288 1 8 HELIX 44 44 VAL B 290 LEU B 297 5 8 HELIX 45 45 THR B 298 ALA B 310 1 13 HELIX 46 46 ASP B 327 ARG B 336 1 10 HELIX 47 47 GLU B 348 SER B 356 1 9 HELIX 48 48 LYS B 357 GLY B 362 1 6 HELIX 49 49 ASP B 397 ASN B 403 5 7 HELIX 50 50 PRO B 412 TYR B 428 1 17 HELIX 51 51 SER B 451 ARG B 469 1 19 HELIX 52 52 HIS B 471 SER B 476 1 6 HELIX 53 53 LYS B 484 THR B 497 1 14 HELIX 54 54 ASP B 503 ALA B 511 1 9 HELIX 55 55 THR B 521 ALA B 530 1 10 HELIX 56 56 ARG B 546 ILE B 555 1 10 HELIX 57 57 ALA B 568 GLY B 580 1 13 HELIX 58 58 GLY C 17 LEU C 28 1 12 HELIX 59 59 SER C 35 ALA C 45 1 11 HELIX 60 60 ASP C 51 GLY C 57 1 7 HELIX 61 61 HIS C 70 ALA C 79 1 10 HELIX 62 62 ILE C 82 GLN C 92 1 11 HELIX 63 63 PRO C 106 SER C 112 1 7 HELIX 64 64 THR C 117 LYS C 124 1 8 HELIX 65 65 ILE C 127 ASN C 139 1 13 HELIX 66 66 ASP C 148 ALA C 150 5 3 HELIX 67 67 ASP C 151 SER C 162 1 12 HELIX 68 68 SER C 168 SER C 199 1 32 HELIX 69 69 GLY C 237 GLY C 259 1 23 HELIX 70 70 SER C 281 CYS C 288 1 8 HELIX 71 71 VAL C 290 LEU C 297 5 8 HELIX 72 72 THR C 298 GLY C 309 1 12 HELIX 73 73 ASP C 327 ARG C 336 1 10 HELIX 74 74 GLU C 348 LYS C 357 1 10 HELIX 75 75 ASP C 397 LYS C 402 5 6 HELIX 76 76 PRO C 412 TYR C 428 1 17 HELIX 77 77 SER C 451 ARG C 469 1 19 HELIX 78 78 HIS C 471 SER C 476 1 6 HELIX 79 79 LYS C 484 THR C 497 1 14 HELIX 80 80 GLU C 502 ALA C 511 1 10 HELIX 81 81 THR C 521 ALA C 530 1 10 HELIX 82 82 ARG C 546 ARG C 554 1 9 HELIX 83 83 ALA C 568 GLY C 580 1 13 HELIX 84 84 GLY D 17 LEU D 28 1 12 HELIX 85 85 SER D 35 ARG D 43 1 9 HELIX 86 86 VAL D 52 GLY D 57 1 6 HELIX 87 87 GLU D 60 ARG D 65 1 6 HELIX 88 88 HIS D 70 ALA D 79 1 10 HELIX 89 89 ILE D 82 ASP D 93 1 12 HELIX 90 90 PRO D 106 SER D 112 1 7 HELIX 91 91 THR D 117 LYS D 124 1 8 HELIX 92 92 ILE D 127 ASN D 139 1 13 HELIX 93 93 ASP D 151 ALA D 160 1 10 HELIX 94 94 SER D 168 SER D 199 1 32 HELIX 95 95 GLY D 237 GLY D 259 1 23 HELIX 96 96 SER D 281 CYS D 288 1 8 HELIX 97 97 VAL D 290 LEU D 297 5 8 HELIX 98 98 THR D 298 ALA D 310 1 13 HELIX 99 99 ASP D 327 GLU D 337 1 11 HELIX 100 100 GLU D 348 LYS D 358 1 11 HELIX 101 101 LYS D 359 GLY D 362 5 4 HELIX 102 102 ASP D 397 LYS D 402 5 6 HELIX 103 103 PRO D 412 TYR D 428 1 17 HELIX 104 104 SER D 451 ARG D 469 1 19 HELIX 105 105 HIS D 471 SER D 476 1 6 HELIX 106 106 LYS D 484 GLY D 498 1 15 HELIX 107 107 ASP D 503 ALA D 511 1 9 HELIX 108 108 THR D 521 ALA D 530 1 10 HELIX 109 109 ARG D 546 ARG D 554 1 9 HELIX 110 110 ALA D 568 LEU D 579 1 12

SHEET 1 A 5 VAL A 49 ASP A 51 0 SHEET 2 A 5 GLY A 31 ALA A 34 1 N LEU A 32 O ARG A 50 SHEET 3 A 5 LEU A 7 SER A 11 1 N ALA A 8 O GLY A 31 SHEET 4 A 5 VAL A 97 CYS A 102 1 O ARG A 98 N LEU A 7 SHEET 5 A 5 THR A 144 VAL A 146 1 O VAL A 146 N VAL A 100 SHEET 1 B 4 GLN A 204 LEU A 207 0 SHEET 2 B 4 ALA A 218 TYR A 221 -1 O LEU A 220 N LEU A 205 SHEET 3 B 4 LEU B 385 LYS B 390 -1 O MET B 388 N GLN A 219 SHEET 4 B 4 ASN B 377 LEU B 382 -1 N ARG B 380 O LEU B 387 SHEET 1 C 6 LEU A 229 ASN A 233 0 SHEET 2 C 6 VAL A 365 MET A 368 -1 O GLN A 367 N THR A 230 SHEET 3 C 6 SER A 339 ALA A 344 1 N VAL A 342 O LEU A 366 SHEET 4 C 6 ASP A 318 LEU A 322 1 N ASP A 318 O ASP A 340 SHEET 5 C 6 ALA A 262 LYS A 267 -1 N PHE A 266 O PHE A 319 SHEET 6 C 6 SER A 270 VAL A 276 -1 O ALA A 272 N SER A 265 SHEET 1 D 4 ASN A 377 LEU A 382 0 SHEET 2 D 4 LEU A 385 LYS A 390 -1 O LEU A 387 N ARG A 380 SHEET 3 D 4 ALA B 218 TYR B 221 -1 O TYR B 221 N GLN A 386 SHEET 4 D 4 GLN B 204 LEU B 207 -1 N LEU B 205 O LEU B 220 SHEET 1 E 5 GLN A 441 GLY A 446 0 SHEET 2 E 5 VAL A 434 LYS A 438 -1 N TYR A 436 O GLY A 444 SHEET 3 E 5 VAL A 535 SER A 539 -1 O SER A 536 N ALA A 437 SHEET 4 E 5 VAL A 557 PRO A 563 1 O GLN A 558 N VAL A 535 SHEET 5 E 5 THR A 582 THR A 586 1 O THR A 582 N ILE A 560 SHEET 1 F 2 LYS A 478 PHE A 479 0 SHEET 2 F 2 PHE A 513 GLU A 515 -1 O GLU A 514 N LYS A 478 SHEET 1 G 5 VAL B 49 ASP B 51 0 SHEET 2 G 5 GLY B 31 ALA B 34 1 N ALA B 34 O ARG B 50 SHEET 3 G 5 LEU B 7 VAL B 12 1 N LEU B 10 O ILE B 33 SHEET 4 G 5 VAL B 97 ASN B 103 1 O VAL B 101 N LEU B 9 SHEET 5 G 5 THR B 144 VAL B 146 1 O THR B 144 N ARG B 98 SHEET 1 H 6 LEU B 229 ASN B 233 0 SHEET 2 H 6 CYS B 364 MET B 368 -1 O VAL B 365 N ASN B 233 SHEET 3 H 6 SER B 339 ALA B 344 1 N VAL B 342 O LEU B 366 SHEET 4 H 6 ASP B 318 LEU B 322 1 N LEU B 322 O VAL B 343 SHEET 5 H 6 ALA B 262 LYS B 267 -1 N PHE B 266 O PHE B 319 SHEET 6 H 6 SER B 270 VAL B 276 -1 O ALA B 272 N SER B 265 SHEET 1 I 5 GLN B 441 GLY B 446 0 SHEET 2 I 5 VAL B 434 LYS B 438 -1 N TYR B 436 O GLY B 444 SHEET 3 I 5 VAL B 535 SER B 539 -1 O SER B 536 N ALA B 437 SHEET 4 I 5 VAL B 557 PRO B 563 1 O GLN B 558 N VAL B 535 SHEET 5 I 5 THR B 582 THR B 586 1 O THR B 582 N GLN B 558 SHEET 1 J 2 LYS B 478 PHE B 479 0 SHEET 2 J 2 PHE B 513 GLU B 515 -1 O GLU B 514 N LYS B 478 SHEET 1 K 5 VAL C 49 ARG C 50 0 SHEET 2 K 5 GLY C 31 ALA C 34 1 N LEU C 32 O ARG C 50 SHEET 3 K 5 LEU C 7 VAL C 12 1 N LEU C 10 O ILE C 33 SHEET 4 K 5 VAL C 97 ASN C 103 1 O VAL C 101 N LEU C 9 SHEET 5 K 5 THR C 144 VAL C 146 1 O VAL C 146 N VAL C 100 SHEET 1 L 4 GLN C 204 LEU C 207 0 SHEET 2 L 4 ALA C 218 TYR C 221 -1 O LEU C 220 N LEU C 205 SHEET 3 L 4 LEU D 385 LYS D 390 -1 O MET D 388 N GLN C 219 SHEET 4 L 4 ASN D 377 LEU D 382 -1 N LEU D 382 O LEU D 385 SHEET 1 M 6 LEU C 229 ASN C 233 0 SHEET 2 M 6 CYS C 364 MET C 368 -1 O GLN C 367 N THR C 230 SHEET 3 M 6 SER C 339 ALA C 344 1 N VAL C 342 O LEU C 366 SHEET 4 M 6 ASP C 318 LEU C 322 1 N ILE C 320 O GLY C 341 SHEET 5 M 6 ALA C 262 LYS C 267 -1 N PHE C 266 O PHE C 319 SHEET 6 M 6 SER C 270 VAL C 276 -1 O ALA C 275 N ALA C 263 SHEET 1 N 4 ASN C 377 LEU C 382 0 SHEET 2 N 4 LEU C 385 LYS C 390 -1 O LEU C 387 N ARG C 380 SHEET 3 N 4 ALA D 218 TYR D 221 -1 O GLN D 219 N MET C 388 SHEET 4 N 4 GLN D 204 LEU D 207 -1 N LEU D 207 O ALA D 218 SHEET 1 O 5 GLN C 441 GLY C 446 0 SHEET 2 O 5 VAL C 434 LYS C 438 -1 N TYR C 436 O GLY C 444 SHEET 3 O 5 VAL C 535 SER C 539 -1 O SER C 536 N ALA C 437 SHEET 4 O 5 VAL C 557 PRO C 563 1 O GLN C 558 N VAL C 535 SHEET 5 O 5 THR C 582 THR C 586 1 O THR C 582 N GLN C 558 SHEET 1 P 2 LYS C 478 PHE C 479 0 SHEET 2 P 2 PHE C 513 GLU C 515 -1 O GLU C 514 N LYS C 478 SHEET 1 Q 5 VAL D 49 ASP D 51 0 SHEET 2 Q 5 GLY D 31 ALA D 34 1 N LEU D 32 O ARG D 50 SHEET 3 Q 5 LEU D 7 SER D 11 1 N ALA D 8 O GLY D 31 SHEET 4 Q 5 VAL D 97 CYS D 102 1 O VAL D 101 N LEU D 9 SHEET 5 Q 5 THR D 144 VAL D 146 1 O THR D 144 N VAL D 100 SHEET 1 R 6 LEU D 229 ASN D 233 0 SHEET 2 R 6 CYS D 364 MET D 368 -1 O VAL D 365 N VAL D 232 SHEET 3 R 6 SER D 339 ALA D 344 1 N ALA D 344 O MET D 368 SHEET 4 R 6 ASP D 318 LEU D 322 1 N ASP D 318 O ASP D 340 SHEET 5 R 6 ALA D 262 LYS D 267 -1 N PHE D 266 O PHE D 319 SHEET 6 R 6 SER D 270 VAL D 276 -1 O ALA D 272 N SER D 265 SHEET 1 S 5 GLN D 441 ALA D 447 0 SHEET 2 S 5 SER D 433 LYS D 438 -1 N TYR D 436 O GLY D 444 SHEET 3 S 5 VAL D 535 SER D 539 -1 O SER D 536 N ALA D 437 SHEET 4 S 5 VAL D 557 PRO D 563 1 O GLN D 558 N VAL D 535 SHEET 5 S 5 THR D 582 THR D 586 1 O THR D 582 N GLN D 558 SHEET 1 T 2 LYS D 478 PHE D 479 0 SHEET 2 T 2 PHE D 513 GLU D 515 -1 O GLU D 514 N LYS D 478

LINK K K A1001 OG SER A 433 1555 1555 2.86 LINK K K A1001 O VAL A 426 1555 1555 2.60 LINK K K A1001 OD2 ASP A 540 1555 1555 2.77 LINK K K A1001 O LEU A 590 1555 1555 2.80 LINK K K A1001 OG SER A 431 1555 1555 2.89 LINK K K A1001 N HIS A 592 1555 1555 3.71 LINK K K A1001 O THR A 429 1555 1555 2.73 LINK K K B1002 OG SER B 433 1555 1555 3.07 LINK K K B1002 O THR B 429 1555 1555 2.63 LINK K K B1002 O VAL B 426 1555 1555 2.59 LINK K K B1002 OD2 ASP B 540 1555 1555 3.22 LINK K K B1002 OG SER B 431 1555 1555 3.03 LINK K K B1002 O LEU B 590 1555 1555 2.72 LINK K K C1003 O VAL C 426 1555 1555 2.61 LINK K K C1003 OG SER C 433 1555 1555 3.00 LINK K K C1003 OD2 ASP C 540 1555 1555 2.89 LINK K K C1003 O LEU C 590 1555 1555 2.70 LINK K K C1003 OG SER C 431 1555 1555 3.14 LINK K K C1003 O THR C 429 1555 1555 2.68 LINK K K D1004 N HIS D 592 1555 1555 3.68 LINK K K D1004 O VAL D 426 1555 1555 2.58 LINK K K D1004 O LEU D 590 1555 1555 2.73 LINK K K D1004 OG SER D 433 1555 1555 2.87 LINK K K D1004 OD2 ASP D 540 1555 1555 3.08 LINK K K D1004 O THR D 429 1555 1555 2.72 LINK K K D1004 OG SER D 431 1555 1555 3.05

CISPEP 1 SER A 216 PRO A 217 0 2.43 CISPEP 2 SER A 431 ASN A 432 0 -4.37 CISPEP 3 SER B 216 PRO B 217 0 -0.87 CISPEP 4 SER B 431 ASN B 432 0 -5.02 CISPEP 5 SER C 216 PRO C 217 0 -1.00 CISPEP 6 SER C 431 ASN C 432 0 -2.59 CISPEP 7 SER D 216 PRO D 217 0 2.70 CISPEP 8 SER D 431 ASN D 432 0 0.24

SITE 1 AC1 3 ARG A 589 ARG B 208 TYR B 209 SITE 1 AC2 3 ARG C 208 TYR C 209 ARG D 589 SITE 1 AC3 7 VAL A 426 THR A 429 SER A 431 SER A 433 SITE 2 AC3 7 ASP A 540 LEU A 590 HIS A 592 SITE 1 AC4 7 VAL B 426 THR B 429 SER B 431 SER B 433 SITE 2 AC4 7 ASP B 540 LEU B 590 HIS B 592 SITE 1 AC5 7 VAL C 426 THR C 429 SER C 431 SER C 433 SITE 2 AC5 7 ASP C 540 LEU C 590 HIS C 592 SITE 1 AC6 7 VAL D 426 THR D 429 SER D 431 SER D 433 SITE 2 AC6 7 ASP D 540 LEU D 590 HIS D 592 SITE 1 AC7 14 SER A 11 VAL A 12 SER A 13 GLY A 64 SITE 2 AC7 14 ARG A 65 LYS A 67 THR A 68 CYS A 102 SITE 3 AC7 14 ASN A 103 TYR A 105 ASP A 126 ILE A 127 SITE 4 AC7 14 GLY A 128 GLY A 129 SITE 1 AC8 16 SER D 11 VAL D 12 SER D 13 SER D 35 SITE 2 AC8 16 THR D 38 GLY D 64 ARG D 65 LYS D 67 SITE 3 AC8 16 THR D 68 CYS D 102 ASN D 103 TYR D 105 SITE 4 AC8 16 ASP D 126 ILE D 127 GLY D 128 GLY D 129

CRYST1 57.200 62.000 196.600 80.80 81.50 90.00 P 1 4

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 0.017480 0.000000 -0.002650 0.00000

SCALE2 0.000000 0.016130 -0.002640 0.00000

SCALE3 0.000000 0.000000 0.005210 0.00000