HEADER RNA BINDING PROTEIN/RNA/DNA 05-SEP-21 7S3A TITLE CRYSTAL STRUCTURE OF INTACT U2AF65 RRM-REGION BOUND TO ADML-C5 TITLE 2 OLIGONUCLEOTIDE COMPND MOL_ID: 1; COMPND 2 MOLECULE: SPLICING FACTOR U2AF 65 KDA SUBUNIT; COMPND 3 CHAIN: A; COMPND 4 SYNONYM: U2 AUXILIARY FACTOR 65 KDA SUBUNIT,HU2AF65,U2 SNRNP COMPND 5 AUXILIARY FACTOR LARGE SUBUNIT; COMPND 6 ENGINEERED: YES; COMPND 7 MOL_ID: 2; COMPND 8 MOLECULE: DNA/RNA (5'-R(P*UP*UP*(UD)P*CP*U)-D(P*(BRU))-R(P*CP*C)-3'); COMPND 9 CHAIN: B; COMPND 10 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 BL21; SOURCE 7 EXPRESSION_SYSTEM_TAXID: 511693; SOURCE 8 EXPRESSION_SYSTEM_VECTOR_TYPE: PLASMID; SOURCE 9 MOL_ID: 2; SOURCE 10 SYNTHETIC: YES; SOURCE 11 ORGANISM_SCIENTIFIC: SYNTHETIC CONSTRUCT; SOURCE 12 ORGANISM_TAXID: 32630 KEYWDS PROTEIN-RNA COMPLEX, RNA SPLICING FACTOR, RNA RECOGNITION MOTIF, KEYWDS 2 POLYPYRIMIDINE TRACT, RNA BINDING PROTEIN-RNA-DNA COMPLEX EXPDTA X-RAY DIFFRACTION AUTHOR J.L.JENKINS,S.HENDERSON,C.L.KIELKOPF REVDAT 4 18-OCT-23 7S3A 1 REMARK REVDAT 3 29-JUN-22 7S3A 1 SEQRES ATOM REVDAT 2 01-JUN-22 7S3A 1 JRNL REVDAT 1 25-MAY-22 7S3A 0 JRNL AUTH E.GLASSER,D.MAJI,G.BIANCON,A.M.K.PUTHENPEEDIKAKKAL, JRNL AUTH 2 C.E.CAVENDER,T.TEBALDI,J.L.JENKINS,D.H.MATHEWS,S.HALENE, JRNL AUTH 3 C.L.KIELKOPF JRNL TITL PRE-MRNA SPLICING FACTOR U2AF2 RECOGNIZES DISTINCT JRNL TITL 2 CONFORMATIONS OF NUCLEOTIDE VARIANTS AT THE CENTER OF THE JRNL TITL 3 PRE-MRNA SPLICE SITE SIGNAL. JRNL REF NUCLEIC ACIDS RES. V. 50 5299 2022 JRNL REFN ESSN 1362-4962 JRNL PMID 35524551 JRNL DOI 10.1093/NAR/GKAC287 REMARK 2 REMARK 2 RESOLUTION. 1.48 ANGSTROMS. REMARK 3 REMARK 3 REFINEMENT. REMARK 3 PROGRAM : PHENIX 1.17.1_3660 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) : 1.48 REMARK 3 RESOLUTION RANGE LOW (ANGSTROMS) : 37.76 REMARK 3 MIN(FOBS/SIGMA_FOBS) : 1.360 REMARK 3 COMPLETENESS FOR RANGE (%) : 98.7 REMARK 3 NUMBER OF REFLECTIONS : 35914 REMARK 3 REMARK 3 FIT TO DATA USED IN REFINEMENT. REMARK 3 R VALUE (WORKING + TEST SET) : 0.132 REMARK 3 R VALUE (WORKING SET) : 0.131 REMARK 3 FREE R VALUE : 0.157 REMARK 3 FREE R VALUE TEST SET SIZE (%) : 6.640 REMARK 3 FREE R VALUE TEST SET COUNT : 2383 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 37.7600 - 3.7900 1.00 2159 155 0.1664 0.1734 REMARK 3 2 3.7900 - 3.0100 1.00 2045 146 0.1400 0.1402 REMARK 3 3 3.0100 - 2.6300 1.00 2022 143 0.1417 0.1827 REMARK 3 4 2.6300 - 2.3900 1.00 2016 140 0.1306 0.1535 REMARK 3 5 2.3900 - 2.2200 1.00 1994 142 0.1207 0.1512 REMARK 3 6 2.2200 - 2.0900 1.00 1994 142 0.1153 0.1433 REMARK 3 7 2.0900 - 1.9800 1.00 1981 143 0.1169 0.1726 REMARK 3 8 1.9800 - 1.9000 1.00 1991 139 0.1158 0.1652 REMARK 3 9 1.9000 - 1.8200 1.00 1968 144 0.1059 0.1367 REMARK 3 10 1.8200 - 1.7600 1.00 1974 140 0.1000 0.1423 REMARK 3 11 1.7600 - 1.7100 1.00 1983 139 0.0954 0.1316 REMARK 3 12 1.7100 - 1.6600 1.00 1965 140 0.0971 0.1546 REMARK 3 13 1.6600 - 1.6100 1.00 1965 140 0.0940 0.1570 REMARK 3 14 1.6100 - 1.5700 1.00 1964 137 0.0983 0.1483 REMARK 3 15 1.5700 - 1.5400 1.00 1976 142 0.1012 0.1442 REMARK 3 16 1.5400 - 1.5100 1.00 1947 138 0.0969 0.1719 REMARK 3 17 1.5100 - 1.4800 0.80 1587 113 0.1088 0.1715 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) : 13.380 REMARK 3 REMARK 3 B VALUES. REMARK 3 FROM WILSON PLOT (A**2) : NULL REMARK 3 MEAN B VALUE (OVERALL, A**2) : 23.43 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 : NULL NULL REMARK 3 ANGLE : NULL NULL REMARK 3 CHIRALITY : NULL NULL REMARK 3 PLANARITY : NULL NULL REMARK 3 DIHEDRAL : NULL NULL 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 7S3A COMPLIES WITH FORMAT V. 3.30, 13-JUL-11 REMARK 100 REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY RCSB ON 08-SEP-21. REMARK 100 THE DEPOSITION ID IS D_1000254091. REMARK 200 REMARK 200 EXPERIMENTAL DETAILS REMARK 200 EXPERIMENT TYPE : X-RAY DIFFRACTION REMARK 200 DATE OF DATA COLLECTION : 28-JUN-15 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) : 1.033 REMARK 200 MONOCHROMATOR : LIQUID NITROGEN-COOLED DOUBLE REMARK 200 CRYSTAL SI(111) REMARK 200 OPTICS : RH COATED COLLIMATING MIRRORS, K REMARK 200 -B FOCUSING MIRRORS REMARK 200 REMARK 200 DETECTOR TYPE : PIXEL REMARK 200 DETECTOR MANUFACTURER : DECTRIS PILATUS3 6M REMARK 200 INTENSITY-INTEGRATION SOFTWARE : XDS REMARK 200 DATA SCALING SOFTWARE : AIMLESS 0.5.8 REMARK 200 REMARK 200 NUMBER OF UNIQUE REFLECTIONS : 35972 REMARK 200 RESOLUTION RANGE HIGH (A) : 1.480 REMARK 200 RESOLUTION RANGE LOW (A) : 38.750 REMARK 200 REJECTION CRITERIA (SIGMA(I)) : NULL REMARK 200 REMARK 200 OVERALL. REMARK 200 COMPLETENESS FOR RANGE (%) : 98.7 REMARK 200 DATA REDUNDANCY : 6.500 REMARK 200 R MERGE (I) : 0.04200 REMARK 200 R SYM (I) : NULL REMARK 200 FOR THE DATA SET : 22.0000 REMARK 200 REMARK 200 IN THE HIGHEST RESOLUTION SHELL. REMARK 200 HIGHEST RESOLUTION SHELL, RANGE HIGH (A) : 1.48 REMARK 200 HIGHEST RESOLUTION SHELL, RANGE LOW (A) : 1.50 REMARK 200 COMPLETENESS FOR SHELL (%) : 76.4 REMARK 200 DATA REDUNDANCY IN SHELL : 3.90 REMARK 200 R MERGE FOR SHELL (I) : 0.19600 REMARK 200 R SYM FOR SHELL (I) : NULL REMARK 200 FOR SHELL : 4.900 REMARK 200 REMARK 200 DIFFRACTION PROTOCOL: SINGLE WAVELENGTH REMARK 200 METHOD USED TO DETERMINE THE STRUCTURE: FOURIER SYNTHESIS REMARK 200 SOFTWARE USED: PHENIX REMARK 200 STARTING MODEL: 5EV4 REMARK 200 REMARK 200 REMARK: NULL REMARK 280 REMARK 280 CRYSTAL REMARK 280 SOLVENT CONTENT, VS (%): 43.21 REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 2.17 REMARK 280 REMARK 280 CRYSTALLIZATION CONDITIONS: 0.60 M SUCCINIC ACID, 0.10 M HEPES PH REMARK 280 7.0, 2% PEG MME 2000, VAPOR DIFFUSION, HANGING DROP, TEMPERATURE REMARK 280 277.15K 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 21.62250 REMARK 290 SMTRY2 2 0.000000 -1.000000 0.000000 0.00000 REMARK 290 SMTRY3 2 0.000000 0.000000 1.000000 38.74550 REMARK 290 SMTRY1 3 -1.000000 0.000000 0.000000 0.00000 REMARK 290 SMTRY2 3 0.000000 1.000000 0.000000 31.51100 REMARK 290 SMTRY3 3 0.000000 0.000000 -1.000000 38.74550 REMARK 290 SMTRY1 4 1.000000 0.000000 0.000000 21.62250 REMARK 290 SMTRY2 4 0.000000 -1.000000 0.000000 31.51100 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: 3210 ANGSTROM**2 REMARK 350 SURFACE AREA OF THE COMPLEX: 9850 ANGSTROM**2 REMARK 350 CHANGE IN SOLVENT FREE ENERGY: -50.0 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 138 REMARK 465 PRO A 139 REMARK 465 LEU A 140 REMARK 465 GLY A 141 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 143 CG CD OE1 NE2 REMARK 470 MET A 144 CG SD CE REMARK 470 PHE A 158 CG CD1 CD2 CE1 CE2 CZ REMARK 470 GLU A 163 CG CD OE1 OE2 REMARK 470 ASP A 194 CG OD1 OD2 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 GLU A 240 CG CD OE1 OE2 REMARK 470 VAL A 244 CG1 CG2 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 HD21 ASN A 311 O HOH A 501 1.44 REMARK 500 O HOH A 691 O HOH A 705 2.03 REMARK 500 ND2 ASN A 311 O HOH A 501 2.10 REMARK 500 O HOH A 633 O HOH A 701 2.10 REMARK 500 OD1 ASN A 268 O HOH A 502 2.12 REMARK 500 O HOH A 592 O HOH A 610 2.13 REMARK 500 REMARK 500 REMARK: NULL REMARK 500 REMARK 500 GEOMETRY AND STEREOCHEMISTRY REMARK 500 SUBTOPIC: COVALENT BOND LENGTHS 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,2(A3,1X,A1,I4,A1,1X,A4,3X),1X,F6.3) 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 RES CSSEQI ATM2 DEVIATION REMARK 500 U B 2 P U B 2 OP3 -0.095 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 DU B 4 O4' - C1' - N1 ANGL. DEV. = 2.2 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 ASN A 196 39.02 77.03 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 726 DISTANCE = 6.10 ANGSTROMS 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 NA A 402 NA REMARK 620 N RES CSSEQI ATOM REMARK 620 1 ASN A 155 OD1 REMARK 620 2 ASN A 196 OD1 112.8 REMARK 620 3 HOH A 617 O 102.4 90.2 REMARK 620 4 U B 6 O4 72.0 75.9 160.9 REMARK 620 N 1 2 3 REMARK 620 REMARK 620 COORDINATION ANGLES FOR: M RES CSSEQI METAL REMARK 620 NA A 401 NA REMARK 620 N RES CSSEQI ATOM REMARK 620 1 LYS A 195 O REMARK 620 2 SER A 294 O 172.6 REMARK 620 3 HOH A 537 O 93.3 84.8 REMARK 620 4 HOH A 608 O 110.4 62.6 91.3 REMARK 620 5 U B 6 O2 81.7 98.3 164.8 77.2 REMARK 620 6 HOH B 231 O 95.7 91.7 106.0 147.9 88.8 REMARK 620 N 1 2 3 4 5 DBREF 7S3A A 141 341 UNP P26368 U2AF2_HUMAN 141 341 DBREF 7S3A B 2 9 PDB 7S3A 7S3A 2 9 SEQADV 7S3A GLY A 138 UNP P26368 EXPRESSION TAG SEQADV 7S3A PRO A 139 UNP P26368 EXPRESSION TAG SEQADV 7S3A LEU A 140 UNP P26368 EXPRESSION TAG SEQRES 1 A 204 GLY PRO LEU GLY SER GLN MET THR ARG GLN ALA ARG ARG SEQRES 2 A 204 LEU TYR VAL GLY ASN ILE PRO PHE GLY ILE THR GLU GLU SEQRES 3 A 204 ALA MET MET ASP PHE PHE ASN ALA GLN MET ARG LEU GLY SEQRES 4 A 204 GLY LEU THR GLN ALA PRO GLY ASN PRO VAL LEU ALA VAL SEQRES 5 A 204 GLN ILE ASN GLN ASP LYS ASN PHE ALA PHE LEU GLU PHE SEQRES 6 A 204 ARG SER VAL ASP GLU THR THR GLN ALA MET ALA PHE ASP SEQRES 7 A 204 GLY ILE ILE PHE GLN GLY GLN SER LEU LYS ILE ARG ARG SEQRES 8 A 204 PRO HIS ASP TYR GLN PRO LEU PRO GLY MET SER GLU ASN SEQRES 9 A 204 PRO SER VAL TYR VAL PRO GLY VAL VAL SER THR VAL VAL SEQRES 10 A 204 PRO ASP SER ALA HIS LYS LEU PHE ILE GLY GLY LEU PRO SEQRES 11 A 204 ASN TYR LEU ASN ASP ASP GLN VAL LYS GLU LEU LEU THR SEQRES 12 A 204 SER PHE GLY PRO LEU LYS ALA PHE ASN LEU VAL LYS ASP SEQRES 13 A 204 SER ALA THR GLY LEU SER LYS GLY TYR ALA PHE CYS GLU SEQRES 14 A 204 TYR VAL ASP ILE ASN VAL THR ASP GLN ALA ILE ALA GLY SEQRES 15 A 204 LEU ASN GLY MET GLN LEU GLY ASP LYS LYS LEU LEU VAL SEQRES 16 A 204 GLN ARG ALA SER VAL GLY ALA LYS ASN SEQRES 1 B 8 U U DU C U BRU C C HET BRU B 7 28 HET NA A 401 1 HET NA A 402 1 HET NA B 101 1 HETNAM BRU 5-BROMO-2'-DEOXYURIDINE-5'-MONOPHOSPHATE HETNAM NA SODIUM ION FORMUL 2 BRU C9 H12 BR N2 O8 P FORMUL 3 NA 3(NA 1+) FORMUL 6 HOH *260(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 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 1.59 LINK O3' BRU B 7 P C B 8 1555 1555 1.60 LINK OD1 ASN A 155 NA NA A 402 1555 1555 2.77 LINK O LYS A 195 NA NA A 401 1555 1555 2.88 LINK OD1 ASN A 196 NA NA A 402 1555 1555 2.84 LINK O SER A 294 NA NA A 401 1555 1555 2.34 LINK NA NA A 401 O HOH A 537 1555 1555 2.24 LINK NA NA A 401 O HOH A 608 1555 1555 2.98 LINK NA NA A 401 O2 U B 6 1555 1555 2.41 LINK NA NA A 401 O HOH B 231 1555 1555 2.25 LINK NA NA A 402 O HOH A 617 1555 1555 2.99 LINK NA NA A 402 O4 U B 6 1555 1555 3.00 LINK NA NA B 101 O HOH B 209 1555 1555 3.10 CRYST1 43.245 63.022 77.491 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 0.023124 0.000000 0.000000 0.00000 SCALE2 0.000000 0.015867 0.000000 0.00000 SCALE3 0.000000 0.000000 0.012905 0.00000