HEADER RNA BINDING PROTEIN 02-DEC-11 3UWT TITLE CRYSTAL STRUCTURE OF A RNA BINDING DOMAIN OF POLY-U BINDING SPLICING TITLE 2 FACTOR 60KDA (PUF60) FROM HOMO SAPIENS AT 2.50 A RESOLUTION COMPND MOL_ID: 1; COMPND 2 MOLECULE: POLY(U)-BINDING-SPLICING FACTOR PUF60; COMPND 3 CHAIN: A; COMPND 4 FRAGMENT: RNA BINDING DOMAIN; COMPND 5 SYNONYM: 60 KDA POLY(U)-BINDING-SPLICING FACTOR, FUSE-BINDING COMPND 6 PROTEIN-INTERACTING REPRESSOR, FBP-INTERACTING REPRESSOR, RO-BINDING COMPND 7 PROTEIN 1, ROBP1, SIAH-BINDING PROTEIN 1, SIAH-BP1; COMPND 8 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: BC008875, FIR, PUF60, ROBPI, SIAHBP1; SOURCE 6 EXPRESSION_SYSTEM: ESCHERICHIA COLI; SOURCE 7 EXPRESSION_SYSTEM_TAXID: 562; SOURCE 8 EXPRESSION_SYSTEM_STRAIN: HK100; SOURCE 9 EXPRESSION_SYSTEM_VECTOR_TYPE: PLASMID; SOURCE 10 EXPRESSION_SYSTEM_PLASMID: SPEEDET KEYWDS RNA RECOGNITION MOTIVE, RRM, RNA BINDING DOMAIN, SPLICING, STRUCTURAL KEYWDS 2 GENOMICS, JOINT CENTER FOR STRUCTURAL GENOMICS, JCSG, PROTEIN KEYWDS 3 STRUCTURE INITIATIVE, PSI-BIOLOGY, RNA BINDING PROTEIN, PARTNERSHIP KEYWDS 4 FOR T-CELL BIOLOGY, TCELL EXPDTA X-RAY DIFFRACTION AUTHOR JOINT CENTER FOR STRUCTURAL GENOMICS (JCSG),PARTNERSHIP FOR T-CELL AUTHOR 2 BIOLOGY (TCELL) REVDAT 4 01-FEB-23 3UWT 1 REMARK SEQADV LINK REVDAT 3 08-NOV-17 3UWT 1 REMARK REVDAT 2 21-OCT-15 3UWT 1 AUTHOR REVDAT 1 11-JAN-12 3UWT 0 JRNL AUTH JOINT CENTER FOR STRUCTURAL GENOMICS (JCSG), JRNL AUTH 2 PARTNERSHIP FOR T-CELL BIOLOGY (TCELL) JRNL TITL CRYSTAL STRUCTURE OF A RNA BINDING DOMAIN OF POLY-U BINDING JRNL TITL 2 SPLICING FACTOR 60KDA (PUF60) FROM HOMO SAPIENS AT 2.50 A JRNL TITL 3 RESOLUTION JRNL REF TO BE PUBLISHED JRNL REFN REMARK 2 REMARK 2 RESOLUTION. 2.50 ANGSTROMS. REMARK 3 REMARK 3 REFINEMENT. REMARK 3 PROGRAM : BUSTER-TNT 2.10.0 REMARK 3 AUTHORS : BRICOGNE,BLANC,BRANDL,FLENSBURG,KELLER, REMARK 3 : PACIOREK,ROVERSI,SMART,VONRHEIN,WOMACK, REMARK 3 : MATTHEWS,TEN EYCK,TRONRUD REMARK 3 REMARK 3 DATA USED IN REFINEMENT. REMARK 3 RESOLUTION RANGE HIGH (ANGSTROMS) : 2.50 REMARK 3 RESOLUTION RANGE LOW (ANGSTROMS) : 29.80 REMARK 3 DATA CUTOFF (SIGMA(F)) : 0.000 REMARK 3 COMPLETENESS FOR RANGE (%) : 99.2 REMARK 3 NUMBER OF REFLECTIONS : 6896 REMARK 3 REMARK 3 FIT TO DATA USED IN REFINEMENT. REMARK 3 CROSS-VALIDATION METHOD : THROUGHOUT REMARK 3 FREE R VALUE TEST SET SELECTION : RANDOM REMARK 3 R VALUE (WORKING + TEST SET) : 0.204 REMARK 3 R VALUE (WORKING SET) : 0.203 REMARK 3 FREE R VALUE : 0.240 REMARK 3 FREE R VALUE TEST SET SIZE (%) : 4.740 REMARK 3 FREE R VALUE TEST SET COUNT : 327 REMARK 3 ESTIMATED ERROR OF FREE R VALUE : NULL REMARK 3 REMARK 3 FIT IN THE HIGHEST RESOLUTION BIN. REMARK 3 TOTAL NUMBER OF BINS USED : 5 REMARK 3 BIN RESOLUTION RANGE HIGH (ANGSTROMS) : 2.50 REMARK 3 BIN RESOLUTION RANGE LOW (ANGSTROMS) : 2.79 REMARK 3 BIN COMPLETENESS (WORKING+TEST) (%) : 99.18 REMARK 3 REFLECTIONS IN BIN (WORKING + TEST SET) : 1938 REMARK 3 BIN R VALUE (WORKING + TEST SET) : 0.2341 REMARK 3 REFLECTIONS IN BIN (WORKING SET) : 1835 REMARK 3 BIN R VALUE (WORKING SET) : 0.2308 REMARK 3 BIN FREE R VALUE : 0.2922 REMARK 3 BIN FREE R VALUE TEST SET SIZE (%) : 5.31 REMARK 3 BIN FREE R VALUE TEST SET COUNT : 103 REMARK 3 ESTIMATED ERROR OF BIN FREE R VALUE : NULL REMARK 3 REMARK 3 NUMBER OF NON-HYDROGEN ATOMS USED IN REFINEMENT. REMARK 3 PROTEIN ATOMS : 1496 REMARK 3 NUCLEIC ACID ATOMS : 0 REMARK 3 HETEROGEN ATOMS : 1 REMARK 3 SOLVENT ATOMS : 27 REMARK 3 REMARK 3 B VALUES. REMARK 3 FROM WILSON PLOT (A**2) : 68.06 REMARK 3 MEAN B VALUE (OVERALL, A**2) : 71.99 REMARK 3 OVERALL ANISOTROPIC B VALUE. REMARK 3 B11 (A**2) : -4.17850 REMARK 3 B22 (A**2) : -4.17850 REMARK 3 B33 (A**2) : 8.35690 REMARK 3 B12 (A**2) : 0.00000 REMARK 3 B13 (A**2) : 0.00000 REMARK 3 B23 (A**2) : 0.00000 REMARK 3 REMARK 3 ESTIMATED COORDINATE ERROR. REMARK 3 ESD FROM LUZZATI PLOT (A) : 0.427 REMARK 3 DPI (BLOW EQ-10) BASED ON R VALUE (A) : NULL REMARK 3 DPI (BLOW EQ-9) BASED ON FREE R VALUE (A) : NULL REMARK 3 DPI (CRUICKSHANK) BASED ON R VALUE (A) : NULL REMARK 3 DPI (CRUICKSHANK) BASED ON FREE R VALUE (A) : NULL REMARK 3 REMARK 3 REFERENCES: BLOW, D. (2002) ACTA CRYST D58, 792-797 REMARK 3 CRUICKSHANK, D.W.J. (1999) ACTA CRYST D55, 583-601 REMARK 3 REMARK 3 CORRELATION COEFFICIENTS. REMARK 3 CORRELATION COEFFICIENT FO-FC : 0.945 REMARK 3 CORRELATION COEFFICIENT FO-FC FREE : 0.914 REMARK 3 REMARK 3 NUMBER OF GEOMETRIC FUNCTION TERMS DEFINED : 15 REMARK 3 TERM COUNT WEIGHT FUNCTION. REMARK 3 BOND LENGTHS : 1544 ; 2.000 ; HARMONIC REMARK 3 BOND ANGLES : 2091 ; 2.000 ; HARMONIC REMARK 3 TORSION ANGLES : 720 ; 6.000 ; SINUSOIDAL REMARK 3 TRIGONAL CARBON PLANES : 37 ; 2.000 ; HARMONIC REMARK 3 GENERAL PLANES : 232 ; 5.000 ; HARMONIC REMARK 3 ISOTROPIC THERMAL FACTORS : 1544 ; 20.000 ; HARMONIC REMARK 3 BAD NON-BONDED CONTACTS : NULL ; NULL ; NULL REMARK 3 IMPROPER TORSIONS : NULL ; NULL ; NULL REMARK 3 PSEUDOROTATION ANGLES : NULL ; NULL ; NULL REMARK 3 CHIRAL IMPROPER TORSION : 203 ; 5.000 ; SEMIHARMONIC REMARK 3 SUM OF OCCUPANCIES : NULL ; NULL ; NULL REMARK 3 UTILITY DISTANCES : NULL ; NULL ; NULL REMARK 3 UTILITY ANGLES : NULL ; NULL ; NULL REMARK 3 UTILITY TORSION : NULL ; NULL ; NULL REMARK 3 IDEAL-DIST CONTACT TERM : 1771 ; 4.000 ; SEMIHARMONIC REMARK 3 REMARK 3 RMS DEVIATIONS FROM IDEAL VALUES. REMARK 3 BOND LENGTHS (A) : 0.010 REMARK 3 BOND ANGLES (DEGREES) : 1.14 REMARK 3 PEPTIDE OMEGA TORSION ANGLES (DEGREES) : 2.89 REMARK 3 OTHER TORSION ANGLES (DEGREES) : 2.38 REMARK 3 REMARK 3 TLS DETAILS REMARK 3 NUMBER OF TLS GROUPS : 1 REMARK 3 REMARK 3 TLS GROUP : 1 REMARK 3 SELECTION: { A|0 - 313 } REMARK 3 ORIGIN FOR THE GROUP (A): 10.5861 36.9312 9.2179 REMARK 3 T TENSOR REMARK 3 T11: -0.2767 T22: -0.0076 REMARK 3 T33: -0.1930 T12: 0.0924 REMARK 3 T13: 0.0136 T23: -0.0808 REMARK 3 L TENSOR REMARK 3 L11: 2.8485 L22: 4.5125 REMARK 3 L33: 3.2206 L12: -0.3060 REMARK 3 L13: -0.8064 L23: -0.2793 REMARK 3 S TENSOR REMARK 3 S11: 0.0157 S12: 0.3410 S13: 0.2655 REMARK 3 S21: -0.1349 S22: -0.0479 S23: -0.0563 REMARK 3 S31: -0.1806 S32: -0.1963 S33: 0.0322 REMARK 3 REMARK 3 OTHER REFINEMENT REMARKS: 1. A MET-INHIBITION PROTOCOL WAS USED REMARK 3 FOR SELENOMETHIONINE INCORPORATION DURING PROTEIN EXPRESSION. REMARK 3 THE OCCUPANCY OF THE SE ATOMS IN THE MSE RESIDUES WAS REDUCED TO REMARK 3 0.75 FOR THE REDUCED SCATTERING POWER DUE TO PARTIAL S-MET REMARK 3 INCORPORATION. 2. ATOM RECORD CONTAINS SUM OF TLS AND RESIDUAL B REMARK 3 FACTORS. ANISOU RECORD CONTAINS SUM OF TLS AND RESIDUAL U REMARK 3 FACTORS. 3. CHLORIDE (CL) FROM THE CRYSTALLIZATION SOLUTION HAS REMARK 3 BEEN MODELED IN THE SOLVENT STRUCTURE. 4. THE REFINEMENT WAS REMARK 3 RESTRAINED WITH THE MAD PHASES. 5. RAMACHANDRAN OUTLIERS AT REMARK 3 RESIDUES 150 AND 290 ARE SUPPORTED BY ELECTRON DENSITY. REMARK 4 REMARK 4 3UWT COMPLIES WITH FORMAT V. 3.30, 13-JUL-11 REMARK 100 REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY RCSB ON 16-DEC-11. REMARK 100 THE DEPOSITION ID IS D_1000069307. REMARK 200 REMARK 200 EXPERIMENTAL DETAILS REMARK 200 EXPERIMENT TYPE : X-RAY DIFFRACTION REMARK 200 DATE OF DATA COLLECTION : 16-OCT-11 REMARK 200 TEMPERATURE (KELVIN) : 100 REMARK 200 PH : 9.5 REMARK 200 NUMBER OF CRYSTALS USED : 1 REMARK 200 REMARK 200 SYNCHROTRON (Y/N) : Y REMARK 200 RADIATION SOURCE : ALS REMARK 200 BEAMLINE : 8.2.2 REMARK 200 X-RAY GENERATOR MODEL : NULL REMARK 200 MONOCHROMATIC OR LAUE (M/L) : M REMARK 200 WAVELENGTH OR RANGE (A) : 0.9537,0.9796,0.9793 REMARK 200 MONOCHROMATOR : DOUBLE CRYSTAL SI(111) REMARK 200 OPTICS : KOHZU: DOUBLE CRYSTAL SI(111) REMARK 200 REMARK 200 DETECTOR TYPE : CCD REMARK 200 DETECTOR MANUFACTURER : ADSC QUANTUM 315 REMARK 200 INTENSITY-INTEGRATION SOFTWARE : MOSFLM REMARK 200 DATA SCALING SOFTWARE : SCALA 3.3.20 REMARK 200 REMARK 200 NUMBER OF UNIQUE REFLECTIONS : 6937 REMARK 200 RESOLUTION RANGE HIGH (A) : 2.500 REMARK 200 RESOLUTION RANGE LOW (A) : 29.798 REMARK 200 REJECTION CRITERIA (SIGMA(I)) : NULL REMARK 200 REMARK 200 OVERALL. REMARK 200 COMPLETENESS FOR RANGE (%) : 99.8 REMARK 200 DATA REDUNDANCY : 6.500 REMARK 200 R MERGE (I) : NULL REMARK 200 R SYM (I) : 0.09400 REMARK 200 FOR THE DATA SET : 11.4000 REMARK 200 REMARK 200 IN THE HIGHEST RESOLUTION SHELL. REMARK 200 HIGHEST RESOLUTION SHELL, RANGE HIGH (A) : 2.50 REMARK 200 HIGHEST RESOLUTION SHELL, RANGE LOW (A) : 2.57 REMARK 200 COMPLETENESS FOR SHELL (%) : 99.9 REMARK 200 DATA REDUNDANCY IN SHELL : 6.90 REMARK 200 R MERGE FOR SHELL (I) : 0.01400 REMARK 200 R SYM FOR SHELL (I) : 1.37700 REMARK 200 FOR SHELL : 1.600 REMARK 200 REMARK 200 DIFFRACTION PROTOCOL: MAD REMARK 200 METHOD USED TO DETERMINE THE STRUCTURE: MAD REMARK 200 SOFTWARE USED: SHELX, SHARP, SHELXD REMARK 200 STARTING MODEL: NULL REMARK 200 REMARK 200 REMARK: NULL REMARK 280 REMARK 280 CRYSTAL REMARK 280 SOLVENT CONTENT, VS (%): 42.62 REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 2.14 REMARK 280 REMARK 280 CRYSTALLIZATION CONDITIONS: 0.2M SODIUM CHLORIDE, 1.26M AMMONIUM REMARK 280 SULFATE, 0.1M CHES PH 9.5, NANODROP, VAPOR DIFFUSION, SITTING REMARK 280 DROP, TEMPERATURE 293K REMARK 290 REMARK 290 CRYSTALLOGRAPHIC SYMMETRY REMARK 290 SYMMETRY OPERATORS FOR SPACE GROUP: P 31 2 1 REMARK 290 REMARK 290 SYMOP SYMMETRY REMARK 290 NNNMMM OPERATOR REMARK 290 1555 X,Y,Z REMARK 290 2555 -Y,X-Y,Z+1/3 REMARK 290 3555 -X+Y,-X,Z+2/3 REMARK 290 4555 Y,X,-Z REMARK 290 5555 X-Y,-Y,-Z+2/3 REMARK 290 6555 -X,-X+Y,-Z+1/3 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 -0.500000 -0.866025 0.000000 0.00000 REMARK 290 SMTRY2 2 0.866025 -0.500000 0.000000 0.00000 REMARK 290 SMTRY3 2 0.000000 0.000000 1.000000 26.77900 REMARK 290 SMTRY1 3 -0.500000 0.866025 0.000000 0.00000 REMARK 290 SMTRY2 3 -0.866025 -0.500000 0.000000 0.00000 REMARK 290 SMTRY3 3 0.000000 0.000000 1.000000 53.55800 REMARK 290 SMTRY1 4 -0.500000 0.866025 0.000000 0.00000 REMARK 290 SMTRY2 4 0.866025 0.500000 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 0.00000 REMARK 290 SMTRY2 5 0.000000 -1.000000 0.000000 0.00000 REMARK 290 SMTRY3 5 0.000000 0.000000 -1.000000 53.55800 REMARK 290 SMTRY1 6 -0.500000 -0.866025 0.000000 0.00000 REMARK 290 SMTRY2 6 -0.866025 0.500000 0.000000 0.00000 REMARK 290 SMTRY3 6 0.000000 0.000000 -1.000000 26.77900 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: MONOMERIC REMARK 350 SOFTWARE DETERMINED QUATERNARY STRUCTURE: MONOMERIC REMARK 350 SOFTWARE USED: PISA REMARK 350 APPLY THE FOLLOWING TO CHAINS: A 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 THR A 314 REMARK 465 PRO A 315 REMARK 465 GLY A 316 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 TYR A 138 CG CD1 CD2 CE1 CE2 CZ OH REMARK 470 GLU A 139 CG CD OE1 OE2 REMARK 470 ASP A 163 CG OD1 OD2 REMARK 470 LYS A 168 CG CD CE NZ REMARK 470 LYS A 265 CG CD CE NZ REMARK 470 LYS A 301 CG CD CE NZ 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 MSE A 167 148.52 68.07 REMARK 500 LYS A 168 151.32 74.86 REMARK 500 LYS A 170 35.91 -96.62 REMARK 500 MSE A 190 -29.25 84.65 REMARK 500 SER A 192 -0.19 67.98 REMARK 500 ALA A 211 -20.52 -152.60 REMARK 500 ASN A 226 56.60 -114.84 REMARK 500 MSE A 307 85.28 64.37 REMARK 500 LEU A 310 -50.91 -131.98 REMARK 500 THR A 311 74.30 37.78 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 CL A 400 REMARK 900 REMARK 900 RELATED ENTRIES REMARK 900 RELATED ID: 422547 RELATED DB: TARGETDB REMARK 999 REMARK 999 SEQUENCE REMARK 999 THIS CONSTRUCT (RESIDUES 118-316) WAS EXPRESSED WITH A PURIFICATION REMARK 999 TAG MGSDKIHHHHHHENLYFQG. THE TAG WAS REMOVED WITH TEV PROTEASE REMARK 999 LEAVING ONLY A GLYCINE (0) FOLLOWED BY THE TARGET SEQUENCE. RESIDUE REMARK 999 NUMBERING IS BASED ON ISOFORM 1 OF UNIPROTKB Q9UHX1. DBREF 3UWT A 118 316 UNP Q9UHX1 PUF60_HUMAN 118 316 SEQADV 3UWT GLY A 0 UNP Q9UHX1 EXPRESSION TAG SEQRES 1 A 200 GLY ALA ALA GLN ARG GLN ARG ALA LEU ALA ILE MSE CYS SEQRES 2 A 200 ARG VAL TYR VAL GLY SER ILE TYR TYR GLU LEU GLY GLU SEQRES 3 A 200 ASP THR ILE ARG GLN ALA PHE ALA PRO PHE GLY PRO ILE SEQRES 4 A 200 LYS SER ILE ASP MSE SER TRP ASP SER VAL THR MSE LYS SEQRES 5 A 200 HIS LYS GLY PHE ALA PHE VAL GLU TYR GLU VAL PRO GLU SEQRES 6 A 200 ALA ALA GLN LEU ALA LEU GLU GLN MSE ASN SER VAL MSE SEQRES 7 A 200 LEU GLY GLY ARG ASN ILE LYS VAL GLY ARG PRO SER ASN SEQRES 8 A 200 ILE GLY GLN ALA GLN PRO ILE ILE ASP GLN LEU ALA GLU SEQRES 9 A 200 GLU ALA ARG ALA PHE ASN ARG ILE TYR VAL ALA SER VAL SEQRES 10 A 200 HIS GLN ASP LEU SER ASP ASP ASP ILE LYS SER VAL PHE SEQRES 11 A 200 GLU ALA PHE GLY LYS ILE LYS SER CYS THR LEU ALA ARG SEQRES 12 A 200 ASP PRO THR THR GLY LYS HIS LYS GLY TYR GLY PHE ILE SEQRES 13 A 200 GLU TYR GLU LYS ALA GLN SER SER GLN ASP ALA VAL SER SEQRES 14 A 200 SER MSE ASN LEU PHE ASP LEU GLY GLY GLN TYR LEU ARG SEQRES 15 A 200 VAL GLY LYS ALA VAL THR PRO PRO MSE PRO LEU LEU THR SEQRES 16 A 200 PRO ALA THR PRO GLY MODRES 3UWT MSE A 128 MET SELENOMETHIONINE MODRES 3UWT MSE A 160 MET SELENOMETHIONINE MODRES 3UWT MSE A 167 MET SELENOMETHIONINE MODRES 3UWT MSE A 190 MET SELENOMETHIONINE MODRES 3UWT MSE A 194 MET SELENOMETHIONINE MODRES 3UWT MSE A 287 MET SELENOMETHIONINE MODRES 3UWT MSE A 307 MET SELENOMETHIONINE HET MSE A 128 8 HET MSE A 160 8 HET MSE A 167 8 HET MSE A 190 8 HET MSE A 194 8 HET MSE A 287 8 HET MSE A 307 8 HET CL A 400 1 HETNAM MSE SELENOMETHIONINE HETNAM CL CHLORIDE ION FORMUL 1 MSE 7(C5 H11 N O2 SE) FORMUL 2 CL CL 1- FORMUL 3 HOH *27(H2 O) HELIX 1 1 GLY A 0 CYS A 129 1 13 HELIX 2 2 GLY A 141 ALA A 150 1 10 HELIX 3 3 PRO A 151 GLY A 153 5 3 HELIX 4 4 VAL A 179 GLN A 189 1 11 HELIX 5 5 PRO A 205 GLY A 209 5 5 HELIX 6 6 ALA A 211 ARG A 223 1 13 HELIX 7 7 SER A 238 GLU A 247 1 10 HELIX 8 8 LYS A 276 ASN A 288 1 13 SHEET 1 A 4 ILE A 155 MSE A 160 0 SHEET 2 A 4 ALA A 173 TYR A 177 -1 O GLU A 176 N SER A 157 SHEET 3 A 4 ARG A 130 GLY A 134 -1 N VAL A 133 O ALA A 173 SHEET 4 A 4 LYS A 201 GLY A 203 -1 O LYS A 201 N GLY A 134 SHEET 1 B 4 ILE A 252 ARG A 259 0 SHEET 2 B 4 HIS A 266 TYR A 274 -1 O LYS A 267 N ALA A 258 SHEET 3 B 4 ARG A 227 ALA A 231 -1 N ILE A 228 O ILE A 272 SHEET 4 B 4 ARG A 298 LYS A 301 -1 O GLY A 300 N TYR A 229 SHEET 1 C 2 ASP A 291 LEU A 292 0 SHEET 2 C 2 GLN A 295 TYR A 296 -1 O GLN A 295 N LEU A 292 LINK C ILE A 127 N MSE A 128 1555 1555 1.35 LINK C MSE A 128 N CYS A 129 1555 1555 1.34 LINK C ASP A 159 N MSE A 160 1555 1555 1.33 LINK C MSE A 160 N SER A 161 1555 1555 1.34 LINK C THR A 166 N MSE A 167 1555 1555 1.35 LINK C MSE A 167 N LYS A 168 1555 1555 1.34 LINK C GLN A 189 N MSE A 190 1555 1555 1.34 LINK C MSE A 190 N ASN A 191 1555 1555 1.33 LINK C VAL A 193 N MSE A 194 1555 1555 1.34 LINK C MSE A 194 N LEU A 195 1555 1555 1.33 LINK C SER A 286 N MSE A 287 1555 1555 1.35 LINK C MSE A 287 N ASN A 288 1555 1555 1.35 LINK C PRO A 306 N MSE A 307 1555 1555 1.35 LINK C MSE A 307 N PRO A 308 1555 1555 1.35 SITE 1 AC1 1 GLY A 293 CRYST1 64.173 64.173 80.337 90.00 90.00 120.00 P 31 2 1 6 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 0.015583 0.008997 0.000000 0.00000 SCALE2 0.000000 0.017994 0.000000 0.00000 SCALE3 0.000000 0.000000 0.012448 0.00000