HEADER LYASE 24-MAY-07 2Q1B TITLE CARBONIC ANHYDRASE II IN COMPLEX WITH SACCHARIN COMPND MOL_ID: 1; COMPND 2 MOLECULE: CARBONIC ANHYDRASE 2; COMPND 3 CHAIN: A; COMPND 4 SYNONYM: CARBONIC ANHYDRASE II, CARBONATE DEHYDRATASE II, CA-II, COMPND 5 CARBONIC ANHYDRASE C; COMPND 6 EC: 4.2.1.1 SOURCE MOL_ID: 1; SOURCE 2 ORGANISM_SCIENTIFIC: HOMO SAPIENS; SOURCE 3 ORGANISM_COMMON: HUMAN; SOURCE 4 ORGANISM_TAXID: 9606; SOURCE 5 OTHER_DETAILS: FROM HUMAN ERYTHROCYTES KEYWDS 10-STRANDED, TWISTED BETA-SHEET, LYASE EXPDTA X-RAY DIFFRACTION AUTHOR G.KLEBE,A.HEINE,K.KOEHLER REVDAT 4 30-AUG-23 2Q1B 1 REMARK SHEET LINK REVDAT 3 24-FEB-09 2Q1B 1 VERSN REVDAT 2 09-OCT-07 2Q1B 1 JRNL REVDAT 1 04-SEP-07 2Q1B 0 JRNL AUTH K.KOHLER,A.HILLEBRECHT,J.SCHULZE WISCHELER,A.INNOCENTI, JRNL AUTH 2 A.HEINE,C.T.SUPURAN,G.KLEBE JRNL TITL SACCHARIN INHIBITS CARBONIC ANHYDRASES: POSSIBLE EXPLANATION JRNL TITL 2 FOR ITS UNPLEASANT METALLIC AFTERTASTE. JRNL REF ANGEW.CHEM.INT.ED.ENGL. V. 46 7697 2007 JRNL REFN ESSN 0570-0833 JRNL PMID 17705204 JRNL DOI 10.1002/ANIE.200701189 REMARK 2 REMARK 2 RESOLUTION. 1.70 ANGSTROMS. REMARK 3 REMARK 3 REFINEMENT. REMARK 3 PROGRAM : SHELXL-97 REMARK 3 AUTHORS : G.M.SHELDRICK REMARK 3 REMARK 3 DATA USED IN REFINEMENT. REMARK 3 RESOLUTION RANGE HIGH (ANGSTROMS) : 1.70 REMARK 3 RESOLUTION RANGE LOW (ANGSTROMS) : 10.00 REMARK 3 DATA CUTOFF (SIGMA(F)) : 0.000 REMARK 3 COMPLETENESS FOR RANGE (%) : 89.7 REMARK 3 CROSS-VALIDATION METHOD : FREE R REMARK 3 FREE R VALUE TEST SET SELECTION : RANDOM REMARK 3 REMARK 3 FIT TO DATA USED IN REFINEMENT (NO CUTOFF). REMARK 3 R VALUE (WORKING + TEST SET, NO CUTOFF) : 0.149 REMARK 3 R VALUE (WORKING SET, NO CUTOFF) : 0.147 REMARK 3 FREE R VALUE (NO CUTOFF) : 0.218 REMARK 3 FREE R VALUE TEST SET SIZE (%, NO CUTOFF) : 4.900 REMARK 3 FREE R VALUE TEST SET COUNT (NO CUTOFF) : 1168 REMARK 3 TOTAL NUMBER OF REFLECTIONS (NO CUTOFF) : 24041 REMARK 3 REMARK 3 FIT/AGREEMENT OF MODEL FOR DATA WITH F>4SIG(F). REMARK 3 R VALUE (WORKING + TEST SET, F>4SIG(F)) : 0.147 REMARK 3 R VALUE (WORKING SET, F>4SIG(F)) : 0.146 REMARK 3 FREE R VALUE (F>4SIG(F)) : 0.215 REMARK 3 FREE R VALUE TEST SET SIZE (%, F>4SIG(F)) : 4.900 REMARK 3 FREE R VALUE TEST SET COUNT (F>4SIG(F)) : 1135 REMARK 3 TOTAL NUMBER OF REFLECTIONS (F>4SIG(F)) : 23282 REMARK 3 REMARK 3 NUMBER OF NON-HYDROGEN ATOMS USED IN REFINEMENT. REMARK 3 PROTEIN ATOMS : 2039 REMARK 3 NUCLEIC ACID ATOMS : 0 REMARK 3 HETEROGEN ATOMS : 24 REMARK 3 SOLVENT ATOMS : 285 REMARK 3 REMARK 3 MODEL REFINEMENT. REMARK 3 OCCUPANCY SUM OF NON-HYDROGEN ATOMS : 2348.3 REMARK 3 OCCUPANCY SUM OF HYDROGEN ATOMS : 1991.0 REMARK 3 NUMBER OF DISCRETELY DISORDERED RESIDUES : 14 REMARK 3 NUMBER OF LEAST-SQUARES PARAMETERS : 9664 REMARK 3 NUMBER OF RESTRAINTS : 9067 REMARK 3 REMARK 3 RMS DEVIATIONS FROM RESTRAINT TARGET VALUES. REMARK 3 BOND LENGTHS (A) : 0.008 REMARK 3 ANGLE DISTANCES (A) : 0.026 REMARK 3 SIMILAR DISTANCES (NO TARGET VALUES) (A) : 0.000 REMARK 3 DISTANCES FROM RESTRAINT PLANES (A) : 0.030 REMARK 3 ZERO CHIRAL VOLUMES (A**3) : 0.053 REMARK 3 NON-ZERO CHIRAL VOLUMES (A**3) : 0.056 REMARK 3 ANTI-BUMPING DISTANCE RESTRAINTS (A) : 0.019 REMARK 3 RIGID-BOND ADP COMPONENTS (A**2) : 0.000 REMARK 3 SIMILAR ADP COMPONENTS (A**2) : 0.065 REMARK 3 APPROXIMATELY ISOTROPIC ADPS (A**2) : 0.000 REMARK 3 REMARK 3 BULK SOLVENT MODELING. REMARK 3 METHOD USED: NULL REMARK 3 REMARK 3 STEREOCHEMISTRY TARGET VALUES : ENGH & HUBER REMARK 3 SPECIAL CASE: NULL REMARK 3 REMARK 3 OTHER REFINEMENT REMARKS: NULL REMARK 4 REMARK 4 2Q1B COMPLIES WITH FORMAT V. 3.30, 13-JUL-11 REMARK 100 REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY RCSB ON 25-MAY-07. REMARK 100 THE DEPOSITION ID IS D_1000043024. REMARK 200 REMARK 200 EXPERIMENTAL DETAILS REMARK 200 EXPERIMENT TYPE : X-RAY DIFFRACTION REMARK 200 DATE OF DATA COLLECTION : NULL REMARK 200 TEMPERATURE (KELVIN) : 103 REMARK 200 PH : 8.5 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 RUH3R REMARK 200 MONOCHROMATIC OR LAUE (M/L) : M REMARK 200 WAVELENGTH OR RANGE (A) : 1.54178 REMARK 200 MONOCHROMATOR : FOCUSSING MIRRORS REMARK 200 OPTICS : NULL REMARK 200 REMARK 200 DETECTOR TYPE : IMAGE PLATE REMARK 200 DETECTOR MANUFACTURER : RIGAKU REMARK 200 INTENSITY-INTEGRATION SOFTWARE : HKL-2000 REMARK 200 DATA SCALING SOFTWARE : HKL-2000 REMARK 200 REMARK 200 NUMBER OF UNIQUE REFLECTIONS : 24239 REMARK 200 RESOLUTION RANGE HIGH (A) : 1.700 REMARK 200 RESOLUTION RANGE LOW (A) : 50.000 REMARK 200 REJECTION CRITERIA (SIGMA(I)) : NULL REMARK 200 REMARK 200 OVERALL. REMARK 200 COMPLETENESS FOR RANGE (%) : 89.9 REMARK 200 DATA REDUNDANCY : 2.500 REMARK 200 R MERGE (I) : NULL REMARK 200 R SYM (I) : 0.04100 REMARK 200 FOR THE DATA SET : 17.2000 REMARK 200 REMARK 200 IN THE HIGHEST RESOLUTION SHELL. REMARK 200 HIGHEST RESOLUTION SHELL, RANGE HIGH (A) : 1.70 REMARK 200 HIGHEST RESOLUTION SHELL, RANGE LOW (A) : 1.73 REMARK 200 COMPLETENESS FOR SHELL (%) : 53.2 REMARK 200 DATA REDUNDANCY IN SHELL : 2.20 REMARK 200 R MERGE FOR SHELL (I) : NULL REMARK 200 R SYM FOR SHELL (I) : 0.09600 REMARK 200 FOR SHELL : 9.100 REMARK 200 REMARK 200 DIFFRACTION PROTOCOL: SINGLE WAVELENGTH REMARK 200 METHOD USED TO DETERMINE THE STRUCTURE: FOURIER SYNTHESIS REMARK 200 SOFTWARE USED: CNS REMARK 200 STARTING MODEL: PDB ENTRY 1OQ5 REMARK 200 REMARK 200 REMARK: NULL REMARK 280 REMARK 280 CRYSTAL REMARK 280 SOLVENT CONTENT, VS (%): 43.00 REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 2.20 REMARK 280 REMARK 280 CRYSTALLIZATION CONDITIONS: 2.6-2.8M AMMONIUM SULFATE, 0.1M TRIS REMARK 280 -HCL, 0.001M CHLORO-MERCURY-BENZOATE, PH 8.5, VAPOR DIFFUSION, REMARK 280 SITTING DROP, TEMPERATURE 277K REMARK 290 REMARK 290 CRYSTALLOGRAPHIC SYMMETRY REMARK 290 SYMMETRY OPERATORS FOR SPACE GROUP: P 1 21 1 REMARK 290 REMARK 290 SYMOP SYMMETRY REMARK 290 NNNMMM OPERATOR REMARK 290 1555 X,Y,Z REMARK 290 2555 -X,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 20.80500 REMARK 290 SMTRY3 2 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 MET A 1 REMARK 465 SER A 2 REMARK 465 HIS A 3 REMARK 465 LYS A 261 REMARK 500 REMARK 500 GEOMETRY AND STEREOCHEMISTRY REMARK 500 SUBTOPIC: COVALENT BOND ANGLES REMARK 500 REMARK 500 THE STEREOCHEMICAL PARAMETERS OF THE FOLLOWING RESIDUES REMARK 500 HAVE VALUES WHICH DEVIATE FROM EXPECTED VALUES BY MORE REMARK 500 THAN 6*RMSD (M=MODEL NUMBER; RES=RESIDUE NAME; C=CHAIN REMARK 500 IDENTIFIER; SSEQ=SEQUENCE NUMBER; I=INSERTION CODE). REMARK 500 REMARK 500 STANDARD TABLE: REMARK 500 FORMAT: (10X,I3,1X,A3,1X,A1,I4,A1,3(1X,A4,2X),12X,F5.1) REMARK 500 REMARK 500 EXPECTED VALUES PROTEIN: ENGH AND HUBER, 1999 REMARK 500 EXPECTED VALUES NUCLEIC ACID: CLOWNEY ET AL 1996 REMARK 500 REMARK 500 M RES CSSEQI ATM1 ATM2 ATM3 REMARK 500 TYR A 114 CB - CG - CD2 ANGL. DEV. = -3.7 DEGREES REMARK 500 ARG A 227 NE - CZ - NH1 ANGL. DEV. = 4.3 DEGREES 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 ARG A 27 56.50 -146.06 REMARK 500 ALA A 65 -168.11 -161.11 REMARK 500 LYS A 76 -93.98 -119.88 REMARK 500 GLU A 106 -67.30 -91.91 REMARK 500 PHE A 176 68.94 -153.95 REMARK 500 ASN A 244 47.99 -90.81 REMARK 500 LYS A 252 -136.69 55.21 REMARK 500 LYS A 252 -137.34 56.36 REMARK 500 ASN A 253 59.24 -94.53 REMARK 500 REMARK 500 REMARK: NULL REMARK 620 REMARK 620 METAL COORDINATION REMARK 620 (M=MODEL NUMBER; RES=RESIDUE NAME; C=CHAIN IDENTIFIER; REMARK 620 SSEQ=SEQUENCE NUMBER; I=INSERTION CODE): REMARK 620 REMARK 620 COORDINATION ANGLES FOR: M RES CSSEQI METAL REMARK 620 ZN A 400 ZN REMARK 620 N RES CSSEQI ATOM REMARK 620 1 HIS A 94 NE2 REMARK 620 2 HIS A 96 NE2 105.3 REMARK 620 3 HIS A 119 ND1 116.4 96.8 REMARK 620 4 LSA A 500 N9 94.8 122.2 121.5 REMARK 620 N 1 2 3 REMARK 620 REMARK 620 COORDINATION ANGLES FOR: M RES CSSEQI METAL REMARK 620 HG A 450 HG REMARK 620 N RES CSSEQI ATOM REMARK 620 1 GLN A 137 O REMARK 620 2 GLU A 205 O 90.7 REMARK 620 3 CYS A 206 SG 85.7 95.1 REMARK 620 N 1 2 REMARK 800 REMARK 800 SITE REMARK 800 SITE_IDENTIFIER: AC1 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE ZN A 400 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC2 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE ZN A 430 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC3 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE HG A 450 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC4 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE BEZ A 455 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC5 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE LSA A 500 REMARK 900 REMARK 900 RELATED ENTRIES REMARK 900 RELATED ID: 1OQ5 RELATED DB: PDB REMARK 900 CARBONIC ANHYDRASE II IN COMPLEX WITH NANOMOLAR INHIBITOR REMARK 900 RELATED ID: 1Z9Y RELATED DB: PDB REMARK 900 CARBONIC ANHYDRASE II IN COMPLEX WITH FUROSEMIDE AS SULFONAMIDE REMARK 900 INHIBITOR DBREF 2Q1B A 1 261 UNP P00918 CAH2_HUMAN 1 260 SEQRES 1 A 260 MET SER HIS HIS TRP GLY TYR GLY LYS HIS ASN GLY PRO SEQRES 2 A 260 GLU HIS TRP HIS LYS ASP PHE PRO ILE ALA LYS GLY GLU SEQRES 3 A 260 ARG GLN SER PRO VAL ASP ILE ASP THR HIS THR ALA LYS SEQRES 4 A 260 TYR ASP PRO SER LEU LYS PRO LEU SER VAL SER TYR ASP SEQRES 5 A 260 GLN ALA THR SER LEU ARG ILE LEU ASN ASN GLY HIS ALA SEQRES 6 A 260 PHE ASN VAL GLU PHE ASP ASP SER GLN ASP LYS ALA VAL SEQRES 7 A 260 LEU LYS GLY GLY PRO LEU ASP GLY THR TYR ARG LEU ILE SEQRES 8 A 260 GLN PHE HIS PHE HIS TRP GLY SER LEU ASP GLY GLN GLY SEQRES 9 A 260 SER GLU HIS THR VAL ASP LYS LYS LYS TYR ALA ALA GLU SEQRES 10 A 260 LEU HIS LEU VAL HIS TRP ASN THR LYS TYR GLY ASP PHE SEQRES 11 A 260 GLY LYS ALA VAL GLN GLN PRO ASP GLY LEU ALA VAL LEU SEQRES 12 A 260 GLY ILE PHE LEU LYS VAL GLY SER ALA LYS PRO GLY LEU SEQRES 13 A 260 GLN LYS VAL VAL ASP VAL LEU ASP SER ILE LYS THR LYS SEQRES 14 A 260 GLY LYS SER ALA ASP PHE THR ASN PHE ASP PRO ARG GLY SEQRES 15 A 260 LEU LEU PRO GLU SER LEU ASP TYR TRP THR TYR PRO GLY SEQRES 16 A 260 SER LEU THR THR PRO PRO LEU LEU GLU CYS VAL THR TRP SEQRES 17 A 260 ILE VAL LEU LYS GLU PRO ILE SER VAL SER SER GLU GLN SEQRES 18 A 260 VAL LEU LYS PHE ARG LYS LEU ASN PHE ASN GLY GLU GLY SEQRES 19 A 260 GLU PRO GLU GLU LEU MET VAL ASP ASN TRP ARG PRO ALA SEQRES 20 A 260 GLN PRO LEU LYS ASN ARG GLN ILE LYS ALA SER PHE LYS HET ZN A 400 1 HET ZN A 430 1 HET HG A 450 1 HET BEZ A 455 9 HET LSA A 500 12 HETNAM ZN ZINC ION HETNAM HG MERCURY (II) ION HETNAM BEZ BENZOIC ACID HETNAM LSA 1,2-BENZISOTHIAZOL-3(2H)-ONE 1,1-DIOXIDE HETSYN LSA SACCHARIN FORMUL 2 ZN 2(ZN 2+) FORMUL 4 HG HG 2+ FORMUL 5 BEZ C7 H6 O2 FORMUL 6 LSA C7 H5 N O3 S FORMUL 7 HOH *285(H2 O) HELIX 1 1 HIS A 15 ASP A 19 5 5 HELIX 2 2 PHE A 20 GLY A 25 5 6 SHEET 1 A 2 ASP A 32 ILE A 33 0 SHEET 2 A 2 THR A 108 VAL A 109 1 O THR A 108 N ILE A 33 SHEET 1 B 5 LYS A 39 TYR A 40 0 SHEET 2 B 5 ALA A 116 ASN A 124 -1 SHEET 3 B 5 THR A 87 TRP A 97 -1 N HIS A 94 O HIS A 119 SHEET 4 B 5 PHE A 66 PHE A 70 -1 N PHE A 70 O ILE A 91 SHEET 5 B 5 SER A 56 ASN A 61 -1 N LEU A 57 O GLU A 69 SHEET 1 C 4 LEU A 47 SER A 50 0 SHEET 2 C 4 VAL A 78 GLY A 81 -1 O VAL A 78 N SER A 50 SHEET 3 C 4 THR A 87 TRP A 97 -1 O TYR A 88 N LEU A 79 SHEET 4 C 4 ALA A 116 ASN A 124 -1 O HIS A 119 N HIS A 94 LINK NE2 HIS A 94 ZN ZN A 400 1555 1555 2.04 LINK NE2 HIS A 96 ZN ZN A 400 1555 1555 2.03 LINK ND1 HIS A 119 ZN ZN A 400 1555 1555 2.10 LINK O GLN A 137 HG HG A 450 1555 1555 2.92 LINK O GLU A 205 HG HG A 450 1555 1555 3.23 LINK SG CYS A 206 HG HG A 450 1555 1555 1.94 LINK ZN ZN A 400 N9 LSA A 500 1555 1555 2.05 CISPEP 1 SER A 29 PRO A 30 0 1.99 CISPEP 2 PRO A 201 PRO A 202 0 13.77 SITE 1 AC1 4 HIS A 94 HIS A 96 HIS A 119 LSA A 500 SITE 1 AC2 3 ASN A 62 HIS A 64 HOH A 752 SITE 1 AC3 4 GLN A 137 GLU A 205 CYS A 206 BEZ A 455 SITE 1 AC4 7 GLN A 136 GLN A 137 PRO A 138 GLU A 205 SITE 2 AC4 7 HG A 450 HOH A 658 HOH A 783 SITE 1 AC5 10 HIS A 94 HIS A 96 HIS A 119 VAL A 143 SITE 2 AC5 10 LEU A 198 THR A 199 THR A 200 TRP A 209 SITE 3 AC5 10 ZN A 400 HOH A 755 CRYST1 42.220 41.610 72.160 90.00 104.44 90.00 P 1 21 1 2 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 0.023685 0.000000 0.006099 0.00000 SCALE2 0.000000 0.024033 0.000000 0.00000 SCALE3 0.000000 0.000000 0.014310 0.00000