HEADER TRANSFERASE 05-SEP-12 4GYH TITLE STRUCTURE OF HUMAN THYMIDYLATE SYNTHASE AT HIGH SALT CONDITIONS COMPND MOL_ID: 1; COMPND 2 MOLECULE: THYMIDYLATE SYNTHASE; COMPND 3 CHAIN: A; COMPND 4 SYNONYM: TS, TSASE; COMPND 5 EC: 2.1.1.45; COMPND 6 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: TYMS, TS, OK/SW-CL.29; SOURCE 6 EXPRESSION_SYSTEM: ESCHERICHIA COLI; SOURCE 7 EXPRESSION_SYSTEM_TAXID: 562 KEYWDS METHYL TRANSFERASE, TRANSFERASE EXPDTA X-RAY DIFFRACTION AUTHOR N.BRUNN,S.DIBROV,T.HERMANN REVDAT 4 13-SEP-23 4GYH 1 REMARK SEQADV REVDAT 3 28-JAN-15 4GYH 1 JRNL REVDAT 2 24-DEC-14 4GYH 1 JRNL REVDAT 1 03-OCT-12 4GYH 0 JRNL AUTH N.D.BRUNN,S.M.DIBROV,M.B.KAO,M.GHASSEMIAN,T.HERMANN JRNL TITL ANALYSIS OF MRNA RECOGNITION BY HUMAN THYMIDYLATE SYNTHASE. JRNL REF BIOSCI.REP. V. 34 00168 2014 JRNL REFN ISSN 0144-8463 JRNL PMID 25423174 JRNL DOI 10.1042/BSR20140137 REMARK 2 REMARK 2 RESOLUTION. 3.01 ANGSTROMS. REMARK 3 REMARK 3 REFINEMENT. REMARK 3 PROGRAM : PHENIX (PHENIX.REFINE: 1.7.1_743) 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) : 3.01 REMARK 3 RESOLUTION RANGE LOW (ANGSTROMS) : 19.63 REMARK 3 MIN(FOBS/SIGMA_FOBS) : 1.340 REMARK 3 COMPLETENESS FOR RANGE (%) : 94.4 REMARK 3 NUMBER OF REFLECTIONS : 8628 REMARK 3 REMARK 3 FIT TO DATA USED IN REFINEMENT. REMARK 3 R VALUE (WORKING + TEST SET) : 0.222 REMARK 3 R VALUE (WORKING SET) : 0.215 REMARK 3 FREE R VALUE : 0.280 REMARK 3 FREE R VALUE TEST SET SIZE (%) : 10.070 REMARK 3 FREE R VALUE TEST SET COUNT : 869 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 19.6322 - 5.4282 1.00 1447 156 0.1854 0.2251 REMARK 3 2 5.4282 - 4.3236 1.00 1369 158 0.1608 0.2207 REMARK 3 3 4.3236 - 3.7815 0.99 1358 153 0.2146 0.2704 REMARK 3 4 3.7815 - 3.4378 0.72 950 107 0.3160 0.4589 REMARK 3 5 3.4378 - 3.1925 1.00 1357 156 0.2380 0.3015 REMARK 3 6 3.1925 - 3.0050 0.95 1278 139 0.3191 0.4121 REMARK 3 REMARK 3 BULK SOLVENT MODELLING. REMARK 3 METHOD USED : FLAT BULK SOLVENT MODEL REMARK 3 SOLVENT RADIUS : 1.10 REMARK 3 SHRINKAGE RADIUS : 0.83 REMARK 3 K_SOL : 0.35 REMARK 3 B_SOL : 44.32 REMARK 3 REMARK 3 ERROR ESTIMATES. REMARK 3 COORDINATE ERROR (MAXIMUM-LIKELIHOOD BASED) : 0.970 REMARK 3 PHASE ERROR (DEGREES, MAXIMUM-LIKELIHOOD BASED) : 28.900 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) : -5.39410 REMARK 3 B22 (A**2) : -5.39410 REMARK 3 B33 (A**2) : 10.78830 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 : 0.009 2188 REMARK 3 ANGLE : 1.212 2960 REMARK 3 CHIRALITY : 0.075 312 REMARK 3 PLANARITY : 0.004 382 REMARK 3 DIHEDRAL : 20.137 823 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 4GYH COMPLIES WITH FORMAT V. 3.30, 13-JUL-11 REMARK 100 REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY RCSB ON 17-SEP-12. REMARK 100 THE DEPOSITION ID IS D_1000074791. REMARK 200 REMARK 200 EXPERIMENTAL DETAILS REMARK 200 EXPERIMENT TYPE : X-RAY DIFFRACTION REMARK 200 DATE OF DATA COLLECTION : 26-OCT-11 REMARK 200 TEMPERATURE (KELVIN) : 173 REMARK 200 PH : 8.5 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 REMARK 200 MONOCHROMATIC OR LAUE (M/L) : M REMARK 200 WAVELENGTH OR RANGE (A) : 1.5418 REMARK 200 MONOCHROMATOR : SI 111 CHANNEL REMARK 200 OPTICS : NULL REMARK 200 REMARK 200 DETECTOR TYPE : IMAGE PLATE REMARK 200 DETECTOR MANUFACTURER : MAR SCANNER 345 MM PLATE REMARK 200 INTENSITY-INTEGRATION SOFTWARE : HKL-2000 REMARK 200 DATA SCALING SOFTWARE : HKL-2000 REMARK 200 REMARK 200 NUMBER OF UNIQUE REFLECTIONS : 8628 REMARK 200 RESOLUTION RANGE HIGH (A) : 3.000 REMARK 200 RESOLUTION RANGE LOW (A) : 19.600 REMARK 200 REJECTION CRITERIA (SIGMA(I)) : 1.350 REMARK 200 REMARK 200 OVERALL. REMARK 200 COMPLETENESS FOR RANGE (%) : 94.4 REMARK 200 DATA REDUNDANCY : 7.900 REMARK 200 R MERGE (I) : NULL REMARK 200 R SYM (I) : NULL REMARK 200 FOR THE DATA SET : 11.0000 REMARK 200 REMARK 200 IN THE HIGHEST RESOLUTION SHELL. REMARK 200 HIGHEST RESOLUTION SHELL, RANGE HIGH (A) : 3.00 REMARK 200 HIGHEST RESOLUTION SHELL, RANGE LOW (A) : 3.10 REMARK 200 COMPLETENESS FOR SHELL (%) : 97.6 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: PHASER REMARK 200 STARTING MODEL: 1HW4 REMARK 200 REMARK 200 REMARK: NULL REMARK 280 REMARK 280 CRYSTAL REMARK 280 SOLVENT CONTENT, VS (%): 59.69 REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 3.05 REMARK 280 REMARK 280 CRYSTALLIZATION CONDITIONS: 100MM TRIS, 1.8M AMMONIUM SULFATE, REMARK 280 20MM 2-MERCAPTOETHANOL, PH 8.5, VAPOR DIFFUSION, HANGING DROP, REMARK 280 TEMPERATURE 298K REMARK 290 REMARK 290 CRYSTALLOGRAPHIC SYMMETRY REMARK 290 SYMMETRY OPERATORS FOR SPACE GROUP: P 31 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+1/3 REMARK 290 3555 -X+Y,-X,Z+2/3 REMARK 290 4555 Y,X,-Z REMARK 290 5555 X-Y,-Y,-Z+2/3 REMARK 290 6555 -X,-X+Y,-Z+1/3 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 27.75833 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 55.51667 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 55.51667 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 27.75833 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: 4720 ANGSTROM**2 REMARK 350 SURFACE AREA OF THE COMPLEX: 22110 ANGSTROM**2 REMARK 350 CHANGE IN SOLVENT FREE ENERGY: -69.0 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 0.00000 REMARK 350 BIOMT2 2 0.000000 -1.000000 0.000000 0.00000 REMARK 350 BIOMT3 2 0.000000 0.000000 -1.000000 55.51667 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 PRO A 2 REMARK 465 VAL A 3 REMARK 465 ALA A 4 REMARK 465 GLY A 5 REMARK 465 SER A 6 REMARK 465 GLU A 7 REMARK 465 LEU A 8 REMARK 465 PRO A 9 REMARK 465 ARG A 10 REMARK 465 ARG A 11 REMARK 465 PRO A 12 REMARK 465 LEU A 13 REMARK 465 PRO A 14 REMARK 465 PRO A 15 REMARK 465 ALA A 16 REMARK 465 ALA A 17 REMARK 465 GLN A 18 REMARK 465 GLU A 19 REMARK 465 ARG A 20 REMARK 465 ASP A 21 REMARK 465 ALA A 22 REMARK 465 GLU A 23 REMARK 465 PRO A 24 REMARK 465 ARG A 25 REMARK 465 LYS A 107 REMARK 465 ILE A 108 REMARK 465 TRP A 109 REMARK 465 ASP A 110 REMARK 465 ALA A 111 REMARK 465 ASN A 112 REMARK 465 GLY A 113 REMARK 465 SER A 114 REMARK 465 ARG A 115 REMARK 465 ASP A 116 REMARK 465 PHE A 117 REMARK 465 LEU A 118 REMARK 465 ASP A 119 REMARK 465 SER A 120 REMARK 465 LEU A 121 REMARK 465 GLY A 122 REMARK 465 PHE A 123 REMARK 465 SER A 124 REMARK 465 THR A 125 REMARK 465 ARG A 126 REMARK 465 GLU A 127 REMARK 465 GLU A 128 REMARK 465 MET A 311 REMARK 465 ALA A 312 REMARK 465 VAL A 313 REMARK 465 HIS A 314 REMARK 465 HIS A 315 REMARK 465 HIS A 316 REMARK 465 HIS A 317 REMARK 465 HIS A 318 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 NH2 ARG A 185 O1 SO4 A 402 2.08 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 THR A 76 -7.98 -55.53 REMARK 500 PHE A 80 75.52 -64.88 REMARK 500 LEU A 85 -70.22 -52.93 REMARK 500 LEU A 101 -38.92 -142.89 REMARK 500 ARG A 147 -95.45 -85.04 REMARK 500 ASP A 148 -152.46 -119.20 REMARK 500 ASN A 171 75.64 -151.33 REMARK 500 PRO A 172 1.25 -66.75 REMARK 500 ARG A 175 31.10 -96.21 REMARK 500 ARG A 176 16.84 -143.99 REMARK 500 ARG A 185 -34.04 -36.94 REMARK 500 CYS A 195 151.81 -38.30 REMARK 500 THR A 234 -71.41 -38.61 REMARK 500 GLN A 270 -9.83 -58.86 REMARK 500 PHE A 291 135.53 -39.84 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 401 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC2 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE SO4 A 402 REMARK 900 REMARK 900 RELATED ENTRIES REMARK 900 RELATED ID: 4H1I RELATED DB: PDB DBREF 4GYH A 1 313 UNP P04818 TYSY_HUMAN 1 313 SEQADV 4GYH HIS A 314 UNP P04818 EXPRESSION TAG SEQADV 4GYH HIS A 315 UNP P04818 EXPRESSION TAG SEQADV 4GYH HIS A 316 UNP P04818 EXPRESSION TAG SEQADV 4GYH HIS A 317 UNP P04818 EXPRESSION TAG SEQADV 4GYH HIS A 318 UNP P04818 EXPRESSION TAG SEQRES 1 A 318 MET PRO VAL ALA GLY SER GLU LEU PRO ARG ARG PRO LEU SEQRES 2 A 318 PRO PRO ALA ALA GLN GLU ARG ASP ALA GLU PRO ARG PRO SEQRES 3 A 318 PRO HIS GLY GLU LEU GLN TYR LEU GLY GLN ILE GLN HIS SEQRES 4 A 318 ILE LEU ARG CYS GLY VAL ARG LYS ASP ASP ARG THR GLY SEQRES 5 A 318 THR GLY THR LEU SER VAL PHE GLY MET GLN ALA ARG TYR SEQRES 6 A 318 SER LEU ARG ASP GLU PHE PRO LEU LEU THR THR LYS ARG SEQRES 7 A 318 VAL PHE TRP LYS GLY VAL LEU GLU GLU LEU LEU TRP PHE SEQRES 8 A 318 ILE LYS GLY SER THR ASN ALA LYS GLU LEU SER SER LYS SEQRES 9 A 318 GLY VAL LYS ILE TRP ASP ALA ASN GLY SER ARG ASP PHE SEQRES 10 A 318 LEU ASP SER LEU GLY PHE SER THR ARG GLU GLU GLY ASP SEQRES 11 A 318 LEU GLY PRO VAL TYR GLY PHE GLN TRP ARG HIS PHE GLY SEQRES 12 A 318 ALA GLU TYR ARG ASP MET GLU SER ASP TYR SER GLY GLN SEQRES 13 A 318 GLY VAL ASP GLN LEU GLN ARG VAL ILE ASP THR ILE LYS SEQRES 14 A 318 THR ASN PRO ASP ASP ARG ARG ILE ILE MET CYS ALA TRP SEQRES 15 A 318 ASN PRO ARG ASP LEU PRO LEU MET ALA LEU PRO PRO CYS SEQRES 16 A 318 HIS ALA LEU CYS GLN PHE TYR VAL VAL ASN SER GLU LEU SEQRES 17 A 318 SER CYS GLN LEU TYR GLN ARG SER GLY ASP MET GLY LEU SEQRES 18 A 318 GLY VAL PRO PHE ASN ILE ALA SER TYR ALA LEU LEU THR SEQRES 19 A 318 TYR MET ILE ALA HIS ILE THR GLY LEU LYS PRO GLY ASP SEQRES 20 A 318 PHE ILE HIS THR LEU GLY ASP ALA HIS ILE TYR LEU ASN SEQRES 21 A 318 HIS ILE GLU PRO LEU LYS ILE GLN LEU GLN ARG GLU PRO SEQRES 22 A 318 ARG PRO PHE PRO LYS LEU ARG ILE LEU ARG LYS VAL GLU SEQRES 23 A 318 LYS ILE ASP ASP PHE LYS ALA GLU ASP PHE GLN ILE GLU SEQRES 24 A 318 GLY TYR ASN PRO HIS PRO THR ILE LYS MET GLU MET ALA SEQRES 25 A 318 VAL HIS HIS HIS HIS HIS HET SO4 A 401 5 HET SO4 A 402 5 HETNAM SO4 SULFATE ION FORMUL 2 SO4 2(O4 S 2-) HELIX 1 1 GLY A 29 GLY A 44 1 16 HELIX 2 2 PHE A 80 LYS A 93 1 14 HELIX 3 3 ALA A 98 SER A 103 1 6 HELIX 4 4 VAL A 134 HIS A 141 1 8 HELIX 5 5 ASP A 159 ASN A 171 1 13 HELIX 6 6 ASN A 183 LEU A 187 5 5 HELIX 7 7 GLY A 222 THR A 241 1 20 HELIX 8 8 HIS A 261 GLN A 270 1 10 HELIX 9 9 LYS A 292 GLU A 294 5 3 SHEET 1 A 6 VAL A 45 ASP A 48 0 SHEET 2 A 6 GLY A 54 SER A 66 -1 O THR A 55 N LYS A 47 SHEET 3 A 6 LYS A 244 TYR A 258 -1 O HIS A 250 N ALA A 63 SHEET 4 A 6 GLU A 207 ASP A 218 1 N LEU A 212 O THR A 251 SHEET 5 A 6 ALA A 197 VAL A 204 -1 N TYR A 202 O SER A 209 SHEET 6 A 6 ILE A 178 ALA A 181 -1 N ALA A 181 O ALA A 197 SHEET 1 B 2 LYS A 278 ILE A 281 0 SHEET 2 B 2 PHE A 296 GLU A 299 -1 O GLN A 297 N ARG A 280 SITE 1 AC1 4 ARG A 175 ASN A 183 ARG A 215 SER A 216 SITE 1 AC2 6 ARG A 78 ARG A 176 ARG A 185 LEU A 189 SITE 2 AC2 6 PRO A 305 THR A 306 CRYST1 96.194 96.194 83.275 90.00 90.00 120.00 P 31 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 0.010396 0.006002 0.000000 0.00000 SCALE2 0.000000 0.012004 0.000000 0.00000 SCALE3 0.000000 0.000000 0.012008 0.00000