1THZ - Header Asymmetric Unit

HEADER TRANSFERASE, HYDROLASE 01-JUN-04 1THZ

TITLE CRYSTAL STRUCTURE OF AVIAN AICAR TRANSFORMYLASE IN COMPLEX TITLE 2 WITH A NOVEL INHIBITOR IDENTIFIED BY VIRTUAL LIGAND TITLE 3 SCREENING

COMPND MOL_ID: 1; COMPND 2 MOLECULE: BIFUNCTIONAL PURINE BIOSYNTHESIS PROTEIN PURH; COMPND 3 CHAIN: A, B; COMPND 4 EC: 2.1.2.3, 3.5.4.10; COMPND 5 ENGINEERED: YES; COMPND 6 OTHER_DETAILS: PURH CONTAINS COMPND 7 PHOSPHORIBOSYLAMINOIMIDAZOLECARBOXAMIDE FORMYLTRANSFERASE COMPND 8 AND IMP CYCLOHYDROLASE

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, VIRTUAL LIGAND SCREENING, PURINE BIOSYNTHESIS, CANCER KEYWDS 2 TARGET, TRANSFERASE, HYDROLASE

EXPDTA X-RAY DIFFRACTION

AUTHOR L.XU,C.LI,A.J.OLSON,I.A.WILSON

REVDAT 3 24-FEB-09 1THZ 1 VERSN REVDAT 2 21-DEC-04 1THZ 1 JRNL AUTHOR REVDAT 1 07-SEP-04 1THZ 0

JRNL AUTH L.XU,C.LI,A.J.OLSON,I.A.WILSON JRNL TITL CRYSTAL STRUCTURE OF AVIAN JRNL TITL 2 AMINOIMIDAZOLE-4-CARBOXAMIDE RIBONUCLEOTIDE JRNL TITL 3 TRANSFORMYLASE IN COMPLEX WITH A NOVEL NON-FOLATE JRNL TITL 4 INHIBITOR IDENTIFIED BY VIRTUAL LIGAND SCREENING. JRNL REF J.BIOL.CHEM. V. 279 50555 2004 JRNL REFN ISSN 0021-9258 JRNL PMID 15355974 JRNL DOI 10.1074/JBC.M406801200

REMARK 1 REMARK 1 REFERENCE 1 REMARK 1 AUTH D.W.WOLAN,S.E.GREASLEY,G.P.BEARSLEY,I.A.WILSON REMARK 1 TITL STRUCTURAL INSIGHTS INTO THE AVIAN AICAR REMARK 1 TITL 2 TRANSFORMYLASE MECHANISM REMARK 1 REF BIOCHEMISTRY V. 41 15505 2002 REMARK 1 REFN ISSN 0006-2960 REMARK 1 PMID 12501179 REMARK 1 DOI 10.1021/BI020505X REMARK 1 REFERENCE 2 REMARK 1 AUTH D.W.WOLAN,S.E.GREASLEY,M.J.WALL,S.J.BENKOVIC, REMARK 1 AUTH 2 I.A.WILSON REMARK 1 TITL STRUCTURE OF AVIAN AICAR TRANSFORMYLASE WITH A REMARK 1 TITL 2 MULTISUBSTRATE ADDUCT INHIBITOR BETA-DADF REMARK 1 TITL 3 IDENTIFIES THE FOLATE BINDING SITE REMARK 1 REF BIOCHEMISTRY V. 42 10904 2003 REMARK 1 REFN ISSN 0006-2960 REMARK 1 PMID 12974624 REMARK 1 DOI 10.1021/BI030106H REMARK 1 REFERENCE 3 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 REMARK 1 TITL 3 WITH THE BOUND XMP INHIBITOR REMARK 1 REF BIOCHEMISTRY V. 43 1171 2004 REMARK 1 REFN ISSN 0006-2960 REMARK 1 PMID 14756553 REMARK 1 DOI 10.1021/BI030162I REMARK 1 REFERENCE 4 REMARK 1 AUTH C.G.CHEONG,D.W.WOLAND,S.E.GREASLEY,P.A.HORTON, REMARK 1 AUTH 2 G.P.BEARDSLEY,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 REMARK 1 TITL 4 POTENT SULFONYL-CONTAINING ANTIFOLATES. REMARK 1 REF J.BIOL.CHEM. V. 279 18034 2004 REMARK 1 REFN ISSN 0021-9258 REMARK 1 PMID 14966129 REMARK 1 DOI 10.1074/JBC.M313691200 REMARK 1 REFERENCE 5 REMARK 1 AUTH S.E.GREASLEY,P.A.HORTON,J.RAMCHARAN,G.P.BEARSLEY, REMARK 1 AUTH 2 S.J.BENKOVIC,I.A.WILSON REMARK 1 TITL CRYSTAL STRUCTURE OF A BIFUNCTIONAL TRANSFORMYLASE REMARK 1 TITL 2 AND CYCLOHYDROLASE ENZYME IN PURINE BIOSYNTHESIS. REMARK 1 REF NAT.STRUCT.MOL.BIOL. V. 8 402 2001 REMARK 1 REFN ISSN 1545-9993 REMARK 1 DOI 10.1038/87555

REMARK 2 REMARK 2 RESOLUTION. 1.80 ANGSTROMS.

REMARK 3 REMARK 3 REFINEMENT. REMARK 3 PROGRAM : CNS 1.1 REMARK 3 AUTHORS : BRUNGER,ADAMS,CLORE,DELANO,GROS,GROSSE- REMARK 3 : KUNSTLEVE,JIANG,KUSZEWSKI,NILGES, PANNU, REMARK 3 : READ,RICE,SIMONSON,WARREN REMARK 3 REMARK 3 REFINEMENT TARGET : ENGH & HUBER REMARK 3 REMARK 3 DATA USED IN REFINEMENT. REMARK 3 RESOLUTION RANGE HIGH (ANGSTROMS) : 1.80 REMARK 3 RESOLUTION RANGE LOW (ANGSTROMS) : 31.01 REMARK 3 DATA CUTOFF (SIGMA(F)) : 0.000 REMARK 3 DATA CUTOFF HIGH (ABS(F)) : 825129.010 REMARK 3 DATA CUTOFF LOW (ABS(F)) : 0.0000 REMARK 3 COMPLETENESS (WORKING+TEST) (%) : 94.1 REMARK 3 NUMBER OF REFLECTIONS : 113750 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 SET) : 0.214 REMARK 3 FREE R VALUE : 0.240 REMARK 3 FREE R VALUE TEST SET SIZE (%) : 2.500 REMARK 3 FREE R VALUE TEST SET COUNT : 2836 REMARK 3 ESTIMATED ERROR OF FREE R VALUE : 0.005 REMARK 3 REMARK 3 FIT IN THE HIGHEST RESOLUTION BIN. REMARK 3 TOTAL NUMBER OF BINS USED : 6 REMARK 3 BIN RESOLUTION RANGE HIGH (A) : 1.80 REMARK 3 BIN RESOLUTION RANGE LOW (A) : 1.91 REMARK 3 BIN COMPLETENESS (WORKING+TEST) (%) : 92.10 REMARK 3 REFLECTIONS IN BIN (WORKING SET) : 17957 REMARK 3 BIN R VALUE (WORKING SET) : 0.2460 REMARK 3 BIN FREE R VALUE : 0.2880 REMARK 3 BIN FREE R VALUE TEST SET SIZE (%) : 2.50 REMARK 3 BIN FREE R VALUE TEST SET COUNT : 457 REMARK 3 ESTIMATED ERROR OF BIN FREE R VALUE : 0.013 REMARK 3 REMARK 3 NUMBER OF NON-HYDROGEN ATOMS USED IN REFINEMENT. REMARK 3 PROTEIN ATOMS : 9022 REMARK 3 NUCLEIC ACID ATOMS : 0 REMARK 3 HETEROGEN ATOMS : 68 REMARK 3 SOLVENT ATOMS : 748 REMARK 3 REMARK 3 B VALUES. REMARK 3 FROM WILSON PLOT (A**2) : 21.40 REMARK 3 MEAN B VALUE (OVERALL, A**2) : 27.30 REMARK 3 OVERALL ANISOTROPIC B VALUE. REMARK 3 B11 (A**2) : -5.74000 REMARK 3 B22 (A**2) : 5.39000 REMARK 3 B33 (A**2) : 0.34000 REMARK 3 B12 (A**2) : 0.00000 REMARK 3 B13 (A**2) : 0.52000 REMARK 3 B23 (A**2) : 0.00000 REMARK 3 REMARK 3 ESTIMATED COORDINATE ERROR. REMARK 3 ESD FROM LUZZATI PLOT (A) : 0.21 REMARK 3 ESD FROM SIGMAA (A) : 0.08 REMARK 3 LOW RESOLUTION CUTOFF (A) : 5.00 REMARK 3 REMARK 3 CROSS-VALIDATED ESTIMATED COORDINATE ERROR. REMARK 3 ESD FROM C-V LUZZATI PLOT (A) : 0.25 REMARK 3 ESD FROM C-V SIGMAA (A) : 0.14 REMARK 3 REMARK 3 RMS DEVIATIONS FROM IDEAL VALUES. REMARK 3 BOND LENGTHS (A) : 0.009 REMARK 3 BOND ANGLES (DEGREES) : 1.40 REMARK 3 DIHEDRAL ANGLES (DEGREES) : 21.90 REMARK 3 IMPROPER ANGLES (DEGREES) : 0.95 REMARK 3 REMARK 3 ISOTROPIC THERMAL MODEL : ANISOTROPIC REMARK 3 REMARK 3 ISOTROPIC THERMAL FACTOR RESTRAINTS. RMS SIGMA REMARK 3 MAIN-CHAIN BOND (A**2) : NULL ; NULL REMARK 3 MAIN-CHAIN ANGLE (A**2) : NULL ; NULL REMARK 3 SIDE-CHAIN BOND (A**2) : NULL ; NULL REMARK 3 SIDE-CHAIN ANGLE (A**2) : NULL ; NULL REMARK 3 REMARK 3 BULK SOLVENT MODELING. REMARK 3 METHOD USED : FLAT MODEL REMARK 3 KSOL : 0.35 REMARK 3 BSOL : 54.73 REMARK 3 REMARK 3 NCS MODEL : NULL REMARK 3 REMARK 3 NCS RESTRAINTS. RMS SIGMA/WEIGHT REMARK 3 GROUP 1 POSITIONAL (A) : NULL ; NULL REMARK 3 GROUP 1 B-FACTOR (A**2) : NULL ; NULL REMARK 3 REMARK 3 PARAMETER FILE 1 : PROTEIN_REP.PARAM REMARK 3 PARAMETER FILE 2 : ION.PARAM REMARK 3 PARAMETER FILE 3 : WATER.PARAM REMARK 3 PARAMETER FILE 4 : CIS_PEPTIDE.PARAM REMARK 3 PARAMETER FILE 5 : 326203_NEW.PAR REMARK 3 PARAMETER FILE 6 : NULL REMARK 3 TOPOLOGY FILE 1 : PROTEIN.TOP REMARK 3 TOPOLOGY FILE 2 : ION.TOP REMARK 3 TOPOLOGY FILE 3 : WATER.TOP REMARK 3 TOPOLOGY FILE 4 : 326203_NEW.TOP REMARK 3 TOPOLOGY FILE 5 : NULL REMARK 3 TOPOLOGY FILE 6 : NULL REMARK 3 REMARK 3 OTHER REFINEMENT REMARKS: MAXIMUM LIKELIHOOD TARGET USING REMARK 3 AMPLITUDES

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

REMARK 100 REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY RCSB ON 18-JUN-04. REMARK 100 THE RCSB ID CODE IS RCSB022651.

REMARK 200 REMARK 200 EXPERIMENTAL DETAILS REMARK 200 EXPERIMENT TYPE : X-RAY DIFFRACTION REMARK 200 DATE OF DATA COLLECTION : 27-MAR-03 REMARK 200 TEMPERATURE (KELVIN) : 100 REMARK 200 PH : 7.2 REMARK 200 NUMBER OF CRYSTALS USED : 1 REMARK 200 REMARK 200 SYNCHROTRON (Y/N) : Y REMARK 200 RADIATION SOURCE : SSRL REMARK 200 BEAMLINE : BL11-1 REMARK 200 X-RAY GENERATOR MODEL : NULL REMARK 200 MONOCHROMATIC OR LAUE (M/L) : M REMARK 200 WAVELENGTH OR RANGE (A) : 0.97945 REMARK 200 MONOCHROMATOR : SINGLE CRYSTAL SI(111) REMARK 200 OPTICS : MIRRORS REMARK 200 REMARK 200 DETECTOR TYPE : CCD REMARK 200 DETECTOR MANUFACTURER : ADSC QUANTUM 315 REMARK 200 INTENSITY-INTEGRATION SOFTWARE : HKL-2000 REMARK 200 DATA SCALING SOFTWARE : SCALEPACK REMARK 200 REMARK 200 NUMBER OF UNIQUE REFLECTIONS : 113750 REMARK 200 RESOLUTION RANGE HIGH (A) : 1.800 REMARK 200 RESOLUTION RANGE LOW (A) : 31.000 REMARK 200 REJECTION CRITERIA (SIGMA(I)) : 0.000 REMARK 200 REMARK 200 OVERALL. REMARK 200 COMPLETENESS FOR RANGE (%) : 94.1 REMARK 200 DATA REDUNDANCY : 3.300 REMARK 200 R MERGE (I) : NULL REMARK 200 R SYM (I) : 0.10100 REMARK 200 <I/SIGMA(I)> FOR THE DATA SET : 11.9000 REMARK 200 REMARK 200 IN THE HIGHEST RESOLUTION SHELL. REMARK 200 HIGHEST RESOLUTION SHELL, RANGE HIGH (A) : 1.80 REMARK 200 HIGHEST RESOLUTION SHELL, RANGE LOW (A) : 1.91 REMARK 200 COMPLETENESS FOR SHELL (%) : 92.1 REMARK 200 DATA REDUNDANCY IN SHELL : 3.20 REMARK 200 R MERGE FOR SHELL (I) : NULL REMARK 200 R SYM FOR SHELL (I) : 0.31200 REMARK 200 <I/SIGMA(I)> FOR SHELL : 4.600 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 (%): 51.90 REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 2.60 REMARK 280 REMARK 280 CRYSTALLIZATION CONDITIONS: PEG8000, 0.2 M IMIDAZOLE PH 7.2, REMARK 280 5MM DTT, VAPOR DIFFUSION, SITTING DROP, TEMPERATURE 295.0K

REMARK 290 REMARK 290 CRYSTALLOGRAPHIC SYMMETRY REMARK 290 SYMMETRY OPERATORS FOR SPACE GROUP: P 1 21 1 REMARK 290 REMARK 290 SYMOP SYMMETRY REMARK 290 NNNMMM OPERATOR REMARK 290 1555 X,Y,Z REMARK 290 2555 -X,Y+1/2,-Z REMARK 290 REMARK 290 WHERE NNN -> OPERATOR NUMBER REMARK 290 MMM -> TRANSLATION VECTOR REMARK 290 REMARK 290 CRYSTALLOGRAPHIC SYMMETRY TRANSFORMATIONS REMARK 290 THE FOLLOWING TRANSFORMATIONS OPERATE ON THE ATOM/HETATM REMARK 290 RECORDS IN THIS ENTRY TO PRODUCE CRYSTALLOGRAPHICALLY REMARK 290 RELATED MOLECULES. REMARK 290 SMTRY1 1 1.000000 0.000000 0.000000 0.00000 REMARK 290 SMTRY2 1 0.000000 1.000000 0.000000 0.00000 REMARK 290 SMTRY3 1 0.000000 0.000000 1.000000 0.00000 REMARK 290 SMTRY1 2 -1.000000 0.000000 0.000000 0.00000 REMARK 290 SMTRY2 2 0.000000 1.000000 0.000000 52.65000 REMARK 290 SMTRY3 2 0.000000 0.000000 -1.000000 0.00000 REMARK 290 REMARK 290 REMARK: NULL

REMARK 300 REMARK 300 BIOMOLECULE: 1 REMARK 300 SEE REMARK 350 FOR THE AUTHOR PROVIDED AND/OR PROGRAM REMARK 300 GENERATED ASSEMBLY INFORMATION FOR THE STRUCTURE IN REMARK 300 THIS ENTRY. THE REMARK MAY ALSO PROVIDE INFORMATION ON REMARK 300 BURIED SURFACE AREA. REMARK 300 REMARK: BIOLOGICAL DIMER

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 REMARK 350 TOTAL BURIED SURFACE AREA: 13900 ANGSTROM**2 REMARK 350 SURFACE AREA OF THE COMPLEX: 44460 ANGSTROM**2 REMARK 350 CHANGE IN SOLVENT FREE ENERGY: -79.0 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 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 480 REMARK 480 ZERO OCCUPANCY ATOM REMARK 480 THE FOLLOWING RESIDUES HAVE ATOMS MODELED WITH ZERO REMARK 480 OCCUPANCY. THE LOCATION AND PROPERTIES OF THESE ATOMS REMARK 480 MAY NOT BE RELIABLE. (M=MODEL NUMBER; RES=RESIDUE NAME; REMARK 480 C=CHAIN IDENTIFIER; SSEQ=SEQUENCE NUMBER; I=INSERTION CODE): REMARK 480 M RES C SSEQI ATOMS REMARK 480 LYS A 163 CB CG CD CE NZ REMARK 480 LYS B 163 CB CG CD CE NZ REMARK 480 GLU B 504 CB CG CD OE1 OE2 REMARK 480 ASP B 505 CB CG OD1 OD2 REMARK 480 LYS B 508 CB CG CD CE NZ REMARK 480 GLU B 515 CB CG CD OE1 OE2

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 ASN A 139 36.80 -90.35 REMARK 500 VAL A 202 -70.09 -120.24 REMARK 500 ASP A 503 -124.00 52.19 REMARK 500 GLU B 60 48.09 -72.08 REMARK 500 PRO B 114 -68.79 -28.08 REMARK 500 ASN B 139 40.82 -91.80 REMARK 500 ARG B 142 -39.05 -130.51 REMARK 500 VAL B 202 -70.86 -114.29 REMARK 500 LEU B 411 83.72 -151.23 REMARK 500 GLU B 502 -163.84 -114.29 REMARK 500 ASP B 503 -109.49 17.65 REMARK 500 ALA B 511 21.66 -71.47 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 A5001 K REMARK 620 N RES CSSEQI ATOM REMARK 620 1 SER A 431 OG REMARK 620 2 VAL A 426 O 157.4 REMARK 620 3 LEU A 590 O 92.8 83.5 REMARK 620 4 THR A 429 O 90.0 74.8 126.8 REMARK 620 N 1 2 3 REMARK 620 REMARK 620 COORDINATION ANGLES FOR: M RES CSSEQI METAL REMARK 620 K B5002 K REMARK 620 N RES CSSEQI ATOM REMARK 620 1 THR B 429 O REMARK 620 2 SER B 433 OG 90.4 REMARK 620 3 SER B 431 OG 90.0 118.8 REMARK 620 4 LEU B 590 O 129.4 131.7 90.8 REMARK 620 5 VAL B 426 O 76.3 79.1 157.9 85.0 REMARK 620 N 1 2 3 4

REMARK 800 REMARK 800 SITE REMARK 800 SITE_IDENTIFIER: AC1 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE K A 5001 REMARK 800 SITE_IDENTIFIER: AC2 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE K B 5002 REMARK 800 SITE_IDENTIFIER: AC3 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE 326 B 3001 REMARK 800 SITE_IDENTIFIER: AC4 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE 326 A 4001

REMARK 900 REMARK 900 RELATED ENTRIES REMARK 900 RELATED ID: 1G8M RELATED DB: PDB REMARK 900 CRYSTAL STRUCTURE OF AVIAN ATIC, A BIFUNCTIONAL REMARK 900 TRANSFORMYLASE AND CYCLOHYDROLASE ENZYME IN PURINE REMARK 900 BIOSYNTHESIS AT 1.75 ANG. RESOLUTION REMARK 900 RELATED ID: 1M9N RELATED DB: PDB REMARK 900 CRYSTAL STRUCTURE OF THE HOMODIMERIC BIFUNCTIONAL REMARK 900 TRANSFORMYLASE AND CYCLOHYDROLASE ENZYME AVIAN ATIC IN REMARK 900 COMPLEX WITH AICAR AND XMP AT 1.93 ANGSTROMS REMARK 900 RELATED ID: 1OZ0 RELATED DB: PDB REMARK 900 CRYSTAL STRUCTURE OF THE HOMODIMERIC BIFUNCTIONAL REMARK 900 TRANSFORMYLASE AND CYCLOHYDROLASE ENZYME AVIAN ATIC IN REMARK 900 COMPLEX WITH A MULTISUBSTRATE ADDUCT INHIBITOR BETA-DADF REMARK 900 RELATED ID: 1PKX RELATED DB: PDB REMARK 900 CRYSTAL STRUCTURE OF HUMAN ATIC IN COMPLEX WITH XMP REMARK 900 RELATED ID: 1P4R RELATED DB: PDB REMARK 900 CRYSTAL STRUCTURE OF HUMAN ATIC IN COMPLEX WITH POTENT REMARK 900 SULFONYL-CONTAINING ANTIFOLATE,BW1540U88UD REMARK 900 RELATED ID: 1PL0 RELATED DB: PDB REMARK 900 CRYSTAL STRUCTURE OF HUMAN ATIC IN COMPLEX WITH POTENT REMARK 900 SULFONYL-CONTAINING ANTIFOLATES, BW2315U89UC

DBREF 1THZ A 1 593 UNP P31335 PUR9_CHICK 1 593 DBREF 1THZ B 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

HET K A5001 1 HET K B5002 1 HET 326 B3001 33 HET 326 A4001 33

HETNAM K POTASSIUM ION HETNAM 326 2-{(E)-[5-HYDROXY-3-METHYL-1-(2-METHYL-4-SULFOPHENYL)- HETNAM 2 326 1H-PYRAZOL-4-YL]DIAZENYL}-4-SULFOBENZOIC ACID

HETSYN 326 2-[5-HYDROXY-3-METHYL-1-(2-METHYL-4-SULFO-PHENYL)-1H- HETSYN 2 326 PYRAZOL-4-YLAZO]-4-SULFO-BENZOIC ACID

FORMUL 3 K 2(K 1+) FORMUL 5 326 2(C18 H16 N4 O9 S2) FORMUL 7 HOH *748(H2 O)

HELIX 1 1 GLY A 17 LEU A 28 1 12 HELIX 2 2 SER A 35 ALA A 45 1 11 HELIX 3 3 VAL A 52 GLY A 57 1 6 HELIX 4 4 MET A 61 ARG A 65 5 5 HELIX 5 5 HIS A 70 ALA A 79 1 10 HELIX 6 6 ILE A 82 ASP A 93 1 12 HELIX 7 7 PRO A 106 SER A 113 1 8 HELIX 8 8 THR A 117 LYS A 124 1 8 HELIX 9 9 ILE A 127 ASN A 139 1 13 HELIX 10 10 ASP A 148 ALA A 150 5 3 HELIX 11 11 ASP A 151 SER A 162 1 12 HELIX 12 12 SER A 168 SER A 199 1 32 HELIX 13 13 GLY A 237 GLY A 259 1 23 HELIX 14 14 SER A 281 CYS A 288 1 8 HELIX 15 15 VAL A 290 LEU A 297 5 8 HELIX 16 16 THR A 298 ALA A 310 1 13 HELIX 17 17 ASP A 327 ARG A 336 1 10 HELIX 18 18 GLU A 348 LYS A 357 1 10 HELIX 19 19 LYS A 358 GLY A 362 5 5 HELIX 20 20 ASP A 397 LYS A 402 5 6 HELIX 21 21 PRO A 412 TYR A 428 1 17 HELIX 22 22 SER A 451 ARG A 469 1 19 HELIX 23 23 HIS A 471 SER A 476 1 6 HELIX 24 24 LYS A 484 THR A 497 1 14 HELIX 25 25 GLU A 502 ALA A 511 1 10 HELIX 26 26 THR A 521 ALA A 530 1 10 HELIX 27 27 ARG A 546 ARG A 554 1 9 HELIX 28 28 ALA A 568 LEU A 579 1 12 HELIX 29 29 GLY B 17 GLY B 29 1 13 HELIX 30 30 SER B 35 ASP B 44 1 10 HELIX 31 31 ASP B 51 GLY B 57 1 7 HELIX 32 32 MET B 61 ARG B 65 5 5 HELIX 33 33 HIS B 70 ALA B 79 1 10 HELIX 34 34 ILE B 82 ASP B 93 1 12 HELIX 35 35 PRO B 106 SER B 113 1 8 HELIX 36 36 THR B 117 LYS B 124 1 8 HELIX 37 37 ILE B 127 ASN B 139 1 13 HELIX 38 38 ASP B 148 ALA B 150 5 3 HELIX 39 39 ASP B 151 ALA B 161 1 11 HELIX 40 40 SER B 168 SER B 199 1 32 HELIX 41 41 GLY B 237 GLY B 259 1 23 HELIX 42 42 SER B 281 CYS B 288 1 8 HELIX 43 43 VAL B 290 LEU B 297 5 8 HELIX 44 44 THR B 298 ALA B 310 1 13 HELIX 45 45 ASP B 327 ARG B 336 1 10 HELIX 46 46 GLU B 348 LYS B 357 1 10 HELIX 47 47 ASP B 397 LYS B 402 5 6 HELIX 48 48 PRO B 412 TYR B 428 1 17 HELIX 49 49 SER B 451 ARG B 469 1 19 HELIX 50 50 HIS B 471 SER B 476 1 6 HELIX 51 51 LYS B 484 GLY B 498 1 15 HELIX 52 52 GLU B 502 ALA B 511 1 10 HELIX 53 53 THR B 521 ALA B 530 1 10 HELIX 54 54 ARG B 546 ARG B 554 1 9 HELIX 55 55 ALA B 568 GLY B 580 1 13

SHEET 1 A 5 ARG A 50 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 VAL A 12 1 N LEU A 10 O ILE A 33 SHEET 4 A 5 VAL A 97 ASN A 103 1 O VAL A 101 N LEU A 9 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 CYS A 364 MET A 368 -1 O VAL A 365 N VAL A 232 SHEET 3 C 6 SER A 339 ALA A 344 1 N ALA A 344 O MET A 368 SHEET 4 C 6 ASP A 318 LEU A 322 1 N ILE A 320 O GLY A 341 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 ILE A 445 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 GLN A 558 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 ARG B 50 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 VAL B 146 N VAL B 100 SHEET 1 H 6 LEU B 229 ASN B 233 0 SHEET 2 H 6 CYS B 364 MET B 368 -1 O GLN B 367 N THR B 230 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 ILE B 320 O GLY B 341 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 ILE B 445 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

LINK K K A5001 OG SER A 431 1555 1555 2.77 LINK K K A5001 O VAL A 426 1555 1555 2.99 LINK K K A5001 O LEU A 590 1555 1555 2.95 LINK K K A5001 O THR A 429 1555 1555 2.84 LINK K K B5002 O THR B 429 1555 1555 2.76 LINK K K B5002 OG SER B 433 1555 1555 3.21 LINK K K B5002 OG SER B 431 1555 1555 2.81 LINK K K B5002 O LEU B 590 1555 1555 2.96 LINK K K B5002 O VAL B 426 1555 1555 2.95

CISPEP 1 SER A 216 PRO A 217 0 0.59 CISPEP 2 SER A 431 ASN A 432 0 -1.02 CISPEP 3 SER B 216 PRO B 217 0 0.04 CISPEP 4 SER B 431 ASN B 432 0 -0.56

SITE 1 AC1 5 VAL A 426 THR A 429 SER A 431 ASP A 540 SITE 2 AC1 5 LEU A 590 SITE 1 AC2 5 VAL B 426 THR B 429 SER B 431 SER B 433 SITE 2 AC2 5 LEU B 590 SITE 1 AC3 13 SER A 451 ARG A 452 PHE A 542 PRO A 544 SITE 2 AC3 13 PHE A 545 LYS B 267 PHE B 316 LYS B 484 SITE 3 AC3 13 ALA B 486 GLU B 487 ASN B 490 HOH B5011 SITE 4 AC3 13 HOH B5311 SITE 1 AC4 13 LYS A 267 PHE A 316 VAL A 338 LYS A 484 SITE 2 AC4 13 ALA A 486 GLU A 487 ASN A 490 HOH A5190 SITE 3 AC4 13 HOH A5272 SER B 451 ARG B 452 PRO B 544 SITE 4 AC4 13 PHE B 545

CRYST1 64.800 105.300 102.400 90.00 108.10 90.00 P 1 21 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 0.015432 0.000000 0.005044 0.00000

SCALE2 0.000000 0.009497 0.000000 0.00000

SCALE3 0.000000 0.000000 0.010274 0.00000