HEADER TRANSFERASE/TRANSFERASE INHIBITOR 21-OCT-20 7KHG TITLE CRYSTAL STRUCTURE OF KIT KINASE DOMAIN WITH A SMALL MOLECULE TITLE 2 INHIBITOR, PLX3397 COMPND MOL_ID: 1; COMPND 2 MOLECULE: MAST/STEM CELL GROWTH FACTOR RECEPTOR KIT; COMPND 3 CHAIN: A; COMPND 4 EC: 2.7.10.1; 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 EXPRESSION_SYSTEM: ESCHERICHIA COLI; SOURCE 6 EXPRESSION_SYSTEM_TAXID: 562 KEYWDS TRANSFERASE, TYROSINE-PROTEIN KINASE, ATP-BINDING, KINASE-KINASE KEYWDS 2 INHIBITOR COMPLEX, TRANSFERASE-TRANSFERASE INHIBITOR COMPLEX EXPDTA X-RAY DIFFRACTION AUTHOR Y.ZHANG REVDAT 5 18-OCT-23 7KHG 1 REMARK REVDAT 4 29-SEP-21 7KHG 1 JRNL REVDAT 3 11-AUG-21 7KHG 1 JRNL REVDAT 2 04-AUG-21 7KHG 1 JRNL REVDAT 1 07-JUL-21 7KHG 0 JRNL AUTH A.J.WAGNER,P.L.SEVERSON,A.F.SHIELDS,A.PATNAIK,R.CHUGH, JRNL AUTH 2 G.TINOCO,G.WU,M.NESPI,J.LIN,Y.ZHANG,T.EWING,G.HABETS, JRNL AUTH 3 E.A.BURTON,B.MATUSOW,J.TSAI,G.TSANG,R.SHELLOOE,H.CARIAS, JRNL AUTH 4 K.CHAN,H.REZAEI,L.SANFTNER,A.MARIMUTHU,W.SPEVAK,P.N.IBRAHIM, JRNL AUTH 5 K.INOKUCHI,O.ALCANTAR,G.MICHELSON,A.C.TSIATIS,C.ZHANG, JRNL AUTH 6 G.BOLLAG,J.C.TRENT,W.D.TAP JRNL TITL ASSOCIATION OF COMBINATION OF CONFORMATION-SPECIFIC KIT JRNL TITL 2 INHIBITORS WITH CLINICAL BENEFIT IN PATIENTS WITH REFRACTORY JRNL TITL 3 GASTROINTESTINAL STROMAL TUMORS: A PHASE 1B/2A NONRANDOMIZED JRNL TITL 4 CLINICAL TRIAL. JRNL REF JAMA ONCOL V. 7 1343 2021 JRNL REFN ESSN 2374-2445 JRNL PMID 34236401 JRNL DOI 10.1001/JAMAONCOL.2021.2086 REMARK 2 REMARK 2 RESOLUTION. 2.15 ANGSTROMS. REMARK 3 REMARK 3 REFINEMENT. REMARK 3 PROGRAM : PHENIX 1.11.1_2575 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) : 2.15 REMARK 3 RESOLUTION RANGE LOW (ANGSTROMS) : 64.82 REMARK 3 MIN(FOBS/SIGMA_FOBS) : 1.340 REMARK 3 COMPLETENESS FOR RANGE (%) : 99.5 REMARK 3 NUMBER OF REFLECTIONS : 23250 REMARK 3 REMARK 3 FIT TO DATA USED IN REFINEMENT. REMARK 3 R VALUE (WORKING + TEST SET) : 0.184 REMARK 3 R VALUE (WORKING SET) : 0.182 REMARK 3 FREE R VALUE : 0.203 REMARK 3 FREE R VALUE TEST SET SIZE (%) : 8.600 REMARK 3 FREE R VALUE TEST SET COUNT : 2000 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 64.8230 - 5.1810 0.99 1557 146 0.1554 0.1642 REMARK 3 2 5.1810 - 4.1125 1.00 1524 144 0.1477 0.1526 REMARK 3 3 4.1125 - 3.5927 1.00 1547 145 0.1521 0.1767 REMARK 3 4 3.5927 - 3.2642 1.00 1527 144 0.1678 0.1669 REMARK 3 5 3.2642 - 3.0303 1.00 1522 144 0.1961 0.2145 REMARK 3 6 3.0303 - 2.8516 1.00 1520 142 0.2075 0.2444 REMARK 3 7 2.8516 - 2.7088 1.00 1512 143 0.2126 0.2632 REMARK 3 8 2.7088 - 2.5909 1.00 1517 142 0.2104 0.2353 REMARK 3 9 2.5909 - 2.4911 1.00 1479 140 0.2262 0.2501 REMARK 3 10 2.4911 - 2.4052 0.99 1528 144 0.2111 0.2610 REMARK 3 11 2.4052 - 2.3300 0.99 1514 142 0.2211 0.2748 REMARK 3 12 2.3300 - 2.2634 0.99 1504 142 0.2124 0.2729 REMARK 3 13 2.2634 - 2.2038 0.99 1512 143 0.2243 0.2712 REMARK 3 14 2.2038 - 2.1500 0.99 1487 139 0.2404 0.2913 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) : 0.240 REMARK 3 PHASE ERROR (DEGREES, MAXIMUM-LIKELIHOOD BASED) : 22.460 REMARK 3 REMARK 3 B VALUES. REMARK 3 FROM WILSON PLOT (A**2) : 32.53 REMARK 3 MEAN B VALUE (OVERALL, A**2) : 36.41 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 2714 REMARK 3 ANGLE : 0.883 3678 REMARK 3 CHIRALITY : 0.056 385 REMARK 3 PLANARITY : 0.006 473 REMARK 3 DIHEDRAL : 19.203 1618 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 7KHG COMPLIES WITH FORMAT V. 3.30, 13-JUL-11 REMARK 100 REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY RCSB ON 21-OCT-20. REMARK 100 THE DEPOSITION ID IS D_1000252484. REMARK 200 REMARK 200 EXPERIMENTAL DETAILS REMARK 200 EXPERIMENT TYPE : X-RAY DIFFRACTION REMARK 200 DATE OF DATA COLLECTION : 29-MAR-06 REMARK 200 TEMPERATURE (KELVIN) : 100 REMARK 200 PH : NULL REMARK 200 NUMBER OF CRYSTALS USED : 1 REMARK 200 REMARK 200 SYNCHROTRON (Y/N) : Y REMARK 200 RADIATION SOURCE : ALS REMARK 200 BEAMLINE : 8.3.1 REMARK 200 X-RAY GENERATOR MODEL : NULL REMARK 200 MONOCHROMATIC OR LAUE (M/L) : M REMARK 200 WAVELENGTH OR RANGE (A) : 1.1159 REMARK 200 MONOCHROMATOR : NULL REMARK 200 OPTICS : NULL REMARK 200 REMARK 200 DETECTOR TYPE : CCD REMARK 200 DETECTOR MANUFACTURER : ADSC QUANTUM 210 REMARK 200 INTENSITY-INTEGRATION SOFTWARE : MOSFLM REMARK 200 DATA SCALING SOFTWARE : SCALA REMARK 200 REMARK 200 NUMBER OF UNIQUE REFLECTIONS : 23250 REMARK 200 RESOLUTION RANGE HIGH (A) : 2.150 REMARK 200 RESOLUTION RANGE LOW (A) : 64.823 REMARK 200 REJECTION CRITERIA (SIGMA(I)) : NULL REMARK 200 REMARK 200 OVERALL. REMARK 200 COMPLETENESS FOR RANGE (%) : 99.6 REMARK 200 DATA REDUNDANCY : 3.600 REMARK 200 R MERGE (I) : NULL REMARK 200 R SYM (I) : 0.07100 REMARK 200 FOR THE DATA SET : 7.9000 REMARK 200 REMARK 200 IN THE HIGHEST RESOLUTION SHELL. REMARK 200 HIGHEST RESOLUTION SHELL, RANGE HIGH (A) : 2.15 REMARK 200 HIGHEST RESOLUTION SHELL, RANGE LOW (A) : 2.27 REMARK 200 COMPLETENESS FOR SHELL (%) : NULL 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: MOLREP REMARK 200 STARTING MODEL: 1T45 REMARK 200 REMARK 200 REMARK: NULL REMARK 280 REMARK 280 CRYSTAL REMARK 280 SOLVENT CONTENT, VS (%): 58.02 REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 2.93 REMARK 280 REMARK 280 CRYSTALLIZATION CONDITIONS: 1.6M AMMONIUM SULFATE, 2.0M SODIUM REMARK 280 CHLORIDE AND 0.1M BIS-TRIS, PH 6.0, VAPOR DIFFUSION, SITTING REMARK 280 DROP, TEMPERATURE 293K 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 55.56650 REMARK 290 SMTRY2 3 0.000000 1.000000 0.000000 40.98050 REMARK 290 SMTRY3 3 0.000000 0.000000 1.000000 0.00000 REMARK 290 SMTRY1 4 -1.000000 0.000000 0.000000 55.56650 REMARK 290 SMTRY2 4 0.000000 1.000000 0.000000 40.98050 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 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 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 A1248 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 MET A 542 REMARK 465 GLY A 543 REMARK 465 HIS A 544 REMARK 465 HIS A 545 REMARK 465 HIS A 546 REMARK 465 THR A 932 REMARK 465 ASN A 933 REMARK 465 HIS A 934 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 563 -143.96 -116.95 REMARK 500 SER A 692 -71.35 -52.80 REMARK 500 ASP A 759 56.75 -104.90 REMARK 500 ARG A 791 -2.92 72.07 REMARK 500 ASP A 792 41.50 -145.28 REMARK 500 ASN A 828 46.66 -109.96 REMARK 500 ASN A 828 51.92 -113.50 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 P31 A 1001 DBREF 7KHG A 542 934 PDB 7KHG 7KHG 542 934 SEQRES 1 A 335 MET GLY HIS HIS HIS HIS HIS HIS MET PRO MET TYR GLU SEQRES 2 A 335 VAL GLN TRP LYS VAL VAL GLU GLU SER ASN GLY ASN ASN SEQRES 3 A 335 TYR SER TYR ILE ASP PRO THR GLN LEU PRO TYR ASP HIS SEQRES 4 A 335 LYS TRP GLU PHE PRO ARG ASN ARG LEU SER PHE GLY LYS SEQRES 5 A 335 THR LEU GLY ALA GLY ALA PHE GLY LYS VAL VAL GLU ALA SEQRES 6 A 335 THR ALA GLN GLY LEU ILE LYS SER ASP ALA ALA MET THR SEQRES 7 A 335 VAL ALA VAL LYS MET LEU LYS PRO SER ALA HIS SER THR SEQRES 8 A 335 GLU ARG GLU ALA LEU MET SER GLU LEU LYS VAL LEU SER SEQRES 9 A 335 TYR LEU GLY ASN HIS GLU ASN ILE VAL ASN LEU LEU GLY SEQRES 10 A 335 ALA CYS THR HIS GLY GLY PRO THR LEU VAL ILE THR GLU SEQRES 11 A 335 TYR CYS CYS TYR GLY ASP LEU LEU ASN PHE LEU ARG ARG SEQRES 12 A 335 LYS ARG ASP SER PHE HIS SER SER ASP THR SER PRO ALA SEQRES 13 A 335 SER MET GLU ASP ASP GLU ASN ALA LEU ASP LEU GLU ASP SEQRES 14 A 335 LEU LEU SER PHE SER TYR GLN VAL ALA LYS GLY MET ALA SEQRES 15 A 335 PHE LEU ALA SER LYS ASN CYS ILE HIS ARG ASP LEU ALA SEQRES 16 A 335 ALA ARG ASN ILE LEU LEU THR HIS GLY ARG ILE THR LYS SEQRES 17 A 335 ILE CYS ASP PHE GLY LEU ALA ARG ASP ILE LYS ASN ASP SEQRES 18 A 335 SER ASN TYR VAL ASP LYS GLY ASN ALA ARG LEU PRO VAL SEQRES 19 A 335 LYS TRP MET ALA PRO GLU SER ILE PHE ASN SER VAL TYR SEQRES 20 A 335 THR PHE GLU SER ASP VAL TRP SER TYR GLY ILE PHE LEU SEQRES 21 A 335 TRP GLU LEU PHE SER LEU GLY SER SER PRO TYR PRO GLY SEQRES 22 A 335 MET PRO VAL ASP SER LYS PHE TYR LYS MET ILE LYS GLU SEQRES 23 A 335 GLY PHE ARG MET SER SER PRO GLU HIS ALA PRO ALA GLU SEQRES 24 A 335 MET TYR ASP ILE MET LYS THR CYS TRP ASP ALA ASP PRO SEQRES 25 A 335 ASP LYS ARG PRO THR PHE LYS GLN ILE VAL GLN ASP ILE SEQRES 26 A 335 GLU LYS GLN ILE SER GLU SER THR ASN HIS HET P31 A1001 29 HETNAM P31 5-[(5-CHLORO-1H-PYRROLO[2,3-B]PYRIDIN-3-YL)METHYL]-N- HETNAM 2 P31 {[6-(TRIFLUOROMETHYL)PYRIDIN-3-YL]METHYL}PYRIDIN-2- HETNAM 3 P31 AMINE FORMUL 2 P31 C20 H15 CL F3 N5 FORMUL 3 HOH *190(H2 O) HELIX 1 AA1 HIS A 549 TYR A 553 5 5 HELIX 2 AA2 ASP A 572 LEU A 576 5 5 HELIX 3 AA3 ASP A 579 GLU A 583 5 5 HELIX 4 AA4 HIS A 630 GLY A 648 1 19 HELIX 5 AA5 LEU A 678 LYS A 685 1 8 HELIX 6 AA6 ARG A 686 PHE A 689 5 4 HELIX 7 AA7 SER A 753 MET A 757 5 5 HELIX 8 AA8 ASP A 759 ALA A 763 5 5 HELIX 9 AA9 ASP A 765 LYS A 786 1 22 HELIX 10 AB1 ALA A 794 ARG A 796 5 3 HELIX 11 AB2 PHE A 811 ARG A 815 5 5 HELIX 12 AB3 ASP A 816 ASP A 820 5 5 HELIX 13 AB4 PRO A 832 MET A 836 5 5 HELIX 14 AB5 ALA A 837 SER A 844 1 8 HELIX 15 AB6 THR A 847 SER A 864 1 18 HELIX 16 AB7 ASP A 876 GLU A 885 1 10 HELIX 17 AB8 PRO A 896 TRP A 907 1 12 HELIX 18 AB9 ASP A 910 ARG A 914 5 5 HELIX 19 AC1 THR A 916 GLU A 930 1 15 SHEET 1 AA1 3 TYR A 568 TYR A 570 0 SHEET 2 AA1 3 LYS A 558 GLU A 562 -1 N GLU A 561 O SER A 569 SHEET 3 AA1 3 CYS A 788 ILE A 789 -1 O ILE A 789 N LYS A 558 SHEET 1 AA2 5 LEU A 589 ALA A 597 0 SHEET 2 AA2 5 GLY A 601 GLN A 609 -1 O GLU A 605 N GLY A 592 SHEET 3 AA2 5 ALA A 617 LEU A 625 -1 O VAL A 620 N ALA A 606 SHEET 4 AA2 5 LEU A 667 GLU A 671 -1 O THR A 670 N ALA A 621 SHEET 5 AA2 5 LEU A 656 CYS A 660 -1 N LEU A 657 O ILE A 669 SHEET 1 AA3 3 GLY A 676 ASP A 677 0 SHEET 2 AA3 3 ILE A 798 LEU A 800 -1 O LEU A 800 N GLY A 676 SHEET 3 AA3 3 THR A 806 ILE A 808 -1 O LYS A 807 N LEU A 799 SHEET 1 AA4 2 VAL A 824 LYS A 826 0 SHEET 2 AA4 2 ALA A 829 LEU A 831 -1 O LEU A 831 N VAL A 824 SITE 1 AC1 15 TRP A 557 ALA A 621 LYS A 623 GLU A 640 SITE 2 AC1 15 ILE A 653 VAL A 654 THR A 670 GLU A 671 SITE 3 AC1 15 CYS A 673 LEU A 783 HIS A 790 LEU A 799 SITE 4 AC1 15 ILE A 808 CYS A 809 ASP A 810 CRYST1 111.133 81.961 50.061 90.00 107.60 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 0.008998 0.000000 0.002855 0.00000 SCALE2 0.000000 0.012201 0.000000 0.00000 SCALE3 0.000000 0.000000 0.020957 0.00000