HEADER TRANSFERASE/DNA 28-NOV-18 6N7W TITLE STRUCTURE OF BACTERIOPHAGE T7 LEADING-STRAND DNA POLYMERASE (D5A/E7A) TITLE 2 /TRX IN COMPLEX WITH A DNA FORK AND INCOMING DTTP (FROM MULTIPLE LEAD TITLE 3 COMPLEXES) COMPND MOL_ID: 1; COMPND 2 MOLECULE: DNA-DIRECTED DNA POLYMERASE; COMPND 3 CHAIN: H; COMPND 4 SYNONYM: GENE PRODUCT 5,GP5; COMPND 5 EC: 2.7.7.7,3.1.11.-; COMPND 6 ENGINEERED: YES; COMPND 7 MUTATION: YES; COMPND 8 MOL_ID: 2; COMPND 9 MOLECULE: TRXA; COMPND 10 CHAIN: I; COMPND 11 SYNONYM: THIOREDOXIN 1; COMPND 12 ENGINEERED: YES; COMPND 13 MOL_ID: 3; COMPND 14 MOLECULE: DNA (25-MER); COMPND 15 CHAIN: P; COMPND 16 ENGINEERED: YES; COMPND 17 MOL_ID: 4; COMPND 18 MOLECULE: DNA (77-MER); COMPND 19 CHAIN: T; COMPND 20 ENGINEERED: YES SOURCE MOL_ID: 1; SOURCE 2 ORGANISM_SCIENTIFIC: ENTEROBACTERIA PHAGE T7; SOURCE 3 ORGANISM_COMMON: BACTERIOPHAGE T7; SOURCE 4 ORGANISM_TAXID: 10760; SOURCE 5 EXPRESSION_SYSTEM: ESCHERICHIA COLI; SOURCE 6 EXPRESSION_SYSTEM_TAXID: 562; SOURCE 7 MOL_ID: 2; SOURCE 8 ORGANISM_SCIENTIFIC: ESCHERICHIA COLI; SOURCE 9 ORGANISM_TAXID: 562; SOURCE 10 GENE: TRXA; SOURCE 11 EXPRESSION_SYSTEM: ESCHERICHIA COLI; SOURCE 12 EXPRESSION_SYSTEM_TAXID: 562; SOURCE 13 MOL_ID: 3; SOURCE 14 SYNTHETIC: YES; SOURCE 15 ORGANISM_SCIENTIFIC: ENTEROBACTERIA PHAGE T7; SOURCE 16 ORGANISM_TAXID: 10760; SOURCE 17 MOL_ID: 4; SOURCE 18 SYNTHETIC: YES; SOURCE 19 ORGANISM_SCIENTIFIC: ENTEROBACTERIA PHAGE T7; SOURCE 20 ORGANISM_TAXID: 10760 KEYWDS DNA POLYMERASE, HELICASE, DNA REPLICATION, REPLISOME, TRANSFERASE-DNA KEYWDS 2 COMPLEX EXPDTA ELECTRON MICROSCOPY AUTHOR Y.GAO,T.FOX,N.VAL,W.YANG REVDAT 3 20-MAR-24 6N7W 1 REMARK REVDAT 2 18-DEC-19 6N7W 1 REMARK REVDAT 1 06-MAR-19 6N7W 0 JRNL AUTH Y.GAO,Y.CUI,T.FOX,S.LIN,H.WANG,N.DE VAL,Z.H.ZHOU,W.YANG JRNL TITL STRUCTURES AND OPERATING PRINCIPLES OF THE REPLISOME. JRNL REF SCIENCE V. 363 2019 JRNL REFN ESSN 1095-9203 JRNL PMID 30679383 JRNL DOI 10.1126/SCIENCE.AAV7003 REMARK 2 REMARK 2 RESOLUTION. 4.50 ANGSTROMS. REMARK 3 REMARK 3 REFINEMENT. REMARK 3 SOFTWARE PACKAGES : UCSF CHIMERA, RELION, RELION, RELION, REMARK 3 PHENIX REMARK 3 RECONSTRUCTION SCHEMA : NULL REMARK 3 REMARK 3 EM MAP-MODEL FITTING AND REFINEMENT REMARK 3 PDB ENTRY : 1T8E REMARK 3 REFINEMENT SPACE : REAL REMARK 3 REFINEMENT PROTOCOL : FLEXIBLE FIT REMARK 3 REFINEMENT TARGET : NULL REMARK 3 OVERALL ANISOTROPIC B VALUE : NULL REMARK 3 REMARK 3 FITTING PROCEDURE : NULL REMARK 3 REMARK 3 EM IMAGE RECONSTRUCTION STATISTICS REMARK 3 NOMINAL PIXEL SIZE (ANGSTROMS) : NULL REMARK 3 ACTUAL PIXEL SIZE (ANGSTROMS) : NULL REMARK 3 EFFECTIVE RESOLUTION (ANGSTROMS) : 4.500 REMARK 3 NUMBER OF PARTICLES : 129003 REMARK 3 CTF CORRECTION METHOD : PHASE FLIPPING AND AMPLITUDE REMARK 3 CORRECTION REMARK 3 REMARK 3 EM RECONSTRUCTION MAGNIFICATION CALIBRATION: NULL REMARK 3 REMARK 3 OTHER DETAILS: NULL REMARK 4 REMARK 4 6N7W COMPLIES WITH FORMAT V. 3.30, 13-JUL-11 REMARK 100 REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY RCSB ON 29-NOV-18. REMARK 100 THE DEPOSITION ID IS D_1000238324. REMARK 245 REMARK 245 EXPERIMENTAL DETAILS REMARK 245 RECONSTRUCTION METHOD : SINGLE PARTICLE REMARK 245 SPECIMEN TYPE : NULL REMARK 245 REMARK 245 ELECTRON MICROSCOPE SAMPLE REMARK 245 SAMPLE TYPE : PARTICLE REMARK 245 PARTICLE TYPE : POINT REMARK 245 NAME OF SAMPLE : D5AE7A MUTANT GP5 DNA REMARK 245 POLYMERASE COMPLEXED WITH TRX, REMARK 245 FORK DNA, AND INCOMING DTTP REMARK 245 (FROM GP4-GP5 LEADING-STRAND REMARK 245 COMPLEXES) REMARK 245 SAMPLE CONCENTRATION (MG ML-1) : NULL REMARK 245 SAMPLE SUPPORT DETAILS : UNSPECIFIED REMARK 245 SAMPLE VITRIFICATION DETAILS : NULL REMARK 245 SAMPLE BUFFER : NULL REMARK 245 PH : 7.50 REMARK 245 SAMPLE DETAILS : NULL REMARK 245 REMARK 245 DATA ACQUISITION REMARK 245 DATE OF EXPERIMENT : NULL REMARK 245 NUMBER OF MICROGRAPHS-IMAGES : NULL REMARK 245 TEMPERATURE (KELVIN) : NULL REMARK 245 MICROSCOPE MODEL : FEI TITAN KRIOS REMARK 245 DETECTOR TYPE : GATAN K2 SUMMIT (4K X 4K) REMARK 245 MINIMUM DEFOCUS (NM) : NULL REMARK 245 MAXIMUM DEFOCUS (NM) : NULL REMARK 245 MINIMUM TILT ANGLE (DEGREES) : NULL REMARK 245 MAXIMUM TILT ANGLE (DEGREES) : NULL REMARK 245 NOMINAL CS : NULL REMARK 245 IMAGING MODE : BRIGHT FIELD REMARK 245 ELECTRON DOSE (ELECTRONS NM**-2) : 4000.00 REMARK 245 ILLUMINATION MODE : FLOOD BEAM REMARK 245 NOMINAL MAGNIFICATION : NULL REMARK 245 CALIBRATED MAGNIFICATION : NULL REMARK 245 SOURCE : FIELD EMISSION GUN REMARK 245 ACCELERATION VOLTAGE (KV) : 300 REMARK 245 IMAGING DETAILS : NULL REMARK 247 REMARK 247 ELECTRON MICROSCOPY REMARK 247 THE COORDINATES IN THIS ENTRY WERE GENERATED FROM ELECTRON REMARK 247 MICROSCOPY DATA. PROTEIN DATA BANK CONVENTIONS REQUIRE REMARK 247 THAT CRYST1 AND SCALE RECORDS BE INCLUDED, BUT THE VALUES REMARK 247 ON THESE RECORDS ARE MEANINGLESS EXCEPT FOR THE CALCULATION REMARK 247 OF THE STRUCTURE FACTORS. 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: TETRAMERIC REMARK 350 APPLY THE FOLLOWING TO CHAINS: H, I, P, T 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 SER H 112 REMARK 465 GLY H 113 REMARK 465 MET I 0 REMARK 465 SER I 1 REMARK 465 ALA I 108 REMARK 465 DT T 2 REMARK 465 DT T 3 REMARK 465 DT T 4 REMARK 465 DG T 5 REMARK 465 DG T 6 REMARK 465 DT T 7 REMARK 465 DC T 8 REMARK 465 DA T 9 REMARK 465 DT T 10 REMARK 465 DT T 11 REMARK 465 DT T 12 REMARK 465 DT T 13 REMARK 465 DT T 14 REMARK 465 DT T 15 REMARK 465 DT T 16 REMARK 465 DT T 17 REMARK 465 DT T 18 REMARK 465 DT T 19 REMARK 465 DT T 20 REMARK 465 DT T 21 REMARK 465 DT T 22 REMARK 465 DT T 23 REMARK 465 DT T 24 REMARK 465 DT T 25 REMARK 465 DT T 26 REMARK 465 DT T 27 REMARK 465 DT T 28 REMARK 465 DT T 29 REMARK 465 DT T 39 REMARK 465 DT T 40 REMARK 465 DT T 41 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 ASP H 5 CG OD1 OD2 REMARK 470 GLU H 7 CG CD OE1 OE2 REMARK 470 GLU H 166 CG CD OE1 OE2 REMARK 470 LYS H 293 CG CD CE NZ REMARK 470 LYS H 300 CG CD CE NZ REMARK 470 LYS H 302 CG CD CE NZ REMARK 470 ARG H 318 CG CD NE CZ NH1 NH2 REMARK 470 GLN H 571 CG CD OE1 NE2 REMARK 470 GLU H 583 CG CD OE1 OE2 REMARK 470 GLU I 48 CG CD OE1 OE2 REMARK 470 LYS I 52 CG CD CE NZ REMARK 470 LYS I 90 CG CD CE NZ 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 DT P 3 O4' - C1' - N1 ANGL. DEV. = 2.0 DEGREES REMARK 500 DG P 24 C3' - O3' - P ANGL. DEV. = 19.8 DEGREES REMARK 500 2DA P 25 O3' - P - O5' ANGL. DEV. = -12.5 DEGREES REMARK 500 2DA P 25 O3' - P - OP2 ANGL. DEV. = -18.0 DEGREES REMARK 500 2DA P 25 O3' - P - OP1 ANGL. DEV. = 34.9 DEGREES REMARK 500 DT T 74 O4' - C1' - N1 ANGL. DEV. = 2.0 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 ARG H 119 30.93 -96.02 REMARK 500 GLU H 209 31.75 -97.17 REMARK 500 PRO H 233 -179.00 -69.47 REMARK 500 ILE H 297 -56.23 -122.91 REMARK 500 TYR H 447 -1.45 67.89 REMARK 500 ASP H 654 31.94 38.00 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 ARG H 52 0.19 SIDE CHAIN REMARK 500 ARG H 96 0.13 SIDE CHAIN REMARK 500 ARG H 307 0.18 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 MG H4001 MG REMARK 620 N RES CSSEQI ATOM REMARK 620 1 ASP H 475 OD1 REMARK 620 2 ALA H 476 O 73.9 REMARK 620 3 ASP H 654 OD2 81.4 129.8 REMARK 620 4 TTP H4002 O2B 140.7 67.7 130.5 REMARK 620 5 TTP H4002 O3G 94.3 102.3 122.8 86.1 REMARK 620 6 TTP H4002 O2A 138.9 147.0 71.7 79.3 76.0 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 MG H 4001 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC2 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: binding site for residue TTP H 4002 REMARK 900 REMARK 900 RELATED ENTRIES REMARK 900 RELATED ID: EMD-0365 RELATED DB: EMDB REMARK 900 RELATED ID: EMD-0357 RELATED DB: EMDB REMARK 900 RELATED ID: EMD-0359 RELATED DB: EMDB REMARK 900 RELATED ID: EMD-0362 RELATED DB: EMDB REMARK 900 RELATED ID: EMD-0363 RELATED DB: EMDB REMARK 900 RELATED ID: EMD-0364 RELATED DB: EMDB DBREF 6N7W H 1 704 UNP P00581 DPOL_BPT7 1 704 DBREF 6N7W I 0 108 UNP Q14F07 Q14F07_ECOLX 36 144 DBREF 6N7W P 1 25 PDB 6N7W 6N7W 1 25 DBREF 6N7W T 2 77 PDB 6N7W 6N7W 2 77 SEQRES 1 H 704 MET ILE VAL SER ASP ILE GLU ALA ASN ALA LEU LEU GLU SEQRES 2 H 704 SER VAL THR LYS PHE HIS CYS GLY VAL ILE TYR ASP TYR SEQRES 3 H 704 SER THR ALA GLU TYR VAL SER TYR ARG PRO SER ASP PHE SEQRES 4 H 704 GLY ALA TYR LEU ASP ALA LEU GLU ALA GLU VAL ALA ARG SEQRES 5 H 704 GLY GLY LEU ILE VAL PHE HIS ASN GLY HIS LYS TYR ASP SEQRES 6 H 704 VAL PRO ALA LEU THR LYS LEU ALA LYS LEU GLN LEU ASN SEQRES 7 H 704 ARG GLU PHE HIS LEU PRO ARG GLU ASN CYS ILE ASP THR SEQRES 8 H 704 LEU VAL LEU SER ARG LEU ILE HIS SER ASN LEU LYS ASP SEQRES 9 H 704 THR ASP MET GLY LEU LEU ARG SER GLY LYS LEU PRO GLY SEQRES 10 H 704 LYS ARG PHE GLY SER HIS ALA LEU GLU ALA TRP GLY TYR SEQRES 11 H 704 ARG LEU GLY GLU MET LYS GLY GLU TYR LYS ASP ASP PHE SEQRES 12 H 704 LYS ARG MET LEU GLU GLU GLN GLY GLU GLU TYR VAL ASP SEQRES 13 H 704 GLY MET GLU TRP TRP ASN PHE ASN GLU GLU MET MET ASP SEQRES 14 H 704 TYR ASN VAL GLN ASP VAL VAL VAL THR LYS ALA LEU LEU SEQRES 15 H 704 GLU LYS LEU LEU SER ASP LYS HIS TYR PHE PRO PRO GLU SEQRES 16 H 704 ILE ASP PHE THR ASP VAL GLY TYR THR THR PHE TRP SER SEQRES 17 H 704 GLU SER LEU GLU ALA VAL ASP ILE GLU HIS ARG ALA ALA SEQRES 18 H 704 TRP LEU LEU ALA LYS GLN GLU ARG ASN GLY PHE PRO PHE SEQRES 19 H 704 ASP THR LYS ALA ILE GLU GLU LEU TYR VAL GLU LEU ALA SEQRES 20 H 704 ALA ARG ARG SER GLU LEU LEU ARG LYS LEU THR GLU THR SEQRES 21 H 704 PHE GLY SER TRP TYR GLN PRO LYS GLY GLY THR GLU MET SEQRES 22 H 704 PHE CYS HIS PRO ARG THR GLY LYS PRO LEU PRO LYS TYR SEQRES 23 H 704 PRO ARG ILE LYS THR PRO LYS VAL GLY GLY ILE PHE LYS SEQRES 24 H 704 LYS PRO LYS ASN LYS ALA GLN ARG GLU GLY ARG GLU PRO SEQRES 25 H 704 CYS GLU LEU ASP THR ARG GLU TYR VAL ALA GLY ALA PRO SEQRES 26 H 704 TYR THR PRO VAL GLU HIS VAL VAL PHE ASN PRO SER SER SEQRES 27 H 704 ARG ASP HIS ILE GLN LYS LYS LEU GLN GLU ALA GLY TRP SEQRES 28 H 704 VAL PRO THR LYS TYR THR ASP LYS GLY ALA PRO VAL VAL SEQRES 29 H 704 ASP ASP GLU VAL LEU GLU GLY VAL ARG VAL ASP ASP PRO SEQRES 30 H 704 GLU LYS GLN ALA ALA ILE ASP LEU ILE LYS GLU TYR LEU SEQRES 31 H 704 MET ILE GLN LYS ARG ILE GLY GLN SER ALA GLU GLY ASP SEQRES 32 H 704 LYS ALA TRP LEU ARG TYR VAL ALA GLU ASP GLY LYS ILE SEQRES 33 H 704 HIS GLY SER VAL ASN PRO ASN GLY ALA VAL THR GLY ARG SEQRES 34 H 704 ALA THR HIS ALA PHE PRO ASN LEU ALA GLN ILE PRO GLY SEQRES 35 H 704 VAL ARG SER PRO TYR GLY GLU GLN CYS ARG ALA ALA PHE SEQRES 36 H 704 GLY ALA GLU HIS HIS LEU ASP GLY ILE THR GLY LYS PRO SEQRES 37 H 704 TRP VAL GLN ALA GLY ILE ASP ALA SER GLY LEU GLU LEU SEQRES 38 H 704 ARG CYS LEU ALA HIS PHE MET ALA ARG PHE ASP ASN GLY SEQRES 39 H 704 GLU TYR ALA HIS GLU ILE LEU ASN GLY ASP ILE HIS THR SEQRES 40 H 704 LYS ASN GLN ILE ALA ALA GLU LEU PRO THR ARG ASP ASN SEQRES 41 H 704 ALA LYS THR PHE ILE TYR GLY PHE LEU TYR GLY ALA GLY SEQRES 42 H 704 ASP GLU LYS ILE GLY GLN ILE VAL GLY ALA GLY LYS GLU SEQRES 43 H 704 ARG GLY LYS GLU LEU LYS LYS LYS PHE LEU GLU ASN THR SEQRES 44 H 704 PRO ALA ILE ALA ALA LEU ARG GLU SER ILE GLN GLN THR SEQRES 45 H 704 LEU VAL GLU SER SER GLN TRP VAL ALA GLY GLU GLN GLN SEQRES 46 H 704 VAL LYS TRP LYS ARG ARG TRP ILE LYS GLY LEU ASP GLY SEQRES 47 H 704 ARG LYS VAL HIS VAL ARG SER PRO HIS ALA ALA LEU ASN SEQRES 48 H 704 THR LEU LEU GLN SER ALA GLY ALA LEU ILE CYS LYS LEU SEQRES 49 H 704 TRP ILE ILE LYS THR GLU GLU MET LEU VAL GLU LYS GLY SEQRES 50 H 704 LEU LYS HIS GLY TRP ASP GLY ASP PHE ALA TYR MET ALA SEQRES 51 H 704 TRP VAL HIS ASP GLU ILE GLN VAL GLY CYS ARG THR GLU SEQRES 52 H 704 GLU ILE ALA GLN VAL VAL ILE GLU THR ALA GLN GLU ALA SEQRES 53 H 704 MET ARG TRP VAL GLY ASP HIS TRP ASN PHE ARG CYS LEU SEQRES 54 H 704 LEU ASP THR GLU GLY LYS MET GLY PRO ASN TRP ALA ILE SEQRES 55 H 704 CYS HIS SEQRES 1 I 109 MET SER ASP LYS ILE ILE HIS LEU THR ASP ASP SER PHE SEQRES 2 I 109 ASP THR ASP VAL LEU LYS ALA ASP GLY ALA ILE LEU VAL SEQRES 3 I 109 ASP PHE TRP ALA GLU TRP CYS GLY PRO CYS LYS MET ILE SEQRES 4 I 109 ALA PRO ILE LEU ASP GLU ILE ALA ASP GLU TYR GLN GLY SEQRES 5 I 109 LYS LEU THR VAL ALA LYS LEU ASN ILE ASP GLN ASN PRO SEQRES 6 I 109 GLY THR ALA PRO LYS TYR GLY ILE ARG GLY ILE PRO THR SEQRES 7 I 109 LEU LEU LEU PHE LYS ASN GLY GLU VAL ALA ALA THR LYS SEQRES 8 I 109 VAL GLY ALA LEU SER LYS GLY GLN LEU LYS GLU PHE LEU SEQRES 9 I 109 ASP ALA ASN LEU ALA SEQRES 1 P 25 DG DG DT DA DC DA DA DC DT DT DG DA DC SEQRES 2 P 25 DG DA DC DA DT DA DG DC DG DT DG 2DA SEQRES 1 T 76 DT DT DT DG DG DT DC DA DT DT DT DT DT SEQRES 2 T 76 DT DT DT DT DT DT DT DT DT DT DT DT DT SEQRES 3 T 76 DT DT DA DC DG DG DA DG DT DC DG DT DT SEQRES 4 T 76 DT DC DG DA DC DT DC DC DG DT DT DA DT SEQRES 5 T 76 DC DA DC DG DC DT DA DT DG DT DC DG DT SEQRES 6 T 76 DC DA DA DG DT DT DG DT DA DC DC HET 2DA P 25 20 HET MG H4001 1 HET TTP H4002 29 HETNAM 2DA 2',3'-DIDEOXYADENOSINE-5'-MONOPHOSPHATE HETNAM MG MAGNESIUM ION HETNAM TTP THYMIDINE-5'-TRIPHOSPHATE FORMUL 3 2DA C10 H14 N5 O5 P FORMUL 5 MG MG 2+ FORMUL 6 TTP C10 H17 N2 O14 P3 HELIX 1 AA1 ARG H 35 SER H 37 5 3 HELIX 2 AA2 ASP H 38 ARG H 52 1 15 HELIX 3 AA3 TYR H 64 ASN H 78 1 15 HELIX 4 AA4 THR H 91 HIS H 99 1 9 HELIX 5 AA5 ALA H 124 LEU H 132 1 9 HELIX 6 AA6 GLU H 138 GLY H 151 1 14 HELIX 7 AA7 GLY H 157 TRP H 161 5 5 HELIX 8 AA8 ASN H 164 LEU H 186 1 23 HELIX 9 AA9 ASP H 197 VAL H 201 5 5 HELIX 10 AB1 GLY H 202 GLU H 209 1 8 HELIX 11 AB2 LEU H 211 GLY H 231 1 21 HELIX 12 AB3 ASP H 235 PHE H 261 1 27 HELIX 13 AB4 ASN H 303 GLU H 308 1 6 HELIX 14 AB5 SER H 338 GLY H 350 1 13 HELIX 15 AB6 ASP H 365 VAL H 372 1 8 HELIX 16 AB7 ASP H 376 ALA H 400 1 25 HELIX 17 AB8 ALA H 405 VAL H 410 1 6 HELIX 18 AB9 ASN H 436 ILE H 440 5 5 HELIX 19 AC1 TYR H 447 ALA H 454 1 8 HELIX 20 AC2 GLY H 456 HIS H 460 5 5 HELIX 21 AC3 GLY H 478 ASN H 493 1 16 HELIX 22 AC4 GLY H 494 ILE H 500 1 7 HELIX 23 AC5 ASP H 504 GLU H 514 1 11 HELIX 24 AC6 THR H 517 TYR H 530 1 14 HELIX 25 AC7 GLY H 533 GLY H 542 1 10 HELIX 26 AC8 GLY H 544 THR H 559 1 16 HELIX 27 AC9 PRO H 560 VAL H 574 1 15 HELIX 28 AD1 ALA H 608 LYS H 636 1 29 HELIX 29 AD2 THR H 662 TRP H 684 1 23 HELIX 30 AD3 ASN H 699 HIS H 704 1 6 HELIX 31 AD4 THR I 8 VAL I 16 1 9 HELIX 32 AD5 PRO I 34 TYR I 49 1 16 HELIX 33 AD6 GLY I 65 GLY I 71 1 7 HELIX 34 AD7 SER I 95 ALA I 105 1 11 SHEET 1 AA1 5 TYR H 31 VAL H 32 0 SHEET 2 AA1 5 PHE H 18 ASP H 25 -1 N ILE H 23 O VAL H 32 SHEET 3 AA1 5 ILE H 2 ALA H 8 -1 N GLU H 7 O HIS H 19 SHEET 4 AA1 5 ILE H 56 PHE H 58 1 O VAL H 57 N SER H 4 SHEET 5 AA1 5 CYS H 88 ASP H 90 1 O ILE H 89 N PHE H 58 SHEET 1 AA2 2 TRP H 264 GLN H 266 0 SHEET 2 AA2 2 GLU H 330 VAL H 332 -1 O GLU H 330 N GLN H 266 SHEET 1 AA3 2 THR H 327 PRO H 328 0 SHEET 2 AA3 2 GLY I 74 ILE I 75 -1 O ILE I 75 N THR H 327 SHEET 1 AA4 2 VAL H 420 ASN H 421 0 SHEET 2 AA4 2 THR H 431 HIS H 432 -1 O THR H 431 N ASN H 421 SHEET 1 AA5 4 TYR H 648 ALA H 650 0 SHEET 2 AA5 4 GLU H 655 CYS H 660 -1 O GLN H 657 N MET H 649 SHEET 3 AA5 4 VAL H 470 ALA H 476 -1 N ALA H 472 O VAL H 658 SHEET 4 AA5 4 THR H 692 GLY H 697 -1 O LYS H 695 N GLY H 473 SHEET 1 AA6 2 SER H 576 SER H 577 0 SHEET 2 AA6 2 VAL H 586 LYS H 587 -1 O LYS H 587 N SER H 576 SHEET 1 AA7 2 TRP H 592 LYS H 594 0 SHEET 2 AA7 2 LYS H 600 HIS H 602 -1 O VAL H 601 N ILE H 593 SHEET 1 AA8 5 ILE I 5 HIS I 6 0 SHEET 2 AA8 5 THR I 54 ASN I 59 1 O LYS I 57 N ILE I 5 SHEET 3 AA8 5 ILE I 23 TRP I 28 1 N LEU I 24 O THR I 54 SHEET 4 AA8 5 THR I 77 LYS I 82 -1 O PHE I 81 N ILE I 23 SHEET 5 AA8 5 GLU I 85 VAL I 91 -1 O ALA I 88 N LEU I 80 LINK O3' DG P 24 P 2DA P 25 1555 1555 1.56 LINK OD1 ASP H 475 MG MG H4001 1555 1555 2.57 LINK O ALA H 476 MG MG H4001 1555 1555 2.29 LINK OD2 ASP H 654 MG MG H4001 1555 1555 2.13 LINK MG MG H4001 O2B TTP H4002 1555 1555 2.56 LINK MG MG H4001 O3G TTP H4002 1555 1555 2.33 LINK MG MG H4001 O2A TTP H4002 1555 1555 2.37 CISPEP 1 CYS I 32 GLY I 33 0 5.37 CISPEP 2 ILE I 75 PRO I 76 0 -1.80 SITE 1 AC1 4 ASP H 475 ALA H 476 ASP H 654 TTP H4002 SITE 1 AC2 14 ARG H 429 ASP H 475 ALA H 476 SER H 477 SITE 2 AC2 14 GLY H 478 GLU H 480 HIS H 506 ARG H 518 SITE 3 AC2 14 LYS H 522 TYR H 526 ASP H 654 MG H4001 SITE 4 AC2 14 2DA P 25 DT T 53 CRYST1 1.000 1.000 1.000 90.00 90.00 90.00 P 1 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 1.000000 0.000000 0.000000 0.00000 SCALE2 0.000000 1.000000 0.000000 0.00000 SCALE3 0.000000 0.000000 1.000000 0.00000