HEADER ANTIVAL PROTEIN/RNA/DNA 14-APR-26 25QK TITLE CRYO-EM STRUCTURE OF TASH-TIGRNA-MM1 DSDNA COMPLEX COMPND MOL_ID: 1; COMPND 2 MOLECULE: PUTATIVE NUCLEASE; COMPND 3 CHAIN: A, B; COMPND 4 ENGINEERED: YES; COMPND 5 MOL_ID: 2; COMPND 6 MOLECULE: RNA (37-MER); COMPND 7 CHAIN: C; COMPND 8 ENGINEERED: YES; COMPND 9 MOL_ID: 3; COMPND 10 MOLECULE: DNA (38-MER); COMPND 11 CHAIN: D, E; COMPND 12 ENGINEERED: YES; COMPND 13 MOL_ID: 4; COMPND 14 MOLECULE: DNA (38-MER); COMPND 15 CHAIN: F, G; COMPND 16 ENGINEERED: YES SOURCE MOL_ID: 1; SOURCE 2 ORGANISM_SCIENTIFIC: SALICOLA PHAGE CGPHI29; SOURCE 3 ORGANISM_TAXID: 754067; SOURCE 4 EXPRESSION_SYSTEM: ESCHERICHIA COLI; SOURCE 5 EXPRESSION_SYSTEM_TAXID: 562; SOURCE 6 MOL_ID: 2; SOURCE 7 ORGANISM_SCIENTIFIC: SALICOLA PHAGE CGPHI29; SOURCE 8 ORGANISM_TAXID: 754067; SOURCE 9 EXPRESSION_SYSTEM: ESCHERICHIA COLI; SOURCE 10 EXPRESSION_SYSTEM_TAXID: 562; SOURCE 11 MOL_ID: 3; SOURCE 12 ORGANISM_SCIENTIFIC: SALICOLA PHAGE CGPHI29; SOURCE 13 ORGANISM_TAXID: 754067; SOURCE 14 EXPRESSION_SYSTEM: ESCHERICHIA COLI; SOURCE 15 EXPRESSION_SYSTEM_TAXID: 562; SOURCE 16 MOL_ID: 4; SOURCE 17 ORGANISM_SCIENTIFIC: SALICOLA PHAGE CGPHI29; SOURCE 18 ORGANISM_TAXID: 754067; SOURCE 19 EXPRESSION_SYSTEM: ESCHERICHIA COLI; SOURCE 20 EXPRESSION_SYSTEM_TAXID: 562 KEYWDS PUTATIVE NUCLEASE, ANTIVAL PROTEIN/RNA/DNA, ANTIVAL PROTEIN-RNA-DNA KEYWDS 2 COMPLEX EXPDTA ELECTRON MICROSCOPY AUTHOR H.ZHANG,Z.LIU REVDAT 1 26-AUG-26 25QK 0 JRNL AUTH R.ZHOU,Y.ZHAN,Y.SUN,R.WANG,T.WANG,Z.LIU,Z.SHAN,X.LI,S.ZHANG, JRNL AUTH 2 N.SUN,H.ZHANG,Z.YUAN,J.YANG JRNL TITL MOLECULAR BASIS OF SINGLE-MISMATCH-INDUCED JRNL TITL 2 NUCLEASE-TO-NICKASE CONVERSION IN TIGR-TASH. JRNL REF NUCLEIC ACIDS RES. V. 54 2026 JRNL REFN ESSN 1362-4962 JRNL PMID 42531075 JRNL DOI 10.1093/NAR/GKAG743 REMARK 2 REMARK 2 RESOLUTION. 3.04 ANGSTROMS. REMARK 3 REMARK 3 REFINEMENT. REMARK 3 SOFTWARE PACKAGES : CRYOSPARC, CRYOSPARC REMARK 3 RECONSTRUCTION SCHEMA : NULL REMARK 3 REMARK 3 EM MAP-MODEL FITTING AND REFINEMENT REMARK 3 PDB ENTRY : NULL REMARK 3 REFINEMENT SPACE : NULL REMARK 3 REFINEMENT PROTOCOL : NULL 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) : 3.040 REMARK 3 NUMBER OF PARTICLES : 86329 REMARK 3 CTF CORRECTION METHOD : PHASE FLIPPING ONLY REMARK 3 REMARK 3 EM RECONSTRUCTION MAGNIFICATION CALIBRATION: NULL REMARK 3 REMARK 3 OTHER DETAILS: NULL REMARK 4 REMARK 4 25QK COMPLIES WITH FORMAT V. 3.30, 13-JUL-11 REMARK 100 REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY PDBC ON 17-APR-26. REMARK 100 THE DEPOSITION ID IS D_1300072891. 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 : PUTATIVE NUCLEASE REMARK 245 SAMPLE CONCENTRATION (MG ML-1) : NULL REMARK 245 SAMPLE SUPPORT DETAILS : NULL 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 : TFS KRIOS REMARK 245 DETECTOR TYPE : FEI FALCON IV (4K X 4K) REMARK 245 MINIMUM DEFOCUS (NM) : 1200.00 REMARK 245 MAXIMUM DEFOCUS (NM) : 1600.00 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) : 4997.00 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: HEPTAMERIC REMARK 350 APPLY THE FOLLOWING TO CHAINS: A, B, C, D, E, F, G 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 GLN A 291 REMARK 465 GLU A 292 REMARK 465 LYS A 293 REMARK 465 LEU A 294 REMARK 465 GLY A 295 REMARK 465 HIS A 296 REMARK 465 THR A 297 REMARK 465 GLY A 310 REMARK 465 GLY A 311 REMARK 465 SER A 312 REMARK 465 TRP A 313 REMARK 465 SER A 314 REMARK 465 HIS A 315 REMARK 465 PRO A 316 REMARK 465 GLN A 317 REMARK 465 PHE A 318 REMARK 465 GLU A 319 REMARK 465 LYS A 320 REMARK 465 GLY A 321 REMARK 465 GLY A 322 REMARK 465 GLY A 323 REMARK 465 SER A 324 REMARK 465 GLY A 325 REMARK 465 GLY A 326 REMARK 465 GLY A 327 REMARK 465 SER A 328 REMARK 465 GLY A 329 REMARK 465 GLY A 330 REMARK 465 SER A 331 REMARK 465 ALA A 332 REMARK 465 TRP A 333 REMARK 465 SER A 334 REMARK 465 HIS A 335 REMARK 465 PRO A 336 REMARK 465 GLN A 337 REMARK 465 PHE A 338 REMARK 465 GLU A 339 REMARK 465 LYS A 340 REMARK 465 ASN A 341 REMARK 465 LEU A 342 REMARK 465 TYR A 343 REMARK 465 PHE A 344 REMARK 465 GLN A 345 REMARK 465 SER A 346 REMARK 465 GLY A 347 REMARK 465 SER A 348 REMARK 465 HIS A 349 REMARK 465 HIS A 350 REMARK 465 HIS A 351 REMARK 465 HIS A 352 REMARK 465 HIS A 353 REMARK 465 HIS A 354 REMARK 465 LEU B 288 REMARK 465 TYR B 289 REMARK 465 VAL B 290 REMARK 465 GLN B 291 REMARK 465 GLU B 292 REMARK 465 LYS B 293 REMARK 465 LEU B 294 REMARK 465 GLY B 295 REMARK 465 HIS B 296 REMARK 465 THR B 297 REMARK 465 GLY B 298 REMARK 465 ILE B 299 REMARK 465 VAL B 300 REMARK 465 GLY B 310 REMARK 465 GLY B 311 REMARK 465 SER B 312 REMARK 465 TRP B 313 REMARK 465 SER B 314 REMARK 465 HIS B 315 REMARK 465 PRO B 316 REMARK 465 GLN B 317 REMARK 465 PHE B 318 REMARK 465 GLU B 319 REMARK 465 LYS B 320 REMARK 465 GLY B 321 REMARK 465 GLY B 322 REMARK 465 GLY B 323 REMARK 465 SER B 324 REMARK 465 GLY B 325 REMARK 465 GLY B 326 REMARK 465 GLY B 327 REMARK 465 SER B 328 REMARK 465 GLY B 329 REMARK 465 GLY B 330 REMARK 465 SER B 331 REMARK 465 ALA B 332 REMARK 465 TRP B 333 REMARK 465 SER B 334 REMARK 465 HIS B 335 REMARK 465 PRO B 336 REMARK 465 GLN B 337 REMARK 465 PHE B 338 REMARK 465 GLU B 339 REMARK 465 LYS B 340 REMARK 465 ASN B 341 REMARK 465 LEU B 342 REMARK 465 TYR B 343 REMARK 465 PHE B 344 REMARK 465 GLN B 345 REMARK 465 SER B 346 REMARK 465 GLY B 347 REMARK 465 SER B 348 REMARK 465 HIS B 349 REMARK 465 HIS B 350 REMARK 465 HIS B 351 REMARK 465 HIS B 352 REMARK 465 HIS B 353 REMARK 465 HIS B 354 REMARK 465 A C 37 REMARK 465 DC D 1 REMARK 465 DC D 2 REMARK 465 DC D 3 REMARK 465 DC D 23 REMARK 465 DT D 24 REMARK 465 DC D 25 REMARK 465 DC D 26 REMARK 465 DG D 27 REMARK 465 DT D 28 REMARK 465 DG D 29 REMARK 465 DT D 30 REMARK 465 DT D 31 REMARK 465 DA D 32 REMARK 465 DC D 33 REMARK 465 DA D 34 REMARK 465 DG D 35 REMARK 465 DG D 36 REMARK 465 DA D 37 REMARK 465 DC D 38 REMARK 465 DC E 1 REMARK 465 DC E 2 REMARK 465 DC E 3 REMARK 465 DT E 4 REMARK 465 DA E 5 REMARK 465 DA E 6 REMARK 465 DG E 7 REMARK 465 DG E 8 REMARK 465 DC E 9 REMARK 465 DA E 10 REMARK 465 DA E 11 REMARK 465 DA E 12 REMARK 465 DT E 13 REMARK 465 DC E 14 REMARK 465 DC E 15 REMARK 465 DG E 16 REMARK 465 DT E 17 REMARK 465 DT E 18 REMARK 465 DA E 19 REMARK 465 DC E 20 REMARK 465 DG E 21 REMARK 465 DT E 22 REMARK 465 DA E 34 REMARK 465 DG E 35 REMARK 465 DG E 36 REMARK 465 DA E 37 REMARK 465 DC E 38 REMARK 465 DG F 1 REMARK 465 DT F 2 REMARK 465 DC F 3 REMARK 465 DC F 4 REMARK 465 DC F 23 REMARK 465 DG F 24 REMARK 465 DG F 25 REMARK 465 DA F 26 REMARK 465 DT F 27 REMARK 465 DT F 28 REMARK 465 DT F 29 REMARK 465 DG F 30 REMARK 465 DC F 31 REMARK 465 DC F 32 REMARK 465 DT F 33 REMARK 465 DT F 34 REMARK 465 DA F 35 REMARK 465 DG F 36 REMARK 465 DG F 37 REMARK 465 DG F 38 REMARK 465 DG G 1 REMARK 465 DT G 2 REMARK 465 DC G 3 REMARK 465 DC G 4 REMARK 465 DT G 5 REMARK 465 DG G 6 REMARK 465 DT G 7 REMARK 465 DA G 8 REMARK 465 DA G 9 REMARK 465 DC G 10 REMARK 465 DA G 11 REMARK 465 DC G 12 REMARK 465 DG G 13 REMARK 465 DG G 14 REMARK 465 DA G 15 REMARK 465 DG G 16 REMARK 465 DA G 17 REMARK 465 DC G 18 REMARK 465 DG G 19 REMARK 465 DT G 20 REMARK 465 DA G 21 REMARK 465 DA G 22 REMARK 465 DG G 36 REMARK 465 DG G 37 REMARK 465 DG G 38 REMARK 500 REMARK 500 GEOMETRY AND STEREOCHEMISTRY REMARK 500 SUBTOPIC: CLOSE CONTACTS IN SAME ASYMMETRIC UNIT REMARK 500 REMARK 500 THE FOLLOWING ATOMS ARE IN CLOSE CONTACT. REMARK 500 REMARK 500 ATM1 RES C SSEQI ATM2 RES C SSEQI DISTANCE REMARK 500 OG1 THR B 42 OD2 ASP B 44 2.08 REMARK 500 REMARK 500 REMARK: NULL 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 D 10 O4' - C1' - N9 ANGL. DEV. = 2.2 DEGREES REMARK 500 DG E 27 O4' - C1' - N9 ANGL. DEV. = 2.5 DEGREES REMARK 500 DT E 31 O4' - C1' - N1 ANGL. DEV. = 2.0 DEGREES REMARK 500 DA F 17 O4' - C1' - N9 ANGL. DEV. = 2.4 DEGREES REMARK 500 DT G 34 C3' - C2' - C1' ANGL. DEV. = -5.2 DEGREES REMARK 500 DT G 34 O4' - C1' - N1 ANGL. DEV. = 2.8 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 SER A 11 -31.82 -130.77 REMARK 500 GLN A 301 51.53 -140.56 REMARK 500 SER B 11 -30.35 -130.01 REMARK 500 GLU B 34 -169.72 -79.19 REMARK 500 GLN B 37 -9.04 81.12 REMARK 500 GLN B 98 18.67 57.65 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 A 401 MG REMARK 620 N RES CSSEQI ATOM REMARK 620 1 ASP A 30 OD1 REMARK 620 2 HIS A 54 NE2 96.9 REMARK 620 3 HIS A 58 NE2 86.1 95.6 REMARK 620 4 DA F 22 O3' 157.5 103.8 83.3 REMARK 620 5 DC G 23 OP1 84.0 117.2 146.6 94.1 REMARK 620 N 1 2 3 4 REMARK 620 REMARK 620 COORDINATION ANGLES FOR: M RES CSSEQI METAL REMARK 620 MG B 401 MG REMARK 620 N RES CSSEQI ATOM REMARK 620 1 ASP B 30 OD1 REMARK 620 2 HIS B 54 NE2 90.6 REMARK 620 3 HIS B 58 NE2 98.9 97.0 REMARK 620 4 DT D 22 O3' 173.3 84.1 77.7 REMARK 620 5 DC E 23 OP1 85.7 121.5 141.2 100.6 REMARK 620 N 1 2 3 4 REMARK 900 REMARK 900 RELATED ENTRIES REMARK 900 RELATED ID: EMD-80301 RELATED DB: EMDB REMARK 900 PUTATIVE NUCLEASE DBREF 25QK A 1 354 PDB 25QK 25QK 1 354 DBREF 25QK B 1 354 PDB 25QK 25QK 1 354 DBREF 25QK C 1 37 PDB 25QK 25QK 1 37 DBREF 25QK D 1 38 PDB 25QK 25QK 1 38 DBREF 25QK E 1 38 PDB 25QK 25QK 1 38 DBREF 25QK F 1 38 PDB 25QK 25QK 1 38 DBREF 25QK G 1 38 PDB 25QK 25QK 1 38 SEQRES 1 A 354 MET ASN LYS GLN VAL LEU LYS GLU GLN ALA SER HIS CYS SEQRES 2 A 354 GLU ILE THR GLY ALA PRO LEU ALA GLY LEU PRO GLU LEU SEQRES 3 A 354 VAL ASP VAL ASP ARG ILE THR GLU ARG PHE GLN GLY GLY SEQRES 4 A 354 THR TYR THR PRO ASP ASN THR ARG VAL LEU THR PRO ARG SEQRES 5 A 354 ALA HIS MET GLU ARG HIS GLY ILE LEU ARG GLU ARG ASP SEQRES 6 A 354 GLN TRP LEU GLU GLU LEU LYS ALA MET MET ASP ASP ARG SEQRES 7 A 354 ALA GLN THR MET LYS VAL VAL MET LYS MET ASN ASN GLN SEQRES 8 A 354 LEU LEU ALA TYR GLN ARG GLN THR ASP HIS ALA ARG GLN SEQRES 9 A 354 SER THR GLU GLN PHE LEU GLN ASP THR LEU ASP ALA SER SEQRES 10 A 354 ASN LYS ARG LEU ALA GLN ILE ASP ARG GLU VAL THR LYS SEQRES 11 A 354 HIS ILE LYS HIS ALA LYS ASP PRO LEU ALA GLN ALA ALA SEQRES 12 A 354 MET GLY VAL PRO GLY VAL GLY PRO ILE THR VAL ALA GLY SEQRES 13 A 354 LEU GLN THR TYR VAL ASP LEU GLU LYS ALA LYS SER ALA SEQRES 14 A 354 SER ALA LEU TRP ALA TYR ILE GLY ILE ASP LYS PRO SER SEQRES 15 A 354 HIS ASP ARG TYR THR LYS GLY GLU ALA GLY GLY GLY ASN SEQRES 16 A 354 LYS THR LEU ARG THR MET VAL TRP ASN MET ALA ASN SER SEQRES 17 A 354 MET ILE LYS ASN ARG LYS CYS PRO TYR ARG THR VAL TYR SEQRES 18 A 354 GLU GLN THR LYS GLU ARG LEU ALA VAL SER GLU LYS VAL SEQRES 19 A 354 THR LYS SER ARG ASN THR GLN GLY GLN LEU ILE GLU CYS SEQRES 20 A 354 ALA TRP LYS ASP THR LYS PRO SER HIS ARG HIS GLY ALA SEQRES 21 A 354 ALA LEU ARG ALA VAL MET LYS HIS PHE LEU ALA ASP TYR SEQRES 22 A 354 TRP PHE VAL GLY ARG GLU LEU ALA GLY LEU ASP THR ARG SEQRES 23 A 354 PRO LEU TYR VAL GLN GLU LYS LEU GLY HIS THR GLY ILE SEQRES 24 A 354 VAL GLN PRO GLN GLU ARG GLY TRP GLU TRP GLY GLY SER SEQRES 25 A 354 TRP SER HIS PRO GLN PHE GLU LYS GLY GLY GLY SER GLY SEQRES 26 A 354 GLY GLY SER GLY GLY SER ALA TRP SER HIS PRO GLN PHE SEQRES 27 A 354 GLU LYS ASN LEU TYR PHE GLN SER GLY SER HIS HIS HIS SEQRES 28 A 354 HIS HIS HIS SEQRES 1 B 354 MET ASN LYS GLN VAL LEU LYS GLU GLN ALA SER HIS CYS SEQRES 2 B 354 GLU ILE THR GLY ALA PRO LEU ALA GLY LEU PRO GLU LEU SEQRES 3 B 354 VAL ASP VAL ASP ARG ILE THR GLU ARG PHE GLN GLY GLY SEQRES 4 B 354 THR TYR THR PRO ASP ASN THR ARG VAL LEU THR PRO ARG SEQRES 5 B 354 ALA HIS MET GLU ARG HIS GLY ILE LEU ARG GLU ARG ASP SEQRES 6 B 354 GLN TRP LEU GLU GLU LEU LYS ALA MET MET ASP ASP ARG SEQRES 7 B 354 ALA GLN THR MET LYS VAL VAL MET LYS MET ASN ASN GLN SEQRES 8 B 354 LEU LEU ALA TYR GLN ARG GLN THR ASP HIS ALA ARG GLN SEQRES 9 B 354 SER THR GLU GLN PHE LEU GLN ASP THR LEU ASP ALA SER SEQRES 10 B 354 ASN LYS ARG LEU ALA GLN ILE ASP ARG GLU VAL THR LYS SEQRES 11 B 354 HIS ILE LYS HIS ALA LYS ASP PRO LEU ALA GLN ALA ALA SEQRES 12 B 354 MET GLY VAL PRO GLY VAL GLY PRO ILE THR VAL ALA GLY SEQRES 13 B 354 LEU GLN THR TYR VAL ASP LEU GLU LYS ALA LYS SER ALA SEQRES 14 B 354 SER ALA LEU TRP ALA TYR ILE GLY ILE ASP LYS PRO SER SEQRES 15 B 354 HIS ASP ARG TYR THR LYS GLY GLU ALA GLY GLY GLY ASN SEQRES 16 B 354 LYS THR LEU ARG THR MET VAL TRP ASN MET ALA ASN SER SEQRES 17 B 354 MET ILE LYS ASN ARG LYS CYS PRO TYR ARG THR VAL TYR SEQRES 18 B 354 GLU GLN THR LYS GLU ARG LEU ALA VAL SER GLU LYS VAL SEQRES 19 B 354 THR LYS SER ARG ASN THR GLN GLY GLN LEU ILE GLU CYS SEQRES 20 B 354 ALA TRP LYS ASP THR LYS PRO SER HIS ARG HIS GLY ALA SEQRES 21 B 354 ALA LEU ARG ALA VAL MET LYS HIS PHE LEU ALA ASP TYR SEQRES 22 B 354 TRP PHE VAL GLY ARG GLU LEU ALA GLY LEU ASP THR ARG SEQRES 23 B 354 PRO LEU TYR VAL GLN GLU LYS LEU GLY HIS THR GLY ILE SEQRES 24 B 354 VAL GLN PRO GLN GLU ARG GLY TRP GLU TRP GLY GLY SER SEQRES 25 B 354 TRP SER HIS PRO GLN PHE GLU LYS GLY GLY GLY SER GLY SEQRES 26 B 354 GLY GLY SER GLY GLY SER ALA TRP SER HIS PRO GLN PHE SEQRES 27 B 354 GLU LYS ASN LEU TYR PHE GLN SER GLY SER HIS HIS HIS SEQRES 28 B 354 HIS HIS HIS SEQRES 1 C 37 A G U C A U U C C G U U A SEQRES 2 C 37 A A G A C A A C C A C G G SEQRES 3 C 37 A G A C G A A G C G A SEQRES 1 D 38 DC DC DC DT DA DA DG DG DC DA DA DA DT SEQRES 2 D 38 DC DC DG DT DT DA DC DG DT DC DT DC DC SEQRES 3 D 38 DG DT DG DT DT DA DC DA DG DG DA DC SEQRES 1 E 38 DC DC DC DT DA DA DG DG DC DA DA DA DT SEQRES 2 E 38 DC DC DG DT DT DA DC DG DT DC DT DC DC SEQRES 3 E 38 DG DT DG DT DT DA DC DA DG DG DA DC SEQRES 1 F 38 DG DT DC DC DT DG DT DA DA DC DA DC DG SEQRES 2 F 38 DG DA DG DA DC DG DT DA DA DC DG DG DA SEQRES 3 F 38 DT DT DT DG DC DC DT DT DA DG DG DG SEQRES 1 G 38 DG DT DC DC DT DG DT DA DA DC DA DC DG SEQRES 2 G 38 DG DA DG DA DC DG DT DA DA DC DG DG DA SEQRES 3 G 38 DT DT DT DG DC DC DT DT DA DG DG DG HET MG A 401 1 HET MG B 401 1 HETNAM MG MAGNESIUM ION FORMUL 8 MG 2(MG 2+) HELIX 1 AA1 ASN A 2 GLN A 9 1 8 HELIX 2 AA2 LEU A 23 VAL A 27 5 5 HELIX 3 AA3 THR A 50 HIS A 58 1 9 HELIX 4 AA4 ASP A 65 ARG A 97 1 33 HELIX 5 AA5 ARG A 103 HIS A 134 1 32 HELIX 6 AA6 ASP A 137 VAL A 146 1 10 HELIX 7 AA7 GLY A 150 VAL A 161 1 12 HELIX 8 AA8 SER A 168 ILE A 176 1 9 HELIX 9 AA9 PRO A 181 ARG A 185 5 5 HELIX 10 AB1 ASN A 195 ILE A 210 1 16 HELIX 11 AB2 PRO A 216 SER A 231 1 16 HELIX 12 AB3 LYS A 250 THR A 252 5 3 HELIX 13 AB4 LYS A 253 GLY A 282 1 30 HELIX 14 AB5 ASN B 2 GLN B 9 1 8 HELIX 15 AB6 LEU B 23 VAL B 27 5 5 HELIX 16 AB7 THR B 42 ASP B 44 5 3 HELIX 17 AB8 THR B 50 HIS B 58 1 9 HELIX 18 AB9 ASP B 65 ARG B 97 1 33 HELIX 19 AC1 ARG B 103 HIS B 134 1 32 HELIX 20 AC2 ASP B 137 VAL B 146 1 10 HELIX 21 AC3 GLY B 150 VAL B 161 1 12 HELIX 22 AC4 SER B 168 GLY B 177 1 10 HELIX 23 AC5 PRO B 181 ARG B 185 5 5 HELIX 24 AC6 ASN B 195 ILE B 210 1 16 HELIX 25 AC7 TYR B 217 VAL B 230 1 14 HELIX 26 AC8 LYS B 250 THR B 252 5 3 HELIX 27 AC9 LYS B 253 ALA B 281 1 29 SHEET 1 AA1 2 ASP A 28 ARG A 31 0 SHEET 2 AA1 2 THR A 46 LEU A 49 -1 O ARG A 47 N ASP A 30 SHEET 1 AA2 2 VAL A 234 ARG A 238 0 SHEET 2 AA2 2 LEU A 244 ALA A 248 -1 O ILE A 245 N SER A 237 SHEET 1 AA3 2 ASP B 28 ARG B 31 0 SHEET 2 AA3 2 THR B 46 LEU B 49 -1 O LEU B 49 N ASP B 28 SHEET 1 AA4 2 VAL B 234 ARG B 238 0 SHEET 2 AA4 2 LEU B 244 ALA B 248 -1 O ILE B 245 N SER B 237 LINK OD1 ASP A 30 MG MG A 401 1555 1555 1.98 LINK NE2 HIS A 54 MG MG A 401 1555 1555 2.04 LINK NE2 HIS A 58 MG MG A 401 1555 1555 2.31 LINK MG MG A 401 O3' DA F 22 1555 1555 2.03 LINK MG MG A 401 OP1 DC G 23 1555 1555 2.06 LINK OD1 ASP B 30 MG MG B 401 1555 1555 1.91 LINK NE2 HIS B 54 MG MG B 401 1555 1555 2.20 LINK NE2 HIS B 58 MG MG B 401 1555 1555 2.17 LINK MG MG B 401 O3' DT D 22 1555 1555 1.85 LINK MG MG B 401 OP1 DC E 23 1555 1555 1.91 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 CONECT 221 6809 CONECT 418 6809 CONECT 456 6809 CONECT 2634 6810 CONECT 2831 6810 CONECT 2869 6810 CONECT 5933 6810 CONECT 5947 6810 CONECT 6529 6809 CONECT 6544 6809 CONECT 6809 221 418 456 6529 CONECT 6809 6544 CONECT 6810 2634 2831 2869 5933 CONECT 6810 5947 MASTER 386 0 2 27 8 0 0 6 6803 7 14 71 END