2DZB - Header Asymmetric Unit

HEADER TRANSFERASE 27-SEP-06 2DZB

TITLE CRYSTAL STRUCTURE OF DIHYDROPTEROATE SYNTHASE FROM THERMUS TITLE 2 THERMOPHILUS HB8 IN COMPLEX WITH 6HMPPP

COMPND MOL_ID: 1; COMPND 2 MOLECULE: DIHYDROPTEROATE SYNTHASE; COMPND 3 CHAIN: A, B; COMPND 4 EC: 2.5.1.15; COMPND 5 ENGINEERED: YES

SOURCE MOL_ID: 1; SOURCE 2 ORGANISM_SCIENTIFIC: THERMUS THERMOPHILUS; SOURCE 3 ORGANISM_TAXID: 274; SOURCE 4 GENE: FOLP; SOURCE 5 EXPRESSION_SYSTEM: ESCHERICHIA COLI BL21(DE3); SOURCE 6 EXPRESSION_SYSTEM_TAXID: 469008; SOURCE 7 EXPRESSION_SYSTEM_STRAIN: BL21(DE3); SOURCE 8 EXPRESSION_SYSTEM_VECTOR_TYPE: PLASMID; SOURCE 9 EXPRESSION_SYSTEM_PLASMID: PET 11A

KEYWDS DIHYDROPTEROATE SYNTHASE, DIMER, X-RAY DIFFRACTION, 6HMPPP, KEYWDS 2 STRUCTURAL GENOMICS, NPPSFA, NATIONAL PROJECT ON PROTEIN KEYWDS 3 STRUCTURAL AND FUNCTIONAL ANALYSES, RIKEN STRUCTURAL KEYWDS 4 GENOMICS/PROTEOMICS INITIATIVE, RSGI, TRANSFERASE

EXPDTA X-RAY DIFFRACTION

AUTHOR B.BAGAUTDINOV,N.KUNISHIMA,RIKEN STRUCTURAL AUTHOR 2 GENOMICS/PROTEOMICS INITIATIVE (RSGI)

REVDAT 2 24-FEB-09 2DZB 1 VERSN REVDAT 1 27-MAR-07 2DZB 0

JRNL AUTH B.BAGAUTDINOV,N.KUNISHIMA JRNL TITL CRYSTAL STRUCTURE OF DIHYDROPTEROATE SYNTHASE JRNL TITL 2 (FOLP) FROM THERMUS THERMOPHILUS HB8 JRNL REF TO BE PUBLISHED JRNL REFN

REMARK 1

REMARK 2 REMARK 2 RESOLUTION. 1.90 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) : 1.90 REMARK 3 RESOLUTION RANGE LOW (ANGSTROMS) : 39.91 REMARK 3 DATA CUTOFF (SIGMA(F)) : 0.000 REMARK 3 DATA CUTOFF HIGH (ABS(F)) : NULL REMARK 3 DATA CUTOFF LOW (ABS(F)) : NULL REMARK 3 COMPLETENESS (WORKING+TEST) (%) : 95.3 REMARK 3 NUMBER OF REFLECTIONS : 46124 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) : 0.212 REMARK 3 FREE R VALUE : 0.239 REMARK 3 FREE R VALUE TEST SET SIZE (%) : NULL REMARK 3 FREE R VALUE TEST SET COUNT : 2291 REMARK 3 ESTIMATED ERROR OF FREE R VALUE : NULL REMARK 3 REMARK 3 FIT IN THE HIGHEST RESOLUTION BIN. REMARK 3 TOTAL NUMBER OF BINS USED : NULL REMARK 3 BIN RESOLUTION RANGE HIGH (A) : 1.90 REMARK 3 BIN RESOLUTION RANGE LOW (A) : 1.97 REMARK 3 BIN COMPLETENESS (WORKING+TEST) (%) : 88.60 REMARK 3 REFLECTIONS IN BIN (WORKING SET) : NULL REMARK 3 BIN R VALUE (WORKING SET) : 0.2860 REMARK 3 BIN FREE R VALUE : 0.3000 REMARK 3 BIN FREE R VALUE TEST SET SIZE (%) : NULL REMARK 3 BIN FREE R VALUE TEST SET COUNT : 192 REMARK 3 ESTIMATED ERROR OF BIN FREE R VALUE : 0.022 REMARK 3 REMARK 3 NUMBER OF NON-HYDROGEN ATOMS USED IN REFINEMENT. REMARK 3 PROTEIN ATOMS : 3841 REMARK 3 NUCLEIC ACID ATOMS : 0 REMARK 3 HETEROGEN ATOMS : 44 REMARK 3 SOLVENT ATOMS : 383 REMARK 3 REMARK 3 B VALUES. REMARK 3 FROM WILSON PLOT (A**2) : 33.65 REMARK 3 MEAN B VALUE (OVERALL, A**2) : 42.40 REMARK 3 OVERALL ANISOTROPIC B VALUE. REMARK 3 B11 (A**2) : 2.02000 REMARK 3 B22 (A**2) : 2.02000 REMARK 3 B33 (A**2) : -4.04000 REMARK 3 B12 (A**2) : 1.84000 REMARK 3 B13 (A**2) : 0.00000 REMARK 3 B23 (A**2) : 0.00000 REMARK 3 REMARK 3 ESTIMATED COORDINATE ERROR. REMARK 3 ESD FROM LUZZATI PLOT (A) : 0.23 REMARK 3 ESD FROM SIGMAA (A) : 0.20 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) : 0.27 REMARK 3 ESD FROM C-V SIGMAA (A) : 0.21 REMARK 3 REMARK 3 RMS DEVIATIONS FROM IDEAL VALUES. REMARK 3 BOND LENGTHS (A) : 0.007 REMARK 3 BOND ANGLES (DEGREES) : 1.30 REMARK 3 DIHEDRAL ANGLES (DEGREES) : 22.40 REMARK 3 IMPROPER ANGLES (DEGREES) : 0.84 REMARK 3 REMARK 3 ISOTROPIC THERMAL MODEL : OVERALL 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 : NULL REMARK 3 KSOL : NULL REMARK 3 BSOL : NULL REMARK 3 REMARK 3 NCS MODEL : NULL REMARK 3 REMARK 3 NCS RESTRAINTS. RMS SIGMA/WEIGHT REMARK 3 GROUP 1 POSITIONAL (A) : NULL ; NULL REMARK 3 GROUP 1 B-FACTOR (A**2) : NULL ; NULL REMARK 3 REMARK 3 PARAMETER FILE 1 : NULL REMARK 3 TOPOLOGY FILE 1 : NULL REMARK 3 REMARK 3 OTHER REFINEMENT REMARKS: NULL

REMARK 4 REMARK 4 2DZB COMPLIES WITH FORMAT V. 3.15, 01-DEC-08

REMARK 100 REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY PDBJ ON 03-OCT-06. REMARK 100 THE RCSB ID CODE IS RCSB026029.

REMARK 200 REMARK 200 EXPERIMENTAL DETAILS REMARK 200 EXPERIMENT TYPE : X-RAY DIFFRACTION REMARK 200 DATE OF DATA COLLECTION : 05-JUN-06 REMARK 200 TEMPERATURE (KELVIN) : 100 REMARK 200 PH : 5.8 REMARK 200 NUMBER OF CRYSTALS USED : 1 REMARK 200 REMARK 200 SYNCHROTRON (Y/N) : Y REMARK 200 RADIATION SOURCE : SPRING-8 REMARK 200 BEAMLINE : BL26B1 REMARK 200 X-RAY GENERATOR MODEL : NULL REMARK 200 MONOCHROMATIC OR LAUE (M/L) : M REMARK 200 WAVELENGTH OR RANGE (A) : 1.0 REMARK 200 MONOCHROMATOR : GRAPHITE REMARK 200 OPTICS : MIRRORS REMARK 200 REMARK 200 DETECTOR TYPE : CCD REMARK 200 DETECTOR MANUFACTURER : MARRESEARCH REMARK 200 INTENSITY-INTEGRATION SOFTWARE : HKL-2000 REMARK 200 DATA SCALING SOFTWARE : SCALEPACK REMARK 200 REMARK 200 NUMBER OF UNIQUE REFLECTIONS : 46124 REMARK 200 RESOLUTION RANGE HIGH (A) : 1.900 REMARK 200 RESOLUTION RANGE LOW (A) : 40.000 REMARK 200 REJECTION CRITERIA (SIGMA(I)) : 0.000 REMARK 200 REMARK 200 OVERALL. REMARK 200 COMPLETENESS FOR RANGE (%) : 95.5 REMARK 200 DATA REDUNDANCY : 7.700 REMARK 200 R MERGE (I) : 0.05000 REMARK 200 R SYM (I) : 0.04600 REMARK 200 <I/SIGMA(I)> FOR THE DATA SET : 15.7000 REMARK 200 REMARK 200 IN THE HIGHEST RESOLUTION SHELL. REMARK 200 HIGHEST RESOLUTION SHELL, RANGE HIGH (A) : 1.90 REMARK 200 HIGHEST RESOLUTION SHELL, RANGE LOW (A) : 1.97 REMARK 200 COMPLETENESS FOR SHELL (%) : 92.3 REMARK 200 DATA REDUNDANCY IN SHELL : 6.40 REMARK 200 R MERGE FOR SHELL (I) : 0.43600 REMARK 200 R SYM FOR SHELL (I) : 0.43100 REMARK 200 <I/SIGMA(I)> FOR SHELL : 2.820 REMARK 200 REMARK 200 DIFFRACTION PROTOCOL: SINGLE WAVELENGTH REMARK 200 METHOD USED TO DETERMINE THE STRUCTURE: FOURIER SYNTHESIS REMARK 200 SOFTWARE USED: CNS REMARK 200 STARTING MODEL: PDB ENTRY 2DQW REMARK 200 REMARK 200 REMARK: NULL

REMARK 280 REMARK 280 CRYSTAL REMARK 280 SOLVENT CONTENT, VS (%): 49.56 REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 2.44 REMARK 280 REMARK 280 CRYSTALLIZATION CONDITIONS: PEG 20K, MES, NAOH, 6HMPPP, PH 5.8, REMARK 280 MICROBATCH, TEMPERATURE 295K

REMARK 290 REMARK 290 CRYSTALLOGRAPHIC SYMMETRY REMARK 290 SYMMETRY OPERATORS FOR SPACE GROUP: P 65 REMARK 290 REMARK 290 SYMOP SYMMETRY REMARK 290 NNNMMM OPERATOR REMARK 290 1555 X,Y,Z REMARK 290 2555 -Y,X-Y,Z+2/3 REMARK 290 3555 -X+Y,-X,Z+1/3 REMARK 290 4555 -X,-Y,Z+1/2 REMARK 290 5555 Y,-X+Y,Z+1/6 REMARK 290 6555 X-Y,X,Z+5/6 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 58.51067 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 29.25533 REMARK 290 SMTRY1 4 -1.000000 0.000000 0.000000 0.00000 REMARK 290 SMTRY2 4 0.000000 -1.000000 0.000000 0.00000 REMARK 290 SMTRY3 4 0.000000 0.000000 1.000000 43.88300 REMARK 290 SMTRY1 5 0.500000 0.866025 0.000000 0.00000 REMARK 290 SMTRY2 5 -0.866025 0.500000 0.000000 0.00000 REMARK 290 SMTRY3 5 0.000000 0.000000 1.000000 14.62767 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 73.13833 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: THE BIOLOGICAL UNIT IS A DIMER AND PROBABLY IDENTICAL TO REMARK 300 THE ASYMMETRIC UNIT

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: 3600 ANGSTROM**2 REMARK 350 SURFACE AREA OF THE COMPLEX: 19810 ANGSTROM**2 REMARK 350 CHANGE IN SOLVENT FREE ENERGY: -25.0 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 GLY A 2 REMARK 465 ALA A 3 REMARK 465 PRO A 4 REMARK 465 PRO A 5 REMARK 465 LEU A 6 REMARK 465 GLY A 7 REMARK 465 PRO A 8 REMARK 465 THR A 9 REMARK 465 ILE A 10 REMARK 465 ILE A 11 REMARK 465 PRO A 12 REMARK 465 PRO A 13 REMARK 465 ASP A 40 REMARK 465 SER A 41 REMARK 465 PHE A 42 REMARK 465 SER A 43 REMARK 465 ASP A 44 REMARK 465 GLY A 45 REMARK 465 GLY A 46 REMARK 465 ARG A 47 REMARK 465 TYR A 48 REMARK 465 LEU A 49 REMARK 465 ASP A 50 REMARK 465 PRO A 51 REMARK 465 GLU A 52 REMARK 465 THR A 76 REMARK 465 ARG A 77 REMARK 465 PRO A 78 REMARK 465 GLY A 79 REMARK 465 ALA A 80 REMARK 465 ALA A 81 REMARK 465 PRO A 82 REMARK 465 VAL A 83 REMARK 465 PRO A 84 REMARK 465 VAL A 85 REMARK 465 GLY A 288 REMARK 465 ASP A 289 REMARK 465 ARG A 290 REMARK 465 PRO A 291 REMARK 465 SER A 292 REMARK 465 ARG A 293 REMARK 465 ALA A 294 REMARK 465 MET B 1 REMARK 465 GLY B 2 REMARK 465 ALA B 3 REMARK 465 PRO B 4 REMARK 465 PRO B 5 REMARK 465 LEU B 6 REMARK 465 GLY B 7 REMARK 465 PRO B 8 REMARK 465 THR B 9 REMARK 465 ILE B 10 REMARK 465 ILE B 11 REMARK 465 PRO B 12 REMARK 465 PRO B 13 REMARK 465 VAL B 14 REMARK 465 SER B 41 REMARK 465 PHE B 42 REMARK 465 SER B 43 REMARK 465 ASP B 44 REMARK 465 GLY B 45 REMARK 465 GLY B 46 REMARK 465 ARG B 47 REMARK 465 TYR B 48 REMARK 465 LEU B 49 REMARK 465 ASP B 50 REMARK 465 ARG B 77 REMARK 465 PRO B 78 REMARK 465 GLY B 79 REMARK 465 ALA B 80 REMARK 465 ALA B 81 REMARK 465 PRO B 82 REMARK 465 VAL B 83 REMARK 465 VAL B 156 REMARK 465 PRO B 157 REMARK 465 ASP B 158 REMARK 465 PRO B 159 REMARK 465 ALA B 160 REMARK 465 THR B 161 REMARK 465 MET B 162 REMARK 465 MET B 163 REMARK 465 GLY B 287 REMARK 465 GLY B 288 REMARK 465 ASP B 289 REMARK 465 ARG B 290 REMARK 465 PRO B 291 REMARK 465 SER B 292 REMARK 465 ARG B 293 REMARK 465 ALA B 294

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 ARG A 20 -51.38 62.04 REMARK 500 LEU A 37 41.00 -109.34 REMARK 500 ALA A 54 1.03 -69.34 REMARK 500 ALA A 166 70.97 -104.25 REMARK 500 ARG A 232 -1.45 74.31 REMARK 500 ARG B 20 -58.57 68.01 REMARK 500 GLU B 88 48.41 -74.25 REMARK 500 HIS B 165 106.99 -58.73 REMARK 500 REMARK 500 REMARK: NULL

REMARK 525 REMARK 525 SOLVENT REMARK 525 REMARK 525 THE SOLVENT MOLECULES HAVE CHAIN IDENTIFIERS THAT REMARK 525 INDICATE THE POLYMER CHAIN WITH WHICH THEY ARE MOST REMARK 525 CLOSELY ASSOCIATED. THE REMARK LISTS ALL THE SOLVENT REMARK 525 MOLECULES WHICH ARE MORE THAN 5A AWAY FROM THE REMARK 525 NEAREST POLYMER CHAIN (M = MODEL NUMBER; REMARK 525 RES=RESIDUE NAME; C=CHAIN IDENTIFIER; SSEQ=SEQUENCE REMARK 525 NUMBER; I=INSERTION CODE): REMARK 525 REMARK 525 M RES CSSEQI REMARK 525 HOH B1404 DISTANCE = 5.58 ANGSTROMS REMARK 525 HOH A1415 DISTANCE = 5.13 ANGSTROMS REMARK 525 HOH A1423 DISTANCE = 5.56 ANGSTROMS REMARK 525 HOH A1430 DISTANCE = 6.02 ANGSTROMS REMARK 525 HOH A1437 DISTANCE = 6.63 ANGSTROMS REMARK 525 HOH A1453 DISTANCE = 6.72 ANGSTROMS REMARK 525 HOH B1457 DISTANCE = 5.26 ANGSTROMS REMARK 525 HOH B1459 DISTANCE = 7.72 ANGSTROMS

REMARK 800 REMARK 800 SITE REMARK 800 SITE_IDENTIFIER: AC1 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE HH2 A 1301 REMARK 800 SITE_IDENTIFIER: AC2 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE HH2 B 1302

REMARK 900 REMARK 900 RELATED ENTRIES REMARK 900 RELATED ID: 2DQW RELATED DB: PDB REMARK 900 THE SAME UNLIGANDED PROTEIN REMARK 900 RELATED ID: 2DZA RELATED DB: PDB REMARK 900 THE SAME PROTEIN LIGANDED WITH 4-AMINOBENZOATE REMARK 900 RELATED ID: TTK003000191.3 RELATED DB: TARGETDB

DBREF 2DZB A 1 294 UNP Q5SLV2 Q5SLV2_THET8 1 294 DBREF 2DZB B 1 294 UNP Q5SLV2 Q5SLV2_THET8 1 294

SEQRES 1 A 294 MET GLY ALA PRO PRO LEU GLY PRO THR ILE ILE PRO PRO SEQRES 2 A 294 VAL ARG THR LEU TRP LEU ARG ASP ARG ALA LEU ASP LEU SEQRES 3 A 294 ASP ARG VAL ARG LEU LEU GLY VAL LEU ASN LEU THR PRO SEQRES 4 A 294 ASP SER PHE SER ASP GLY GLY ARG TYR LEU ASP PRO GLU SEQRES 5 A 294 ARG ALA LEU GLU ARG ALA ARG GLU MET VAL ALA GLU GLY SEQRES 6 A 294 ALA ASP ILE LEU ASP LEU GLY ALA GLU SER THR ARG PRO SEQRES 7 A 294 GLY ALA ALA PRO VAL PRO VAL GLU GLU GLU LYS ARG ARG SEQRES 8 A 294 LEU LEU PRO VAL LEU GLU ALA VAL LEU SER LEU GLY VAL SEQRES 9 A 294 PRO VAL SER VAL ASP THR ARG LYS PRO GLU VAL ALA GLU SEQRES 10 A 294 GLU ALA LEU LYS LEU GLY ALA HIS LEU LEU ASN ASP VAL SEQRES 11 A 294 THR GLY LEU ARG ASP GLU ARG MET VAL ALA LEU ALA ALA SEQRES 12 A 294 ARG HIS GLY VAL ALA ALA VAL VAL MET HIS MET PRO VAL SEQRES 13 A 294 PRO ASP PRO ALA THR MET MET ALA HIS ALA ARG TYR ARG SEQRES 14 A 294 ASP VAL VAL ALA GLU VAL LYS ALA PHE LEU GLU ALA GLN SEQRES 15 A 294 ALA ARG ARG ALA LEU SER ALA GLY VAL PRO GLN VAL VAL SEQRES 16 A 294 LEU ASP PRO GLY PHE GLY PHE GLY LYS LEU LEU GLU HIS SEQRES 17 A 294 ASN LEU ALA LEU LEU ARG ARG LEU ASP GLU ILE VAL ALA SEQRES 18 A 294 LEU GLY HIS PRO VAL LEU VAL GLY LEU SER ARG LYS ARG SEQRES 19 A 294 THR ILE GLY GLU LEU SER GLY VAL GLU ASP PRO ALA GLN SEQRES 20 A 294 ARG VAL HIS GLY SER VAL ALA ALA HIS LEU PHE ALA VAL SEQRES 21 A 294 MET LYS GLY VAL ARG LEU LEU ARG VAL HIS ASP VAL ARG SEQRES 22 A 294 ALA HIS ARG GLU ALA LEU GLY VAL TRP GLU ALA LEU TYR SEQRES 23 A 294 GLY GLY ASP ARG PRO SER ARG ALA SEQRES 1 B 294 MET GLY ALA PRO PRO LEU GLY PRO THR ILE ILE PRO PRO SEQRES 2 B 294 VAL ARG THR LEU TRP LEU ARG ASP ARG ALA LEU ASP LEU SEQRES 3 B 294 ASP ARG VAL ARG LEU LEU GLY VAL LEU ASN LEU THR PRO SEQRES 4 B 294 ASP SER PHE SER ASP GLY GLY ARG TYR LEU ASP PRO GLU SEQRES 5 B 294 ARG ALA LEU GLU ARG ALA ARG GLU MET VAL ALA GLU GLY SEQRES 6 B 294 ALA ASP ILE LEU ASP LEU GLY ALA GLU SER THR ARG PRO SEQRES 7 B 294 GLY ALA ALA PRO VAL PRO VAL GLU GLU GLU LYS ARG ARG SEQRES 8 B 294 LEU LEU PRO VAL LEU GLU ALA VAL LEU SER LEU GLY VAL SEQRES 9 B 294 PRO VAL SER VAL ASP THR ARG LYS PRO GLU VAL ALA GLU SEQRES 10 B 294 GLU ALA LEU LYS LEU GLY ALA HIS LEU LEU ASN ASP VAL SEQRES 11 B 294 THR GLY LEU ARG ASP GLU ARG MET VAL ALA LEU ALA ALA SEQRES 12 B 294 ARG HIS GLY VAL ALA ALA VAL VAL MET HIS MET PRO VAL SEQRES 13 B 294 PRO ASP PRO ALA THR MET MET ALA HIS ALA ARG TYR ARG SEQRES 14 B 294 ASP VAL VAL ALA GLU VAL LYS ALA PHE LEU GLU ALA GLN SEQRES 15 B 294 ALA ARG ARG ALA LEU SER ALA GLY VAL PRO GLN VAL VAL SEQRES 16 B 294 LEU ASP PRO GLY PHE GLY PHE GLY LYS LEU LEU GLU HIS SEQRES 17 B 294 ASN LEU ALA LEU LEU ARG ARG LEU ASP GLU ILE VAL ALA SEQRES 18 B 294 LEU GLY HIS PRO VAL LEU VAL GLY LEU SER ARG LYS ARG SEQRES 19 B 294 THR ILE GLY GLU LEU SER GLY VAL GLU ASP PRO ALA GLN SEQRES 20 B 294 ARG VAL HIS GLY SER VAL ALA ALA HIS LEU PHE ALA VAL SEQRES 21 B 294 MET LYS GLY VAL ARG LEU LEU ARG VAL HIS ASP VAL ARG SEQRES 22 B 294 ALA HIS ARG GLU ALA LEU GLY VAL TRP GLU ALA LEU TYR SEQRES 23 B 294 GLY GLY ASP ARG PRO SER ARG ALA

HET HH2 A1301 22 HET HH2 B1302 22

HETNAM HH2 6-HYDROXYMETHYLPTERIN-DIPHOSPHATE

HETSYN HH2 [PTERIN-6-YL METHANYL]-PHOSPHONOPHOSPHATE

FORMUL 3 HH2 2(C7 H9 N5 O8 P2) FORMUL 5 HOH *383(H2 O)

HELIX 1 1 ALA A 54 GLY A 65 1 12 HELIX 2 2 GLU A 86 SER A 101 1 16 HELIX 3 3 LYS A 112 GLY A 123 1 12 HELIX 4 4 ASP A 135 GLY A 146 1 12 HELIX 5 5 THR A 161 ALA A 166 5 6 HELIX 6 6 ASP A 170 ALA A 189 1 20 HELIX 7 7 LEU A 205 ARG A 215 1 11 HELIX 8 8 ARG A 215 ALA A 221 1 7 HELIX 9 9 LYS A 233 GLY A 241 1 9 HELIX 10 10 ASP A 244 GLN A 247 5 4 HELIX 11 11 ARG A 248 LYS A 262 1 15 HELIX 12 12 ASP A 271 TYR A 286 1 16 HELIX 13 13 GLU B 52 GLU B 64 1 13 HELIX 14 14 LEU B 92 SER B 101 1 10 HELIX 15 15 LYS B 112 GLY B 123 1 12 HELIX 16 16 ASP B 135 HIS B 145 1 11 HELIX 17 17 ASP B 170 ALA B 189 1 20 HELIX 18 18 LEU B 205 ARG B 215 1 11 HELIX 19 19 ARG B 215 ALA B 221 1 7 HELIX 20 20 LYS B 233 GLY B 241 1 9 HELIX 21 21 ASP B 244 GLN B 247 5 4 HELIX 22 22 ARG B 248 LYS B 262 1 15 HELIX 23 23 ASP B 271 TYR B 286 1 16

SHEET 1 A 2 THR A 16 TRP A 18 0 SHEET 2 A 2 ALA A 23 ASP A 25 -1 O LEU A 24 N LEU A 17 SHEET 1 B 8 VAL A 194 ASP A 197 0 SHEET 2 B 8 ALA A 148 MET A 152 1 N VAL A 151 O VAL A 195 SHEET 3 B 8 LEU A 126 ASP A 129 1 N LEU A 127 O VAL A 150 SHEET 4 B 8 VAL A 106 ASP A 109 1 N VAL A 108 O LEU A 126 SHEET 5 B 8 ILE A 68 GLY A 72 1 N LEU A 71 O ASP A 109 SHEET 6 B 8 ARG A 30 ASN A 36 1 N LEU A 35 O ASP A 70 SHEET 7 B 8 LEU A 266 VAL A 269 1 O LEU A 267 N LEU A 32 SHEET 8 B 8 LEU A 227 VAL A 228 1 N VAL A 228 O ARG A 268 SHEET 1 C 2 THR B 16 TRP B 18 0 SHEET 2 C 2 ALA B 23 ASP B 25 -1 O LEU B 24 N LEU B 17 SHEET 1 D 8 VAL B 194 ASP B 197 0 SHEET 2 D 8 ALA B 148 MET B 152 1 N VAL B 151 O VAL B 195 SHEET 3 D 8 LEU B 126 ASP B 129 1 N LEU B 127 O VAL B 150 SHEET 4 D 8 VAL B 106 ASP B 109 1 N VAL B 108 O LEU B 126 SHEET 5 D 8 ILE B 68 GLY B 72 1 N LEU B 69 O SER B 107 SHEET 6 D 8 ARG B 30 ASN B 36 1 N GLY B 33 O ILE B 68 SHEET 7 D 8 LEU B 266 VAL B 269 1 O LEU B 267 N LEU B 32 SHEET 8 D 8 LEU B 227 VAL B 228 1 N VAL B 228 O ARG B 268

SITE 1 AC1 15 VAL A 34 ASN A 36 ASP A 109 ASN A 128 SITE 2 AC1 15 MET A 152 ASP A 197 PHE A 202 LEU A 227 SITE 3 AC1 15 GLY A 229 LYS A 233 ARG A 268 HIS A 270 SITE 4 AC1 15 HOH A1309 HOH A1351 HOH A1358 SITE 1 AC2 17 VAL B 34 ASN B 36 THR B 76 ASP B 109 SITE 2 AC2 17 ASN B 128 VAL B 150 MET B 152 ASP B 197 SITE 3 AC2 17 PHE B 202 LEU B 227 GLY B 229 LYS B 233 SITE 4 AC2 17 ARG B 268 HIS B 270 HOH B1304 HOH B1331 SITE 5 AC2 17 HOH B1451

CRYST1 110.852 110.852 87.766 90.00 90.00 120.00 P 65 12

ORIGX1 1.000000 0.000000 0.000000 0.00000

ORIGX2 0.000000 1.000000 0.000000 0.00000

ORIGX3 0.000000 0.000000 1.000000 0.00000

SCALE1 0.009021 0.005208 0.000000 0.00000

SCALE2 0.000000 0.010417 0.000000 0.00000

SCALE3 0.000000 0.000000 0.011394 0.00000