HEADER HYDROLASE 18-DEC-00 1GHI TITLE STRUCTURE OF BETA-LACTAMASE GLU166ASP:ASN170GLN MUTANT COMPND MOL_ID: 1; COMPND 2 MOLECULE: BETA-LACTAMASE; COMPND 3 CHAIN: A; COMPND 4 SYNONYM: PENICILLINASE; COMPND 5 EC: 3.5.2.6; COMPND 6 ENGINEERED: YES; COMPND 7 MUTATION: YES SOURCE MOL_ID: 1; SOURCE 2 ORGANISM_SCIENTIFIC: STAPHYLOCOCCUS AUREUS; SOURCE 3 ORGANISM_TAXID: 1280; SOURCE 4 STRAIN: PC1; SOURCE 5 GENE: BLAZ; SOURCE 6 EXPRESSION_SYSTEM: ESCHERICHIA COLI; SOURCE 7 EXPRESSION_SYSTEM_TAXID: 562; SOURCE 8 EXPRESSION_SYSTEM_STRAIN: TG1; SOURCE 9 EXPRESSION_SYSTEM_PLASMID: PTS32; SOURCE 10 EXPRESSION_SYSTEM_GENE: BLAZ KEYWDS HYDROLASE, ANTIBIOTIC RESISTANCE, BETA-LACTAM HYDROLYSIS EXPDTA X-RAY DIFFRACTION AUTHOR C.C.H.CHEN,O.HERZBERG REVDAT 6 09-AUG-23 1GHI 1 REMARK REVDAT 5 27-OCT-21 1GHI 1 REMARK SEQADV REVDAT 4 04-OCT-17 1GHI 1 REMARK REVDAT 3 24-FEB-09 1GHI 1 VERSN REVDAT 2 01-APR-03 1GHI 1 JRNL REVDAT 1 04-APR-01 1GHI 0 JRNL AUTH C.C.CHEN,O.HERZBERG JRNL TITL STRUCTURES OF THE ACYL-ENZYME COMPLEXES OF THE JRNL TITL 2 STAPHYLOCOCCUS AUREUS BETA-LACTAMASE MUTANT JRNL TITL 3 GLU166ASP:ASN170GLN WITH BENZYLPENICILLIN AND CEPHALORIDINE. JRNL REF BIOCHEMISTRY V. 40 2351 2001 JRNL REFN ISSN 0006-2960 JRNL PMID 11327855 JRNL DOI 10.1021/BI002277H REMARK 1 REMARK 1 REFERENCE 1 REMARK 1 AUTH L.E.ZAWADZKE,T.J.SMITH,O.HERZBERG REMARK 1 TITL AN ENGINEERED STAPHYLOCOCCUS AUREUS PC1 BETA-LACTAMASE THAT REMARK 1 TITL 2 HYDROLYSES THIRD-GENERATION CEPHALOSPORINS REMARK 1 REF PROTEIN ENG. V. 8 1275 1995 REMARK 1 REFN ISSN 0269-2139 REMARK 1 REFERENCE 2 REMARK 1 AUTH O.HERZBERG REMARK 1 TITL REFINED CRYSTAL STRUCTURE OF BETA-LACTAMASE FROM REMARK 1 TITL 2 STAPHYLOCOCCUS AUREUS PC1 AT 2.0 REMARK 1 REF J.MOL.BIOL. V. 217 701 1991 REMARK 1 REFN ISSN 0022-2836 REMARK 1 REFERENCE 3 REMARK 1 AUTH O.HERZBERG,J.MOULT REMARK 1 TITL BACTERIAL RESISTANCE TO BETA-LACTAM ANTIBIOTICS. CRYSTAL REMARK 1 TITL 2 STRUCTURE OF BETA-LACTAMASE FROM STAPHYLOCOCCUS AUREUS PC1 REMARK 1 TITL 3 AT 2.5 A RESOLUTION REMARK 1 REF SCIENCE V. 236 694 1987 REMARK 1 REFN ISSN 0036-8075 REMARK 2 REMARK 2 RESOLUTION. 2.30 ANGSTROMS. REMARK 3 REMARK 3 REFINEMENT. REMARK 3 PROGRAM : X-PLOR 3.7 REMARK 3 AUTHORS : BRUNGER REMARK 3 REMARK 3 DATA USED IN REFINEMENT. REMARK 3 RESOLUTION RANGE HIGH (ANGSTROMS) : 2.30 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)) : 0.0000 REMARK 3 COMPLETENESS (WORKING+TEST) (%) : 82.0 REMARK 3 NUMBER OF REFLECTIONS : 11804 REMARK 3 REMARK 3 FIT TO DATA USED IN REFINEMENT. REMARK 3 CROSS-VALIDATION METHOD : THROUGHOUT REMARK 3 FREE R VALUE TEST SET SELECTION : RANDOM REMARK 3 R VALUE (WORKING SET) : 0.153 REMARK 3 FREE R VALUE : 0.263 REMARK 3 FREE R VALUE TEST SET SIZE (%) : 10.000 REMARK 3 FREE R VALUE TEST SET COUNT : 1257 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 : NULL REMARK 3 BIN RESOLUTION RANGE HIGH (A) : NULL REMARK 3 BIN RESOLUTION RANGE LOW (A) : NULL REMARK 3 BIN COMPLETENESS (WORKING+TEST) (%) : NULL REMARK 3 REFLECTIONS IN BIN (WORKING SET) : NULL REMARK 3 BIN R VALUE (WORKING SET) : NULL REMARK 3 BIN FREE R VALUE : NULL REMARK 3 BIN FREE R VALUE TEST SET SIZE (%) : NULL REMARK 3 BIN FREE R VALUE TEST SET COUNT : NULL REMARK 3 ESTIMATED ERROR OF BIN FREE R VALUE : NULL REMARK 3 REMARK 3 NUMBER OF NON-HYDROGEN ATOMS USED IN REFINEMENT. REMARK 3 PROTEIN ATOMS : 2029 REMARK 3 NUCLEIC ACID ATOMS : 0 REMARK 3 HETEROGEN ATOMS : 4 REMARK 3 SOLVENT ATOMS : 138 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 ESTIMATED COORDINATE ERROR. REMARK 3 ESD FROM LUZZATI PLOT (A) : NULL REMARK 3 ESD FROM SIGMAA (A) : NULL REMARK 3 LOW RESOLUTION CUTOFF (A) : NULL REMARK 3 REMARK 3 CROSS-VALIDATED ESTIMATED COORDINATE ERROR. REMARK 3 ESD FROM C-V LUZZATI PLOT (A) : NULL REMARK 3 ESD FROM C-V SIGMAA (A) : NULL REMARK 3 REMARK 3 RMS DEVIATIONS FROM IDEAL VALUES. REMARK 3 BOND LENGTHS (A) : 0.020 REMARK 3 BOND ANGLES (DEGREES) : 2.100 REMARK 3 DIHEDRAL ANGLES (DEGREES) : NULL REMARK 3 IMPROPER ANGLES (DEGREES) : NULL REMARK 3 REMARK 3 ISOTROPIC THERMAL MODEL : NULL REMARK 3 REMARK 3 ISOTROPIC THERMAL FACTOR RESTRAINTS. RMS SIGMA REMARK 3 MAIN-CHAIN BOND (A**2) : NULL ; NULL REMARK 3 MAIN-CHAIN ANGLE (A**2) : NULL ; NULL REMARK 3 SIDE-CHAIN BOND (A**2) : NULL ; NULL REMARK 3 SIDE-CHAIN ANGLE (A**2) : NULL ; NULL 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: NULL REMARK 4 REMARK 4 1GHI COMPLIES WITH FORMAT V. 3.30, 13-JUL-11 REMARK 100 REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY RCSB ON 19-DEC-00. REMARK 100 THE DEPOSITION ID IS D_1000001519. REMARK 200 REMARK 200 EXPERIMENTAL DETAILS REMARK 200 EXPERIMENT TYPE : X-RAY DIFFRACTION REMARK 200 DATE OF DATA COLLECTION : NULL REMARK 200 TEMPERATURE (KELVIN) : 293.0 REMARK 200 PH : 8.00 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 : SIEMENS REMARK 200 MONOCHROMATIC OR LAUE (M/L) : M REMARK 200 WAVELENGTH OR RANGE (A) : 1.5418 REMARK 200 MONOCHROMATOR : GRAPHITE REMARK 200 OPTICS : NULL REMARK 200 REMARK 200 DETECTOR TYPE : AREA DETECTOR REMARK 200 DETECTOR MANUFACTURER : SIEMENS REMARK 200 INTENSITY-INTEGRATION SOFTWARE : X-GEN REMARK 200 DATA SCALING SOFTWARE : X-GEN REMARK 200 REMARK 200 NUMBER OF UNIQUE REFLECTIONS : 15531 REMARK 200 RESOLUTION RANGE HIGH (A) : 2.300 REMARK 200 RESOLUTION RANGE LOW (A) : 20.000 REMARK 200 REJECTION CRITERIA (SIGMA(I)) : 0.000 REMARK 200 REMARK 200 OVERALL. REMARK 200 COMPLETENESS FOR RANGE (%) : 95.6 REMARK 200 DATA REDUNDANCY : 3.400 REMARK 200 R MERGE (I) : 0.11400 REMARK 200 R SYM (I) : NULL REMARK 200 <I/SIGMA(I)> FOR THE DATA SET : 11.8000 REMARK 200 REMARK 200 IN THE HIGHEST RESOLUTION SHELL. REMARK 200 HIGHEST RESOLUTION SHELL, RANGE HIGH (A) : 2.30 REMARK 200 HIGHEST RESOLUTION SHELL, RANGE LOW (A) : 2.44 REMARK 200 COMPLETENESS FOR SHELL (%) : 87.1 REMARK 200 DATA REDUNDANCY IN SHELL : 2.70 REMARK 200 R MERGE FOR SHELL (I) : 0.44100 REMARK 200 R SYM FOR SHELL (I) : NULL REMARK 200 <I/SIGMA(I)> FOR SHELL : 1.800 REMARK 200 REMARK 200 DIFFRACTION PROTOCOL: SINGLE WAVELENGTH REMARK 200 METHOD USED TO DETERMINE THE STRUCTURE: OTHER REMARK 200 SOFTWARE USED: NULL REMARK 200 STARTING MODEL: 3BLM REMARK 200 REMARK 200 REMARK: NULL REMARK 280 REMARK 280 CRYSTAL REMARK 280 SOLVENT CONTENT, VS (%): 65.00 REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 3.04 REMARK 280 REMARK 280 CRYSTALLIZATION CONDITIONS: PH 8.00 REMARK 290 REMARK 290 CRYSTALLOGRAPHIC SYMMETRY REMARK 290 SYMMETRY OPERATORS FOR SPACE GROUP: I 2 2 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,Y,-Z REMARK 290 4555 X,-Y,-Z REMARK 290 5555 X+1/2,Y+1/2,Z+1/2 REMARK 290 6555 -X+1/2,-Y+1/2,Z+1/2 REMARK 290 7555 -X+1/2,Y+1/2,-Z+1/2 REMARK 290 8555 X+1/2,-Y+1/2,-Z+1/2 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 0.00000 REMARK 290 SMTRY2 3 0.000000 1.000000 0.000000 0.00000 REMARK 290 SMTRY3 3 0.000000 0.000000 -1.000000 0.00000 REMARK 290 SMTRY1 4 1.000000 0.000000 0.000000 0.00000 REMARK 290 SMTRY2 4 0.000000 -1.000000 0.000000 0.00000 REMARK 290 SMTRY3 4 0.000000 0.000000 -1.000000 0.00000 REMARK 290 SMTRY1 5 1.000000 0.000000 0.000000 27.00000 REMARK 290 SMTRY2 5 0.000000 1.000000 0.000000 46.90000 REMARK 290 SMTRY3 5 0.000000 0.000000 1.000000 69.65000 REMARK 290 SMTRY1 6 -1.000000 0.000000 0.000000 27.00000 REMARK 290 SMTRY2 6 0.000000 -1.000000 0.000000 46.90000 REMARK 290 SMTRY3 6 0.000000 0.000000 1.000000 69.65000 REMARK 290 SMTRY1 7 -1.000000 0.000000 0.000000 27.00000 REMARK 290 SMTRY2 7 0.000000 1.000000 0.000000 46.90000 REMARK 290 SMTRY3 7 0.000000 0.000000 -1.000000 69.65000 REMARK 290 SMTRY1 8 1.000000 0.000000 0.000000 27.00000 REMARK 290 SMTRY2 8 0.000000 -1.000000 0.000000 46.90000 REMARK 290 SMTRY3 8 0.000000 0.000000 -1.000000 69.65000 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 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 344 LIES ON A SPECIAL POSITION. REMARK 375 HOH A 347 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 30 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 69 -139.08 53.80 REMARK 500 TYR A 105 66.40 62.37 REMARK 500 ASN A 161 77.61 -119.48 REMARK 500 ILE A 194 -62.55 -102.81 REMARK 500 ASN A 196 60.11 -151.49 REMARK 500 LEU A 220 -123.93 -110.82 REMARK 500 SER A 243 99.26 -64.68 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 CO3 A 1 DBREF 1GHI A 31 290 UNP P00807 BLAC_STAAU 25 281 SEQADV 1GHI MET A 30 UNP P00807 SEE REMARK 999 SEQADV 1GHI ASP A 166 UNP P00807 GLU 157 ENGINEERED MUTATION SEQADV 1GHI GLN A 170 UNP P00807 ASN 161 ENGINEERED MUTATION SEQRES 1 A 258 MET LYS GLU LEU ASN ASP LEU GLU LYS LYS TYR ASN ALA SEQRES 2 A 258 HIS ILE GLY VAL TYR ALA LEU ASP THR LYS SER GLY LYS SEQRES 3 A 258 GLU VAL LYS PHE ASN SER ASP LYS ARG PHE ALA TYR ALA SEQRES 4 A 258 SER THR SER LYS ALA ILE ASN SER ALA ILE LEU LEU GLU SEQRES 5 A 258 GLN VAL PRO TYR ASN LYS LEU ASN LYS LYS VAL HIS ILE SEQRES 6 A 258 ASN LYS ASP ASP ILE VAL ALA TYR SER PRO ILE LEU GLU SEQRES 7 A 258 LYS TYR VAL GLY LYS ASP ILE THR LEU LYS ALA LEU ILE SEQRES 8 A 258 GLU ALA SER MET THR TYR SER ASP ASN THR ALA ASN ASN SEQRES 9 A 258 LYS ILE ILE LYS GLU ILE GLY GLY ILE LYS LYS VAL LYS SEQRES 10 A 258 GLN ARG LEU LYS GLU LEU GLY ASP LYS VAL THR ASN PRO SEQRES 11 A 258 VAL ARG TYR ASP ILE GLU LEU GLN TYR TYR SER PRO LYS SEQRES 12 A 258 SER LYS LYS ASP THR SER THR PRO ALA ALA PHE GLY LYS SEQRES 13 A 258 THR LEU ASN LYS LEU ILE ALA ASN GLY LYS LEU SER LYS SEQRES 14 A 258 GLU ASN LYS LYS PHE LEU LEU ASP LEU MET LEU ASN ASN SEQRES 15 A 258 LYS SER GLY ASP THR LEU ILE LYS ASP GLY VAL PRO LYS SEQRES 16 A 258 ASP TYR LYS VAL ALA ASP LYS SER GLY GLN ALA ILE THR SEQRES 17 A 258 TYR ALA SER ARG ASN ASP VAL ALA PHE VAL TYR PRO LYS SEQRES 18 A 258 GLY GLN SER GLU PRO ILE VAL LEU VAL ILE PHE THR ASN SEQRES 19 A 258 LYS ASP ASN LYS SER ASP LYS PRO ASN ASP LYS LEU ILE SEQRES 20 A 258 SER GLU THR ALA LYS SER VAL MET LYS GLU PHE HET CO3 A 1 4 HETNAM CO3 CARBONATE ION FORMUL 2 CO3 C O3 2- FORMUL 3 HOH *138(H2 O) HELIX 1 1 LEU A 33 TYR A 40 1 8 HELIX 2 2 ALA A 69 LEU A 81 5 13 HELIX 3 3 TYR A 88 LYS A 90 5 3 HELIX 4 4 LYS A 99 ASP A 101 5 3 HELIX 5 5 LEU A 109 TYR A 112 5 4 HELIX 6 6 LEU A 119 THR A 128 1 10 HELIX 7 7 ASN A 132 ILE A 142 1 11 HELIX 8 8 ILE A 145 GLU A 154 1 10 HELIX 9 10 PRO A 183 ILE A 194 1 12 HELIX 10 11 LYS A 201 LEU A 212 1 12 HELIX 11 12 LYS A 215 GLY A 217 5 3 HELIX 12 13 ILE A 221 GLY A 224 1 4 HELIX 13 14 ASP A 276 LYS A 288 5 13 SHEET 1 A 5 GLU A 56 PHE A 60 0 SHEET 2 A 5 HIS A 43 ASP A 50 -1 N ALA A 48 O VAL A 57 SHEET 3 A 5 ILE A 259 ASN A 266 -1 N ASN A 266 O HIS A 43 SHEET 4 A 5 ARG A 244 TYR A 251 -1 N VAL A 250 O ILE A 259 SHEET 5 A 5 LYS A 230 GLN A 237 -1 N GLY A 236 O ASN A 245 SHEET 1 B 2 ARG A 65 ALA A 67 0 SHEET 2 B 2 THR A 180 THR A 182 -1 N SER A 181 O PHE A 66 SHEET 1 C 2 LYS A 94 ILE A 97 0 SHEET 2 C 2 LYS A 115 THR A 118 -1 N ILE A 117 O VAL A 95 CISPEP 1 ASP A 166 ILE A 167 0 0.63 SITE 1 AC1 5 SER A 70 SER A 130 LYS A 234 SER A 235 SITE 2 AC1 5 HOH A 310 CRYST1 54.000 93.800 139.300 90.00 90.00 90.00 I 2 2 2 8 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 0.018519 0.000000 0.000000 0.00000 SCALE2 0.000000 0.010661 0.000000 0.00000 SCALE3 0.000000 0.000000 0.007179 0.00000