HEADER LYASE 17-MAY-06 2H1W TITLE CRYSTAL STRUCTURE OF THE HIS183ALA MUTANT VARIANT OF BACILLUS SUBTILIS TITLE 2 FERROCHELATASE COMPND MOL_ID: 1; COMPND 2 MOLECULE: FERROCHELATASE; COMPND 3 CHAIN: A; COMPND 4 SYNONYM: PROTOHEME FERRO-LYASE, HEME SYNTHETASE; COMPND 5 EC: 4.99.1.1; COMPND 6 ENGINEERED: YES; COMPND 7 MUTATION: YES SOURCE MOL_ID: 1; SOURCE 2 ORGANISM_SCIENTIFIC: BACILLUS SUBTILIS; SOURCE 3 ORGANISM_TAXID: 1423; SOURCE 4 GENE: HEMH, HEMF; SOURCE 5 EXPRESSION_SYSTEM: ESCHERICHIA COLI BL21(DE3); SOURCE 6 EXPRESSION_SYSTEM_TAXID: 469008; SOURCE 7 EXPRESSION_SYSTEM_STRAIN: BL21(DE3); SOURCE 8 EXPRESSION_SYSTEM_VECTOR_TYPE: PLASMID; SOURCE 9 EXPRESSION_SYSTEM_PLASMID: PH183A KEYWDS ROSSMANN FOLD, PI-HELIX, LYASE EXPDTA X-RAY DIFFRACTION AUTHOR M.D.HANSSON,T.KARLBERG,M.ARYS RAHARDJA,S.AL-KARADAGHI,M.HANSSON REVDAT 6 30-AUG-23 2H1W 1 REMARK REVDAT 5 20-OCT-21 2H1W 1 REMARK SEQADV LINK REVDAT 4 07-MAR-18 2H1W 1 REMARK REVDAT 3 12-NOV-14 2H1W 1 KEYWDS REVDAT 2 24-FEB-09 2H1W 1 VERSN REVDAT 1 16-JAN-07 2H1W 0 JRNL AUTH M.D.HANSSON,T.KARLBERG,M.A.RAHARDJA,S.AL-KARADAGHI,M.HANSSON JRNL TITL AMINO ACID RESIDUES HIS183 AND GLU264 IN BACILLUS SUBTILIS JRNL TITL 2 FERROCHELATASE DIRECT AND FACILITATE THE INSERTION OF METAL JRNL TITL 3 ION INTO PROTOPORPHYRIN IX JRNL REF BIOCHEMISTRY V. 46 87 2007 JRNL REFN ISSN 0006-2960 JRNL PMID 17198378 JRNL DOI 10.1021/BI061760A REMARK 2 REMARK 2 RESOLUTION. 2.60 ANGSTROMS. REMARK 3 REMARK 3 REFINEMENT. REMARK 3 PROGRAM : CNS 1.1 REMARK 3 AUTHORS : BRUNGER,ADAMS,CLORE,DELANO,GROS,GROSSE- REMARK 3 : KUNSTLEVE,JIANG,KUSZEWSKI,NILGES,PANNU, REMARK 3 : READ,RICE,SIMONSON,WARREN REMARK 3 REMARK 3 REFINEMENT TARGET : ENGH & HUBER REMARK 3 REMARK 3 DATA USED IN REFINEMENT. REMARK 3 RESOLUTION RANGE HIGH (ANGSTROMS) : 2.60 REMARK 3 RESOLUTION RANGE LOW (ANGSTROMS) : 19.30 REMARK 3 DATA CUTOFF (SIGMA(F)) : 0.000 REMARK 3 DATA CUTOFF HIGH (ABS(F)) : 563029.620 REMARK 3 DATA CUTOFF LOW (ABS(F)) : 0.0000 REMARK 3 COMPLETENESS (WORKING+TEST) (%) : 97.0 REMARK 3 NUMBER OF REFLECTIONS : 16047 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) : 0.218 REMARK 3 FREE R VALUE : 0.259 REMARK 3 FREE R VALUE TEST SET SIZE (%) : 5.000 REMARK 3 FREE R VALUE TEST SET COUNT : 798 REMARK 3 ESTIMATED ERROR OF FREE R VALUE : 0.009 REMARK 3 REMARK 3 FIT IN THE HIGHEST RESOLUTION BIN. REMARK 3 TOTAL NUMBER OF BINS USED : 6 REMARK 3 BIN RESOLUTION RANGE HIGH (A) : 2.60 REMARK 3 BIN RESOLUTION RANGE LOW (A) : 2.76 REMARK 3 BIN COMPLETENESS (WORKING+TEST) (%) : 99.40 REMARK 3 REFLECTIONS IN BIN (WORKING SET) : 2644 REMARK 3 BIN R VALUE (WORKING SET) : 0.3100 REMARK 3 BIN FREE R VALUE : 0.3770 REMARK 3 BIN FREE R VALUE TEST SET SIZE (%) : 5.00 REMARK 3 BIN FREE R VALUE TEST SET COUNT : 140 REMARK 3 ESTIMATED ERROR OF BIN FREE R VALUE : 0.032 REMARK 3 REMARK 3 NUMBER OF NON-HYDROGEN ATOMS USED IN REFINEMENT. REMARK 3 PROTEIN ATOMS : 2481 REMARK 3 NUCLEIC ACID ATOMS : 0 REMARK 3 HETEROGEN ATOMS : 2 REMARK 3 SOLVENT ATOMS : 13 REMARK 3 REMARK 3 B VALUES. REMARK 3 FROM WILSON PLOT (A**2) : 36.30 REMARK 3 MEAN B VALUE (OVERALL, A**2) : 42.00 REMARK 3 OVERALL ANISOTROPIC B VALUE. REMARK 3 B11 (A**2) : -8.43000 REMARK 3 B22 (A**2) : -4.59000 REMARK 3 B33 (A**2) : 13.02000 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) : 0.32 REMARK 3 ESD FROM SIGMAA (A) : 0.39 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) : 0.39 REMARK 3 ESD FROM C-V SIGMAA (A) : 0.49 REMARK 3 REMARK 3 RMS DEVIATIONS FROM IDEAL VALUES. REMARK 3 BOND LENGTHS (A) : 0.008 REMARK 3 BOND ANGLES (DEGREES) : 1.200 REMARK 3 DIHEDRAL ANGLES (DEGREES) : 20.80 REMARK 3 IMPROPER ANGLES (DEGREES) : 0.870 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) : 7.320 ; 1.500 REMARK 3 MAIN-CHAIN ANGLE (A**2) : 11.550; 2.000 REMARK 3 SIDE-CHAIN BOND (A**2) : 11.420; 2.000 REMARK 3 SIDE-CHAIN ANGLE (A**2) : 16.830; 2.500 REMARK 3 REMARK 3 BULK SOLVENT MODELING. REMARK 3 METHOD USED : FLAT MODEL REMARK 3 KSOL : 0.36 REMARK 3 BSOL : 32.47 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 : PROTEIN_REP.PARAM REMARK 3 PARAMETER FILE 2 : WATER_REP.PARAM REMARK 3 PARAMETER FILE 3 : ION.PARAM REMARK 3 PARAMETER FILE 4 : MO6.PAR REMARK 3 PARAMETER FILE 5 : NULL REMARK 3 TOPOLOGY FILE 1 : PROTEIN.TOP REMARK 3 TOPOLOGY FILE 2 : WATER.TOP REMARK 3 TOPOLOGY FILE 3 : ION.TOP REMARK 3 TOPOLOGY FILE 4 : MO6.TOP REMARK 3 TOPOLOGY FILE 5 : NULL REMARK 3 REMARK 3 OTHER REFINEMENT REMARKS: NULL REMARK 4 REMARK 4 2H1W COMPLIES WITH FORMAT V. 3.30, 13-JUL-11 REMARK 100 REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY RCSB ON 18-MAY-06. REMARK 100 THE DEPOSITION ID IS D_1000037825. REMARK 200 REMARK 200 EXPERIMENTAL DETAILS REMARK 200 EXPERIMENT TYPE : X-RAY DIFFRACTION REMARK 200 DATE OF DATA COLLECTION : 27-NOV-05 REMARK 200 TEMPERATURE (KELVIN) : 100 REMARK 200 PH : 7.4 REMARK 200 NUMBER OF CRYSTALS USED : 1 REMARK 200 REMARK 200 SYNCHROTRON (Y/N) : Y REMARK 200 RADIATION SOURCE : MAX II REMARK 200 BEAMLINE : I911-3 REMARK 200 X-RAY GENERATOR MODEL : NULL REMARK 200 MONOCHROMATIC OR LAUE (M/L) : M REMARK 200 WAVELENGTH OR RANGE (A) : 1.0000 REMARK 200 MONOCHROMATOR : DOUBLE CRYSTAL MONOCHROMATOR, REMARK 200 SI(111) 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 : 16593 REMARK 200 RESOLUTION RANGE HIGH (A) : 2.600 REMARK 200 RESOLUTION RANGE LOW (A) : 19.300 REMARK 200 REJECTION CRITERIA (SIGMA(I)) : 2.000 REMARK 200 REMARK 200 OVERALL. REMARK 200 COMPLETENESS FOR RANGE (%) : 95.8 REMARK 200 DATA REDUNDANCY : NULL REMARK 200 R MERGE (I) : NULL REMARK 200 R SYM (I) : NULL REMARK 200 FOR THE DATA SET : NULL REMARK 200 REMARK 200 IN THE HIGHEST RESOLUTION SHELL. REMARK 200 HIGHEST RESOLUTION SHELL, RANGE HIGH (A) : 2.60 REMARK 200 HIGHEST RESOLUTION SHELL, RANGE LOW (A) : 2.74 REMARK 200 COMPLETENESS FOR SHELL (%) : 91.8 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: CNS REMARK 200 STARTING MODEL: PDB ENTRY 1DOZ REMARK 200 REMARK 200 REMARK: NULL REMARK 280 REMARK 280 CRYSTAL REMARK 280 SOLVENT CONTENT, VS (%): 37.40 REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 1.97 REMARK 280 REMARK 280 CRYSTALLIZATION CONDITIONS: 25-30 % PEG2000, 0.2 M MAGNESIUM REMARK 280 CHLORIDE, 0.1 M TRIS-HCL, PH 7.4, VAPOR DIFFUSION, TEMPERATURE REMARK 280 288K 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 23.97000 REMARK 290 SMTRY2 2 0.000000 -1.000000 0.000000 0.00000 REMARK 290 SMTRY3 2 0.000000 0.000000 1.000000 58.27000 REMARK 290 SMTRY1 3 -1.000000 0.000000 0.000000 0.00000 REMARK 290 SMTRY2 3 0.000000 1.000000 0.000000 24.86000 REMARK 290 SMTRY3 3 0.000000 0.000000 -1.000000 58.27000 REMARK 290 SMTRY1 4 1.000000 0.000000 0.000000 23.97000 REMARK 290 SMTRY2 4 0.000000 -1.000000 0.000000 24.86000 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 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 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 GLU A 19 -16.31 -39.82 REMARK 500 ALA A 114 108.89 -166.06 REMARK 500 SER A 121 -69.64 -95.76 REMARK 500 TRP A 147 15.55 -163.84 REMARK 500 SER A 167 -31.41 -132.96 REMARK 500 LEU A 263 -33.74 -32.76 REMARK 500 TYR A 267 -68.47 -107.97 REMARK 500 ASN A 269 -72.85 -111.26 REMARK 500 TYR A 271 -73.64 -120.57 REMARK 500 ASN A 291 -119.63 58.27 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 MG A 600 MG REMARK 620 N RES CSSEQI ATOM REMARK 620 1 HOH A 408 O REMARK 620 2 HOH A 409 O 90.5 REMARK 620 3 HOH A 410 O 87.9 92.6 REMARK 620 4 HOH A 411 O 88.3 91.1 174.7 REMARK 620 5 HOH A 412 O 89.9 179.3 86.9 89.4 REMARK 620 6 HOH A 413 O 179.2 89.9 91.4 92.4 89.6 REMARK 620 N 1 2 3 4 5 REMARK 800 REMARK 800 SITE REMARK 800 SITE_IDENTIFIER: AC1 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE FE2 A 900 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC2 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE MG A 600 REMARK 900 REMARK 900 RELATED ENTRIES REMARK 900 RELATED ID: 1DOZ RELATED DB: PDB REMARK 900 RELATED ID: 2AC2 RELATED DB: PDB REMARK 900 RELATED ID: 2AC4 RELATED DB: PDB REMARK 900 RELATED ID: 2H1V RELATED DB: PDB DBREF 2H1W A 1 310 UNP P32396 HEMH_BACSU 1 310 SEQADV 2H1W ALA A 183 UNP P32396 HIS 183 ENGINEERED MUTATION SEQRES 1 A 310 MET SER ARG LYS LYS MET GLY LEU LEU VAL MET ALA TYR SEQRES 2 A 310 GLY THR PRO TYR LYS GLU GLU ASP ILE GLU ARG TYR TYR SEQRES 3 A 310 THR HIS ILE ARG ARG GLY ARG LYS PRO GLU PRO GLU MET SEQRES 4 A 310 LEU GLN ASP LEU LYS ASP ARG TYR GLU ALA ILE GLY GLY SEQRES 5 A 310 ILE SER PRO LEU ALA GLN ILE THR GLU GLN GLN ALA HIS SEQRES 6 A 310 ASN LEU GLU GLN HIS LEU ASN GLU ILE GLN ASP GLU ILE SEQRES 7 A 310 THR PHE LYS ALA TYR ILE GLY LEU LYS HIS ILE GLU PRO SEQRES 8 A 310 PHE ILE GLU ASP ALA VAL ALA GLU MET HIS LYS ASP GLY SEQRES 9 A 310 ILE THR GLU ALA VAL SER ILE VAL LEU ALA PRO HIS PHE SEQRES 10 A 310 SER THR PHE SER VAL GLN SER TYR ASN LYS ARG ALA LYS SEQRES 11 A 310 GLU GLU ALA GLU LYS LEU GLY GLY LEU THR ILE THR SER SEQRES 12 A 310 VAL GLU SER TRP TYR ASP GLU PRO LYS PHE VAL THR TYR SEQRES 13 A 310 TRP VAL ASP ARG VAL LYS GLU THR TYR ALA SER MET PRO SEQRES 14 A 310 GLU ASP GLU ARG GLU ASN ALA MET LEU ILE VAL SER ALA SEQRES 15 A 310 ALA SER LEU PRO GLU LYS ILE LYS GLU PHE GLY ASP PRO SEQRES 16 A 310 TYR PRO ASP GLN LEU HIS GLU SER ALA LYS LEU ILE ALA SEQRES 17 A 310 GLU GLY ALA GLY VAL SER GLU TYR ALA VAL GLY TRP GLN SEQRES 18 A 310 SER GLU GLY ASN THR PRO ASP PRO TRP LEU GLY PRO ASP SEQRES 19 A 310 VAL GLN ASP LEU THR ARG ASP LEU PHE GLU GLN LYS GLY SEQRES 20 A 310 TYR GLN ALA PHE VAL TYR VAL PRO VAL GLY PHE VAL ALA SEQRES 21 A 310 ASP HIS LEU GLU VAL LEU TYR ASP ASN ASP TYR GLU CYS SEQRES 22 A 310 LYS VAL VAL THR ASP ASP ILE GLY ALA SER TYR TYR ARG SEQRES 23 A 310 PRO GLU MET PRO ASN ALA LYS PRO GLU PHE ILE ASP ALA SEQRES 24 A 310 LEU ALA THR VAL VAL LEU LYS LYS LEU GLY ARG HET FE2 A 900 1 HET MG A 600 1 HETNAM FE2 FE (II) ION HETNAM MG MAGNESIUM ION FORMUL 2 FE2 FE 2+ FORMUL 3 MG MG 2+ FORMUL 4 HOH *13(H2 O) HELIX 1 1 ASP A 21 ARG A 30 1 10 HELIX 2 2 GLU A 36 ILE A 50 1 15 HELIX 3 3 ILE A 53 GLN A 75 1 23 HELIX 4 4 PHE A 92 ASP A 103 1 12 HELIX 5 5 SER A 121 GLY A 137 1 17 HELIX 6 6 GLU A 150 ALA A 166 1 17 HELIX 7 7 PRO A 169 GLU A 174 1 6 HELIX 8 8 PRO A 186 GLY A 193 5 8 HELIX 9 9 PRO A 195 GLY A 212 1 18 HELIX 10 10 ASP A 234 GLY A 247 1 14 HELIX 11 11 HIS A 262 TYR A 267 1 6 HELIX 12 12 TYR A 271 ILE A 280 1 10 HELIX 13 13 LYS A 293 LEU A 308 1 16 SHEET 1 A 4 ILE A 78 LEU A 86 0 SHEET 2 A 4 LYS A 4 ALA A 12 1 N VAL A 10 O GLY A 85 SHEET 3 A 4 ALA A 108 VAL A 112 1 O VAL A 109 N LEU A 9 SHEET 4 A 4 THR A 142 VAL A 144 1 O THR A 142 N ALA A 108 SHEET 1 B 4 TYR A 216 VAL A 218 0 SHEET 2 B 4 ALA A 176 VAL A 180 1 N LEU A 178 O ALA A 217 SHEET 3 B 4 ALA A 250 VAL A 254 1 O VAL A 252 N ILE A 179 SHEET 4 B 4 SER A 283 TYR A 285 1 O TYR A 285 N TYR A 253 LINK NE2 HIS A 201 FE FE2 A 900 1555 1555 2.29 LINK O HOH A 408 MG MG A 600 1555 1555 2.07 LINK O HOH A 409 MG MG A 600 1555 1555 2.06 LINK O HOH A 410 MG MG A 600 1555 1555 2.06 LINK O HOH A 411 MG MG A 600 1555 1555 2.06 LINK O HOH A 412 MG MG A 600 1555 1555 2.05 LINK O HOH A 413 MG MG A 600 1555 1555 2.06 CISPEP 1 GLU A 90 PRO A 91 0 -0.38 CISPEP 2 GLY A 232 PRO A 233 0 0.52 SITE 1 AC1 1 HIS A 201 SITE 1 AC2 6 HOH A 408 HOH A 409 HOH A 410 HOH A 411 SITE 2 AC2 6 HOH A 412 HOH A 413 CRYST1 47.940 49.720 116.540 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 0.020859 0.000000 0.000000 0.00000 SCALE2 0.000000 0.020113 0.000000 0.00000 SCALE3 0.000000 0.000000 0.008581 0.00000