HEADER IMMUNE SYSTEM 18-MAY-13 4KSY TITLE CRYSTAL STRUCTURE OF STING IN COMPLEX WITH CGAMP COMPND MOL_ID: 1; COMPND 2 MOLECULE: STIMULATOR OF INTERFERON GENES PROTEIN; COMPND 3 CHAIN: A; COMPND 4 FRAGMENT: UNP RESIDUES 138-379; COMPND 5 SYNONYM: HSTING, ENDOPLASMIC RETICULUM INTERFERON STIMULATOR, ERIS, COMPND 6 MEDIATOR OF IRF3 ACTIVATION, HMITA, TRANSMEMBRANE PROTEIN 173; COMPND 7 ENGINEERED: YES SOURCE MOL_ID: 1; SOURCE 2 ORGANISM_SCIENTIFIC: HOMO SAPIENS; SOURCE 3 ORGANISM_COMMON: HUMAN; SOURCE 4 ORGANISM_TAXID: 9606; SOURCE 5 GENE: TMEM173, ERIS, MITA, STING; SOURCE 6 EXPRESSION_SYSTEM: ESCHERICHIA COLI; SOURCE 7 EXPRESSION_SYSTEM_TAXID: 562 KEYWDS INNATE IMMUNITY, IMMUNE SYSTEM EXPDTA X-RAY DIFFRACTION AUTHOR X.ZHANG,Z.J.CHEN,X.W.ZHANG REVDAT 6 28-FEB-24 4KSY 1 REMARK SEQADV HETSYN REVDAT 5 27-JUN-18 4KSY 1 SEQADV REVDAT 4 05-AUG-15 4KSY 1 HETSYN REVDAT 3 07-AUG-13 4KSY 1 JRNL REVDAT 2 17-JUL-13 4KSY 1 JRNL REVDAT 1 12-JUN-13 4KSY 0 JRNL AUTH X.ZHANG,H.SHI,J.WU,X.ZHANG,L.SUN,C.CHEN,Z.J.CHEN JRNL TITL CYCLIC GMP-AMP CONTAINING MIXED PHOSPHODIESTER LINKAGES IS JRNL TITL 2 AN ENDOGENOUS HIGH-AFFINITY LIGAND FOR STING. JRNL REF MOL.CELL V. 51 226 2013 JRNL REFN ISSN 1097-2765 JRNL PMID 23747010 JRNL DOI 10.1016/J.MOLCEL.2013.05.022 REMARK 2 REMARK 2 RESOLUTION. 1.88 ANGSTROMS. REMARK 3 REMARK 3 REFINEMENT. REMARK 3 PROGRAM : PHENIX (PHENIX.REFINE: 1.8.2_1309) 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) : 1.88 REMARK 3 RESOLUTION RANGE LOW (ANGSTROMS) : 29.46 REMARK 3 MIN(FOBS/SIGMA_FOBS) : 1.380 REMARK 3 COMPLETENESS FOR RANGE (%) : 99.3 REMARK 3 NUMBER OF REFLECTIONS : 19800 REMARK 3 REMARK 3 FIT TO DATA USED IN REFINEMENT. REMARK 3 R VALUE (WORKING + TEST SET) : 0.163 REMARK 3 R VALUE (WORKING SET) : 0.161 REMARK 3 FREE R VALUE : 0.182 REMARK 3 FREE R VALUE TEST SET SIZE (%) : 10.000 REMARK 3 FREE R VALUE TEST SET COUNT : 1980 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 29.4645 - 4.5291 1.00 1310 146 0.1601 0.1880 REMARK 3 2 4.5291 - 3.5969 1.00 1288 143 0.1404 0.1555 REMARK 3 3 3.5969 - 3.1428 1.00 1293 143 0.1615 0.1593 REMARK 3 4 3.1428 - 2.8557 1.00 1286 144 0.1643 0.1891 REMARK 3 5 2.8557 - 2.6512 1.00 1287 143 0.1661 0.1799 REMARK 3 6 2.6512 - 2.4950 1.00 1257 139 0.1641 0.2030 REMARK 3 7 2.4950 - 2.3701 1.00 1266 141 0.1647 0.1904 REMARK 3 8 2.3701 - 2.2669 0.99 1286 142 0.1544 0.1962 REMARK 3 9 2.2669 - 2.1797 0.99 1279 142 0.1590 0.1592 REMARK 3 10 2.1797 - 2.1045 0.99 1252 140 0.1641 0.1835 REMARK 3 11 2.1045 - 2.0387 0.99 1268 140 0.1728 0.2141 REMARK 3 12 2.0387 - 1.9805 0.99 1262 141 0.1770 0.2053 REMARK 3 13 1.9805 - 1.9283 0.99 1259 139 0.1943 0.2363 REMARK 3 14 1.9283 - 1.8813 0.97 1227 137 0.2419 0.3165 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 : NULL REMARK 3 B_SOL : NULL REMARK 3 REMARK 3 ERROR ESTIMATES. REMARK 3 COORDINATE ERROR (MAXIMUM-LIKELIHOOD BASED) : 0.180 REMARK 3 PHASE ERROR (DEGREES, MAXIMUM-LIKELIHOOD BASED) : 18.530 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) : NULL REMARK 3 B22 (A**2) : NULL REMARK 3 B33 (A**2) : NULL REMARK 3 B12 (A**2) : NULL REMARK 3 B13 (A**2) : NULL REMARK 3 B23 (A**2) : NULL 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 1565 REMARK 3 ANGLE : 1.213 2136 REMARK 3 CHIRALITY : 0.077 232 REMARK 3 PLANARITY : 0.005 276 REMARK 3 DIHEDRAL : 15.316 591 REMARK 3 REMARK 3 TLS DETAILS REMARK 3 NUMBER OF TLS GROUPS : 1 REMARK 3 TLS GROUP : 1 REMARK 3 SELECTION: ALL REMARK 3 ORIGIN FOR THE GROUP (A): 34.5257 5.8054 -18.3776 REMARK 3 T TENSOR REMARK 3 T11: 0.1783 T22: 0.2200 REMARK 3 T33: 0.2155 T12: 0.0185 REMARK 3 T13: -0.0045 T23: 0.0088 REMARK 3 L TENSOR REMARK 3 L11: 1.6120 L22: 1.9156 REMARK 3 L33: 1.5863 L12: -0.0312 REMARK 3 L13: 0.0162 L23: 0.1445 REMARK 3 S TENSOR REMARK 3 S11: -0.0428 S12: 0.0107 S13: 0.1516 REMARK 3 S21: -0.0458 S22: 0.0188 S23: 0.2426 REMARK 3 S31: 0.0446 S32: -0.2678 S33: -0.0020 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 4KSY COMPLIES WITH FORMAT V. 3.30, 13-JUL-11 REMARK 100 REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY RCSB ON 24-MAY-13. REMARK 100 THE DEPOSITION ID IS D_1000079755. REMARK 200 REMARK 200 EXPERIMENTAL DETAILS REMARK 200 EXPERIMENT TYPE : X-RAY DIFFRACTION REMARK 200 DATE OF DATA COLLECTION : 10-APR-13 REMARK 200 TEMPERATURE (KELVIN) : 100 REMARK 200 PH : 6.8 REMARK 200 NUMBER OF CRYSTALS USED : 1 REMARK 200 REMARK 200 SYNCHROTRON (Y/N) : Y REMARK 200 RADIATION SOURCE : APS REMARK 200 BEAMLINE : 19-ID REMARK 200 X-RAY GENERATOR MODEL : NULL REMARK 200 MONOCHROMATIC OR LAUE (M/L) : M REMARK 200 WAVELENGTH OR RANGE (A) : 0.97918 REMARK 200 MONOCHROMATOR : NULL REMARK 200 OPTICS : NULL REMARK 200 REMARK 200 DETECTOR TYPE : CCD REMARK 200 DETECTOR MANUFACTURER : ADSC QUANTUM 315R REMARK 200 INTENSITY-INTEGRATION SOFTWARE : HKL-2000 REMARK 200 DATA SCALING SOFTWARE : HKL-2000 REMARK 200 REMARK 200 NUMBER OF UNIQUE REFLECTIONS : 19800 REMARK 200 RESOLUTION RANGE HIGH (A) : 1.880 REMARK 200 RESOLUTION RANGE LOW (A) : 50.000 REMARK 200 REJECTION CRITERIA (SIGMA(I)) : NULL REMARK 200 REMARK 200 OVERALL. REMARK 200 COMPLETENESS FOR RANGE (%) : 99.4 REMARK 200 DATA REDUNDANCY : NULL REMARK 200 R MERGE (I) : NULL 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) : 1.88 REMARK 200 HIGHEST RESOLUTION SHELL, RANGE LOW (A) : 1.91 REMARK 200 COMPLETENESS FOR SHELL (%) : 98.6 REMARK 200 DATA REDUNDANCY IN SHELL : NULL REMARK 200 R MERGE FOR SHELL (I) : NULL REMARK 200 R SYM FOR SHELL (I) : NULL REMARK 200 FOR SHELL : NULL 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: NULL REMARK 200 REMARK 200 REMARK: NULL REMARK 280 REMARK 280 CRYSTAL REMARK 280 SOLVENT CONTENT, VS (%): 46.32 REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 2.29 REMARK 280 REMARK 280 CRYSTALLIZATION CONDITIONS: 27% PEG 3,350, 0.1 M BIS-TRIS, PH 6.8, REMARK 280 0.2 M NACL, VAPOR DIFFUSION, HANGING DROP 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 44.76100 REMARK 290 SMTRY2 3 0.000000 1.000000 0.000000 38.96350 REMARK 290 SMTRY3 3 0.000000 0.000000 1.000000 0.00000 REMARK 290 SMTRY1 4 -1.000000 0.000000 0.000000 44.76100 REMARK 290 SMTRY2 4 0.000000 1.000000 0.000000 38.96350 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: DIMERIC REMARK 350 SOFTWARE DETERMINED QUATERNARY STRUCTURE: DIMERIC REMARK 350 SOFTWARE USED: PISA REMARK 350 TOTAL BURIED SURFACE AREA: 3870 ANGSTROM**2 REMARK 350 SURFACE AREA OF THE COMPLEX: 16600 ANGSTROM**2 REMARK 350 CHANGE IN SOLVENT FREE ENERGY: -15.0 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 93.88743 REMARK 350 BIOMT2 2 0.000000 1.000000 0.000000 0.00000 REMARK 350 BIOMT3 2 0.000000 0.000000 -1.000000 -35.70815 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 HOH A 613 LIES ON A SPECIAL POSITION. 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 GLY A 138 REMARK 465 LEU A 139 REMARK 465 ALA A 140 REMARK 465 PRO A 141 REMARK 465 ALA A 142 REMARK 465 GLU A 143 REMARK 465 ILE A 144 REMARK 465 SER A 145 REMARK 465 ALA A 146 REMARK 465 VAL A 147 REMARK 465 CYS A 148 REMARK 465 GLU A 149 REMARK 465 LYS A 150 REMARK 465 GLY A 151 REMARK 465 ALA A 318 REMARK 465 ASP A 319 REMARK 465 ASP A 320 REMARK 465 SER A 321 REMARK 465 GLU A 337 REMARK 465 LYS A 338 REMARK 465 GLU A 339 REMARK 465 GLU A 340 REMARK 465 VAL A 341 REMARK 465 THR A 342 REMARK 465 VAL A 343 REMARK 465 GLY A 344 REMARK 465 SER A 345 REMARK 465 LEU A 346 REMARK 465 LYS A 347 REMARK 465 THR A 348 REMARK 465 SER A 349 REMARK 465 ALA A 350 REMARK 465 VAL A 351 REMARK 465 PRO A 352 REMARK 465 SER A 353 REMARK 465 THR A 354 REMARK 465 SER A 355 REMARK 465 THR A 356 REMARK 465 MET A 357 REMARK 465 SER A 358 REMARK 465 GLN A 359 REMARK 465 GLU A 360 REMARK 465 PRO A 361 REMARK 465 GLU A 362 REMARK 465 LEU A 363 REMARK 465 LEU A 364 REMARK 465 ILE A 365 REMARK 465 SER A 366 REMARK 465 GLY A 367 REMARK 465 MET A 368 REMARK 465 GLU A 369 REMARK 465 LYS A 370 REMARK 465 PRO A 371 REMARK 465 LEU A 372 REMARK 465 PRO A 373 REMARK 465 LEU A 374 REMARK 465 ARG A 375 REMARK 465 THR A 376 REMARK 465 ASP A 377 REMARK 465 PHE A 378 REMARK 465 SER A 379 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 TYR A 167 -70.00 -149.83 REMARK 500 ARG A 197 139.34 76.24 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 1SY A 500 DBREF 4KSY A 138 379 UNP Q86WV6 STING_HUMAN 138 379 SEQADV 4KSY ARG A 232 UNP Q86WV6 HIS 232 VARIANT SEQRES 1 A 242 GLY LEU ALA PRO ALA GLU ILE SER ALA VAL CYS GLU LYS SEQRES 2 A 242 GLY ASN PHE ASN VAL ALA HIS GLY LEU ALA TRP SER TYR SEQRES 3 A 242 TYR ILE GLY TYR LEU ARG LEU ILE LEU PRO GLU LEU GLN SEQRES 4 A 242 ALA ARG ILE ARG THR TYR ASN GLN HIS TYR ASN ASN LEU SEQRES 5 A 242 LEU ARG GLY ALA VAL SER GLN ARG LEU TYR ILE LEU LEU SEQRES 6 A 242 PRO LEU ASP CYS GLY VAL PRO ASP ASN LEU SER MET ALA SEQRES 7 A 242 ASP PRO ASN ILE ARG PHE LEU ASP LYS LEU PRO GLN GLN SEQRES 8 A 242 THR GLY ASP ARG ALA GLY ILE LYS ASP ARG VAL TYR SER SEQRES 9 A 242 ASN SER ILE TYR GLU LEU LEU GLU ASN GLY GLN ARG ALA SEQRES 10 A 242 GLY THR CYS VAL LEU GLU TYR ALA THR PRO LEU GLN THR SEQRES 11 A 242 LEU PHE ALA MET SER GLN TYR SER GLN ALA GLY PHE SER SEQRES 12 A 242 ARG GLU ASP ARG LEU GLU GLN ALA LYS LEU PHE CYS ARG SEQRES 13 A 242 THR LEU GLU ASP ILE LEU ALA ASP ALA PRO GLU SER GLN SEQRES 14 A 242 ASN ASN CYS ARG LEU ILE ALA TYR GLN GLU PRO ALA ASP SEQRES 15 A 242 ASP SER SER PHE SER LEU SER GLN GLU VAL LEU ARG HIS SEQRES 16 A 242 LEU ARG GLN GLU GLU LYS GLU GLU VAL THR VAL GLY SER SEQRES 17 A 242 LEU LYS THR SER ALA VAL PRO SER THR SER THR MET SER SEQRES 18 A 242 GLN GLU PRO GLU LEU LEU ILE SER GLY MET GLU LYS PRO SEQRES 19 A 242 LEU PRO LEU ARG THR ASP PHE SER HET 1SY A 500 45 HETNAM 1SY CGAMP HETSYN 1SY 2',3' CGAMP; C-GMP-AMP; C[G(2',5')PA(3',5')P] FORMUL 2 1SY C20 H24 N10 O13 P2 FORMUL 3 HOH *72(H2 O) HELIX 1 1 ASN A 152 GLY A 166 1 15 HELIX 2 2 TYR A 167 TYR A 186 1 20 HELIX 3 3 ASN A 211 ASP A 216 1 6 HELIX 4 4 THR A 263 TYR A 274 1 12 HELIX 5 5 SER A 275 GLY A 278 5 4 HELIX 6 6 SER A 280 ALA A 302 1 23 HELIX 7 7 SER A 324 ARG A 334 1 11 SHEET 1 A 5 ILE A 219 LYS A 224 0 SHEET 2 A 5 SER A 243 GLU A 249 -1 O ILE A 244 N ASP A 223 SHEET 3 A 5 GLN A 252 TYR A 261 -1 O ALA A 254 N LEU A 247 SHEET 4 A 5 LEU A 198 PRO A 203 1 N LEU A 201 O GLU A 260 SHEET 5 A 5 CYS A 309 TYR A 314 1 O ILE A 312 N ILE A 200 SHEET 1 B 2 GLN A 228 ARG A 232 0 SHEET 2 B 2 ILE A 235 TYR A 240 -1 O TYR A 240 N GLN A 228 SITE 1 AC1 17 SER A 162 TYR A 163 GLY A 166 TYR A 167 SITE 2 AC1 17 ARG A 232 ARG A 238 VAL A 239 TYR A 240 SITE 3 AC1 17 GLU A 260 THR A 263 PRO A 264 HOH A 601 SITE 4 AC1 17 HOH A 602 HOH A 605 HOH A 607 HOH A 615 SITE 5 AC1 17 HOH A 640 CRYST1 89.522 77.927 35.974 90.00 96.97 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 0.011170 0.000000 0.001367 0.00000 SCALE2 0.000000 0.012833 0.000000 0.00000 SCALE3 0.000000 0.000000 0.028005 0.00000