HEADER TRANSFERASE/TRANSFERASE INHIBITOR 16-AUG-11 3TFP TITLE CRYSTAL STRUCTURE OF DEHYDROSQUALENE SYNTHASE (CRTM) FROM S. AUREUS TITLE 2 COMPLEXED WITH BPH-1162 COMPND MOL_ID: 1; COMPND 2 MOLECULE: DEHYDROSQUALENE SYNTHASE; COMPND 3 CHAIN: A; COMPND 4 SYNONYM: 4,4'-DIAPOPHYTOENE SYNTHASE, DAP SYNTHASE, DIAPOPHYTOENE COMPND 5 SYNTHASE; COMPND 6 EC: 2.5.1.-; COMPND 7 ENGINEERED: YES SOURCE MOL_ID: 1; SOURCE 2 ORGANISM_SCIENTIFIC: STAPHYLOCOCCUS AUREUS; SOURCE 3 ORGANISM_TAXID: 1280; SOURCE 4 GENE: CRTM; SOURCE 5 EXPRESSION_SYSTEM: ESCHERICHIA COLI; SOURCE 6 EXPRESSION_SYSTEM_TAXID: 511693; SOURCE 7 EXPRESSION_SYSTEM_VECTOR_TYPE: PLASMID; SOURCE 8 EXPRESSION_SYSTEM_PLASMID: PET32-LIC KEYWDS HEAD-TO-HEAD PRENYL SYNTHASE, TRANSFERASE-TRANSFERASE INHIBITOR KEYWDS 2 COMPLEX EXPDTA X-RAY DIFFRACTION AUTHOR F.-Y.LIN,Y.-L.LIU,Y.ZHANG,E.OLDFIELD REVDAT 3 13-SEP-23 3TFP 1 REMARK SEQADV LINK REVDAT 2 23-MAY-12 3TFP 1 JRNL REVDAT 1 04-APR-12 3TFP 0 JRNL AUTH F.Y.LIN,Y.ZHANG,M.HENSLER,Y.L.LIU,O.A.CHOW,W.ZHU,K.WANG, JRNL AUTH 2 R.PANG,W.THIENPHRAPA,V.NIZET,E.OLDFIELD JRNL TITL DUAL DEHYDROSQUALENE/SQUALENE SYNTHASE INHIBITORS: LEADS FOR JRNL TITL 2 INNATE IMMUNE SYSTEM-BASED THERAPEUTICS. JRNL REF CHEMMEDCHEM V. 7 561 2012 JRNL REFN ISSN 1860-7179 JRNL PMID 22290830 JRNL DOI 10.1002/CMDC.201100589 REMARK 2 REMARK 2 RESOLUTION. 2.00 ANGSTROMS. REMARK 3 REMARK 3 REFINEMENT. REMARK 3 PROGRAM : PHENIX (PHENIX.REFINE: 1.6.4_486) REMARK 3 AUTHORS : PAUL ADAMS,PAVEL AFONINE,VINCENT CHEN,IAN REMARK 3 : DAVIS,KRESHNA GOPAL,RALF GROSSE-KUNSTLEVE, REMARK 3 : LI-WEI HUNG,ROBERT IMMORMINO,TOM IOERGER, REMARK 3 : AIRLIE MCCOY,ERIK MCKEE,NIGEL MORIARTY, REMARK 3 : REETAL PAI,RANDY READ,JANE RICHARDSON, REMARK 3 : DAVID RICHARDSON,TOD ROMO,JIM SACCHETTINI, REMARK 3 : NICHOLAS SAUTER,JACOB SMITH,LAURENT REMARK 3 : STORONI,TOM TERWILLIGER,PETER ZWART REMARK 3 REMARK 3 REFINEMENT TARGET : ML REMARK 3 REMARK 3 DATA USED IN REFINEMENT. REMARK 3 RESOLUTION RANGE HIGH (ANGSTROMS) : 2.00 REMARK 3 RESOLUTION RANGE LOW (ANGSTROMS) : 28.11 REMARK 3 MIN(FOBS/SIGMA_FOBS) : 0.000 REMARK 3 COMPLETENESS FOR RANGE (%) : 98.9 REMARK 3 NUMBER OF REFLECTIONS : 23418 REMARK 3 REMARK 3 FIT TO DATA USED IN REFINEMENT. REMARK 3 R VALUE (WORKING + TEST SET) : 0.194 REMARK 3 R VALUE (WORKING SET) : 0.192 REMARK 3 FREE R VALUE : 0.241 REMARK 3 FREE R VALUE TEST SET SIZE (%) : 5.070 REMARK 3 FREE R VALUE TEST SET COUNT : 1187 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 28.1092 - 3.9967 1.00 2945 157 0.1819 0.2298 REMARK 3 2 3.9967 - 3.1737 1.00 2832 164 0.1852 0.2372 REMARK 3 3 3.1737 - 2.7729 1.00 2806 144 0.2077 0.2640 REMARK 3 4 2.7729 - 2.5196 1.00 2788 139 0.1996 0.2296 REMARK 3 5 2.5196 - 2.3391 0.99 2755 151 0.1918 0.2260 REMARK 3 6 2.3391 - 2.2012 0.98 2749 136 0.1986 0.2358 REMARK 3 7 2.2012 - 2.0910 0.98 2710 152 0.1896 0.2756 REMARK 3 8 2.0910 - 2.0000 0.96 2646 144 0.2038 0.2715 REMARK 3 REMARK 3 BULK SOLVENT MODELLING. REMARK 3 METHOD USED : FLAT BULK SOLVENT MODEL REMARK 3 SOLVENT RADIUS : 1.00 REMARK 3 SHRINKAGE RADIUS : 0.72 REMARK 3 K_SOL : 0.33 REMARK 3 B_SOL : 39.99 REMARK 3 REMARK 3 ERROR ESTIMATES. REMARK 3 COORDINATE ERROR (MAXIMUM-LIKELIHOOD BASED) : 0.220 REMARK 3 PHASE ERROR (DEGREES, MAXIMUM-LIKELIHOOD BASED) : 21.810 REMARK 3 REMARK 3 B VALUES. REMARK 3 FROM WILSON PLOT (A**2) : NULL REMARK 3 MEAN B VALUE (OVERALL, A**2) : NULL REMARK 3 OVERALL ANISOTROPIC B VALUE. REMARK 3 B11 (A**2) : 1.15130 REMARK 3 B22 (A**2) : 1.15130 REMARK 3 B33 (A**2) : -2.30260 REMARK 3 B12 (A**2) : 0.00000 REMARK 3 B13 (A**2) : 0.00000 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 : 0.005 2485 REMARK 3 ANGLE : 0.846 3354 REMARK 3 CHIRALITY : 0.059 348 REMARK 3 PLANARITY : 0.003 432 REMARK 3 DIHEDRAL : 13.958 930 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: NULL REMARK 4 REMARK 4 3TFP COMPLIES WITH FORMAT V. 3.30, 13-JUL-11 REMARK 100 REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY RCSB ON 18-AUG-11. REMARK 100 THE DEPOSITION ID IS D_1000067424. REMARK 200 REMARK 200 EXPERIMENTAL DETAILS REMARK 200 EXPERIMENT TYPE : X-RAY DIFFRACTION REMARK 200 DATE OF DATA COLLECTION : 15-JUL-10 REMARK 200 TEMPERATURE (KELVIN) : 100 REMARK 200 PH : 7.4 REMARK 200 NUMBER OF CRYSTALS USED : 1 REMARK 200 REMARK 200 SYNCHROTRON (Y/N) : Y REMARK 200 RADIATION SOURCE : APS REMARK 200 BEAMLINE : 21-ID-F REMARK 200 X-RAY GENERATOR MODEL : NULL REMARK 200 MONOCHROMATIC OR LAUE (M/L) : M REMARK 200 WAVELENGTH OR RANGE (A) : 0.9 REMARK 200 MONOCHROMATOR : NULL REMARK 200 OPTICS : NULL REMARK 200 REMARK 200 DETECTOR TYPE : CCD REMARK 200 DETECTOR MANUFACTURER : MARMOSAIC 225 MM CCD REMARK 200 INTENSITY-INTEGRATION SOFTWARE : NULL REMARK 200 DATA SCALING SOFTWARE : NULL REMARK 200 REMARK 200 NUMBER OF UNIQUE REFLECTIONS : 26333 REMARK 200 RESOLUTION RANGE HIGH (A) : 1.930 REMARK 200 RESOLUTION RANGE LOW (A) : 50.000 REMARK 200 REJECTION CRITERIA (SIGMA(I)) : 2.000 REMARK 200 REMARK 200 OVERALL. REMARK 200 COMPLETENESS FOR RANGE (%) : 99.9 REMARK 200 DATA REDUNDANCY : 11.30 REMARK 200 R MERGE (I) : 0.04300 REMARK 200 R SYM (I) : NULL REMARK 200 FOR THE DATA SET : 35.9000 REMARK 200 REMARK 200 IN THE HIGHEST RESOLUTION SHELL. REMARK 200 HIGHEST RESOLUTION SHELL, RANGE HIGH (A) : 1.93 REMARK 200 HIGHEST RESOLUTION SHELL, RANGE LOW (A) : 1.96 REMARK 200 COMPLETENESS FOR SHELL (%) : 99.0 REMARK 200 DATA REDUNDANCY IN SHELL : 7.70 REMARK 200 R MERGE FOR SHELL (I) : 0.69600 REMARK 200 R SYM FOR SHELL (I) : NULL REMARK 200 FOR SHELL : 2.300 REMARK 200 REMARK 200 DIFFRACTION PROTOCOL: SINGLE WAVELENGTH REMARK 200 METHOD USED TO DETERMINE THE STRUCTURE: MOLECULAR REPLACEMENT REMARK 200 SOFTWARE USED: NULL REMARK 200 STARTING MODEL: 2ZCQ REMARK 200 REMARK 200 REMARK: NULL REMARK 280 REMARK 280 CRYSTAL REMARK 280 SOLVENT CONTENT, VS (%): 50.07 REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 2.46 REMARK 280 REMARK 280 CRYSTALLIZATION CONDITIONS: 0.2M POTASSIUM SODIUM TARTRATE, 20% REMARK 280 W/V PEG 3350, PH 7.4, VAPOR DIFFUSION, HANGING DROP, TEMPERATURE REMARK 280 298K REMARK 290 REMARK 290 CRYSTALLOGRAPHIC SYMMETRY REMARK 290 SYMMETRY OPERATORS FOR SPACE GROUP: P 32 2 1 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 Y,X,-Z REMARK 290 5555 X-Y,-Y,-Z+1/3 REMARK 290 6555 -X,-X+Y,-Z+2/3 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 61.46400 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 30.73200 REMARK 290 SMTRY1 4 -0.500000 0.866025 0.000000 0.00000 REMARK 290 SMTRY2 4 0.866025 0.500000 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 0.00000 REMARK 290 SMTRY2 5 0.000000 -1.000000 0.000000 0.00000 REMARK 290 SMTRY3 5 0.000000 0.000000 -1.000000 30.73200 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 61.46400 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 SOFTWARE DETERMINED QUATERNARY STRUCTURE: MONOMERIC REMARK 350 SOFTWARE USED: PISA 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 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 ALA A -5 REMARK 465 ALA A -4 REMARK 465 ALA A -3 REMARK 465 ALA A -2 REMARK 465 ALA A -1 REMARK 465 ALA A 0 REMARK 465 HIS A 285 REMARK 465 ARG A 286 REMARK 465 ILE A 287 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 OG1 THR A 150 NE2 GLN A 152 1.59 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 82 -111.40 -106.97 REMARK 500 ALA A 134 -37.70 -137.30 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 302 MG REMARK 620 N RES CSSEQI ATOM REMARK 620 1 ASP A 48 OD1 REMARK 620 2 ASP A 48 OD2 43.9 REMARK 620 3 03L A 303 OAC 84.4 111.8 REMARK 620 4 HOH A 568 O 139.6 159.5 88.1 REMARK 620 5 HOH A 570 O 88.5 62.3 172.8 97.4 REMARK 620 N 1 2 3 4 REMARK 620 REMARK 620 COORDINATION ANGLES FOR: M RES CSSEQI METAL REMARK 620 MG A 301 MG REMARK 620 N RES CSSEQI ATOM REMARK 620 1 HOH A 401 O REMARK 620 2 HOH A 471 O 131.3 REMARK 620 3 HOH A 568 O 86.8 85.6 REMARK 620 4 HOH A 578 O 121.6 99.5 129.7 REMARK 620 N 1 2 3 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 301 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC2 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE MG A 302 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC3 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE 03L A 303 DBREF 3TFP A 1 287 UNP A9JQL9 CRTM_STAAU 1 287 SEQADV 3TFP ALA A -5 UNP A9JQL9 EXPRESSION TAG SEQADV 3TFP ALA A -4 UNP A9JQL9 EXPRESSION TAG SEQADV 3TFP ALA A -3 UNP A9JQL9 EXPRESSION TAG SEQADV 3TFP ALA A -2 UNP A9JQL9 EXPRESSION TAG SEQADV 3TFP ALA A -1 UNP A9JQL9 EXPRESSION TAG SEQADV 3TFP ALA A 0 UNP A9JQL9 EXPRESSION TAG SEQRES 1 A 293 ALA ALA ALA ALA ALA ALA MET THR MET MET ASP MET ASN SEQRES 2 A 293 PHE LYS TYR CYS HIS LYS ILE MET LYS LYS HIS SER LYS SEQRES 3 A 293 SER PHE SER TYR ALA PHE ASP LEU LEU PRO GLU ASP GLN SEQRES 4 A 293 ARG LYS ALA VAL TRP ALA ILE TYR ALA VAL CYS ARG LYS SEQRES 5 A 293 ILE ASP ASP SER ILE ASP VAL TYR GLY ASP ILE GLN PHE SEQRES 6 A 293 LEU ASN GLN ILE LYS GLU ASP ILE GLN SER ILE GLU LYS SEQRES 7 A 293 TYR PRO TYR GLU TYR HIS HIS PHE GLN SER ASP ARG ARG SEQRES 8 A 293 ILE MET MET ALA LEU GLN HIS VAL ALA GLN HIS LYS ASN SEQRES 9 A 293 ILE ALA PHE GLN SER PHE TYR ASN LEU ILE ASP THR VAL SEQRES 10 A 293 TYR LYS ASP GLN HIS PHE THR MET PHE GLU THR ASP ALA SEQRES 11 A 293 GLU LEU PHE GLY TYR CYS TYR GLY VAL ALA GLY THR VAL SEQRES 12 A 293 GLY GLU VAL LEU THR PRO ILE LEU SER ASP HIS GLU THR SEQRES 13 A 293 HIS GLN THR TYR ASP VAL ALA ARG ARG LEU GLY GLU SER SEQRES 14 A 293 LEU GLN LEU ILE ASN ILE LEU ARG ASP VAL GLY GLU ASP SEQRES 15 A 293 PHE GLU ASN GLU ARG ILE TYR PHE SER LYS GLN ARG LEU SEQRES 16 A 293 LYS GLN TYR GLU VAL ASP ILE ALA GLU VAL TYR GLN ASN SEQRES 17 A 293 GLY VAL ASN ASN HIS TYR ILE ASP LEU TRP GLU TYR TYR SEQRES 18 A 293 ALA ALA ILE ALA GLU LYS ASP PHE ARG ASP VAL MET ASP SEQRES 19 A 293 GLN ILE LYS VAL PHE SER ILE GLU ALA GLN PRO ILE ILE SEQRES 20 A 293 GLU LEU ALA ALA ARG ILE TYR ILE GLU ILE LEU ASP GLU SEQRES 21 A 293 VAL ARG GLN ALA ASN TYR THR LEU HIS GLU ARG VAL PHE SEQRES 22 A 293 VAL GLU LYS ARG LYS LYS ALA LYS LEU PHE HIS GLU ILE SEQRES 23 A 293 ASN SER LYS TYR HIS ARG ILE HET MG A 301 1 HET MG A 302 1 HET 03L A 303 29 HETNAM MG MAGNESIUM ION HETNAM 03L 2-({2-CHLORO-6-[(2,4-DICHLOROPHENYL) HETNAM 2 03L SULFANYL]BENZYL}CARBAMOYL)BENZOIC ACID FORMUL 2 MG 2(MG 2+) FORMUL 4 03L C21 H14 CL3 N O3 S FORMUL 5 HOH *181(H2 O) HELIX 1 1 THR A 2 SER A 19 1 18 HELIX 2 2 SER A 19 ASP A 27 1 9 HELIX 3 3 PRO A 30 SER A 50 1 21 HELIX 4 4 ILE A 51 VAL A 53 5 3 HELIX 5 5 ILE A 57 TYR A 73 1 17 HELIX 6 6 ASP A 83 LYS A 97 1 15 HELIX 7 7 ALA A 100 ASP A 114 1 15 HELIX 8 8 GLN A 115 PHE A 117 5 3 HELIX 9 9 THR A 122 ALA A 134 1 13 HELIX 10 10 ALA A 134 SER A 146 1 13 HELIX 11 11 THR A 150 ASP A 172 1 23 HELIX 12 12 ASP A 172 ASN A 179 1 8 HELIX 13 13 SER A 185 TYR A 192 1 8 HELIX 14 14 ASP A 195 GLY A 203 1 9 HELIX 15 15 ASN A 205 GLN A 229 1 25 HELIX 16 16 ILE A 230 PHE A 233 5 4 HELIX 17 17 ALA A 237 ALA A 258 1 22 HELIX 18 18 GLU A 269 TYR A 284 1 16 LINK OD1AASP A 48 MG MG A 302 1555 1555 2.87 LINK OD2AASP A 48 MG MG A 302 1555 1555 2.99 LINK MG MG A 301 O HOH A 401 1555 1555 2.57 LINK MG MG A 301 O HOH A 471 1555 1555 1.77 LINK MG MG A 301 O HOH A 568 1555 1555 1.98 LINK MG MG A 301 O HOH A 578 1555 1555 1.88 LINK MG MG A 302 OAC 03L A 303 1555 1555 2.76 LINK MG MG A 302 O HOH A 568 1555 1555 2.90 LINK MG MG A 302 O HOH A 570 1555 1555 2.58 SITE 1 AC1 4 HOH A 401 HOH A 471 HOH A 568 HOH A 578 SITE 1 AC2 4 ASP A 48 03L A 303 HOH A 568 HOH A 570 SITE 1 AC3 20 HIS A 18 PHE A 22 TYR A 41 CYS A 44 SITE 2 AC3 20 ARG A 45 ASP A 48 LEU A 107 VAL A 133 SITE 3 AC3 20 VAL A 137 GLY A 138 ALA A 157 GLY A 161 SITE 4 AC3 20 LEU A 164 GLN A 165 ASN A 168 MG A 302 SITE 5 AC3 20 HOH A 401 HOH A 403 HOH A 569 HOH A 572 CRYST1 80.246 80.246 92.196 90.00 90.00 120.00 P 32 2 1 6 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 0.012462 0.007195 0.000000 0.00000 SCALE2 0.000000 0.014390 0.000000 0.00000 SCALE3 0.000000 0.000000 0.010846 0.00000