HEADER HYDROLASE/DNA 08-JUN-00 1F4R TITLE CRYSTAL STRUCTURE OF THE HUMAN AAG DNA REPAIR GLYCOSYLASE COMPLEXED TITLE 2 WITH 1,N6-ETHENOADENINE-DNA COMPND MOL_ID: 1; COMPND 2 MOLECULE: DNA (5'-D(*GP*AP*CP*AP*TP*GP*(EDA)P*TP*TP*GP*CP*CP*T)-3'); COMPND 3 CHAIN: D; COMPND 4 ENGINEERED: YES; COMPND 5 OTHER_DETAILS: 1,N6-ETHENOADENINE-DNA; COMPND 6 MOL_ID: 2; COMPND 7 MOLECULE: DNA (5'-D(*GP*GP*CP*AP*AP*TP*CP*AP*TP*GP*TP*CP*A)-3'); COMPND 8 CHAIN: E; COMPND 9 ENGINEERED: YES; COMPND 10 MOL_ID: 3; COMPND 11 MOLECULE: 3-METHYL-ADENINE DNA GLYCOSYLASE; COMPND 12 CHAIN: A; COMPND 13 SYNONYM: AAG, ALKYLADENINE DNA GLYCOSYLASE; COMPND 14 EC: 3.2.2.20; COMPND 15 ENGINEERED: YES SOURCE MOL_ID: 1; SOURCE 2 SYNTHETIC: YES; SOURCE 3 MOL_ID: 2; SOURCE 4 SYNTHETIC: YES; SOURCE 5 MOL_ID: 3; SOURCE 6 ORGANISM_SCIENTIFIC: HOMO SAPIENS; SOURCE 7 ORGANISM_COMMON: HUMAN; SOURCE 8 ORGANISM_TAXID: 9606; SOURCE 9 EXPRESSION_SYSTEM: ESCHERICHIA COLI; SOURCE 10 EXPRESSION_SYSTEM_TAXID: 562; SOURCE 11 EXPRESSION_SYSTEM_VECTOR_TYPE: PLASMID; SOURCE 12 EXPRESSION_SYSTEM_PLASMID: PLM1 KEYWDS PROTEIN-DNA COMPLEX, HYDROLASE-DNA COMPLEX EXPDTA X-RAY DIFFRACTION AUTHOR A.Y.LAU,M.D.WYATT,B.J.GLASSNER,L.D.SAMSON,T.ELLENBERGER REVDAT 3 07-FEB-24 1F4R 1 REMARK LINK REVDAT 2 24-FEB-09 1F4R 1 VERSN REVDAT 1 11-DEC-00 1F4R 0 JRNL AUTH A.Y.LAU,M.D.WYATT,B.J.GLASSNER,L.D.SAMSON,T.ELLENBERGER JRNL TITL MOLECULAR BASIS FOR DISCRIMINATING BETWEEN NORMAL AND JRNL TITL 2 DAMAGED BASES BY THE HUMAN ALKYLADENINE GLYCOSYLASE, AAG. JRNL REF PROC.NATL.ACAD.SCI.USA V. 97 13573 2000 JRNL REFN ISSN 0027-8424 JRNL PMID 11106395 JRNL DOI 10.1073/PNAS.97.25.13573 REMARK 2 REMARK 2 RESOLUTION. 2.40 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) : 2.40 REMARK 3 RESOLUTION RANGE LOW (ANGSTROMS) : 500.00 REMARK 3 DATA CUTOFF (SIGMA(F)) : 4.000 REMARK 3 DATA CUTOFF HIGH (ABS(F)) : NULL REMARK 3 DATA CUTOFF LOW (ABS(F)) : NULL REMARK 3 COMPLETENESS (WORKING+TEST) (%) : 99.4 REMARK 3 NUMBER OF REFLECTIONS : 12526 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) : 0.239 REMARK 3 FREE R VALUE : 0.276 REMARK 3 FREE R VALUE TEST SET SIZE (%) : 10.000 REMARK 3 FREE R VALUE TEST SET COUNT : 1227 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 : 1525 REMARK 3 NUCLEIC ACID ATOMS : 490 REMARK 3 HETEROGEN ATOMS : 1 REMARK 3 SOLVENT ATOMS : 48 REMARK 3 REMARK 3 B VALUES. REMARK 3 FROM WILSON PLOT (A**2) : 45.60 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) : 1.200 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) : NULL ; NULL REMARK 3 MAIN-CHAIN ANGLE (A**2) : NULL ; NULL REMARK 3 SIDE-CHAIN BOND (A**2) : NULL ; NULL REMARK 3 SIDE-CHAIN ANGLE (A**2) : NULL ; NULL 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: REMARK 3 USED POWELL CONJUGATE GRADIENT MINIMIZATION AND TORSION ANGLE- REMARK 3 RESTRAINED REMARK 3 MOLECULAR DYNAMICS REMARK 4 REMARK 4 1F4R COMPLIES WITH FORMAT V. 3.30, 13-JUL-11 REMARK 100 REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY RCSB ON 12-JUN-00. REMARK 100 THE DEPOSITION ID IS D_1000011241. REMARK 200 REMARK 200 EXPERIMENTAL DETAILS REMARK 200 EXPERIMENT TYPE : X-RAY DIFFRACTION REMARK 200 DATE OF DATA COLLECTION : 01-JAN-99 REMARK 200 TEMPERATURE (KELVIN) : 100 REMARK 200 PH : 8.5 REMARK 200 NUMBER OF CRYSTALS USED : 1 REMARK 200 REMARK 200 SYNCHROTRON (Y/N) : Y REMARK 200 RADIATION SOURCE : NSLS REMARK 200 BEAMLINE : X25 REMARK 200 X-RAY GENERATOR MODEL : NULL REMARK 200 MONOCHROMATIC OR LAUE (M/L) : M REMARK 200 WAVELENGTH OR RANGE (A) : 1.01 REMARK 200 MONOCHROMATOR : NULL REMARK 200 OPTICS : NULL REMARK 200 REMARK 200 DETECTOR TYPE : CCD REMARK 200 DETECTOR MANUFACTURER : PHILLIPS REMARK 200 INTENSITY-INTEGRATION SOFTWARE : DENZO REMARK 200 DATA SCALING SOFTWARE : SCALEPACK REMARK 200 REMARK 200 NUMBER OF UNIQUE REFLECTIONS : 12526 REMARK 200 RESOLUTION RANGE HIGH (A) : 2.400 REMARK 200 RESOLUTION RANGE LOW (A) : 500.000 REMARK 200 REJECTION CRITERIA (SIGMA(I)) : 2.000 REMARK 200 REMARK 200 OVERALL. REMARK 200 COMPLETENESS FOR RANGE (%) : 99.4 REMARK 200 DATA REDUNDANCY : 8.000 REMARK 200 R MERGE (I) : 0.04300 REMARK 200 R SYM (I) : NULL REMARK 200 FOR THE DATA SET : 55.4000 REMARK 200 REMARK 200 IN THE HIGHEST RESOLUTION SHELL. REMARK 200 HIGHEST RESOLUTION SHELL, RANGE HIGH (A) : 2.40 REMARK 200 HIGHEST RESOLUTION SHELL, RANGE LOW (A) : 2.51 REMARK 200 COMPLETENESS FOR SHELL (%) : 99.7 REMARK 200 DATA REDUNDANCY IN SHELL : 7.00 REMARK 200 R MERGE FOR SHELL (I) : 0.13700 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: NULL REMARK 200 SOFTWARE USED: CNS REMARK 200 STARTING MODEL: NULL REMARK 200 REMARK 200 REMARK: NULL REMARK 280 REMARK 280 CRYSTAL REMARK 280 SOLVENT CONTENT, VS (%): 47.03 REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 2.32 REMARK 280 REMARK 280 CRYSTALLIZATION CONDITIONS: PEG 4000, MAGNESIUM CHLORIDE, TRIS REMARK 280 -HCL, GLYCEROL, PH 8.5, VAPOR DIFFUSION, HANGING DROP, REMARK 280 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 21.05000 REMARK 290 SMTRY2 2 0.000000 -1.000000 0.000000 0.00000 REMARK 290 SMTRY3 2 0.000000 0.000000 1.000000 62.75000 REMARK 290 SMTRY1 3 -1.000000 0.000000 0.000000 0.00000 REMARK 290 SMTRY2 3 0.000000 1.000000 0.000000 28.65000 REMARK 290 SMTRY3 3 0.000000 0.000000 -1.000000 62.75000 REMARK 290 SMTRY1 4 1.000000 0.000000 0.000000 21.05000 REMARK 290 SMTRY2 4 0.000000 -1.000000 0.000000 28.65000 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: TRIMERIC REMARK 350 APPLY THE FOLLOWING TO CHAINS: D, E, 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 DT D 13 REMARK 465 DG E 14 REMARK 465 LYS A 80 REMARK 465 GLY A 81 REMARK 465 LEU A 200 REMARK 465 ARG A 201 REMARK 465 LYS A 202 REMARK 465 GLY A 203 REMARK 465 THR A 204 REMARK 465 ALA A 205 REMARK 465 SER A 206 REMARK 465 ARG A 207 REMARK 465 LEU A 249 REMARK 465 GLU A 250 REMARK 465 PRO A 251 REMARK 465 SER A 252 REMARK 465 GLU A 253 REMARK 465 PRO A 254 REMARK 465 ASP A 295 REMARK 465 THR A 296 REMARK 465 GLN A 297 REMARK 465 ALA A 298 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 HIS A 82 CG ND1 CD2 CE1 NE2 REMARK 470 GLU A 131 CG CD OE1 OE2 REMARK 470 THR A 199 OG1 CG2 REMARK 470 VAL A 208 CG1 CG2 REMARK 470 LYS A 210 CG CD CE NZ REMARK 470 GLN A 238 CG CD OE1 NE2 REMARK 470 GLU A 240 CG CD OE1 OE2 REMARK 470 GLU A 269 CG CD OE1 OE2 REMARK 470 GLN A 294 CG CD OE1 NE2 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 MET A 164 -23.79 -161.84 REMARK 500 ASP A 211 -31.60 -39.79 REMARK 500 GLN A 238 52.22 -144.74 REMARK 500 HIS A 266 50.34 -119.15 REMARK 500 REMARK 500 REMARK: NULL REMARK 500 REMARK 500 GEOMETRY AND STEREOCHEMISTRY REMARK 500 SUBTOPIC: PLANAR GROUPS REMARK 500 REMARK 500 PLANAR GROUPS IN THE FOLLOWING RESIDUES HAVE A TOTAL REMARK 500 RMS DISTANCE OF ALL ATOMS FROM THE BEST-FIT PLANE REMARK 500 BY MORE THAN AN EXPECTED VALUE OF 6*RMSD, WITH AN REMARK 500 RMSD 0.02 ANGSTROMS, OR AT LEAST ONE ATOM HAS REMARK 500 AN RMSD GREATER THAN THIS VALUE REMARK 500 (M=MODEL NUMBER; RES=RESIDUE NAME; C=CHAIN IDENTIFIER; REMARK 500 SSEQ=SEQUENCE NUMBER; I=INSERTION CODE). REMARK 500 REMARK 500 M RES CSSEQI RMS TYPE REMARK 500 TYR A 127 0.06 SIDE CHAIN 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 NA A1001 NA REMARK 620 N RES CSSEQI ATOM REMARK 620 1 HOH A 42 O REMARK 620 2 MET A 149 O 84.8 REMARK 620 3 SER A 171 OG 84.8 84.0 REMARK 620 4 SER A 172 O 89.9 174.7 94.9 REMARK 620 5 GLY A 174 O 80.8 96.0 165.5 83.7 REMARK 620 6 ALA A 177 O 170.6 92.1 103.7 93.2 90.8 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 NA A 1001 REMARK 900 REMARK 900 RELATED ENTRIES REMARK 900 RELATED ID: 1BNK RELATED DB: PDB REMARK 900 CRYSTAL STRUCTURE OF A HUMAN ALKYLBASE-DNA REPAIR ENZYME COMPLEXED REMARK 900 TO DNA: MECHANISMS FOR NUCLEOTIDE FLIPPING AND BASE EXCISION REMARK 900 RELATED ID: 1EWN RELATED DB: PDB REMARK 900 CRYSTAL STRUCTURE OF THE HUMAN AAG DNA REPAIR GLYCOSYLASE COMPLEXED REMARK 900 WITH 1,N6-ETHENOADENINE-DNA DBREF 1F4R A 80 298 UNP P29372 3MG_HUMAN 80 298 DBREF 1F4R D 1 13 PDB 1F4R 1F4R 1 13 DBREF 1F4R E 14 26 PDB 1F4R 1F4R 14 26 SEQRES 1 D 13 DG DA DC DA DT DG EDA DT DT DG DC DC DT SEQRES 1 E 13 DG DG DC DA DA DT DC DA DT DG DT DC DA SEQRES 1 A 219 LYS GLY HIS LEU THR ARG LEU GLY LEU GLU PHE PHE ASP SEQRES 2 A 219 GLN PRO ALA VAL PRO LEU ALA ARG ALA PHE LEU GLY GLN SEQRES 3 A 219 VAL LEU VAL ARG ARG LEU PRO ASN GLY THR GLU LEU ARG SEQRES 4 A 219 GLY ARG ILE VAL GLU THR GLU ALA TYR LEU GLY PRO GLU SEQRES 5 A 219 ASP GLU ALA ALA HIS SER ARG GLY GLY ARG GLN THR PRO SEQRES 6 A 219 ARG ASN ARG GLY MET PHE MET LYS PRO GLY THR LEU TYR SEQRES 7 A 219 VAL TYR ILE ILE TYR GLY MET TYR PHE CYS MET ASN ILE SEQRES 8 A 219 SER SER GLN GLY ASP GLY ALA CYS VAL LEU LEU ARG ALA SEQRES 9 A 219 LEU GLU PRO LEU GLU GLY LEU GLU THR MET ARG GLN LEU SEQRES 10 A 219 ARG SER THR LEU ARG LYS GLY THR ALA SER ARG VAL LEU SEQRES 11 A 219 LYS ASP ARG GLU LEU CYS SER GLY PRO SER LYS LEU CYS SEQRES 12 A 219 GLN ALA LEU ALA ILE ASN LYS SER PHE ASP GLN ARG ASP SEQRES 13 A 219 LEU ALA GLN ASP GLU ALA VAL TRP LEU GLU ARG GLY PRO SEQRES 14 A 219 LEU GLU PRO SER GLU PRO ALA VAL VAL ALA ALA ALA ARG SEQRES 15 A 219 VAL GLY VAL GLY HIS ALA GLY GLU TRP ALA ARG LYS PRO SEQRES 16 A 219 LEU ARG PHE TYR VAL ARG GLY SER PRO TRP VAL SER VAL SEQRES 17 A 219 VAL ASP ARG VAL ALA GLU GLN ASP THR GLN ALA MODRES 1F4R EDA D 7 DA HET EDA D 7 23 HET NA A1001 1 HETNAM EDA 3-[2-DEOXY-RIBOFURANOSYL]-3H-1,3,4,5A,8-PENTAAZA-AS- HETNAM 2 EDA INDACENE-5'-MONOPHOSPHATE HETNAM NA SODIUM ION FORMUL 1 EDA C12 H14 N5 O6 P FORMUL 4 NA NA 1+ FORMUL 5 HOH *48(H2 O) HELIX 1 1 GLY A 87 ASP A 92 1 6 HELIX 2 2 PRO A 94 LEU A 103 1 10 HELIX 3 3 SER A 137 ARG A 141 5 5 HELIX 4 4 ASN A 146 MET A 151 1 6 HELIX 5 5 GLY A 189 ARG A 197 1 9 HELIX 6 6 LYS A 210 LEU A 214 5 5 HELIX 7 7 GLY A 217 LEU A 225 1 9 HELIX 8 8 ASN A 228 ASP A 232 5 5 HELIX 9 9 GLY A 268 LYS A 273 1 6 HELIX 10 10 ASP A 289 GLN A 294 1 6 SHEET 1 A 6 LEU A 156 ILE A 161 0 SHEET 2 A 6 TYR A 165 SER A 171 -1 O TYR A 165 N ILE A 161 SHEET 3 A 6 CYS A 178 GLU A 188 -1 N VAL A 179 O ILE A 170 SHEET 4 A 6 GLU A 116 TYR A 127 -1 O ARG A 118 N LEU A 187 SHEET 5 A 6 VAL A 106 ARG A 110 -1 N LEU A 107 O GLY A 119 SHEET 6 A 6 VAL A 242 GLU A 245 -1 O TRP A 243 N VAL A 108 SHEET 1 B 6 LEU A 156 ILE A 161 0 SHEET 2 B 6 TYR A 165 SER A 171 -1 O TYR A 165 N ILE A 161 SHEET 3 B 6 CYS A 178 GLU A 188 -1 N VAL A 179 O ILE A 170 SHEET 4 B 6 GLU A 116 TYR A 127 -1 O ARG A 118 N LEU A 187 SHEET 5 B 6 ARG A 276 VAL A 279 -1 N PHE A 277 O THR A 124 SHEET 6 B 6 VAL A 256 ALA A 259 -1 N VAL A 257 O TYR A 278 LINK O3' DG D 6 P EDA D 7 1555 1555 1.60 LINK O3' EDA D 7 P DT D 8 1555 1555 1.61 LINK O HOH A 42 NA NA A1001 1555 1555 2.58 LINK O MET A 149 NA NA A1001 1555 1555 2.51 LINK OG SER A 171 NA NA A1001 1555 1555 2.43 LINK O SER A 172 NA NA A1001 1555 1555 2.31 LINK O GLY A 174 NA NA A1001 1555 1555 2.57 LINK O ALA A 177 NA NA A1001 1555 1555 2.55 SITE 1 AC1 6 HOH A 42 MET A 149 SER A 171 SER A 172 SITE 2 AC1 6 GLY A 174 ALA A 177 CRYST1 42.100 57.300 125.500 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 0.023753 0.000000 0.000000 0.00000 SCALE2 0.000000 0.017452 0.000000 0.00000 SCALE3 0.000000 0.000000 0.007968 0.00000