HEADER HYDROLASE 27-NOV-18 6N6T TITLE OXA-23 MUTANT F110A/M221A LOW PH FORM COMPND MOL_ID: 1; COMPND 2 MOLECULE: BETA-LACTAMASE OXA23; COMPND 3 CHAIN: A; COMPND 4 FRAGMENT: UNP RESIDUES 31-273; COMPND 5 SYNONYM: CARBAPENEM-HYDROLYZING CLASS D BETA-LACTAMASE OXA-23, COMPND 6 CARBAPENEMASE OXA-23,CLASS D BETA-LACTAMASE,OXA-23,OXA-23 COMPND 7 CARBAPENEMASE,OXA-23 CLASS D BETA-LACTAMASE,OXA23 CARBAPENEMASE,CLASS COMPND 8 D BETA-LACTAMASE OXA-23; COMPND 9 EC: 3.5.2.6; COMPND 10 ENGINEERED: YES; COMPND 11 MUTATION: YES SOURCE MOL_ID: 1; SOURCE 2 ORGANISM_SCIENTIFIC: ACINETOBACTER BAUMANNII; SOURCE 3 ORGANISM_TAXID: 470; SOURCE 4 GENE: ARI-1, BLA(OXA-23), BLA-OXA-23, BLA-OXA-23, BLA_1, BLA_2, SOURCE 5 BLA_3, BLAOXA, BLAOXA-23, BLAOXA23, OXA-23, OXA-23, OXA23, SOURCE 6 A7M90_19440, AB719_18095, ABUW_0563, AZE33_05050, AZE33_05100, SOURCE 7 AZE33_05150, AZE33_05250, C7G90_19950, CAS83_19595, CBE85_20255, SOURCE 8 CBI29_04474, CEJ63_03230, DV997_16620, DVA79_19285, IX87_16825, SOURCE 9 IX87_21860, LV38_03424, NG19_0098, SAMEA104305208_04008, SOURCE 10 SAMEA104305242_04084, SAMEA104305271_04290, SAMEA104305299_06196, SOURCE 11 SAMEA104305318_04148, SAMEA104305341_03854, SAMEA104305343_03919, SOURCE 12 SAMEA104305351_03822, SAMEA104305385_00775; SOURCE 13 EXPRESSION_SYSTEM: ESCHERICHIA COLI; SOURCE 14 EXPRESSION_SYSTEM_TAXID: 562 KEYWDS CARBAPENEMASE, ANTIBIOTIC RESISTANCE, MUTANT, HYDROLASE EXPDTA X-RAY DIFFRACTION AUTHOR C.A.SMITH,S.B.VAKULENKO REVDAT 4 11-OCT-23 6N6T 1 REMARK REVDAT 3 13-FEB-19 6N6T 1 JRNL REVDAT 2 26-DEC-18 6N6T 1 JRNL REVDAT 1 19-DEC-18 6N6T 0 JRNL AUTH N.K.STEWART,C.A.SMITH,N.T.ANTUNES,M.TOTH,S.B.VAKULENKO JRNL TITL ROLE OF THE HYDROPHOBIC BRIDGE IN THE CARBAPENEMASE ACTIVITY JRNL TITL 2 OF CLASS D BETA-LACTAMASES. JRNL REF ANTIMICROB. AGENTS V. 63 2019 JRNL REF 2 CHEMOTHER. JRNL REFN ESSN 1098-6596 JRNL PMID 30530607 JRNL DOI 10.1128/AAC.02191-18 REMARK 2 REMARK 2 RESOLUTION. 1.25 ANGSTROMS. REMARK 3 REMARK 3 REFINEMENT. REMARK 3 PROGRAM : PHENIX 1.14_3260 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) : 1.25 REMARK 3 RESOLUTION RANGE LOW (ANGSTROMS) : 38.47 REMARK 3 MIN(FOBS/SIGMA_FOBS) : 1.390 REMARK 3 COMPLETENESS FOR RANGE (%) : 98.8 REMARK 3 NUMBER OF REFLECTIONS : 77642 REMARK 3 REMARK 3 FIT TO DATA USED IN REFINEMENT. REMARK 3 R VALUE (WORKING + TEST SET) : 0.156 REMARK 3 R VALUE (WORKING SET) : 0.154 REMARK 3 FREE R VALUE : 0.180 REMARK 3 FREE R VALUE TEST SET SIZE (%) : 4.850 REMARK 3 FREE R VALUE TEST SET COUNT : 3762 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 38.4833 - 3.7489 0.99 2995 148 0.1515 0.1678 REMARK 3 2 3.7489 - 2.9760 1.00 2871 147 0.1556 0.1854 REMARK 3 3 2.9760 - 2.5999 0.99 2800 135 0.1674 0.1997 REMARK 3 4 2.5999 - 2.3622 1.00 2802 157 0.1581 0.1912 REMARK 3 5 2.3622 - 2.1929 1.00 2800 122 0.1495 0.1694 REMARK 3 6 2.1929 - 2.0636 1.00 2823 98 0.1415 0.1593 REMARK 3 7 2.0636 - 1.9603 1.00 2796 143 0.1416 0.1567 REMARK 3 8 1.9603 - 1.8750 0.99 2729 136 0.1466 0.1825 REMARK 3 9 1.8750 - 1.8028 1.00 2753 159 0.1488 0.1572 REMARK 3 10 1.8028 - 1.7406 0.99 2715 158 0.1377 0.1701 REMARK 3 11 1.7406 - 1.6861 0.99 2706 151 0.1391 0.1607 REMARK 3 12 1.6861 - 1.6379 0.99 2724 168 0.1366 0.1732 REMARK 3 13 1.6379 - 1.5948 0.99 2739 152 0.1353 0.1602 REMARK 3 14 1.5948 - 1.5559 0.98 2698 113 0.1492 0.1786 REMARK 3 15 1.5559 - 1.5205 0.99 2741 118 0.1447 0.1730 REMARK 3 16 1.5205 - 1.4882 0.99 2725 125 0.1422 0.1608 REMARK 3 17 1.4882 - 1.4584 0.99 2731 130 0.1503 0.1792 REMARK 3 18 1.4584 - 1.4309 0.99 2730 125 0.1504 0.1833 REMARK 3 19 1.4309 - 1.4053 0.98 2701 145 0.1526 0.2031 REMARK 3 20 1.4053 - 1.3815 0.98 2690 133 0.1654 0.1832 REMARK 3 21 1.3815 - 1.3592 0.98 2680 149 0.1722 0.2170 REMARK 3 22 1.3592 - 1.3383 0.98 2661 135 0.1895 0.2124 REMARK 3 23 1.3383 - 1.3186 0.98 2698 140 0.1976 0.2358 REMARK 3 24 1.3186 - 1.3001 0.98 2629 159 0.1949 0.2025 REMARK 3 25 1.3001 - 1.2825 0.97 2656 152 0.2033 0.2553 REMARK 3 26 1.2825 - 1.2658 0.97 2642 146 0.2250 0.2157 REMARK 3 27 1.2658 - 1.2500 0.97 2645 118 0.2421 0.3007 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) : 0.110 REMARK 3 PHASE ERROR (DEGREES, MAXIMUM-LIKELIHOOD BASED) : 15.460 REMARK 3 REMARK 3 B VALUES. REMARK 3 FROM WILSON PLOT (A**2) : NULL REMARK 3 MEAN B VALUE (OVERALL, A**2) : 23.23 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 : NULL NULL REMARK 3 ANGLE : NULL NULL REMARK 3 CHIRALITY : NULL NULL REMARK 3 PLANARITY : NULL NULL REMARK 3 DIHEDRAL : NULL NULL 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 6N6T COMPLIES WITH FORMAT V. 3.30, 13-JUL-11 REMARK 100 REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY RCSB ON 27-NOV-18. REMARK 100 THE DEPOSITION ID IS D_1000238281. REMARK 200 REMARK 200 EXPERIMENTAL DETAILS REMARK 200 EXPERIMENT TYPE : X-RAY DIFFRACTION REMARK 200 DATE OF DATA COLLECTION : 13-JUN-18 REMARK 200 TEMPERATURE (KELVIN) : 100 REMARK 200 PH : 4.1 REMARK 200 NUMBER OF CRYSTALS USED : 1 REMARK 200 REMARK 200 SYNCHROTRON (Y/N) : Y REMARK 200 RADIATION SOURCE : SSRL REMARK 200 BEAMLINE : BL9-2 REMARK 200 X-RAY GENERATOR MODEL : NULL REMARK 200 MONOCHROMATIC OR LAUE (M/L) : M REMARK 200 WAVELENGTH OR RANGE (A) : 0.9795 REMARK 200 MONOCHROMATOR : LIQUID NITROGEN-COOLED DOUBLE REMARK 200 CRYSTAL SI(111) REMARK 200 OPTICS : NULL REMARK 200 REMARK 200 DETECTOR TYPE : PIXEL REMARK 200 DETECTOR MANUFACTURER : DECTRIS PILATUS 6M REMARK 200 INTENSITY-INTEGRATION SOFTWARE : XDS REMARK 200 DATA SCALING SOFTWARE : AIMLESS REMARK 200 REMARK 200 NUMBER OF UNIQUE REFLECTIONS : 77642 REMARK 200 RESOLUTION RANGE HIGH (A) : 1.250 REMARK 200 RESOLUTION RANGE LOW (A) : 38.500 REMARK 200 REJECTION CRITERIA (SIGMA(I)) : NULL REMARK 200 REMARK 200 OVERALL. REMARK 200 COMPLETENESS FOR RANGE (%) : 99.9 REMARK 200 DATA REDUNDANCY : 12.80 REMARK 200 R MERGE (I) : NULL REMARK 200 R SYM (I) : NULL REMARK 200 FOR THE DATA SET : 14.7000 REMARK 200 REMARK 200 IN THE HIGHEST RESOLUTION SHELL. REMARK 200 HIGHEST RESOLUTION SHELL, RANGE HIGH (A) : 1.25 REMARK 200 HIGHEST RESOLUTION SHELL, RANGE LOW (A) : 1.27 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: PDB ENTRY 4JF5 REMARK 200 REMARK 200 REMARK: NULL REMARK 280 REMARK 280 CRYSTAL REMARK 280 SOLVENT CONTENT, VS (%): 51.47 REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 2.53 REMARK 280 REMARK 280 CRYSTALLIZATION CONDITIONS: 0.06 M CITRIC ACID, 0.04 M BIS-TRIS REMARK 280 PROPANE, PH 4.1, 16% PEG3350, VAPOR DIFFUSION, SITTING 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 68.29050 REMARK 290 SMTRY2 3 0.000000 1.000000 0.000000 21.99550 REMARK 290 SMTRY3 3 0.000000 0.000000 -1.000000 0.00000 REMARK 290 SMTRY1 4 1.000000 0.000000 0.000000 68.29050 REMARK 290 SMTRY2 4 0.000000 -1.000000 0.000000 21.99550 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: 410 ANGSTROM**2 REMARK 350 SURFACE AREA OF THE COMPLEX: 10700 ANGSTROM**2 REMARK 350 CHANGE IN SOLVENT FREE ENERGY: 1.0 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 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 A 472 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 LYS A 104 REMARK 465 GLY A 105 REMARK 465 GLU A 106 REMARK 465 LYS A 107 REMARK 465 ARG A 108 REMARK 465 SER A 109 REMARK 465 ALA A 110 REMARK 465 THR A 111 REMARK 465 ALA A 112 REMARK 465 TRP A 113 REMARK 465 GLU A 114 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 ALA A 78 -146.65 55.01 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 FLC A 301 DBREF 6N6T A 31 273 UNP Q9L4P2 Q9L4P2_ACIBA 31 273 SEQADV 6N6T ALA A 110 UNP Q9L4P2 PHE 110 ENGINEERED MUTATION SEQADV 6N6T ALA A 221 UNP Q9L4P2 MET 221 ENGINEERED MUTATION SEQRES 1 A 243 GLN ILE VAL GLN GLY HIS ASN GLN VAL ILE HIS GLN TYR SEQRES 2 A 243 PHE ASP GLU LYS ASN THR SER GLY VAL LEU VAL ILE GLN SEQRES 3 A 243 THR ASP LYS LYS ILE ASN LEU TYR GLY ASN ALA LEU SER SEQRES 4 A 243 ARG ALA ASN THR GLU TYR VAL PRO ALA SER THR PHE LYS SEQRES 5 A 243 MET LEU ASN ALA LEU ILE GLY LEU GLU ASN GLN LYS THR SEQRES 6 A 243 ASP ILE ASN GLU ILE PHE LYS TRP LYS GLY GLU LYS ARG SEQRES 7 A 243 SER ALA THR ALA TRP GLU LYS ASP MET THR LEU GLY GLU SEQRES 8 A 243 ALA MET LYS LEU SER ALA VAL PRO VAL TYR GLN GLU LEU SEQRES 9 A 243 ALA ARG ARG ILE GLY LEU ASP LEU MET GLN LYS GLU VAL SEQRES 10 A 243 LYS ARG ILE GLY PHE GLY ASN ALA GLU ILE GLY GLN GLN SEQRES 11 A 243 VAL ASP ASN PHE TRP LEU VAL GLY PRO LEU LYS VAL THR SEQRES 12 A 243 PRO ILE GLN GLU VAL GLU PHE VAL SER GLN LEU ALA HIS SEQRES 13 A 243 THR GLN LEU PRO PHE SER GLU LYS VAL GLN ALA ASN VAL SEQRES 14 A 243 LYS ASN MET LEU LEU LEU GLU GLU SER ASN GLY TYR LYS SEQRES 15 A 243 ILE PHE GLY LYS THR GLY TRP ALA ALA ASP ILE LYS PRO SEQRES 16 A 243 GLN VAL GLY TRP LEU THR GLY TRP VAL GLU GLN PRO ASP SEQRES 17 A 243 GLY LYS ILE VAL ALA PHE ALA LEU ASN MET GLU MET ARG SEQRES 18 A 243 SER GLU MET PRO ALA SER ILE ARG ASN GLU LEU LEU MET SEQRES 19 A 243 LYS SER LEU LYS GLN LEU ASN ILE ILE HET FLC A 301 13 HETNAM FLC CITRATE ANION FORMUL 2 FLC C6 H5 O7 3- FORMUL 3 HOH *260(H2 O) HELIX 1 AA1 ASN A 37 LYS A 47 1 11 HELIX 2 AA2 ALA A 67 THR A 73 5 7 HELIX 3 AA3 PRO A 77 THR A 80 5 4 HELIX 4 AA4 PHE A 81 ASN A 92 1 12 HELIX 5 AA5 THR A 118 LYS A 124 1 7 HELIX 6 AA6 PRO A 129 GLY A 139 1 11 HELIX 7 AA7 GLY A 139 GLY A 151 1 13 HELIX 8 AA8 ASN A 163 GLY A 168 1 6 HELIX 9 AA9 THR A 173 HIS A 186 1 14 HELIX 10 AB1 SER A 192 LEU A 203 1 12 HELIX 11 AB2 SER A 257 LEU A 270 1 14 SHEET 1 AA1 7 ILE A 32 GLN A 34 0 SHEET 2 AA1 7 ILE A 61 GLY A 65 1 O ILE A 61 N VAL A 33 SHEET 3 AA1 7 GLY A 51 GLN A 56 -1 N LEU A 53 O TYR A 64 SHEET 4 AA1 7 ILE A 241 MET A 250 -1 O ASN A 247 N VAL A 52 SHEET 5 AA1 7 GLN A 226 GLU A 235 -1 N VAL A 234 O VAL A 242 SHEET 6 AA1 7 TYR A 211 ALA A 220 -1 N LYS A 212 O GLU A 235 SHEET 7 AA1 7 LEU A 204 SER A 208 -1 N GLU A 206 O ILE A 213 CISPEP 1 GLY A 168 PRO A 169 0 11.63 CISPEP 2 LYS A 224 PRO A 225 0 -7.09 SITE 1 AC1 15 ALA A 78 SER A 79 SER A 126 ALA A 127 SITE 2 AC1 15 LEU A 166 THR A 217 GLY A 218 TRP A 219 SITE 3 AC1 15 ARG A 259 HOH A 414 HOH A 424 HOH A 470 SITE 4 AC1 15 HOH A 495 HOH A 570 HOH A 575 CRYST1 136.581 43.991 46.552 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 0.007322 0.000000 0.000000 0.00000 SCALE2 0.000000 0.022732 0.000000 0.00000 SCALE3 0.000000 0.000000 0.021481 0.00000