HEADER RNA BINDING PROTEIN/RNA 19-NOV-15 5EV2 TITLE STRUCTURE II 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 OTHER_DETAILS: 5' PHOSPHORYLATION; COMPND 9 MOL_ID: 2; COMPND 10 MOLECULE: DNA (5'-R(P*UP*U)-D(P*UP*U)-R(P*U)-D(P*UP*(BRU)P*U)-3'); COMPND 11 CHAIN: B; COMPND 12 ENGINEERED: YES 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 BINDING PROTEIN-RNA KEYWDS 3 COMPLEX EXPDTA X-RAY DIFFRACTION AUTHOR A.A.AGRAWAL,J.L.JENKINS,C.L.KIELKOPF REVDAT 5 06-MAR-24 5EV2 1 REMARK REVDAT 4 25-DEC-19 5EV2 1 REMARK REVDAT 3 27-SEP-17 5EV2 1 REMARK REVDAT 2 23-MAR-16 5EV2 1 JRNL REVDAT 1 24-FEB-16 5EV2 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. 1.86 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) : 1.86 REMARK 3 RESOLUTION RANGE LOW (ANGSTROMS) : 32.57 REMARK 3 MIN(FOBS/SIGMA_FOBS) : 1.900 REMARK 3 COMPLETENESS FOR RANGE (%) : 98.1 REMARK 3 NUMBER OF REFLECTIONS : 17870 REMARK 3 REMARK 3 FIT TO DATA USED IN REFINEMENT. REMARK 3 R VALUE (WORKING + TEST SET) : 0.154 REMARK 3 R VALUE (WORKING SET) : 0.151 REMARK 3 FREE R VALUE : 0.188 REMARK 3 FREE R VALUE TEST SET SIZE (%) : 8.000 REMARK 3 FREE R VALUE TEST SET COUNT : 1456 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 32.5765 - 4.9560 0.99 1645 145 0.1786 0.1840 REMARK 3 2 4.9560 - 3.9359 0.99 1677 135 0.1249 0.1414 REMARK 3 3 3.9359 - 3.4390 0.99 1634 132 0.1331 0.1531 REMARK 3 4 3.4390 - 3.1249 0.99 1650 153 0.1396 0.1852 REMARK 3 5 3.1249 - 2.9010 0.98 1652 138 0.1413 0.2164 REMARK 3 6 2.9010 - 2.7301 0.99 1639 139 0.1499 0.1795 REMARK 3 7 2.7301 - 2.5934 0.99 1626 148 0.1433 0.2178 REMARK 3 8 2.5934 - 2.4806 0.99 1663 138 0.1476 0.1874 REMARK 3 9 2.4806 - 2.3851 0.98 1623 132 0.1416 0.1935 REMARK 3 10 2.3851 - 2.3028 0.98 1640 164 0.1402 0.1627 REMARK 3 11 2.3028 - 2.2308 0.98 1644 136 0.1478 0.1785 REMARK 3 12 2.2308 - 2.1671 0.98 1634 148 0.1488 0.2026 REMARK 3 13 2.1671 - 2.1100 0.98 1611 124 0.1566 0.2372 REMARK 3 14 2.1100 - 2.0586 0.98 1631 146 0.1596 0.1853 REMARK 3 15 2.0586 - 2.0118 0.97 1650 145 0.1734 0.2216 REMARK 3 16 2.0118 - 1.9690 0.98 1572 151 0.1826 0.2137 REMARK 3 17 1.9690 - 1.9296 0.98 1663 126 0.2072 0.2676 REMARK 3 18 1.9296 - 1.8932 0.97 1624 146 0.2085 0.2671 REMARK 3 19 1.8932 - 1.8594 0.94 1506 148 0.2219 0.2718 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) : 0.170 REMARK 3 PHASE ERROR (DEGREES, MAXIMUM-LIKELIHOOD BASED) : 18.040 REMARK 3 REMARK 3 B VALUES. REMARK 3 FROM WILSON PLOT (A**2) : 22.27 REMARK 3 MEAN B VALUE (OVERALL, A**2) : 28.48 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 : 0.010 1756 REMARK 3 ANGLE : 1.116 2399 REMARK 3 CHIRALITY : 0.060 270 REMARK 3 PLANARITY : 0.008 291 REMARK 3 DIHEDRAL : 14.560 1060 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 5EV2 COMPLIES WITH FORMAT V. 3.30, 13-JUL-11 REMARK 100 REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY RCSB ON 20-NOV-15. REMARK 100 THE DEPOSITION ID IS D_1000212928. REMARK 200 REMARK 200 EXPERIMENTAL DETAILS REMARK 200 EXPERIMENT TYPE : X-RAY DIFFRACTION REMARK 200 DATE OF DATA COLLECTION : 14-DEC-13 REMARK 200 TEMPERATURE (KELVIN) : 100 REMARK 200 PH : 4.0 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) : 1.1042 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 : 17870 REMARK 200 RESOLUTION RANGE HIGH (A) : 1.860 REMARK 200 RESOLUTION RANGE LOW (A) : 32.570 REMARK 200 REJECTION CRITERIA (SIGMA(I)) : NULL REMARK 200 REMARK 200 OVERALL. REMARK 200 COMPLETENESS FOR RANGE (%) : 98.7 REMARK 200 DATA REDUNDANCY : 4.300 REMARK 200 R MERGE (I) : NULL REMARK 200 R SYM (I) : 0.03900 REMARK 200 FOR THE DATA SET : 24.6000 REMARK 200 REMARK 200 IN THE HIGHEST RESOLUTION SHELL. REMARK 200 HIGHEST RESOLUTION SHELL, RANGE HIGH (A) : 1.86 REMARK 200 HIGHEST RESOLUTION SHELL, RANGE LOW (A) : 1.90 REMARK 200 COMPLETENESS FOR SHELL (%) : 95.9 REMARK 200 DATA REDUNDANCY IN SHELL : 4.20 REMARK 200 R MERGE FOR SHELL (I) : 0.30300 REMARK 200 R SYM FOR SHELL (I) : NULL REMARK 200 FOR SHELL : 4.600 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 (%): 42.42 REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 2.14 REMARK 280 REMARK 280 CRYSTALLIZATION CONDITIONS: 200 MM LICL, 100 MM SODIUM CITRATE, 8% REMARK 280 PEG 6000, 10% PEG 300, 10% DIOXANE, DEOXY-BIGCHAP, VAPOR REMARK 280 DIFFUSION, HANGING DROP, TEMPERATURE 277K REMARK 290 REMARK 290 CRYSTALLOGRAPHIC SYMMETRY REMARK 290 SYMMETRY OPERATORS FOR SPACE GROUP: C 2 2 21 REMARK 290 REMARK 290 SYMOP SYMMETRY REMARK 290 NNNMMM OPERATOR REMARK 290 1555 X,Y,Z REMARK 290 2555 -X,-Y,Z+1/2 REMARK 290 3555 -X,Y,-Z+1/2 REMARK 290 4555 X,-Y,-Z REMARK 290 5555 X+1/2,Y+1/2,Z REMARK 290 6555 -X+1/2,-Y+1/2,Z+1/2 REMARK 290 7555 -X+1/2,Y+1/2,-Z+1/2 REMARK 290 8555 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 0.00000 REMARK 290 SMTRY2 2 0.000000 -1.000000 0.000000 0.00000 REMARK 290 SMTRY3 2 0.000000 0.000000 1.000000 29.77200 REMARK 290 SMTRY1 3 -1.000000 0.000000 0.000000 0.00000 REMARK 290 SMTRY2 3 0.000000 1.000000 0.000000 0.00000 REMARK 290 SMTRY3 3 0.000000 0.000000 -1.000000 29.77200 REMARK 290 SMTRY1 4 1.000000 0.000000 0.000000 0.00000 REMARK 290 SMTRY2 4 0.000000 -1.000000 0.000000 0.00000 REMARK 290 SMTRY3 4 0.000000 0.000000 -1.000000 0.00000 REMARK 290 SMTRY1 5 1.000000 0.000000 0.000000 30.73450 REMARK 290 SMTRY2 5 0.000000 1.000000 0.000000 57.61000 REMARK 290 SMTRY3 5 0.000000 0.000000 1.000000 0.00000 REMARK 290 SMTRY1 6 -1.000000 0.000000 0.000000 30.73450 REMARK 290 SMTRY2 6 0.000000 -1.000000 0.000000 57.61000 REMARK 290 SMTRY3 6 0.000000 0.000000 1.000000 29.77200 REMARK 290 SMTRY1 7 -1.000000 0.000000 0.000000 30.73450 REMARK 290 SMTRY2 7 0.000000 1.000000 0.000000 57.61000 REMARK 290 SMTRY3 7 0.000000 0.000000 -1.000000 29.77200 REMARK 290 SMTRY1 8 1.000000 0.000000 0.000000 30.73450 REMARK 290 SMTRY2 8 0.000000 -1.000000 0.000000 57.61000 REMARK 290 SMTRY3 8 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: 10420 ANGSTROM**2 REMARK 350 CHANGE IN SOLVENT FREE ENERGY: -16.0 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 375 REMARK 375 SPECIAL POSITION REMARK 375 THE FOLLOWING ATOMS ARE FOUND TO BE WITHIN 0.15 ANGSTROMS REMARK 375 OF A SYMMETRY RELATED ATOM AND ARE ASSUMED TO BE ON SPECIAL REMARK 375 POSITIONS. REMARK 375 REMARK 375 ATOM RES CSSEQI REMARK 375 HOH A 635 LIES ON A SPECIAL POSITION. REMARK 375 HOH A 652 LIES ON A SPECIAL POSITION. 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 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 LYS A 329 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 OE1 GLN A 143 O HOH A 501 1.97 REMARK 500 O HOH A 651 O HOH A 660 2.06 REMARK 500 O HOH A 566 O HOH A 655 2.08 REMARK 500 O HOH B 517 O HOH B 521 2.13 REMARK 500 O HOH A 636 O HOH A 638 2.18 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 659 O HOH A 661 8535 1.90 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 DIO A 401 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC2 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: binding site for residue PGE A 402 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC3 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: binding site for residue PEG A 403 REMARK 900 REMARK 900 RELATED ENTRIES REMARK 900 RELATED ID: 5EV1 RELATED DB: PDB REMARK 900 RELATED ID: 5EV3 RELATED DB: PDB REMARK 900 RELATED ID: 5EV4 RELATED DB: PDB DBREF 5EV2 A 141 341 UNP P26368 U2AF2_HUMAN 141 341 DBREF 5EV2 B 2 9 PDB 5EV2 5EV2 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 DU U DU BRU DU HET BRU B 8 20 HET DIO A 401 6 HET PGE A 402 10 HET PEG A 403 7 HETNAM BRU 5-BROMO-2'-DEOXYURIDINE-5'-MONOPHOSPHATE HETNAM DIO 1,4-DIETHYLENE DIOXIDE HETNAM PGE TRIETHYLENE GLYCOL HETNAM PEG DI(HYDROXYETHYL)ETHER FORMUL 2 BRU C9 H12 BR N2 O8 P FORMUL 3 DIO C4 H8 O2 FORMUL 4 PGE C6 H14 O4 FORMUL 5 PEG C4 H10 O3 FORMUL 6 HOH *203(H2 O) HELIX 1 AA1 GLN A 143 ALA A 148 1 6 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 THR A 280 1 10 HELIX 6 AA6 SER A 281 GLY A 283 5 3 HELIX 7 AA7 ASP A 309 ASN A 311 5 3 HELIX 8 AA8 VAL A 312 ASN A 321 1 10 HELIX 9 AA9 SER A 336 GLY A 338 5 3 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 ASP A 293 0 SHEET 2 AA3 4 LEU A 298 TYR A 307 -1 O LEU A 298 N ASP A 293 SHEET 3 AA3 4 LEU A 261 GLY A 264 -1 N ILE A 263 O ALA A 303 SHEET 4 AA3 4 LEU A 331 ARG A 334 -1 O LEU A 331 N GLY A 264 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' DU B 7 P BRU B 8 1555 1555 1.62 LINK O3' BRU B 8 P DU B 9 1555 1555 1.60 SITE 1 AC1 4 ASP A 206 GLN A 210 PRO A 236 SER A 239 SITE 1 AC2 5 GLN A 172 VAL A 246 PRO A 247 HOH A 620 SITE 2 AC2 5 HOH A 670 SITE 1 AC3 1 LYS A 286 CRYST1 61.469 115.220 59.544 90.00 90.00 90.00 C 2 2 21 8 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 0.016268 0.000000 0.000000 0.00000 SCALE2 0.000000 0.008679 0.000000 0.00000 SCALE3 0.000000 0.000000 0.016794 0.00000