HEADER RNA BINDING PROTEIN/RNA/DNA 10-JUN-24 9C7B TITLE CRYSTAL STRUCTURE OF R150H NEURODEVELOPMENTAL DISEASE-ASSOCIATED U2AF2 TITLE 2 VARIANT 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,HU2AF(65),HU2AF65,U2 COMPND 5 SNRNP AUXILIARY FACTOR LARGE SUBUNIT; COMPND 6 ENGINEERED: YES; COMPND 7 MUTATION: 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))- COMPND 10 R(P*CP*C)-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 BL21; SOURCE 7 EXPRESSION_SYSTEM_TAXID: 511693; SOURCE 8 EXPRESSION_SYSTEM_VECTOR_TYPE: PLASMID; SOURCE 9 EXPRESSION_SYSTEM_PLASMID: PGEX-6P; SOURCE 10 MOL_ID: 2; SOURCE 11 SYNTHETIC: YES; SOURCE 12 ORGANISM_SCIENTIFIC: SYNTHETIC CONSTRUCT; SOURCE 13 ORGANISM_TAXID: 32630 KEYWDS PROTEIN-RNA COMPLEX, RNA SPLICING FACTOR, RNA RECOGNITION MOTIF, KEYWDS 2 POLYPYRIMIDINE TRACT, RNA BINDING PROTEIN-RNA COMPLEX, RNA BINDING KEYWDS 3 PROTEIN-SPLICING COMPLEX, RNA BINDING PROTEIN, RNA BINDING PROTEIN- KEYWDS 4 RNA-DNA COMPLEX EXPDTA X-RAY DIFFRACTION AUTHOR D.MAJI,J.L.JENKINS,C.L.KIELKOPF REVDAT 2 30-OCT-24 9C7B 1 JRNL REVDAT 1 02-OCT-24 9C7B 0 JRNL AUTH D.MAJI,J.L.JENKINS,P.L.BOUTZ,C.L.KIELKOPF JRNL TITL RECURRENT NEURODEVELOPMENTALLY ASSOCIATED VARIANTS OF THE JRNL TITL 2 PRE-MRNA SPLICING FACTOR U2AF2 ALTER RNA BINDING AFFINITIES JRNL TITL 3 AND INTERACTIONS. JRNL REF BIOCHEMISTRY 2024 JRNL REFN ISSN 0006-2960 JRNL PMID 39388459 JRNL DOI 10.1021/ACS.BIOCHEM.4C00344 REMARK 2 REMARK 2 RESOLUTION. 1.40 ANGSTROMS. REMARK 3 REMARK 3 REFINEMENT. REMARK 3 PROGRAM : PHENIX 1.20.1_4487 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) : 1.40 REMARK 3 RESOLUTION RANGE LOW (ANGSTROMS) : 37.98 REMARK 3 MIN(FOBS/SIGMA_FOBS) : 1.960 REMARK 3 COMPLETENESS FOR RANGE (%) : 97.5 REMARK 3 NUMBER OF REFLECTIONS : 69899 REMARK 3 REMARK 3 FIT TO DATA USED IN REFINEMENT. REMARK 3 R VALUE (WORKING + TEST SET) : 0.137 REMARK 3 R VALUE (WORKING SET) : 0.134 REMARK 3 FREE R VALUE : 0.167 REMARK 3 FREE R VALUE TEST SET SIZE (%) : 6.630 REMARK 3 FREE R VALUE TEST SET COUNT : 4636 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 37.9800 - 4.3400 1.00 2208 160 0.1751 0.1787 REMARK 3 2 4.3400 - 3.4500 0.99 2224 163 0.1292 0.1423 REMARK 3 3 3.4500 - 3.0100 1.00 2224 170 0.1381 0.1592 REMARK 3 4 3.0100 - 2.7400 1.00 2213 141 0.1416 0.1500 REMARK 3 5 2.7400 - 2.5400 1.00 2212 170 0.1359 0.1600 REMARK 3 6 2.5400 - 2.3900 0.99 2222 172 0.1310 0.1596 REMARK 3 7 2.3900 - 2.2700 1.00 2202 153 0.1154 0.1754 REMARK 3 8 2.2700 - 2.1700 0.99 2240 161 0.1184 0.1468 REMARK 3 9 2.1700 - 2.0900 0.99 2207 138 0.1143 0.1852 REMARK 3 10 2.0900 - 2.0200 1.00 2254 134 0.1212 0.1634 REMARK 3 11 2.0200 - 1.9500 0.99 2240 137 0.1187 0.1525 REMARK 3 12 1.9500 - 1.9000 0.99 2169 164 0.1222 0.1990 REMARK 3 13 1.9000 - 1.8500 0.99 2203 197 0.1251 0.1870 REMARK 3 14 1.8500 - 1.8000 0.99 2208 133 0.1196 0.1307 REMARK 3 15 1.8000 - 1.7600 0.99 2211 145 0.1221 0.1552 REMARK 3 16 1.7600 - 1.7200 0.98 2209 172 0.1173 0.1742 REMARK 3 17 1.7200 - 1.6900 1.00 2165 165 0.1138 0.1651 REMARK 3 18 1.6900 - 1.6600 0.98 2224 154 0.1147 0.1719 REMARK 3 19 1.6600 - 1.6300 0.99 2218 162 0.1177 0.1863 REMARK 3 20 1.6300 - 1.6000 0.97 2173 155 0.1241 0.1494 REMARK 3 21 1.6000 - 1.5700 0.99 2185 170 0.1301 0.1785 REMARK 3 22 1.5700 - 1.5500 0.98 2167 155 0.1237 0.1433 REMARK 3 23 1.5500 - 1.5300 0.99 2255 142 0.1301 0.2047 REMARK 3 24 1.5300 - 1.5100 0.99 2143 154 0.1388 0.1869 REMARK 3 25 1.5100 - 1.4900 0.97 2228 163 0.1394 0.1992 REMARK 3 26 1.4900 - 1.4700 0.98 2148 159 0.1539 0.2177 REMARK 3 27 1.4700 - 1.4500 0.97 2175 132 0.1581 0.2056 REMARK 3 28 1.4500 - 1.4300 0.93 2082 144 0.1823 0.2390 REMARK 3 29 1.4300 - 1.4100 0.88 1959 143 0.1966 0.2275 REMARK 3 30 1.4100 - 1.4000 0.76 1695 128 0.2299 0.2688 REMARK 3 REMARK 3 BULK SOLVENT MODELLING. REMARK 3 METHOD USED : FLAT BULK SOLVENT MODEL REMARK 3 SOLVENT RADIUS : 1.10 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) : 0.130 REMARK 3 PHASE ERROR (DEGREES, MAXIMUM-LIKELIHOOD BASED) : 15.620 REMARK 3 REMARK 3 B VALUES. REMARK 3 FROM WILSON PLOT (A**2) : NULL REMARK 3 MEAN B VALUE (OVERALL, A**2) : 23.18 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 9C7B COMPLIES WITH FORMAT V. 3.30, 13-JUL-11 REMARK 100 REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY RCSB ON 11-JUN-24. REMARK 100 THE DEPOSITION ID IS D_1000284959. REMARK 200 REMARK 200 EXPERIMENTAL DETAILS REMARK 200 EXPERIMENT TYPE : X-RAY DIFFRACTION REMARK 200 DATE OF DATA COLLECTION : 12-APR-20 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) : 0.9795 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 JAN 31, 2020 REMARK 200 DATA SCALING SOFTWARE : AIMLESS 0.7.4 REMARK 200 REMARK 200 NUMBER OF UNIQUE REFLECTIONS : 69899 REMARK 200 RESOLUTION RANGE HIGH (A) : 1.400 REMARK 200 RESOLUTION RANGE LOW (A) : 38.340 REMARK 200 REJECTION CRITERIA (SIGMA(I)) : NULL REMARK 200 REMARK 200 OVERALL. REMARK 200 COMPLETENESS FOR RANGE (%) : 98.3 REMARK 200 DATA REDUNDANCY : 6.500 REMARK 200 R MERGE (I) : 0.07700 REMARK 200 R SYM (I) : NULL REMARK 200 FOR THE DATA SET : 11.1000 REMARK 200 REMARK 200 IN THE HIGHEST RESOLUTION SHELL. REMARK 200 HIGHEST RESOLUTION SHELL, RANGE HIGH (A) : 1.40 REMARK 200 HIGHEST RESOLUTION SHELL, RANGE LOW (A) : 1.42 REMARK 200 COMPLETENESS FOR SHELL (%) : 82.6 REMARK 200 DATA REDUNDANCY IN SHELL : 4.80 REMARK 200 R MERGE FOR SHELL (I) : 0.43400 REMARK 200 R SYM FOR SHELL (I) : NULL REMARK 200 FOR SHELL : 2.100 REMARK 200 REMARK 200 DIFFRACTION PROTOCOL: SINGLE WAVELENGTH REMARK 200 METHOD USED TO DETERMINE THE STRUCTURE: FOURIER SYNTHESIS REMARK 200 SOFTWARE USED: PHENIX 1.20.1 REMARK 200 STARTING MODEL: 6XLW REMARK 200 REMARK 200 REMARK: NULL REMARK 280 REMARK 280 CRYSTAL REMARK 280 SOLVENT CONTENT, VS (%): 35.11 REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 1.90 REMARK 280 REMARK 280 CRYSTALLIZATION CONDITIONS: 24 M SODIUM MALONATE PH 7.0, 5% W/V REMARK 280 SUCROSE, 25% W/V PEG 3350, WITH ADDITION OF 0.1 UL OF 5% W/V REMARK 280 LDAO DETERGENT, 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 21.86100 REMARK 290 SMTRY2 2 0.000000 -1.000000 0.000000 0.00000 REMARK 290 SMTRY3 2 0.000000 0.000000 1.000000 38.33750 REMARK 290 SMTRY1 3 -1.000000 0.000000 0.000000 0.00000 REMARK 290 SMTRY2 3 0.000000 1.000000 0.000000 27.89650 REMARK 290 SMTRY3 3 0.000000 0.000000 -1.000000 38.33750 REMARK 290 SMTRY1 4 1.000000 0.000000 0.000000 21.86100 REMARK 290 SMTRY2 4 0.000000 -1.000000 0.000000 27.89650 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: 2660 ANGSTROM**2 REMARK 350 SURFACE AREA OF THE COMPLEX: 10400 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 138 REMARK 465 PRO A 139 REMARK 465 LEU A 140 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 ARG A 146 CG CD NE CZ NH1 NH2 REMARK 470 GLU A 163 CG CD OE1 OE2 REMARK 470 LYS A 195 CG CD CE NZ REMARK 470 LYS A 329 CG CD CE NZ REMARK 470 LYS A 340 CG CD CE NZ 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 -0.128 REMARK 500 DU B 4 C5' DU B 4 C4' -0.084 REMARK 500 DU B 4 C4' DU B 4 C3' 0.065 REMARK 500 DU B 4 C3' DU B 4 C2' -0.272 REMARK 500 DU B 4 C2' DU B 4 C1' 0.087 REMARK 500 DU B 4 O4' DU B 4 C1' -0.083 REMARK 500 DU B 4 O3' DU B 4 C3' 0.079 REMARK 500 DU B 4 N1 DU B 4 C6 0.057 REMARK 500 DU B 4 C2 DU B 4 N3 0.066 REMARK 500 DU B 4 C5 DU B 4 C6 0.109 REMARK 500 REMARK 500 REMARK: NULL DBREF 9C7B A 141 341 UNP P26368 U2AF2_HUMAN 141 341 DBREF 9C7B B 2 9 PDB 9C7B 9C7B 2 9 SEQADV 9C7B GLY A 138 UNP P26368 EXPRESSION TAG SEQADV 9C7B PRO A 139 UNP P26368 EXPRESSION TAG SEQADV 9C7B LEU A 140 UNP P26368 EXPRESSION TAG SEQADV 9C7B HIS A 150 UNP P26368 ARG 150 ENGINEERED MUTATION SEQRES 1 A 204 GLY PRO LEU GLY SER GLN MET THR ARG GLN ALA ARG HIS 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 U U BRU C C 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 *237(H2 O) HELIX 1 AA1 SER A 142 GLN A 147 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 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 HIS 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 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' U B 6 P BRU B 7 1555 1555 1.60 LINK O3' BRU B 7 P C B 8 1555 1555 1.61 CRYST1 43.722 55.793 76.675 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 0.022872 0.000000 0.000000 0.00000 SCALE2 0.000000 0.017923 0.000000 0.00000 SCALE3 0.000000 0.000000 0.013042 0.00000