HEADER HYDROLASE/DNA 21-SEP-09 3JXZ TITLE BACILLUS CEREUS ALKYLPURINE DNA GLYCOSYLASE ALKD BOUND TO DNA TITLE 2 CONTAINING AN ABASIC SITE (ACROSS FROM T) COMPND MOL_ID: 1; COMPND 2 MOLECULE: ALKYLPURINE DNA GLYCOSYLASE ALKD; COMPND 3 CHAIN: A; COMPND 4 ENGINEERED: YES; COMPND 5 MOL_ID: 2; COMPND 6 MOLECULE: DNA (5'-D(*TP*GP*GP*GP*(3DR)P*GP*GP*CP*TP*T)-3'); COMPND 7 CHAIN: B; COMPND 8 ENGINEERED: YES; COMPND 9 MOL_ID: 3; COMPND 10 MOLECULE: DNA (5'-D(*AP*AP*AP*GP*CP*CP*TP*CP*CP*C)-3'); COMPND 11 CHAIN: C; COMPND 12 ENGINEERED: YES SOURCE MOL_ID: 1; SOURCE 2 ORGANISM_SCIENTIFIC: BACILLUS CEREUS; SOURCE 3 ORGANISM_TAXID: 222523; SOURCE 4 STRAIN: ATCC 10987; SOURCE 5 GENE: ALKD, BC_4913; SOURCE 6 EXPRESSION_SYSTEM: ESCHERICHIA COLI; SOURCE 7 EXPRESSION_SYSTEM_TAXID: 562; SOURCE 8 EXPRESSION_SYSTEM_STRAIN: HMS174; SOURCE 9 EXPRESSION_SYSTEM_VECTOR_TYPE: PLASMID; SOURCE 10 EXPRESSION_SYSTEM_PLASMID: PBG103; SOURCE 11 MOL_ID: 2; SOURCE 12 SYNTHETIC: YES; SOURCE 13 MOL_ID: 3; SOURCE 14 SYNTHETIC: YES KEYWDS HEAT REPEAT, DNA BINDING, DNA GLYCOSYLASE, DNA ALKYLATION, LYASE-DNA KEYWDS 2 COMPLEX, HYDROLASE-DNA COMPLEX EXPDTA X-RAY DIFFRACTION AUTHOR E.H.RUBINSON,B.F.EICHMAN REVDAT 4 06-SEP-23 3JXZ 1 DBREF LINK REVDAT 3 13-JUL-11 3JXZ 1 VERSN REVDAT 2 01-DEC-10 3JXZ 1 JRNL REVDAT 1 22-SEP-10 3JXZ 0 JRNL AUTH E.H.RUBINSON,A.S.GOWDA,T.E.SPRATT,B.GOLD,B.F.EICHMAN JRNL TITL AN UNPRECEDENTED NUCLEIC ACID CAPTURE MECHANISM FOR EXCISION JRNL TITL 2 OF DNA DAMAGE. JRNL REF NATURE V. 468 406 2010 JRNL REFN ISSN 0028-0836 JRNL PMID 20927102 JRNL DOI 10.1038/NATURE09428 REMARK 2 REMARK 2 RESOLUTION. 1.75 ANGSTROMS. REMARK 3 REMARK 3 REFINEMENT. REMARK 3 PROGRAM : PHENIX (PHENIX.REFINE) 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) : 1.75 REMARK 3 RESOLUTION RANGE LOW (ANGSTROMS) : 28.87 REMARK 3 MIN(FOBS/SIGMA_FOBS) : 1.360 REMARK 3 COMPLETENESS FOR RANGE (%) : 95.6 REMARK 3 NUMBER OF REFLECTIONS : 30134 REMARK 3 REMARK 3 FIT TO DATA USED IN REFINEMENT. REMARK 3 R VALUE (WORKING + TEST SET) : 0.187 REMARK 3 R VALUE (WORKING SET) : 0.185 REMARK 3 FREE R VALUE : 0.225 REMARK 3 FREE R VALUE TEST SET SIZE (%) : 5.070 REMARK 3 FREE R VALUE TEST SET COUNT : 1527 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 28.8705 - 3.8891 0.94 2636 146 0.1628 0.1820 REMARK 3 2 3.8891 - 3.0880 0.95 2610 140 0.1487 0.1785 REMARK 3 3 3.0880 - 2.6980 0.96 2624 127 0.1682 0.2351 REMARK 3 4 2.6980 - 2.4515 0.97 2618 158 0.1649 0.2211 REMARK 3 5 2.4515 - 2.2758 0.96 2586 142 0.1665 0.2044 REMARK 3 6 2.2758 - 2.1417 0.96 2583 140 0.1738 0.2435 REMARK 3 7 2.1417 - 2.0345 0.96 2612 145 0.2004 0.2643 REMARK 3 8 2.0345 - 1.9459 0.96 2601 127 0.2302 0.3256 REMARK 3 9 1.9459 - 1.8710 0.96 2568 131 0.2647 0.3373 REMARK 3 10 1.8710 - 1.8065 0.96 2585 148 0.3116 0.3337 REMARK 3 11 1.8065 - 1.7500 0.95 2584 123 0.3530 0.3455 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 : 0.39 REMARK 3 B_SOL : 61.38 REMARK 3 REMARK 3 ERROR ESTIMATES. REMARK 3 COORDINATE ERROR (MAXIMUM-LIKELIHOOD BASED) : 0.120 REMARK 3 PHASE ERROR (DEGREES, MAXIMUM-LIKELIHOOD BASED) : NULL REMARK 3 REMARK 3 B VALUES. REMARK 3 FROM WILSON PLOT (A**2) : 22.40 REMARK 3 MEAN B VALUE (OVERALL, A**2) : 32.42 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 : 0.006 2400 REMARK 3 ANGLE : 1.029 3329 REMARK 3 CHIRALITY : 0.070 359 REMARK 3 PLANARITY : 0.005 351 REMARK 3 DIHEDRAL : 20.626 915 REMARK 3 REMARK 3 TLS DETAILS REMARK 3 NUMBER OF TLS GROUPS : 1 REMARK 3 TLS GROUP : 1 REMARK 3 SELECTION: CHAIN C REMARK 3 ORIGIN FOR THE GROUP (A): 5.6045 -17.3672 -5.3577 REMARK 3 T TENSOR REMARK 3 T11: 0.1517 T22: 0.1691 REMARK 3 T33: 0.1435 T12: 0.0010 REMARK 3 T13: 0.0058 T23: 0.0013 REMARK 3 L TENSOR REMARK 3 L11: 0.2271 L22: 0.9151 REMARK 3 L33: 0.4578 L12: 0.0825 REMARK 3 L13: -0.0860 L23: 0.1127 REMARK 3 S TENSOR REMARK 3 S11: 0.0405 S12: -0.0337 S13: 0.0037 REMARK 3 S21: 0.0651 S22: -0.0629 S23: 0.1209 REMARK 3 S31: -0.0102 S32: -0.0655 S33: 0.0166 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 3JXZ COMPLIES WITH FORMAT V. 3.30, 13-JUL-11 REMARK 100 REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY RCSB ON 24-SEP-09. REMARK 100 THE DEPOSITION ID IS D_1000055300. REMARK 200 REMARK 200 EXPERIMENTAL DETAILS REMARK 200 EXPERIMENT TYPE : X-RAY DIFFRACTION REMARK 200 DATE OF DATA COLLECTION : 12-AUG-07 REMARK 200 TEMPERATURE (KELVIN) : 100 REMARK 200 PH : 6.5 REMARK 200 NUMBER OF CRYSTALS USED : 1 REMARK 200 REMARK 200 SYNCHROTRON (Y/N) : Y REMARK 200 RADIATION SOURCE : APS REMARK 200 BEAMLINE : 21-ID-D REMARK 200 X-RAY GENERATOR MODEL : NULL REMARK 200 MONOCHROMATIC OR LAUE (M/L) : M REMARK 200 WAVELENGTH OR RANGE (A) : .97850 REMARK 200 MONOCHROMATOR : SI(111) REMARK 200 OPTICS : NULL REMARK 200 REMARK 200 DETECTOR TYPE : IMAGE PLATE REMARK 200 DETECTOR MANUFACTURER : MAR SCANNER 300 MM PLATE REMARK 200 INTENSITY-INTEGRATION SOFTWARE : HKL-2000 REMARK 200 DATA SCALING SOFTWARE : HKL-2000 REMARK 200 REMARK 200 NUMBER OF UNIQUE REFLECTIONS : 30136 REMARK 200 RESOLUTION RANGE HIGH (A) : 1.750 REMARK 200 RESOLUTION RANGE LOW (A) : 28.900 REMARK 200 REJECTION CRITERIA (SIGMA(I)) : 0.000 REMARK 200 REMARK 200 OVERALL. REMARK 200 COMPLETENESS FOR RANGE (%) : 95.5 REMARK 200 DATA REDUNDANCY : 3.300 REMARK 200 R MERGE (I) : NULL REMARK 200 R SYM (I) : 0.05600 REMARK 200 FOR THE DATA SET : 13.5000 REMARK 200 REMARK 200 IN THE HIGHEST RESOLUTION SHELL. REMARK 200 HIGHEST RESOLUTION SHELL, RANGE HIGH (A) : 1.75 REMARK 200 HIGHEST RESOLUTION SHELL, RANGE LOW (A) : 1.81 REMARK 200 COMPLETENESS FOR SHELL (%) : 94.8 REMARK 200 DATA REDUNDANCY IN SHELL : 3.30 REMARK 200 R MERGE FOR SHELL (I) : NULL REMARK 200 R SYM FOR SHELL (I) : 0.46700 REMARK 200 FOR SHELL : 2.900 REMARK 200 REMARK 200 DIFFRACTION PROTOCOL: SINGLE WAVELENGTH REMARK 200 METHOD USED TO DETERMINE THE STRUCTURE: MOLECULAR REPLACEMENT REMARK 200 SOFTWARE USED: PHASER REMARK 200 STARTING MODEL: PDB 3BVS REMARK 200 REMARK 200 REMARK: NULL REMARK 280 REMARK 280 CRYSTAL REMARK 280 SOLVENT CONTENT, VS (%): 48.68 REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 2.40 REMARK 280 REMARK 280 CRYSTALLIZATION CONDITIONS: .1 M BISTRIS PH 6.5 .1 M NACL, 19% PEG REMARK 280 3350, 2% GLYCEROL, VAPOR DIFFUSION, SITTING DROP, TEMPERATURE REMARK 280 289K REMARK 290 REMARK 290 CRYSTALLOGRAPHIC SYMMETRY REMARK 290 SYMMETRY OPERATORS FOR SPACE GROUP: P 1 21 1 REMARK 290 REMARK 290 SYMOP SYMMETRY REMARK 290 NNNMMM OPERATOR REMARK 290 1555 X,Y,Z REMARK 290 2555 -X,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 28.72250 REMARK 290 SMTRY3 2 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: BIOLOGICAL UNIT = ASYMMETRIC UNIT 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: TRIMERIC REMARK 350 SOFTWARE DETERMINED QUATERNARY STRUCTURE: TRIMERIC REMARK 350 SOFTWARE USED: PISA REMARK 350 TOTAL BURIED SURFACE AREA: 2770 ANGSTROM**2 REMARK 350 SURFACE AREA OF THE COMPLEX: 13560 ANGSTROM**2 REMARK 350 CHANGE IN SOLVENT FREE ENERGY: -16.0 KCAL/MOL REMARK 350 APPLY THE FOLLOWING TO CHAINS: A, B, C 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 470 REMARK 470 MISSING ATOM REMARK 470 THE FOLLOWING RESIDUES HAVE MISSING ATOMS (M=MODEL NUMBER; REMARK 470 RES=RESIDUE NAME; C=CHAIN IDENTIFIER; SSEQ=SEQUENCE NUMBER; REMARK 470 I=INSERTION CODE): REMARK 470 M RES CSSEQI ATOMS REMARK 470 GLU A 19 CD OE1 OE2 REMARK 470 LYS A 47 CE NZ REMARK 470 GLN A 51 OE1 REMARK 470 LYS A 126 CE NZ REMARK 470 ASN A 196 OD1 REMARK 470 GLU A 202 CD OE1 OE2 REMARK 470 GLU A 208 OE2 REMARK 470 GLN A 223 CD OE1 NE2 REMARK 500 REMARK 500 GEOMETRY AND STEREOCHEMISTRY REMARK 500 SUBTOPIC: COVALENT BOND ANGLES REMARK 500 REMARK 500 THE STEREOCHEMICAL PARAMETERS OF THE FOLLOWING RESIDUES REMARK 500 HAVE VALUES WHICH DEVIATE FROM EXPECTED VALUES BY MORE REMARK 500 THAN 6*RMSD (M=MODEL NUMBER; RES=RESIDUE NAME; C=CHAIN REMARK 500 IDENTIFIER; SSEQ=SEQUENCE NUMBER; I=INSERTION CODE). REMARK 500 REMARK 500 STANDARD TABLE: REMARK 500 FORMAT: (10X,I3,1X,A3,1X,A1,I4,A1,3(1X,A4,2X),12X,F5.1) REMARK 500 REMARK 500 EXPECTED VALUES PROTEIN: ENGH AND HUBER, 1999 REMARK 500 EXPECTED VALUES NUCLEIC ACID: CLOWNEY ET AL 1996 REMARK 500 REMARK 500 M RES CSSEQI ATM1 ATM2 ATM3 REMARK 500 DA C 13 O4' - C1' - N9 ANGL. DEV. = 2.1 DEGREES REMARK 500 DC C 16 O4' - C1' - N1 ANGL. DEV. = -4.8 DEGREES REMARK 500 DT C 17 O4' - C1' - N1 ANGL. DEV. = 2.0 DEGREES REMARK 500 DC C 20 O4' - C1' - N1 ANGL. DEV. = 3.0 DEGREES 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 THR A 54 158.73 62.60 REMARK 500 THR A 118 -72.74 -90.10 REMARK 500 ASP A 142 15.90 59.80 REMARK 500 LYS A 158 -113.54 45.43 REMARK 500 REMARK 500 REMARK: NULL REMARK 900 REMARK 900 RELATED ENTRIES REMARK 900 RELATED ID: 3BVS RELATED DB: PDB REMARK 900 CRYSTAL STRUCTURE OF BACILLUS CEREUS ALKYLPURING DNA GLYCOSYLASE REMARK 900 ALKD REMARK 900 RELATED ID: 3JX7 RELATED DB: PDB REMARK 900 BACILLUS CEREUS ALKYLPURINE DNA GLYCOSYLASE ALKD BOUND TO DNA REMARK 900 CONTAINING A 3MA ANALOG REMARK 900 RELATED ID: 3JXY RELATED DB: PDB REMARK 900 BACILLUS CEREUS ALKYLPURINE DNA GLYCOSYLASE ALKD BOUND TO DNA REMARK 900 CONTAINING A GT MISMATCH REMARK 900 RELATED ID: 3JY1 RELATED DB: PDB REMARK 900 BACILLUS CEREUS ALKYLPURINE DNA GLYCOSYLASE ALKD BOUND TO DNA REMARK 900 CONTAINING AN ABASIC SITE (ACROSS FROM C) DBREF 3JXZ A 1 225 UNP Q816E8 Q816E8_BACCR 1 225 DBREF 3JXZ B 1 10 PDB 3JXZ 3JXZ 1 10 DBREF 3JXZ C 11 20 PDB 3JXZ 3JXZ 11 20 SEQRES 1 A 225 MET HIS PRO PHE VAL LYS ALA LEU GLN GLU HIS PHE THR SEQRES 2 A 225 ALA HIS GLN ASN PRO GLU LYS ALA GLU PRO MET ALA ARG SEQRES 3 A 225 TYR MET LYS ASN HIS PHE LEU PHE LEU GLY ILE GLN THR SEQRES 4 A 225 PRO GLU ARG ARG GLN LEU LEU LYS ASP ILE ILE GLN ILE SEQRES 5 A 225 HIS THR LEU PRO ASP GLN LYS ASP PHE GLN ILE ILE ILE SEQRES 6 A 225 ARG GLU LEU TRP ASP LEU PRO GLU ARG GLU PHE GLN ALA SEQRES 7 A 225 ALA ALA LEU ASP ILE MET GLN LYS TYR LYS LYS HIS ILE SEQRES 8 A 225 ASN GLU THR HIS ILE PRO PHE LEU GLU GLU LEU ILE VAL SEQRES 9 A 225 THR LYS SER TRP TRP ASP SER VAL ASP SER ILE VAL PRO SEQRES 10 A 225 THR PHE LEU GLY ASP ILE PHE LEU LYS HIS PRO GLU LEU SEQRES 11 A 225 ILE SER ALA TYR ILE PRO LYS TRP ILE ALA SER ASP ASN SEQRES 12 A 225 ILE TRP LEU GLN ARG ALA ALA ILE LEU PHE GLN LEU LYS SEQRES 13 A 225 TYR LYS GLN LYS MET ASP GLU GLU LEU LEU PHE TRP ILE SEQRES 14 A 225 ILE GLY GLN LEU HIS SER SER LYS GLU PHE PHE ILE GLN SEQRES 15 A 225 LYS ALA ILE GLY TRP VAL LEU ARG GLU TYR ALA LYS THR SEQRES 16 A 225 ASN PRO ASP VAL VAL TRP GLU TYR VAL GLN ASN ASN GLU SEQRES 17 A 225 LEU ALA PRO LEU SER LYS ARG GLU ALA ILE LYS HIS ILE SEQRES 18 A 225 LYS GLN ASN TYR SEQRES 1 B 10 DT DG DG DG 3DR DG DG DC DT DT SEQRES 1 C 10 DA DA DA DG DC DC DT DC DC DC HET 3DR B 5 11 HETNAM 3DR 1',2'-DIDEOXYRIBOFURANOSE-5'-PHOSPHATE HETSYN 3DR ABASIC DIDEOXYRIBOSE FORMUL 2 3DR C5 H11 O6 P FORMUL 4 HOH *275(H2 O) HELIX 1 1 HIS A 2 HIS A 15 1 14 HELIX 2 2 ASN A 17 MET A 28 1 12 HELIX 3 3 GLN A 38 THR A 54 1 17 HELIX 4 4 ASP A 57 LYS A 59 5 3 HELIX 5 5 ASP A 60 LEU A 71 1 12 HELIX 6 6 GLU A 73 TYR A 87 1 15 HELIX 7 7 LYS A 88 ILE A 91 5 4 HELIX 8 8 ASN A 92 THR A 94 5 3 HELIX 9 9 HIS A 95 THR A 105 1 11 HELIX 10 10 TRP A 108 VAL A 116 1 9 HELIX 11 11 THR A 118 HIS A 127 1 10 HELIX 12 12 LEU A 130 SER A 141 1 12 HELIX 13 13 ASN A 143 PHE A 153 1 11 HELIX 14 14 TYR A 157 MET A 161 5 5 HELIX 15 15 ASP A 162 HIS A 174 1 13 HELIX 16 16 GLU A 178 LYS A 194 1 17 HELIX 17 17 ASN A 196 ASN A 207 1 12 HELIX 18 18 ALA A 210 LYS A 219 1 10 HELIX 19 19 ILE A 221 TYR A 225 5 5 LINK O3' DG B 4 P 3DR B 5 1555 1555 1.61 LINK O3' 3DR B 5 P DG B 6 1555 1555 1.60 CRYST1 52.333 57.445 53.655 90.00 101.88 90.00 P 1 21 1 2 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 0.019108 0.000000 0.004018 0.00000 SCALE2 0.000000 0.017408 0.000000 0.00000 SCALE3 0.000000 0.000000 0.019045 0.00000