HEADER RNA BINDING PROTEIN/RNA 19-NOV-15 5EV4 TITLE STRUCTURE IV OF INTACT U2AF65 RECOGNIZING THE 3' SPLICE SITE SIGNAL COMPND MOL_ID: 1; COMPND 2 MOLECULE: SPLICING FACTOR U2AF 65 KDA SUBUNIT; COMPND 3 CHAIN: A; COMPND 4 FRAGMENT: UNP RESIDUES 141-341; COMPND 5 SYNONYM: U2 AUXILIARY FACTOR 65 KDA SUBUNIT,HU2AF65,U2 SNRNP COMPND 6 AUXILIARY FACTOR LARGE SUBUNIT; COMPND 7 ENGINEERED: YES; COMPND 8 MOL_ID: 2; COMPND 9 MOLECULE: DNA/RNA (5'-R(P*UP*UP*UP*(UD)P*UP*U)-D(P*(BRU)P*(UD))- COMPND 10 R(P*C)-3'); COMPND 11 CHAIN: B; COMPND 12 ENGINEERED: YES; COMPND 13 OTHER_DETAILS: 5' PHOSPHORYLATION SOURCE MOL_ID: 1; SOURCE 2 ORGANISM_SCIENTIFIC: HOMO SAPIENS; SOURCE 3 ORGANISM_COMMON: HUMAN; SOURCE 4 ORGANISM_TAXID: 9606; SOURCE 5 GENE: U2AF2, U2AF65; SOURCE 6 EXPRESSION_SYSTEM: ESCHERICHIA COLI; SOURCE 7 EXPRESSION_SYSTEM_TAXID: 562; SOURCE 8 EXPRESSION_SYSTEM_STRAIN: BL21; SOURCE 9 EXPRESSION_SYSTEM_VECTOR_TYPE: PLASMID; SOURCE 10 EXPRESSION_SYSTEM_PLASMID: PGEX-6P; SOURCE 11 MOL_ID: 2; SOURCE 12 SYNTHETIC: YES; SOURCE 13 ORGANISM_SCIENTIFIC: SYNTHETIC CONSTRUCT; SOURCE 14 ORGANISM_TAXID: 32630 KEYWDS PROTEIN-RNA COMPLEX, RNA SPLICING FACTOR, RNA RECOGNITION MOTIF, KEYWDS 2 POLYPYRIMIDINE TRACT, RNA BINDING PROTEIN-RNA COMPLEX EXPDTA X-RAY DIFFRACTION AUTHOR A.A.AGRAWAL,J.L.JENKINS,C.L.KIELKOPF REVDAT 5 06-MAR-24 5EV4 1 REMARK REVDAT 4 25-DEC-19 5EV4 1 REMARK REVDAT 3 27-SEP-17 5EV4 1 REMARK REVDAT 2 23-MAR-16 5EV4 1 JRNL REVDAT 1 24-FEB-16 5EV4 0 JRNL AUTH A.A.AGRAWAL,E.SALSI,R.CHATRIKHI,S.HENDERSON,J.L.JENKINS, JRNL AUTH 2 M.R.GREEN,D.N.ERMOLENKO,C.L.KIELKOPF JRNL TITL AN EXTENDED U2AF(65)-RNA-BINDING DOMAIN RECOGNIZES THE 3' JRNL TITL 2 SPLICE SITE SIGNAL. JRNL REF NAT COMMUN V. 7 10950 2016 JRNL REFN ESSN 2041-1723 JRNL PMID 26952537 JRNL DOI 10.1038/NCOMMS10950 REMARK 2 REMARK 2 RESOLUTION. 1.57 ANGSTROMS. REMARK 3 REMARK 3 REFINEMENT. REMARK 3 PROGRAM : PHENIX 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) : 1.57 REMARK 3 RESOLUTION RANGE LOW (ANGSTROMS) : 38.83 REMARK 3 MIN(FOBS/SIGMA_FOBS) : 1.910 REMARK 3 COMPLETENESS FOR RANGE (%) : 97.7 REMARK 3 NUMBER OF REFLECTIONS : 28162 REMARK 3 REMARK 3 FIT TO DATA USED IN REFINEMENT. REMARK 3 R VALUE (WORKING + TEST SET) : 0.156 REMARK 3 R VALUE (WORKING SET) : 0.154 REMARK 3 FREE R VALUE : 0.176 REMARK 3 FREE R VALUE TEST SET SIZE (%) : 6.630 REMARK 3 FREE R VALUE TEST SET COUNT : 2000 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 38.8429 - 4.7080 0.99 1981 145 0.1730 0.1654 REMARK 3 2 4.7080 - 3.7379 0.99 1990 143 0.1301 0.1326 REMARK 3 3 3.7379 - 3.2656 1.00 2015 141 0.1422 0.1514 REMARK 3 4 3.2656 - 2.9672 1.00 1988 141 0.1593 0.1858 REMARK 3 5 2.9672 - 2.7546 0.99 1977 139 0.1615 0.1792 REMARK 3 6 2.7546 - 2.5922 1.00 2006 143 0.1578 0.2235 REMARK 3 7 2.5922 - 2.4624 1.00 2007 145 0.1522 0.2177 REMARK 3 8 2.4624 - 2.3552 1.00 1998 144 0.1575 0.1728 REMARK 3 9 2.3552 - 2.2646 1.00 1999 142 0.1524 0.1605 REMARK 3 10 2.2646 - 2.1864 0.99 1976 139 0.1413 0.1535 REMARK 3 11 2.1864 - 2.1181 1.00 2002 137 0.1489 0.1831 REMARK 3 12 2.1181 - 2.0575 1.00 2024 138 0.1578 0.2031 REMARK 3 13 2.0575 - 2.0034 1.00 2032 140 0.1577 0.1826 REMARK 3 14 2.0034 - 1.9545 1.00 1976 135 0.1524 0.2030 REMARK 3 15 1.9545 - 1.9101 1.00 1997 147 0.1577 0.1877 REMARK 3 16 1.9101 - 1.8694 1.00 1990 138 0.1596 0.2061 REMARK 3 17 1.8694 - 1.8320 1.00 2001 141 0.1659 0.2097 REMARK 3 18 1.8320 - 1.7975 1.00 2019 147 0.1601 0.1948 REMARK 3 19 1.7975 - 1.7653 1.00 1971 136 0.1674 0.1880 REMARK 3 20 1.7653 - 1.7354 1.00 2002 142 0.1616 0.1946 REMARK 3 21 1.7354 - 1.7074 1.00 2002 148 0.1633 0.1683 REMARK 3 22 1.7074 - 1.6812 1.00 1980 142 0.1575 0.1916 REMARK 3 23 1.6812 - 1.6564 1.00 2012 146 0.1610 0.1935 REMARK 3 24 1.6564 - 1.6331 1.00 1990 142 0.1646 0.2293 REMARK 3 25 1.6331 - 1.6110 0.99 2003 143 0.1698 0.1819 REMARK 3 26 1.6110 - 1.5901 0.94 1886 137 0.1810 0.1913 REMARK 3 27 1.5901 - 1.5702 0.50 1017 73 0.1952 0.2006 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) : 0.120 REMARK 3 PHASE ERROR (DEGREES, MAXIMUM-LIKELIHOOD BASED) : 16.560 REMARK 3 REMARK 3 B VALUES. REMARK 3 FROM WILSON PLOT (A**2) : 18.63 REMARK 3 MEAN B VALUE (OVERALL, A**2) : 27.12 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 : 0.009 1730 REMARK 3 ANGLE : 1.054 2381 REMARK 3 CHIRALITY : 0.055 276 REMARK 3 PLANARITY : 0.007 285 REMARK 3 DIHEDRAL : 12.480 1038 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 5EV4 COMPLIES WITH FORMAT V. 3.30, 13-JUL-11 REMARK 100 REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY RCSB ON 23-NOV-15. REMARK 100 THE DEPOSITION ID IS D_1000212983. REMARK 200 REMARK 200 EXPERIMENTAL DETAILS REMARK 200 EXPERIMENT TYPE : X-RAY DIFFRACTION REMARK 200 DATE OF DATA COLLECTION : 26-MAR-14 REMARK 200 TEMPERATURE (KELVIN) : 100 REMARK 200 PH : 7.0 REMARK 200 NUMBER OF CRYSTALS USED : 1 REMARK 200 REMARK 200 SYNCHROTRON (Y/N) : Y REMARK 200 RADIATION SOURCE : SSRL REMARK 200 BEAMLINE : BL12-2 REMARK 200 X-RAY GENERATOR MODEL : NULL REMARK 200 MONOCHROMATIC OR LAUE (M/L) : M REMARK 200 WAVELENGTH OR RANGE (A) : 0.97945 REMARK 200 MONOCHROMATOR : NULL REMARK 200 OPTICS : NULL REMARK 200 REMARK 200 DETECTOR TYPE : PIXEL REMARK 200 DETECTOR MANUFACTURER : DECTRIS PILATUS 6M REMARK 200 INTENSITY-INTEGRATION SOFTWARE : XDS REMARK 200 DATA SCALING SOFTWARE : AIMLESS 0.1.26 REMARK 200 REMARK 200 NUMBER OF UNIQUE REFLECTIONS : 30216 REMARK 200 RESOLUTION RANGE HIGH (A) : 1.570 REMARK 200 RESOLUTION RANGE LOW (A) : 38.830 REMARK 200 REJECTION CRITERIA (SIGMA(I)) : NULL REMARK 200 REMARK 200 OVERALL. REMARK 200 COMPLETENESS FOR RANGE (%) : 98.3 REMARK 200 DATA REDUNDANCY : 6.200 REMARK 200 R MERGE (I) : 0.02200 REMARK 200 R SYM (I) : NULL REMARK 200 FOR THE DATA SET : 42.9000 REMARK 200 REMARK 200 IN THE HIGHEST RESOLUTION SHELL. REMARK 200 HIGHEST RESOLUTION SHELL, RANGE HIGH (A) : 1.57 REMARK 200 HIGHEST RESOLUTION SHELL, RANGE LOW (A) : 1.60 REMARK 200 COMPLETENESS FOR SHELL (%) : 71.7 REMARK 200 DATA REDUNDANCY IN SHELL : 3.10 REMARK 200 R MERGE FOR SHELL (I) : 0.14900 REMARK 200 R SYM FOR SHELL (I) : NULL REMARK 200 FOR SHELL : 6.900 REMARK 200 REMARK 200 DIFFRACTION PROTOCOL: SINGLE WAVELENGTH REMARK 200 METHOD USED TO DETERMINE THE STRUCTURE: FOURIER SYNTHESIS REMARK 200 SOFTWARE USED: NULL REMARK 200 STARTING MODEL: NULL REMARK 200 REMARK 200 REMARK: NULL REMARK 280 REMARK 280 CRYSTAL REMARK 280 SOLVENT CONTENT, VS (%): 45.59 REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 2.26 REMARK 280 REMARK 280 CRYSTALLIZATION CONDITIONS: 1M SUCCINIC ACID, 0.1M HEPES, 3% PEG REMARK 280 MME 2000, VAPOR DIFFUSION, HANGING DROP, TEMPERATURE 277K REMARK 290 REMARK 290 CRYSTALLOGRAPHIC SYMMETRY REMARK 290 SYMMETRY OPERATORS FOR SPACE GROUP: P 21 21 21 REMARK 290 REMARK 290 SYMOP SYMMETRY REMARK 290 NNNMMM OPERATOR REMARK 290 1555 X,Y,Z REMARK 290 2555 -X+1/2,-Y,Z+1/2 REMARK 290 3555 -X,Y+1/2,-Z+1/2 REMARK 290 4555 X+1/2,-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 21.75100 REMARK 290 SMTRY2 2 0.000000 -1.000000 0.000000 0.00000 REMARK 290 SMTRY3 2 0.000000 0.000000 1.000000 38.83100 REMARK 290 SMTRY1 3 -1.000000 0.000000 0.000000 0.00000 REMARK 290 SMTRY2 3 0.000000 1.000000 0.000000 31.70550 REMARK 290 SMTRY3 3 0.000000 0.000000 -1.000000 38.83100 REMARK 290 SMTRY1 4 1.000000 0.000000 0.000000 21.75100 REMARK 290 SMTRY2 4 0.000000 -1.000000 0.000000 31.70550 REMARK 290 SMTRY3 4 0.000000 0.000000 -1.000000 0.00000 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: DIMERIC REMARK 350 SOFTWARE DETERMINED QUATERNARY STRUCTURE: DIMERIC REMARK 350 SOFTWARE USED: PISA REMARK 350 TOTAL BURIED SURFACE AREA: 3320 ANGSTROM**2 REMARK 350 SURFACE AREA OF THE COMPLEX: 9920 ANGSTROM**2 REMARK 350 CHANGE IN SOLVENT FREE ENERGY: -26.0 KCAL/MOL REMARK 350 APPLY THE FOLLOWING TO CHAINS: A, 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 GLY A 141 REMARK 465 SER A 142 REMARK 465 GLN A 143 REMARK 465 ASN A 341 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 MET A 144 CG SD CE REMARK 470 PHE A 158 CG CD1 CD2 CE1 CE2 CZ REMARK 470 LYS A 195 CG CD CE NZ REMARK 470 GLN A 233 CG CD OE1 NE2 REMARK 470 SER A 239 OG REMARK 470 ASP A 327 CG OD1 OD2 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 O HOH A 564 O HOH A 606 1.98 REMARK 500 OE1 GLN A 315 O HOH A 501 2.03 REMARK 500 REMARK 500 REMARK: NULL REMARK 500 REMARK 500 GEOMETRY AND STEREOCHEMISTRY REMARK 500 SUBTOPIC: CLOSE CONTACTS REMARK 500 REMARK 500 THE FOLLOWING ATOMS THAT ARE RELATED BY CRYSTALLOGRAPHIC REMARK 500 SYMMETRY ARE IN CLOSE CONTACT. AN ATOM LOCATED WITHIN 0.15 REMARK 500 ANGSTROMS OF A SYMMETRY RELATED ATOM IS ASSUMED TO BE ON A REMARK 500 SPECIAL POSITION AND IS, THEREFORE, LISTED IN REMARK 375 REMARK 500 INSTEAD OF REMARK 500. ATOMS WITH NON-BLANK ALTERNATE REMARK 500 LOCATION INDICATORS ARE NOT INCLUDED IN THE CALCULATIONS. REMARK 500 REMARK 500 DISTANCE CUTOFF: REMARK 500 2.2 ANGSTROMS FOR CONTACTS NOT INVOLVING HYDROGEN ATOMS REMARK 500 1.6 ANGSTROMS FOR CONTACTS INVOLVING HYDROGEN ATOMS REMARK 500 REMARK 500 ATM1 RES C SSEQI ATM2 RES C SSEQI SSYMOP DISTANCE REMARK 500 O HOH A 520 O HOH A 606 4545 2.13 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 ASN A 196 33.73 75.78 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 GOL A 401 REMARK 900 REMARK 900 RELATED ENTRIES REMARK 900 RELATED ID: 5EV1 RELATED DB: PDB REMARK 900 RELATED ID: 5EV2 RELATED DB: PDB REMARK 900 RELATED ID: 5EV3 RELATED DB: PDB DBREF 5EV4 A 141 341 UNP P26368 U2AF2_HUMAN 141 341 DBREF 5EV4 B 1 9 PDB 5EV4 5EV4 1 9 SEQRES 1 A 201 GLY SER GLN MET THR ARG GLN ALA ARG ARG LEU TYR VAL SEQRES 2 A 201 GLY ASN ILE PRO PHE GLY ILE THR GLU GLU ALA MET MET SEQRES 3 A 201 ASP PHE PHE ASN ALA GLN MET ARG LEU GLY GLY LEU THR SEQRES 4 A 201 GLN ALA PRO GLY ASN PRO VAL LEU ALA VAL GLN ILE ASN SEQRES 5 A 201 GLN ASP LYS ASN PHE ALA PHE LEU GLU PHE ARG SER VAL SEQRES 6 A 201 ASP GLU THR THR GLN ALA MET ALA PHE ASP GLY ILE ILE SEQRES 7 A 201 PHE GLN GLY GLN SER LEU LYS ILE ARG ARG PRO HIS ASP SEQRES 8 A 201 TYR GLN PRO LEU PRO GLY MET SER GLU ASN PRO SER VAL SEQRES 9 A 201 TYR VAL PRO GLY VAL VAL SER THR VAL VAL PRO ASP SER SEQRES 10 A 201 ALA HIS LYS LEU PHE ILE GLY GLY LEU PRO ASN TYR LEU SEQRES 11 A 201 ASN ASP ASP GLN VAL LYS GLU LEU LEU THR SER PHE GLY SEQRES 12 A 201 PRO LEU LYS ALA PHE ASN LEU VAL LYS ASP SER ALA THR SEQRES 13 A 201 GLY LEU SER LYS GLY TYR ALA PHE CYS GLU TYR VAL ASP SEQRES 14 A 201 ILE ASN VAL THR ASP GLN ALA ILE ALA GLY LEU ASN GLY SEQRES 15 A 201 MET GLN LEU GLY ASP LYS LYS LEU LEU VAL GLN ARG ALA SEQRES 16 A 201 SER VAL GLY ALA LYS ASN SEQRES 1 B 9 U U U DU U U BRU DU C HET BRU B 7 20 HET GOL A 401 14 HETNAM BRU 5-BROMO-2'-DEOXYURIDINE-5'-MONOPHOSPHATE HETNAM GOL GLYCEROL HETSYN GOL GLYCERIN; PROPANE-1,2,3-TRIOL FORMUL 2 BRU C9 H12 BR N2 O8 P FORMUL 3 GOL C3 H8 O3 FORMUL 4 HOH *177(H2 O) HELIX 1 AA1 THR A 145 ALA A 148 5 4 HELIX 2 AA2 THR A 161 GLY A 176 1 16 HELIX 3 AA3 SER A 204 MET A 212 1 9 HELIX 4 AA4 ALA A 213 ASP A 215 5 3 HELIX 5 AA5 ASN A 271 SER A 281 1 11 HELIX 6 AA6 ASN A 311 ASN A 321 1 11 HELIX 7 AA7 ALA A 335 ALA A 339 1 5 SHEET 1 AA1 4 VAL A 186 ASN A 192 0 SHEET 2 AA1 4 PHE A 197 PHE A 202 -1 O PHE A 197 N ASN A 192 SHEET 3 AA1 4 ARG A 150 GLY A 154 -1 N VAL A 153 O ALA A 198 SHEET 4 AA1 4 LYS A 225 ARG A 227 -1 O ARG A 227 N TYR A 152 SHEET 1 AA2 2 ILE A 218 PHE A 219 0 SHEET 2 AA2 2 GLN A 222 SER A 223 -1 O GLN A 222 N PHE A 219 SHEET 1 AA3 4 LEU A 285 LYS A 292 0 SHEET 2 AA3 4 SER A 299 TYR A 307 -1 O LYS A 300 N VAL A 291 SHEET 3 AA3 4 LEU A 261 GLY A 264 -1 N LEU A 261 O CYS A 305 SHEET 4 AA3 4 LEU A 331 ARG A 334 -1 O GLN A 333 N PHE A 262 SHEET 1 AA4 2 GLN A 324 LEU A 325 0 SHEET 2 AA4 2 LYS A 328 LYS A 329 -1 O LYS A 328 N LEU A 325 LINK O3' U B 6 P BRU B 7 1555 1555 1.58 LINK O3' BRU B 7 P DU B 8 1555 1555 1.61 SITE 1 AC1 8 ARG A 227 VAL A 253 ASN A 311 ASP A 314 SITE 2 AC1 8 HOH A 508 HOH A 534 HOH A 551 HOH A 565 CRYST1 43.502 63.411 77.662 90.00 90.00 90.00 P 21 21 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 0.022987 0.000000 0.000000 0.00000 SCALE2 0.000000 0.015770 0.000000 0.00000 SCALE3 0.000000 0.000000 0.012876 0.00000