HEADER HYDROLASE 28-MAY-01 1J9M TITLE K38H MUTANT OF STREPTOMYCES K15 DD-TRANSPEPTIDASE COMPND MOL_ID: 1; COMPND 2 MOLECULE: DD-TRANSPEPTIDASE; COMPND 3 CHAIN: A; COMPND 4 EC: 3.4.16.4; COMPND 5 ENGINEERED: YES; COMPND 6 MUTATION: YES SOURCE MOL_ID: 1; SOURCE 2 ORGANISM_SCIENTIFIC: STREPTOMYCES SP.; SOURCE 3 ORGANISM_TAXID: 1958; SOURCE 4 STRAIN: K15; SOURCE 5 EXPRESSION_SYSTEM: STREPTOMYCES LIVIDANS TK24; SOURCE 6 EXPRESSION_SYSTEM_TAXID: 457428; SOURCE 7 EXPRESSION_SYSTEM_STRAIN: TK24 KEYWDS PENICILLIN-BINDING, DD-TRANSPEPTIDASE, SERINE PEPTIDASE, BETA- KEYWDS 2 LACTAMASE, HYDROLASE CARBOXYPEPTIDASE, HYDROLASE EXPDTA X-RAY DIFFRACTION AUTHOR E.FONZE,N.RHAZI,M.NGUYEN-DISTECHE,P.CHARLIER REVDAT 6 07-FEB-24 1J9M 1 REMARK REVDAT 5 27-OCT-21 1J9M 1 REMARK SEQADV REVDAT 4 13-JUL-11 1J9M 1 VERSN REVDAT 3 24-FEB-09 1J9M 1 VERSN REVDAT 2 31-MAY-05 1J9M 1 JRNL REMARK REVDAT 1 13-JUN-01 1J9M 0 SPRSDE 13-JUN-01 1J9M 1EQS JRNL AUTH N.RHAZI,P.CHARLIER,D.DEHARENG,D.ENGHER,M.VERMEIRE,J.M.FRERE, JRNL AUTH 2 M.NGUYEN-DISTECHE,E.FONZE JRNL TITL CATALYTIC MECHANISM OF THE STREPTOMYCES K15 JRNL TITL 2 DD-TRANSPEPTIDASE/PENICILLIN-BINDING PROTEIN PROBED BY JRNL TITL 3 SITE-DIRECTED MUTAGENESIS AND STRUCTURAL ANALYSIS. JRNL REF BIOCHEMISTRY V. 42 2895 2003 JRNL REFN ISSN 0006-2960 JRNL PMID 12627955 JRNL DOI 10.1021/BI027256X REMARK 1 REMARK 1 REFERENCE 1 REMARK 1 AUTH E.FONZE,M.VERMEIRE,M.NGUYEN-DISTECHE,R.BRASSEUR,P.CHARLIER REMARK 1 TITL THE CRYSTAL STRUCTURE OF A PENICILLOYL-SERINE TRANSFERASE OF REMARK 1 TITL 2 INTERMEDIATE PENICILLIN SENSITIVITY REMARK 1 REF J.BIOL.CHEM. V. 274 21853 1999 REMARK 1 REFN ISSN 0021-9258 REMARK 1 DOI 10.1074/JBC.274.31.21853 REMARK 1 REFERENCE 2 REMARK 1 AUTH S.ENGLEBERT,P.CHARLIER,E.FONZE,Y.TO'TH,M.VERMEIRE, REMARK 1 AUTH 2 J.VAN BEEUMEN,J.GRANDCHAMPS,K.HOFFMANN,M.LEYH-BOUILLE, REMARK 1 AUTH 3 M.NGUYEN-DISTECHE,J.-M.GHUYSEN REMARK 1 TITL CRYSTALLIZATION AND X-RAY DIFFRACTION STUDY OF THE REMARK 1 TITL 2 STREPTOMYCES K15 PENICILLIN-BINDING DD-TRANSPEPTIDASE REMARK 1 REF J.MOL.BIOL. V. 241 295 1994 REMARK 1 REFN ISSN 0022-2836 REMARK 1 DOI 10.1006/JMBI.1994.1504 REMARK 2 REMARK 2 RESOLUTION. 1.65 ANGSTROMS. REMARK 3 REMARK 3 REFINEMENT. REMARK 3 PROGRAM : X-PLOR 3.851 REMARK 3 AUTHORS : BRUNGER REMARK 3 REMARK 3 DATA USED IN REFINEMENT. REMARK 3 RESOLUTION RANGE HIGH (ANGSTROMS) : 1.65 REMARK 3 RESOLUTION RANGE LOW (ANGSTROMS) : 8.00 REMARK 3 DATA CUTOFF (SIGMA(F)) : 2.000 REMARK 3 DATA CUTOFF HIGH (ABS(F)) : 100000.000 REMARK 3 DATA CUTOFF LOW (ABS(F)) : 0.1000 REMARK 3 COMPLETENESS (WORKING+TEST) (%) : 96.9 REMARK 3 NUMBER OF REFLECTIONS : 30376 REMARK 3 REMARK 3 FIT TO DATA USED IN REFINEMENT. REMARK 3 CROSS-VALIDATION METHOD : NULL REMARK 3 FREE R VALUE TEST SET SELECTION : RANDOM REMARK 3 R VALUE (WORKING SET) : 0.218 REMARK 3 FREE R VALUE : 0.256 REMARK 3 FREE R VALUE TEST SET SIZE (%) : 5.000 REMARK 3 FREE R VALUE TEST SET COUNT : 1529 REMARK 3 ESTIMATED ERROR OF FREE R VALUE : 0.007 REMARK 3 REMARK 3 FIT IN THE HIGHEST RESOLUTION BIN. REMARK 3 TOTAL NUMBER OF BINS USED : 10 REMARK 3 BIN RESOLUTION RANGE HIGH (A) : 1.65 REMARK 3 BIN RESOLUTION RANGE LOW (A) : 1.71 REMARK 3 BIN COMPLETENESS (WORKING+TEST) (%) : 89.00 REMARK 3 REFLECTIONS IN BIN (WORKING SET) : 2618 REMARK 3 BIN R VALUE (WORKING SET) : 0.3340 REMARK 3 BIN FREE R VALUE : 0.2850 REMARK 3 BIN FREE R VALUE TEST SET SIZE (%) : 4.80 REMARK 3 BIN FREE R VALUE TEST SET COUNT : 133 REMARK 3 ESTIMATED ERROR OF BIN FREE R VALUE : 0.025 REMARK 3 REMARK 3 NUMBER OF NON-HYDROGEN ATOMS USED IN REFINEMENT. REMARK 3 PROTEIN ATOMS : 1894 REMARK 3 NUCLEIC ACID ATOMS : 0 REMARK 3 HETEROGEN ATOMS : 2 REMARK 3 SOLVENT ATOMS : 197 REMARK 3 REMARK 3 B VALUES. REMARK 3 FROM WILSON PLOT (A**2) : 17.10 REMARK 3 MEAN B VALUE (OVERALL, A**2) : 15.00 REMARK 3 OVERALL ANISOTROPIC B VALUE. REMARK 3 B11 (A**2) : 0.00000 REMARK 3 B22 (A**2) : 0.00000 REMARK 3 B33 (A**2) : 0.00000 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 ESTIMATED COORDINATE ERROR. REMARK 3 ESD FROM LUZZATI PLOT (A) : 0.20 REMARK 3 ESD FROM SIGMAA (A) : 0.17 REMARK 3 LOW RESOLUTION CUTOFF (A) : 5.00 REMARK 3 REMARK 3 CROSS-VALIDATED ESTIMATED COORDINATE ERROR. REMARK 3 ESD FROM C-V LUZZATI PLOT (A) : 0.23 REMARK 3 ESD FROM C-V SIGMAA (A) : 0.12 REMARK 3 REMARK 3 RMS DEVIATIONS FROM IDEAL VALUES. REMARK 3 BOND LENGTHS (A) : 0.007 REMARK 3 BOND ANGLES (DEGREES) : 1.200 REMARK 3 DIHEDRAL ANGLES (DEGREES) : 24.60 REMARK 3 IMPROPER ANGLES (DEGREES) : 0.660 REMARK 3 REMARK 3 ISOTROPIC THERMAL MODEL : RESTRAINED REMARK 3 REMARK 3 ISOTROPIC THERMAL FACTOR RESTRAINTS. RMS SIGMA REMARK 3 MAIN-CHAIN BOND (A**2) : 1.060 ; 1.500 REMARK 3 MAIN-CHAIN ANGLE (A**2) : 1.620 ; 2.000 REMARK 3 SIDE-CHAIN BOND (A**2) : 2.170 ; 2.000 REMARK 3 SIDE-CHAIN ANGLE (A**2) : 3.260 ; 2.500 REMARK 3 REMARK 3 NCS MODEL : NULL REMARK 3 REMARK 3 NCS RESTRAINTS. RMS SIGMA/WEIGHT REMARK 3 GROUP 1 POSITIONAL (A) : NULL ; NULL REMARK 3 GROUP 1 B-FACTOR (A**2) : NULL ; NULL REMARK 3 REMARK 3 PARAMETER FILE 1 : NULL REMARK 3 TOPOLOGY FILE 1 : NULL REMARK 3 REMARK 3 OTHER REFINEMENT REMARKS: THE ELECTRON DENSITY FOR RESIDUES ILE REMARK 3 145, GLY 146 AND ASN 147 IS NOT WELL-DEFINED. THOSE RESIDUES REMARK 3 WERE EXCLUDED FROM THE REFINEMENT PROCESS. REMARK 4 REMARK 4 1J9M COMPLIES WITH FORMAT V. 3.30, 13-JUL-11 REMARK 100 REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY RCSB ON 07-JUN-01. REMARK 100 THE DEPOSITION ID IS D_1000013532. REMARK 200 REMARK 200 EXPERIMENTAL DETAILS REMARK 200 EXPERIMENT TYPE : X-RAY DIFFRACTION REMARK 200 DATE OF DATA COLLECTION : 05-JUN-99 REMARK 200 TEMPERATURE (KELVIN) : 100 REMARK 200 PH : 7.2 REMARK 200 NUMBER OF CRYSTALS USED : 1 REMARK 200 REMARK 200 SYNCHROTRON (Y/N) : Y REMARK 200 RADIATION SOURCE : ESRF REMARK 200 BEAMLINE : ID14-3 REMARK 200 X-RAY GENERATOR MODEL : NULL REMARK 200 MONOCHROMATIC OR LAUE (M/L) : M REMARK 200 WAVELENGTH OR RANGE (A) : 0.933 REMARK 200 MONOCHROMATOR : NULL REMARK 200 OPTICS : NULL REMARK 200 REMARK 200 DETECTOR TYPE : CCD REMARK 200 DETECTOR MANUFACTURER : MARRESEARCH REMARK 200 INTENSITY-INTEGRATION SOFTWARE : XDS REMARK 200 DATA SCALING SOFTWARE : XDS REMARK 200 REMARK 200 NUMBER OF UNIQUE REFLECTIONS : 34332 REMARK 200 RESOLUTION RANGE HIGH (A) : 1.560 REMARK 200 RESOLUTION RANGE LOW (A) : 34.710 REMARK 200 REJECTION CRITERIA (SIGMA(I)) : 0.000 REMARK 200 REMARK 200 OVERALL. REMARK 200 COMPLETENESS FOR RANGE (%) : 85.9 REMARK 200 DATA REDUNDANCY : 3.700 REMARK 200 R MERGE (I) : 0.03800 REMARK 200 R SYM (I) : NULL REMARK 200 FOR THE DATA SET : 19.1300 REMARK 200 REMARK 200 IN THE HIGHEST RESOLUTION SHELL. REMARK 200 HIGHEST RESOLUTION SHELL, RANGE HIGH (A) : 1.56 REMARK 200 HIGHEST RESOLUTION SHELL, RANGE LOW (A) : 1.60 REMARK 200 COMPLETENESS FOR SHELL (%) : 39.7 REMARK 200 DATA REDUNDANCY IN SHELL : 1.80 REMARK 200 R MERGE FOR SHELL (I) : 0.13900 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: AMORE REMARK 200 STARTING MODEL: NULL REMARK 200 REMARK 200 REMARK: NULL REMARK 280 REMARK 280 CRYSTAL REMARK 280 SOLVENT CONTENT, VS (%): 47.12 REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 2.33 REMARK 280 REMARK 280 CRYSTALLIZATION CONDITIONS: TRIS 0.1 M, PEG 6K 30%, NACL 0.4 M, PH REMARK 280 7.2, VAPOR DIFFUSION, HANGING DROP, TEMPERATURE 293K 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 22.79800 REMARK 290 SMTRY2 2 0.000000 -1.000000 0.000000 0.00000 REMARK 290 SMTRY3 2 0.000000 0.000000 1.000000 52.34500 REMARK 290 SMTRY1 3 -1.000000 0.000000 0.000000 0.00000 REMARK 290 SMTRY2 3 0.000000 1.000000 0.000000 26.81900 REMARK 290 SMTRY3 3 0.000000 0.000000 -1.000000 52.34500 REMARK 290 SMTRY1 4 1.000000 0.000000 0.000000 22.79800 REMARK 290 SMTRY2 4 0.000000 -1.000000 0.000000 26.81900 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 300 REMARK: THE BIOLOGICAL ASSEMBLY IS A MONOMER 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 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 VAL A 1 REMARK 465 THR A 2 REMARK 465 ILE A 145 REMARK 465 GLY A 146 REMARK 465 ASN A 147 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 25 101.09 -161.18 REMARK 500 SER A 152 -168.96 -162.07 REMARK 500 VAL A 212 -54.85 -127.10 REMARK 500 LYS A 221 -147.53 63.83 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 NA A 600 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC2 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE CL A 601 REMARK 900 REMARK 900 RELATED ENTRIES REMARK 900 RELATED ID: 1SKF RELATED DB: PDB REMARK 900 1SKF CONTAINS THE WILD TYPE ENZYME DBREF 1J9M A 1 262 UNP P39042 DACX_STRSK 30 291 SEQADV 1J9M HIS A 38 UNP P39042 LYS 67 ENGINEERED MUTATION SEQADV 1J9M ASN A 71 UNP P39042 LYS 100 CONFLICT SEQADV 1J9M ALA A 72 UNP P39042 PRO 101 CONFLICT SEQADV 1J9M THR A 113 UNP P39042 GLN 142 CONFLICT SEQADV 1J9M ARG A 114 UNP P39042 ALA 143 CONFLICT SEQADV 1J9M ASP A 156 UNP P39042 HIS 185 CONFLICT SEQRES 1 A 262 VAL THR LYS PRO THR ILE ALA ALA VAL GLY GLY TYR ALA SEQRES 2 A 262 MET ASN ASN GLY THR GLY THR THR LEU TYR THR LYS ALA SEQRES 3 A 262 ALA ASP THR ARG ARG SER THR GLY SER THR THR HIS ILE SEQRES 4 A 262 MET THR ALA LYS VAL VAL LEU ALA GLN SER ASN LEU ASN SEQRES 5 A 262 LEU ASP ALA LYS VAL THR ILE GLN LYS ALA TYR SER ASP SEQRES 6 A 262 TYR VAL VAL ALA ASN ASN ALA SER GLN ALA HIS LEU ILE SEQRES 7 A 262 VAL GLY ASP LYS VAL THR VAL ARG GLN LEU LEU TYR GLY SEQRES 8 A 262 LEU MET LEU PRO SER GLY CYS ASP ALA ALA TYR ALA LEU SEQRES 9 A 262 ALA ASP LYS TYR GLY SER GLY SER THR ARG ALA ALA ARG SEQRES 10 A 262 VAL LYS SER PHE ILE GLY LYS MET ASN THR ALA ALA THR SEQRES 11 A 262 ASN LEU GLY LEU HIS ASN THR HIS PHE ASP SER PHE ASP SEQRES 12 A 262 GLY ILE GLY ASN GLY ALA ASN TYR SER THR PRO ARG ASP SEQRES 13 A 262 LEU THR LYS ILE ALA SER SER ALA MET LYS ASN SER THR SEQRES 14 A 262 PHE ARG THR VAL VAL LYS THR LYS ALA TYR THR ALA LYS SEQRES 15 A 262 THR VAL THR LYS THR GLY SER ILE ARG THR MET ASP THR SEQRES 16 A 262 TRP LYS ASN THR ASN GLY LEU LEU SER SER TYR SER GLY SEQRES 17 A 262 ALA ILE GLY VAL LYS THR GLY SER GLY PRO GLU ALA LYS SEQRES 18 A 262 TYR CYS LEU VAL PHE ALA ALA THR ARG GLY GLY LYS THR SEQRES 19 A 262 VAL ILE GLY THR VAL LEU ALA SER THR SER ILE PRO ALA SEQRES 20 A 262 ARG GLU SER ASP ALA THR LYS ILE MET ASN TYR GLY PHE SEQRES 21 A 262 ALA LEU HET NA A 600 1 HET CL A 601 1 HETNAM NA SODIUM ION HETNAM CL CHLORIDE ION FORMUL 2 NA NA 1+ FORMUL 3 CL CL 1- FORMUL 4 HOH *197(H2 O) HELIX 1 1 GLY A 34 THR A 36 5 3 HELIX 2 2 THR A 37 ALA A 47 1 11 HELIX 3 3 GLN A 60 ASN A 71 1 12 HELIX 4 4 VAL A 85 LEU A 94 1 10 HELIX 5 5 GLY A 97 GLY A 109 1 13 HELIX 6 6 THR A 113 LEU A 132 1 20 HELIX 7 7 THR A 153 MET A 165 1 13 HELIX 8 8 ASN A 167 LYS A 175 1 9 HELIX 9 9 GLY A 201 TYR A 206 1 6 HELIX 10 10 SER A 244 LEU A 262 1 19 SHEET 1 A 5 THR A 21 LYS A 25 0 SHEET 2 A 5 GLY A 10 ASN A 15 -1 N GLY A 11 O LYS A 25 SHEET 3 A 5 LYS A 233 SER A 242 -1 O ILE A 236 N MET A 14 SHEET 4 A 5 LYS A 221 ARG A 230 -1 O TYR A 222 N SER A 242 SHEET 5 A 5 ALA A 209 GLY A 217 -1 N ILE A 210 O ALA A 227 SHEET 1 B 2 ARG A 31 SER A 32 0 SHEET 2 B 2 TYR A 151 SER A 152 -1 O SER A 152 N ARG A 31 SHEET 1 C 2 LYS A 56 THR A 58 0 SHEET 2 C 2 LYS A 82 THR A 84 -1 N VAL A 83 O VAL A 57 SHEET 1 D 2 ALA A 178 TYR A 179 0 SHEET 2 D 2 TRP A 196 LYS A 197 -1 N TRP A 196 O TYR A 179 SHEET 1 E 2 LYS A 182 VAL A 184 0 SHEET 2 E 2 ILE A 190 THR A 192 -1 N ARG A 191 O THR A 183 LINK OG1 THR A 214 NA NA A 600 1555 1555 2.90 CISPEP 1 GLY A 211 VAL A 212 0 1.90 SITE 1 AC1 6 SER A 35 SER A 96 LYS A 213 THR A 214 SITE 2 AC1 6 GLY A 215 CL A 601 SITE 1 AC2 5 LYS A 186 GLY A 215 SER A 216 ARG A 248 SITE 2 AC2 5 NA A 600 CRYST1 45.596 53.638 104.690 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 0.021932 0.000000 0.000000 0.00000 SCALE2 0.000000 0.018643 0.000000 0.00000 SCALE3 0.000000 0.000000 0.009552 0.00000