PDB Short entry for 2EZ6 HEADER HYDROLASE/RNA 10-NOV-05 2EZ6 TITLE CRYSTAL STRUCTURE OF AQUIFEX AEOLICUS RNASE III (D44N) COMPLEXED WITH TITLE 2 PRODUCT OF DOUBLE-STRANDED RNA PROCESSING COMPND MOL_ID: 1; COMPND 2 MOLECULE: 28-MER; COMPND 3 CHAIN: C, D; COMPND 4 ENGINEERED: YES; COMPND 5 MOL_ID: 2; COMPND 6 MOLECULE: RIBONUCLEASE III; COMPND 7 CHAIN: A, B; COMPND 8 SYNONYM: RNASE III; COMPND 9 EC: 3.1.26.3; COMPND 10 ENGINEERED: YES; COMPND 11 MUTATION: YES SOURCE MOL_ID: 1; SOURCE 2 SYNTHETIC: YES; SOURCE 3 MOL_ID: 2; SOURCE 4 ORGANISM_SCIENTIFIC: AQUIFEX AEOLICUS; SOURCE 5 ORGANISM_TAXID: 63363; SOURCE 6 GENE: RNC; SOURCE 7 EXPRESSION_SYSTEM: ESCHERICHIA COLI; SOURCE 8 EXPRESSION_SYSTEM_TAXID: 562; SOURCE 9 EXPRESSION_SYSTEM_STRAIN: BL21(DE3)-RIL; SOURCE 10 EXPRESSION_SYSTEM_VECTOR_TYPE: PLASMID; SOURCE 11 EXPRESSION_SYSTEM_PLASMID: PHPK1409 KEYWDS RIBONUCLEASE III, DSRNA, RNA PROCESSING, RNA INTERFERENCE, HYDROLASE- KEYWDS 2 RNA COMPLEX EXPDTA X-RAY DIFFRACTION AUTHOR J.GAN,J.E.TROPEA,B.P.AUSTIN,D.L.COURT,D.S.WAUGH,X.JI REVDAT 5 30-AUG-23 2EZ6 1 AUTHOR JRNL REVDAT 4 23-AUG-23 2EZ6 1 REMARK REVDAT 3 20-OCT-21 2EZ6 1 REMARK SEQADV LINK REVDAT 2 24-FEB-09 2EZ6 1 VERSN REVDAT 1 07-FEB-06 2EZ6 0 JRNL AUTH J.GAN,J.E.TROPEA,B.P.AUSTIN,D.L.COURT,D.S.WAUGH,X.JI JRNL TITL STRUCTURAL INSIGHT INTO THE MECHANISM OF DOUBLE-STRANDED RNA JRNL TITL 2 PROCESSING BY RIBONUCLEASE III. JRNL REF CELL(CAMBRIDGE,MASS.) V. 124 355 2006 JRNL REFN ISSN 0092-8674 JRNL PMID 16439209 JRNL DOI 10.1016/J.CELL.2005.11.034 REMARK 2 REMARK 2 RESOLUTION. 2.05 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 : ENGH & HUBER REMARK 3 REMARK 3 DATA USED IN REFINEMENT. REMARK 3 RESOLUTION RANGE HIGH (ANGSTROMS) : 2.05 REMARK 3 RESOLUTION RANGE LOW (ANGSTROMS) : 29.84 REMARK 3 DATA CUTOFF (SIGMA(F)) : 0.000 REMARK 3 DATA CUTOFF HIGH (ABS(F)) : 232333.040 REMARK 3 DATA CUTOFF LOW (ABS(F)) : 0.0000 REMARK 3 COMPLETENESS (WORKING+TEST) (%) : 86.8 REMARK 3 NUMBER OF REFLECTIONS : 38707 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) : 0.205 REMARK 3 FREE R VALUE : 0.258 REMARK 3 FREE R VALUE TEST SET SIZE (%) : 5.000 REMARK 3 FREE R VALUE TEST SET COUNT : 1932 REMARK 3 ESTIMATED ERROR OF FREE R VALUE : 0.006 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) : 2.05 REMARK 3 BIN RESOLUTION RANGE LOW (A) : 2.18 REMARK 3 BIN COMPLETENESS (WORKING+TEST) (%) : 51.90 REMARK 3 REFLECTIONS IN BIN (WORKING SET) : 3663 REMARK 3 BIN R VALUE (WORKING SET) : 0.3520 REMARK 3 BIN FREE R VALUE : 0.4000 REMARK 3 BIN FREE R VALUE TEST SET SIZE (%) : 4.90 REMARK 3 BIN FREE R VALUE TEST SET COUNT : 188 REMARK 3 ESTIMATED ERROR OF BIN FREE R VALUE : 0.029 REMARK 3 REMARK 3 NUMBER OF NON-HYDROGEN ATOMS USED IN REFINEMENT. REMARK 3 PROTEIN ATOMS : 3640 REMARK 3 NUCLEIC ACID ATOMS : 1196 REMARK 3 HETEROGEN ATOMS : 2 REMARK 3 SOLVENT ATOMS : 298 REMARK 3 REMARK 3 B VALUES. REMARK 3 FROM WILSON PLOT (A**2) : 43.00 REMARK 3 MEAN B VALUE (OVERALL, A**2) : 48.80 REMARK 3 OVERALL ANISOTROPIC B VALUE. REMARK 3 B11 (A**2) : 0.68000 REMARK 3 B22 (A**2) : 2.01000 REMARK 3 B33 (A**2) : -2.70000 REMARK 3 B12 (A**2) : 0.00000 REMARK 3 B13 (A**2) : 8.27000 REMARK 3 B23 (A**2) : 0.00000 REMARK 3 REMARK 3 ESTIMATED COORDINATE ERROR. REMARK 3 ESD FROM LUZZATI PLOT (A) : 0.27 REMARK 3 ESD FROM SIGMAA (A) : 0.34 REMARK 3 LOW RESOLUTION CUTOFF (A) : 30.0 REMARK 3 REMARK 3 CROSS-VALIDATED ESTIMATED COORDINATE ERROR. REMARK 3 ESD FROM C-V LUZZATI PLOT (A) : 0.34 REMARK 3 ESD FROM C-V SIGMAA (A) : 0.43 REMARK 3 REMARK 3 RMS DEVIATIONS FROM IDEAL VALUES. REMARK 3 BOND LENGTHS (A) : 0.005 REMARK 3 BOND ANGLES (DEGREES) : 1.100 REMARK 3 DIHEDRAL ANGLES (DEGREES) : 16.80 REMARK 3 IMPROPER ANGLES (DEGREES) : 0.970 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) : 3.660 ; 1.500 REMARK 3 MAIN-CHAIN ANGLE (A**2) : 4.680 ; 2.000 REMARK 3 SIDE-CHAIN BOND (A**2) : 5.130 ; 2.000 REMARK 3 SIDE-CHAIN ANGLE (A**2) : 6.610 ; 2.500 REMARK 3 REMARK 3 BULK SOLVENT MODELING. REMARK 3 METHOD USED : FLAT MODEL REMARK 3 KSOL : 0.41 REMARK 3 BSOL : 69.12 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 : WATER_REP.PARAM REMARK 3 PARAMETER FILE 3 : ION.PARAM REMARK 3 PARAMETER FILE 4 : DNA-RNA_REP.PARAM REMARK 3 PARAMETER FILE 5 : NULL REMARK 3 TOPOLOGY FILE 1 : PROTEIN.TOP REMARK 3 TOPOLOGY FILE 2 : WATER.TOP REMARK 3 TOPOLOGY FILE 3 : ION.TOP REMARK 3 TOPOLOGY FILE 4 : DNA-RNA.TOP REMARK 3 TOPOLOGY FILE 5 : NULL REMARK 3 REMARK 3 OTHER REFINEMENT REMARKS: NULL REMARK 4 REMARK 4 2EZ6 COMPLIES WITH FORMAT V. 3.30, 13-JUL-11 REMARK 100 REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY RCSB ON 08-DEC-05. REMARK 100 THE DEPOSITION ID IS D_1000035273. REMARK 200 REMARK 200 EXPERIMENTAL DETAILS REMARK 200 EXPERIMENT TYPE : X-RAY DIFFRACTION REMARK 200 DATE OF DATA COLLECTION : 02-JUL-05 REMARK 200 TEMPERATURE (KELVIN) : 100 REMARK 200 PH : 7.5 REMARK 200 NUMBER OF CRYSTALS USED : 1 REMARK 200 REMARK 200 SYNCHROTRON (Y/N) : Y REMARK 200 RADIATION SOURCE : APS REMARK 200 BEAMLINE : 22-ID REMARK 200 X-RAY GENERATOR MODEL : NULL REMARK 200 MONOCHROMATIC OR LAUE (M/L) : M REMARK 200 WAVELENGTH OR RANGE (A) : 1.0000 REMARK 200 MONOCHROMATOR : SILICON REMARK 200 OPTICS : MIRROR REMARK 200 REMARK 200 DETECTOR TYPE : CCD REMARK 200 DETECTOR MANUFACTURER : BRUKER PROTEUM 300 REMARK 200 INTENSITY-INTEGRATION SOFTWARE : DENZO REMARK 200 DATA SCALING SOFTWARE : SCALEPACK REMARK 200 REMARK 200 NUMBER OF UNIQUE REFLECTIONS : 40208 REMARK 200 RESOLUTION RANGE HIGH (A) : 2.050 REMARK 200 RESOLUTION RANGE LOW (A) : 30.000 REMARK 200 REJECTION CRITERIA (SIGMA(I)) : 0.000 REMARK 200 REMARK 200 OVERALL. REMARK 200 COMPLETENESS FOR RANGE (%) : 90.6 REMARK 200 DATA REDUNDANCY : 2.500 REMARK 200 R MERGE (I) : 0.06100 REMARK 200 R SYM (I) : NULL REMARK 200 <I/SIGMA(I)> FOR THE DATA SET : 13.3000 REMARK 200 REMARK 200 IN THE HIGHEST RESOLUTION SHELL. REMARK 200 HIGHEST RESOLUTION SHELL, RANGE HIGH (A) : 2.05 REMARK 200 HIGHEST RESOLUTION SHELL, RANGE LOW (A) : 2.12 REMARK 200 COMPLETENESS FOR SHELL (%) : 55.2 REMARK 200 DATA REDUNDANCY IN SHELL : 1.60 REMARK 200 R MERGE FOR SHELL (I) : 0.41100 REMARK 200 R SYM FOR SHELL (I) : NULL REMARK 200 <I/SIGMA(I)> FOR SHELL : 1.600 REMARK 200 REMARK 200 DIFFRACTION PROTOCOL: SINGLE WAVELENGTH REMARK 200 METHOD USED TO DETERMINE THE STRUCTURE: MOLECULAR REPLACEMENT REMARK 200 SOFTWARE USED: PHASES REMARK 200 STARTING MODEL: PDB ENTRIES 1RC7, 1YZ9, 1YYW, 1YYO REMARK 200 REMARK 200 REMARK: NULL REMARK 280 REMARK 280 CRYSTAL REMARK 280 SOLVENT CONTENT, VS (%): 51.78 REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 2.55 REMARK 280 REMARK 280 CRYSTALLIZATION CONDITIONS: 0.2 M AMMONIUM SULFATE, 25% W/V PEG REMARK 280 3350 IN 0.1 M HEPES, PH 7.5, VAPOR DIFFUSION, SITTING DROP, REMARK 280 TEMPERATURE 293K REMARK 290 REMARK 290 CRYSTALLOGRAPHIC SYMMETRY REMARK 290 SYMMETRY OPERATORS FOR SPACE GROUP: P 1 21 1 REMARK 290 REMARK 290 SYMOP SYMMETRY REMARK 290 NNNMMM OPERATOR REMARK 290 1555 X,Y,Z REMARK 290 2555 -X,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 0.00000 REMARK 290 SMTRY2 2 0.000000 1.000000 0.000000 25.48800 REMARK 290 SMTRY3 2 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: TETRAMERIC REMARK 350 APPLY THE FOLLOWING TO CHAINS: C, D, 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 MET A 1 REMARK 465 LYS A 2 REMARK 465 GLU A 221 REMARK 465 MET B 1 REMARK 465 LYS B 2 REMARK 465 GLU B 221 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 A C 1 P A C 1 OP3 -0.087 REMARK 500 A D 1 P A D 1 OP3 -0.087 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 LYS A 96 -70.14 -115.92 REMARK 500 ARG A 97 82.34 -69.61 REMARK 500 ILE A 100 92.69 -66.61 REMARK 500 LYS A 181 74.69 -168.52 REMARK 500 LYS A 191 -127.26 55.06 REMARK 500 LYS B 96 -72.40 -124.48 REMARK 500 ILE B 100 76.04 -67.35 REMARK 500 LYS B 181 75.60 -157.41 REMARK 500 LYS B 191 -107.40 59.96 REMARK 500 REMARK 500 REMARK: NULL REMARK 500 REMARK 500 GEOMETRY AND STEREOCHEMISTRY REMARK 500 SUBTOPIC: PLANAR GROUPS REMARK 500 REMARK 500 PLANAR GROUPS IN THE FOLLOWING RESIDUES HAVE A TOTAL REMARK 500 RMS DISTANCE OF ALL ATOMS FROM THE BEST-FIT PLANE REMARK 500 BY MORE THAN AN EXPECTED VALUE OF 6*RMSD, WITH AN REMARK 500 RMSD 0.02 ANGSTROMS, OR AT LEAST ONE ATOM HAS REMARK 500 AN RMSD GREATER THAN THIS VALUE REMARK 500 (M=MODEL NUMBER; RES=RESIDUE NAME; C=CHAIN IDENTIFIER; REMARK 500 SSEQ=SEQUENCE NUMBER; I=INSERTION CODE). REMARK 500 REMARK 500 M RES CSSEQI RMS TYPE REMARK 500 G C 12 0.06 SIDE CHAIN REMARK 500 G D 12 0.06 SIDE CHAIN REMARK 500 REMARK 500 REMARK: NULL REMARK 620 REMARK 620 METAL COORDINATION REMARK 620 (M=MODEL NUMBER; RES=RESIDUE NAME; C=CHAIN IDENTIFIER; REMARK 620 SSEQ=SEQUENCE NUMBER; I=INSERTION CODE): REMARK 620 REMARK 620 COORDINATION ANGLES FOR: M RES CSSEQI METAL REMARK 620 MG A 501 MG REMARK 620 N RES CSSEQI ATOM REMARK 620 1 HOH C 29 O REMARK 620 2 GLU A 40 OE2 86.9 REMARK 620 3 ASP A 107 OD1 85.8 80.5 REMARK 620 4 GLU A 110 OE1 172.7 86.2 91.1 REMARK 620 5 HOH A 502 O 93.1 113.1 166.3 91.5 REMARK 620 6 HOH A 503 O 97.3 168.4 88.9 89.2 77.6 REMARK 620 N 1 2 3 4 5 REMARK 620 REMARK 620 COORDINATION ANGLES FOR: M RES CSSEQI METAL REMARK 620 MG B 502 MG REMARK 620 N RES CSSEQI ATOM REMARK 620 1 HOH D 29 O REMARK 620 2 HOH D 30 O 94.2 REMARK 620 3 GLU B 40 OE2 101.7 91.2 REMARK 620 4 ASP B 107 OD1 170.4 88.5 87.5 REMARK 620 5 GLU B 110 OE1 90.5 175.3 87.8 86.9 REMARK 620 6 HOH B 503 O 90.4 99.1 163.5 80.1 80.8 REMARK 620 N 1 2 3 4 5 REMARK 800 REMARK 800 SITE REMARK 800 SITE_IDENTIFIER: AC1 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE MG A 501 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC2 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE MG B 502 REMARK 900 REMARK 900 RELATED ENTRIES REMARK 900 RELATED ID: 1JFZ RELATED DB: PDB REMARK 900 CRYSTAL STRUCTURE OF A MN(II)-COMPLEX OF RNASE III ENDONUCLEASE REMARK 900 DOMAIN FROM AQUIFEX AEOLICUS REMARK 900 RELATED ID: 1O0W RELATED DB: PDB REMARK 900 THE CRYSTAL STRUCTURE OF RNASE III FROM THERMOTOGA MARITIMA REMARK 900 RELATED ID: 1RC7 RELATED DB: PDB REMARK 900 CRYSTAL STRUCTURE OF RNASE III MUTANT E110K FROM AQUIFEX AEOLICUS REMARK 900 COMPLEXED WITH DS-RNA (5'-GGCGCGCGCC-3') REMARK 900 RELATED ID: 1YZ9 RELATED DB: PDB REMARK 900 CRYSTAL STRUCTURE OF RNASE III MUTANT E110Q FROM AQUIFEX AEOLICUS REMARK 900 COMPLEXED WITH DS-RNA (5'-CGAACUUCGCG-3') AT 2.1-ANGSTROM RESOLUTION REMARK 900 RELATED ID: 1YYO RELATED DB: PDB REMARK 900 CRYSTAL STRUCTURE OF RNASE III FROM AQUIFEX AEOLICUS COMPLEXED WITH REMARK 900 DS-RNA (5'-CGCGAAUUCGCG-3') AT 2.5-ANGSTROM RESOLUTION REMARK 900 RELATED ID: 1YYW RELATED DB: PDB REMARK 900 CRYSTAL STRUCTURE OF RNASE III FROM AQUIFEX AEOLICUS COMPLEXED WITH REMARK 900 DS-RNA (5'-AAAUAUAUAUUU-3') AT 2.8-ANGSTROM RESOLUTION REMARK 900 RELATED ID: 1RC5 RELATED DB: PDB REMARK 900 THE CRYSTAL STRUCTURE OF MG(II)-COMPLEX OF RNASE III ENDONUCLEASE REMARK 900 DOMAIN FROM AQUIFEX AEOLICUS REMARK 900 RELATED ID: 1YYK RELATED DB: PDB REMARK 900 CRYSTAL STRUCTURE OF RNASE III (E110K) FROM AQUIFEX AEOLICUS REMARK 900 COMPLEXED WITH DS-RNA (5'-CGCGAAUUCGCG-3') AT 2.9-ANGSTROM REMARK 900 RESOLUTION DBREF 2EZ6 A 1 221 UNP O67082 RNC_AQUAE 1 221 DBREF 2EZ6 B 1 221 UNP O67082 RNC_AQUAE 1 221 DBREF 2EZ6 C 1 28 PDB 2EZ6 2EZ6 1 28 DBREF 2EZ6 D 1 28 PDB 2EZ6 2EZ6 1 28 SEQADV 2EZ6 ASN A 44 UNP O67082 ASP 44 ENGINEERED MUTATION SEQADV 2EZ6 ASN B 44 UNP O67082 ASP 44 ENGINEERED MUTATION SEQRES 1 C 28 A A A G G U C A U U C G C SEQRES 2 C 28 A A G A G U G G C C U U U SEQRES 3 C 28 A U SEQRES 1 D 28 A A A G G U C A U U C G C SEQRES 2 D 28 A A G A G U G G C C U U U SEQRES 3 D 28 A U SEQRES 1 A 221 MET LYS MET LEU GLU GLN LEU GLU LYS LYS LEU GLY TYR SEQRES 2 A 221 THR PHE LYS ASP LYS SER LEU LEU GLU LYS ALA LEU THR SEQRES 3 A 221 HIS VAL SER TYR SER LYS LYS GLU HIS TYR GLU THR LEU SEQRES 4 A 221 GLU PHE LEU GLY ASN ALA LEU VAL ASN PHE PHE ILE VAL SEQRES 5 A 221 ASP LEU LEU VAL GLN TYR SER PRO ASN LYS ARG GLU GLY SEQRES 6 A 221 PHE LEU SER PRO LEU LYS ALA TYR LEU ILE SER GLU GLU SEQRES 7 A 221 PHE PHE ASN LEU LEU ALA GLN LYS LEU GLU LEU HIS LYS SEQRES 8 A 221 PHE ILE ARG ILE LYS ARG GLY LYS ILE ASN GLU THR ILE SEQRES 9 A 221 ILE GLY ASP VAL PHE GLU ALA LEU TRP ALA ALA VAL TYR SEQRES 10 A 221 ILE ASP SER GLY ARG ASP ALA ASN PHE THR ARG GLU LEU SEQRES 11 A 221 PHE TYR LYS LEU PHE LYS GLU ASP ILE LEU SER ALA ILE SEQRES 12 A 221 LYS GLU GLY ARG VAL LYS LYS ASP TYR LYS THR ILE LEU SEQRES 13 A 221 GLN GLU ILE THR GLN LYS ARG TRP LYS GLU ARG PRO GLU SEQRES 14 A 221 TYR ARG LEU ILE SER VAL GLU GLY PRO HIS HIS LYS LYS SEQRES 15 A 221 LYS PHE ILE VAL GLU ALA LYS ILE LYS GLU TYR ARG THR SEQRES 16 A 221 LEU GLY GLU GLY LYS SER LYS LYS GLU ALA GLU GLN ARG SEQRES 17 A 221 ALA ALA GLU GLU LEU ILE LYS LEU LEU GLU GLU SER GLU SEQRES 1 B 221 MET LYS MET LEU GLU GLN LEU GLU LYS LYS LEU GLY TYR SEQRES 2 B 221 THR PHE LYS ASP LYS SER LEU LEU GLU LYS ALA LEU THR SEQRES 3 B 221 HIS VAL SER TYR SER LYS LYS GLU HIS TYR GLU THR LEU SEQRES 4 B 221 GLU PHE LEU GLY ASN ALA LEU VAL ASN PHE PHE ILE VAL SEQRES 5 B 221 ASP LEU LEU VAL GLN TYR SER PRO ASN LYS ARG GLU GLY SEQRES 6 B 221 PHE LEU SER PRO LEU LYS ALA TYR LEU ILE SER GLU GLU SEQRES 7 B 221 PHE PHE ASN LEU LEU ALA GLN LYS LEU GLU LEU HIS LYS SEQRES 8 B 221 PHE ILE ARG ILE LYS ARG GLY LYS ILE ASN GLU THR ILE SEQRES 9 B 221 ILE GLY ASP VAL PHE GLU ALA LEU TRP ALA ALA VAL TYR SEQRES 10 B 221 ILE ASP SER GLY ARG ASP ALA ASN PHE THR ARG GLU LEU SEQRES 11 B 221 PHE TYR LYS LEU PHE LYS GLU ASP ILE LEU SER ALA ILE SEQRES 12 B 221 LYS GLU GLY ARG VAL LYS LYS ASP TYR LYS THR ILE LEU SEQRES 13 B 221 GLN GLU ILE THR GLN LYS ARG TRP LYS GLU ARG PRO GLU SEQRES 14 B 221 TYR ARG LEU ILE SER VAL GLU GLY PRO HIS HIS LYS LYS SEQRES 15 B 221 LYS PHE ILE VAL GLU ALA LYS ILE LYS GLU TYR ARG THR SEQRES 16 B 221 LEU GLY GLU GLY LYS SER LYS LYS GLU ALA GLU GLN ARG SEQRES 17 B 221 ALA ALA GLU GLU LEU ILE LYS LEU LEU GLU GLU SER GLU HET MG A 501 1 HET MG B 502 1 HETNAM MG MAGNESIUM ION FORMUL 5 MG 2(MG 2+) FORMUL 7 HOH *298(H2 O) HELIX 1 1 MET A 3 GLY A 12 1 10 HELIX 2 2 ASP A 17 THR A 26 1 10 HELIX 3 3 TYR A 36 SER A 59 1 24 HELIX 4 4 ARG A 63 ILE A 75 1 13 HELIX 5 5 SER A 76 GLN A 85 1 10 HELIX 6 6 LYS A 86 PHE A 92 5 7 HELIX 7 7 ASN A 101 SER A 120 1 20 HELIX 8 8 ASP A 123 GLU A 145 1 23 HELIX 9 9 ASP A 151 TRP A 164 1 14 HELIX 10 10 SER A 201 GLU A 219 1 19 HELIX 11 11 MET B 3 GLY B 12 1 10 HELIX 12 12 ASP B 17 THR B 26 1 10 HELIX 13 13 TYR B 36 SER B 59 1 24 HELIX 14 14 ARG B 63 ILE B 75 1 13 HELIX 15 15 SER B 76 GLN B 85 1 10 HELIX 16 16 LYS B 86 PHE B 92 5 7 HELIX 17 17 ASN B 101 SER B 120 1 20 HELIX 18 18 ASP B 123 GLU B 145 1 23 HELIX 19 19 ASP B 151 TRP B 164 1 14 HELIX 20 20 PRO B 178 LYS B 182 5 5 HELIX 21 21 SER B 201 GLU B 219 1 19 SHEET 1 A 3 GLU A 169 GLU A 176 0 SHEET 2 A 3 LYS A 183 ILE A 190 -1 O ILE A 185 N ILE A 173 SHEET 3 A 3 TYR A 193 GLY A 199 -1 O GLY A 197 N VAL A 186 SHEET 1 B 3 GLU B 169 GLU B 176 0 SHEET 2 B 3 LYS B 183 ILE B 190 -1 O GLU B 187 N ARG B 171 SHEET 3 B 3 TYR B 193 GLY B 199 -1 O GLY B 197 N VAL B 186 LINK O HOH C 29 MG MG A 501 1555 1555 2.29 LINK O HOH D 29 MG MG B 502 1555 1555 2.22 LINK O HOH D 30 MG MG B 502 1555 1555 2.24 LINK OE2 GLU A 40 MG MG A 501 1555 1555 2.19 LINK OD1 ASP A 107 MG MG A 501 1555 1555 2.31 LINK OE1 GLU A 110 MG MG A 501 1555 1555 2.34 LINK MG MG A 501 O HOH A 502 1555 1555 2.30 LINK MG MG A 501 O HOH A 503 1555 1555 2.17 LINK OE2 GLU B 40 MG MG B 502 1555 1555 2.27 LINK OD1 ASP B 107 MG MG B 502 1555 1555 2.08 LINK OE1 GLU B 110 MG MG B 502 1555 1555 2.33 LINK MG MG B 502 O HOH B 503 1555 1555 2.09 SITE 1 AC1 6 GLU A 40 ASP A 107 GLU A 110 HOH A 502 SITE 2 AC1 6 HOH A 503 HOH C 29 SITE 1 AC2 6 GLU B 40 ASP B 107 GLU B 110 HOH B 503 SITE 2 AC2 6 HOH D 29 HOH D 30 CRYST1 63.839 50.976 113.746 90.00 104.47 90.00 P 1 21 1 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 0.015664 0.000000 0.004041 0.00000 SCALE2 0.000000 0.019617 0.000000 0.00000 SCALE3 0.000000 0.000000 0.009079 0.00000