HEADER HYDROLASE 20-MAY-14 4PM6 TITLE CRYSTAL STRUCTURE OF CTX-M-14 S70G BETA-LACTAMASE AT 1.56 ANGSTROMS TITLE 2 RESOLUTION COMPND MOL_ID: 1; COMPND 2 MOLECULE: BETA-LACTAMASE CTX-M-14; COMPND 3 CHAIN: A; COMPND 4 FRAGMENT: UNP RESIDUES 29-291; COMPND 5 ENGINEERED: YES; COMPND 6 MUTATION: YES SOURCE MOL_ID: 1; SOURCE 2 ORGANISM_SCIENTIFIC: KLEBSIELLA PNEUMONIAE SUBSP. PNEUMONIAE; SOURCE 3 ORGANISM_TAXID: 1125630; SOURCE 4 STRAIN: HS11286; SOURCE 5 GENE: KPHS_P301310; SOURCE 6 EXPRESSION_SYSTEM: ESCHERICHIA COLI BL21(DE3); SOURCE 7 EXPRESSION_SYSTEM_TAXID: 469008 KEYWDS CLASS A BETA-LACTAMASE, HYDROLASE EXPDTA X-RAY DIFFRACTION AUTHOR C.J.ADAMSKI,A.M.CARDENAS,B.SANKARAN,T.PALZKILL REVDAT 6 27-SEP-23 4PM6 1 REMARK REVDAT 5 30-JUN-21 4PM6 1 AUTHOR REVDAT 4 11-DEC-19 4PM6 1 REMARK REVDAT 3 13-SEP-17 4PM6 1 SOURCE KEYWDS JRNL REMARK REVDAT 2 04-MAR-15 4PM6 1 JRNL REVDAT 1 31-DEC-14 4PM6 0 JRNL AUTH C.J.ADAMSKI,A.M.CARDENAS,N.G.BROWN,L.B.HORTON,B.SANKARAN, JRNL AUTH 2 B.V.PRASAD,H.F.GILBERT,T.PALZKILL JRNL TITL MOLECULAR BASIS FOR THE CATALYTIC SPECIFICITY OF THE CTX-M JRNL TITL 2 EXTENDED-SPECTRUM BETA-LACTAMASES. JRNL REF BIOCHEMISTRY V. 54 447 2015 JRNL REFN ISSN 0006-2960 JRNL PMID 25489790 JRNL DOI 10.1021/BI501195G REMARK 2 REMARK 2 RESOLUTION. 1.56 ANGSTROMS. REMARK 3 REMARK 3 REFINEMENT. REMARK 3 PROGRAM : PHENIX (PHENIX.REFINE: 1.8.4_1496) 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) : 1.56 REMARK 3 RESOLUTION RANGE LOW (ANGSTROMS) : 22.10 REMARK 3 MIN(FOBS/SIGMA_FOBS) : 1.960 REMARK 3 COMPLETENESS FOR RANGE (%) : 100.0 REMARK 3 NUMBER OF REFLECTIONS : 32576 REMARK 3 REMARK 3 FIT TO DATA USED IN REFINEMENT. REMARK 3 R VALUE (WORKING + TEST SET) : 0.142 REMARK 3 R VALUE (WORKING SET) : 0.141 REMARK 3 FREE R VALUE : 0.162 REMARK 3 FREE R VALUE TEST SET SIZE (%) : 5.020 REMARK 3 FREE R VALUE TEST SET COUNT : 1632 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 22.0977 - 4.3607 1.00 2638 150 0.1667 0.2004 REMARK 3 2 4.3607 - 3.4655 1.00 2649 141 0.1316 0.1408 REMARK 3 3 3.4655 - 3.0287 1.00 2672 147 0.1476 0.1252 REMARK 3 4 3.0287 - 2.7523 1.00 2664 127 0.1430 0.1588 REMARK 3 5 2.7523 - 2.5554 1.00 2659 148 0.1469 0.1592 REMARK 3 6 2.5554 - 2.4049 1.00 2627 144 0.1357 0.1404 REMARK 3 7 2.4049 - 2.2846 1.00 2617 176 0.1367 0.1585 REMARK 3 8 2.2846 - 2.1852 1.00 2650 144 0.1367 0.1461 REMARK 3 9 2.1852 - 2.1012 1.00 2644 161 0.1337 0.1584 REMARK 3 10 2.1012 - 2.0287 1.00 2676 147 0.1382 0.1686 REMARK 3 11 2.0287 - 1.9653 1.00 2619 137 0.1370 0.1760 REMARK 3 12 1.9653 - 1.9092 1.00 2666 138 0.1363 0.1500 REMARK 3 13 1.9092 - 1.8589 1.00 2677 143 0.1313 0.1687 REMARK 3 14 1.8589 - 1.8136 1.00 2634 147 0.1407 0.1835 REMARK 3 15 1.8136 - 1.7724 1.00 2684 118 0.1413 0.1749 REMARK 3 16 1.7724 - 1.7347 1.00 2642 121 0.1461 0.1821 REMARK 3 17 1.7347 - 1.7000 1.00 2668 168 0.1444 0.1895 REMARK 3 18 1.7000 - 1.6679 1.00 2656 115 0.1420 0.2270 REMARK 3 19 1.6679 - 1.6382 1.00 2672 132 0.1387 0.1933 REMARK 3 20 1.6382 - 1.6104 1.00 2697 109 0.1355 0.1996 REMARK 3 21 1.6104 - 1.5844 1.00 2622 147 0.1372 0.1575 REMARK 3 22 1.5844 - 1.5601 1.00 2684 125 0.1415 0.1589 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) : 0.120 REMARK 3 PHASE ERROR (DEGREES, MAXIMUM-LIKELIHOOD BASED) : 14.750 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 : 0.006 2003 REMARK 3 ANGLE : 1.086 2728 REMARK 3 CHIRALITY : 0.038 322 REMARK 3 PLANARITY : 0.005 357 REMARK 3 DIHEDRAL : 12.984 732 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 4PM6 COMPLIES WITH FORMAT V. 3.30, 13-JUL-11 REMARK 100 REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY RCSB ON 21-MAY-14. REMARK 100 THE DEPOSITION ID IS D_1000201664. REMARK 200 REMARK 200 EXPERIMENTAL DETAILS REMARK 200 EXPERIMENT TYPE : X-RAY DIFFRACTION REMARK 200 DATE OF DATA COLLECTION : 21-APR-14 REMARK 200 TEMPERATURE (KELVIN) : 80 REMARK 200 PH : NULL 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) : 1.5 REMARK 200 MONOCHROMATOR : NULL REMARK 200 OPTICS : NULL REMARK 200 REMARK 200 DETECTOR TYPE : IMAGE PLATE REMARK 200 DETECTOR MANUFACTURER : RIGAKU REMARK 200 INTENSITY-INTEGRATION SOFTWARE : NULL REMARK 200 DATA SCALING SOFTWARE : NULL REMARK 200 REMARK 200 NUMBER OF UNIQUE REFLECTIONS : 32576 REMARK 200 RESOLUTION RANGE HIGH (A) : 1.560 REMARK 200 RESOLUTION RANGE LOW (A) : 22.100 REMARK 200 REJECTION CRITERIA (SIGMA(I)) : NULL REMARK 200 REMARK 200 OVERALL. REMARK 200 COMPLETENESS FOR RANGE (%) : 100.0 REMARK 200 DATA REDUNDANCY : 2.000 REMARK 200 R MERGE (I) : NULL REMARK 200 R SYM (I) : NULL REMARK 200 FOR THE DATA SET : 39.4000 REMARK 200 REMARK 200 IN THE HIGHEST RESOLUTION SHELL. REMARK 200 HIGHEST RESOLUTION SHELL, RANGE HIGH (A) : NULL REMARK 200 HIGHEST RESOLUTION SHELL, RANGE LOW (A) : NULL 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: NULL REMARK 200 STARTING MODEL: 1YLT REMARK 200 REMARK 200 REMARK: NULL REMARK 280 REMARK 280 CRYSTAL REMARK 280 SOLVENT CONTENT, VS (%): 38.31 REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 1.99 REMARK 280 REMARK 280 CRYSTALLIZATION CONDITIONS: AMMONIUM SULFATE, PEG 4000, VAPOR REMARK 280 DIFFUSION, HANGING DROP, TEMPERATURE 296K 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 20.77500 REMARK 290 SMTRY2 2 0.000000 -1.000000 0.000000 0.00000 REMARK 290 SMTRY3 2 0.000000 0.000000 1.000000 43.10000 REMARK 290 SMTRY1 3 -1.000000 0.000000 0.000000 0.00000 REMARK 290 SMTRY2 3 0.000000 1.000000 0.000000 31.14000 REMARK 290 SMTRY3 3 0.000000 0.000000 -1.000000 43.10000 REMARK 290 SMTRY1 4 1.000000 0.000000 0.000000 20.77500 REMARK 290 SMTRY2 4 0.000000 -1.000000 0.000000 31.14000 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 TOTAL BURIED SURFACE AREA: 550 ANGSTROM**2 REMARK 350 SURFACE AREA OF THE COMPLEX: 10770 ANGSTROM**2 REMARK 350 CHANGE IN SOLVENT FREE ENERGY: -42.0 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 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 500 O HOH A 530 1.86 REMARK 500 O HOH A 776 O HOH A 782 1.99 REMARK 500 NE2 GLN A 25 O HOH A 401 2.04 REMARK 500 O HOH A 503 O HOH A 532 2.06 REMARK 500 O HOH A 535 O HOH A 723 2.07 REMARK 500 NE2 GLN A 89 O HOH A 402 2.08 REMARK 500 O HOH A 694 O HOH A 760 2.09 REMARK 500 O HOH A 742 O HOH A 780 2.15 REMARK 500 O HOH A 491 O HOH A 524 2.17 REMARK 500 O HOH A 449 O HOH A 791 2.19 REMARK 500 O HOH A 661 O HOH A 770 2.19 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 53 21.60 -140.86 REMARK 500 CYS A 69 -139.38 45.07 REMARK 500 VAL A 103 -133.86 -113.93 REMARK 500 SER A 220 -127.57 -103.62 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 301 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC2 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: binding site for residue SO4 A 302 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC3 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: binding site for residue SO4 A 303 REMARK 900 REMARK 900 RELATED ENTRIES REMARK 900 RELATED ID: 4PM5 RELATED DB: PDB REMARK 900 RELATED ID: 4PM7 RELATED DB: PDB REMARK 900 RELATED ID: 4PM8 RELATED DB: PDB REMARK 900 RELATED ID: 4PM9 RELATED DB: PDB REMARK 900 RELATED ID: 4PMA RELATED DB: PDB DBREF 4PM6 A 25 290 UNP G8XD06 G8XD06_KLEPH 29 291 SEQADV 4PM6 GLY A 70 UNP G8XD06 SER 73 ENGINEERED MUTATION SEQRES 1 A 263 GLN THR SER ALA VAL GLN GLN LYS LEU ALA ALA LEU GLU SEQRES 2 A 263 LYS SER SER GLY GLY ARG LEU GLY VAL ALA LEU ILE ASP SEQRES 3 A 263 THR ALA ASP ASN THR GLN VAL LEU TYR ARG GLY ASP GLU SEQRES 4 A 263 ARG PHE PRO MET CYS GLY THR SER LYS VAL MET ALA ALA SEQRES 5 A 263 ALA ALA VAL LEU LYS GLN SER GLU THR GLN LYS GLN LEU SEQRES 6 A 263 LEU ASN GLN PRO VAL GLU ILE LYS PRO ALA ASP LEU VAL SEQRES 7 A 263 ASN TYR ASN PRO ILE ALA GLU LYS HIS VAL ASN GLY THR SEQRES 8 A 263 MET THR LEU ALA GLU LEU SER ALA ALA ALA LEU GLN TYR SEQRES 9 A 263 SER ASP ASN THR ALA MET ASN LYS LEU ILE ALA GLN LEU SEQRES 10 A 263 GLY GLY PRO GLY GLY VAL THR ALA PHE ALA ARG ALA ILE SEQRES 11 A 263 GLY ASP GLU THR PHE ARG LEU ASP ARG THR GLU PRO THR SEQRES 12 A 263 LEU ASN THR ALA ILE PRO GLY ASP PRO ARG ASP THR THR SEQRES 13 A 263 THR PRO ARG ALA MET ALA GLN THR LEU ARG GLN LEU THR SEQRES 14 A 263 LEU GLY HIS ALA LEU GLY GLU THR GLN ARG ALA GLN LEU SEQRES 15 A 263 VAL THR TRP LEU LYS GLY ASN THR THR GLY ALA ALA SER SEQRES 16 A 263 ILE ARG ALA GLY LEU PRO THR SER TRP THR VAL GLY ASP SEQRES 17 A 263 LYS THR GLY SER GLY ASP TYR GLY THR THR ASN ASP ILE SEQRES 18 A 263 ALA VAL ILE TRP PRO GLN GLY ARG ALA PRO LEU VAL LEU SEQRES 19 A 263 VAL THR TYR PHE THR GLN PRO GLN GLN ASN ALA GLU SER SEQRES 20 A 263 ARG ARG ASP VAL LEU ALA SER ALA ALA ARG ILE ILE ALA SEQRES 21 A 263 GLU GLY LEU HET SO4 A 301 5 HET SO4 A 302 5 HET SO4 A 303 5 HETNAM SO4 SULFATE ION FORMUL 2 SO4 3(O4 S 2-) FORMUL 5 HOH *395(H2 O) HELIX 1 AA1 SER A 27 GLY A 41 1 15 HELIX 2 AA2 THR A 71 SER A 84 1 14 HELIX 3 AA3 GLN A 89 ASN A 92 5 4 HELIX 4 AA4 LYS A 98 LEU A 102 5 5 HELIX 5 AA5 ILE A 108 VAL A 113 5 6 HELIX 6 AA6 LEU A 119 SER A 130 1 12 HELIX 7 AA7 ASP A 131 LEU A 142 1 12 HELIX 8 AA8 GLY A 144 ILE A 155 1 12 HELIX 9 AA9 PRO A 167 THR A 171 5 5 HELIX 10 AB1 THR A 182 LEU A 195 1 14 HELIX 11 AB2 GLY A 200 GLY A 213 1 14 HELIX 12 AB3 SER A 220 LEU A 225 1 6 HELIX 13 AB4 ARG A 275 GLU A 288 1 14 SHEET 1 AA1 5 THR A 55 TYR A 60 0 SHEET 2 AA1 5 ARG A 43 ASP A 50 -1 N ASP A 50 O THR A 55 SHEET 3 AA1 5 LEU A 259 THR A 266 -1 O TYR A 264 N GLY A 45 SHEET 4 AA1 5 THR A 243 TRP A 251 -1 N ILE A 250 O LEU A 259 SHEET 5 AA1 5 THR A 230 GLY A 238 -1 N THR A 230 O TRP A 251 SHEET 1 AA2 2 PHE A 66 PRO A 67 0 SHEET 2 AA2 2 THR A 180 THR A 181 -1 O THR A 181 N PHE A 66 SHEET 1 AA3 2 PRO A 94 ILE A 97 0 SHEET 2 AA3 2 GLY A 115 THR A 118 -1 O GLY A 115 N ILE A 97 CISPEP 1 GLU A 166 PRO A 167 0 4.67 SITE 1 AC1 11 GLY A 70 LYS A 73 SER A 130 ASN A 132 SITE 2 AC1 11 LYS A 234 GLY A 236 SER A 237 HOH A 584 SITE 3 AC1 11 HOH A 611 HOH A 645 HOH A 679 SITE 1 AC2 8 ILE A 108 HIS A 112 HOH A 406 HOH A 418 SITE 2 AC2 8 HOH A 424 HOH A 441 HOH A 445 HOH A 682 SITE 1 AC3 7 ASP A 50 ALA A 52 ARG A 276 HOH A 415 SITE 2 AC3 7 HOH A 422 HOH A 462 HOH A 654 CRYST1 41.550 62.280 86.200 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 0.024067 0.000000 0.000000 0.00000 SCALE2 0.000000 0.016057 0.000000 0.00000 SCALE3 0.000000 0.000000 0.011601 0.00000