HEADER HYDROLASE/RNA 25-FEB-05 1YYK TITLE CRYSTAL STRUCTURE OF RNASE III FROM AQUIFEX AEOLICUS COMPLEXED WITH TITLE 2 DOUBLE-STRANDED RNA AT 2.5-ANGSTROM RESOLUTION COMPND MOL_ID: 1; COMPND 2 MOLECULE: 5'-R(*CP*GP*CP*GP*AP*AP*UP*UP*CP*GP*CP*G)-3'; COMPND 3 CHAIN: C, D, E, F; 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 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, DOUBLE-STRANDED RNA, RNA INTERFERENCE, KEYWDS 2 ENDONUCLEOLYTIC CLEAVAGE, HYDROLASE-RNA COMPLEX EXPDTA X-RAY DIFFRACTION AUTHOR J.GAN,J.E.TROPEA,B.P.AUSTIN,D.L.COURT,D.S.WAUGH,X.JI REVDAT 4 25-OCT-23 1YYK 1 REMARK REVDAT 3 30-AUG-23 1YYK 1 AUTHOR JRNL REMARK REVDAT 2 24-FEB-09 1YYK 1 VERSN REVDAT 1 22-NOV-05 1YYK 0 JRNL AUTH J.GAN,J.E.TROPEA,B.P.AUSTIN,D.L.COURT,D.S.WAUGH,X.JI JRNL TITL INTERMEDIATE STATES OF RIBONUCLEASE III IN COMPLEX WITH JRNL TITL 2 DOUBLE-STRANDED RNA JRNL REF STRUCTURE V. 13 1435 2005 JRNL REFN ISSN 0969-2126 JRNL PMID 16216575 JRNL DOI 10.1016/J.STR.2005.06.014 REMARK 2 REMARK 2 RESOLUTION. 2.50 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) : 2.50 REMARK 3 RESOLUTION RANGE LOW (ANGSTROMS) : 29.08 REMARK 3 DATA CUTOFF (SIGMA(F)) : 0.000 REMARK 3 DATA CUTOFF HIGH (ABS(F)) : 546018.760 REMARK 3 DATA CUTOFF LOW (ABS(F)) : 0.0000 REMARK 3 COMPLETENESS (WORKING+TEST) (%) : 88.0 REMARK 3 NUMBER OF REFLECTIONS : 21859 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) : 0.226 REMARK 3 FREE R VALUE : 0.296 REMARK 3 FREE R VALUE TEST SET SIZE (%) : 5.900 REMARK 3 FREE R VALUE TEST SET COUNT : 1280 REMARK 3 ESTIMATED ERROR OF FREE R VALUE : 0.008 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) : 2.50 REMARK 3 BIN RESOLUTION RANGE LOW (A) : 2.66 REMARK 3 BIN COMPLETENESS (WORKING+TEST) (%) : 57.00 REMARK 3 REFLECTIONS IN BIN (WORKING SET) : 2170 REMARK 3 BIN R VALUE (WORKING SET) : 0.4100 REMARK 3 BIN FREE R VALUE : 0.5090 REMARK 3 BIN FREE R VALUE TEST SET SIZE (%) : 6.10 REMARK 3 BIN FREE R VALUE TEST SET COUNT : 140 REMARK 3 ESTIMATED ERROR OF BIN FREE R VALUE : 0.043 REMARK 3 REMARK 3 NUMBER OF NON-HYDROGEN ATOMS USED IN REFINEMENT. REMARK 3 PROTEIN ATOMS : 3694 REMARK 3 NUCLEIC ACID ATOMS : 1012 REMARK 3 HETEROGEN ATOMS : 8 REMARK 3 SOLVENT ATOMS : 188 REMARK 3 REMARK 3 B VALUES. REMARK 3 FROM WILSON PLOT (A**2) : 56.60 REMARK 3 MEAN B VALUE (OVERALL, A**2) : 62.80 REMARK 3 OVERALL ANISOTROPIC B VALUE. REMARK 3 B11 (A**2) : 1.19000 REMARK 3 B22 (A**2) : -6.22000 REMARK 3 B33 (A**2) : 5.04000 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) : 0.37 REMARK 3 ESD FROM SIGMAA (A) : 0.51 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) : 0.52 REMARK 3 ESD FROM C-V SIGMAA (A) : 0.55 REMARK 3 REMARK 3 RMS DEVIATIONS FROM IDEAL VALUES. REMARK 3 BOND LENGTHS (A) : 0.006 REMARK 3 BOND ANGLES (DEGREES) : 1.000 REMARK 3 DIHEDRAL ANGLES (DEGREES) : 17.90 REMARK 3 IMPROPER ANGLES (DEGREES) : 0.920 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) : 3.720 ; 1.500 REMARK 3 MAIN-CHAIN ANGLE (A**2) : 5.660 ; 2.000 REMARK 3 SIDE-CHAIN BOND (A**2) : 5.770 ; 2.000 REMARK 3 SIDE-CHAIN ANGLE (A**2) : 8.350 ; 2.500 REMARK 3 REMARK 3 BULK SOLVENT MODELING. REMARK 3 METHOD USED : FLAT MODEL REMARK 3 KSOL : 0.25 REMARK 3 BSOL : 23.70 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 : TRIS.PARAM REMARK 3 PARAMETER FILE 6 : 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 : TRIS.TOP REMARK 3 TOPOLOGY FILE 6 : NULL REMARK 3 REMARK 3 OTHER REFINEMENT REMARKS: NULL REMARK 4 REMARK 4 1YYK COMPLIES WITH FORMAT V. 3.30, 13-JUL-11 REMARK 100 REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY PDBJ ON 01-MAR-05. REMARK 100 THE DEPOSITION ID IS D_1000032074. REMARK 200 REMARK 200 EXPERIMENTAL DETAILS REMARK 200 EXPERIMENT TYPE : X-RAY DIFFRACTION REMARK 200 DATE OF DATA COLLECTION : 14-DEC-03 REMARK 200 TEMPERATURE (KELVIN) : 100 REMARK 200 PH : 7.2 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) : 1.000 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 : 21859 REMARK 200 RESOLUTION RANGE HIGH (A) : 2.500 REMARK 200 RESOLUTION RANGE LOW (A) : 29.080 REMARK 200 REJECTION CRITERIA (SIGMA(I)) : 0.000 REMARK 200 REMARK 200 OVERALL. REMARK 200 COMPLETENESS FOR RANGE (%) : 88.0 REMARK 200 DATA REDUNDANCY : 4.800 REMARK 200 R MERGE (I) : 0.14800 REMARK 200 R SYM (I) : NULL REMARK 200 <I/SIGMA(I)> FOR THE DATA SET : 9.1000 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) : 2.66 REMARK 200 COMPLETENESS FOR SHELL (%) : 57.0 REMARK 200 DATA REDUNDANCY IN SHELL : 1.60 REMARK 200 R MERGE FOR SHELL (I) : 0.36700 REMARK 200 R SYM FOR SHELL (I) : NULL REMARK 200 <I/SIGMA(I)> FOR SHELL : 1.100 REMARK 200 REMARK 200 DIFFRACTION PROTOCOL: SINGLE WAVELENGTH REMARK 200 METHOD USED TO DETERMINE THE STRUCTURE: MOLECULAR REPLACEMENT REMARK 200 SOFTWARE USED: AMORE REMARK 200 STARTING MODEL: PDB 1I4S REMARK 200 REMARK 200 REMARK: NULL REMARK 280 REMARK 280 CRYSTAL REMARK 280 SOLVENT CONTENT, VS (%): 55.50 REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 2.57 REMARK 280 REMARK 280 CRYSTALLIZATION CONDITIONS: MAGNESIUM FORMATE, PEG3350, PH 7.2, REMARK 280 VAPOR DIFFUSION, HANGING DROP, TEMPERATURE 292K 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 42.63500 REMARK 290 SMTRY2 2 0.000000 -1.000000 0.000000 0.00000 REMARK 290 SMTRY3 2 0.000000 0.000000 1.000000 65.87500 REMARK 290 SMTRY1 3 -1.000000 0.000000 0.000000 0.00000 REMARK 290 SMTRY2 3 0.000000 1.000000 0.000000 30.97500 REMARK 290 SMTRY3 3 0.000000 0.000000 -1.000000 65.87500 REMARK 290 SMTRY1 4 1.000000 0.000000 0.000000 42.63500 REMARK 290 SMTRY2 4 0.000000 -1.000000 0.000000 30.97500 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 AUTHOR DETERMINED BIOLOGICAL UNIT: HEXAMERIC REMARK 350 APPLY THE FOLLOWING TO CHAINS: C, D, E, F, 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 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 2 164.60 -47.12 REMARK 500 SER A 29 17.10 -62.94 REMARK 500 TYR A 30 -43.37 -144.78 REMARK 500 GLU A 34 43.71 -147.02 REMARK 500 HIS A 90 22.96 -67.44 REMARK 500 LYS A 96 86.30 -58.70 REMARK 500 ARG A 97 100.74 -29.82 REMARK 500 LYS A 99 -17.42 -164.87 REMARK 500 ILE A 100 108.63 -54.92 REMARK 500 ASN A 101 -163.66 -123.66 REMARK 500 LYS A 181 56.76 -150.77 REMARK 500 LYS A 191 -90.38 61.69 REMARK 500 SER A 220 -145.26 -160.36 REMARK 500 VAL B 148 -161.04 -108.12 REMARK 500 LYS B 181 68.20 -119.87 REMARK 500 LYS B 191 -108.99 62.45 REMARK 500 SER B 220 26.82 -72.73 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 TRS E 201 REMARK 900 REMARK 900 RELATED ENTRIES REMARK 900 RELATED ID: 1I4S RELATED DB: PDB REMARK 900 THE CRYSTAL STRUCTURE OF RNASE III ENDONUCLEASE DOMAIN FROM AQUIFEX REMARK 900 AEOLICUS 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: 1RC5 RELATED DB: PDB REMARK 900 THE CRYSTAL STRUCTURE OF A MG(II) COMPLEX OF RNASE III ENDONUCLEASE REMARK 900 DOMAIN FROM AQUIFEX AEOLICUS REMARK 900 RELATED ID: 1RC7 RELATED DB: PDB REMARK 900 CRYSTAL STRUCTURE OF RNASE III MUTANT E110K FROM AQUIFEX AEOLICUS REMARK 900 COMPLEXED WITH DOUBLE-STRANDED RNA REMARK 900 RELATED ID: 1YYO RELATED DB: PDB REMARK 900 THE SAME PROTEIN WITH MUTANT E110K REMARK 900 RELATED ID: 1YYW RELATED DB: PDB REMARK 900 THE SAME PROTEIN AT 2.8-ANGSTROM RESOLUTION REMARK 900 RELATED ID: 1YZ9 RELATED DB: PDB REMARK 900 THE SAME PROTEIN WITH MUTANT E110Q DBREF 1YYK A 1 221 UNP O67082 RNC_AQUAE 1 221 DBREF 1YYK B 1 221 UNP O67082 RNC_AQUAE 1 221 DBREF 1YYK C 1 12 PDB 1YYK 1YYK 1 12 DBREF 1YYK D 13 24 PDB 1YYK 1YYK 13 24 DBREF 1YYK E 1 12 PDB 1YYK 1YYK 1 12 DBREF 1YYK F 13 24 PDB 1YYK 1YYK 13 24 SEQRES 1 C 12 C G C G A A U U C G C G SEQRES 1 D 12 C G C G A A U U C G C G SEQRES 1 E 12 C G C G A A U U C G C G SEQRES 1 F 12 C G C G A A U U C G C G 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 ASP 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 ASP 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 TRS E 201 8 HETNAM TRS 2-AMINO-2-HYDROXYMETHYL-PROPANE-1,3-DIOL HETSYN TRS TRIS BUFFER FORMUL 7 TRS C4 H12 N O3 1+ FORMUL 8 HOH *188(H2 O) HELIX 1 1 LYS A 2 GLY A 12 1 11 HELIX 2 2 ASP A 17 LEU A 25 1 9 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 LEU A 87 5 2 HELIX 7 7 GLU A 88 PHE A 92 5 5 HELIX 8 8 ASN A 101 SER A 120 1 20 HELIX 9 9 ASP A 123 GLY A 146 1 24 HELIX 10 10 ASP A 151 TRP A 164 1 14 HELIX 11 11 SER A 201 LEU A 217 1 17 HELIX 12 12 MET B 1 GLY B 12 1 12 HELIX 13 13 ASP B 17 THR B 26 1 10 HELIX 14 14 TYR B 36 SER B 59 1 24 HELIX 15 15 ARG B 63 ILE B 75 1 13 HELIX 16 16 SER B 76 GLN B 85 1 10 HELIX 17 17 GLU B 88 ILE B 93 1 6 HELIX 18 18 ASN B 101 SER B 120 1 20 HELIX 19 19 ASP B 123 GLU B 145 1 23 HELIX 20 20 ASP B 151 LYS B 165 1 15 HELIX 21 21 SER B 201 SER B 220 1 20 SHEET 1 A 3 GLU A 169 GLU A 176 0 SHEET 2 A 3 LYS A 183 ILE A 190 -1 O GLU A 187 N ARG A 171 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 LYS B 189 N GLU B 169 SHEET 3 B 3 TYR B 193 GLY B 199 -1 O GLY B 199 N PHE B 184 SITE 1 AC1 4 G E 4 A E 5 HOH E 118 HOH E 177 CRYST1 85.270 61.950 131.750 90.00 90.00 90.00 P 21 21 21 16 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 0.011727 0.000000 0.000000 0.00000 SCALE2 0.000000 0.016142 0.000000 0.00000 SCALE3 0.000000 0.000000 0.007590 0.00000