HEADER LYASE 30-MAY-07 2Q3J TITLE CRYSTAL STRUCTURE OF THE HIS183ALA VARIANT OF BACILLUS SUBTILIS TITLE 2 FERROCHELATASE IN COMPLEX WITH N-METHYL MESOPORPHYRIN 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; N-METHYL MESOPORPHYRIN IX; N-MEMP, LYASE EXPDTA X-RAY DIFFRACTION AUTHOR T.KARLBERG,O.H.THORVALDSEN,S.AL-KARADAGHI REVDAT 6 20-OCT-21 2Q3J 1 REMARK SEQADV LINK REVDAT 5 07-MAR-18 2Q3J 1 REMARK REVDAT 4 12-NOV-14 2Q3J 1 KEYWDS REVDAT 3 24-FEB-09 2Q3J 1 VERSN REVDAT 2 22-JUL-08 2Q3J 1 JRNL REVDAT 1 22-APR-08 2Q3J 0 JRNL AUTH T.KARLBERG,M.D.HANSSON,R.K.YENGO,R.JOHANSSON, JRNL AUTH 2 O.H.THORVALDSEN,G.C.FERREIRA,M.HANSSON,S.AL-KARADAGHI JRNL TITL PORPHYRIN BINDING AND DISTORTION AND SUBSTRATE SPECIFICITY JRNL TITL 2 IN THE FERROCHELATASE REACTION: THE ROLE OF ACTIVE SITE JRNL TITL 3 RESIDUES JRNL REF J.MOL.BIOL. V. 378 1074 2008 JRNL REFN ISSN 0022-2836 JRNL PMID 18423489 JRNL DOI 10.1016/J.JMB.2008.03.040 REMARK 2 REMARK 2 RESOLUTION. 2.39 ANGSTROMS. REMARK 3 REMARK 3 REFINEMENT. REMARK 3 PROGRAM : CNS 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) : 2.39 REMARK 3 RESOLUTION RANGE LOW (ANGSTROMS) : 20.00 REMARK 3 DATA CUTOFF (SIGMA(F)) : NULL REMARK 3 DATA CUTOFF HIGH (ABS(F)) : NULL REMARK 3 DATA CUTOFF LOW (ABS(F)) : NULL REMARK 3 COMPLETENESS (WORKING+TEST) (%) : 97.9 REMARK 3 NUMBER OF REFLECTIONS : 11898 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) : 0.183 REMARK 3 FREE R VALUE : 0.228 REMARK 3 FREE R VALUE TEST SET SIZE (%) : NULL REMARK 3 FREE R VALUE TEST SET COUNT : 584 REMARK 3 ESTIMATED ERROR OF FREE R VALUE : NULL 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 : 2455 REMARK 3 NUCLEIC ACID ATOMS : 0 REMARK 3 HETEROGEN ATOMS : 44 REMARK 3 SOLVENT ATOMS : 146 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) : 0.006 REMARK 3 BOND ANGLES (DEGREES) : 1.300 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) : 1.318 ; 1.500 REMARK 3 MAIN-CHAIN ANGLE (A**2) : 2.096 ; 2.000 REMARK 3 SIDE-CHAIN BOND (A**2) : 2.381 ; 2.000 REMARK 3 SIDE-CHAIN ANGLE (A**2) : 3.581 ; 2.500 REMARK 3 REMARK 3 BULK SOLVENT MODELING. REMARK 3 METHOD USED : NULL REMARK 3 KSOL : NULL REMARK 3 BSOL : 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 2Q3J COMPLIES WITH FORMAT V. 3.30, 13-JUL-11 REMARK 100 REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY RCSB ON 11-JUN-07. REMARK 100 THE DEPOSITION ID IS D_1000043103. REMARK 200 REMARK 200 EXPERIMENTAL DETAILS REMARK 200 EXPERIMENT TYPE : X-RAY DIFFRACTION REMARK 200 DATE OF DATA COLLECTION : 07-DEC-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 : I911-5 REMARK 200 X-RAY GENERATOR MODEL : NULL REMARK 200 MONOCHROMATIC OR LAUE (M/L) : M REMARK 200 WAVELENGTH OR RANGE (A) : 0.907 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 : MARMOSAIC 225 MM CCD REMARK 200 INTENSITY-INTEGRATION SOFTWARE : XDS REMARK 200 DATA SCALING SOFTWARE : XDS REMARK 200 REMARK 200 NUMBER OF UNIQUE REFLECTIONS : 11775 REMARK 200 RESOLUTION RANGE HIGH (A) : 2.390 REMARK 200 RESOLUTION RANGE LOW (A) : 30.000 REMARK 200 REJECTION CRITERIA (SIGMA(I)) : 0.000 REMARK 200 REMARK 200 OVERALL. REMARK 200 COMPLETENESS FOR RANGE (%) : 98.7 REMARK 200 DATA REDUNDANCY : 5.100 REMARK 200 R MERGE (I) : 0.10300 REMARK 200 R SYM (I) : 0.07500 REMARK 200 FOR THE DATA SET : 18.4000 REMARK 200 REMARK 200 IN THE HIGHEST RESOLUTION SHELL. REMARK 200 HIGHEST RESOLUTION SHELL, RANGE HIGH (A) : 2.39 REMARK 200 HIGHEST RESOLUTION SHELL, RANGE LOW (A) : 2.53 REMARK 200 COMPLETENESS FOR SHELL (%) : 94.0 REMARK 200 DATA REDUNDANCY IN SHELL : 5.00 REMARK 200 R MERGE FOR SHELL (I) : 0.29900 REMARK 200 R SYM FOR SHELL (I) : 0.19400 REMARK 200 FOR SHELL : 10.40 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: 2H1W REMARK 200 REMARK 200 REMARK: NULL REMARK 280 REMARK 280 CRYSTAL REMARK 280 SOLVENT CONTENT, VS (%): 39.27 REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 2.03 REMARK 280 REMARK 280 CRYSTALLIZATION CONDITIONS: 25-30 % PEG 2000, 0.2 M MGCL2, 0.1 M REMARK 280 TRIS-HCL, PH 7.4, VAPOR DIFFUSION, HANGING DROP, TEMPERATURE 298K 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 24.89000 REMARK 290 SMTRY2 2 0.000000 -1.000000 0.000000 0.00000 REMARK 290 SMTRY3 2 0.000000 0.000000 1.000000 48.91500 REMARK 290 SMTRY1 3 -1.000000 0.000000 0.000000 0.00000 REMARK 290 SMTRY2 3 0.000000 1.000000 0.000000 29.28500 REMARK 290 SMTRY3 3 0.000000 0.000000 -1.000000 48.91500 REMARK 290 SMTRY1 4 1.000000 0.000000 0.000000 24.89000 REMARK 290 SMTRY2 4 0.000000 -1.000000 0.000000 29.28500 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 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 SER A 2 REMARK 465 ARG A 3 REMARK 465 LYS A 4 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 SER A 54 -59.45 -25.56 REMARK 500 ALA A 114 110.65 -160.58 REMARK 500 VAL A 122 -52.70 -132.56 REMARK 500 TRP A 147 12.72 -143.01 REMARK 500 ASN A 175 44.65 -141.22 REMARK 500 LYS A 246 -2.71 -143.58 REMARK 500 TYR A 267 -65.49 -102.58 REMARK 500 ASN A 269 -67.59 -104.62 REMARK 500 TYR A 271 -64.83 -108.68 REMARK 500 ASN A 291 -125.01 49.38 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 A1000 MG REMARK 620 N RES CSSEQI ATOM REMARK 620 1 HOH A1001 O REMARK 620 2 HOH A1002 O 90.3 REMARK 620 3 HOH A1003 O 87.2 91.2 REMARK 620 4 HOH A1004 O 87.5 89.9 174.6 REMARK 620 5 HOH A1005 O 90.0 178.6 87.4 91.4 REMARK 620 6 HOH A1006 O 179.4 90.3 92.7 92.6 89.5 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 MG A 1000 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC2 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE H02 A 700 REMARK 900 REMARK 900 RELATED ENTRIES REMARK 900 RELATED ID: 2Q2N RELATED DB: PDB REMARK 900 RELATED ID: 2Q2O RELATED DB: PDB DBREF 2Q3J A 2 310 UNP P32396 HEMH_BACSU 2 310 SEQADV 2Q3J ALA A 183 UNP P32396 HIS 183 ENGINEERED MUTATION SEQRES 1 A 309 SER ARG LYS LYS MET GLY LEU LEU VAL MET ALA TYR GLY SEQRES 2 A 309 THR PRO TYR LYS GLU GLU ASP ILE GLU ARG TYR TYR THR SEQRES 3 A 309 HIS ILE ARG ARG GLY ARG LYS PRO GLU PRO GLU MET LEU SEQRES 4 A 309 GLN ASP LEU LYS ASP ARG TYR GLU ALA ILE GLY GLY ILE SEQRES 5 A 309 SER PRO LEU ALA GLN ILE THR GLU GLN GLN ALA HIS ASN SEQRES 6 A 309 LEU GLU GLN HIS LEU ASN GLU ILE GLN ASP GLU ILE THR SEQRES 7 A 309 PHE LYS ALA TYR ILE GLY LEU LYS HIS ILE GLU PRO PHE SEQRES 8 A 309 ILE GLU ASP ALA VAL ALA GLU MET HIS LYS ASP GLY ILE SEQRES 9 A 309 THR GLU ALA VAL SER ILE VAL LEU ALA PRO HIS PHE SER SEQRES 10 A 309 THR PHE SER VAL GLN SER TYR ASN LYS ARG ALA LYS GLU SEQRES 11 A 309 GLU ALA GLU LYS LEU GLY GLY LEU THR ILE THR SER VAL SEQRES 12 A 309 GLU SER TRP TYR ASP GLU PRO LYS PHE VAL THR TYR TRP SEQRES 13 A 309 VAL ASP ARG VAL LYS GLU THR TYR ALA SER MET PRO GLU SEQRES 14 A 309 ASP GLU ARG GLU ASN ALA MET LEU ILE VAL SER ALA ALA SEQRES 15 A 309 SER LEU PRO GLU LYS ILE LYS GLU PHE GLY ASP PRO TYR SEQRES 16 A 309 PRO ASP GLN LEU HIS GLU SER ALA LYS LEU ILE ALA GLU SEQRES 17 A 309 GLY ALA GLY VAL SER GLU TYR ALA VAL GLY TRP GLN SER SEQRES 18 A 309 GLU GLY ASN THR PRO ASP PRO TRP LEU GLY PRO ASP VAL SEQRES 19 A 309 GLN ASP LEU THR ARG ASP LEU PHE GLU GLN LYS GLY TYR SEQRES 20 A 309 GLN ALA PHE VAL TYR VAL PRO VAL GLY PHE VAL ALA ASP SEQRES 21 A 309 HIS LEU GLU VAL LEU TYR ASP ASN ASP TYR GLU CYS LYS SEQRES 22 A 309 VAL VAL THR ASP ASP ILE GLY ALA SER TYR TYR ARG PRO SEQRES 23 A 309 GLU MET PRO ASN ALA LYS PRO GLU PHE ILE ASP ALA LEU SEQRES 24 A 309 ALA THR VAL VAL LEU LYS LYS LEU GLY ARG HET MG A1000 1 HET H02 A 700 43 HETNAM MG MAGNESIUM ION HETNAM H02 N-METHYL PROTOPORPHYRIN IX 2,4-DISULFONIC ACID HETSYN H02 3,3'-(7,12-DIETHYL-3,8,13,17,22-PENTAMETHYL-22,24- HETSYN 2 H02 DIHYDROPORPHYRIN-2,18-DIYL)DIPROPANOIC ACID FORMUL 2 MG MG 2+ FORMUL 3 H02 C35 H42 N4 O4 FORMUL 4 HOH *146(H2 O) HELIX 1 1 LYS A 18 GLU A 20 5 3 HELIX 2 2 ASP A 21 ARG A 30 1 10 HELIX 3 3 GLU A 36 ILE A 50 1 15 HELIX 4 4 ILE A 53 GLN A 75 1 23 HELIX 5 5 PHE A 92 ASP A 103 1 12 HELIX 6 6 VAL A 122 GLY A 137 1 16 HELIX 7 7 GLU A 150 SER A 167 1 18 HELIX 8 8 PRO A 169 GLU A 174 1 6 HELIX 9 9 PRO A 186 GLY A 193 5 8 HELIX 10 10 PRO A 195 GLY A 212 1 18 HELIX 11 11 ASP A 234 GLY A 247 1 14 HELIX 12 12 HIS A 262 TYR A 267 1 6 HELIX 13 13 TYR A 271 GLY A 281 1 11 HELIX 14 14 LYS A 293 LEU A 308 1 16 SHEET 1 A 4 PHE A 80 LEU A 86 0 SHEET 2 A 4 MET A 6 ALA A 12 1 N LEU A 8 O LYS A 81 SHEET 3 A 4 GLU A 107 VAL A 112 1 O VAL A 109 N GLY A 7 SHEET 4 A 4 THR A 140 SER A 143 1 O THR A 142 N ALA A 108 SHEET 1 B 4 TYR A 216 GLN A 221 0 SHEET 2 B 4 ALA A 176 ALA A 183 1 N VAL A 180 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 MG MG A1000 O HOH A1001 1555 1555 2.07 LINK MG MG A1000 O HOH A1002 1555 1555 2.06 LINK MG MG A1000 O HOH A1003 1555 1555 2.06 LINK MG MG A1000 O HOH A1004 1555 1555 2.06 LINK MG MG A1000 O HOH A1005 1555 1555 2.07 LINK MG MG A1000 O HOH A1006 1555 1555 2.07 CISPEP 1 GLU A 90 PRO A 91 0 0.12 CISPEP 2 GLY A 232 PRO A 233 0 0.07 SITE 1 AC1 6 HOH A1001 HOH A1002 HOH A1003 HOH A1004 SITE 2 AC1 6 HOH A1005 HOH A1006 SITE 1 AC2 14 TYR A 13 TYR A 26 ILE A 29 ARG A 31 SITE 2 AC2 14 PHE A 120 SER A 121 ALA A 183 SER A 222 SITE 3 AC2 14 GLY A 224 ASN A 225 THR A 226 TRP A 230 SITE 4 AC2 14 GLU A 264 HOH A1123 CRYST1 49.780 58.570 97.830 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 0.020088 0.000000 0.000000 0.00000 SCALE2 0.000000 0.017074 0.000000 0.00000 SCALE3 0.000000 0.000000 0.010222 0.00000 MASTER 277 0 2 14 8 0 6 6 0 0 0 24 END