HEADER RNA BINDING PROTEIN/RNA 19-NOV-15 5EV3 TITLE STRUCTURE III 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*U)-D(P*U)-R(P*UP*U)-D(P*(BRU)P*UP*U)- COMPND 10 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: 511693; 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 5EV3 1 REMARK REVDAT 4 25-DEC-19 5EV3 1 REMARK REVDAT 3 27-SEP-17 5EV3 1 REMARK REVDAT 2 23-MAR-16 5EV3 1 JRNL REVDAT 1 24-FEB-16 5EV3 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. 1.50 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) : 1.50 REMARK 3 RESOLUTION RANGE LOW (ANGSTROMS) : 32.87 REMARK 3 MIN(FOBS/SIGMA_FOBS) : 1.890 REMARK 3 COMPLETENESS FOR RANGE (%) : 97.4 REMARK 3 NUMBER OF REFLECTIONS : 31802 REMARK 3 REMARK 3 FIT TO DATA USED IN REFINEMENT. REMARK 3 R VALUE (WORKING + TEST SET) : 0.155 REMARK 3 R VALUE (WORKING SET) : 0.153 REMARK 3 FREE R VALUE : 0.186 REMARK 3 FREE R VALUE TEST SET SIZE (%) : 5.890 REMARK 3 FREE R VALUE TEST SET COUNT : 1996 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 32.8740 - 4.4839 0.99 2259 138 0.1581 0.1745 REMARK 3 2 4.4839 - 3.5604 0.99 2258 140 0.1313 0.1420 REMARK 3 3 3.5604 - 3.1108 1.00 2270 146 0.1454 0.1998 REMARK 3 4 3.1108 - 2.8265 1.00 2279 134 0.1567 0.2310 REMARK 3 5 2.8265 - 2.6240 0.99 2261 143 0.1553 0.1832 REMARK 3 6 2.6240 - 2.4694 0.99 2257 139 0.1528 0.2097 REMARK 3 7 2.4694 - 2.3457 1.00 2291 143 0.1538 0.2023 REMARK 3 8 2.3457 - 2.2436 0.99 2231 146 0.1477 0.1594 REMARK 3 9 2.2436 - 2.1573 1.00 2234 144 0.1441 0.1844 REMARK 3 10 2.1573 - 2.0829 0.99 2285 140 0.1485 0.1741 REMARK 3 11 2.0829 - 2.0177 0.99 2264 144 0.1557 0.1888 REMARK 3 12 2.0177 - 1.9601 1.00 2259 145 0.1566 0.1802 REMARK 3 13 1.9601 - 1.9085 0.99 2268 139 0.1628 0.1815 REMARK 3 14 1.9085 - 1.8619 1.00 2280 143 0.1597 0.2172 REMARK 3 15 1.8619 - 1.8196 1.00 2280 137 0.1665 0.2000 REMARK 3 16 1.8196 - 1.7809 1.00 2255 141 0.1589 0.1829 REMARK 3 17 1.7809 - 1.7452 0.99 2262 142 0.1695 0.2113 REMARK 3 18 1.7452 - 1.7123 1.00 2272 144 0.1592 0.1807 REMARK 3 19 1.7123 - 1.6817 0.99 2239 141 0.1605 0.2000 REMARK 3 20 1.6817 - 1.6532 1.00 2286 142 0.1563 0.2155 REMARK 3 21 1.6532 - 1.6266 0.99 2266 143 0.1612 0.1551 REMARK 3 22 1.6266 - 1.6015 1.00 2284 141 0.1578 0.1952 REMARK 3 23 1.6015 - 1.5780 0.99 2244 142 0.1697 0.1955 REMARK 3 24 1.5780 - 1.5558 1.00 2268 141 0.1736 0.1790 REMARK 3 25 1.5558 - 1.5347 0.96 2237 146 0.1861 0.2345 REMARK 3 26 1.5347 - 1.5148 0.95 2138 131 0.1858 0.2293 REMARK 3 27 1.5148 - 1.4959 0.51 1166 75 0.2181 0.2421 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) : 0.100 REMARK 3 PHASE ERROR (DEGREES, MAXIMUM-LIKELIHOOD BASED) : 18.390 REMARK 3 REMARK 3 B VALUES. REMARK 3 FROM WILSON PLOT (A**2) : 16.42 REMARK 3 MEAN B VALUE (OVERALL, A**2) : 26.56 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 : 0.008 1706 REMARK 3 ANGLE : 1.052 2348 REMARK 3 CHIRALITY : 0.073 270 REMARK 3 PLANARITY : 0.008 285 REMARK 3 DIHEDRAL : 14.387 665 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 5EV3 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_1000212982. REMARK 200 REMARK 200 EXPERIMENTAL DETAILS REMARK 200 EXPERIMENT TYPE : X-RAY DIFFRACTION REMARK 200 DATE OF DATA COLLECTION : 27-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 : 33918 REMARK 200 RESOLUTION RANGE HIGH (A) : 1.500 REMARK 200 RESOLUTION RANGE LOW (A) : 38.710 REMARK 200 REJECTION CRITERIA (SIGMA(I)) : NULL REMARK 200 REMARK 200 OVERALL. REMARK 200 COMPLETENESS FOR RANGE (%) : 98.2 REMARK 200 DATA REDUNDANCY : 6.100 REMARK 200 R MERGE (I) : 0.02400 REMARK 200 R SYM (I) : NULL REMARK 200 FOR THE DATA SET : 38.0000 REMARK 200 REMARK 200 IN THE HIGHEST RESOLUTION SHELL. REMARK 200 HIGHEST RESOLUTION SHELL, RANGE HIGH (A) : 1.50 REMARK 200 HIGHEST RESOLUTION SHELL, RANGE LOW (A) : 1.52 REMARK 200 COMPLETENESS FOR SHELL (%) : 69.8 REMARK 200 DATA REDUNDANCY IN SHELL : 3.00 REMARK 200 R MERGE FOR SHELL (I) : 0.14800 REMARK 200 R SYM FOR SHELL (I) : NULL REMARK 200 FOR SHELL : 6.500 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 (%): 45.19 REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 2.24 REMARK 280 REMARK 280 CRYSTALLIZATION CONDITIONS: 1M SUCCINIC ACID, 0.1M, 1% PEG MME REMARK 280 2000, VAPOR DIFFUSION, SITTING 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 21.67550 REMARK 290 SMTRY2 2 0.000000 -1.000000 0.000000 0.00000 REMARK 290 SMTRY3 2 0.000000 0.000000 1.000000 38.71250 REMARK 290 SMTRY1 3 -1.000000 0.000000 0.000000 0.00000 REMARK 290 SMTRY2 3 0.000000 1.000000 0.000000 31.09800 REMARK 290 SMTRY3 3 0.000000 0.000000 -1.000000 38.71250 REMARK 290 SMTRY1 4 1.000000 0.000000 0.000000 21.67550 REMARK 290 SMTRY2 4 0.000000 -1.000000 0.000000 31.09800 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: 3010 ANGSTROM**2 REMARK 350 SURFACE AREA OF THE COMPLEX: 9850 ANGSTROM**2 REMARK 350 CHANGE IN SOLVENT FREE ENERGY: -17.0 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 MET A 144 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 GLN A 193 CG CD OE1 NE2 REMARK 470 GLN A 233 CG CD OE1 NE2 REMARK 470 GLU A 240 CG CD OE1 OE2 REMARK 470 LEU A 325 CG CD1 CD2 REMARK 470 ASP A 327 CG OD1 OD2 REMARK 470 LYS A 328 CG CD CE NZ 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 HE22 GLN A 190 O HOH A 402 1.50 REMARK 500 HH12 ARG A 146 O3' DU B 9 1.53 REMARK 500 O HOH A 494 O HOH A 508 1.83 REMARK 500 O HOH A 541 O HOH A 606 1.88 REMARK 500 O HOH A 591 O HOH A 619 1.93 REMARK 500 O HOH A 606 O HOH A 624 1.95 REMARK 500 ND2 ASN A 268 O HOH A 401 1.96 REMARK 500 O HOH A 535 O HOH A 573 1.99 REMARK 500 O HOH A 411 O HOH A 547 2.05 REMARK 500 O HOH B 132 O HOH B 134 2.06 REMARK 500 O HOH A 541 O HOH A 577 2.11 REMARK 500 O HOH A 562 O HOH A 587 2.14 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 451 O HOH A 508 4545 2.12 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 35.50 78.20 REMARK 500 REMARK 500 REMARK: NULL REMARK 525 REMARK 525 SOLVENT REMARK 525 REMARK 525 THE SOLVENT MOLECULES HAVE CHAIN IDENTIFIERS THAT REMARK 525 INDICATE THE POLYMER CHAIN WITH WHICH THEY ARE MOST REMARK 525 CLOSELY ASSOCIATED. THE REMARK LISTS ALL THE SOLVENT REMARK 525 MOLECULES WHICH ARE MORE THAN 5A AWAY FROM THE REMARK 525 NEAREST POLYMER CHAIN (M = MODEL NUMBER; REMARK 525 RES=RESIDUE NAME; C=CHAIN IDENTIFIER; SSEQ=SEQUENCE REMARK 525 NUMBER; I=INSERTION CODE): REMARK 525 REMARK 525 M RES CSSEQI REMARK 525 HOH A 626 DISTANCE = 6.06 ANGSTROMS 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: 5EV4 RELATED DB: PDB DBREF 5EV3 A 141 341 UNP P26368 U2AF2_HUMAN 141 341 DBREF 5EV3 B 2 9 PDB 5EV3 5EV3 2 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 8 U U DU U U BRU DU DU HET BRU B 7 20 HETNAM BRU 5-BROMO-2'-DEOXYURIDINE-5'-MONOPHOSPHATE FORMUL 2 BRU C9 H12 BR N2 O8 P FORMUL 3 HOH *263(H2 O) HELIX 1 AA1 ARG A 146 ALA A 148 5 3 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 LYS A 225 N GLY A 154 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 1.62 CRYST1 43.351 62.196 77.425 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 0.023068 0.000000 0.000000 0.00000 SCALE2 0.000000 0.016078 0.000000 0.00000 SCALE3 0.000000 0.000000 0.012916 0.00000