HEADER OXIDOREDUCTASE 20-FEB-19 6QRZ TITLE CRYSTAL STRUCTURE OF R2-LIKE LIGAND-BINDING OXIDASE FROM SULFOLOBUS TITLE 2 ACIDOCALDARIUS SOLVED BY 3D MICRO-CRYSTAL ELECTRON DIFFRACTION COMPND MOL_ID: 1; COMPND 2 MOLECULE: RIBONUCLEOSIDE-DIPHOSPHATE REDUCTASE; COMPND 3 CHAIN: A; COMPND 4 EC: 1.17.4.1; COMPND 5 ENGINEERED: YES SOURCE MOL_ID: 1; SOURCE 2 ORGANISM_SCIENTIFIC: SULFOLOBUS ACIDOCALDARIUS DSM 639; SOURCE 3 ORGANISM_TAXID: 330779; SOURCE 4 GENE: SACI_2188; SOURCE 5 EXPRESSION_SYSTEM: ESCHERICHIA COLI BL21(DE3); SOURCE 6 EXPRESSION_SYSTEM_TAXID: 469008 KEYWDS MICRO-CRYSTAL, MICROED, R2-LIKE LIGAND-BINDING OXIDASE, MN/FE KEYWDS 2 COFACTOR, RIBONUCLEOTIDE REDUCTASE R2 SUBUNIT FOLD, METALLOPROTEIN KEYWDS 3 OXIDOREDUCTASE, FERRITIN-LIKE SUPERFAMILY, OXIDOREDUCTASE EXPDTA ELECTRON CRYSTALLOGRAPHY AUTHOR H.XU,H.LEBRETTE,M.T.B.CLABBERS,J.ZHAO,J.J.GRIESE,X.ZOU,M.HOGBOM REVDAT 3 11-SEP-19 6QRZ 1 JRNL REVDAT 2 04-SEP-19 6QRZ 1 JRNL REMARK REVDAT 1 24-APR-19 6QRZ 0 JRNL AUTH H.XU,H.LEBRETTE,M.T.B.CLABBERS,J.ZHAO,J.J.GRIESE,X.ZOU, JRNL AUTH 2 M.HOGBOM JRNL TITL SOLVING A NEW R2LOX PROTEIN STRUCTURE BY MICROCRYSTAL JRNL TITL 2 ELECTRON DIFFRACTION. JRNL REF SCI ADV V. 5 X4621 2019 JRNL REFN ESSN 2375-2548 JRNL PMID 31457106 JRNL DOI 10.1126/SCIADV.AAX4621 REMARK 1 REMARK 1 REFERENCE 1 REMARK 1 AUTH H.XU,H.LEBRETTE,M.T.B.CLABBERS,J.ZHAO,J.J.GRIESE,X.ZOU, REMARK 1 AUTH 2 M.HOGBOM REMARK 1 TITL SOLVING THE FIRST NOVEL PROTEIN STRUCTURE BY 3D REMARK 1 TITL 2 MICRO-CRYSTAL ELECTRON DIFFRACTION REMARK 1 REF BIORXIV 2019 REMARK 1 REFN REMARK 1 DOI 10.1101/600387 REMARK 2 REMARK 2 RESOLUTION. 3.00 ANGSTROMS. REMARK 3 REMARK 3 REFINEMENT. REMARK 3 PROGRAM : PHENIX (1.14_3260: ???) REMARK 3 AUTHORS : PAUL ADAMS,PAVEL AFONINE,VINCENT CHEN,IAN REMARK 3 : DAVIS,KRESHNA GOPAL,RALF GROSSE-KUNSTLEVE, REMARK 3 : LI-WEI HUNG,ROBERT IMMORMINO,TOM IOERGER, REMARK 3 : AIRLIE MCCOY,ERIK MCKEE,NIGEL MORIARTY, REMARK 3 : REETAL PAI,RANDY READ,JANE RICHARDSON, REMARK 3 : DAVID RICHARDSON,TOD ROMO,JIM SACCHETTINI, REMARK 3 : NICHOLAS SAUTER,JACOB SMITH,LAURENT REMARK 3 : STORONI,TOM TERWILLIGER,PETER ZWART REMARK 3 REMARK 3 REFINEMENT TARGET : NULL REMARK 3 REMARK 3 DATA USED IN REFINEMENT. REMARK 3 RESOLUTION RANGE HIGH (ANGSTROMS) : 3.00 REMARK 3 RESOLUTION RANGE LOW (ANGSTROMS) : 29.00 REMARK 3 MIN(FOBS/SIGMA_FOBS) : 1.350 REMARK 3 COMPLETENESS FOR RANGE (%) : 62.5 REMARK 3 NUMBER OF REFLECTIONS : 4423 REMARK 3 REMARK 3 FIT TO DATA USED IN REFINEMENT. REMARK 3 R VALUE (WORKING + TEST SET) : 0.319 REMARK 3 R VALUE (WORKING SET) : 0.318 REMARK 3 FREE R VALUE : 0.335 REMARK 3 FREE R VALUE TEST SET SIZE (%) : 5.270 REMARK 3 FREE R VALUE TEST SET COUNT : 233 REMARK 3 REMARK 3 FIT TO DATA USED IN REFINEMENT (IN BINS). REMARK 3 BIN RESOLUTION RANGE COMPL. NWORK NFREE RWORK RFREE REMARK 3 1 28.9965 - 3.7787 0.66 2247 137 0.2888 0.3056 REMARK 3 2 3.7787 - 3.0003 0.59 1943 96 0.3854 0.4131 REMARK 3 REMARK 3 BULK SOLVENT MODELLING. REMARK 3 METHOD USED : NULL REMARK 3 SOLVENT RADIUS : 1.11 REMARK 3 SHRINKAGE RADIUS : 0.90 REMARK 3 K_SOL : NULL REMARK 3 B_SOL : NULL REMARK 3 REMARK 3 ERROR ESTIMATES. REMARK 3 COORDINATE ERROR (MAXIMUM-LIKELIHOOD BASED) : 0.400 REMARK 3 PHASE ERROR (DEGREES, MAXIMUM-LIKELIHOOD BASED) : 32.070 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 TWINNING INFORMATION. REMARK 3 FRACTION: NULL REMARK 3 OPERATOR: NULL REMARK 3 REMARK 3 DEVIATIONS FROM IDEAL VALUES. REMARK 3 RMSD COUNT REMARK 3 BOND : 0.002 2293 REMARK 3 ANGLE : 0.411 3104 REMARK 3 CHIRALITY : 0.035 345 REMARK 3 PLANARITY : 0.003 391 REMARK 3 DIHEDRAL : 6.546 1376 REMARK 3 REMARK 3 TLS DETAILS REMARK 3 NUMBER OF TLS GROUPS : NULL REMARK 3 REMARK 3 NCS DETAILS REMARK 3 NUMBER OF NCS GROUPS : NULL REMARK 3 REMARK 3 OTHER REFINEMENT REMARKS: NULL REMARK 4 REMARK 4 6QRZ COMPLIES WITH FORMAT V. 3.30, 13-JUL-11 REMARK 100 REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY PDBE ON 20-FEB-19. REMARK 100 THE DEPOSITION ID IS D_1292100290. REMARK 240 REMARK 240 EXPERIMENTAL DETAILS REMARK 240 RECONSTRUCTION METHOD : CRYSTALLOGRAPHY REMARK 240 SAMPLE TYPE : 3D ARRAY REMARK 240 SPECIMEN TYPE : NULL REMARK 240 DATA ACQUISITION REMARK 240 DATE OF DATA COLLECTION : NULL REMARK 240 TEMPERATURE (KELVIN) : NULL REMARK 240 PH : NULL REMARK 240 NUMBER OF CRYSTALS USED : NULL REMARK 240 MICROSCOPE MODEL : JEOL 2100 REMARK 240 DETECTOR TYPE : OTHER REMARK 240 ACCELERATION VOLTAGE (KV) : 200 REMARK 240 NUMBER OF UNIQUE REFLECTIONS : NULL REMARK 240 RESOLUTION RANGE HIGH (A) : NULL REMARK 240 RESOLUTION RANGE LOW (A) : NULL REMARK 240 DATA SCALING SOFTWARE : XSCALE REMARK 240 COMPLETENESS FOR RANGE (%) : NULL REMARK 240 DATA REDUNDANCY : NULL REMARK 240 IN THE HIGHEST RESOLUTION SHELL REMARK 240 HIGHEST RESOLUTION SHELL, RANGE HIGH (A) :NULL REMARK 240 HIGHEST RESOLUTION SHELL, RANGE LOW (A) :NULL REMARK 240 COMPLETENESS FOR SHELL (%) : NULL REMARK 240 DATA REDUNDANCY IN SHELL : NULL REMARK 240 R MERGE FOR SHELL (I) : NULL REMARK 240 METHOD USED TO DETERMINE THE STRUCTURE: NULL REMARK 240 SOFTWARE USED : PHASER 2.8.2 REMARK 240 STARTING MODEL : NULL REMARK 290 REMARK 290 CRYSTALLOGRAPHIC SYMMETRY REMARK 290 SYMMETRY OPERATORS FOR SPACE GROUP: P 21 21 2 REMARK 290 REMARK 290 SYMOP SYMMETRY REMARK 290 NNNMMM OPERATOR REMARK 290 1555 X,Y,Z REMARK 290 2555 -X,-Y,Z REMARK 290 3555 -X+1/2,Y+1/2,-Z 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 0.00000 REMARK 290 SMTRY2 2 0.000000 -1.000000 0.000000 0.00000 REMARK 290 SMTRY3 2 0.000000 0.000000 1.000000 0.00000 REMARK 290 SMTRY1 3 -1.000000 0.000000 0.000000 31.65500 REMARK 290 SMTRY2 3 0.000000 1.000000 0.000000 54.46500 REMARK 290 SMTRY3 3 0.000000 0.000000 -1.000000 0.00000 REMARK 290 SMTRY1 4 1.000000 0.000000 0.000000 31.65500 REMARK 290 SMTRY2 4 0.000000 -1.000000 0.000000 54.46500 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: DIMERIC REMARK 350 SOFTWARE DETERMINED QUATERNARY STRUCTURE: DIMERIC REMARK 350 SOFTWARE USED: PISA REMARK 350 TOTAL BURIED SURFACE AREA: 5360 ANGSTROM**2 REMARK 350 SURFACE AREA OF THE COMPLEX: 22930 ANGSTROM**2 REMARK 350 CHANGE IN SOLVENT FREE ENERGY: -67.0 KCAL/MOL 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 350 BIOMT1 2 -1.000000 0.000000 0.000000 0.00000 REMARK 350 BIOMT2 2 0.000000 -1.000000 0.000000 0.00000 REMARK 350 BIOMT3 2 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 -13 REMARK 465 ALA A -12 REMARK 465 HIS A -11 REMARK 465 HIS A -10 REMARK 465 HIS A -9 REMARK 465 HIS A -8 REMARK 465 HIS A -7 REMARK 465 HIS A -6 REMARK 465 VAL A -5 REMARK 465 ASP A -4 REMARK 465 ASP A -3 REMARK 465 ASP A -2 REMARK 465 ASP A -1 REMARK 465 LYS A 0 REMARK 465 MET A 1 REMARK 465 LYS A 2 REMARK 465 GLU A 3 REMARK 465 LYS A 4 REMARK 465 LEU A 5 REMARK 465 LEU A 6 REMARK 465 GLU A 7 REMARK 465 PHE A 8 REMARK 465 ARG A 9 REMARK 465 SER A 10 REMARK 465 GLU A 11 REMARK 465 GLY A 12 REMARK 465 VAL A 13 REMARK 465 ILE A 250 REMARK 465 VAL A 251 REMARK 465 GLN A 252 REMARK 465 SER A 253 REMARK 465 LEU A 254 REMARK 465 THR A 255 REMARK 465 ARG A 256 REMARK 465 PRO A 257 REMARK 465 LEU A 258 REMARK 465 ALA A 259 REMARK 465 LYS A 260 REMARK 465 PHE A 299 REMARK 465 SER A 300 REMARK 465 PRO A 301 REMARK 465 LYS A 302 REMARK 465 ASP A 303 REMARK 465 LEU A 304 REMARK 465 GLY A 305 REMARK 465 VAL A 306 REMARK 465 ILE A 307 REMARK 465 GLU A 308 REMARK 465 GLU A 309 REMARK 465 ILE A 310 REMARK 465 LYS A 311 REMARK 465 LEU A 312 REMARK 465 ASP A 313 REMARK 465 LYS A 314 REMARK 500 REMARK 500 GEOMETRY AND STEREOCHEMISTRY REMARK 500 SUBTOPIC: CLOSE CONTACTS IN SAME ASYMMETRIC UNIT REMARK 500 REMARK 500 THE FOLLOWING ATOMS ARE IN CLOSE CONTACT. REMARK 500 REMARK 500 ATM1 RES C SSEQI ATM2 RES C SSEQI DISTANCE REMARK 500 O LEU A 74 OH TYR A 143 2.12 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 SER A 22 -78.19 -96.57 REMARK 500 ILE A 128 99.81 -64.39 REMARK 500 THR A 137 -47.83 -139.70 REMARK 500 PRO A 162 48.82 -86.03 REMARK 500 TYR A 174 -53.73 -135.30 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 MN3 A 401 MN REMARK 620 N RES CSSEQI ATOM REMARK 620 1 GLU A 79 OE1 REMARK 620 2 GLU A 112 OE1 60.5 REMARK 620 3 HIS A 115 ND1 78.0 91.1 REMARK 620 4 GLU A 214 OE2 151.0 106.6 130.2 REMARK 620 N 1 2 3 REMARK 620 REMARK 620 COORDINATION ANGLES FOR: M RES CSSEQI METAL REMARK 620 FE A 402 FE REMARK 620 N RES CSSEQI ATOM REMARK 620 1 GLU A 112 OE2 REMARK 620 2 GLU A 214 OE2 121.3 REMARK 620 3 HIS A 217 ND1 82.5 112.4 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 MN3 A 401 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC2 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: binding site for residue FE A 402 DBREF 6QRZ A 1 314 UNP Q4J6V7 Q4J6V7_SULAC 1 314 SEQADV 6QRZ MET A -13 UNP Q4J6V7 INITIATING METHIONINE SEQADV 6QRZ ALA A -12 UNP Q4J6V7 EXPRESSION TAG SEQADV 6QRZ HIS A -11 UNP Q4J6V7 EXPRESSION TAG SEQADV 6QRZ HIS A -10 UNP Q4J6V7 EXPRESSION TAG SEQADV 6QRZ HIS A -9 UNP Q4J6V7 EXPRESSION TAG SEQADV 6QRZ HIS A -8 UNP Q4J6V7 EXPRESSION TAG SEQADV 6QRZ HIS A -7 UNP Q4J6V7 EXPRESSION TAG SEQADV 6QRZ HIS A -6 UNP Q4J6V7 EXPRESSION TAG SEQADV 6QRZ VAL A -5 UNP Q4J6V7 EXPRESSION TAG SEQADV 6QRZ ASP A -4 UNP Q4J6V7 EXPRESSION TAG SEQADV 6QRZ ASP A -3 UNP Q4J6V7 EXPRESSION TAG SEQADV 6QRZ ASP A -2 UNP Q4J6V7 EXPRESSION TAG SEQADV 6QRZ ASP A -1 UNP Q4J6V7 EXPRESSION TAG SEQADV 6QRZ LYS A 0 UNP Q4J6V7 EXPRESSION TAG SEQRES 1 A 328 MET ALA HIS HIS HIS HIS HIS HIS VAL ASP ASP ASP ASP SEQRES 2 A 328 LYS MET LYS GLU LYS LEU LEU GLU PHE ARG SER GLU GLY SEQRES 3 A 328 VAL ILE HIS LYS LYS PHE LYS ALA THR SER VAL GLY TYR SEQRES 4 A 328 ASP TRP ASN THR PHE PRO MET LYS LEU TYR GLN ILE GLY SEQRES 5 A 328 LYS ARG LEU PHE TRP ASP PRO ALA LYS ILE ASP PHE SER SEQRES 6 A 328 LYS ASP LYS GLU ASP TRP LYS LYS LEU SER LYS ASP GLU SEQRES 7 A 328 LYS ASN TYR LEU LEU ASN ILE VAL SER LEU PHE MET ALA SEQRES 8 A 328 GLY GLU GLU ALA VAL ALA VAL ASP ILE THR PRO LEU ILE SEQRES 9 A 328 SER THR MET ILE ASN GLU GLY ARG VAL GLU ASP VAL ILE SEQRES 10 A 328 TYR LEU GLU GLN PHE ALA PHE GLU GLU ALA LYS HIS ALA SEQRES 11 A 328 GLU ALA PHE ARG ARG PHE CYS ASP SER LEU GLU ILE ASN SEQRES 12 A 328 ASP ASP LEU THR ILE PHE THR THR GLU TYR ASN PRO TRP SEQRES 13 A 328 TYR GLN LYS ILE PHE TYR GLU GLU LEU PRO SER VAL MET SEQRES 14 A 328 TRP LYS LEU ARG VAL ASP PRO SER PRO GLU ASN LEU ALA SEQRES 15 A 328 VAL ALA VAL THR THR TYR ASN LEU TYR VAL GLU GLY VAL SEQRES 16 A 328 ALA ALA GLU SER GLY TYR LYS THR PHE LYS HIS ILE PHE SEQRES 17 A 328 ASN SER LEU ASN ILE MET PRO GLY LEU SER LYS THR VAL SEQRES 18 A 328 ASN LEU ILE ALA THR ASP GLU SER ARG HIS ILE ALA TYR SEQRES 19 A 328 GLY THR TYR LEU ILE THR ARG LEU ILE VAL GLU ASN GLY SEQRES 20 A 328 GLU SER ILE TYR ARG LYS ALA ILE GLU GLN PHE ASN LYS SEQRES 21 A 328 LEU VAL GLY ILE VAL GLN SER LEU THR ARG PRO LEU ALA SEQRES 22 A 328 LYS LEU PRO PHE GLY LEU THR PRO ASP PHE THR ILE GLU SEQRES 23 A 328 ASN ARG LYS GLN LEU VAL ASN ALA ARG LEU THR VAL ILE SEQRES 24 A 328 GLU ARG ALA LEU LYS MET THR PRO GLU GLN VAL LYS SER SEQRES 25 A 328 PHE SER PRO LYS ASP LEU GLY VAL ILE GLU GLU ILE LYS SEQRES 26 A 328 LEU ASP LYS HET MN3 A 401 1 HET FE A 402 1 HETNAM MN3 MANGANESE (III) ION HETNAM FE FE (III) ION FORMUL 2 MN3 MN 3+ FORMUL 3 FE FE 3+ HELIX 1 AA1 THR A 29 LEU A 41 1 13 HELIX 2 AA2 LYS A 52 LYS A 58 1 7 HELIX 3 AA3 SER A 61 ASP A 85 1 25 HELIX 4 AA4 ASP A 85 GLU A 96 1 12 HELIX 5 AA5 ARG A 98 LEU A 126 1 29 HELIX 6 AA6 LEU A 132 THR A 137 1 6 HELIX 7 AA7 ASN A 140 TYR A 148 1 9 HELIX 8 AA8 GLU A 149 TRP A 156 1 8 HELIX 9 AA9 TRP A 156 ASP A 161 1 6 HELIX 10 AB1 SER A 163 THR A 173 1 11 HELIX 11 AB2 VAL A 181 ASN A 198 1 18 HELIX 12 AB3 MET A 200 ASN A 232 1 33 HELIX 13 AB4 ASN A 232 VAL A 248 1 17 HELIX 14 AB5 THR A 266 ALA A 288 1 23 HELIX 15 AB6 THR A 292 VAL A 296 5 5 LINK OE1 GLU A 79 MN MN3 A 401 1555 1555 2.65 LINK OE1 GLU A 112 MN MN3 A 401 1555 1555 2.70 LINK OE2 GLU A 112 FE FE A 402 1555 1555 2.04 LINK ND1 HIS A 115 MN MN3 A 401 1555 1555 2.76 LINK OE2 GLU A 214 MN MN3 A 401 1555 1555 2.67 LINK OE2 GLU A 214 FE FE A 402 1555 1555 2.10 LINK ND1 HIS A 217 FE FE A 402 1555 1555 2.23 SITE 1 AC1 5 GLU A 79 GLU A 112 HIS A 115 GLU A 214 SITE 2 AC1 5 FE A 402 SITE 1 AC2 5 GLU A 112 GLU A 179 GLU A 214 HIS A 217 SITE 2 AC2 5 MN3 A 401 CRYST1 63.310 108.930 48.170 90.00 90.00 90.00 P 21 21 2 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 0.015795 0.000000 0.000000 0.00000 SCALE2 0.000000 0.009180 0.000000 0.00000 SCALE3 0.000000 0.000000 0.020760 0.00000