HEADER HYDROLASE/DNA 20-SEP-24 9DP1 TITLE APE1 N174A SUBSTRATE COMPLEX WITH ABASIC DNA COMPND MOL_ID: 1; COMPND 2 MOLECULE: DNA REPAIR NUCLEASE/REDOX REGULATOR APEX1, MITOCHONDRIAL; COMPND 3 CHAIN: A, B; COMPND 4 ENGINEERED: YES; COMPND 5 MUTATION: YES; COMPND 6 MOL_ID: 2; COMPND 7 MOLECULE: DNA (5'-D(P*GP*CP*TP*GP*AP*TP*GP*CP*GP*CP*(3DR) COMPND 8 P*CP*GP*AP*CP*GP*GP*AP*TP*CP*C)-3'); COMPND 9 CHAIN: D; COMPND 10 ENGINEERED: YES; COMPND 11 MOL_ID: 3; COMPND 12 MOLECULE: DNA (5'- COMPND 13 D(*GP*GP*AP*TP*CP*CP*GP*TP*CP*GP*GP*GP*CP*GP*CP*AP*TP*CP*AP*GP*C)- COMPND 14 3'); COMPND 15 CHAIN: E; COMPND 16 ENGINEERED: YES SOURCE MOL_ID: 1; SOURCE 2 ORGANISM_SCIENTIFIC: HOMO SAPIENS; SOURCE 3 ORGANISM_COMMON: HUMAN; SOURCE 4 ORGANISM_TAXID: 9606; SOURCE 5 GENE: APEX1, APE, APE1, APEX, APX, HAP1, REF1; SOURCE 6 EXPRESSION_SYSTEM: ESCHERICHIA COLI; SOURCE 7 EXPRESSION_SYSTEM_TAXID: 562; SOURCE 8 MOL_ID: 2; SOURCE 9 SYNTHETIC: YES; SOURCE 10 ORGANISM_SCIENTIFIC: SYNTHETIC CONSTRUCT; SOURCE 11 ORGANISM_TAXID: 32630; SOURCE 12 MOL_ID: 3; SOURCE 13 SYNTHETIC: YES; SOURCE 14 ORGANISM_SCIENTIFIC: SYNTHETIC CONSTRUCT; SOURCE 15 ORGANISM_TAXID: 32630 KEYWDS APE1, APEX1, ENDONUCLEASE, DNA REPAIR, HYDROLASE-DNA COMPLEX EXPDTA X-RAY DIFFRACTION AUTHOR K.M.DEHART,B.D.FREUDENTHAL REVDAT 2 29-OCT-25 9DP1 1 JRNL REVDAT 1 09-OCT-24 9DP1 0 JRNL AUTH K.M.DEHART,N.M.HOITSMA,S.H.THOMPSON,V.A.BORIN,P.K.AGARWAL, JRNL AUTH 2 B.D.FREUDENTHAL JRNL TITL APE1 ACTIVE SITE RESIDUE ASN174 STABILIZES THE AP SITE AND JRNL TITL 2 IS ESSENTIAL FOR CATALYSIS. JRNL REF J.BIOL.CHEM. V. 301 10655 2025 JRNL REFN ESSN 1083-351X JRNL PMID 40902980 JRNL DOI 10.1016/J.JBC.2025.110655 REMARK 2 REMARK 2 RESOLUTION. 2.29 ANGSTROMS. REMARK 3 REMARK 3 REFINEMENT. REMARK 3 PROGRAM : PHENIX (1.19.2_4158: ???) 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) : 2.29 REMARK 3 RESOLUTION RANGE LOW (ANGSTROMS) : 25.06 REMARK 3 MIN(FOBS/SIGMA_FOBS) : 1.960 REMARK 3 COMPLETENESS FOR RANGE (%) : 92.0 REMARK 3 NUMBER OF REFLECTIONS : 29791 REMARK 3 REMARK 3 FIT TO DATA USED IN REFINEMENT. REMARK 3 R VALUE (WORKING + TEST SET) : 0.231 REMARK 3 R VALUE (WORKING SET) : 0.230 REMARK 3 FREE R VALUE : 0.251 REMARK 3 FREE R VALUE TEST SET SIZE (%) : 6.720 REMARK 3 FREE R VALUE TEST SET COUNT : 2003 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 25.0600 - 5.5000 0.83 1774 129 0.2180 0.2042 REMARK 3 2 5.5000 - 4.3800 0.95 2050 143 0.1937 0.2040 REMARK 3 3 4.3800 - 3.8300 0.94 2061 146 0.2021 0.2160 REMARK 3 4 3.8300 - 3.4800 0.94 2002 149 0.2230 0.2565 REMARK 3 5 3.4800 - 3.2300 0.95 2056 150 0.2203 0.2170 REMARK 3 6 3.2300 - 3.0400 0.97 2099 147 0.2257 0.2459 REMARK 3 7 3.0400 - 2.8900 0.98 2102 155 0.2465 0.2882 REMARK 3 8 2.8900 - 2.7600 0.97 2066 137 0.2573 0.2805 REMARK 3 9 2.7600 - 2.6500 0.96 2127 157 0.2676 0.2935 REMARK 3 10 2.6500 - 2.5600 0.95 2033 149 0.2815 0.3286 REMARK 3 11 2.5600 - 2.4800 0.97 2110 150 0.2639 0.3213 REMARK 3 12 2.4800 - 2.4100 0.96 2059 154 0.2680 0.3194 REMARK 3 13 2.4100 - 2.3500 0.96 2078 157 0.2677 0.2969 REMARK 3 14 2.3500 - 2.2900 0.54 1171 80 0.2877 0.3486 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) : 0.280 REMARK 3 PHASE ERROR (DEGREES, MAXIMUM-LIKELIHOOD BASED) : 26.740 REMARK 3 REMARK 3 B VALUES. REMARK 3 FROM WILSON PLOT (A**2) : 30.56 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 : 0.012 5215 REMARK 3 ANGLE : 1.705 7256 REMARK 3 CHIRALITY : 0.104 789 REMARK 3 PLANARITY : 0.007 788 REMARK 3 DIHEDRAL : 22.354 1972 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 9DP1 COMPLIES WITH FORMAT V. 3.30, 13-JUL-11 REMARK 100 REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY RCSB ON 23-SEP-24. REMARK 100 THE DEPOSITION ID IS D_1000288405. REMARK 200 REMARK 200 EXPERIMENTAL DETAILS REMARK 200 EXPERIMENT TYPE : X-RAY DIFFRACTION REMARK 200 DATE OF DATA COLLECTION : 08-OCT-21 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 : ALS REMARK 200 BEAMLINE : 4.2.2 REMARK 200 X-RAY GENERATOR MODEL : NULL REMARK 200 MONOCHROMATIC OR LAUE (M/L) : M REMARK 200 WAVELENGTH OR RANGE (A) : 1.00 REMARK 200 MONOCHROMATOR : M REMARK 200 OPTICS : NULL REMARK 200 REMARK 200 DETECTOR TYPE : CMOS REMARK 200 DETECTOR MANUFACTURER : RDI CMOS_8M REMARK 200 INTENSITY-INTEGRATION SOFTWARE : XDS REMARK 200 DATA SCALING SOFTWARE : HKL-3000 705C REMARK 200 REMARK 200 NUMBER OF UNIQUE REFLECTIONS : 29791 REMARK 200 RESOLUTION RANGE HIGH (A) : 2.290 REMARK 200 RESOLUTION RANGE LOW (A) : 25.060 REMARK 200 REJECTION CRITERIA (SIGMA(I)) : NULL REMARK 200 REMARK 200 OVERALL. REMARK 200 COMPLETENESS FOR RANGE (%) : 96.6 REMARK 200 DATA REDUNDANCY : 2.500 REMARK 200 R MERGE (I) : NULL REMARK 200 R SYM (I) : NULL REMARK 200 FOR THE DATA SET : 7.6000 REMARK 200 REMARK 200 IN THE HIGHEST RESOLUTION SHELL. REMARK 200 HIGHEST RESOLUTION SHELL, RANGE HIGH (A) : 2.29 REMARK 200 HIGHEST RESOLUTION SHELL, RANGE LOW (A) : 2.34 REMARK 200 COMPLETENESS FOR SHELL (%) : 97.3 REMARK 200 DATA REDUNDANCY IN SHELL : 2.60 REMARK 200 R MERGE FOR SHELL (I) : NULL REMARK 200 R SYM FOR SHELL (I) : NULL REMARK 200 FOR SHELL : 4.390 REMARK 200 REMARK 200 DIFFRACTION PROTOCOL: SINGLE WAVELENGTH REMARK 200 METHOD USED TO DETERMINE THE STRUCTURE: MOLECULAR REPLACEMENT REMARK 200 SOFTWARE USED: PHENIX 1.19.2-4158-000 REMARK 200 STARTING MODEL: NULL REMARK 200 REMARK 200 REMARK: NULL REMARK 280 REMARK 280 CRYSTAL REMARK 280 SOLVENT CONTENT, VS (%): 50.46 REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 2.48 REMARK 280 REMARK 280 CRYSTALLIZATION CONDITIONS: 100 MM SODIUM CITRATE, PH 5.0, 200 MM REMARK 280 MAGNESIUM CHLORIDE, 16-21% PEG20000, VAPOR DIFFUSION, SITTING REMARK 280 DROP, TEMPERATURE 295K REMARK 290 REMARK 290 CRYSTALLOGRAPHIC SYMMETRY REMARK 290 SYMMETRY OPERATORS FOR SPACE GROUP: P 1 REMARK 290 REMARK 290 SYMOP SYMMETRY REMARK 290 NNNMMM OPERATOR REMARK 290 1555 X,Y,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 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 SOFTWARE DETERMINED QUATERNARY STRUCTURE: TRIMERIC REMARK 350 SOFTWARE USED: PISA REMARK 350 TOTAL BURIED SURFACE AREA: 4710 ANGSTROM**2 REMARK 350 SURFACE AREA OF THE COMPLEX: 17130 ANGSTROM**2 REMARK 350 CHANGE IN SOLVENT FREE ENERGY: -18.0 KCAL/MOL REMARK 350 APPLY THE FOLLOWING TO CHAINS: A, D, E 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: 0 ANGSTROM**2 REMARK 350 SURFACE AREA OF THE COMPLEX: 11530 ANGSTROM**2 REMARK 350 CHANGE IN SOLVENT FREE ENERGY: 0.0 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 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 PRO A 122 REMARK 465 SER A 123 REMARK 465 ASP A 124 REMARK 465 LYS A 125 REMARK 465 GLU A 126 REMARK 465 ASP A 148 REMARK 465 GLU A 149 REMARK 465 GLU A 150 REMARK 465 HIS A 151 REMARK 465 ASP A 152 REMARK 465 GLN A 153 REMARK 465 SER B 123 REMARK 465 ASP B 124 REMARK 465 LYS B 125 REMARK 465 GLU B 126 REMARK 465 GLY B 127 REMARK 465 ASP B 148 REMARK 465 GLU B 149 REMARK 465 GLU B 150 REMARK 465 HIS B 151 REMARK 465 ASP B 152 REMARK 465 GLN B 153 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 58 CE NZ REMARK 470 TYR A 128 CG CD1 CD2 CE1 CE2 CZ OH REMARK 470 LYS B 58 CG CD CE NZ REMARK 470 LYS B 79 CG CD CE NZ REMARK 470 TYR B 128 CG CD1 CD2 CE1 CE2 CZ OH REMARK 470 LEU B 140 CG CD1 CD2 REMARK 470 LYS B 141 CG CD CE NZ REMARK 470 LYS B 194 CG CD CE NZ REMARK 470 LYS B 197 CG CD CE NZ REMARK 470 LYS B 203 CG CD CE NZ REMARK 470 LYS B 228 CG CD CE NZ REMARK 470 LYS B 276 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 SER A 120 -135.11 -104.92 REMARK 500 SER A 129 -127.68 -132.65 REMARK 500 ASP B 70 67.83 37.53 REMARK 500 LYS B 78 33.58 -98.13 REMARK 500 LEU B 114 45.81 -143.96 REMARK 500 SER B 129 -134.03 -136.88 REMARK 500 ASN B 222 77.45 -112.12 REMARK 500 ASN B 272 51.27 36.60 REMARK 500 REMARK 500 REMARK: NULL DBREF 9DP1 A 43 318 UNP P27695 APEX1_HUMAN 43 318 DBREF 9DP1 B 43 318 UNP P27695 APEX1_HUMAN 43 318 DBREF 9DP1 D 1 21 PDB 9DP1 9DP1 1 21 DBREF 9DP1 E 1 21 PDB 9DP1 9DP1 1 21 SEQADV 9DP1 ALA A 138 UNP P27695 CYS 138 ENGINEERED MUTATION SEQADV 9DP1 ALA A 174 UNP P27695 ASN 174 ENGINEERED MUTATION SEQADV 9DP1 ALA B 138 UNP P27695 CYS 138 ENGINEERED MUTATION SEQADV 9DP1 ALA B 174 UNP P27695 ASN 174 ENGINEERED MUTATION SEQRES 1 A 276 ALA LEU TYR GLU ASP PRO PRO ASP GLN LYS THR SER PRO SEQRES 2 A 276 SER GLY LYS PRO ALA THR LEU LYS ILE CYS SER TRP ASN SEQRES 3 A 276 VAL ASP GLY LEU ARG ALA TRP ILE LYS LYS LYS GLY LEU SEQRES 4 A 276 ASP TRP VAL LYS GLU GLU ALA PRO ASP ILE LEU CYS LEU SEQRES 5 A 276 GLN GLU THR LYS CYS SER GLU ASN LYS LEU PRO ALA GLU SEQRES 6 A 276 LEU GLN GLU LEU PRO GLY LEU SER HIS GLN TYR TRP SER SEQRES 7 A 276 ALA PRO SER ASP LYS GLU GLY TYR SER GLY VAL GLY LEU SEQRES 8 A 276 LEU SER ARG GLN ALA PRO LEU LYS VAL SER TYR GLY ILE SEQRES 9 A 276 GLY ASP GLU GLU HIS ASP GLN GLU GLY ARG VAL ILE VAL SEQRES 10 A 276 ALA GLU PHE ASP SER PHE VAL LEU VAL THR ALA TYR VAL SEQRES 11 A 276 PRO ALA ALA GLY ARG GLY LEU VAL ARG LEU GLU TYR ARG SEQRES 12 A 276 GLN ARG TRP ASP GLU ALA PHE ARG LYS PHE LEU LYS GLY SEQRES 13 A 276 LEU ALA SER ARG LYS PRO LEU VAL LEU CYS GLY ASP LEU SEQRES 14 A 276 ASN VAL ALA HIS GLU GLU ILE ASP LEU ARG ASN PRO LYS SEQRES 15 A 276 GLY ASN LYS LYS ASN ALA GLY PHE THR PRO GLN GLU ARG SEQRES 16 A 276 GLN GLY PHE GLY GLU LEU LEU GLN ALA VAL PRO LEU ALA SEQRES 17 A 276 ASP SER PHE ARG HIS LEU TYR PRO ASN THR PRO TYR ALA SEQRES 18 A 276 TYR THR PHE TRP THR TYR MET MET ASN ALA ARG SER LYS SEQRES 19 A 276 ASN VAL GLY TRP ARG LEU ASP TYR PHE LEU LEU SER HIS SEQRES 20 A 276 SER LEU LEU PRO ALA LEU CYS ASP SER LYS ILE ARG SER SEQRES 21 A 276 LYS ALA LEU GLY SER ASP HIS CYS PRO ILE THR LEU TYR SEQRES 22 A 276 LEU ALA LEU SEQRES 1 B 276 ALA LEU TYR GLU ASP PRO PRO ASP GLN LYS THR SER PRO SEQRES 2 B 276 SER GLY LYS PRO ALA THR LEU LYS ILE CYS SER TRP ASN SEQRES 3 B 276 VAL ASP GLY LEU ARG ALA TRP ILE LYS LYS LYS GLY LEU SEQRES 4 B 276 ASP TRP VAL LYS GLU GLU ALA PRO ASP ILE LEU CYS LEU SEQRES 5 B 276 GLN GLU THR LYS CYS SER GLU ASN LYS LEU PRO ALA GLU SEQRES 6 B 276 LEU GLN GLU LEU PRO GLY LEU SER HIS GLN TYR TRP SER SEQRES 7 B 276 ALA PRO SER ASP LYS GLU GLY TYR SER GLY VAL GLY LEU SEQRES 8 B 276 LEU SER ARG GLN ALA PRO LEU LYS VAL SER TYR GLY ILE SEQRES 9 B 276 GLY ASP GLU GLU HIS ASP GLN GLU GLY ARG VAL ILE VAL SEQRES 10 B 276 ALA GLU PHE ASP SER PHE VAL LEU VAL THR ALA TYR VAL SEQRES 11 B 276 PRO ALA ALA GLY ARG GLY LEU VAL ARG LEU GLU TYR ARG SEQRES 12 B 276 GLN ARG TRP ASP GLU ALA PHE ARG LYS PHE LEU LYS GLY SEQRES 13 B 276 LEU ALA SER ARG LYS PRO LEU VAL LEU CYS GLY ASP LEU SEQRES 14 B 276 ASN VAL ALA HIS GLU GLU ILE ASP LEU ARG ASN PRO LYS SEQRES 15 B 276 GLY ASN LYS LYS ASN ALA GLY PHE THR PRO GLN GLU ARG SEQRES 16 B 276 GLN GLY PHE GLY GLU LEU LEU GLN ALA VAL PRO LEU ALA SEQRES 17 B 276 ASP SER PHE ARG HIS LEU TYR PRO ASN THR PRO TYR ALA SEQRES 18 B 276 TYR THR PHE TRP THR TYR MET MET ASN ALA ARG SER LYS SEQRES 19 B 276 ASN VAL GLY TRP ARG LEU ASP TYR PHE LEU LEU SER HIS SEQRES 20 B 276 SER LEU LEU PRO ALA LEU CYS ASP SER LYS ILE ARG SER SEQRES 21 B 276 LYS ALA LEU GLY SER ASP HIS CYS PRO ILE THR LEU TYR SEQRES 22 B 276 LEU ALA LEU SEQRES 1 D 21 DG DC DT DG DA DT DG DC DG DC 3DR DC DG SEQRES 2 D 21 DA DC DG DG DA DT DC DC SEQRES 1 E 21 DG DG DA DT DC DC DG DT DC DG DG DG DC SEQRES 2 E 21 DG DC DA DT DC DA DG DC HET 3DR D 11 11 HETNAM 3DR 1',2'-DIDEOXYRIBOFURANOSE-5'-PHOSPHATE HETSYN 3DR ABASIC DIDEOXYRIBOSE FORMUL 3 3DR C5 H11 O6 P FORMUL 5 HOH *271(H2 O) HELIX 1 AA1 GLY A 71 LYS A 78 1 8 HELIX 2 AA2 LYS A 79 ALA A 88 1 10 HELIX 3 AA3 SER A 100 LEU A 104 5 5 HELIX 4 AA4 GLU A 107 LEU A 111 5 5 HELIX 5 AA5 GLY A 176 VAL A 180 5 5 HELIX 6 AA6 ARG A 181 SER A 201 1 21 HELIX 7 AA7 GLU A 216 LEU A 220 5 5 HELIX 8 AA8 PRO A 223 LYS A 227 5 5 HELIX 9 AA9 THR A 233 VAL A 247 1 15 HELIX 10 AB1 SER A 252 TYR A 257 1 6 HELIX 11 AB2 TYR A 269 ASN A 277 5 9 HELIX 12 AB3 HIS A 289 PRO A 293 5 5 HELIX 13 AB4 GLY B 71 LYS B 78 1 8 HELIX 14 AB5 LYS B 79 ALA B 88 1 10 HELIX 15 AB6 SER B 100 LEU B 104 5 5 HELIX 16 AB7 PRO B 105 LEU B 111 5 7 HELIX 17 AB8 GLY B 176 VAL B 180 5 5 HELIX 18 AB9 ARG B 181 SER B 201 1 21 HELIX 19 AC1 GLU B 216 LEU B 220 5 5 HELIX 20 AC2 THR B 233 VAL B 247 1 15 HELIX 21 AC3 SER B 252 TYR B 257 1 6 HELIX 22 AC4 TYR B 269 ALA B 273 5 5 HELIX 23 AC5 HIS B 289 LEU B 292 5 4 SHEET 1 AA1 6 HIS A 116 TRP A 119 0 SHEET 2 AA1 6 VAL A 131 SER A 135 -1 O LEU A 133 N TYR A 118 SHEET 3 AA1 6 ILE A 91 GLN A 95 -1 N LEU A 92 O LEU A 134 SHEET 4 AA1 6 LEU A 62 ASN A 68 1 N CYS A 65 O CYS A 93 SHEET 5 AA1 6 ILE A 312 LEU A 316 -1 O LEU A 314 N ILE A 64 SHEET 6 AA1 6 LEU A 295 ILE A 300 -1 N LYS A 299 O THR A 313 SHEET 1 AA2 6 LYS A 141 TYR A 144 0 SHEET 2 AA2 6 VAL A 157 GLU A 161 -1 O GLU A 161 N LYS A 141 SHEET 3 AA2 6 VAL A 166 TYR A 171 -1 O LEU A 167 N ALA A 160 SHEET 4 AA2 6 LEU A 205 ASP A 210 1 O VAL A 206 N VAL A 166 SHEET 5 AA2 6 ASP A 283 LEU A 287 -1 O LEU A 286 N LEU A 207 SHEET 6 AA2 6 ALA A 250 ASP A 251 -1 N ALA A 250 O LEU A 287 SHEET 1 AA3 6 HIS B 116 SER B 120 0 SHEET 2 AA3 6 VAL B 131 SER B 135 -1 O LEU B 133 N TYR B 118 SHEET 3 AA3 6 ILE B 91 GLN B 95 -1 N LEU B 92 O LEU B 134 SHEET 4 AA3 6 LEU B 62 ASN B 68 1 N CYS B 65 O CYS B 93 SHEET 5 AA3 6 ILE B 312 LEU B 316 -1 O ILE B 312 N SER B 66 SHEET 6 AA3 6 LEU B 295 ILE B 300 -1 N LYS B 299 O THR B 313 SHEET 1 AA4 6 LYS B 141 TYR B 144 0 SHEET 2 AA4 6 VAL B 157 GLU B 161 -1 O VAL B 159 N SER B 143 SHEET 3 AA4 6 VAL B 166 TYR B 171 -1 O LEU B 167 N ALA B 160 SHEET 4 AA4 6 LEU B 205 ASP B 210 1 O VAL B 206 N VAL B 166 SHEET 5 AA4 6 ASP B 283 LEU B 287 -1 O LEU B 286 N LEU B 207 SHEET 6 AA4 6 ALA B 250 ASP B 251 -1 N ALA B 250 O LEU B 287 LINK O3' DC D 10 P 3DR D 11 1555 1555 1.55 LINK O3' 3DR D 11 P DC D 12 1555 1555 1.60 CISPEP 1 VAL A 247 PRO A 248 0 -10.76 CISPEP 2 VAL B 247 PRO B 248 0 -16.46 CRYST1 43.943 60.498 73.075 81.81 75.60 88.73 P 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 0.022757 -0.000505 -0.005831 0.00000 SCALE2 0.000000 0.016534 -0.002362 0.00000 SCALE3 0.000000 0.000000 0.014272 0.00000 CONECT 4354 4366 CONECT 4365 4366 4370 CONECT 4366 4354 4365 4367 4368 CONECT 4367 4366 CONECT 4368 4366 CONECT 4369 4373 4374 CONECT 4370 4365 4371 CONECT 4371 4370 4372 4374 CONECT 4372 4371 4373 CONECT 4373 4369 4372 CONECT 4374 4369 4371 4375 CONECT 4375 4374 4376 CONECT 4376 4375 MASTER 278 0 1 23 24 0 0 6 5277 4 13 48 END