PDB Short entry for 1DEW HEADER LYASE/DNA 15-NOV-99 1DEW TITLE CRYSTAL STRUCTURE OF HUMAN APE1 BOUND TO ABASIC DNA COMPND MOL_ID: 1; COMPND 2 MOLECULE: 5'-D(*GP*CP*GP*TP*CP*CP*(3DR) COMPND 3 P*CP*GP*AP*CP*GP*AP*CP*G)-3'; COMPND 4 CHAIN: X, U; COMPND 5 ENGINEERED: YES; COMPND 6 OTHER_DETAILS: DNA CONTAINS ABASIC NUCLEOTIDE 3DR; COMPND 7 MOL_ID: 2; COMPND 8 MOLECULE: 5'-D(*GP*TP*CP*GP*TP*CP*GP*GP*GP*GP*AP*CP*GP*C)- COMPND 9 3'; COMPND 10 CHAIN: Y, V; COMPND 11 ENGINEERED: YES; COMPND 12 MOL_ID: 3; COMPND 13 MOLECULE: MAJOR APURINIC/APYRIMIDINIC ENDONUCLEASE; COMPND 14 CHAIN: A, B; COMPND 15 FRAGMENT: APE1; COMPND 16 SYNONYM: APE1; COMPND 17 EC: 4.2.99.18; COMPND 18 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 KEYWDS ENZYME:DNA COMPLEX, DNA REPAIR, ABASIC SITE, LYASE/DNA KEYWDS 2 COMPLEX EXPDTA X-RAY DIFFRACTION AUTHOR C.D.MOL,T.IZUMI,S.MITRA,J.A.TAINER REVDAT 4 24-FEB-09 1DEW 1 VERSN REVDAT 3 30-MAR-04 1DEW 1 HELIX COMPND JRNL REMARK REVDAT 2 01-APR-03 1DEW 1 JRNL REVDAT 1 02-FEB-00 1DEW 0 JRNL AUTH C.D.MOL,T.IZUMI,S.MITRA,J.A.TAINER JRNL TITL DNA-BOUND STRUCTURES AND MUTANTS REVEAL ABASIC DNA JRNL TITL 2 BINDING BY APE1 AND DNA REPAIR COORDINATION JRNL REF NATURE V. 403 451 2000 JRNL REFN ISSN 0028-0836 JRNL PMID 10667800 JRNL DOI 10.1038/35000249 REMARK 1 REMARK 2 REMARK 2 RESOLUTION. 2.65 ANGSTROMS. REMARK 3 REMARK 3 REFINEMENT. REMARK 3 PROGRAM : X-PLOR 3.851 REMARK 3 AUTHORS : BRUNGER REMARK 3 REMARK 3 DATA USED IN REFINEMENT. REMARK 3 RESOLUTION RANGE HIGH (ANGSTROMS) : 2.65 REMARK 3 RESOLUTION RANGE LOW (ANGSTROMS) : 20.00 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) (%) : 90.9 REMARK 3 NUMBER OF REFLECTIONS : 22677 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) : 0.195 REMARK 3 FREE R VALUE : 0.286 REMARK 3 FREE R VALUE TEST SET SIZE (%) : 10.000 REMARK 3 FREE R VALUE TEST SET COUNT : 2534 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 : 4421 REMARK 3 NUCLEIC ACID ATOMS : 1164 REMARK 3 HETEROGEN ATOMS : 5 REMARK 3 SOLVENT ATOMS : 444 REMARK 3 REMARK 3 B VALUES. REMARK 3 FROM WILSON PLOT (A**2) : 60.00 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) : 0.007 REMARK 3 BOND ANGLES (DEGREES) : 1.34 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 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: OVERALL ANISOTROPIC AND BULK SOLVENT REMARK 3 CORRECTIONS APPLIED TO NATIVE DATA SET REMARK 4 REMARK 4 1DEW COMPLIES WITH FORMAT V. 3.15, 01-DEC-08 REMARK 100 REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY RCSB ON 18-NOV-99. REMARK 100 THE RCSB ID CODE IS RCSB010023. REMARK 200 REMARK 200 EXPERIMENTAL DETAILS REMARK 200 EXPERIMENT TYPE : X-RAY DIFFRACTION REMARK 200 DATE OF DATA COLLECTION : 01-JUN-99 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 : SSRL REMARK 200 BEAMLINE : BL9-1 REMARK 200 X-RAY GENERATOR MODEL : NULL REMARK 200 MONOCHROMATIC OR LAUE (M/L) : M REMARK 200 WAVELENGTH OR RANGE (A) : 0.9800 REMARK 200 MONOCHROMATOR : NULL REMARK 200 OPTICS : NULL REMARK 200 REMARK 200 DETECTOR TYPE : IMAGE PLATE REMARK 200 DETECTOR MANUFACTURER : MARRESEARCH REMARK 200 INTENSITY-INTEGRATION SOFTWARE : DENZO REMARK 200 DATA SCALING SOFTWARE : SCALEPACK REMARK 200 REMARK 200 NUMBER OF UNIQUE REFLECTIONS : 24575 REMARK 200 RESOLUTION RANGE HIGH (A) : 2.650 REMARK 200 RESOLUTION RANGE LOW (A) : 20.000 REMARK 200 REJECTION CRITERIA (SIGMA(I)) : 2.000 REMARK 200 REMARK 200 OVERALL. REMARK 200 COMPLETENESS FOR RANGE (%) : 93.0 REMARK 200 DATA REDUNDANCY : 2.500 REMARK 200 R MERGE (I) : 0.08500 REMARK 200 R SYM (I) : NULL REMARK 200 <I/SIGMA(I)> FOR THE DATA SET : 7.8000 REMARK 200 REMARK 200 IN THE HIGHEST RESOLUTION SHELL. REMARK 200 HIGHEST RESOLUTION SHELL, RANGE HIGH (A) : 2.65 REMARK 200 HIGHEST RESOLUTION SHELL, RANGE LOW (A) : 2.74 REMARK 200 COMPLETENESS FOR SHELL (%) : 91.6 REMARK 200 DATA REDUNDANCY IN SHELL : 2.20 REMARK 200 R MERGE FOR SHELL (I) : 0.36700 REMARK 200 R SYM FOR SHELL (I) : NULL REMARK 200 <I/SIGMA(I)> FOR SHELL : NULL REMARK 200 REMARK 200 DIFFRACTION PROTOCOL: SINGLE WAVELENGTH REMARK 200 METHOD USED TO DETERMINE THE STRUCTURE: NULL REMARK 200 SOFTWARE USED: AMORE REMARK 200 STARTING MODEL: NULL REMARK 200 REMARK 200 REMARK: NULL REMARK 280 REMARK 280 CRYSTAL REMARK 280 SOLVENT CONTENT, VS (%): 58.39 REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 2.96 REMARK 280 REMARK 280 CRYSTALLIZATION CONDITIONS: MPEG 2000, LITHIUM SULFATE, REMARK 280 CACODYLATE BUFFER, PH 6.5, VAPOR DIFFUSION, HANGING DROP, REMARK 280 TEMPERATURE 298K 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 36.12450 REMARK 290 SMTRY3 2 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: TRIMERIC REMARK 350 APPLY THE FOLLOWING TO CHAINS: X, Y, 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 350 REMARK 350 BIOMOLECULE: 2 REMARK 350 AUTHOR DETERMINED BIOLOGICAL UNIT: TRIMERIC REMARK 350 APPLY THE FOLLOWING TO CHAINS: U, V, 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 GLU A 40 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 LYS A 125 CG CD CE NZ REMARK 470 LYS B 125 CG CD CE NZ 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 PRO A 48 154.02 -49.70 REMARK 500 SER A 129 -138.58 50.37 REMARK 500 ASN A 222 73.04 -110.20 REMARK 500 TYR A 257 71.30 -118.32 REMARK 500 LYS B 52 37.29 -97.08 REMARK 500 LEU B 114 54.34 -141.76 REMARK 500 ASP B 124 -51.63 -142.82 REMARK 500 LYS B 125 81.87 -61.16 REMARK 500 SER B 129 -143.45 55.39 REMARK 500 TYR B 262 18.68 57.35 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 171 0.10 SIDE_CHAIN REMARK 500 REMARK 500 REMARK: NULL REMARK 800 REMARK 800 SITE REMARK 800 SITE_IDENTIFIER: AC1 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE SO4 B 2055 REMARK 900 REMARK 900 RELATED ENTRIES REMARK 900 RELATED ID: 1BIX RELATED DB: PDB REMARK 900 CRYSTAL STRUCTURE OF UNCOMPLEXED APE1 REMARK 900 RELATED ID: 1DE8 RELATED DB: PDB REMARK 900 CRYSTAL STRUCTURE OF HUMAN APE1 BOUND TO ANOTHER ABASIC DNA REMARK 900 RELATED ID: 1DE9 RELATED DB: PDB REMARK 900 CRYSTAL STRUCTURE OF TERNARY APE1:DNA:MN2+ COMPLEX DBREF 1DEW A 40 318 UNP P27695 APEX1_HUMAN 39 317 DBREF 1DEW B 40 318 UNP P27695 APEX1_HUMAN 39 317 DBREF 1DEW X 1 15 PDB 1DEW 1DEW 1 15 DBREF 1DEW Y 17 30 PDB 1DEW 1DEW 17 30 DBREF 1DEW U 31 45 PDB 1DEW 1DEW 31 45 DBREF 1DEW V 47 60 PDB 1DEW 1DEW 47 60 SEQRES 1 X 15 DG DC DG DT DC DC 3DR DC DG DA DC DG DA SEQRES 2 X 15 DC DG SEQRES 1 Y 14 DG DT DC DG DT DC DG DG DG DG DA DC DG SEQRES 2 Y 14 DC SEQRES 1 U 15 DG DC DG DT DC DC 3DR DC DG DA DC DG DA SEQRES 2 U 15 DC DG SEQRES 1 V 14 DG DT DC DG DT DC DG DG DG DG DA DC DG SEQRES 2 V 14 DC SEQRES 1 A 279 GLU GLY PRO ALA LEU TYR GLU ASP PRO PRO ASP HIS LYS SEQRES 2 A 279 THR SER PRO SER GLY LYS PRO ALA THR LEU LYS ILE CYS SEQRES 3 A 279 SER TRP ASN VAL ASP GLY LEU ARG ALA TRP ILE LYS LYS SEQRES 4 A 279 LYS GLY LEU ASP TRP VAL LYS GLU GLU ALA PRO ASP ILE SEQRES 5 A 279 LEU CYS LEU GLN GLU THR LYS CYS SER GLU ASN LYS LEU SEQRES 6 A 279 PRO ALA GLU LEU GLN GLU LEU PRO GLY LEU SER HIS GLN SEQRES 7 A 279 TYR TRP SER ALA PRO SER ASP LYS GLU GLY TYR SER GLY SEQRES 8 A 279 VAL GLY LEU LEU SER ARG GLN CYS PRO LEU LYS VAL SER SEQRES 9 A 279 TYR GLY ILE GLY ASP GLU GLU HIS ASP GLN GLU GLY ARG SEQRES 10 A 279 VAL ILE VAL ALA GLU PHE ASP SER PHE VAL LEU VAL THR SEQRES 11 A 279 ALA TYR VAL PRO ASN ALA GLY ARG GLY LEU VAL ARG LEU SEQRES 12 A 279 GLU TYR ARG GLN ARG TRP ASP GLU ALA PHE ARG LYS PHE SEQRES 13 A 279 LEU LYS GLY LEU ALA SER ARG LYS PRO LEU VAL LEU CYS SEQRES 14 A 279 GLY ASP LEU ASN VAL ALA HIS GLU GLU ILE ASP LEU ARG SEQRES 15 A 279 ASN PRO LYS GLY ASN LYS LYS ASN ALA GLY PHE THR PRO SEQRES 16 A 279 GLN GLU ARG GLN GLY PHE GLY GLU LEU LEU GLN ALA VAL SEQRES 17 A 279 PRO LEU ALA ASP SER PHE ARG HIS LEU TYR PRO ASN THR SEQRES 18 A 279 PRO TYR ALA TYR THR PHE TRP THR TYR MET MET ASN ALA SEQRES 19 A 279 ARG SER LYS ASN VAL GLY TRP ARG LEU ASP TYR PHE LEU SEQRES 20 A 279 LEU SER HIS SER LEU LEU PRO ALA LEU CYS ASP SER LYS SEQRES 21 A 279 ILE ARG SER LYS ALA LEU GLY SER ASP HIS CYS PRO ILE SEQRES 22 A 279 THR LEU TYR LEU ALA LEU SEQRES 1 B 279 GLU GLY PRO ALA LEU TYR GLU ASP PRO PRO ASP HIS LYS SEQRES 2 B 279 THR SER PRO SER GLY LYS PRO ALA THR LEU LYS ILE CYS SEQRES 3 B 279 SER TRP ASN VAL ASP GLY LEU ARG ALA TRP ILE LYS LYS SEQRES 4 B 279 LYS GLY LEU ASP TRP VAL LYS GLU GLU ALA PRO ASP ILE SEQRES 5 B 279 LEU CYS LEU GLN GLU THR LYS CYS SER GLU ASN LYS LEU SEQRES 6 B 279 PRO ALA GLU LEU GLN GLU LEU PRO GLY LEU SER HIS GLN SEQRES 7 B 279 TYR TRP SER ALA PRO SER ASP LYS GLU GLY TYR SER GLY SEQRES 8 B 279 VAL GLY LEU LEU SER ARG GLN CYS PRO LEU LYS VAL SER SEQRES 9 B 279 TYR GLY ILE GLY ASP GLU GLU HIS ASP GLN GLU GLY ARG SEQRES 10 B 279 VAL ILE VAL ALA GLU PHE ASP SER PHE VAL LEU VAL THR SEQRES 11 B 279 ALA TYR VAL PRO ASN ALA GLY ARG GLY LEU VAL ARG LEU SEQRES 12 B 279 GLU TYR ARG GLN ARG TRP ASP GLU ALA PHE ARG LYS PHE SEQRES 13 B 279 LEU LYS GLY LEU ALA SER ARG LYS PRO LEU VAL LEU CYS SEQRES 14 B 279 GLY ASP LEU ASN VAL ALA HIS GLU GLU ILE ASP LEU ARG SEQRES 15 B 279 ASN PRO LYS GLY ASN LYS LYS ASN ALA GLY PHE THR PRO SEQRES 16 B 279 GLN GLU ARG GLN GLY PHE GLY GLU LEU LEU GLN ALA VAL SEQRES 17 B 279 PRO LEU ALA ASP SER PHE ARG HIS LEU TYR PRO ASN THR SEQRES 18 B 279 PRO TYR ALA TYR THR PHE TRP THR TYR MET MET ASN ALA SEQRES 19 B 279 ARG SER LYS ASN VAL GLY TRP ARG LEU ASP TYR PHE LEU SEQRES 20 B 279 LEU SER HIS SER LEU LEU PRO ALA LEU CYS ASP SER LYS SEQRES 21 B 279 ILE ARG SER LYS ALA LEU GLY SER ASP HIS CYS PRO ILE SEQRES 22 B 279 THR LEU TYR LEU ALA LEU HET 3DR X 7 11 HET 3DR U 37 11 HET SO4 B2055 5 HETNAM 3DR 1',2'-DIDEOXYRIBOFURANOSE-5'-PHOSPHATE HETNAM SO4 SULFATE ION HETSYN 3DR ABASIC DIDEOXYRIBOSE FORMUL 1 3DR 2(C5 H11 O6 P) FORMUL 7 SO4 O4 S 2- FORMUL 8 HOH *444(H2 O) HELIX 1 1 GLY A 71 LYS A 78 1 8 HELIX 2 2 LYS A 79 ALA A 88 1 10 HELIX 3 3 PRO A 105 SER A 115 5 11 HELIX 4 4 ASP A 148 ASP A 152 5 5 HELIX 5 5 GLY A 176 VAL A 180 5 5 HELIX 6 6 ARG A 181 SER A 201 1 21 HELIX 7 7 GLU A 216 LEU A 220 5 5 HELIX 8 8 ASN A 222 LYS A 227 1 6 HELIX 9 9 THR A 233 VAL A 247 1 15 HELIX 10 10 SER A 252 TYR A 257 1 6 HELIX 11 11 TYR A 269 ALA A 273 5 5 HELIX 12 12 HIS A 289 PRO A 293 5 5 HELIX 13 13 GLY B 71 LYS B 78 1 8 HELIX 14 14 LYS B 79 ALA B 88 1 10 HELIX 15 15 PRO B 105 GLU B 110 5 6 HELIX 16 16 GLY B 176 VAL B 180 5 5 HELIX 17 17 ARG B 181 LYS B 203 1 23 HELIX 18 18 GLU B 216 LEU B 220 5 5 HELIX 19 19 THR B 233 VAL B 247 1 15 HELIX 20 20 SER B 252 TYR B 257 1 6 HELIX 21 21 ASN B 272 ASN B 277 1 6 HELIX 22 22 HIS B 289 PRO B 293 5 5 SHEET 1 A 6 HIS A 116 SER A 120 0 SHEET 2 A 6 VAL A 131 SER A 135 -1 O SER A 135 N HIS A 116 SHEET 3 A 6 ILE A 91 GLN A 95 -1 N LEU A 92 O LEU A 134 SHEET 4 A 6 LEU A 62 ASN A 68 1 N TRP A 67 O CYS A 93 SHEET 5 A 6 ILE A 312 LEU A 316 -1 O LEU A 314 N ILE A 64 SHEET 6 A 6 LEU A 295 ILE A 300 -1 N LYS A 299 O THR A 313 SHEET 1 B 6 LYS A 141 TYR A 144 0 SHEET 2 B 6 VAL A 157 GLU A 161 -1 O VAL A 159 N SER A 143 SHEET 3 B 6 VAL A 166 TYR A 171 -1 O LEU A 167 N ALA A 160 SHEET 4 B 6 LEU A 205 ASP A 210 1 O VAL A 206 N VAL A 168 SHEET 5 B 6 ASP A 283 LEU A 287 -1 O LEU A 286 N LEU A 207 SHEET 6 B 6 ALA A 250 ASP A 251 -1 N ALA A 250 O LEU A 287 SHEET 1 C 6 HIS B 116 SER B 120 0 SHEET 2 C 6 VAL B 131 SER B 135 -1 O LEU B 133 N TYR B 118 SHEET 3 C 6 ILE B 91 GLN B 95 -1 N LEU B 94 O GLY B 132 SHEET 4 C 6 LEU B 62 ASN B 68 1 N CYS B 65 O CYS B 93 SHEET 5 C 6 ILE B 312 LEU B 316 -1 O LEU B 314 N ILE B 64 SHEET 6 C 6 LEU B 295 ILE B 300 -1 N LYS B 299 O THR B 313 SHEET 1 D 6 LYS B 141 TYR B 144 0 SHEET 2 D 6 VAL B 157 GLU B 161 -1 O VAL B 159 N SER B 143 SHEET 3 D 6 VAL B 166 TYR B 171 -1 O LEU B 167 N ALA B 160 SHEET 4 D 6 LEU B 205 ASP B 210 1 O CYS B 208 N VAL B 168 SHEET 5 D 6 ASP B 283 LEU B 287 -1 O LEU B 286 N LEU B 207 SHEET 6 D 6 ALA B 250 ASP B 251 -1 N ALA B 250 O LEU B 287 LINK O3' DC U 36 P 3DR U 37 1555 1555 1.64 LINK O3' 3DR U 37 P DC U 38 1555 1555 1.60 LINK O3' DC X 6 P 3DR X 7 1555 1555 1.66 LINK O3' 3DR X 7 P DC X 8 1555 1555 1.60 CISPEP 1 VAL A 247 PRO A 248 0 -0.23 CISPEP 2 VAL B 247 PRO B 248 0 0.10 SITE 1 AC1 2 ARG B 136 GLN B 137 CRYST1 71.221 72.249 93.749 90.00 94.29 90.00 P 1 21 1 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 0.014041 0.000000 0.001054 0.00000 SCALE2 0.000000 0.013841 0.000000 0.00000 SCALE3 0.000000 0.000000 0.010697 0.00000