HEADER OXIDOREDUCTASE 13-JUN-14 4TR3 TITLE MOUSE IODOTHYRONINE DEIODINASE 3 CATALYTIC CORE, SEMET-LABELED ACTIVE TITLE 2 SITE MUTANT SECYS->CYS COMPND MOL_ID: 1; COMPND 2 MOLECULE: TYPE III IODOTHYRONINE DEIODINASE; COMPND 3 CHAIN: A; COMPND 4 SYNONYM: 5DIII,DIOIII,TYPE 3 DI,TYPE-III 5'-DEIODINASE; COMPND 5 EC: 1.97.1.11; COMPND 6 ENGINEERED: YES; COMPND 7 MUTATION: YES; COMPND 8 OTHER_DETAILS: SIX N-TERMINAL RESIDUES ARE CLONING ARTIFACT; THREE C- COMPND 9 TERMINAL RESIDUES NOT VISIBLE IN ELECTRON DENSITY SOURCE MOL_ID: 1; SOURCE 2 ORGANISM_SCIENTIFIC: MUS MUSCULUS; SOURCE 3 ORGANISM_COMMON: HOUSE MOUSE; SOURCE 4 ORGANISM_TAXID: 10090; SOURCE 5 GENE: DIO3; SOURCE 6 EXPRESSION_SYSTEM: ESCHERICHIA COLI; SOURCE 7 EXPRESSION_SYSTEM_TAXID: 562; SOURCE 8 EXPRESSION_SYSTEM_VECTOR_TYPE: PLASMID; SOURCE 9 EXPRESSION_SYSTEM_PLASMID: PET151 TOPO KEYWDS DEIODINASE, THYRONINE HORMONES, THIOREDOXIN FOLD, OXIDOREDUCTASE EXPDTA X-RAY DIFFRACTION AUTHOR C.STEEGBORN,U.SCHWEIZER,C.SCHLICKER REVDAT 3 04-FEB-15 4TR3 1 REMARK REVDAT 2 27-AUG-14 4TR3 1 JRNL REVDAT 1 23-JUL-14 4TR3 0 JRNL AUTH U.SCHWEIZER,C.SCHLICKER,D.BRAUN,J.KOHRLE,C.STEEGBORN JRNL TITL CRYSTAL STRUCTURE OF MAMMALIAN SELENOCYSTEINE-DEPENDENT JRNL TITL 2 IODOTHYRONINE DEIODINASE SUGGESTS A PEROXIREDOXIN-LIKE JRNL TITL 3 CATALYTIC MECHANISM. JRNL REF PROC.NATL.ACAD.SCI.USA V. 111 10526 2014 JRNL REFN ISSN 0027-8424 JRNL PMID 25002520 JRNL DOI 10.1073/PNAS.1323873111 REMARK 2 REMARK 2 RESOLUTION. 1.90 ANGSTROMS. REMARK 3 REMARK 3 REFINEMENT. REMARK 3 PROGRAM : REFMAC 5.5.0042 REMARK 3 AUTHORS : MURSHUDOV,VAGIN,DODSON REMARK 3 REMARK 3 REFINEMENT TARGET : MAXIMUM LIKELIHOOD REMARK 3 REMARK 3 DATA USED IN REFINEMENT. REMARK 3 RESOLUTION RANGE HIGH (ANGSTROMS) : 1.90 REMARK 3 RESOLUTION RANGE LOW (ANGSTROMS) : 42.07 REMARK 3 DATA CUTOFF (SIGMA(F)) : 0.000 REMARK 3 COMPLETENESS FOR RANGE (%) : 96.0 REMARK 3 NUMBER OF REFLECTIONS : 14015 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) : 0.189 REMARK 3 R VALUE (WORKING SET) : 0.187 REMARK 3 FREE R VALUE : 0.227 REMARK 3 FREE R VALUE TEST SET SIZE (%) : 5.000 REMARK 3 FREE R VALUE TEST SET COUNT : 706 REMARK 3 REMARK 3 FIT IN THE HIGHEST RESOLUTION BIN. REMARK 3 TOTAL NUMBER OF BINS USED : 20 REMARK 3 BIN RESOLUTION RANGE HIGH (A) : 1.90 REMARK 3 BIN RESOLUTION RANGE LOW (A) : 1.95 REMARK 3 REFLECTION IN BIN (WORKING SET) : 727 REMARK 3 BIN COMPLETENESS (WORKING+TEST) (%) : 72.72 REMARK 3 BIN R VALUE (WORKING SET) : 0.1860 REMARK 3 BIN FREE R VALUE SET COUNT : 46 REMARK 3 BIN FREE R VALUE : 0.2680 REMARK 3 REMARK 3 NUMBER OF NON-HYDROGEN ATOMS USED IN REFINEMENT. REMARK 3 PROTEIN ATOMS : 1462 REMARK 3 NUCLEIC ACID ATOMS : 0 REMARK 3 HETEROGEN ATOMS : 0 REMARK 3 SOLVENT ATOMS : 93 REMARK 3 REMARK 3 B VALUES. REMARK 3 FROM WILSON PLOT (A**2) : NULL REMARK 3 MEAN B VALUE (OVERALL, A**2) : 18.00 REMARK 3 OVERALL ANISOTROPIC B VALUE. REMARK 3 B11 (A**2) : 1.27000 REMARK 3 B22 (A**2) : -0.54000 REMARK 3 B33 (A**2) : -0.73000 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 OVERALL COORDINATE ERROR. REMARK 3 ESU BASED ON R VALUE (A): 0.171 REMARK 3 ESU BASED ON FREE R VALUE (A): 0.152 REMARK 3 ESU BASED ON MAXIMUM LIKELIHOOD (A): 0.090 REMARK 3 ESU FOR B VALUES BASED ON MAXIMUM LIKELIHOOD (A**2): 3.035 REMARK 3 REMARK 3 CORRELATION COEFFICIENTS. REMARK 3 CORRELATION COEFFICIENT FO-FC : 0.930 REMARK 3 CORRELATION COEFFICIENT FO-FC FREE : 0.900 REMARK 3 REMARK 3 RMS DEVIATIONS FROM IDEAL VALUES COUNT RMS WEIGHT REMARK 3 BOND LENGTHS REFINED ATOMS (A): 1500 ; 0.015 ; 0.022 REMARK 3 BOND LENGTHS OTHERS (A): NULL ; NULL ; NULL REMARK 3 BOND ANGLES REFINED ATOMS (DEGREES): 2038 ; 1.395 ; 1.953 REMARK 3 BOND ANGLES OTHERS (DEGREES): NULL ; NULL ; NULL REMARK 3 TORSION ANGLES, PERIOD 1 (DEGREES): 187 ; 5.862 ; 5.000 REMARK 3 TORSION ANGLES, PERIOD 2 (DEGREES): 74 ;34.065 ;22.973 REMARK 3 TORSION ANGLES, PERIOD 3 (DEGREES): 226 ;13.826 ;15.000 REMARK 3 TORSION ANGLES, PERIOD 4 (DEGREES): 14 ;16.055 ;15.000 REMARK 3 CHIRAL-CENTER RESTRAINTS (A**3): 212 ; 0.098 ; 0.200 REMARK 3 GENERAL PLANES REFINED ATOMS (A): 1194 ; 0.007 ; 0.021 REMARK 3 GENERAL PLANES OTHERS (A): NULL ; NULL ; NULL REMARK 3 NON-BONDED CONTACTS REFINED ATOMS (A): NULL ; NULL ; NULL REMARK 3 NON-BONDED CONTACTS OTHERS (A): NULL ; NULL ; NULL REMARK 3 NON-BONDED TORSION REFINED ATOMS (A): NULL ; NULL ; NULL REMARK 3 NON-BONDED TORSION OTHERS (A): NULL ; NULL ; NULL REMARK 3 H-BOND (X...Y) REFINED ATOMS (A): NULL ; NULL ; NULL REMARK 3 H-BOND (X...Y) OTHERS (A): NULL ; NULL ; NULL REMARK 3 POTENTIAL METAL-ION REFINED ATOMS (A): NULL ; NULL ; NULL REMARK 3 POTENTIAL METAL-ION OTHERS (A): NULL ; NULL ; NULL REMARK 3 SYMMETRY VDW REFINED ATOMS (A): NULL ; NULL ; NULL REMARK 3 SYMMETRY VDW OTHERS (A): NULL ; NULL ; NULL REMARK 3 SYMMETRY H-BOND REFINED ATOMS (A): NULL ; NULL ; NULL REMARK 3 SYMMETRY H-BOND OTHERS (A): NULL ; NULL ; NULL REMARK 3 SYMMETRY METAL-ION REFINED ATOMS (A): NULL ; NULL ; NULL REMARK 3 SYMMETRY METAL-ION OTHERS (A): NULL ; NULL ; NULL REMARK 3 REMARK 3 ISOTROPIC THERMAL FACTOR RESTRAINTS. COUNT RMS WEIGHT REMARK 3 MAIN-CHAIN BOND REFINED ATOMS (A**2): 935 ; 0.971 ; 1.500 REMARK 3 MAIN-CHAIN BOND OTHER ATOMS (A**2): NULL ; NULL ; NULL REMARK 3 MAIN-CHAIN ANGLE REFINED ATOMS (A**2): 1498 ; 1.797 ; 2.000 REMARK 3 MAIN-CHAIN ANGLE OTHER ATOMS (A**2): NULL ; NULL ; NULL REMARK 3 SIDE-CHAIN BOND REFINED ATOMS (A**2): 565 ; 2.721 ; 3.000 REMARK 3 SIDE-CHAIN BOND OTHER ATOMS (A**2): NULL ; NULL ; NULL REMARK 3 SIDE-CHAIN ANGLE REFINED ATOMS (A**2): 540 ; 4.236 ; 4.500 REMARK 3 SIDE-CHAIN ANGLE OTHER ATOMS (A**2): NULL ; NULL ; NULL REMARK 3 LONG RANGE B REFINED ATOMS (A**2): NULL ; NULL ; NULL REMARK 3 LONG RANGE B OTHER ATOMS (A**2): NULL ; NULL ; NULL REMARK 3 REMARK 3 ANISOTROPIC THERMAL FACTOR RESTRAINTS. COUNT RMS WEIGHT REMARK 3 RIGID-BOND RESTRAINTS (A**2): NULL ; NULL ; NULL REMARK 3 SPHERICITY; FREE ATOMS (A**2): NULL ; NULL ; NULL REMARK 3 SPHERICITY; BONDED ATOMS (A**2): NULL ; NULL ; NULL REMARK 3 REMARK 3 NCS RESTRAINTS STATISTICS REMARK 3 NUMBER OF DIFFERENT NCS GROUPS : NULL REMARK 3 REMARK 3 TLS DETAILS REMARK 3 NUMBER OF TLS GROUPS : NULL REMARK 3 REMARK 3 BULK SOLVENT MODELLING. REMARK 3 METHOD USED : BABINET MODEL WITH MASK REMARK 3 PARAMETERS FOR MASK CALCULATION REMARK 3 VDW PROBE RADIUS : 1.20 REMARK 3 ION PROBE RADIUS : 0.80 REMARK 3 SHRINKAGE RADIUS : 0.80 REMARK 3 REMARK 3 OTHER REFINEMENT REMARKS: HYDROGENS HAVE BEEN ADDED IN THE RIDING REMARK 3 POSITIONS U VALUES : REFINED INDIVIDUALLY REMARK 4 REMARK 4 4TR3 COMPLIES WITH FORMAT V. 3.30, 13-JUL-11 REMARK 100 REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY RCSB ON 17-JUN-14. REMARK 100 THE DEPOSITION ID IS D_1000202119. REMARK 200 REMARK 200 EXPERIMENTAL DETAILS REMARK 200 EXPERIMENT TYPE : X-RAY DIFFRACTION REMARK 200 DATE OF DATA COLLECTION : 13-NOV-08 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 : ESRF REMARK 200 BEAMLINE : ID14-4 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 : CCD REMARK 200 DETECTOR MANUFACTURER : ADSC QUANTUM 4 REMARK 200 INTENSITY-INTEGRATION SOFTWARE : XDS REMARK 200 DATA SCALING SOFTWARE : NULL REMARK 200 REMARK 200 NUMBER OF UNIQUE REFLECTIONS : 14015 REMARK 200 RESOLUTION RANGE HIGH (A) : 1.900 REMARK 200 RESOLUTION RANGE LOW (A) : 20.000 REMARK 200 REJECTION CRITERIA (SIGMA(I)) : NULL REMARK 200 REMARK 200 OVERALL. REMARK 200 COMPLETENESS FOR RANGE (%) : 96.0 REMARK 200 DATA REDUNDANCY : 3.700 REMARK 200 R MERGE (I) : 0.07500 REMARK 200 R SYM (I) : NULL REMARK 200 FOR THE DATA SET : 13.9000 REMARK 200 REMARK 200 IN THE HIGHEST RESOLUTION SHELL. REMARK 200 HIGHEST RESOLUTION SHELL, RANGE HIGH (A) : NULL REMARK 200 HIGHEST RESOLUTION SHELL, RANGE LOW (A) : NULL REMARK 200 COMPLETENESS FOR SHELL (%) : NULL REMARK 200 DATA REDUNDANCY IN SHELL : NULL REMARK 200 R MERGE FOR SHELL (I) : NULL REMARK 200 R SYM FOR SHELL (I) : NULL REMARK 200 FOR SHELL : NULL REMARK 200 REMARK 200 DIFFRACTION PROTOCOL: SINGLE WAVELENGTH REMARK 200 METHOD USED TO DETERMINE THE STRUCTURE: SAD REMARK 200 SOFTWARE USED: SHELX REMARK 200 STARTING MODEL: NULL REMARK 200 REMARK 200 REMARK: NULL REMARK 280 REMARK 280 CRYSTAL REMARK 280 SOLVENT CONTENT, VS (%): 40.90 REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 2.08 REMARK 280 REMARK 280 CRYSTALLIZATION CONDITIONS: 20 % PEG 3350, 0.2 M AMMONIUMCITRATE, REMARK 280 PH 7.0, VAPOR DIFFUSION, TEMPERATURE 293K 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 24.46000 REMARK 290 SMTRY2 2 0.000000 -1.000000 0.000000 0.00000 REMARK 290 SMTRY3 2 0.000000 0.000000 1.000000 33.30500 REMARK 290 SMTRY1 3 -1.000000 0.000000 0.000000 0.00000 REMARK 290 SMTRY2 3 0.000000 1.000000 0.000000 27.15000 REMARK 290 SMTRY3 3 0.000000 0.000000 -1.000000 33.30500 REMARK 290 SMTRY1 4 1.000000 0.000000 0.000000 24.46000 REMARK 290 SMTRY2 4 0.000000 -1.000000 0.000000 27.15000 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 SOFTWARE DETERMINED QUATERNARY STRUCTURE: MONOMERIC REMARK 350 SOFTWARE USED: PISA REMARK 350 TOTAL BURIED SURFACE AREA: 0 ANGSTROM**2 REMARK 350 SURFACE AREA OF THE COMPLEX: 10230 ANGSTROM**2 REMARK 350 CHANGE IN SOLVENT FREE ENERGY: 0.0 KCAL/MOL 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 HIS A 302 REMARK 465 ARG A 303 REMARK 465 PHE A 304 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 PHE A 126 CG CD1 CD2 CE1 CE2 CZ REMARK 470 LYS A 127 CG CD CE NZ REMARK 470 VAL A 208 CG1 CG2 REMARK 470 THR A 209 OG1 CG2 REMARK 470 THR A 210 OG1 CG2 REMARK 470 ASP A 278 OD1 OD2 REMARK 470 GLU A 284 CD OE1 OE2 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 ALA A 236 60.87 34.92 REMARK 500 PHE A 258 -83.02 74.13 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 482 DISTANCE = 6.85 ANGSTROMS DBREF 4TR3 A 120 304 UNP Q91ZI8 IOD3_MOUSE 120 304 SEQADV 4TR3 GLY A 114 UNP Q91ZI8 EXPRESSION TAG SEQADV 4TR3 ILE A 115 UNP Q91ZI8 EXPRESSION TAG SEQADV 4TR3 ASP A 116 UNP Q91ZI8 EXPRESSION TAG SEQADV 4TR3 PRO A 117 UNP Q91ZI8 EXPRESSION TAG SEQADV 4TR3 PHE A 118 UNP Q91ZI8 EXPRESSION TAG SEQADV 4TR3 THR A 119 UNP Q91ZI8 EXPRESSION TAG SEQADV 4TR3 CYS A 170 UNP Q91ZI8 SEC 170 ENGINEERED MUTATION SEQRES 1 A 191 GLY ILE ASP PRO PHE THR GLY GLN LYS LEU ASP PHE PHE SEQRES 2 A 191 LYS GLN ALA HIS GLU GLY GLY PRO ALA PRO ASN SER GLU SEQRES 3 A 191 VAL VAL ARG PRO ASP GLY PHE GLN SER GLN ARG ILE LEU SEQRES 4 A 191 ASP TYR ALA GLN GLY THR ARG PRO LEU VAL LEU ASN PHE SEQRES 5 A 191 GLY SER CYS THR CYS PRO PRO PHE MSE ALA ARG MSE SER SEQRES 6 A 191 ALA PHE GLN ARG LEU VAL THR LYS TYR GLN ARG ASP VAL SEQRES 7 A 191 ASP PHE LEU ILE ILE TYR ILE GLU GLU ALA HIS PRO SER SEQRES 8 A 191 ASP GLY TRP VAL THR THR ASP SER PRO TYR VAL ILE PRO SEQRES 9 A 191 GLN HIS ARG SER LEU GLU ASP ARG VAL SER ALA ALA ARG SEQRES 10 A 191 VAL LEU GLN GLN GLY ALA PRO GLY CYS ALA LEU VAL LEU SEQRES 11 A 191 ASP THR MSE ALA ASN SER SER SER SER ALA TYR GLY ALA SEQRES 12 A 191 TYR PHE GLU ARG LEU TYR VAL ILE GLN SER GLY THR ILE SEQRES 13 A 191 MSE TYR GLN GLY GLY ARG GLY PRO ASP GLY TYR GLN VAL SEQRES 14 A 191 SER GLU LEU ARG THR TRP LEU GLU ARG TYR ASP GLU GLN SEQRES 15 A 191 LEU HIS GLY THR ARG PRO HIS ARG PHE MODRES 4TR3 MSE A 174 MET MODIFIED RESIDUE MODRES 4TR3 MSE A 177 MET MODIFIED RESIDUE MODRES 4TR3 MSE A 246 MET MODIFIED RESIDUE MODRES 4TR3 MSE A 270 MET MODIFIED RESIDUE HET MSE A 174 8 HET MSE A 177 8 HET MSE A 246 8 HET MSE A 270 8 HETNAM MSE SELENOMETHIONINE FORMUL 1 MSE 4(C5 H11 N O2 SE) FORMUL 2 HOH *93(H2 O) HELIX 1 AA1 LEU A 152 ALA A 155 5 4 HELIX 2 AA2 CYS A 170 ARG A 176 1 7 HELIX 3 AA3 ARG A 176 GLN A 188 1 13 HELIX 4 AA4 SER A 221 GLY A 235 1 15 HELIX 5 AA5 ASN A 248 TYR A 254 1 7 HELIX 6 AA6 GLY A 279 GLY A 298 1 20 SHEET 1 AA1 7 SER A 148 ARG A 150 0 SHEET 2 AA1 7 GLU A 139 VAL A 141 -1 N VAL A 140 O GLN A 149 SHEET 3 AA1 7 LEU A 241 ASP A 244 -1 O LEU A 243 N VAL A 141 SHEET 4 AA1 7 ASP A 192 TYR A 197 1 N TYR A 197 O VAL A 242 SHEET 5 AA1 7 LEU A 161 GLY A 166 1 N VAL A 162 O ASP A 192 SHEET 6 AA1 7 ARG A 260 GLN A 265 -1 O ILE A 264 N LEU A 161 SHEET 7 AA1 7 THR A 268 GLN A 272 -1 O MSE A 270 N VAL A 263 LINK C PHE A 173 N MSE A 174 1555 1555 1.34 LINK C MSE A 174 N ALA A 175 1555 1555 1.33 LINK C ARG A 176 N MSE A 177 1555 1555 1.33 LINK C MSE A 177 N SER A 178 1555 1555 1.33 LINK C THR A 245 N MSE A 246 1555 1555 1.32 LINK C MSE A 246 N ALA A 247 1555 1555 1.33 LINK C ILE A 269 N MSE A 270 1555 1555 1.33 LINK C MSE A 270 N TYR A 271 1555 1555 1.33 CRYST1 48.920 54.300 66.610 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 0.020442 0.000000 0.000000 0.00000 SCALE2 0.000000 0.018416 0.000000 0.00000 SCALE3 0.000000 0.000000 0.015013 0.00000