HEADER TRANSFERASE 16-NOV-03 1RI2 TITLE STRUCTURE AND MECHANISM OF MRNA CAP (GUANINE N-7) METHYLTRANSFERASE COMPND MOL_ID: 1; COMPND 2 MOLECULE: MRNA CAPPING ENZYME; COMPND 3 CHAIN: A; COMPND 4 SYNONYM: MRNA CAP (GUANINE N-7) METHYLTRANSFERASE ECM1; COMPND 5 ENGINEERED: YES SOURCE MOL_ID: 1; SOURCE 2 ORGANISM_SCIENTIFIC: ENCEPHALITOZOON CUNICULI; SOURCE 3 ORGANISM_TAXID: 6035; SOURCE 4 GENE: ECU10_0380; SOURCE 5 EXPRESSION_SYSTEM: ESCHERICHIA COLI BL21(DE3); SOURCE 6 EXPRESSION_SYSTEM_TAXID: 469008; SOURCE 7 EXPRESSION_SYSTEM_STRAIN: BL21 DE3; SOURCE 8 EXPRESSION_SYSTEM_VECTOR_TYPE: PLASMID; SOURCE 9 EXPRESSION_SYSTEM_PLASMID: PSUMO-SMT3 KEYWDS METHYLTRANSFERASE, RNA, CAP, M7G, MESSENGER RNA CAP, TRANSFERASE EXPDTA X-RAY DIFFRACTION AUTHOR C.FABREGA,S.HAUSMANN,V.SHEN,S.SHUMAN,C.D.LIMA REVDAT 3 14-FEB-24 1RI2 1 REMARK REVDAT 2 24-FEB-09 1RI2 1 VERSN REVDAT 1 03-FEB-04 1RI2 0 JRNL AUTH C.FABREGA,S.HAUSMANN,V.SHEN,S.SHUMAN,C.D.LIMA JRNL TITL STRUCTURE AND MECHANISM OF MRNA CAP (GUANINE-N7) JRNL TITL 2 METHYLTRANSFERASE JRNL REF MOL.CELL V. 13 77 2004 JRNL REFN ISSN 1097-2765 JRNL PMID 14731396 JRNL DOI 10.1016/S1097-2765(03)00522-7 REMARK 2 REMARK 2 RESOLUTION. 2.70 ANGSTROMS. REMARK 3 REMARK 3 REFINEMENT. REMARK 3 PROGRAM : CNS 1.1 REMARK 3 AUTHORS : BRUNGER,ADAMS,CLORE,DELANO,GROS,GROSSE- REMARK 3 : KUNSTLEVE,JIANG,KUSZEWSKI,NILGES,PANNU, REMARK 3 : READ,RICE,SIMONSON,WARREN REMARK 3 REMARK 3 REFINEMENT TARGET : ENGH & HUBER REMARK 3 REMARK 3 DATA USED IN REFINEMENT. REMARK 3 RESOLUTION RANGE HIGH (ANGSTROMS) : 2.70 REMARK 3 RESOLUTION RANGE LOW (ANGSTROMS) : 19.50 REMARK 3 DATA CUTOFF (SIGMA(F)) : 0.000 REMARK 3 DATA CUTOFF HIGH (ABS(F)) : 1504918.560 REMARK 3 DATA CUTOFF LOW (ABS(F)) : 0.0000 REMARK 3 COMPLETENESS (WORKING+TEST) (%) : 91.0 REMARK 3 NUMBER OF REFLECTIONS : 6738 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 SET) : 0.224 REMARK 3 FREE R VALUE : 0.295 REMARK 3 FREE R VALUE TEST SET SIZE (%) : 5.200 REMARK 3 FREE R VALUE TEST SET COUNT : 351 REMARK 3 ESTIMATED ERROR OF FREE R VALUE : 0.016 REMARK 3 REMARK 3 FIT IN THE HIGHEST RESOLUTION BIN. REMARK 3 TOTAL NUMBER OF BINS USED : 6 REMARK 3 BIN RESOLUTION RANGE HIGH (A) : 2.70 REMARK 3 BIN RESOLUTION RANGE LOW (A) : 2.87 REMARK 3 BIN COMPLETENESS (WORKING+TEST) (%) : 80.30 REMARK 3 REFLECTIONS IN BIN (WORKING SET) : 927 REMARK 3 BIN R VALUE (WORKING SET) : 0.3440 REMARK 3 BIN FREE R VALUE : 0.4240 REMARK 3 BIN FREE R VALUE TEST SET SIZE (%) : 5.50 REMARK 3 BIN FREE R VALUE TEST SET COUNT : 54 REMARK 3 ESTIMATED ERROR OF BIN FREE R VALUE : 0.058 REMARK 3 REMARK 3 NUMBER OF NON-HYDROGEN ATOMS USED IN REFINEMENT. REMARK 3 PROTEIN ATOMS : 2061 REMARK 3 NUCLEIC ACID ATOMS : 0 REMARK 3 HETEROGEN ATOMS : 32 REMARK 3 SOLVENT ATOMS : 25 REMARK 3 REMARK 3 B VALUES. REMARK 3 FROM WILSON PLOT (A**2) : 83.40 REMARK 3 MEAN B VALUE (OVERALL, A**2) : 74.20 REMARK 3 OVERALL ANISOTROPIC B VALUE. REMARK 3 B11 (A**2) : 0.53000 REMARK 3 B22 (A**2) : 0.53000 REMARK 3 B33 (A**2) : -1.05000 REMARK 3 B12 (A**2) : 12.22000 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) : 0.36 REMARK 3 ESD FROM SIGMAA (A) : 0.44 REMARK 3 LOW RESOLUTION CUTOFF (A) : 6.00 REMARK 3 REMARK 3 CROSS-VALIDATED ESTIMATED COORDINATE ERROR. REMARK 3 ESD FROM C-V LUZZATI PLOT (A) : 0.51 REMARK 3 ESD FROM C-V SIGMAA (A) : 0.51 REMARK 3 REMARK 3 RMS DEVIATIONS FROM IDEAL VALUES. REMARK 3 BOND LENGTHS (A) : 0.009 REMARK 3 BOND ANGLES (DEGREES) : 1.200 REMARK 3 DIHEDRAL ANGLES (DEGREES) : 23.70 REMARK 3 IMPROPER ANGLES (DEGREES) : 0.660 REMARK 3 REMARK 3 ISOTROPIC THERMAL MODEL : RESTRAINED REMARK 3 REMARK 3 ISOTROPIC THERMAL FACTOR RESTRAINTS. RMS SIGMA REMARK 3 MAIN-CHAIN BOND (A**2) : 1.650 ; 1.500 REMARK 3 MAIN-CHAIN ANGLE (A**2) : 2.900 ; 2.000 REMARK 3 SIDE-CHAIN BOND (A**2) : 2.130 ; 2.000 REMARK 3 SIDE-CHAIN ANGLE (A**2) : 3.490 ; 2.500 REMARK 3 REMARK 3 BULK SOLVENT MODELING. REMARK 3 METHOD USED : FLAT MODEL REMARK 3 KSOL : 0.30 REMARK 3 BSOL : 39.46 REMARK 3 REMARK 3 NCS MODEL : NULL REMARK 3 REMARK 3 NCS RESTRAINTS. RMS SIGMA/WEIGHT REMARK 3 GROUP 1 POSITIONAL (A) : NULL ; NULL REMARK 3 GROUP 1 B-FACTOR (A**2) : NULL ; NULL REMARK 3 REMARK 3 PARAMETER FILE 1 : PROTEIN_REP.PARAM REMARK 3 PARAMETER FILE 2 : SEP.PARAM REMARK 3 PARAMETER FILE 3 : WATER_REP.PARAM REMARK 3 PARAMETER FILE 4 : ION.PARAM REMARK 3 PARAMETER FILE 5 : GTP2.PARAM REMARK 3 PARAMETER FILE 6 : NULL REMARK 3 TOPOLOGY FILE 1 : PROTEIN.TOP REMARK 3 TOPOLOGY FILE 2 : SEP.TOP REMARK 3 TOPOLOGY FILE 3 : WATER.TOP REMARK 3 TOPOLOGY FILE 4 : ION.TOP REMARK 3 TOPOLOGY FILE 5 : GTP2.TOP REMARK 3 TOPOLOGY FILE 6 : NULL REMARK 3 REMARK 3 OTHER REFINEMENT REMARKS: BULK SOLVENT MODEL USED REMARK 4 REMARK 4 1RI2 COMPLIES WITH FORMAT V. 3.30, 13-JUL-11 REMARK 100 REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY RCSB ON 24-NOV-03. REMARK 100 THE DEPOSITION ID IS D_1000020761. REMARK 200 REMARK 200 EXPERIMENTAL DETAILS REMARK 200 EXPERIMENT TYPE : X-RAY DIFFRACTION REMARK 200 DATE OF DATA COLLECTION : NULL REMARK 200 TEMPERATURE (KELVIN) : 100 REMARK 200 PH : 6.25 REMARK 200 NUMBER OF CRYSTALS USED : 1 REMARK 200 REMARK 200 SYNCHROTRON (Y/N) : Y REMARK 200 RADIATION SOURCE : APS REMARK 200 BEAMLINE : 31-ID REMARK 200 X-RAY GENERATOR MODEL : NULL REMARK 200 MONOCHROMATIC OR LAUE (M/L) : M REMARK 200 WAVELENGTH OR RANGE (A) : 0.9790 REMARK 200 MONOCHROMATOR : SI REMARK 200 OPTICS : NULL REMARK 200 REMARK 200 DETECTOR TYPE : CCD REMARK 200 DETECTOR MANUFACTURER : MARRESEARCH REMARK 200 INTENSITY-INTEGRATION SOFTWARE : DENZO REMARK 200 DATA SCALING SOFTWARE : SCALEPACK REMARK 200 REMARK 200 NUMBER OF UNIQUE REFLECTIONS : 6929 REMARK 200 RESOLUTION RANGE HIGH (A) : 2.700 REMARK 200 RESOLUTION RANGE LOW (A) : 20.000 REMARK 200 REJECTION CRITERIA (SIGMA(I)) : -1.000 REMARK 200 REMARK 200 OVERALL. REMARK 200 COMPLETENESS FOR RANGE (%) : 90.9 REMARK 200 DATA REDUNDANCY : NULL REMARK 200 R MERGE (I) : 0.07800 REMARK 200 R SYM (I) : NULL REMARK 200 FOR THE DATA SET : 9.0000 REMARK 200 REMARK 200 IN THE HIGHEST RESOLUTION SHELL. REMARK 200 HIGHEST RESOLUTION SHELL, RANGE HIGH (A) : 2.70 REMARK 200 HIGHEST RESOLUTION SHELL, RANGE LOW (A) : 2.80 REMARK 200 COMPLETENESS FOR SHELL (%) : 80.4 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+MIR REMARK 200 SOFTWARE USED: SHARP REMARK 200 STARTING MODEL: NULL REMARK 200 REMARK 200 REMARK: NULL REMARK 280 REMARK 280 CRYSTAL REMARK 280 SOLVENT CONTENT, VS (%): 32.74 REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 1.83 REMARK 280 REMARK 280 CRYSTALLIZATION CONDITIONS: 1.2M NA/K TARTRATE, 50MM BIS/TRIS, REMARK 280 20MM DTT, PH 6.25, VAPOR DIFFUSION, HANGING DROP, TEMPERATURE REMARK 280 291K 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 37.27267 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 74.54533 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 74.54533 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 37.27267 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 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 MET A 1 REMARK 465 ASP A 2 REMARK 465 SER A 3 REMARK 465 SER A 4 REMARK 465 SER A 5 REMARK 465 PRO A 6 REMARK 465 LEU A 7 REMARK 465 LYS A 8 REMARK 465 THR A 9 REMARK 465 PHE A 10 REMARK 465 ARG A 11 REMARK 465 LYS A 12 REMARK 465 ASP A 13 REMARK 465 GLN A 14 REMARK 465 ALA A 15 REMARK 465 MET A 16 REMARK 465 GLU A 17 REMARK 465 GLY A 18 REMARK 465 LYS A 19 REMARK 465 LYS A 20 REMARK 465 GLU A 21 REMARK 465 GLU A 22 REMARK 465 ILE A 23 REMARK 465 ARG A 24 REMARK 465 GLU A 25 REMARK 465 HIS A 26 REMARK 465 TYR A 27 REMARK 465 ASN A 28 REMARK 465 SER A 29 REMARK 465 ILE A 30 REMARK 465 ARG A 31 REMARK 465 GLU A 32 REMARK 465 ARG A 33 REMARK 465 GLY A 34 REMARK 465 ARG A 35 REMARK 465 GLU A 36 REMARK 465 SER A 37 REMARK 465 ARG A 38 REMARK 465 GLN A 39 REMARK 465 ARG A 40 REMARK 465 VAL A 293 REMARK 465 PRO A 294 REMARK 465 GLU A 295 REMARK 465 SER A 296 REMARK 465 ASP A 297 REMARK 465 ALA A 298 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 ND2 ASN A 109 ND2 ASN A 109 4557 1.94 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 ARG A 113 52.51 -115.48 REMARK 500 SER A 142 -30.32 -139.39 REMARK 500 GLN A 186 -89.49 -86.50 REMARK 500 ASN A 191 -148.93 -163.93 REMARK 500 PHE A 193 -72.08 -103.12 REMARK 500 LYS A 195 112.74 -176.11 REMARK 500 LYS A 200 -178.14 -52.63 REMARK 500 SER A 219 -123.45 -173.92 REMARK 500 ASN A 222 21.07 47.09 REMARK 500 ASN A 261 74.93 -116.67 REMARK 500 LEU A 270 -140.84 -124.85 REMARK 500 REMARK 500 REMARK: NULL REMARK 600 REMARK 600 HETEROGEN REMARK 600 7MG AND RIBOSE ARE DISORDERED LEAVING ONLY A GTP REMARK 600 MODELED IN THE STRUCTURE REMARK 610 REMARK 610 MISSING HETEROATOM REMARK 610 THE FOLLOWING RESIDUES HAVE MISSING ATOMS (M=MODEL NUMBER; REMARK 610 RES=RESIDUE NAME; C=CHAIN IDENTIFIER; SSEQ=SEQUENCE NUMBER; REMARK 610 I=INSERTION CODE): REMARK 610 M RES C SSEQI REMARK 610 GTG A 299 REMARK 800 REMARK 800 SITE REMARK 800 SITE_IDENTIFIER: AC1 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE GTG A 299 REMARK 900 REMARK 900 RELATED ENTRIES REMARK 900 RELATED ID: 1RI1 RELATED DB: PDB REMARK 900 RELATED ID: 1RI3 RELATED DB: PDB REMARK 900 RELATED ID: 1RI4 RELATED DB: PDB REMARK 900 RELATED ID: 1RI5 RELATED DB: PDB DBREF 1RI2 A 1 298 UNP Q8SR66 MCES_ENCCU 1 298 SEQRES 1 A 298 MET ASP SER SER SER PRO LEU LYS THR PHE ARG LYS ASP SEQRES 2 A 298 GLN ALA MET GLU GLY LYS LYS GLU GLU ILE ARG GLU HIS SEQRES 3 A 298 TYR ASN SER ILE ARG GLU ARG GLY ARG GLU SER ARG GLN SEQRES 4 A 298 ARG SER LYS THR ILE ASN ILE ARG ASN ALA ASN ASN PHE SEQRES 5 A 298 ILE LYS ALA CYS LEU ILE ARG LEU TYR THR LYS ARG GLY SEQRES 6 A 298 ASP SER VAL LEU ASP LEU GLY CYS GLY LYS GLY GLY ASP SEQRES 7 A 298 LEU LEU LYS TYR GLU ARG ALA GLY ILE GLY GLU TYR TYR SEQRES 8 A 298 GLY VAL ASP ILE ALA GLU VAL SER ILE ASN ASP ALA ARG SEQRES 9 A 298 VAL ARG ALA ARG ASN MET LYS ARG ARG PHE LYS VAL PHE SEQRES 10 A 298 PHE ARG ALA GLN ASP SER TYR GLY ARG HIS MET ASP LEU SEQRES 11 A 298 GLY LYS GLU PHE ASP VAL ILE SER SER GLN PHE SER PHE SEQRES 12 A 298 HIS TYR ALA PHE SER THR SER GLU SER LEU ASP ILE ALA SEQRES 13 A 298 GLN ARG ASN ILE ALA ARG HIS LEU ARG PRO GLY GLY TYR SEQRES 14 A 298 PHE ILE MET THR VAL PRO SER ARG ASP VAL ILE LEU GLU SEQRES 15 A 298 ARG TYR LYS GLN GLY ARG MET SER ASN ASP PHE TYR LYS SEQRES 16 A 298 ILE GLU LEU GLU LYS MET GLU ASP VAL PRO MET GLU SER SEQRES 17 A 298 VAL ARG GLU TYR ARG PHE THR LEU LEU ASP SER VAL ASN SEQRES 18 A 298 ASN CYS ILE GLU TYR PHE VAL ASP PHE THR ARG MET VAL SEQRES 19 A 298 ASP GLY PHE LYS ARG LEU GLY LEU SER LEU VAL GLU ARG SEQRES 20 A 298 LYS GLY PHE ILE ASP PHE TYR GLU ASP GLU GLY ARG ARG SEQRES 21 A 298 ASN PRO GLU LEU SER LYS LYS MET GLY LEU GLY CYS LEU SEQRES 22 A 298 THR ARG GLU GLU SER GLU VAL VAL GLY ILE TYR GLU VAL SEQRES 23 A 298 VAL VAL PHE ARG LYS LEU VAL PRO GLU SER ASP ALA HET GTG A 299 32 HETNAM GTG 7-METHYL-GUANOSINE-5'-TRIPHOSPHATE-5'-GUANOSINE HETSYN GTG MRNA CAP ANALOG N7-METHYL GPPPG FORMUL 2 GTG C21 H30 N10 O18 P3 1+ FORMUL 3 HOH *25(H2 O) HELIX 1 1 THR A 43 THR A 62 1 20 HELIX 2 2 ASP A 78 GLY A 86 1 9 HELIX 3 3 ALA A 96 ASN A 109 1 14 HELIX 4 4 SER A 142 SER A 148 5 7 HELIX 5 5 THR A 149 HIS A 163 1 15 HELIX 6 6 SER A 176 GLY A 187 1 12 HELIX 7 7 ASP A 229 LEU A 240 1 12 HELIX 8 8 PHE A 250 ASN A 261 1 12 HELIX 9 9 GLU A 263 MET A 268 1 6 HELIX 10 10 THR A 274 VAL A 281 1 8 SHEET 1 A 7 LYS A 115 ALA A 120 0 SHEET 2 A 7 GLU A 89 ASP A 94 1 N GLY A 92 O PHE A 117 SHEET 3 A 7 SER A 67 LEU A 71 1 N VAL A 68 O TYR A 91 SHEET 4 A 7 PHE A 134 GLN A 140 1 O SER A 138 N LEU A 69 SHEET 5 A 7 LEU A 164 PRO A 175 1 O ARG A 165 N PHE A 134 SHEET 6 A 7 TYR A 284 LYS A 291 -1 O PHE A 289 N PHE A 170 SHEET 7 A 7 LEU A 242 GLY A 249 -1 N LYS A 248 O VAL A 286 SHEET 1 B 3 LYS A 195 LEU A 198 0 SHEET 2 B 3 GLU A 211 THR A 215 -1 O ARG A 213 N GLU A 197 SHEET 3 B 3 CYS A 223 TYR A 226 -1 O GLU A 225 N TYR A 212 SITE 1 AC1 12 ASN A 50 LYS A 75 GLY A 77 PHE A 141 SITE 2 AC1 12 HIS A 144 PRO A 175 PHE A 214 LEU A 216 SITE 3 AC1 12 GLU A 225 TYR A 284 HOH A 307 HOH A 321 CRYST1 62.819 62.819 111.818 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 0.015919 0.009191 0.000000 0.00000 SCALE2 0.000000 0.018381 0.000000 0.00000 SCALE3 0.000000 0.000000 0.008943 0.00000