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 7 30-AUG-23 2Q3J 1 REMARK 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