HEADER VIRAL PROTEIN 02-FEB-22 7R0T TITLE CRYSTAL STRUCTURE OF EXONUCLEASE EXNV1 COMPND MOL_ID: 1; COMPND 2 MOLECULE: EXONUCLEASE EXNV1; COMPND 3 CHAIN: A; COMPND 4 ENGINEERED: YES SOURCE MOL_ID: 1; SOURCE 2 ORGANISM_SCIENTIFIC: THERMUS PHAGE TSP4; SOURCE 3 ORGANISM_TAXID: 1298530; SOURCE 4 EXPRESSION_SYSTEM: ESCHERICHIA COLI; SOURCE 5 EXPRESSION_SYSTEM_TAXID: 562 KEYWDS EXONUCLEASE, VIRAL PROTEIN EXPDTA X-RAY DIFFRACTION AUTHOR M.WELIN,A.SVENSSON,M.HAKANSSON,S.AL-KARADAGHI,A.JASILIONIS, AUTHOR 2 J.A.LINARES-PASTEN,L.WANG,E.NORDBERG KARLSSON,J.AHLQVIST REVDAT 2 23-NOV-22 7R0T 1 JRNL REVDAT 1 02-NOV-22 7R0T 0 JRNL AUTH J.AHLQVIST,J.A.LINARES-PASTEN,A.JASILIONIS,M.WELIN, JRNL AUTH 2 M.HAKANSSON,L.A.SVENSSON,L.WANG,H.WATZLAWICK,A.AEVARSSON, JRNL AUTH 3 O.H.FRIDJONSSON,G.O.HREGGVIDSSON,B.KETELSEN STRIBERNY, JRNL AUTH 4 E.GLOMSAKER,O.LANES,S.AL-KARADAGHI,E.NORDBERG KARLSSON JRNL TITL CRYSTAL STRUCTURE OF DNA POLYMERASE I FROM THERMUS PHAGE JRNL TITL 2 G20C. JRNL REF ACTA CRYSTALLOGR D STRUCT V. 78 1384 2022 JRNL REF 2 BIOL JRNL PMID 36322421 JRNL DOI 10.1107/S2059798322009895 REMARK 2 REMARK 2 RESOLUTION. 2.19 ANGSTROMS. REMARK 3 REMARK 3 REFINEMENT. REMARK 3 PROGRAM : BUSTER 2.11.8 REMARK 3 AUTHORS : BRICOGNE,BLANC,BRANDL,FLENSBURG,KELLER, REMARK 3 : PACIOREK,ROVERSI,SHARFF,SMART,VONRHEIN, REMARK 3 : WOMACK,MATTHEWS,TEN EYCK,TRONRUD REMARK 3 REMARK 3 DATA USED IN REFINEMENT. REMARK 3 RESOLUTION RANGE HIGH (ANGSTROMS) : 2.19 REMARK 3 RESOLUTION RANGE LOW (ANGSTROMS) : 45.78 REMARK 3 DATA CUTOFF (SIGMA(F)) : NULL REMARK 3 COMPLETENESS FOR RANGE (%) : 97.8 REMARK 3 NUMBER OF REFLECTIONS : 20538 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 + TEST SET) : 0.237 REMARK 3 R VALUE (WORKING SET) : 0.235 REMARK 3 FREE R VALUE : 0.278 REMARK 3 FREE R VALUE TEST SET SIZE (%) : NULL REMARK 3 FREE R VALUE TEST SET COUNT : 1005 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 (ANGSTROMS) : 2.19 REMARK 3 BIN RESOLUTION RANGE LOW (ANGSTROMS) : 2.21 REMARK 3 BIN COMPLETENESS (WORKING+TEST) (%) : 82.22 REMARK 3 REFLECTIONS IN BIN (WORKING + TEST SET) : NULL REMARK 3 BIN R VALUE (WORKING + TEST SET) : NULL REMARK 3 REFLECTIONS IN BIN (WORKING SET) : NULL REMARK 3 BIN R VALUE (WORKING SET) : 0.4326 REMARK 3 BIN FREE R VALUE : 0.5311 REMARK 3 BIN FREE R VALUE TEST SET SIZE (%) : NULL REMARK 3 BIN FREE R VALUE TEST SET COUNT : 18 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 : 2341 REMARK 3 NUCLEIC ACID ATOMS : 0 REMARK 3 HETEROGEN ATOMS : 28 REMARK 3 SOLVENT ATOMS : 46 REMARK 3 REMARK 3 B VALUES. REMARK 3 FROM WILSON PLOT (A**2) : NULL REMARK 3 MEAN B VALUE (OVERALL, A**2) : 62.27 REMARK 3 OVERALL ANISOTROPIC B VALUE. REMARK 3 B11 (A**2) : -5.11100 REMARK 3 B22 (A**2) : -11.06490 REMARK 3 B33 (A**2) : 16.17590 REMARK 3 B12 (A**2) : 0.00000 REMARK 3 B13 (A**2) : 0.00000 REMARK 3 B23 (A**2) : 0.00000 REMARK 3 REMARK 3 ESTIMATED COORDINATE ERROR. REMARK 3 ESD FROM LUZZATI PLOT (A) : 0.380 REMARK 3 DPI (BLOW EQ-10) BASED ON R VALUE (A) : 0.244 REMARK 3 DPI (BLOW EQ-9) BASED ON FREE R VALUE (A) : 0.209 REMARK 3 DPI (CRUICKSHANK) BASED ON R VALUE (A) : 0.244 REMARK 3 DPI (CRUICKSHANK) BASED ON FREE R VALUE (A) : 0.210 REMARK 3 REMARK 3 REFERENCES: BLOW, D. (2002) ACTA CRYST D58, 792-797 REMARK 3 CRUICKSHANK, D.W.J. (1999) ACTA CRYST D55, 583-601 REMARK 3 REMARK 3 CORRELATION COEFFICIENTS. REMARK 3 CORRELATION COEFFICIENT FO-FC : 0.935 REMARK 3 CORRELATION COEFFICIENT FO-FC FREE : 0.918 REMARK 3 REMARK 3 NUMBER OF GEOMETRIC FUNCTION TERMS DEFINED : 15 REMARK 3 TERM COUNT WEIGHT FUNCTION. REMARK 3 BOND LENGTHS : 2419 ; 2.000 ; HARMONIC REMARK 3 BOND ANGLES : 3286 ; 2.000 ; HARMONIC REMARK 3 TORSION ANGLES : 832 ; 2.000 ; SINUSOIDAL REMARK 3 TRIGONAL CARBON PLANES : NULL ; NULL ; NULL REMARK 3 GENERAL PLANES : 405 ; 5.000 ; HARMONIC REMARK 3 ISOTROPIC THERMAL FACTORS : 2419 ; 10.000 ; HARMONIC REMARK 3 BAD NON-BONDED CONTACTS : NULL ; NULL ; NULL REMARK 3 IMPROPER TORSIONS : NULL ; NULL ; NULL REMARK 3 PSEUDOROTATION ANGLES : NULL ; NULL ; NULL REMARK 3 CHIRAL IMPROPER TORSION : 303 ; 5.000 ; SEMIHARMONIC REMARK 3 SUM OF OCCUPANCIES : NULL ; NULL ; NULL REMARK 3 UTILITY DISTANCES : 10 ; 1.000 ; HARMONIC REMARK 3 UTILITY ANGLES : NULL ; NULL ; NULL REMARK 3 UTILITY TORSION : NULL ; NULL ; NULL REMARK 3 IDEAL-DIST CONTACT TERM : 1931 ; 4.000 ; SEMIHARMONIC REMARK 3 REMARK 3 RMS DEVIATIONS FROM IDEAL VALUES. REMARK 3 BOND LENGTHS (A) : 0.008 REMARK 3 BOND ANGLES (DEGREES) : 0.90 REMARK 3 PEPTIDE OMEGA TORSION ANGLES (DEGREES) : 3.09 REMARK 3 OTHER TORSION ANGLES (DEGREES) : 18.12 REMARK 3 REMARK 3 TLS DETAILS REMARK 3 NUMBER OF TLS GROUPS : 1 REMARK 3 REMARK 3 TLS GROUP : 1 REMARK 3 SELECTION: { A|0 - 296 } REMARK 3 ORIGIN FOR THE GROUP (A): 20.2496 16.6061 142.517 REMARK 3 T TENSOR REMARK 3 T11: 0.2896 T22: -0.1859 REMARK 3 T33: -0.3091 T12: 0.0166 REMARK 3 T13: 0.0379 T23: -0.0021 REMARK 3 L TENSOR REMARK 3 L11: 0.9158 L22: 0 REMARK 3 L33: 3.5524 L12: 0.1919 REMARK 3 L13: -0.6192 L23: -0.1983 REMARK 3 S TENSOR REMARK 3 S11: -0.0476 S12: 0.1349 S13: 0.4071 REMARK 3 S21: 0.1349 S22: -0.0404 S23: 0.015 REMARK 3 S31: 0.4071 S32: 0.015 S33: 0.088 REMARK 3 REMARK 3 OTHER REFINEMENT REMARKS: NULL REMARK 4 REMARK 4 7R0T COMPLIES WITH FORMAT V. 3.30, 13-JUL-11 REMARK 100 REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY PDBE ON 02-FEB-22. REMARK 100 THE DEPOSITION ID IS D_1292120761. REMARK 200 REMARK 200 EXPERIMENTAL DETAILS REMARK 200 EXPERIMENT TYPE : X-RAY DIFFRACTION REMARK 200 DATE OF DATA COLLECTION : 15-FEB-19 REMARK 200 TEMPERATURE (KELVIN) : 100 REMARK 200 PH : 9.3 REMARK 200 NUMBER OF CRYSTALS USED : 1 REMARK 200 REMARK 200 SYNCHROTRON (Y/N) : Y REMARK 200 RADIATION SOURCE : DIAMOND REMARK 200 BEAMLINE : I03 REMARK 200 X-RAY GENERATOR MODEL : NULL REMARK 200 MONOCHROMATIC OR LAUE (M/L) : M REMARK 200 WAVELENGTH OR RANGE (A) : 1.6488 REMARK 200 MONOCHROMATOR : NULL REMARK 200 OPTICS : NULL REMARK 200 REMARK 200 DETECTOR TYPE : PIXEL REMARK 200 DETECTOR MANUFACTURER : DECTRIS EIGER2 XE 16M REMARK 200 INTENSITY-INTEGRATION SOFTWARE : XDS REMARK 200 DATA SCALING SOFTWARE : AIMLESS REMARK 200 REMARK 200 NUMBER OF UNIQUE REFLECTIONS : 20566 REMARK 200 RESOLUTION RANGE HIGH (A) : 2.190 REMARK 200 RESOLUTION RANGE LOW (A) : 45.780 REMARK 200 REJECTION CRITERIA (SIGMA(I)) : NULL REMARK 200 REMARK 200 OVERALL. REMARK 200 COMPLETENESS FOR RANGE (%) : 98.1 REMARK 200 DATA REDUNDANCY : 12.70 REMARK 200 R MERGE (I) : 0.13600 REMARK 200 R SYM (I) : NULL REMARK 200 FOR THE DATA SET : 12.5000 REMARK 200 REMARK 200 IN THE HIGHEST RESOLUTION SHELL. REMARK 200 HIGHEST RESOLUTION SHELL, RANGE HIGH (A) : 2.19 REMARK 200 HIGHEST RESOLUTION SHELL, RANGE LOW (A) : 2.26 REMARK 200 COMPLETENESS FOR SHELL (%) : NULL REMARK 200 DATA REDUNDANCY IN SHELL : NULL REMARK 200 R MERGE FOR SHELL (I) : 3.18700 REMARK 200 R SYM FOR SHELL (I) : NULL REMARK 200 FOR SHELL : 1.100 REMARK 200 REMARK 200 DIFFRACTION PROTOCOL: SINGLE WAVELENGTH REMARK 200 METHOD USED TO DETERMINE THE STRUCTURE: SAD REMARK 200 SOFTWARE USED: CRANK2 REMARK 200 STARTING MODEL: NULL REMARK 200 REMARK 200 REMARK: NULL REMARK 280 REMARK 280 CRYSTAL REMARK 280 SOLVENT CONTENT, VS (%): 54.00 REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 2.67 REMARK 280 REMARK 280 CRYSTALLIZATION CONDITIONS: 0.1 M BICINE PH 9.3 30 % PEG SMEAR REMARK 280 LOW, VAPOR DIFFUSION, SITTING DROP, TEMPERATURE 277K REMARK 290 REMARK 290 CRYSTALLOGRAPHIC SYMMETRY REMARK 290 SYMMETRY OPERATORS FOR SPACE GROUP: P 21 2 21 REMARK 290 REMARK 290 SYMOP SYMMETRY REMARK 290 NNNMMM OPERATOR REMARK 290 1555 X,Y,Z REMARK 290 2555 -X,Y,-Z REMARK 290 3555 X+1/2,-Y,-Z+1/2 REMARK 290 4555 -X+1/2,-Y,Z+1/2 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 0.00000 REMARK 290 SMTRY3 2 0.000000 0.000000 -1.000000 0.00000 REMARK 290 SMTRY1 3 1.000000 0.000000 0.000000 21.13950 REMARK 290 SMTRY2 3 0.000000 -1.000000 0.000000 0.00000 REMARK 290 SMTRY3 3 0.000000 0.000000 -1.000000 85.86600 REMARK 290 SMTRY1 4 -1.000000 0.000000 0.000000 21.13950 REMARK 290 SMTRY2 4 0.000000 -1.000000 0.000000 0.00000 REMARK 290 SMTRY3 4 0.000000 0.000000 1.000000 85.86600 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: MONOMERIC REMARK 350 APPLY THE FOLLOWING TO CHAINS: 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 ALA A 155 REMARK 465 VAL A 156 REMARK 465 VAL A 171 REMARK 465 ASN A 172 REMARK 465 LYS A 173 REMARK 465 SER A 174 REMARK 465 GLY A 175 REMARK 465 LEU A 297 REMARK 465 VAL A 298 REMARK 465 ASP A 299 REMARK 465 ARG A 300 REMARK 465 SER A 301 REMARK 465 VAL A 302 REMARK 465 ILE A 303 REMARK 465 GLU A 304 REMARK 465 ARG A 305 REMARK 465 ILE A 306 REMARK 465 GLU A 307 REMARK 465 ALA A 308 REMARK 465 ASP A 309 REMARK 465 LEU A 310 REMARK 465 GLN A 311 REMARK 465 ALA A 312 REMARK 465 LYS A 313 REMARK 465 LEU A 314 REMARK 465 GLU A 315 REMARK 465 GLU A 316 REMARK 465 ARG A 317 REMARK 465 GLU A 318 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 0 CG ND1 CD2 CE1 NE2 REMARK 470 HIS A 1 CG ND1 CD2 CE1 NE2 REMARK 470 HIS A 2 CG ND1 CD2 CE1 NE2 REMARK 470 HIS A 3 CG ND1 CD2 CE1 NE2 REMARK 470 HIS A 4 CG ND1 CD2 CE1 NE2 REMARK 470 HIS A 5 CG ND1 CD2 CE1 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 HIS A 5 -13.50 81.34 REMARK 500 TYR A 74 -19.36 -144.28 REMARK 500 ASN A 100 67.91 81.60 REMARK 500 ILE A 280 -59.81 -120.54 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 402 MG REMARK 620 N RES CSSEQI ATOM REMARK 620 1 ASP A 32 OD2 REMARK 620 2 GLU A 34 OE2 85.0 REMARK 620 3 ASP A 252 OD2 106.6 122.6 REMARK 620 4 TMP A 401 O1P 164.3 97.3 85.3 REMARK 620 5 TMP A 401 O2P 102.8 119.5 112.2 62.5 REMARK 620 N 1 2 3 4 REMARK 620 REMARK 620 COORDINATION ANGLES FOR: M RES CSSEQI METAL REMARK 620 MG A 403 MG REMARK 620 N RES CSSEQI ATOM REMARK 620 1 ASP A 32 OD1 REMARK 620 2 TMP A 401 O2P 98.6 REMARK 620 3 HOH A 506 O 75.8 79.7 REMARK 620 4 HOH A 510 O 90.6 168.4 96.0 REMARK 620 5 HOH A 514 O 97.9 94.7 170.7 90.9 REMARK 620 6 HOH A 519 O 158.1 85.3 83.8 83.5 103.3 REMARK 620 N 1 2 3 4 5 DBREF 7R0T A 0 318 PDB 7R0T 7R0T 0 318 SEQRES 1 A 318 HIS HIS HIS HIS HIS HIS ARG GLN TYR ASN LEU VAL THR SEQRES 2 A 318 ARG GLU SER LEU PRO GLN ALA LEU ARG ARG ILE GLU GLU SEQRES 3 A 318 ALA LYS ARG ILE ALA LEU ASP THR GLU THR THR GLY LEU SEQRES 4 A 318 GLN ILE TYR LEU PRO GLY PHE GLU LEU VAL GLY LEU ALA SEQRES 5 A 318 VAL ALA VAL SER PRO GLU GLU ALA TYR TYR PHE PRO TYR SEQRES 6 A 318 ALA HIS ARG ASP PHE ALA GLY LEU ARG TYR GLN PRO GLU SEQRES 7 A 318 ASN LEU SER ARG GLU ASP LEU LEU ARG VAL LEU GLU LEU SEQRES 8 A 318 ALA PHE GLN ARG SER VAL VAL TYR HIS ASN ALA ALA TYR SEQRES 9 A 318 ASP ARG GLN VAL LEU TYR ARG THR LEU GLY ILE PRO PHE SEQRES 10 A 318 GLU ARG SER TYR GLY ASN ASP THR MET ILE ALA LEU HIS SEQRES 11 A 318 LEU MET ASP GLU ASN HIS SER ASN SER LEU LYS GLU TRP SEQRES 12 A 318 SER LYS THR LEU LEU GLY LEU GLU GLU SER MET ALA VAL SEQRES 13 A 318 PRO GLU LEU PRO SER LEU THR ASP VAL GLU LEU VAL ASP SEQRES 14 A 318 THR VAL ASN LYS SER GLY ARG LYS TYR LYS LYS LYS VAL SEQRES 15 A 318 HIS LYS LEU ALA PRO ASP TRP LEU ASP ARG LEU LYS THR SEQRES 16 A 318 ALA PHE LEU SER VAL HIS ASN GLY GLY VAL SER PHE ALA SEQRES 17 A 318 ALA LEU HIS LYS LEU VAL ALA GLN ALA PHE ASN THR LEU SEQRES 18 A 318 LYS ALA ARG GLY ILE LEU TYR TYR PRO GLY SER PHE PRO SEQRES 19 A 318 VAL ASP PHE ARG TYR PHE HIS VAL HIS LEU ALA HIS ILE SEQRES 20 A 318 TYR ALA LEU ASP ASP ALA MET ASN THR LEU ALA LEU TRP SEQRES 21 A 318 GLU HIS VAL GLU ILE PHE LEU GLN LEU HIS PRO GLN LEU SEQRES 22 A 318 GLU ARG LEU TYR LEU ASP ILE GLU LEU PRO VAL ASN ASP SEQRES 23 A 318 ILE MET THR ARG ALA SER ALA ARG GLY VAL LEU VAL ASP SEQRES 24 A 318 ARG SER VAL ILE GLU ARG ILE GLU ALA ASP LEU GLN ALA SEQRES 25 A 318 LYS LEU GLU GLU ARG GLU HET TMP A 401 21 HET MG A 402 1 HET MG A 403 1 HET TB A 404 1 HET CL A 405 1 HET CL A 406 1 HET CL A 407 1 HET CL A 408 1 HETNAM TMP THYMIDINE-5'-PHOSPHATE HETNAM MG MAGNESIUM ION HETNAM TB TERBIUM(III) ION HETNAM CL CHLORIDE ION FORMUL 2 TMP C10 H15 N2 O8 P FORMUL 3 MG 2(MG 2+) FORMUL 5 TB TB 3+ FORMUL 6 CL 4(CL 1-) FORMUL 10 HOH *46(H2 O) HELIX 1 AA1 SER A 15 ALA A 26 1 12 HELIX 2 AA2 SER A 80 PHE A 92 1 13 HELIX 3 AA3 ASN A 100 GLY A 113 1 14 HELIX 4 AA4 PRO A 115 TYR A 120 1 6 HELIX 5 AA5 THR A 124 LEU A 130 1 7 HELIX 6 AA6 SER A 138 LEU A 147 1 10 HELIX 7 AA7 ASP A 188 SER A 199 1 12 HELIX 8 AA8 SER A 206 ALA A 223 1 18 HELIX 9 AA9 ASP A 236 PHE A 240 5 5 HELIX 10 AB1 HIS A 241 HIS A 270 1 30 HELIX 11 AB2 HIS A 270 ILE A 280 1 11 HELIX 12 AB3 ILE A 280 ALA A 293 1 14 SHEET 1 AA1 7 HIS A 1 HIS A 3 0 SHEET 2 AA1 7 ARG A 6 LEU A 10 -1 O TYR A 8 N HIS A 1 SHEET 3 AA1 7 GLU A 58 PRO A 63 1 O TYR A 61 N ASN A 9 SHEET 4 AA1 7 LEU A 47 SER A 55 -1 N LEU A 50 O PHE A 62 SHEET 5 AA1 7 ARG A 28 THR A 35 -1 N ASP A 32 O ALA A 51 SHEET 6 AA1 7 SER A 95 TYR A 98 1 O SER A 95 N ILE A 29 SHEET 7 AA1 7 ASN A 122 ASP A 123 1 O ASN A 122 N TYR A 98 SHEET 1 AA2 2 THR A 163 THR A 170 0 SHEET 2 AA2 2 TYR A 178 LEU A 185 -1 O VAL A 182 N GLU A 166 LINK OD2 ASP A 32 MG MG A 402 1555 1555 2.08 LINK OD1 ASP A 32 MG MG A 403 1555 1555 2.11 LINK OE2 GLU A 34 MG MG A 402 1555 1555 2.07 LINK OD2 ASP A 252 MG MG A 402 1555 1555 2.08 LINK OE1 GLU A 264 TB TB A 404 1555 1555 3.05 LINK O1P TMP A 401 MG MG A 402 1555 1555 2.64 LINK O2P TMP A 401 MG MG A 402 1555 1555 2.09 LINK O2P TMP A 401 MG MG A 403 1555 1555 2.09 LINK MG MG A 403 O HOH A 506 1555 1555 2.10 LINK MG MG A 403 O HOH A 510 1555 1555 2.09 LINK MG MG A 403 O HOH A 514 1555 1555 2.07 LINK MG MG A 403 O HOH A 519 1555 1555 2.10 CRYST1 42.279 54.110 171.732 90.00 90.00 90.00 P 21 2 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 0.023652 0.000000 0.000000 0.00000 SCALE2 0.000000 0.018481 0.000000 0.00000 SCALE3 0.000000 0.000000 0.005823 0.00000