HEADER LYASE 05-MAR-10 3M1Q TITLE CARBONIC ANHYDRASE II MUTANT W5C-H64C WITH OPENED DISULFIDE BOND COMPND MOL_ID: 1; COMPND 2 MOLECULE: CARBONIC ANHYDRASE 2; COMPND 3 CHAIN: A; COMPND 4 FRAGMENT: CARBONIC ANHYDRASE II; COMPND 5 SYNONYM: CARBONIC ANHYDRASE II, CA-II, CARBONATE DEHYDRATASE II, COMPND 6 CARBONIC ANHYDRASE C, CAC; COMPND 7 EC: 4.2.1.1; COMPND 8 ENGINEERED: YES; COMPND 9 MUTATION: YES SOURCE MOL_ID: 1; SOURCE 2 ORGANISM_SCIENTIFIC: HOMO SAPIENS; SOURCE 3 ORGANISM_COMMON: HUMAN; SOURCE 4 ORGANISM_TAXID: 9606; SOURCE 5 GENE: CA2; SOURCE 6 EXPRESSION_SYSTEM: ESCHERICHIA COLI; SOURCE 7 EXPRESSION_SYSTEM_TAXID: 562; SOURCE 8 EXPRESSION_SYSTEM_STRAIN: BL 21 CODON PLUS; SOURCE 9 EXPRESSION_SYSTEM_VECTOR_TYPE: PLASMID; SOURCE 10 EXPRESSION_SYSTEM_PLASMID: PGEX-4T1 KEYWDS 10 STRANDED TWISTED BETA-SHEETS, LYASE, DISEASE MUTATION, METAL- KEYWDS 2 BINDING EXPDTA X-RAY DIFFRACTION AUTHOR J.SCHULZE WISCHELER,A.HEINE,G.KLEBE REVDAT 5 21-FEB-24 3M1Q 1 REMARK REVDAT 4 13-OCT-21 3M1Q 1 REMARK SEQADV REVDAT 3 17-JUL-19 3M1Q 1 REMARK REVDAT 2 08-NOV-17 3M1Q 1 REMARK REVDAT 1 25-MAY-11 3M1Q 0 JRNL AUTH J.SCHULZE WISCHELER,N.U.SANDNER,A.HEINE,G.KLEBE JRNL TITL MUTATIONAL STUDY ON CARBONIC ANHYDRASE II JRNL REF TO BE PUBLISHED JRNL REFN REMARK 2 REMARK 2 RESOLUTION. 1.69 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) : 1.69 REMARK 3 RESOLUTION RANGE LOW (ANGSTROMS) : 10.00 REMARK 3 DATA CUTOFF (SIGMA(F)) : 4.000 REMARK 3 COMPLETENESS FOR RANGE (%) : 96.2 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) : 0.161 REMARK 3 R VALUE (WORKING SET, NO CUTOFF) : 0.160 REMARK 3 FREE R VALUE (NO CUTOFF) : 0.209 REMARK 3 FREE R VALUE TEST SET SIZE (%, NO CUTOFF) : NULL REMARK 3 FREE R VALUE TEST SET COUNT (NO CUTOFF) : 1274 REMARK 3 TOTAL NUMBER OF REFLECTIONS (NO CUTOFF) : 26305 REMARK 3 REMARK 3 FIT/AGREEMENT OF MODEL FOR DATA WITH F>4SIG(F). REMARK 3 R VALUE (WORKING + TEST SET, F>4SIG(F)) : 0.156 REMARK 3 R VALUE (WORKING SET, F>4SIG(F)) : NULL REMARK 3 FREE R VALUE (F>4SIG(F)) : NULL REMARK 3 FREE R VALUE TEST SET SIZE (%, F>4SIG(F)) : NULL REMARK 3 FREE R VALUE TEST SET COUNT (F>4SIG(F)) : NULL REMARK 3 TOTAL NUMBER OF REFLECTIONS (F>4SIG(F)) : 23962 REMARK 3 REMARK 3 NUMBER OF NON-HYDROGEN ATOMS USED IN REFINEMENT. REMARK 3 PROTEIN ATOMS : 2014 REMARK 3 NUCLEIC ACID ATOMS : 0 REMARK 3 HETEROGEN ATOMS : 1 REMARK 3 SOLVENT ATOMS : 198 REMARK 3 REMARK 3 MODEL REFINEMENT. REMARK 3 OCCUPANCY SUM OF NON-HYDROGEN ATOMS : 2213.0 REMARK 3 OCCUPANCY SUM OF HYDROGEN ATOMS : 1971.0 REMARK 3 NUMBER OF DISCRETELY DISORDERED RESIDUES : 6 REMARK 3 NUMBER OF LEAST-SQUARES PARAMETERS : 8980 REMARK 3 NUMBER OF RESTRAINTS : 8579 REMARK 3 REMARK 3 RMS DEVIATIONS FROM RESTRAINT TARGET VALUES. REMARK 3 BOND LENGTHS (A) : 0.007 REMARK 3 ANGLE DISTANCES (A) : 0.024 REMARK 3 SIMILAR DISTANCES (NO TARGET VALUES) (A) : 0.000 REMARK 3 DISTANCES FROM RESTRAINT PLANES (A) : 0.028 REMARK 3 ZERO CHIRAL VOLUMES (A**3) : 0.044 REMARK 3 NON-ZERO CHIRAL VOLUMES (A**3) : 0.045 REMARK 3 ANTI-BUMPING DISTANCE RESTRAINTS (A) : 0.013 REMARK 3 RIGID-BOND ADP COMPONENTS (A**2) : 0.000 REMARK 3 SIMILAR ADP COMPONENTS (A**2) : 0.064 REMARK 3 APPROXIMATELY ISOTROPIC ADPS (A**2) : 0.073 REMARK 3 REMARK 3 BULK SOLVENT MODELING. REMARK 3 METHOD USED: NULL REMARK 3 REMARK 3 STEREOCHEMISTRY TARGET VALUES : ENGH AND HUBER REMARK 3 SPECIAL CASE: NULL REMARK 3 REMARK 3 OTHER REFINEMENT REMARKS: ANISOTROPIC SCALING APPLIED BY THE REMARK 3 METHOD OF PARKIN, MOEZZI & HOPE, J.APPL.CRYST.28(1995)53-56 REMARK 4 REMARK 4 3M1Q COMPLIES WITH FORMAT V. 3.30, 13-JUL-11 REMARK 100 REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY RCSB ON 12-MAR-10. REMARK 100 THE DEPOSITION ID IS D_1000057997. REMARK 200 REMARK 200 EXPERIMENTAL DETAILS REMARK 200 EXPERIMENT TYPE : X-RAY DIFFRACTION REMARK 200 DATE OF DATA COLLECTION : 10-FEB-09 REMARK 200 TEMPERATURE (KELVIN) : 110 REMARK 200 PH : 7.8 REMARK 200 NUMBER OF CRYSTALS USED : 1 REMARK 200 REMARK 200 SYNCHROTRON (Y/N) : N REMARK 200 RADIATION SOURCE : SEALED TUBE REMARK 200 BEAMLINE : NULL REMARK 200 X-RAY GENERATOR MODEL : OTHER REMARK 200 MONOCHROMATIC OR LAUE (M/L) : M REMARK 200 WAVELENGTH OR RANGE (A) : 1.5418 REMARK 200 MONOCHROMATOR : NULL REMARK 200 OPTICS : MIRRORS REMARK 200 REMARK 200 DETECTOR TYPE : IMAGE PLATE REMARK 200 DETECTOR MANUFACTURER : MAR SCANNER 345 MM PLATE REMARK 200 INTENSITY-INTEGRATION SOFTWARE : HKL-2000 REMARK 200 DATA SCALING SOFTWARE : HKL-2000 REMARK 200 REMARK 200 NUMBER OF UNIQUE REFLECTIONS : 26920 REMARK 200 RESOLUTION RANGE HIGH (A) : 1.690 REMARK 200 RESOLUTION RANGE LOW (A) : 25.000 REMARK 200 REJECTION CRITERIA (SIGMA(I)) : 0.000 REMARK 200 REMARK 200 OVERALL. REMARK 200 COMPLETENESS FOR RANGE (%) : 98.0 REMARK 200 DATA REDUNDANCY : 2.400 REMARK 200 R MERGE (I) : NULL REMARK 200 R SYM (I) : 0.03900 REMARK 200 FOR THE DATA SET : 22.1000 REMARK 200 REMARK 200 IN THE HIGHEST RESOLUTION SHELL. REMARK 200 HIGHEST RESOLUTION SHELL, RANGE HIGH (A) : 1.69 REMARK 200 HIGHEST RESOLUTION SHELL, RANGE LOW (A) : 1.72 REMARK 200 COMPLETENESS FOR SHELL (%) : 85.0 REMARK 200 DATA REDUNDANCY IN SHELL : 2.00 REMARK 200 R MERGE FOR SHELL (I) : NULL REMARK 200 R SYM FOR SHELL (I) : 0.13200 REMARK 200 FOR SHELL : 5.600 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: IN HOUSE CAII WILD TYPE STRUCTURE REMARK 200 REMARK 200 REMARK: NULL REMARK 280 REMARK 280 CRYSTAL REMARK 280 SOLVENT CONTENT, VS (%): 40.08 REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 2.16 REMARK 280 REMARK 280 CRYSTALLIZATION CONDITIONS: 2.75 M AMMONIUM SULFATE 50 MM TRIS, PH REMARK 280 7.8, VAPOR DIFFUSION, SITTING DROP, TEMPERATURE 291K 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 20.70000 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 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 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 GLY A -4 REMARK 465 SER A -3 REMARK 465 PRO A -2 REMARK 465 GLU A -1 REMARK 465 PHE A 0 REMARK 465 MET A 1 REMARK 465 SER A 2 REMARK 465 HIS A 3 REMARK 470 REMARK 470 MISSING ATOM REMARK 470 THE FOLLOWING RESIDUES HAVE MISSING ATOMS (M=MODEL NUMBER; REMARK 470 RES=RESIDUE NAME; C=CHAIN IDENTIFIER; SSEQ=SEQUENCE NUMBER; REMARK 470 I=INSERTION CODE): REMARK 470 M RES CSSEQI ATOMS REMARK 470 HIS A 4 CG ND1 CD2 CE1 NE2 REMARK 470 LYS A 9 CG CD CE NZ REMARK 470 ASP A 85 CG OD1 OD2 REMARK 470 LYS A 159 CG CD CE NZ REMARK 470 ASP A 165 CG OD1 OD2 REMARK 470 LYS A 261 CG CD CE NZ 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 ARG A 182 NE - CZ - NH2 ANGL. DEV. = -3.1 DEGREES REMARK 500 TYR A 191 CB - CG - CD1 ANGL. DEV. = 3.7 DEGREES REMARK 500 ARG A 227 NE - CZ - NH1 ANGL. DEV. = 3.8 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 54.24 -143.61 REMARK 500 GLU A 106 -62.67 -90.18 REMARK 500 ASN A 244 49.21 -89.86 REMARK 500 LYS A 252 -140.74 56.69 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 500 ZN REMARK 620 N RES CSSEQI ATOM REMARK 620 1 HIS A 94 NE2 REMARK 620 2 HIS A 96 NE2 104.0 REMARK 620 3 HIS A 119 ND1 112.3 95.4 REMARK 620 4 HOH A1203 O 106.9 127.7 110.1 REMARK 620 N 1 2 3 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 500 REMARK 900 REMARK 900 RELATED ENTRIES REMARK 900 RELATED ID: 3KIG RELATED DB: PDB REMARK 900 RELATED ID: 3KNE RELATED DB: PDB REMARK 900 RELATED ID: 2Q38 RELATED DB: PDB REMARK 900 RELATED ID: 3M04 RELATED DB: PDB REMARK 900 RELATED ID: 3M14 RELATED DB: PDB REMARK 900 RELATED ID: 3M1K RELATED DB: PDB REMARK 900 RELATED ID: 3M1W RELATED DB: PDB REMARK 900 RELATED ID: 3M2X RELATED DB: PDB REMARK 900 RELATED ID: 3M2Y RELATED DB: PDB REMARK 900 RELATED ID: 3M2Z RELATED DB: PDB DBREF 3M1Q A 1 261 UNP P00918 CAH2_HUMAN 1 260 SEQADV 3M1Q GLY A -4 UNP P00918 EXPRESSION TAG SEQADV 3M1Q SER A -3 UNP P00918 EXPRESSION TAG SEQADV 3M1Q PRO A -2 UNP P00918 EXPRESSION TAG SEQADV 3M1Q GLU A -1 UNP P00918 EXPRESSION TAG SEQADV 3M1Q PHE A 0 UNP P00918 EXPRESSION TAG SEQADV 3M1Q CYS A 5 UNP P00918 TRP 5 ENGINEERED MUTATION SEQADV 3M1Q CYS A 64 UNP P00918 HIS 64 ENGINEERED MUTATION SEQRES 1 A 265 GLY SER PRO GLU PHE MET SER HIS HIS CYS GLY TYR GLY SEQRES 2 A 265 LYS HIS ASN GLY PRO GLU HIS TRP HIS LYS ASP PHE PRO SEQRES 3 A 265 ILE ALA LYS GLY GLU ARG GLN SER PRO VAL ASP ILE ASP SEQRES 4 A 265 THR HIS THR ALA LYS TYR ASP PRO SER LEU LYS PRO LEU SEQRES 5 A 265 SER VAL SER TYR ASP GLN ALA THR SER LEU ARG ILE LEU SEQRES 6 A 265 ASN ASN GLY CYS ALA PHE ASN VAL GLU PHE ASP ASP SER SEQRES 7 A 265 GLN ASP LYS ALA VAL LEU LYS GLY GLY PRO LEU ASP GLY SEQRES 8 A 265 THR TYR ARG LEU ILE GLN PHE HIS PHE HIS TRP GLY SER SEQRES 9 A 265 LEU ASP GLY GLN GLY SER GLU HIS THR VAL ASP LYS LYS SEQRES 10 A 265 LYS TYR ALA ALA GLU LEU HIS LEU VAL HIS TRP ASN THR SEQRES 11 A 265 LYS TYR GLY ASP PHE GLY LYS ALA VAL GLN GLN PRO ASP SEQRES 12 A 265 GLY LEU ALA VAL LEU GLY ILE PHE LEU LYS VAL GLY SER SEQRES 13 A 265 ALA LYS PRO GLY LEU GLN LYS VAL VAL ASP VAL LEU ASP SEQRES 14 A 265 SER ILE LYS THR LYS GLY LYS SER ALA ASP PHE THR ASN SEQRES 15 A 265 PHE ASP PRO ARG GLY LEU LEU PRO GLU SER LEU ASP TYR SEQRES 16 A 265 TRP THR TYR PRO GLY SER LEU THR THR PRO PRO LEU LEU SEQRES 17 A 265 GLU CYS VAL THR TRP ILE VAL LEU LYS GLU PRO ILE SER SEQRES 18 A 265 VAL SER SER GLU GLN VAL LEU LYS PHE ARG LYS LEU ASN SEQRES 19 A 265 PHE ASN GLY GLU GLY GLU PRO GLU GLU LEU MET VAL ASP SEQRES 20 A 265 ASN TRP ARG PRO ALA GLN PRO LEU LYS ASN ARG GLN ILE SEQRES 21 A 265 LYS ALA SER PHE LYS HET ZN A 500 1 HETNAM ZN ZINC ION FORMUL 2 ZN ZN 2+ FORMUL 3 HOH *198(H2 O) HELIX 1 1 GLY A 12 GLU A 14 5 3 HELIX 2 2 HIS A 15 PHE A 20 1 6 HELIX 3 3 PRO A 21 GLY A 25 5 5 HELIX 4 4 LYS A 127 GLY A 129 5 3 HELIX 5 5 ASP A 130 VAL A 135 1 6 HELIX 6 6 LYS A 154 GLY A 156 5 3 HELIX 7 7 LEU A 157 LEU A 164 1 8 HELIX 8 8 ASP A 165 LYS A 168 5 4 HELIX 9 9 ASP A 180 LEU A 185 5 6 HELIX 10 10 SER A 219 ARG A 227 1 9 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 B10 LYS A 39 TYR A 40 0 SHEET 2 B10 LYS A 257 ALA A 258 1 O ALA A 258 N LYS A 39 SHEET 3 B10 TYR A 191 GLY A 196 -1 N THR A 193 O LYS A 257 SHEET 4 B10 VAL A 207 LEU A 212 -1 O VAL A 207 N GLY A 196 SHEET 5 B10 LEU A 141 VAL A 150 1 N GLY A 145 O ILE A 210 SHEET 6 B10 ALA A 116 ASN A 124 -1 N LEU A 118 O ILE A 146 SHEET 7 B10 THR A 87 TRP A 97 -1 N HIS A 94 O HIS A 119 SHEET 8 B10 PHE A 66 PHE A 70 -1 N VAL A 68 O PHE A 93 SHEET 9 B10 SER A 56 ASN A 61 -1 N LEU A 57 O GLU A 69 SHEET 10 B10 SER A 173 ASP A 175 -1 O ALA A 174 N ILE A 59 SHEET 1 C 6 LEU A 47 SER A 50 0 SHEET 2 C 6 VAL A 78 GLY A 81 -1 O VAL A 78 N SER A 50 SHEET 3 C 6 THR A 87 TRP A 97 -1 O TYR A 88 N LEU A 79 SHEET 4 C 6 ALA A 116 ASN A 124 -1 O HIS A 119 N HIS A 94 SHEET 5 C 6 LEU A 141 VAL A 150 -1 O ILE A 146 N LEU A 118 SHEET 6 C 6 ILE A 216 VAL A 218 1 O ILE A 216 N PHE A 147 LINK NE2 HIS A 94 ZN ZN A 500 1555 1555 1.97 LINK NE2 HIS A 96 ZN ZN A 500 1555 1555 2.05 LINK ND1 HIS A 119 ZN ZN A 500 1555 1555 2.10 LINK ZN ZN A 500 O HOH A1203 1555 1555 2.31 CISPEP 1 SER A 29 PRO A 30 0 0.79 CISPEP 2 PRO A 201 PRO A 202 0 6.46 SITE 1 AC1 4 HIS A 94 HIS A 96 HIS A 119 HOH A1203 CRYST1 42.200 41.400 72.000 90.00 104.30 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 0.023697 0.000000 0.006040 0.00000 SCALE2 0.000000 0.024155 0.000000 0.00000 SCALE3 0.000000 0.000000 0.014333 0.00000