HEADER DNA BINDING PROTEIN/INHIBITOR 30-APR-18 6D9X TITLE DISCOVERY OF POTENT 2-ARYL-6,7-DIHYDRO-5HPYRROLO[ 1,2-A]IMIDAZOLES AS TITLE 2 WDR5 WIN-SITE INHIBITORS USING FRAGMENT-BASED METHODS AND STRUCTURE- TITLE 3 BASED DESIGN COMPND MOL_ID: 1; COMPND 2 MOLECULE: WD REPEAT-CONTAINING PROTEIN 5; COMPND 3 CHAIN: A; COMPND 4 SYNONYM: BMP2-INDUCED 3-KB GENE PROTEIN; COMPND 5 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: WDR5, BIG3; SOURCE 6 EXPRESSION_SYSTEM: ESCHERICHIA COLI; SOURCE 7 EXPRESSION_SYSTEM_TAXID: 562 KEYWDS WDR5, WIN-SITE, FRAGMENT SCREENING, STRUCTURE-BASED DESIGN, MIXED- KEYWDS 2 LINEAGE LEUKEMIA, DNA BINDING PROTEIN, DNA BINDING PROTEIN-INHIBITOR KEYWDS 3 COMPLEX EXPDTA X-RAY DIFFRACTION AUTHOR J.PHAN,S.W.FESIK REVDAT 5 04-OCT-23 6D9X 1 REMARK REVDAT 4 18-DEC-19 6D9X 1 REMARK REVDAT 3 07-NOV-18 6D9X 1 JRNL REVDAT 2 31-OCT-18 6D9X 1 JRNL REVDAT 1 05-SEP-18 6D9X 0 JRNL AUTH F.WANG,K.O.JEON,J.M.SALOVICH,J.D.MACDONALD,J.ALVARADO, JRNL AUTH 2 R.D.GOGLIOTTI,J.PHAN,E.T.OLEJNICZAK,Q.SUN,S.WANG,D.CAMPER, JRNL AUTH 3 J.P.YUH,J.G.SHAW,J.SAI,O.W.ROSSANESE,W.P.TANSEY, JRNL AUTH 4 S.R.STAUFFER,S.W.FESIK JRNL TITL DISCOVERY OF POTENT 2-ARYL-6,7-DIHYDRO-5 H-PYRROLO[1,2- JRNL TITL 2 A]IMIDAZOLES AS WDR5-WIN-SITE INHIBITORS USING JRNL TITL 3 FRAGMENT-BASED METHODS AND STRUCTURE-BASED DESIGN. JRNL REF J. MED. CHEM. V. 61 5623 2018 JRNL REFN ISSN 1520-4804 JRNL PMID 29889518 JRNL DOI 10.1021/ACS.JMEDCHEM.8B00375 REMARK 2 REMARK 2 RESOLUTION. 1.83 ANGSTROMS. REMARK 3 REMARK 3 REFINEMENT. REMARK 3 PROGRAM : PHENIX DEV_1645 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 : NULL REMARK 3 REMARK 3 DATA USED IN REFINEMENT. REMARK 3 RESOLUTION RANGE HIGH (ANGSTROMS) : 1.83 REMARK 3 RESOLUTION RANGE LOW (ANGSTROMS) : 29.44 REMARK 3 MIN(FOBS/SIGMA_FOBS) : 1.350 REMARK 3 COMPLETENESS FOR RANGE (%) : 98.6 REMARK 3 NUMBER OF REFLECTIONS : 25547 REMARK 3 REMARK 3 FIT TO DATA USED IN REFINEMENT. REMARK 3 R VALUE (WORKING + TEST SET) : 0.200 REMARK 3 R VALUE (WORKING SET) : 0.198 REMARK 3 FREE R VALUE : 0.241 REMARK 3 FREE R VALUE TEST SET SIZE (%) : 4.760 REMARK 3 FREE R VALUE TEST SET COUNT : 1215 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 29.4473 - 3.7950 0.99 2858 184 0.1408 0.1802 REMARK 3 2 3.7950 - 3.0132 1.00 2789 129 0.1888 0.2593 REMARK 3 3 3.0132 - 2.6326 1.00 2752 132 0.2335 0.2681 REMARK 3 4 2.6326 - 2.3920 1.00 2697 141 0.2513 0.2706 REMARK 3 5 2.3920 - 2.2206 1.00 2703 154 0.2373 0.2713 REMARK 3 6 2.2206 - 2.0897 0.99 2695 125 0.2527 0.3503 REMARK 3 7 2.0897 - 1.9851 0.99 2675 134 0.2769 0.3263 REMARK 3 8 1.9851 - 1.8987 0.97 2630 112 0.2965 0.3789 REMARK 3 9 1.8987 - 1.8256 0.93 2533 104 0.3270 0.4094 REMARK 3 REMARK 3 BULK SOLVENT MODELLING. REMARK 3 METHOD USED : NULL 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) : 0.260 REMARK 3 PHASE ERROR (DEGREES, MAXIMUM-LIKELIHOOD BASED) : 36.150 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 2471 REMARK 3 ANGLE : 1.023 3359 REMARK 3 CHIRALITY : 0.041 376 REMARK 3 PLANARITY : 0.004 417 REMARK 3 DIHEDRAL : 12.168 876 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 6D9X COMPLIES WITH FORMAT V. 3.30, 13-JUL-11 REMARK 100 REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY RCSB ON 01-MAY-18. REMARK 100 THE DEPOSITION ID IS D_1000234234. REMARK 200 REMARK 200 EXPERIMENTAL DETAILS REMARK 200 EXPERIMENT TYPE : X-RAY DIFFRACTION REMARK 200 DATE OF DATA COLLECTION : 08-MAR-14 REMARK 200 TEMPERATURE (KELVIN) : 100 REMARK 200 PH : 6 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-G REMARK 200 X-RAY GENERATOR MODEL : NULL REMARK 200 MONOCHROMATIC OR LAUE (M/L) : M REMARK 200 WAVELENGTH OR RANGE (A) : 0.98 REMARK 200 MONOCHROMATOR : NULL REMARK 200 OPTICS : NULL REMARK 200 REMARK 200 DETECTOR TYPE : CCD REMARK 200 DETECTOR MANUFACTURER : MARMOSAIC 300 MM CCD REMARK 200 INTENSITY-INTEGRATION SOFTWARE : HKL-2000 REMARK 200 DATA SCALING SOFTWARE : SCALEPACK REMARK 200 REMARK 200 NUMBER OF UNIQUE REFLECTIONS : 25685 REMARK 200 RESOLUTION RANGE HIGH (A) : 1.830 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 (%) : 99.1 REMARK 200 DATA REDUNDANCY : 8.000 REMARK 200 R MERGE (I) : NULL REMARK 200 R SYM (I) : NULL REMARK 200 FOR THE DATA SET : 19.0000 REMARK 200 REMARK 200 IN THE HIGHEST RESOLUTION SHELL. REMARK 200 HIGHEST RESOLUTION SHELL, RANGE HIGH (A) : 1.83 REMARK 200 HIGHEST RESOLUTION SHELL, RANGE LOW (A) : 1.86 REMARK 200 COMPLETENESS FOR SHELL (%) : 93.9 REMARK 200 DATA REDUNDANCY IN SHELL : 6.50 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: 4Y7R REMARK 200 REMARK 200 REMARK: NULL REMARK 280 REMARK 280 CRYSTAL REMARK 280 SOLVENT CONTENT, VS (%): 40.00 REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 2.00 REMARK 280 REMARK 280 CRYSTALLIZATION CONDITIONS: 0.1 M BIS-TRIS PH 6.0, 0.2 M AMMONIUM REMARK 280 ACETATE, 28% TO 32% PEG3350, VAPOR DIFFUSION, HANGING DROP, REMARK 280 TEMPERATURE 293K REMARK 290 REMARK 290 CRYSTALLOGRAPHIC SYMMETRY REMARK 290 SYMMETRY OPERATORS FOR SPACE GROUP: P 21 21 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+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 40.64550 REMARK 290 SMTRY2 3 0.000000 1.000000 0.000000 43.13650 REMARK 290 SMTRY3 3 0.000000 0.000000 -1.000000 0.00000 REMARK 290 SMTRY1 4 1.000000 0.000000 0.000000 40.64550 REMARK 290 SMTRY2 4 0.000000 -1.000000 0.000000 43.13650 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 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 SER A 22 REMARK 465 ALA A 23 REMARK 465 THR A 24 REMARK 465 GLN A 25 REMARK 465 SER A 26 REMARK 465 LYS A 27 REMARK 465 PRO A 28 REMARK 465 THR A 29 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 O HOH A 681 O HOH A 682 1.88 REMARK 500 O HOH A 666 O HOH A 673 1.90 REMARK 500 OE1 GLU A 80 O HOH A 601 1.96 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 ASP A 211 -155.76 -105.41 REMARK 500 LEU A 234 36.13 -79.51 REMARK 500 ASP A 324 -60.26 -123.10 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 NA A 501 NA REMARK 620 N RES CSSEQI ATOM REMARK 620 1 SER A 218 OG REMARK 620 2 ASN A 257 OD1 89.2 REMARK 620 3 ILE A 262 O 141.1 127.1 REMARK 620 N 1 2 REMARK 800 REMARK 800 SITE REMARK 800 SITE_IDENTIFIER: AC1 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: binding site for residue NA A 501 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC2 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: binding site for residue FZM A 502 DBREF 6D9X A 22 334 UNP P61964 WDR5_HUMAN 22 334 SEQRES 1 A 313 SER ALA THR GLN SER LYS PRO THR PRO VAL LYS PRO ASN SEQRES 2 A 313 TYR ALA LEU LYS PHE THR LEU ALA GLY HIS THR LYS ALA SEQRES 3 A 313 VAL SER SER VAL LYS PHE SER PRO ASN GLY GLU TRP LEU SEQRES 4 A 313 ALA SER SER SER ALA ASP LYS LEU ILE LYS ILE TRP GLY SEQRES 5 A 313 ALA TYR ASP GLY LYS PHE GLU LYS THR ILE SER GLY HIS SEQRES 6 A 313 LYS LEU GLY ILE SER ASP VAL ALA TRP SER SER ASP SER SEQRES 7 A 313 ASN LEU LEU VAL SER ALA SER ASP ASP LYS THR LEU LYS SEQRES 8 A 313 ILE TRP ASP VAL SER SER GLY LYS CYS LEU LYS THR LEU SEQRES 9 A 313 LYS GLY HIS SER ASN TYR VAL PHE CYS CYS ASN PHE ASN SEQRES 10 A 313 PRO GLN SER ASN LEU ILE VAL SER GLY SER PHE ASP GLU SEQRES 11 A 313 SER VAL ARG ILE TRP ASP VAL LYS THR GLY LYS CYS LEU SEQRES 12 A 313 LYS THR LEU PRO ALA HIS SER ASP PRO VAL SER ALA VAL SEQRES 13 A 313 HIS PHE ASN ARG ASP GLY SER LEU ILE VAL SER SER SER SEQRES 14 A 313 TYR ASP GLY LEU CYS ARG ILE TRP ASP THR ALA SER GLY SEQRES 15 A 313 GLN CYS LEU LYS THR LEU ILE ASP ASP ASP ASN PRO PRO SEQRES 16 A 313 VAL SER PHE VAL LYS PHE SER PRO ASN GLY LYS TYR ILE SEQRES 17 A 313 LEU ALA ALA THR LEU ASP ASN THR LEU LYS LEU TRP ASP SEQRES 18 A 313 TYR SER LYS GLY LYS CYS LEU LYS THR TYR THR GLY HIS SEQRES 19 A 313 LYS ASN GLU LYS TYR CYS ILE PHE ALA ASN PHE SER VAL SEQRES 20 A 313 THR GLY GLY LYS TRP ILE VAL SER GLY SER GLU ASP ASN SEQRES 21 A 313 LEU VAL TYR ILE TRP ASN LEU GLN THR LYS GLU ILE VAL SEQRES 22 A 313 GLN LYS LEU GLN GLY HIS THR ASP VAL VAL ILE SER THR SEQRES 23 A 313 ALA CYS HIS PRO THR GLU ASN ILE ILE ALA SER ALA ALA SEQRES 24 A 313 LEU GLU ASN ASP LYS THR ILE LYS LEU TRP LYS SER ASP SEQRES 25 A 313 CYS HET NA A 501 1 HET FZM A 502 14 HETNAM NA SODIUM ION HETNAM FZM 2-PHENYL-6,7-DIHYDRO-5H-PYRROLO[1,2-A]IMIDAZOLE FORMUL 2 NA NA 1+ FORMUL 3 FZM C12 H12 N2 FORMUL 4 HOH *84(H2 O) SHEET 1 AA1 4 ALA A 36 LEU A 41 0 SHEET 2 AA1 4 ILE A 327 LYS A 331 -1 O ILE A 327 N LEU A 41 SHEET 3 AA1 4 ILE A 315 ALA A 320 -1 N SER A 318 O LYS A 328 SHEET 4 AA1 4 VAL A 304 CYS A 309 -1 N ALA A 308 O ALA A 317 SHEET 1 AA2 4 VAL A 48 PHE A 53 0 SHEET 2 AA2 4 TRP A 59 SER A 64 -1 O SER A 63 N SER A 49 SHEET 3 AA2 4 ILE A 69 GLY A 73 -1 O TRP A 72 N LEU A 60 SHEET 4 AA2 4 PHE A 79 ILE A 83 -1 O ILE A 83 N ILE A 69 SHEET 1 AA3 4 ILE A 90 TRP A 95 0 SHEET 2 AA3 4 LEU A 101 SER A 106 -1 O ALA A 105 N SER A 91 SHEET 3 AA3 4 THR A 110 ASP A 115 -1 O TRP A 114 N LEU A 102 SHEET 4 AA3 4 LYS A 120 LYS A 126 -1 O LEU A 125 N LEU A 111 SHEET 1 AA4 4 VAL A 132 PHE A 137 0 SHEET 2 AA4 4 LEU A 143 SER A 148 -1 O VAL A 145 N ASN A 136 SHEET 3 AA4 4 VAL A 153 ASP A 157 -1 O TRP A 156 N ILE A 144 SHEET 4 AA4 4 CYS A 163 LEU A 167 -1 O LEU A 164 N ILE A 155 SHEET 1 AA5 4 VAL A 174 PHE A 179 0 SHEET 2 AA5 4 LEU A 185 SER A 190 -1 O VAL A 187 N HIS A 178 SHEET 3 AA5 4 CYS A 195 ASP A 199 -1 O TRP A 198 N ILE A 186 SHEET 4 AA5 4 CYS A 205 LEU A 209 -1 O LEU A 209 N CYS A 195 SHEET 1 AA6 4 VAL A 217 PHE A 222 0 SHEET 2 AA6 4 TYR A 228 THR A 233 -1 O LEU A 230 N LYS A 221 SHEET 3 AA6 4 THR A 237 ASP A 242 -1 O TRP A 241 N ILE A 229 SHEET 4 AA6 4 LYS A 247 TYR A 252 -1 O TYR A 252 N LEU A 238 SHEET 1 AA7 4 ALA A 264 SER A 267 0 SHEET 2 AA7 4 TRP A 273 SER A 276 -1 O VAL A 275 N ASN A 265 SHEET 3 AA7 4 VAL A 283 ASN A 287 -1 O TYR A 284 N SER A 276 SHEET 4 AA7 4 ILE A 293 LEU A 297 -1 O LEU A 297 N VAL A 283 LINK OG SER A 218 NA NA A 501 1555 1555 2.58 LINK OD1 ASN A 257 NA NA A 501 1555 1555 2.75 LINK O ILE A 262 NA NA A 501 1555 1555 3.02 SITE 1 AC1 5 SER A 218 ALA A 232 ASN A 257 TYR A 260 SITE 2 AC1 5 ILE A 262 SITE 1 AC2 7 SER A 49 SER A 91 PHE A 133 SER A 175 SITE 2 AC2 7 CYS A 261 PHE A 263 ILE A 305 CRYST1 81.291 86.273 40.288 90.00 90.00 90.00 P 21 21 2 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 0.012301 0.000000 0.000000 0.00000 SCALE2 0.000000 0.011591 0.000000 0.00000 SCALE3 0.000000 0.000000 0.024821 0.00000