HEADER ISOMERASE 05-MAY-06 2DP3 TITLE CRYSTAL STRUCTURE OF A DOUBLE MUTANT (C202A/A198V) OF TRIOSEPHOSPHATE TITLE 2 ISOMERASE FROM GIARDIA LAMBLIA COMPND MOL_ID: 1; COMPND 2 MOLECULE: TRIOSEPHOSPHATE ISOMERASE; COMPND 3 CHAIN: A; COMPND 4 SYNONYM: TIM, TRIOSE-PHOSPHATE ISOMERASE; COMPND 5 EC: 5.3.1.1; COMPND 6 ENGINEERED: YES; COMPND 7 MUTATION: YES SOURCE MOL_ID: 1; SOURCE 2 ORGANISM_SCIENTIFIC: GIARDIA INTESTINALIS; SOURCE 3 ORGANISM_TAXID: 5741; SOURCE 4 STRAIN: WB STRAIN; SOURCE 5 GENE: GLTIM; SOURCE 6 EXPRESSION_SYSTEM: ESCHERICHIA COLI; SOURCE 7 EXPRESSION_SYSTEM_TAXID: 562; SOURCE 8 EXPRESSION_SYSTEM_STRAIN: BL21(DE3)PLYS; SOURCE 9 EXPRESSION_SYSTEM_VECTOR_TYPE: PLASMID; SOURCE 10 EXPRESSION_SYSTEM_PLASMID: PET3A KEYWDS TRIOSEPHOSPHATE ISOMERASE, GIARDIA, ENZYME, ALPHA/BETA BARREL, KEYWDS 2 ISOMERASE EXPDTA X-RAY DIFFRACTION AUTHOR A.DIAZ,H.REYES-VIVAS,G.LOPEZ-VELAZQUEZ REVDAT 5 25-OCT-23 2DP3 1 REMARK REVDAT 4 10-NOV-21 2DP3 1 REMARK SEQADV REVDAT 3 13-JUL-11 2DP3 1 VERSN REVDAT 2 24-FEB-09 2DP3 1 VERSN REVDAT 1 02-JAN-07 2DP3 0 JRNL AUTH H.REYES-VIVAS,A.DIAZ,J.PEON,G.MENDOZA-HERNANDEZ, JRNL AUTH 2 G.HERNANDEZ-ALCANTARA,I.DE LA MORA-DE LA MORA, JRNL AUTH 3 S.ENRIQUEZ-FLORES,L.DOMINGUEZ-RAMIREZ,G.LOPEZ-VELAZQUEZ JRNL TITL DISULFIDE BRIDGES IN THE MESOPHILIC TRIOSEPHOSPHATE JRNL TITL 2 ISOMERASE FROM GIARDIA LAMBLIA ARE RELATED TO JRNL TITL 3 OLIGOMERIZATION AND ACTIVITY JRNL REF J.MOL.BIOL. V. 365 752 2007 JRNL REFN ISSN 0022-2836 JRNL PMID 17095008 JRNL DOI 10.1016/J.JMB.2006.10.053 REMARK 1 REMARK 1 REFERENCE 1 REMARK 1 AUTH G.LOPEZ-VELAZQUEZ,D.MOLINA-ORTIZ,N.CABRERA,J.PEON-PERALTA, REMARK 1 AUTH 2 H.REYES-VIVAS REMARK 1 TITL AN UNUSUAL TRIOSEPHOSPHATE ISOMERASE FROM THE EARLY REMARK 1 TITL 2 DIVERGENT EUKARYOTE GIARDIA LAMBLIA REMARK 1 REF PROTEINS V. 55 824 2004 REMARK 1 REFN ISSN 0887-3585 REMARK 1 PMID 15146481 REMARK 1 DOI 10.1002/PROT.20097 REMARK 2 REMARK 2 RESOLUTION. 2.10 ANGSTROMS. REMARK 3 REMARK 3 REFINEMENT. REMARK 3 PROGRAM : CNS 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) : 2.10 REMARK 3 RESOLUTION RANGE LOW (ANGSTROMS) : 28.65 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) (%) : NULL REMARK 3 NUMBER OF REFLECTIONS : 18608 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) : 0.175 REMARK 3 FREE R VALUE : 0.181 REMARK 3 FREE R VALUE TEST SET SIZE (%) : NULL REMARK 3 FREE R VALUE TEST SET COUNT : 955 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) : 2.10 REMARK 3 BIN RESOLUTION RANGE LOW (A) : 2.23 REMARK 3 BIN COMPLETENESS (WORKING+TEST) (%) : 98.60 REMARK 3 REFLECTIONS IN BIN (WORKING SET) : NULL REMARK 3 BIN R VALUE (WORKING SET) : 0.1710 REMARK 3 BIN FREE R VALUE : 0.1660 REMARK 3 BIN FREE R VALUE TEST SET SIZE (%) : NULL REMARK 3 BIN FREE R VALUE TEST SET COUNT : 340 REMARK 3 ESTIMATED ERROR OF BIN FREE R VALUE : 0.009 REMARK 3 REMARK 3 NUMBER OF NON-HYDROGEN ATOMS USED IN REFINEMENT. REMARK 3 PROTEIN ATOMS : 1939 REMARK 3 NUCLEIC ACID ATOMS : 0 REMARK 3 HETEROGEN ATOMS : 20 REMARK 3 SOLVENT ATOMS : 303 REMARK 3 REMARK 3 B VALUES. REMARK 3 FROM WILSON PLOT (A**2) : 14.20 REMARK 3 MEAN B VALUE (OVERALL, A**2) : NULL REMARK 3 OVERALL ANISOTROPIC B VALUE. REMARK 3 B11 (A**2) : -3.05000 REMARK 3 B22 (A**2) : 0.00000 REMARK 3 B33 (A**2) : 0.00000 REMARK 3 B12 (A**2) : 1.07000 REMARK 3 B13 (A**2) : 1.98000 REMARK 3 B23 (A**2) : 0.00000 REMARK 3 REMARK 3 ESTIMATED COORDINATE ERROR. REMARK 3 ESD FROM LUZZATI PLOT (A) : 0.20 REMARK 3 ESD FROM SIGMAA (A) : 0.09 REMARK 3 LOW RESOLUTION CUTOFF (A) : NULL REMARK 3 REMARK 3 CROSS-VALIDATED ESTIMATED COORDINATE ERROR. REMARK 3 ESD FROM C-V LUZZATI PLOT (A) : NULL REMARK 3 ESD FROM C-V SIGMAA (A) : NULL REMARK 3 REMARK 3 RMS DEVIATIONS FROM IDEAL VALUES. REMARK 3 BOND LENGTHS (A) : 0.005 REMARK 3 BOND ANGLES (DEGREES) : 2.400 REMARK 3 DIHEDRAL ANGLES (DEGREES) : 22.00 REMARK 3 IMPROPER ANGLES (DEGREES) : 1.740 REMARK 3 REMARK 3 ISOTROPIC THERMAL MODEL : NULL REMARK 3 REMARK 3 ISOTROPIC THERMAL FACTOR RESTRAINTS. RMS SIGMA REMARK 3 MAIN-CHAIN BOND (A**2) : NULL ; NULL REMARK 3 MAIN-CHAIN ANGLE (A**2) : NULL ; NULL REMARK 3 SIDE-CHAIN BOND (A**2) : NULL ; NULL REMARK 3 SIDE-CHAIN ANGLE (A**2) : NULL ; NULL REMARK 3 REMARK 3 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 2DP3 COMPLIES WITH FORMAT V. 3.30, 13-JUL-11 REMARK 100 REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY PDBJ ON 15-MAY-06. REMARK 100 THE DEPOSITION ID IS D_1000025676. REMARK 200 REMARK 200 EXPERIMENTAL DETAILS REMARK 200 EXPERIMENT TYPE : X-RAY DIFFRACTION REMARK 200 DATE OF DATA COLLECTION : 11-JUN-04 REMARK 200 TEMPERATURE (KELVIN) : 113 REMARK 200 PH : 7.4 REMARK 200 NUMBER OF CRYSTALS USED : 1 REMARK 200 REMARK 200 SYNCHROTRON (Y/N) : N REMARK 200 RADIATION SOURCE : ROTATING ANODE REMARK 200 BEAMLINE : NULL REMARK 200 X-RAY GENERATOR MODEL : RIGAKU RU200 REMARK 200 MONOCHROMATIC OR LAUE (M/L) : M REMARK 200 WAVELENGTH OR RANGE (A) : 1.5418 REMARK 200 MONOCHROMATOR : YALE MIRRORS REMARK 200 OPTICS : MIRRORS REMARK 200 REMARK 200 DETECTOR TYPE : IMAGE PLATE REMARK 200 DETECTOR MANUFACTURER : RIGAKU RAXIS IIC REMARK 200 INTENSITY-INTEGRATION SOFTWARE : MOSFLM, CRYSTALCLEAR REMARK 200 (MSC/RIGAKU) REMARK 200 DATA SCALING SOFTWARE : MOSFLM REMARK 200 REMARK 200 NUMBER OF UNIQUE REFLECTIONS : 18609 REMARK 200 RESOLUTION RANGE HIGH (A) : 2.100 REMARK 200 RESOLUTION RANGE LOW (A) : 28.650 REMARK 200 REJECTION CRITERIA (SIGMA(I)) : 0.000 REMARK 200 REMARK 200 OVERALL. REMARK 200 COMPLETENESS FOR RANGE (%) : 94.1 REMARK 200 DATA REDUNDANCY : 2.100 REMARK 200 R MERGE (I) : 0.07100 REMARK 200 R SYM (I) : NULL REMARK 200 FOR THE DATA SET : NULL 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) : 2.23 REMARK 200 COMPLETENESS FOR SHELL (%) : 98.6 REMARK 200 DATA REDUNDANCY IN SHELL : 2.00 REMARK 200 R MERGE FOR SHELL (I) : 0.06500 REMARK 200 R SYM FOR SHELL (I) : NULL REMARK 200 FOR SHELL : 8.100 REMARK 200 REMARK 200 DIFFRACTION PROTOCOL: SINGLE WAVELENGTH REMARK 200 METHOD USED TO DETERMINE THE STRUCTURE: MOLECULAR REPLACEMENT REMARK 200 SOFTWARE USED: CNS REMARK 200 STARTING MODEL: PDB ENTRY 1TCD, 1LYX, 1M6J REMARK 200 REMARK 200 REMARK: NULL REMARK 280 REMARK 280 CRYSTAL REMARK 280 SOLVENT CONTENT, VS (%): 58.38 REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 2.96 REMARK 280 REMARK 280 CRYSTALLIZATION CONDITIONS: 5MICROL OF C202A (13MG/ML) DISSOLVED REMARK 280 IN 100MM TRIETHANOLAMINE, 10MM EDTA, MIXED WITH 5MICROL OF 2M REMARK 280 AMMONIUM SULFATE,5% ISOPROPANOL, PH 7.4, VAPOR DIFFUSION, REMARK 280 SITTING DROP, TEMPERATURE 291K REMARK 290 REMARK 290 CRYSTALLOGRAPHIC SYMMETRY REMARK 290 SYMMETRY OPERATORS FOR SPACE GROUP: I 2 2 2 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,Y,-Z REMARK 290 4555 X,-Y,-Z REMARK 290 5555 X+1/2,Y+1/2,Z+1/2 REMARK 290 6555 -X+1/2,-Y+1/2,Z+1/2 REMARK 290 7555 -X+1/2,Y+1/2,-Z+1/2 REMARK 290 8555 X+1/2,-Y+1/2,-Z+1/2 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 0.00000 REMARK 290 SMTRY2 3 0.000000 1.000000 0.000000 0.00000 REMARK 290 SMTRY3 3 0.000000 0.000000 -1.000000 0.00000 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 0.00000 REMARK 290 SMTRY1 5 1.000000 0.000000 0.000000 27.68550 REMARK 290 SMTRY2 5 0.000000 1.000000 0.000000 50.22150 REMARK 290 SMTRY3 5 0.000000 0.000000 1.000000 59.39800 REMARK 290 SMTRY1 6 -1.000000 0.000000 0.000000 27.68550 REMARK 290 SMTRY2 6 0.000000 -1.000000 0.000000 50.22150 REMARK 290 SMTRY3 6 0.000000 0.000000 1.000000 59.39800 REMARK 290 SMTRY1 7 -1.000000 0.000000 0.000000 27.68550 REMARK 290 SMTRY2 7 0.000000 1.000000 0.000000 50.22150 REMARK 290 SMTRY3 7 0.000000 0.000000 -1.000000 59.39800 REMARK 290 SMTRY1 8 1.000000 0.000000 0.000000 27.68550 REMARK 290 SMTRY2 8 0.000000 -1.000000 0.000000 50.22150 REMARK 290 SMTRY3 8 0.000000 0.000000 -1.000000 59.39800 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 SECOND PART OF THE BIOLOGICAL ASSEMBLY IS GENERATED BY REMARK 300 THE TWO FOLD AXIS: 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: 4440 ANGSTROM**2 REMARK 350 SURFACE AREA OF THE COMPLEX: 19520 ANGSTROM**2 REMARK 350 CHANGE IN SOLVENT FREE ENERGY: -118.0 KCAL/MOL 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 350 BIOMT1 2 -1.000000 0.000000 0.000000 -55.37100 REMARK 350 BIOMT2 2 0.000000 -1.000000 0.000000 -100.44300 REMARK 350 BIOMT3 2 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 THR A 257 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 ALA A 3 -144.57 -111.63 REMARK 500 LYS A 13 -151.36 61.11 REMARK 500 SER A 158 45.43 -52.90 REMARK 500 VAL A 201 -77.93 -118.68 REMARK 500 ALA A 202 140.01 -174.22 REMARK 500 REMARK 500 REMARK: NULL REMARK 800 REMARK 800 SITE REMARK 800 SITE_IDENTIFIER: AC1 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE SO4 A 900 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC2 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE SO4 A 901 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC3 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE SO4 A 902 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC4 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE SO4 A 903 DBREF 2DP3 A 1 257 UNP P36186 TPI1_GIALA 1 257 SEQADV 2DP3 VAL A 198 UNP P36186 ALA 198 ENGINEERED MUTATION SEQADV 2DP3 ALA A 202 UNP P36186 CYS 202 ENGINEERED MUTATION SEQRES 1 A 257 MET PRO ALA ARG ARG PRO PHE ILE GLY GLY ASN PHE LYS SEQRES 2 A 257 CYS ASN GLY SER LEU ASP PHE ILE LYS SER HIS VAL ALA SEQRES 3 A 257 ALA ILE ALA ALA HIS LYS ILE PRO ASP SER VAL ASP VAL SEQRES 4 A 257 VAL ILE ALA PRO SER ALA VAL HIS LEU SER THR ALA ILE SEQRES 5 A 257 ALA ALA ASN THR SER LYS GLN LEU ARG ILE ALA ALA GLN SEQRES 6 A 257 ASN VAL TYR LEU GLU GLY ASN GLY ALA TRP THR GLY GLU SEQRES 7 A 257 THR SER VAL GLU MET LEU GLN ASP MET GLY LEU LYS HIS SEQRES 8 A 257 VAL ILE VAL GLY HIS SER GLU ARG ARG ARG ILE MET GLY SEQRES 9 A 257 GLU THR ASP GLU GLN SER ALA LYS LYS ALA LYS ARG ALA SEQRES 10 A 257 LEU GLU LYS GLY MET THR VAL ILE PHE CYS VAL GLY GLU SEQRES 11 A 257 THR LEU ASP GLU ARG LYS ALA ASN ARG THR MET GLU VAL SEQRES 12 A 257 ASN ILE ALA GLN LEU GLU ALA LEU GLY LYS GLU LEU GLY SEQRES 13 A 257 GLU SER LYS MET LEU TRP LYS GLU VAL VAL ILE ALA TYR SEQRES 14 A 257 GLU PRO VAL TRP SER ILE GLY THR GLY VAL VAL ALA THR SEQRES 15 A 257 PRO GLU GLN ALA GLU GLU VAL HIS VAL GLY LEU ARG LYS SEQRES 16 A 257 TRP PHE VAL GLU LYS VAL ALA ALA GLU GLY ALA GLN HIS SEQRES 17 A 257 ILE ARG ILE ILE TYR GLY GLY SER ALA ASN GLY SER ASN SEQRES 18 A 257 CYS GLU LYS LEU GLY GLN CYS PRO ASN ILE ASP GLY PHE SEQRES 19 A 257 LEU VAL GLY GLY ALA SER LEU LYS PRO GLU PHE MET THR SEQRES 20 A 257 MET ILE ASP ILE LEU THR LYS THR ARG THR HET SO4 A 900 5 HET SO4 A 901 5 HET SO4 A 902 5 HET SO4 A 903 5 HETNAM SO4 SULFATE ION FORMUL 2 SO4 4(O4 S 2-) FORMUL 6 HOH *303(H2 O) HELIX 1 1 SER A 17 ALA A 30 1 14 HELIX 2 2 SER A 44 VAL A 46 5 3 HELIX 3 3 HIS A 47 ASN A 55 1 9 HELIX 4 4 SER A 80 MET A 87 1 8 HELIX 5 5 HIS A 96 ILE A 102 1 7 HELIX 6 6 THR A 106 LYS A 120 1 15 HELIX 7 7 THR A 131 ALA A 137 1 7 HELIX 8 8 ARG A 139 GLY A 156 1 18 HELIX 9 9 SER A 158 LYS A 163 5 6 HELIX 10 10 PRO A 171 ILE A 175 5 5 HELIX 11 11 THR A 182 VAL A 201 1 20 HELIX 12 12 ALA A 202 ILE A 209 1 8 HELIX 13 13 ASN A 221 GLN A 227 1 7 HELIX 14 14 GLY A 237 LYS A 242 5 6 HELIX 15 15 PRO A 243 ARG A 256 1 14 SHEET 1 A 9 PHE A 7 ASN A 11 0 SHEET 2 A 9 ASP A 38 ALA A 42 1 O ALA A 42 N GLY A 10 SHEET 3 A 9 ARG A 61 ALA A 64 1 O ALA A 63 N ILE A 41 SHEET 4 A 9 HIS A 91 VAL A 94 1 O ILE A 93 N ALA A 64 SHEET 5 A 9 THR A 123 VAL A 128 1 O ILE A 125 N VAL A 94 SHEET 6 A 9 VAL A 165 TYR A 169 1 O VAL A 166 N VAL A 124 SHEET 7 A 9 ARG A 210 GLY A 214 1 O ILE A 212 N ILE A 167 SHEET 8 A 9 GLY A 233 VAL A 236 1 O GLY A 233 N TYR A 213 SHEET 9 A 9 PHE A 7 ASN A 11 1 N GLY A 9 O VAL A 236 SITE 1 AC1 10 SER A 174 ILE A 175 GLY A 176 SER A 216 SITE 2 AC1 10 GLY A 237 GLY A 238 HOH A 923 HOH A 925 SITE 3 AC1 10 HOH A 943 HOH A1001 SITE 1 AC2 3 ARG A 135 GLN A 185 HOH A1084 SITE 1 AC3 8 LYS A 195 ASN A 218 ALA A 239 LYS A 242 SITE 2 AC3 8 GLU A 244 HOH A1136 HOH A1137 HOH A1142 SITE 1 AC4 7 HIS A 24 ALA A 27 PRO A 243 HOH A 987 SITE 2 AC4 7 HOH A1070 HOH A1151 HOH A1176 CRYST1 55.371 100.443 118.796 90.00 90.00 90.00 I 2 2 2 8 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 0.018060 0.000000 0.000000 0.00000 SCALE2 0.000000 0.009956 0.000000 0.00000 SCALE3 0.000000 0.000000 0.008418 0.00000