HEADER TRANSFERASE 18-APR-09 3H4A OBSLTE 27-OCT-09 3H4A 3IP0 TITLE CRYSTAL STRUCTURE OF E. COLI HPPK COMPLEXED WITH MGAMPCPP TITLE 2 AND OXIDATION PRODUCTS OF 6-HYDROXYMETHYL-7,8-DIHYDROPTERIN COMPND MOL_ID: 1; COMPND 2 MOLECULE: 2-AMINO-4-HYDROXY-6-HYDROXYMETHYLDIHYDROPTERIDINE COMPND 3 PYROPHOSPHOKINASE; COMPND 4 CHAIN: A; COMPND 5 SYNONYM: 7,8-DIHYDRO-6-HYDROXYMETHYLPTERIN- COMPND 6 PYROPHOSPHOKINASE, HPPK, 6-HYDROXYMETHYL-7,8-DIHYDROPTERIN COMPND 7 PYROPHOSPHOKINASE, PPPK; COMPND 8 EC: 2.7.6.3; COMPND 9 ENGINEERED: YES SOURCE MOL_ID: 1; SOURCE 2 ORGANISM_SCIENTIFIC: ESCHERICHIA COLI K-12; SOURCE 3 ORGANISM_TAXID: 83333; SOURCE 4 GENE: B0142, FOIK, FOLK, JW0138; SOURCE 5 EXPRESSION_SYSTEM: ESCHERICHIA COLI; SOURCE 6 EXPRESSION_SYSTEM_TAXID: 562; SOURCE 7 EXPRESSION_SYSTEM_STRAIN: BL21(DE3); SOURCE 8 EXPRESSION_SYSTEM_VECTOR_TYPE: PLASMID; SOURCE 9 EXPRESSION_SYSTEM_PLASMID: PET17B KEYWDS ALPHA BETA, FOLATE BIOSYNTHESIS, KINASE, TRANSFERASE EXPDTA X-RAY DIFFRACTION AUTHOR J.BLASZCZYK,X.JI REVDAT 2 27-OCT-09 3H4A 1 OBSLTE REVDAT 1 28-APR-09 3H4A 0 SPRSDE 28-APR-09 3H4A 1F9Y JRNL AUTH J.BLASZCZYK,Y.LI,G.SHI,H.YAN,X.JI JRNL TITL DYNAMIC ROLES OF ARGININE RESIDUES 82 AND 92 OF JRNL TITL 2 ESCHERICHIA COLI 6-HYDROXYMETHYL-7,8-DIHYDROPTERIN JRNL TITL 3 PYROPHOSPHOKINASE: CRYSTALLOGRAPHIC STUDIES. JRNL REF BIOCHEMISTRY V. 42 1573 2003 JRNL REFN ISSN 0006-2960 JRNL PMID 12578370 JRNL DOI 10.1021/BI0267994 REMARK 1 REMARK 1 REFERENCE 1 REMARK 1 AUTH J.BLASZCZYK,G.SHI,H.YAN,X.JI REMARK 1 TITL CATALYTIC CENTER ASSEMBLY OF HPPK AS REVEALED BY REMARK 1 TITL 2 THE CRYSTAL STRUCTURE OF A TERNARY COMPLEX AT 1.25 REMARK 1 TITL 3 A RESOLUTION. REMARK 1 REF STRUCTURE V. 8 1049 2000 REMARK 1 REFN ISSN 0969-2126 REMARK 1 PMID 11080626 REMARK 2 REMARK 2 RESOLUTION. 0.90 ANGSTROMS. REMARK 3 REMARK 3 REFINEMENT. REMARK 3 PROGRAM : PHENIX (PHENIX.REFINE) REMARK 3 AUTHORS : PAUL ADAMS,PAVEL AFONINE,VICENT CHEN,IAN REMARK 3 : DAVIS,KRESHNA GOPAL,RALF GROSSE- REMARK 3 : KUNSTLEVE,LI-WEI HUNG,ROBERT IMMORMINO, REMARK 3 : TOM IOERGER,AIRLIE MCCOY,ERIK MCKEE,NIGEL REMARK 3 : MORIARTY,REETAL PAI,RANDY READ,JANE REMARK 3 : RICHARDSON,DAVID RICHARDSON,TOD ROMO,JIM REMARK 3 : SACCHETTINI,NICHOLAS SAUTER,JACOB SMITH, REMARK 3 : LAURENT STORONI,TOM TERWILLIGER,PETER REMARK 3 : ZWART REMARK 3 REMARK 3 REFINEMENT TARGET : ML REMARK 3 REMARK 3 DATA USED IN REFINEMENT. REMARK 3 RESOLUTION RANGE HIGH (ANGSTROMS) : 0.90 REMARK 3 RESOLUTION RANGE LOW (ANGSTROMS) : 23.20 REMARK 3 MIN(FOBS/SIGMA_FOBS) : 0.070 REMARK 3 COMPLETENESS FOR RANGE (%) : 90.3 REMARK 3 NUMBER OF REFLECTIONS : 94609 REMARK 3 REMARK 3 FIT TO DATA USED IN REFINEMENT. REMARK 3 R VALUE (WORKING + TEST SET) : 0.124 REMARK 3 R VALUE (WORKING SET) : 0.124 REMARK 3 FREE R VALUE : 0.126 REMARK 3 FREE R VALUE TEST SET SIZE (%) : 0.980 REMARK 3 FREE R VALUE TEST SET COUNT : 930 REMARK 3 REMARK 3 FIT TO DATA USED IN REFINEMENT (IN BINS). REMARK 3 BIN RESOLUTION RANGE COMPL. NWORK NFREE RWORK RFREE REMARK 3 1 23.2100 - 1.7210 0.99 14884 148 0.1240 0.1190 REMARK 3 2 1.7210 - 1.3660 0.97 14447 147 0.1070 0.1100 REMARK 3 3 1.3660 - 1.1940 0.95 14081 140 0.1060 0.1100 REMARK 3 4 1.1940 - 1.0850 0.92 13642 136 0.1100 0.1240 REMARK 3 5 1.0850 - 1.0070 0.89 13103 127 0.1270 0.1400 REMARK 3 6 1.0070 - 0.9470 0.85 12537 128 0.1570 0.1690 REMARK 3 7 0.9470 - 0.9000 0.75 10985 104 0.2200 0.2350 REMARK 3 REMARK 3 BULK SOLVENT MODELLING. REMARK 3 METHOD USED : FLAT BULK SOLVENT MODEL REMARK 3 SOLVENT RADIUS : 1.11 REMARK 3 SHRINKAGE RADIUS : 0.90 REMARK 3 K_SOL : 0.44 REMARK 3 B_SOL : 79.89 REMARK 3 REMARK 3 ERROR ESTIMATES. REMARK 3 COORDINATE ERROR (MAXIMUM-LIKELIHOOD BASED) : 0.070 REMARK 3 PHASE ERROR (DEGREES, MAXIMUM-LIKELIHOOD BASED) : NULL REMARK 3 REMARK 3 B VALUES. REMARK 3 FROM WILSON PLOT (A**2) : 7.31 REMARK 3 MEAN B VALUE (OVERALL, A**2) : 13.13 REMARK 3 OVERALL ANISOTROPIC B VALUE. REMARK 3 B11 (A**2) : -0.25300 REMARK 3 B22 (A**2) : 0.10800 REMARK 3 B33 (A**2) : -0.73200 REMARK 3 B12 (A**2) : -0.00000 REMARK 3 B13 (A**2) : 1.09600 REMARK 3 B23 (A**2) : 0.00000 REMARK 3 REMARK 3 TWINNING INFORMATION. REMARK 3 FRACTION: NULL REMARK 3 OPERATOR: NULL REMARK 3 REMARK 3 DEVIATIONS FROM IDEAL VALUES. REMARK 3 RMSD COUNT REMARK 3 BOND : 0.007 3034 REMARK 3 ANGLE : 1.029 5538 REMARK 3 CHIRALITY : 0.079 229 REMARK 3 PLANARITY : 0.009 480 REMARK 3 DIHEDRAL : 13.442 811 REMARK 3 REMARK 3 TLS DETAILS REMARK 3 NUMBER OF TLS GROUPS : NULL REMARK 3 REMARK 3 NCS DETAILS REMARK 3 NUMBER OF NCS GROUPS : NULL REMARK 3 REMARK 3 OTHER REFINEMENT REMARKS: A TOTAL OF 41 ROUNDS OF REFINEMENT REMARK 3 WERE CARRIED OUT, INCLUDING 5 ROUNDS WITH CNS, 21 ROUNDS WITH REMARK 3 SHELX-97, AND 15 ROUNDS WITH PHENIX (PHENIX.REFINE). REMARK 4 REMARK 4 3H4A COMPLIES WITH FORMAT V. 3.20, 01-DEC-08 REMARK 100 REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY RCSB ON 20-APR-09. REMARK 100 THE RCSB ID CODE IS RCSB052673. REMARK 200 REMARK 200 EXPERIMENTAL DETAILS REMARK 200 EXPERIMENT TYPE : X-RAY DIFFRACTION REMARK 200 DATE OF DATA COLLECTION : 18-OCT-99 REMARK 200 TEMPERATURE (KELVIN) : 100 REMARK 200 PH : 4.6 REMARK 200 NUMBER OF CRYSTALS USED : 1 REMARK 200 REMARK 200 SYNCHROTRON (Y/N) : Y REMARK 200 RADIATION SOURCE : NSLS REMARK 200 BEAMLINE : X9B REMARK 200 X-RAY GENERATOR MODEL : NULL REMARK 200 MONOCHROMATIC OR LAUE (M/L) : M REMARK 200 WAVELENGTH OR RANGE (A) : 1.00928 REMARK 200 MONOCHROMATOR : SILICON 111 REMARK 200 OPTICS : MIRRORS REMARK 200 REMARK 200 DETECTOR TYPE : CCD REMARK 200 DETECTOR MANUFACTURER : ADSC QUANTUM 4 REMARK 200 INTENSITY-INTEGRATION SOFTWARE : HKL-2000 REMARK 200 DATA SCALING SOFTWARE : HKL-2000 REMARK 200 REMARK 200 NUMBER OF UNIQUE REFLECTIONS : 100866 REMARK 200 RESOLUTION RANGE HIGH (A) : 0.890 REMARK 200 RESOLUTION RANGE LOW (A) : 40.000 REMARK 200 REJECTION CRITERIA (SIGMA(I)) : -3.000 REMARK 200 REMARK 200 OVERALL. REMARK 200 COMPLETENESS FOR RANGE (%) : 93.1 REMARK 200 DATA REDUNDANCY : 4.500 REMARK 200 R MERGE (I) : 0.04300 REMARK 200 R SYM (I) : NULL REMARK 200 <I/SIGMA(I)> FOR THE DATA SET : 31.0250 REMARK 200 REMARK 200 IN THE HIGHEST RESOLUTION SHELL. REMARK 200 HIGHEST RESOLUTION SHELL, RANGE HIGH (A) : 0.89 REMARK 200 HIGHEST RESOLUTION SHELL, RANGE LOW (A) : 0.92 REMARK 200 COMPLETENESS FOR SHELL (%) : 75.6 REMARK 200 DATA REDUNDANCY IN SHELL : 2.70 REMARK 200 R MERGE FOR SHELL (I) : 0.58100 REMARK 200 R SYM FOR SHELL (I) : NULL REMARK 200 <I/SIGMA(I)> FOR SHELL : 1.700 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 1Q0N REMARK 200 REMARK 200 REMARK: NULL REMARK 280 REMARK 280 CRYSTAL REMARK 280 SOLVENT CONTENT, VS (%): 38.33 REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 1.99 REMARK 280 REMARK 280 CRYSTALLIZATION CONDITIONS: PEG 4000, AMMONIUM ACETATE, SODIUM REMARK 280 ACETATE, GLYCEROL, PH 4.6, VAPOR DIFFUSION, HANGING DROP, REMARK 280 TEMPERATURE 292K REMARK 290 REMARK 290 CRYSTALLOGRAPHIC SYMMETRY REMARK 290 SYMMETRY OPERATORS FOR SPACE GROUP: C 1 2 1 REMARK 290 REMARK 290 SYMOP SYMMETRY REMARK 290 NNNMMM OPERATOR REMARK 290 1555 X,Y,Z REMARK 290 2555 -X,Y,-Z REMARK 290 3555 X+1/2,Y+1/2,Z REMARK 290 4555 -X+1/2,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 0.00000 REMARK 290 SMTRY3 2 0.000000 0.000000 -1.000000 0.00000 REMARK 290 SMTRY1 3 1.000000 0.000000 0.000000 36.73500 REMARK 290 SMTRY2 3 0.000000 1.000000 0.000000 18.95500 REMARK 290 SMTRY3 3 0.000000 0.000000 1.000000 0.00000 REMARK 290 SMTRY1 4 -1.000000 0.000000 0.000000 36.73500 REMARK 290 SMTRY2 4 0.000000 1.000000 0.000000 18.95500 REMARK 290 SMTRY3 4 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 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: MONOMERIC REMARK 350 APPLY THE FOLLOWING TO CHAINS: A 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 375 REMARK 375 SPECIAL POSITION REMARK 375 THE FOLLOWING ATOMS ARE FOUND TO BE WITHIN 0.15 ANGSTROMS REMARK 375 OF A SYMMETRY RELATED ATOM AND ARE ASSUMED TO BE ON SPECIAL REMARK 375 POSITIONS. REMARK 375 REMARK 375 ATOM RES CSSEQI REMARK 375 CL CL A 192 LIES ON A SPECIAL POSITION. REMARK 375 CL CL A 193 LIES ON A SPECIAL POSITION. REMARK 375 HOH A 451 LIES ON A SPECIAL POSITION. REMARK 375 HOH A 452 LIES ON A SPECIAL POSITION. REMARK 375 HOH A 453 LIES ON A SPECIAL POSITION. 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 ND2 ASN A 107 O HOH A 284 2.10 REMARK 500 REMARK 500 REMARK: NULL REMARK 500 REMARK 500 GEOMETRY AND STEREOCHEMISTRY REMARK 500 SUBTOPIC: CLOSE CONTACTS REMARK 500 REMARK 500 THE FOLLOWING ATOMS THAT ARE RELATED BY CRYSTALLOGRAPHIC REMARK 500 SYMMETRY ARE IN CLOSE CONTACT. AN ATOM LOCATED WITHIN 0.15 REMARK 500 ANGSTROMS OF A SYMMETRY RELATED ATOM IS ASSUMED TO BE ON A REMARK 500 SPECIAL POSITION AND IS, THEREFORE, LISTED IN REMARK 375 REMARK 500 INSTEAD OF REMARK 500. ATOMS WITH NON-BLANK ALTERNATE REMARK 500 LOCATION INDICATORS ARE NOT INCLUDED IN THE CALCULATIONS. REMARK 500 REMARK 500 DISTANCE CUTOFF: REMARK 500 2.2 ANGSTROMS FOR CONTACTS NOT INVOLVING HYDROGEN ATOMS REMARK 500 1.6 ANGSTROMS FOR CONTACTS INVOLVING HYDROGEN ATOMS REMARK 500 REMARK 500 ATM1 RES C SSEQI ATM2 RES C SSEQI SSYMOP DISTANCE REMARK 500 HD21 ASN A 19 HD21 ASN A 19 2556 1.25 REMARK 500 HD21 ASN A 107 HB3 ASP A 139 2555 1.57 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 SER A 13 77.62 69.70 REMARK 500 ASP A 49 50.94 -91.07 REMARK 500 REMARK 500 REMARK: NULL REMARK 620 REMARK 620 METAL COORDINATION REMARK 620 (M=MODEL NUMBER; RES=RESIDUE NAME; C=CHAIN IDENTIFIER; REMARK 620 SSEQ=SEQUENCE NUMBER; I=INSERTION CODE): REMARK 620 REMARK 620 COORDINATION ANGLES FOR: M RES CSSEQI METAL REMARK 620 MG A 161 MG REMARK 620 N RES CSSEQI ATOM REMARK 620 1 ASP A 95 OD1 REMARK 620 2 ASP A 97 OD1 93.4 REMARK 620 3 HOH A 202 O 177.3 86.5 REMARK 620 4 APC A 171 O2A 93.6 170.6 86.3 REMARK 620 5 HOH A 201 O 88.5 85.3 88.9 88.6 REMARK 620 6 APC A 171 O2B 89.0 96.5 93.7 89.9 177.0 REMARK 620 N 1 2 3 4 5 REMARK 620 REMARK 620 COORDINATION ANGLES FOR: M RES CSSEQI METAL REMARK 620 MG A 162 MG REMARK 620 N RES CSSEQI ATOM REMARK 620 1 ASP A 95 OD2 REMARK 620 2 ASP A 97 OD2 91.4 REMARK 620 3 APC A 171 O2B 88.5 99.1 REMARK 620 4 APC A 171 O1G 176.3 91.5 88.9 REMARK 620 5 HHR A 181 O6A 90.2 169.3 91.5 87.3 REMARK 620 6 HHS A 182 O6A 83.9 172.1 87.1 93.4 7.6 REMARK 620 7 HOH A 203 O 89.9 89.5 171.3 92.3 79.9 84.2 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 MG A 161 REMARK 800 SITE_IDENTIFIER: AC2 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE MG A 162 REMARK 800 SITE_IDENTIFIER: AC3 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE APC A 171 REMARK 800 SITE_IDENTIFIER: AC4 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE HHR A 181 REMARK 800 SITE_IDENTIFIER: AC5 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE HHS A 182 REMARK 800 SITE_IDENTIFIER: AC6 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE CL A 191 REMARK 800 SITE_IDENTIFIER: AC7 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE CL A 192 REMARK 800 SITE_IDENTIFIER: AC8 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE CL A 193 REMARK 800 SITE_IDENTIFIER: AC9 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE ACT A 194 REMARK 800 SITE_IDENTIFIER: BC1 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE ACT A 195 REMARK 800 SITE_IDENTIFIER: BC2 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE ACT A 196 REMARK 800 SITE_IDENTIFIER: BC3 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE ACT A 197 REMARK 900 REMARK 900 RELATED ENTRIES REMARK 900 RELATED ID: 1Q0N RELATED DB: PDB REMARK 900 CRYSTAL STRUCTURE OF E. COLI HPPK COMPLEXED WITH MGAMPCPP REMARK 900 AND 6-HYDROXYMETHYL-7,8-DIHYDROPTERIN DBREF 3H4A A 1 158 UNP P26281 HPPK_ECOLI 2 159 SEQRES 1 A 158 THR VAL ALA TYR ILE ALA ILE GLY SER ASN LEU ALA SER SEQRES 2 A 158 PRO LEU GLU GLN VAL ASN ALA ALA LEU LYS ALA LEU GLY SEQRES 3 A 158 ASP ILE PRO GLU SER HIS ILE LEU THR VAL SER SER PHE SEQRES 4 A 158 TYR ARG THR PRO PRO LEU GLY PRO GLN ASP GLN PRO ASP SEQRES 5 A 158 TYR LEU ASN ALA ALA VAL ALA LEU GLU THR SER LEU ALA SEQRES 6 A 158 PRO GLU GLU LEU LEU ASN HIS THR GLN ARG ILE GLU LEU SEQRES 7 A 158 GLN GLN GLY ARG VAL ARG LYS ALA GLU ARG TRP GLY PRO SEQRES 8 A 158 ARG THR LEU ASP LEU ASP ILE MET LEU PHE GLY ASN GLU SEQRES 9 A 158 VAL ILE ASN THR GLU ARG LEU THR VAL PRO HIS TYR ASP SEQRES 10 A 158 MET LYS ASN ARG GLY PHE MET LEU TRP PRO LEU PHE GLU SEQRES 11 A 158 ILE ALA PRO GLU LEU VAL PHE PRO ASP GLY GLU MET LEU SEQRES 12 A 158 ARG GLN ILE LEU HIS THR ARG ALA PHE ASP LYS LEU ASN SEQRES 13 A 158 LYS TRP HET MG A 161 1 HET MG A 162 1 HET APC A 171 49 HET HHR A 181 21 HET HHS A 182 20 HET CL A 191 1 HET CL A 192 1 HET CL A 193 1 HET ACT A 194 7 HET ACT A 195 7 HET ACT A 196 7 HET ACT A 197 7 HETNAM MG MAGNESIUM ION HETNAM APC DIPHOSPHOMETHYLPHOSPHONIC ACID ADENOSYL ESTER HETNAM HHR 6-HYDROXYMETHYLPTERIN HETNAM HHS 6-CARBOXYPTERIN HETNAM CL CHLORIDE ION HETNAM ACT ACETATE ION HETSYN APC ALPHA,BETA-METHYLENEADENOSINE-5'-TRIPHOSPHATE HETSYN HHS 2-AMINO-4-OXO-3,4-DIHYDROPTERIDINE-6-CARBOXYLIC ACID FORMUL 2 MG 2(MG 2+) FORMUL 4 APC C11 H18 N5 O12 P3 FORMUL 5 HHR C7 H7 N5 O2 FORMUL 6 HHS C7 H5 N5 O3 FORMUL 7 CL 3(CL 1-) FORMUL 10 ACT 4(C2 H3 O2 1-) FORMUL 14 HOH *326(H2 O) HELIX 1 1 SER A 13 ASP A 27 1 15 HELIX 2 2 ALA A 65 GLN A 80 1 16 HELIX 3 3 ASP A 117 ASN A 120 5 4 HELIX 4 4 ARG A 121 ALA A 132 1 12 HELIX 5 5 MET A 142 ALA A 151 1 10 SHEET 1 A 4 SER A 31 VAL A 36 0 SHEET 2 A 4 TYR A 53 THR A 62 -1 O ALA A 59 N LEU A 34 SHEET 3 A 4 VAL A 2 SER A 9 -1 N ALA A 3 O LEU A 60 SHEET 4 A 4 ASP A 95 PHE A 101 -1 O ASP A 97 N ALA A 6 SHEET 1 B 4 SER A 31 VAL A 36 0 SHEET 2 B 4 TYR A 53 THR A 62 -1 O ALA A 59 N LEU A 34 SHEET 3 B 4 TYR A 40 THR A 42 -1 N THR A 42 O TYR A 53 SHEET 4 B 4 ASN A 156 LYS A 157 -1 O ASN A 156 N ARG A 41 SHEET 1 C 2 ILE A 106 ASN A 107 0 SHEET 2 C 2 THR A 112 VAL A 113 -1 O VAL A 113 N ILE A 106 LINK OD1 ASP A 95 MG MG A 161 1555 1555 2.06 LINK OD2 ASP A 95 MG MG A 162 1555 1555 2.13 LINK OD1 ASP A 97 MG MG A 161 1555 1555 2.07 LINK OD2 ASP A 97 MG MG A 162 1555 1555 2.02 LINK MG MG A 161 O HOH A 202 1555 1555 2.08 LINK MG MG A 161 O2A APC A 171 1555 1555 2.09 LINK MG MG A 161 O HOH A 201 1555 1555 2.09 LINK MG MG A 161 O2B APC A 171 1555 1555 2.11 LINK MG MG A 162 O2B APC A 171 1555 1555 2.13 LINK MG MG A 162 O1G APC A 171 1555 1555 2.05 LINK MG MG A 162 O6AAHHR A 181 1555 1555 2.05 LINK MG MG A 162 O6ABHHS A 182 1555 1555 2.10 LINK MG MG A 162 O HOH A 203 1555 1555 2.12 CISPEP 1 VAL A 113 PRO A 114 0 -6.95 SITE 1 AC1 6 ASP A 95 ASP A 97 MG A 162 APC A 171 SITE 2 AC1 6 HOH A 201 HOH A 202 SITE 1 AC2 7 ASP A 95 ASP A 97 MG A 161 APC A 171 SITE 2 AC2 7 HHR A 181 HHS A 182 HOH A 203 SITE 1 AC3 31 GLN A 74 ARG A 82 ARG A 84 TRP A 89 SITE 2 AC3 31 ARG A 92 ASP A 95 ASP A 97 ILE A 98 SITE 3 AC3 31 ARG A 110 LEU A 111 THR A 112 HIS A 115 SITE 4 AC3 31 TYR A 116 ARG A 121 MG A 161 MG A 162 SITE 5 AC3 31 HHR A 181 HHS A 182 ACT A 194 HOH A 201 SITE 6 AC3 31 HOH A 202 HOH A 203 HOH A 216 HOH A 248 SITE 7 AC3 31 HOH A 264 HOH A 323 HOH A 365 HOH A 496 SITE 8 AC3 31 HOH A 499 HOH A 504 HOH A 505 SITE 1 AC4 16 THR A 42 PRO A 43 LEU A 45 TYR A 53 SITE 2 AC4 16 ASN A 55 TRP A 89 ARG A 92 ASP A 95 SITE 3 AC4 16 PHE A 123 MG A 162 APC A 171 HOH A 203 SITE 4 AC4 16 HOH A 219 HOH A 243 HOH A 299 HOH A 504 SITE 1 AC5 18 THR A 42 PRO A 43 LEU A 45 TYR A 53 SITE 2 AC5 18 ASN A 55 TRP A 89 ARG A 92 ASP A 95 SITE 3 AC5 18 PHE A 123 MG A 162 APC A 171 HOH A 203 SITE 4 AC5 18 HOH A 219 HOH A 243 HOH A 299 HOH A 503 SITE 5 AC5 18 HOH A 504 HOH A 511 SITE 1 AC6 6 ASN A 107 LYS A 119 PHE A 137 PRO A 138 SITE 2 AC6 6 ASP A 139 HOH A 284 SITE 1 AC7 2 HOH A 206 HOH A 222 SITE 1 AC8 2 HOH A 325 HOH A 454 SITE 1 AC9 5 TYR A 116 APC A 171 HOH A 207 HOH A 347 SITE 2 AC9 5 HOH A 499 SITE 1 BC1 5 GLU A 30 SER A 31 HIS A 32 HOH A 383 SITE 2 BC1 5 HOH A 403 SITE 1 BC2 4 LYS A 154 HOH A 280 HOH A 476 HOH A 512 SITE 1 BC3 9 LEU A 11 PRO A 51 ALA A 65 PRO A 66 SITE 2 BC3 9 HOH A 257 HOH A 285 HOH A 354 HOH A 370 SITE 3 BC3 9 HOH A 515 CRYST1 73.470 37.910 57.850 90.00 117.18 90.00 C 1 2 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 0.013612 0.000000 0.006990 0.00000 SCALE2 0.000000 0.026378 0.000000 0.00000 SCALE3 0.000000 0.000000 0.019433 0.00000