HEADER RNA BINDING PROTEIN/RNA 12-DEC-00 1HP6 OBSLTE 02-AUG-02 1HP6 1M5K TITLE CRYSTAL STRUCTURE OF A HAIRPIN RIBOZYME IN THE TITLE 2 CATALYTICALLY-ACTIVE CONFORMATION COMPND MOL_ID: 1; COMPND 2 MOLECULE: RNA INHIBITOR SUBSTRATE; COMPND 3 CHAIN: A, D; COMPND 4 ENGINEERED: YES; COMPND 5 MOL_ID: 2; COMPND 6 MOLECULE: RNA RIBOZYME HAIRPIN; COMPND 7 CHAIN: B, E; COMPND 8 ENGINEERED: YES; COMPND 9 MOL_ID: 3; COMPND 10 MOLECULE: U1 SMALL NUCLEAR RIBONUCLEOPROTEIN A; COMPND 11 CHAIN: C, F; COMPND 12 FRAGMENT: U1A RNA BINDING DOMAIN; COMPND 13 SYNONYM: U1 SNRNP A PROTEIN; COMPND 14 ENGINEERED: YES; COMPND 15 MUTATION: YES SOURCE MOL_ID: 1; SOURCE 2 SYNTHETIC: YES; SOURCE 3 OTHER_DETAILS: CHEMICALLY SYNTHESIZED. THIS SEQUENCE SOURCE 4 OCCURS NATURALLY IN SATELLITE TOBACCO RINGSPOT VIRUS.; SOURCE 5 MOL_ID: 2; SOURCE 6 SYNTHETIC: YES; SOURCE 7 OTHER_DETAILS: IN VITRO TRANSCRIPTION. THIS SEQUENCE SOURCE 8 OCCURS NATURALLY IN SATELLITE TOBACCO RINGSPOT VIRUS.; SOURCE 9 MOL_ID: 3; SOURCE 10 ORGANISM_SCIENTIFIC: HOMO SAPIENS; SOURCE 11 ORGANISM_COMMON: HUMAN; SOURCE 12 EXPRESSION_SYSTEM: ESCHERICHIA COLI; SOURCE 13 EXPRESSION_SYSTEM_COMMON: BACTERIA; SOURCE 14 EXPRESSION_SYSTEM_VECTOR_TYPE: PLASMID; SOURCE 15 EXPRESSION_SYSTEM_PLASMID: PKN172 KEYWDS HAIRPIN RIBOZYME, CATALYTIC RNA, U1A RNA BINDING PROTEIN, KEYWDS 2 DOCKED CONFORMATION EXPDTA X-RAY DIFFRACTION AUTHOR P.B.RUPERT,A.R.FERRE-D'AMARE REVDAT 3 02-AUG-02 1HP6 1 OBSLTE REVDAT 2 26-SEP-01 1HP6 3 ATOM REVDAT 1 12-APR-01 1HP6 0 JRNL AUTH P.B.RUPERT,A.R.FERRE-D'AMARE JRNL TITL CRYSTAL STRUCTURE OF A HAIRPIN RIBOZYME-INHIBITOR JRNL TITL 2 COMPLEX WITH IMPLICATIONS FOR CATALYSIS JRNL REF NATURE V. 410 780 2001 JRNL REFN ASTM NATUAS UK ISSN 0028-0836 REMARK 1 REMARK 2 REMARK 2 RESOLUTION. 2.40 ANGSTROMS. REMARK 3 REMARK 3 REFINEMENT. REMARK 3 PROGRAM : CNS 1.0 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 : NULL REMARK 3 REMARK 3 DATA USED IN REFINEMENT. REMARK 3 RESOLUTION RANGE HIGH (ANGSTROMS) : 2.40 REMARK 3 RESOLUTION RANGE LOW (ANGSTROMS) : 61.07 REMARK 3 DATA CUTOFF (SIGMA(F)) : NULL REMARK 3 DATA CUTOFF HIGH (ABS(F)) : 344777.740 REMARK 3 DATA CUTOFF LOW (ABS(F)) : 0.0000 REMARK 3 COMPLETENESS (WORKING+TEST) (%) : 90.6 REMARK 3 NUMBER OF REFLECTIONS : 39158 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) : 0.251 REMARK 3 FREE R VALUE : 0.294 REMARK 3 FREE R VALUE TEST SET SIZE (%) : 10.100 REMARK 3 FREE R VALUE TEST SET COUNT : 3951 REMARK 3 ESTIMATED ERROR OF FREE R VALUE : 0.005 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) : 2.40 REMARK 3 BIN RESOLUTION RANGE LOW (A) : 2.55 REMARK 3 BIN COMPLETENESS (WORKING+TEST) (%) : 66.90 REMARK 3 REFLECTIONS IN BIN (WORKING SET) : 4303 REMARK 3 BIN R VALUE (WORKING SET) : 0.4250 REMARK 3 BIN FREE R VALUE : 0.4450 REMARK 3 BIN FREE R VALUE TEST SET SIZE (%) : 9.70 REMARK 3 BIN FREE R VALUE TEST SET COUNT : 461 REMARK 3 ESTIMATED ERROR OF BIN FREE R VALUE : 0.021 REMARK 3 REMARK 3 NUMBER OF NON-HYDROGEN ATOMS USED IN REFINEMENT. REMARK 3 PROTEIN ATOMS : 1500 REMARK 3 NUCLEIC ACID ATOMS : 4834 REMARK 3 HETEROGEN ATOMS : 23 REMARK 3 SOLVENT ATOMS : 48 REMARK 3 REMARK 3 B VALUES. REMARK 3 FROM WILSON PLOT (A**2) : 37.60 REMARK 3 MEAN B VALUE (OVERALL, A**2) : 80.30 REMARK 3 OVERALL ANISOTROPIC B VALUE. REMARK 3 B11 (A**2) : -0.17000 REMARK 3 B22 (A**2) : 2.61000 REMARK 3 B33 (A**2) : -2.44000 REMARK 3 B12 (A**2) : 0.00000 REMARK 3 B13 (A**2) : 21.82000 REMARK 3 B23 (A**2) : 0.00000 REMARK 3 REMARK 3 ESTIMATED COORDINATE ERROR. REMARK 3 ESD FROM LUZZATI PLOT (A) : 0.44 REMARK 3 ESD FROM SIGMAA (A) : 0.47 REMARK 3 LOW RESOLUTION CUTOFF (A) : 5.00 REMARK 3 REMARK 3 CROSS-VALIDATED ESTIMATED COORDINATE ERROR. REMARK 3 ESD FROM C-V LUZZATI PLOT (A) : 0.50 REMARK 3 ESD FROM C-V SIGMAA (A) : 0.52 REMARK 3 REMARK 3 RMS DEVIATIONS FROM IDEAL VALUES. REMARK 3 BOND LENGTHS (A) : 0.011 REMARK 3 BOND ANGLES (DEGREES) : 1.40 REMARK 3 DIHEDRAL ANGLES (DEGREES) : 18.80 REMARK 3 IMPROPER ANGLES (DEGREES) : 1.75 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) : 4.730 ; 1.500 REMARK 3 MAIN-CHAIN ANGLE (A**2) : 5.970 ; 2.000 REMARK 3 SIDE-CHAIN BOND (A**2) : 4.360 ; 2.000 REMARK 3 SIDE-CHAIN ANGLE (A**2) : 5.830 ; 2.500 REMARK 3 REMARK 3 BULK SOLVENT MODELING. REMARK 3 METHOD USED : FLAT MODEL REMARK 3 KSOL : 0.30 REMARK 3 BSOL : 30.00 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 : ION.PARAM REMARK 3 PARAMETER FILE 2 : WATER_REP.PARAM REMARK 3 PARAMETER FILE 3 : PROTEIN_REP.PARAM REMARK 3 PARAMETER FILE 4 : DNA-RNA_REPB.PARAM REMARK 3 PARAMETER FILE 5 : NULL REMARK 3 TOPOLOGY FILE 1 : ION.TOP REMARK 3 TOPOLOGY FILE 2 : WATER.TOP REMARK 3 TOPOLOGY FILE 3 : PROTEIN.TOP REMARK 3 TOPOLOGY FILE 4 : DNA-RNA_REPB.TOP REMARK 3 TOPOLOGY FILE 5 : NULL REMARK 3 REMARK 3 OTHER REFINEMENT REMARKS: BULK SOLVENT MODEL USED REMARK 4 REMARK 4 1HP6 COMPLIES WITH FORMAT V. 2.3, 09-JULY-1998 REMARK 100 REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY THE NUCLEIC ACID DATABASE REMARK 100 ON 19-DEC-2000. REMARK 100 THE NDB ID CODE IS PR0038. REMARK 101 REMARK 101 RESIDUE +U D 17 HAS IDO BONDED TO C5. REMARK 101 RESIDUE +U A 17 HAS IDO BONDED TO C5. REMARK 105 REMARK 105 THE PROTEIN DATA BANK HAS ADOPTED THE SACCHARIDE CHEMISTS REMARK 105 NOMENCLATURE FOR ATOMS OF THE DEOXYRIBOSE/RIBOSE MOIETY REMARK 105 RATHER THAN THAT OF THE NUCLEOSIDE CHEMISTS. THE RING REMARK 105 OXYGEN ATOM IS LABELLED O4* INSTEAD OF O1*. REMARK 200 REMARK 200 EXPERIMENTAL DETAILS REMARK 200 EXPERIMENT TYPE : X-RAY DIFFRACTION REMARK 200 DATE OF DATA COLLECTION : 04-OCT-2000 REMARK 200 TEMPERATURE (KELVIN) : 100.0 REMARK 200 PH : 5.50 REMARK 200 NUMBER OF CRYSTALS USED : 1 REMARK 200 REMARK 200 SYNCHROTRON (Y/N) : Y REMARK 200 RADIATION SOURCE : ALS REMARK 200 BEAMLINE : 5.0.2 REMARK 200 X-RAY GENERATOR MODEL : NULL REMARK 200 MONOCHROMATIC OR LAUE (M/L) : M REMARK 200 WAVELENGTH OR RANGE (A) : 1.1 REMARK 200 MONOCHROMATOR : NULL REMARK 200 OPTICS : NULL REMARK 200 REMARK 200 DETECTOR TYPE : CCD REMARK 200 DETECTOR MANUFACTURER : ADSC REMARK 200 INTENSITY-INTEGRATION SOFTWARE : DENZO REMARK 200 DATA SCALING SOFTWARE : SCALEPACK REMARK 200 REMARK 200 NUMBER OF UNIQUE REFLECTIONS : 41290 REMARK 200 RESOLUTION RANGE HIGH (A) : 2.400 REMARK 200 RESOLUTION RANGE LOW (A) : 100.000 REMARK 200 REJECTION CRITERIA (SIGMA(I)) : NULL REMARK 200 REMARK 200 OVERALL. REMARK 200 COMPLETENESS FOR RANGE (%) : 95.6 REMARK 200 DATA REDUNDANCY : 3.600 REMARK 200 R MERGE (I) : 0.06700 REMARK 200 R SYM (I) : NULL REMARK 200 FOR THE DATA SET : 22.8000 REMARK 200 REMARK 200 IN THE HIGHEST RESOLUTION SHELL. REMARK 200 HIGHEST RESOLUTION SHELL, RANGE HIGH (A) : 2.40 REMARK 200 HIGHEST RESOLUTION SHELL, RANGE LOW (A) : 2.50 REMARK 200 COMPLETENESS FOR SHELL (%) : 73.9 REMARK 200 DATA REDUNDANCY IN SHELL : 2.30 REMARK 200 R MERGE FOR SHELL (I) : 0.26100 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: MAD REMARK 200 SOFTWARE USED: CNS REMARK 200 STARTING MODEL: NULL REMARK 200 REMARK 200 REMARK: NULL REMARK 280 REMARK 280 CRYSTAL REMARK 280 SOLVENT CONTENT, VS (%): 65.00 REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 2.80 REMARK 280 REMARK 280 CRYSTALLIZATION CONDITIONS: 20 MM CACL2, 220 MM NH4CL, 21% MPD REMARK 280 (~PH 5.5) REMARK 290 REMARK 290 CRYSTALLOGRAPHIC SYMMETRY REMARK 290 SYMMETRY OPERATORS FOR SPACE GROUP: C 1 2 1 REMARK 290 REMARK 290 SYMOP SYMMETRY REMARK 290 NNNMMM OPERATOR REMARK 290 1555 X,Y,Z REMARK 290 2555 -X,Y,-Z REMARK 290 3555 1/2+X,1/2+Y,Z REMARK 290 4555 1/2-X,1/2+Y,-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 0.00000 REMARK 290 SMTRY2 2 0.000000 1.000000 0.000000 0.00000 REMARK 290 SMTRY3 2 0.000000 0.000000 -1.000000 0.00000 REMARK 290 SMTRY1 3 1.000000 0.000000 0.000000 128.15000 REMARK 290 SMTRY2 3 0.000000 1.000000 0.000000 22.05000 REMARK 290 SMTRY3 3 0.000000 0.000000 1.000000 0.00000 REMARK 290 SMTRY1 4 -1.000000 0.000000 0.000000 128.15000 REMARK 290 SMTRY2 4 0.000000 1.000000 0.000000 22.05000 REMARK 290 SMTRY3 4 0.000000 0.000000 -1.000000 0.00000 REMARK 290 REMARK 290 REMARK: NULL REMARK 300 REMARK 300 BIOMOLECULE: 1, 2 REMARK 300 THIS ENTRY CONTAINS THE CRYSTALLOGRAPHIC ASYMMETRIC UNIT REMARK 300 WHICH CONSISTS OF 6 CHAIN(S). SEE REMARK 350 FOR REMARK 300 INFORMATION ON GENERATING THE BIOLOGICAL MOLECULE(S). REMARK 350 REMARK 350 GENERATING THE BIOMOLECULE 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 APPLY THE FOLLOWING TO CHAINS: A, B, C 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 350 BIOMOLECULE: 2 REMARK 350 APPLY THE FOLLOWING TO CHAINS: D, E, F REMARK 350 BIOMT1 2 1.000000 0.000000 0.000000 0.00000 REMARK 350 BIOMT2 2 0.000000 1.000000 0.000000 0.00000 REMARK 350 BIOMT3 2 0.000000 0.000000 1.000000 0.00000 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 GTP B 1 PG O1G O2G O3G REMARK 470 GTP E 1 PG O1G O2G O3G 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 REMARK 500 OH TYR F 13 OE1 GLN F 54 2.09 REMARK 500 OH TYR C 13 OE1 GLN C 54 2.10 REMARK 500 O2* +A A 12 O2P G A 13 2.16 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),F6.3) REMARK 500 REMARK 500 EXPECTED VALUES: ENGH AND HUBER, 1991 REMARK 500 REMARK 500 M RES CSSEQI ATM1 RES CSSEQI ATM2 DEVIATION REMARK 500 MET C 51 SD MET C 51 CE -0.077 REMARK 500 MET C 72 SD MET C 72 CE -0.071 REMARK 500 MET C 82 SD MET C 82 CE -0.049 REMARK 500 GLN F 39 CB GLN F 39 CG 0.051 REMARK 500 MET F 51 SD MET F 51 CE -0.068 REMARK 500 ARG F 52 CB ARG F 52 CG -0.045 REMARK 500 VAL F 57 CB VAL F 57 CG1 -0.061 REMARK 500 MET F 72 SD MET F 72 CE -0.202 REMARK 500 MET F 82 SD MET F 82 CE -0.188 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: ENGH AND HUBER, 1991 REMARK 500 REMARK 500 M RES CSSEQI ATM1 ATM2 ATM3 REMARK 500 ASP C 79 N - CA - C ANGL. DEV. = 7.5 DEGREES REMARK 500 SER C 91 N - CA - C ANGL. DEV. = -9.2 DEGREES REMARK 500 PRO F 8 N - CA - C ANGL. DEV. = -8.8 DEGREES REMARK 500 TYR F 13 N - CA - C ANGL. DEV. = -8.7 DEGREES REMARK 500 ARG F 36 N - CA - C ANGL. DEV. = 7.8 DEGREES REMARK 500 ILE F 43 N - CA - C ANGL. DEV. = -9.1 DEGREES REMARK 500 LEU F 44 CA - CB - CG ANGL. DEV. = 7.5 DEGREES REMARK 500 LYS F 50 N - CA - C ANGL. DEV. = 9.0 DEGREES REMARK 500 VAL F 57 N - CA - C ANGL. DEV. = -7.7 DEGREES REMARK 500 ASP F 79 N - CA - C ANGL. DEV. = 7.9 DEGREES DBREF 1HP6 C 6 97 UNP P09012 RU1A_HUMAN 6 97 DBREF 1HP6 F 6 97 UNP P09012 RU1A_HUMAN 6 97 SEQADV 1HP6 HIS C 26 UNP P09012 TYR 31 ENGINEERED SEQADV 1HP6 ARG C 31 UNP P09012 GLN 36 ENGINEERED SEQADV 1HP6 HIS F 26 UNP P09012 TYR 31 ENGINEERED SEQADV 1HP6 ARG F 31 UNP P09012 GLN 36 ENGINEERED SEQRES 1 A 21 G G C C A C C U G A C +A G SEQRES 2 A 21 U C C +U C U C C SEQRES 1 B 92 GTP G A G A G A G A A G U C SEQRES 2 B 92 A A C C A G A G A A A C A SEQRES 3 B 92 C A C C A A C C C A U U G SEQRES 4 B 92 C A C U C C G G G U U G G SEQRES 5 B 92 U G G U A U A U U A C C U SEQRES 6 B 92 G G U A C G G G G G A A A SEQRES 7 B 92 C U U C G U G G U G G C C SEQRES 8 B 92 G SEQRES 1 C 92 THR ARG PRO ASN HIS THR ILE TYR ILE ASN ASN LEU ASN SEQRES 2 C 92 GLU LYS ILE LYS LYS ASP GLU LEU LYS LYS SER LEU HIS SEQRES 3 C 92 ALA ILE PHE SER ARG PHE GLY GLN ILE LEU ASP ILE LEU SEQRES 4 C 92 VAL SER ARG SER LEU LYS MET ARG GLY GLN ALA PHE VAL SEQRES 5 C 92 ILE PHE LYS GLU VAL SER SER ALA THR ASN ALA LEU ARG SEQRES 6 C 92 SER MET GLN GLY PHE PRO PHE TYR ASP LYS PRO MET ARG SEQRES 7 C 92 ILE GLN TYR ALA LYS THR ASP SER ASP ILE ILE ALA LYS SEQRES 8 C 92 MET SEQRES 1 D 21 G G C C A C C U G A C +A G SEQRES 2 D 21 U C C +U C U C C SEQRES 1 E 92 GTP G A G A G A G A A G U C SEQRES 2 E 92 A A C C A G A G A A A C A SEQRES 3 E 92 C A C C A A C C C A U U G SEQRES 4 E 92 C A C U C C G G G U U G G SEQRES 5 E 92 U G G U A U A U U A C C U SEQRES 6 E 92 G G U A C G G G G G A A A SEQRES 7 E 92 C U U C G U G G U G G C C SEQRES 8 E 92 G SEQRES 1 F 92 THR ARG PRO ASN HIS THR ILE TYR ILE ASN ASN LEU ASN SEQRES 2 F 92 GLU LYS ILE LYS LYS ASP GLU LEU LYS LYS SER LEU HIS SEQRES 3 F 92 ALA ILE PHE SER ARG PHE GLY GLN ILE LEU ASP ILE LEU SEQRES 4 F 92 VAL SER ARG SER LEU LYS MET ARG GLY GLN ALA PHE VAL SEQRES 5 F 92 ILE PHE LYS GLU VAL SER SER ALA THR ASN ALA LEU ARG SEQRES 6 F 92 SER MET GLN GLY PHE PRO PHE TYR ASP LYS PRO MET ARG SEQRES 7 F 92 ILE GLN TYR ALA LYS THR ASP SER ASP ILE ILE ALA LYS SEQRES 8 F 92 MET MODRES 1HP6 GTP B 1 G GUANOSINE-5'-TRIPHOSPHATE MODRES 1HP6 GTP E 1 G GUANOSINE-5'-TRIPHOSPHATE HET GTP B 1 28 HET GTP E 1 28 HET CA 201 1 HET CA 202 1 HET CA 203 1 HET CA 204 1 HET CA 205 1 HET CA 206 1 HET CA 207 1 HET CA 208 1 HET CA 209 1 HET CA 210 1 HET CA 211 1 HET CA 212 1 HET CA 213 1 HET CA 214 1 HET CA 215 1 HET CA 216 1 HET CA 217 1 HET CL 218 1 HET CL 219 1 HET CH3 A 12 1 HET IDO A 17 1 HET CH3 D 12 1 HET IDO D 17 1 HETNAM GTP GUANOSINE-5'-TRIPHOSPHATE HETNAM CA CALCIUM ION HETNAM CL CHLORIDE ION HETNAM CH3 METHYL GROUP HETNAM IDO IODO GROUP FORMUL 2 GTP 2(C10 H16 N5 O14 P3) FORMUL 7 CA 17(CA 2+) FORMUL 24 CL 2(CL 1-) FORMUL 26 CH3 2(C H4) FORMUL 27 IDO 2(I) FORMUL 30 HOH *48(H2 O1) HELIX 1 1 LYS C 22 SER C 35 1 14 HELIX 2 2 ARG C 36 GLY C 38 5 3 HELIX 3 3 GLU C 61 GLN C 73 1 13 HELIX 4 4 SER C 91 LYS C 96 1 6 HELIX 5 5 LYS F 22 SER F 35 1 14 HELIX 6 6 ARG F 36 GLY F 38 5 3 HELIX 7 7 GLU F 61 GLN F 73 1 13 HELIX 8 8 SER F 91 LYS F 96 1 6 SHEET 1 A 4 ILE C 40 LEU C 44 0 SHEET 2 A 4 GLN C 54 PHE C 59 -1 O PHE C 56 N LEU C 44 SHEET 3 A 4 THR C 11 ASN C 15 -1 O ILE C 12 N VAL C 57 SHEET 4 A 4 ARG C 83 TYR C 86 -1 N ARG C 83 O ASN C 15 SHEET 1 B 2 PRO C 76 PHE C 77 0 SHEET 2 B 2 LYS C 80 PRO C 81 -1 O LYS C 80 N PHE C 77 SHEET 1 C 4 ILE F 40 LEU F 44 0 SHEET 2 C 4 GLN F 54 PHE F 59 -1 N PHE F 56 O LEU F 44 SHEET 3 C 4 THR F 11 ASN F 15 -1 N ILE F 12 O VAL F 57 SHEET 4 C 4 ARG F 83 TYR F 86 -1 N ARG F 83 O ASN F 15 SHEET 1 D 2 PRO F 76 PHE F 77 0 SHEET 2 D 2 LYS F 80 PRO F 81 -1 N LYS F 80 O PHE F 77 LINK O2* +A D 12 C CH3 D 12 LINK O2* +A A 12 C CH3 A 12 LINK C5 +U D 17 I IDO D 17 LINK C5 +U A 17 I IDO A 17 CRYST1 256.300 44.100 102.400 90.00 109.00 90.00 C 1 2 1 8 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 0.003902 0.000000 0.001343 0.00000 SCALE2 0.000000 0.022676 0.000000 0.00000 SCALE3 0.000000 0.000000 0.010328 0.00000