HEADER HYDROLASE 17-APR-12 4EPY TITLE DISCOVERY OF SMALL MOLECULES THAT BIND TO K-RAS AND INHIBIT SOS- TITLE 2 MEDIATED ACTIVATION COMPND MOL_ID: 1; COMPND 2 MOLECULE: GTPASE KRAS; COMPND 3 CHAIN: A; COMPND 4 SYNONYM: K-RAS 2, KI-RAS, C-K-RAS, C-KI-RAS, GTPASE KRAS, N- COMPND 5 TERMINALLY PROCESSED; COMPND 6 EC: 3.6.5.2; COMPND 7 ENGINEERED: YES; COMPND 8 MUTATION: YES SOURCE MOL_ID: 1; SOURCE 2 ORGANISM_SCIENTIFIC: HOMO SAPIENS; SOURCE 3 ORGANISM_COMMON: HUMAN; SOURCE 4 ORGANISM_TAXID: 9606; SOURCE 5 GENE: KRAS, KRAS2, RASK2; SOURCE 6 EXPRESSION_SYSTEM: ESCHERICHIA COLI; SOURCE 7 EXPRESSION_SYSTEM_TAXID: 562 KEYWDS SMALL MOLECULE COMPLEX CRYSTAL STRUCTURE, KRAS, P21, GTP-BINDING KEYWDS 2 PROTEIN, ONCOGENES, BINDER, HYDROLASE, INHIBITOR OF SOS-MEDIATED KEYWDS 3 ACTIVATION EXPDTA X-RAY DIFFRACTION AUTHOR Q.SUN,J.P.BURKE,J.PHAN,M.C.BURNS,E.T.OLEJNICZAK,A.G.WATERSON,T.LEE, AUTHOR 2 O.W.ROSSANESE,S.W.FESIK REVDAT 3 13-SEP-23 4EPY 1 REMARK SEQADV LINK REVDAT 2 25-JUL-12 4EPY 1 JRNL REVDAT 1 23-MAY-12 4EPY 0 JRNL AUTH Q.SUN,J.P.BURKE,J.PHAN,M.C.BURNS,E.T.OLEJNICZAK, JRNL AUTH 2 A.G.WATERSON,T.LEE,O.W.ROSSANESE,S.W.FESIK JRNL TITL DISCOVERY OF SMALL MOLECULES THAT BIND TO K-RAS AND INHIBIT JRNL TITL 2 SOS-MEDIATED ACTIVATION. JRNL REF ANGEW.CHEM.INT.ED.ENGL. V. 51 6140 2012 JRNL REFN ISSN 1433-7851 JRNL PMID 22566140 JRNL DOI 10.1002/ANIE.201201358 REMARK 2 REMARK 2 RESOLUTION. 1.80 ANGSTROMS. REMARK 3 REMARK 3 REFINEMENT. REMARK 3 PROGRAM : PHENIX (PHENIX.REFINE: 1.7.2_869) 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) : 1.80 REMARK 3 RESOLUTION RANGE LOW (ANGSTROMS) : 27.13 REMARK 3 MIN(FOBS/SIGMA_FOBS) : 1.340 REMARK 3 COMPLETENESS FOR RANGE (%) : 96.0 REMARK 3 NUMBER OF REFLECTIONS : 13753 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 : 0.199 REMARK 3 FREE R VALUE TEST SET SIZE (%) : 5.020 REMARK 3 FREE R VALUE TEST SET COUNT : 690 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 27.1368 - 3.0791 1.00 2871 143 0.1513 0.1685 REMARK 3 2 3.0791 - 2.4445 1.00 2705 151 0.1607 0.1997 REMARK 3 3 2.4445 - 2.1356 1.00 2709 134 0.1624 0.2199 REMARK 3 4 2.1356 - 1.9404 1.00 2665 141 0.1613 0.2117 REMARK 3 5 1.9404 - 1.8014 0.80 2113 121 0.1976 0.2559 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 : 0.86 REMARK 3 K_SOL : 0.33 REMARK 3 B_SOL : 29.30 REMARK 3 REMARK 3 ERROR ESTIMATES. REMARK 3 COORDINATE ERROR (MAXIMUM-LIKELIHOOD BASED) : 0.380 REMARK 3 PHASE ERROR (DEGREES, MAXIMUM-LIKELIHOOD BASED) : 17.130 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) : -3.19600 REMARK 3 B22 (A**2) : 2.54120 REMARK 3 B33 (A**2) : 0.65480 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 : 0.004 1440 REMARK 3 ANGLE : 0.829 1951 REMARK 3 CHIRALITY : 0.053 214 REMARK 3 PLANARITY : 0.003 247 REMARK 3 DIHEDRAL : 15.672 540 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 4EPY COMPLIES WITH FORMAT V. 3.30, 13-JUL-11 REMARK 100 REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY RCSB ON 18-APR-12. REMARK 100 THE DEPOSITION ID IS D_1000071926. REMARK 200 REMARK 200 EXPERIMENTAL DETAILS REMARK 200 EXPERIMENT TYPE : X-RAY DIFFRACTION REMARK 200 DATE OF DATA COLLECTION : 05-NOV-11 REMARK 200 TEMPERATURE (KELVIN) : 100 REMARK 200 PH : 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 : BRUKER AXS MICROSTAR REMARK 200 MONOCHROMATIC OR LAUE (M/L) : M REMARK 200 WAVELENGTH OR RANGE (A) : 1.5418 REMARK 200 MONOCHROMATOR : MONTEL CONFOCAL, MULTI-LAYER REMARK 200 MIRRORS REMARK 200 OPTICS : NULL REMARK 200 REMARK 200 DETECTOR TYPE : CCD REMARK 200 DETECTOR MANUFACTURER : BRUKER PLATINUM 135 REMARK 200 INTENSITY-INTEGRATION SOFTWARE : HKL-2000 REMARK 200 DATA SCALING SOFTWARE : HKL-2000 REMARK 200 REMARK 200 NUMBER OF UNIQUE REFLECTIONS : 13808 REMARK 200 RESOLUTION RANGE HIGH (A) : 1.800 REMARK 200 RESOLUTION RANGE LOW (A) : 27.130 REMARK 200 REJECTION CRITERIA (SIGMA(I)) : -3.000 REMARK 200 REMARK 200 OVERALL. REMARK 200 COMPLETENESS FOR RANGE (%) : 96.0 REMARK 200 DATA REDUNDANCY : NULL REMARK 200 R MERGE (I) : 0.08700 REMARK 200 R SYM (I) : NULL REMARK 200 FOR THE DATA SET : 13.8000 REMARK 200 REMARK 200 IN THE HIGHEST RESOLUTION SHELL. REMARK 200 HIGHEST RESOLUTION SHELL, RANGE HIGH (A) : 1.80 REMARK 200 HIGHEST RESOLUTION SHELL, RANGE LOW (A) : 1.83 REMARK 200 COMPLETENESS FOR SHELL (%) : 39.8 REMARK 200 DATA REDUNDANCY IN SHELL : 1.30 REMARK 200 R MERGE FOR SHELL (I) : 0.09800 REMARK 200 R SYM FOR SHELL (I) : NULL REMARK 200 FOR SHELL : 7.000 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: 4EPV REMARK 200 REMARK 200 REMARK: NULL REMARK 280 REMARK 280 CRYSTAL REMARK 280 SOLVENT CONTENT, VS (%): 35.75 REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 1.91 REMARK 280 REMARK 280 CRYSTALLIZATION CONDITIONS: 28% PEG4000, 0.1 M MMT, 0.2 M AMMONIUM REMARK 280 CHLORIDE, VAPOR DIFFUSION, SITTING DROP, TEMPERATURE 291K, PH 4 REMARK 290 REMARK 290 CRYSTALLOGRAPHIC SYMMETRY REMARK 290 SYMMETRY OPERATORS FOR SPACE GROUP: P 21 21 21 REMARK 290 REMARK 290 SYMOP SYMMETRY REMARK 290 NNNMMM OPERATOR REMARK 290 1555 X,Y,Z REMARK 290 2555 -X+1/2,-Y,Z+1/2 REMARK 290 3555 -X,Y+1/2,-Z+1/2 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 19.49100 REMARK 290 SMTRY2 2 0.000000 -1.000000 0.000000 0.00000 REMARK 290 SMTRY3 2 0.000000 0.000000 1.000000 45.83150 REMARK 290 SMTRY1 3 -1.000000 0.000000 0.000000 0.00000 REMARK 290 SMTRY2 3 0.000000 1.000000 0.000000 20.74050 REMARK 290 SMTRY3 3 0.000000 0.000000 -1.000000 45.83150 REMARK 290 SMTRY1 4 1.000000 0.000000 0.000000 19.49100 REMARK 290 SMTRY2 4 0.000000 -1.000000 0.000000 20.74050 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 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 538 O HOH A 542 1.88 REMARK 500 O HOH A 561 O HOH A 565 1.94 REMARK 500 O HOH A 376 O HOH A 465 1.95 REMARK 500 O HOH A 550 O HOH A 581 1.98 REMARK 500 O HOH A 462 O HOH A 524 1.99 REMARK 500 OE2 GLU A 91 O HOH A 507 2.00 REMARK 500 O HOH A 515 O HOH A 531 2.03 REMARK 500 OE2 GLU A 76 O HOH A 348 2.19 REMARK 500 REMARK 500 REMARK: NULL REMARK 500 REMARK 500 GEOMETRY AND STEREOCHEMISTRY REMARK 500 SUBTOPIC: CLOSE CONTACTS REMARK 500 REMARK 500 THE FOLLOWING ATOMS THAT ARE RELATED BY CRYSTALLOGRAPHIC REMARK 500 SYMMETRY ARE IN CLOSE CONTACT. AN ATOM LOCATED WITHIN 0.15 REMARK 500 ANGSTROMS OF A SYMMETRY RELATED ATOM IS ASSUMED TO BE ON A REMARK 500 SPECIAL POSITION AND IS, THEREFORE, LISTED IN REMARK 375 REMARK 500 INSTEAD OF REMARK 500. ATOMS WITH NON-BLANK ALTERNATE REMARK 500 LOCATION INDICATORS ARE NOT INCLUDED IN THE CALCULATIONS. REMARK 500 REMARK 500 DISTANCE CUTOFF: REMARK 500 2.2 ANGSTROMS FOR CONTACTS NOT INVOLVING HYDROGEN ATOMS REMARK 500 1.6 ANGSTROMS FOR CONTACTS INVOLVING HYDROGEN ATOMS REMARK 500 REMARK 500 ATM1 RES C SSEQI ATM2 RES C SSEQI SSYMOP DISTANCE REMARK 500 O HOH A 560 O HOH A 562 3545 1.77 REMARK 500 O HOH A 496 O HOH A 505 3545 1.94 REMARK 500 O HOH A 429 O HOH A 465 1655 2.06 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 LYS A 117 33.83 71.29 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 202 MG REMARK 620 N RES CSSEQI ATOM REMARK 620 1 SER A 17 OG REMARK 620 2 GDP A 201 O1B 90.3 REMARK 620 3 HOH A 304 O 93.4 169.6 REMARK 620 4 HOH A 305 O 83.6 88.8 101.3 REMARK 620 5 HOH A 314 O 87.7 88.2 82.2 170.8 REMARK 620 6 HOH A 450 O 176.5 91.6 85.2 93.5 95.3 REMARK 620 N 1 2 3 4 5 REMARK 800 REMARK 800 SITE REMARK 800 SITE_IDENTIFIER: AC1 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE GDP A 201 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC2 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE MG A 202 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC3 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE 0QY A 203 REMARK 900 REMARK 900 RELATED ENTRIES REMARK 900 RELATED ID: 4EPR RELATED DB: PDB REMARK 900 RELATED ID: 4EPT RELATED DB: PDB REMARK 900 RELATED ID: 4EPV RELATED DB: PDB REMARK 900 RELATED ID: 4EPW RELATED DB: PDB REMARK 900 RELATED ID: 4EPX RELATED DB: PDB DBREF 4EPY A 1 169 UNP P01116 RASK_HUMAN 1 169 SEQADV 4EPY GLY A 0 UNP P01116 EXPRESSION TAG SEQADV 4EPY VAL A 12 UNP P01116 GLY 12 ENGINEERED MUTATION SEQADV 4EPY SER A 118 UNP P01116 CYS 118 ENGINEERED MUTATION SEQRES 1 A 170 GLY MET THR GLU TYR LYS LEU VAL VAL VAL GLY ALA VAL SEQRES 2 A 170 GLY VAL GLY LYS SER ALA LEU THR ILE GLN LEU ILE GLN SEQRES 3 A 170 ASN HIS PHE VAL ASP GLU TYR ASP PRO THR ILE GLU ASP SEQRES 4 A 170 SER TYR ARG LYS GLN VAL VAL ILE ASP GLY GLU THR CYS SEQRES 5 A 170 LEU LEU ASP ILE LEU ASP THR ALA GLY GLN GLU GLU TYR SEQRES 6 A 170 SER ALA MET ARG ASP GLN TYR MET ARG THR GLY GLU GLY SEQRES 7 A 170 PHE LEU CYS VAL PHE ALA ILE ASN ASN THR LYS SER PHE SEQRES 8 A 170 GLU ASP ILE HIS HIS TYR ARG GLU GLN ILE LYS ARG VAL SEQRES 9 A 170 LYS ASP SER GLU ASP VAL PRO MET VAL LEU VAL GLY ASN SEQRES 10 A 170 LYS SER ASP LEU PRO SER ARG THR VAL ASP THR LYS GLN SEQRES 11 A 170 ALA GLN ASP LEU ALA ARG SER TYR GLY ILE PRO PHE ILE SEQRES 12 A 170 GLU THR SER ALA LYS THR ARG GLN GLY VAL ASP ASP ALA SEQRES 13 A 170 PHE TYR THR LEU VAL ARG GLU ILE ARG LYS HIS LYS GLU SEQRES 14 A 170 LYS HET GDP A 201 28 HET MG A 202 1 HET 0QY A 203 27 HETNAM GDP GUANOSINE-5'-DIPHOSPHATE HETNAM MG MAGNESIUM ION HETNAM 0QY N-[2-(1H-INDOL-3-YLMETHYL)-1H-BENZIMIDAZOL-5-YL]-L- HETNAM 2 0QY PROLINAMIDE FORMUL 2 GDP C10 H15 N5 O11 P2 FORMUL 3 MG MG 2+ FORMUL 4 0QY C21 H21 N5 O FORMUL 5 HOH *282(H2 O) HELIX 1 1 GLY A 15 ASN A 26 1 12 HELIX 2 2 TYR A 64 GLY A 75 1 12 HELIX 3 3 ASN A 86 ASP A 105 1 20 HELIX 4 4 ASP A 126 GLY A 138 1 13 HELIX 5 5 GLY A 151 GLU A 168 1 18 SHEET 1 A 6 ASP A 38 ILE A 46 0 SHEET 2 A 6 GLU A 49 ASP A 57 -1 O ILE A 55 N TYR A 40 SHEET 3 A 6 GLU A 3 VAL A 9 1 N LEU A 6 O LEU A 56 SHEET 4 A 6 GLY A 77 ALA A 83 1 O LEU A 79 N VAL A 9 SHEET 5 A 6 MET A 111 ASN A 116 1 O ASN A 116 N PHE A 82 SHEET 6 A 6 PHE A 141 GLU A 143 1 O ILE A 142 N LEU A 113 LINK OG SER A 17 MG MG A 202 1555 1555 2.54 LINK O1B GDP A 201 MG MG A 202 1555 1555 2.51 LINK MG MG A 202 O HOH A 304 1555 1555 2.13 LINK MG MG A 202 O HOH A 305 1555 1555 2.27 LINK MG MG A 202 O HOH A 314 1555 1555 2.26 LINK MG MG A 202 O HOH A 450 1555 1555 2.12 SITE 1 AC1 23 GLY A 13 VAL A 14 GLY A 15 LYS A 16 SITE 2 AC1 23 SER A 17 ALA A 18 PHE A 28 ASP A 30 SITE 3 AC1 23 TYR A 32 ASN A 116 LYS A 117 ASP A 119 SITE 4 AC1 23 LEU A 120 SER A 145 ALA A 146 LYS A 147 SITE 5 AC1 23 MG A 202 HOH A 310 HOH A 314 HOH A 427 SITE 6 AC1 23 HOH A 450 HOH A 514 HOH A 516 SITE 1 AC2 6 SER A 17 GDP A 201 HOH A 304 HOH A 305 SITE 2 AC2 6 HOH A 314 HOH A 450 SITE 1 AC3 13 LEU A 6 VAL A 7 GLU A 37 ASP A 38 SITE 2 AC3 13 SER A 39 ASP A 54 TYR A 71 THR A 74 SITE 3 AC3 13 HOH A 331 HOH A 333 HOH A 408 HOH A 509 SITE 4 AC3 13 HOH A 521 CRYST1 38.982 41.481 91.663 90.00 90.00 90.00 P 21 21 21 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 0.025653 0.000000 0.000000 0.00000 SCALE2 0.000000 0.024107 0.000000 0.00000 SCALE3 0.000000 0.000000 0.010910 0.00000 CONECT 124 1388 CONECT 1360 1361 1362 1363 1364 CONECT 1361 1360 1388 CONECT 1362 1360 CONECT 1363 1360 CONECT 1364 1360 1365 CONECT 1365 1364 1366 1367 1368 CONECT 1366 1365 CONECT 1367 1365 CONECT 1368 1365 1369 CONECT 1369 1368 1370 CONECT 1370 1369 1371 1372 CONECT 1371 1370 1376 CONECT 1372 1370 1373 1374 CONECT 1373 1372 CONECT 1374 1372 1375 1376 CONECT 1375 1374 CONECT 1376 1371 1374 1377 CONECT 1377 1376 1378 1387 CONECT 1378 1377 1379 CONECT 1379 1378 1380 CONECT 1380 1379 1381 1387 CONECT 1381 1380 1382 1383 CONECT 1382 1381 CONECT 1383 1381 1384 CONECT 1384 1383 1385 1386 CONECT 1385 1384 CONECT 1386 1384 1387 CONECT 1387 1377 1380 1386 CONECT 1388 124 1361 1419 1420 CONECT 1388 1429 1565 CONECT 1389 1390 CONECT 1390 1389 1391 1396 CONECT 1391 1390 1392 1395 CONECT 1392 1391 1393 CONECT 1393 1392 1394 CONECT 1394 1393 1395 CONECT 1395 1391 1394 CONECT 1396 1390 1397 CONECT 1397 1396 1398 1400 CONECT 1398 1397 1399 CONECT 1399 1398 1402 CONECT 1400 1397 1401 CONECT 1401 1400 1402 1415 CONECT 1402 1399 1401 1403 CONECT 1403 1402 1404 CONECT 1404 1403 1405 1415 CONECT 1405 1404 1406 CONECT 1406 1405 1407 1414 CONECT 1407 1406 1408 CONECT 1408 1407 1409 CONECT 1409 1408 1410 1414 CONECT 1410 1409 1411 CONECT 1411 1410 1412 CONECT 1412 1411 1413 CONECT 1413 1412 1414 CONECT 1414 1406 1409 1413 CONECT 1415 1401 1404 CONECT 1419 1388 CONECT 1420 1388 CONECT 1429 1388 CONECT 1565 1388 MASTER 285 0 3 5 6 0 12 6 1696 1 62 14 END