HEADER STRUCTURAL PROTEIN 20-FEB-23 8IGI TITLE CRYSTAL STRUCTURE OF HP1526 (XTHA)- A BASE EXCISION DNA REPAIR PROTEIN TITLE 2 IN HELICOBACTER PYLORI COMPND MOL_ID: 1; COMPND 2 MOLECULE: EXODEOXYRIBONUCLEASE (LEXA); COMPND 3 CHAIN: A, B; COMPND 4 ENGINEERED: YES SOURCE MOL_ID: 1; SOURCE 2 ORGANISM_SCIENTIFIC: HELICOBACTER PYLORI 26695; SOURCE 3 ORGANISM_TAXID: 85962; SOURCE 4 GENE: HP_1526; SOURCE 5 EXPRESSION_SYSTEM: ESCHERICHIA COLI; SOURCE 6 EXPRESSION_SYSTEM_TAXID: 562 KEYWDS H. PYLORI, DNA DAMAGE, DNA REPAIR, BER, STRUCTURAL PROTEIN EXPDTA X-RAY DIFFRACTION AUTHOR T.T.DINH,O.DAO,K.H.LEE REVDAT 1 27-DEC-23 8IGI 0 JRNL AUTH T.DINH,O.DAO,A.KILLIVALAVAN,D.NGO,K.H.LEE JRNL TITL CRYSTAL STRUCTURE OF THE APURINIC/APYRIMIDINIC ENDONUCLEASE JRNL TITL 2 XTHA (HP1526 PROTEIN) FROM HELICOBACTER PYLORI. JRNL REF BIOCHEM.BIOPHYS.RES.COMMUN. V. 663 8 2023 JRNL REFN ESSN 1090-2104 JRNL PMID 37116395 JRNL DOI 10.1016/J.BBRC.2023.04.047 REMARK 2 REMARK 2 RESOLUTION. 1.84 ANGSTROMS. REMARK 3 REMARK 3 REFINEMENT. REMARK 3 PROGRAM : PHENIX 1.13-2998 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 : ML REMARK 3 REMARK 3 DATA USED IN REFINEMENT. REMARK 3 RESOLUTION RANGE HIGH (ANGSTROMS) : 1.84 REMARK 3 RESOLUTION RANGE LOW (ANGSTROMS) : 37.05 REMARK 3 MIN(FOBS/SIGMA_FOBS) : 1.970 REMARK 3 COMPLETENESS FOR RANGE (%) : 99.4 REMARK 3 NUMBER OF REFLECTIONS : 49383 REMARK 3 REMARK 3 FIT TO DATA USED IN REFINEMENT. REMARK 3 R VALUE (WORKING + TEST SET) : 0.168 REMARK 3 R VALUE (WORKING SET) : 0.167 REMARK 3 FREE R VALUE : 0.196 REMARK 3 FREE R VALUE TEST SET SIZE (%) : 5.030 REMARK 3 FREE R VALUE TEST SET COUNT : 2486 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 37.0500 - 4.8114 1.00 2804 148 0.1673 0.1701 REMARK 3 2 4.8114 - 3.8202 1.00 2671 149 0.1383 0.1542 REMARK 3 3 3.8202 - 3.3376 1.00 2685 137 0.1534 0.1681 REMARK 3 4 3.3376 - 3.0326 1.00 2610 145 0.1663 0.2020 REMARK 3 5 3.0326 - 2.8153 1.00 2645 135 0.1743 0.2123 REMARK 3 6 2.8153 - 2.6494 1.00 2590 147 0.1810 0.2249 REMARK 3 7 2.6494 - 2.5167 1.00 2633 126 0.1755 0.2068 REMARK 3 8 2.5167 - 2.4072 1.00 2612 135 0.1702 0.2096 REMARK 3 9 2.4072 - 2.3146 1.00 2601 148 0.1775 0.2189 REMARK 3 10 2.3146 - 2.2347 1.00 2601 133 0.1683 0.2323 REMARK 3 11 2.2347 - 2.1648 1.00 2610 111 0.1670 0.1905 REMARK 3 12 2.1648 - 2.1030 1.00 2611 156 0.1641 0.1975 REMARK 3 13 2.1030 - 2.0476 1.00 2573 129 0.1700 0.2169 REMARK 3 14 2.0476 - 1.9976 1.00 2511 158 0.1668 0.2021 REMARK 3 15 1.9976 - 1.9522 1.00 2628 123 0.1698 0.2413 REMARK 3 16 1.9522 - 1.9107 1.00 2610 135 0.1873 0.2032 REMARK 3 17 1.9107 - 1.8725 1.00 2592 139 0.1991 0.2028 REMARK 3 18 1.8725 - 1.8400 0.91 2310 132 0.2147 0.2801 REMARK 3 REMARK 3 BULK SOLVENT MODELLING. REMARK 3 METHOD USED : FLAT BULK SOLVENT MODEL 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) : 0.170 REMARK 3 PHASE ERROR (DEGREES, MAXIMUM-LIKELIHOOD BASED) : 20.510 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 : 0.008 4277 REMARK 3 ANGLE : 0.932 5760 REMARK 3 CHIRALITY : 0.064 593 REMARK 3 PLANARITY : 0.006 737 REMARK 3 DIHEDRAL : 15.146 2536 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 8IGI COMPLIES WITH FORMAT V. 3.30, 13-JUL-11 REMARK 100 REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY PDBJ ON 21-FEB-23. REMARK 100 THE DEPOSITION ID IS D_1300035589. REMARK 200 REMARK 200 EXPERIMENTAL DETAILS REMARK 200 EXPERIMENT TYPE : X-RAY DIFFRACTION REMARK 200 DATE OF DATA COLLECTION : 16-DEC-17 REMARK 200 TEMPERATURE (KELVIN) : 100 REMARK 200 PH : NULL REMARK 200 NUMBER OF CRYSTALS USED : 1 REMARK 200 REMARK 200 SYNCHROTRON (Y/N) : Y REMARK 200 RADIATION SOURCE : PHOTON FACTORY REMARK 200 BEAMLINE : AR-NW12A REMARK 200 X-RAY GENERATOR MODEL : NULL REMARK 200 MONOCHROMATIC OR LAUE (M/L) : M REMARK 200 WAVELENGTH OR RANGE (A) : 1.0 REMARK 200 MONOCHROMATOR : NULL REMARK 200 OPTICS : NULL REMARK 200 REMARK 200 DETECTOR TYPE : CCD REMARK 200 DETECTOR MANUFACTURER : ADSC QUANTUM 270 REMARK 200 INTENSITY-INTEGRATION SOFTWARE : HKL-2000 REMARK 200 DATA SCALING SOFTWARE : HKL-2000 REMARK 200 REMARK 200 NUMBER OF UNIQUE REFLECTIONS : 49482 REMARK 200 RESOLUTION RANGE HIGH (A) : 1.840 REMARK 200 RESOLUTION RANGE LOW (A) : 37.050 REMARK 200 REJECTION CRITERIA (SIGMA(I)) : NULL REMARK 200 REMARK 200 OVERALL. REMARK 200 COMPLETENESS FOR RANGE (%) : 100.0 REMARK 200 DATA REDUNDANCY : 7.300 REMARK 200 R MERGE (I) : 0.11900 REMARK 200 R SYM (I) : NULL REMARK 200 FOR THE DATA SET : 7.0000 REMARK 200 REMARK 200 IN THE HIGHEST RESOLUTION SHELL. REMARK 200 HIGHEST RESOLUTION SHELL, RANGE HIGH (A) : 1.84 REMARK 200 HIGHEST RESOLUTION SHELL, RANGE LOW (A) : 1.87 REMARK 200 COMPLETENESS FOR SHELL (%) : NULL REMARK 200 DATA REDUNDANCY IN SHELL : NULL REMARK 200 R MERGE FOR SHELL (I) : 0.62500 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: PHENIX REMARK 200 STARTING MODEL: NULL REMARK 200 REMARK 200 REMARK: NULL REMARK 280 REMARK 280 CRYSTAL REMARK 280 SOLVENT CONTENT, VS (%): 48.16 REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 2.37 REMARK 280 REMARK 280 CRYSTALLIZATION CONDITIONS: 18% (W/V) PEG 4K, 104 MM HEPES PH 7.5 REMARK 280 WITH 1,3 BUTANEDIOL, VAPOR DIFFUSION, HANGING DROP, TEMPERATURE REMARK 280 291K 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 36.04800 REMARK 290 SMTRY2 2 0.000000 -1.000000 0.000000 0.00000 REMARK 290 SMTRY3 2 0.000000 0.000000 1.000000 54.01650 REMARK 290 SMTRY1 3 -1.000000 0.000000 0.000000 0.00000 REMARK 290 SMTRY2 3 0.000000 1.000000 0.000000 35.95450 REMARK 290 SMTRY3 3 0.000000 0.000000 -1.000000 54.01650 REMARK 290 SMTRY1 4 1.000000 0.000000 0.000000 36.04800 REMARK 290 SMTRY2 4 0.000000 -1.000000 0.000000 35.95450 REMARK 290 SMTRY3 4 0.000000 0.000000 -1.000000 0.00000 REMARK 290 REMARK 290 REMARK: NULL REMARK 300 REMARK 300 BIOMOLECULE: 1, 2 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 TOTAL BURIED SURFACE AREA: 130 ANGSTROM**2 REMARK 350 SURFACE AREA OF THE COMPLEX: 11500 ANGSTROM**2 REMARK 350 CHANGE IN SOLVENT FREE ENERGY: -4.0 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 REMARK 350 BIOMOLECULE: 2 REMARK 350 AUTHOR DETERMINED BIOLOGICAL UNIT: MONOMERIC REMARK 350 SOFTWARE DETERMINED QUATERNARY STRUCTURE: MONOMERIC REMARK 350 SOFTWARE USED: PISA REMARK 350 TOTAL BURIED SURFACE AREA: 130 ANGSTROM**2 REMARK 350 SURFACE AREA OF THE COMPLEX: 11490 ANGSTROM**2 REMARK 350 CHANGE IN SOLVENT FREE ENERGY: -4.0 KCAL/MOL REMARK 350 APPLY THE FOLLOWING TO CHAINS: B 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 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 HOH B 508 O HOH B 611 1.86 REMARK 500 O HOH B 558 O HOH B 611 1.94 REMARK 500 O HOH A 440 O HOH A 510 2.09 REMARK 500 O HOH A 401 O HOH A 489 2.12 REMARK 500 O HOH B 530 O HOH B 556 2.13 REMARK 500 NE2 GLN A 39 O HOH A 401 2.14 REMARK 500 O HOH A 511 O HOH B 581 2.17 REMARK 500 O HOH B 594 O HOH B 599 2.17 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 PHE A 47 76.65 -117.49 REMARK 500 SER A 63 -144.85 53.94 REMARK 500 GLN A 110 163.94 76.16 REMARK 500 PHE B 47 78.05 -117.21 REMARK 500 SER B 63 -145.92 55.00 REMARK 500 GLN B 110 164.67 74.83 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 MN A 302 MN REMARK 620 N RES CSSEQI ATOM REMARK 620 1 ASN A 9 OD1 REMARK 620 2 GLU A 35 OE2 93.7 REMARK 620 3 HOH A 402 O 175.3 91.0 REMARK 620 4 HOH A 437 O 95.7 90.7 83.7 REMARK 620 5 HOH B 407 O 85.8 178.6 89.5 90.7 REMARK 620 6 HOH B 417 O 89.1 90.8 91.4 174.9 87.9 REMARK 620 N 1 2 3 4 5 REMARK 620 REMARK 620 COORDINATION ANGLES FOR: M RES CSSEQI METAL REMARK 620 MN A 301 MN REMARK 620 N RES CSSEQI ATOM REMARK 620 1 HOH A 413 O REMARK 620 2 HOH A 425 O 90.6 REMARK 620 3 ASN B 9 OD1 94.4 3.9 REMARK 620 4 GLU B 35 OE1 92.7 3.8 2.8 REMARK 620 5 HOH B 401 O 87.7 91.6 92.7 94.9 REMARK 620 6 HOH B 438 O 90.0 178.9 175.2 175.1 89.3 REMARK 620 N 1 2 3 4 5 DBREF 8IGI A 1 250 UNP O26054 O26054_HELPY 1 250 DBREF 8IGI B 1 250 UNP O26054 O26054_HELPY 1 250 SEQADV 8IGI PHE A 0 UNP O26054 EXPRESSION TAG SEQADV 8IGI PHE B 0 UNP O26054 EXPRESSION TAG SEQRES 1 A 251 PHE MET LYS LEU ILE SER TRP ASN VAL ASN GLY LEU ARG SEQRES 2 A 251 ALA CYS MET THR LYS GLY PHE MET ASP PHE PHE ASN SER SEQRES 3 A 251 VAL ASP ALA ASP VAL PHE CYS ILE GLN GLU SER LYS MET SEQRES 4 A 251 GLN GLN GLU GLN ASN THR PHE GLU PHE LYS GLY TYR PHE SEQRES 5 A 251 ASP PHE TRP ASN CYS ALA ILE LYS LYS GLY TYR SER GLY SEQRES 6 A 251 VAL VAL THR PHE THR LYS LYS GLU PRO LEU SER VAL SER SEQRES 7 A 251 TYR GLY ILE ASN MET GLU GLU HIS ASP LYS GLU GLY ARG SEQRES 8 A 251 VAL ILE THR CYS GLU PHE GLU SER PHE TYR LEU VAL ASN SEQRES 9 A 251 VAL TYR THR PRO ASN SER GLN GLN ALA LEU SER ARG LEU SEQRES 10 A 251 SER TYR ARG MET SER TRP GLU VAL GLU PHE LYS LYS PHE SEQRES 11 A 251 LEU LYS ALA LEU GLU LEU LYS LYS PRO VAL ILE VAL CYS SEQRES 12 A 251 GLY ASP LEU ASN VAL ALA HIS ASN GLU ILE ASP LEU GLU SEQRES 13 A 251 ASN PRO LYS THR ASN ARG LYS ASN ALA GLY PHE SER ASP SEQRES 14 A 251 GLU GLU ARG GLU LYS PHE SER GLU LEU LEU ASN ALA GLY SEQRES 15 A 251 PHE ILE ASP THR PHE ARG TYR PHE TYR PRO ASN LYS GLU SEQRES 16 A 251 LYS ALA TYR THR TRP TRP SER TYR MET GLN GLN ALA ARG SEQRES 17 A 251 ASP LYS ASN ILE GLY TRP ARG ILE ASP TYR PHE LEU CYS SEQRES 18 A 251 SER ASN PRO LEU LYS THR ARG LEU LYS ASP ALA LEU ILE SEQRES 19 A 251 TYR LYS ASP ILE LEU GLY SER ASP HIS CYS PRO VAL GLY SEQRES 20 A 251 LEU GLU LEU VAL SEQRES 1 B 251 PHE MET LYS LEU ILE SER TRP ASN VAL ASN GLY LEU ARG SEQRES 2 B 251 ALA CYS MET THR LYS GLY PHE MET ASP PHE PHE ASN SER SEQRES 3 B 251 VAL ASP ALA ASP VAL PHE CYS ILE GLN GLU SER LYS MET SEQRES 4 B 251 GLN GLN GLU GLN ASN THR PHE GLU PHE LYS GLY TYR PHE SEQRES 5 B 251 ASP PHE TRP ASN CYS ALA ILE LYS LYS GLY TYR SER GLY SEQRES 6 B 251 VAL VAL THR PHE THR LYS LYS GLU PRO LEU SER VAL SER SEQRES 7 B 251 TYR GLY ILE ASN MET GLU GLU HIS ASP LYS GLU GLY ARG SEQRES 8 B 251 VAL ILE THR CYS GLU PHE GLU SER PHE TYR LEU VAL ASN SEQRES 9 B 251 VAL TYR THR PRO ASN SER GLN GLN ALA LEU SER ARG LEU SEQRES 10 B 251 SER TYR ARG MET SER TRP GLU VAL GLU PHE LYS LYS PHE SEQRES 11 B 251 LEU LYS ALA LEU GLU LEU LYS LYS PRO VAL ILE VAL CYS SEQRES 12 B 251 GLY ASP LEU ASN VAL ALA HIS ASN GLU ILE ASP LEU GLU SEQRES 13 B 251 ASN PRO LYS THR ASN ARG LYS ASN ALA GLY PHE SER ASP SEQRES 14 B 251 GLU GLU ARG GLU LYS PHE SER GLU LEU LEU ASN ALA GLY SEQRES 15 B 251 PHE ILE ASP THR PHE ARG TYR PHE TYR PRO ASN LYS GLU SEQRES 16 B 251 LYS ALA TYR THR TRP TRP SER TYR MET GLN GLN ALA ARG SEQRES 17 B 251 ASP LYS ASN ILE GLY TRP ARG ILE ASP TYR PHE LEU CYS SEQRES 18 B 251 SER ASN PRO LEU LYS THR ARG LEU LYS ASP ALA LEU ILE SEQRES 19 B 251 TYR LYS ASP ILE LEU GLY SER ASP HIS CYS PRO VAL GLY SEQRES 20 B 251 LEU GLU LEU VAL HET MN A 301 1 HET MN A 302 1 HET BU2 A 303 16 HET BU2 B 301 16 HETNAM MN MANGANESE (II) ION HETNAM BU2 1,3-BUTANEDIOL FORMUL 3 MN 2(MN 2+) FORMUL 5 BU2 2(C4 H10 O2) FORMUL 7 HOH *421(H2 O) HELIX 1 AA1 GLY A 10 LYS A 17 1 8 HELIX 2 AA2 GLY A 18 ASP A 27 1 10 HELIX 3 AA3 GLN A 39 ASN A 43 5 5 HELIX 4 AA4 MET A 82 ASP A 86 5 5 HELIX 5 AA5 GLN A 110 SER A 114 5 5 HELIX 6 AA6 ARG A 115 LEU A 135 1 21 HELIX 7 AA7 ASN A 150 LEU A 154 5 5 HELIX 8 AA8 ASN A 156 ASN A 160 5 5 HELIX 9 AA9 SER A 167 ALA A 180 1 14 HELIX 10 AB1 THR A 185 TYR A 190 1 6 HELIX 11 AB2 PRO A 223 THR A 226 5 4 HELIX 12 AB3 GLY B 10 THR B 16 1 7 HELIX 13 AB4 GLY B 18 ASP B 27 1 10 HELIX 14 AB5 GLN B 39 ASN B 43 5 5 HELIX 15 AB6 MET B 82 ASP B 86 5 5 HELIX 16 AB7 GLN B 110 SER B 114 5 5 HELIX 17 AB8 ARG B 115 LEU B 135 1 21 HELIX 18 AB9 ASN B 150 LEU B 154 5 5 HELIX 19 AC1 ASN B 156 ASN B 160 5 5 HELIX 20 AC2 SER B 167 ALA B 180 1 14 HELIX 21 AC3 THR B 185 TYR B 190 1 6 HELIX 22 AC4 PRO B 223 THR B 226 5 4 SHEET 1 AA1 6 PHE A 51 ASN A 55 0 SHEET 2 AA1 6 VAL A 65 THR A 69 -1 O THR A 69 N PHE A 51 SHEET 3 AA1 6 VAL A 30 GLN A 34 -1 N PHE A 31 O PHE A 68 SHEET 4 AA1 6 MET A 1 ASN A 7 1 N ILE A 4 O CYS A 32 SHEET 5 AA1 6 VAL A 245 LEU A 249 -1 O LEU A 247 N LEU A 3 SHEET 6 AA1 6 LEU A 228 ILE A 233 -1 N LYS A 229 O GLU A 248 SHEET 1 AA2 6 SER A 75 TYR A 78 0 SHEET 2 AA2 6 VAL A 91 GLU A 95 -1 O GLU A 95 N SER A 75 SHEET 3 AA2 6 TYR A 100 TYR A 105 -1 O ASN A 103 N ILE A 92 SHEET 4 AA2 6 VAL A 139 ASP A 144 1 O ILE A 140 N VAL A 102 SHEET 5 AA2 6 ASP A 216 SER A 221 -1 O LEU A 219 N VAL A 141 SHEET 6 AA2 6 PHE A 182 ASP A 184 -1 N ILE A 183 O CYS A 220 SHEET 1 AA3 2 TRP A 199 TRP A 200 0 SHEET 2 AA3 2 GLY A 212 TRP A 213 -1 O TRP A 213 N TRP A 199 SHEET 1 AA4 6 PHE B 51 ASN B 55 0 SHEET 2 AA4 6 VAL B 65 THR B 69 -1 O THR B 69 N PHE B 51 SHEET 3 AA4 6 VAL B 30 GLN B 34 -1 N PHE B 31 O PHE B 68 SHEET 4 AA4 6 MET B 1 ASN B 7 1 N ILE B 4 O CYS B 32 SHEET 5 AA4 6 VAL B 245 LEU B 249 -1 O LEU B 249 N MET B 1 SHEET 6 AA4 6 LEU B 228 ILE B 233 -1 N LYS B 229 O GLU B 248 SHEET 1 AA5 6 SER B 75 TYR B 78 0 SHEET 2 AA5 6 VAL B 91 GLU B 95 -1 O GLU B 95 N SER B 75 SHEET 3 AA5 6 TYR B 100 TYR B 105 -1 O LEU B 101 N CYS B 94 SHEET 4 AA5 6 VAL B 139 ASP B 144 1 O ILE B 140 N TYR B 100 SHEET 5 AA5 6 ASP B 216 SER B 221 -1 O LEU B 219 N VAL B 141 SHEET 6 AA5 6 PHE B 182 ASP B 184 -1 N ILE B 183 O CYS B 220 SHEET 1 AA6 2 TRP B 199 TRP B 200 0 SHEET 2 AA6 2 GLY B 212 TRP B 213 -1 O TRP B 213 N TRP B 199 LINK OD1 ASN A 9 MN MN A 302 1555 1555 2.15 LINK OE2 GLU A 35 MN MN A 302 1555 1555 2.15 LINK MN MN A 301 O HOH A 413 1555 1555 2.22 LINK MN MN A 301 O HOH A 425 1555 1555 2.26 LINK MN MN A 301 OD1 ASN B 9 2544 1555 2.19 LINK MN MN A 301 OE1 GLU B 35 2544 1555 2.15 LINK MN MN A 301 O HOH B 401 1555 2545 2.24 LINK MN MN A 301 O HOH B 438 1555 2545 2.10 LINK MN MN A 302 O HOH A 402 1555 1555 2.23 LINK MN MN A 302 O HOH A 437 1555 1555 2.22 LINK MN MN A 302 O HOH B 407 1555 2445 2.17 LINK MN MN A 302 O HOH B 417 1555 2445 2.20 CRYST1 72.096 71.909 108.033 90.00 90.00 90.00 P 21 21 21 8 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 0.013870 0.000000 0.000000 0.00000 SCALE2 0.000000 0.013906 0.000000 0.00000 SCALE3 0.000000 0.000000 0.009256 0.00000