PDB Short entry for 6J7Z HEADER HYDROLASE 18-JAN-19 6J7Z TITLE HUMAN MITOCHONDRIAL OLIGORIBONUCLEASE IN COMPLEX WITH RNA COMPND MOL_ID: 1; COMPND 2 MOLECULE: OLIGORIBONUCLEASE, MITOCHONDRIAL; COMPND 3 CHAIN: A, B; COMPND 4 SYNONYM: RNA EXONUCLEASE 2 HOMOLOG,SMALL FRAGMENT NUCLEASE; COMPND 5 EC: 3.1.-.-; COMPND 6 ENGINEERED: YES; COMPND 7 MUTATION: YES; COMPND 8 MOL_ID: 2; COMPND 9 MOLECULE: RNA (5'-R(P*UP*U)-3'); COMPND 10 CHAIN: C; COMPND 11 ENGINEERED: YES SOURCE MOL_ID: 1; SOURCE 2 ORGANISM_SCIENTIFIC: HOMO SAPIENS; SOURCE 3 ORGANISM_COMMON: HUMAN; SOURCE 4 ORGANISM_TAXID: 9606; SOURCE 5 GENE: REXO2, SFN, SMFN, CGI-114; SOURCE 6 EXPRESSION_SYSTEM: ESCHERICHIA COLI BL21(DE3); SOURCE 7 EXPRESSION_SYSTEM_TAXID: 469008; SOURCE 8 EXPRESSION_SYSTEM_STRAIN: BL21(DE3); SOURCE 9 MOL_ID: 2; SOURCE 10 SYNTHETIC: YES; SOURCE 11 ORGANISM_SCIENTIFIC: SYNTHETIC CONSTRUCT; SOURCE 12 ORGANISM_TAXID: 32630 KEYWDS EXORIBONUCLEASE, MITOCHONRIAL OLIGORIBONUCLEASE, HYDROLASE EXPDTA X-RAY DIFFRACTION AUTHOR L.Y.CHU,S.AGRAWAL,H.S.YUAN REVDAT 2 22-NOV-23 6J7Z 1 LINK REVDAT 1 28-AUG-19 6J7Z 0 JRNL AUTH L.Y.CHU,S.AGRAWAL,Y.P.CHEN,W.Z.YANG,H.S.YUAN JRNL TITL STRUCTURAL INSIGHTS INTO NANORNA DEGRADATION BY HUMAN REXO2. JRNL REF RNA V. 25 737 2019 JRNL REFN ESSN 1469-9001 JRNL PMID 30926754 JRNL DOI 10.1261/RNA.070557.119 REMARK 2 REMARK 2 RESOLUTION. 2.01 ANGSTROMS. REMARK 3 REMARK 3 REFINEMENT. REMARK 3 PROGRAM : PHENIX 1.13_2998 REMARK 3 AUTHORS : PAUL ADAMS,PAVEL AFONINE,VINCENT CHEN,IAN REMARK 3 : DAVIS,KRESHNA GOPAL,RALF GROSSE-KUNSTLEVE, REMARK 3 : LI-WEI HUNG,ROBERT IMMORMINO,TOM IOERGER, REMARK 3 : AIRLIE MCCOY,ERIK MCKEE,NIGEL MORIARTY, REMARK 3 : REETAL PAI,RANDY READ,JANE RICHARDSON, REMARK 3 : DAVID RICHARDSON,TOD ROMO,JIM SACCHETTINI, REMARK 3 : NICHOLAS SAUTER,JACOB SMITH,LAURENT REMARK 3 : STORONI,TOM TERWILLIGER,PETER ZWART REMARK 3 REMARK 3 REFINEMENT TARGET : NULL REMARK 3 REMARK 3 DATA USED IN REFINEMENT. REMARK 3 RESOLUTION RANGE HIGH (ANGSTROMS) : 2.01 REMARK 3 RESOLUTION RANGE LOW (ANGSTROMS) : 27.41 REMARK 3 MIN(FOBS/SIGMA_FOBS) : 1.350 REMARK 3 COMPLETENESS FOR RANGE (%) : 99.5 REMARK 3 NUMBER OF REFLECTIONS : 31521 REMARK 3 REMARK 3 FIT TO DATA USED IN REFINEMENT. REMARK 3 R VALUE (WORKING + TEST SET) : 0.207 REMARK 3 R VALUE (WORKING SET) : 0.206 REMARK 3 FREE R VALUE : 0.228 REMARK 3 FREE R VALUE TEST SET SIZE (%) : 6.340 REMARK 3 FREE R VALUE TEST SET COUNT : 2000 REMARK 3 REMARK 3 FIT TO DATA USED IN REFINEMENT (IN BINS). REMARK 3 BIN RESOLUTION RANGE COMPL. NWORK NFREE RWORK RFREE REMARK 3 1 27.4071 - 4.8247 0.96 2160 146 0.1987 0.2377 REMARK 3 2 4.8247 - 3.8329 1.00 2156 146 0.1670 0.1741 REMARK 3 3 3.8329 - 3.3494 1.00 2143 146 0.1870 0.1906 REMARK 3 4 3.3494 - 3.0436 1.00 2118 144 0.2186 0.2251 REMARK 3 5 3.0436 - 2.8256 1.00 2118 143 0.2250 0.2792 REMARK 3 6 2.8256 - 2.6592 1.00 2123 143 0.2328 0.2467 REMARK 3 7 2.6592 - 2.5261 1.00 2106 143 0.2286 0.2286 REMARK 3 8 2.5261 - 2.4162 1.00 2124 144 0.2283 0.2748 REMARK 3 9 2.4162 - 2.3233 1.00 2075 141 0.2306 0.2775 REMARK 3 10 2.3233 - 2.2431 1.00 2087 141 0.2287 0.2732 REMARK 3 11 2.2431 - 2.1730 1.00 2102 142 0.2256 0.2509 REMARK 3 12 2.1730 - 2.1109 1.00 2092 142 0.2331 0.2688 REMARK 3 13 2.1109 - 2.0554 1.00 2085 141 0.2349 0.2436 REMARK 3 14 2.0554 - 2.0052 0.97 2032 138 0.2367 0.2554 REMARK 3 REMARK 3 BULK SOLVENT MODELLING. REMARK 3 METHOD USED : NULL REMARK 3 SOLVENT RADIUS : 1.11 REMARK 3 SHRINKAGE RADIUS : 0.90 REMARK 3 K_SOL : NULL REMARK 3 B_SOL : NULL REMARK 3 REMARK 3 ERROR ESTIMATES. REMARK 3 COORDINATE ERROR (MAXIMUM-LIKELIHOOD BASED) : 0.180 REMARK 3 PHASE ERROR (DEGREES, MAXIMUM-LIKELIHOOD BASED) : 23.330 REMARK 3 REMARK 3 B VALUES. REMARK 3 FROM WILSON PLOT (A**2) : 33.37 REMARK 3 MEAN B VALUE (OVERALL, A**2) : 45.49 REMARK 3 OVERALL ANISOTROPIC B VALUE. REMARK 3 B11 (A**2) : NULL REMARK 3 B22 (A**2) : NULL REMARK 3 B33 (A**2) : NULL REMARK 3 B12 (A**2) : NULL REMARK 3 B13 (A**2) : NULL REMARK 3 B23 (A**2) : NULL REMARK 3 REMARK 3 TWINNING INFORMATION. REMARK 3 FRACTION: NULL REMARK 3 OPERATOR: NULL REMARK 3 REMARK 3 DEVIATIONS FROM IDEAL VALUES. REMARK 3 RMSD COUNT REMARK 3 BOND : NULL NULL REMARK 3 ANGLE : NULL NULL REMARK 3 CHIRALITY : NULL NULL REMARK 3 PLANARITY : NULL NULL REMARK 3 DIHEDRAL : NULL NULL REMARK 3 REMARK 3 TLS DETAILS REMARK 3 NUMBER OF TLS GROUPS : 1 REMARK 3 TLS GROUP : 1 REMARK 3 SELECTION: ALL REMARK 3 ORIGIN FOR THE GROUP (A): 30.1829 150.6185 -0.0866 REMARK 3 T TENSOR REMARK 3 T11: 0.2505 T22: 0.2225 REMARK 3 T33: 0.2004 T12: -0.0360 REMARK 3 T13: 0.0058 T23: 0.0277 REMARK 3 L TENSOR REMARK 3 L11: 2.3456 L22: 0.5207 REMARK 3 L33: 1.2479 L12: -0.3306 REMARK 3 L13: -0.5040 L23: 0.1412 REMARK 3 S TENSOR REMARK 3 S11: 0.0586 S12: -0.1442 S13: 0.2032 REMARK 3 S21: 0.0960 S22: 0.0184 S23: -0.1085 REMARK 3 S31: -0.2208 S32: 0.0775 S33: -0.0530 REMARK 3 REMARK 3 NCS DETAILS REMARK 3 NUMBER OF NCS GROUPS : NULL REMARK 3 REMARK 3 OTHER REFINEMENT REMARKS: NULL REMARK 4 REMARK 4 6J7Z COMPLIES WITH FORMAT V. 3.30, 13-JUL-11 REMARK 100 REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY PDBJ ON 30-JAN-19. REMARK 100 THE DEPOSITION ID IS D_1300010598. REMARK 200 REMARK 200 EXPERIMENTAL DETAILS REMARK 200 EXPERIMENT TYPE : X-RAY DIFFRACTION REMARK 200 DATE OF DATA COLLECTION : 11-SEP-16 REMARK 200 TEMPERATURE (KELVIN) : 100 REMARK 200 PH : NULL REMARK 200 NUMBER OF CRYSTALS USED : 1 REMARK 200 REMARK 200 SYNCHROTRON (Y/N) : Y REMARK 200 RADIATION SOURCE : NSRRC REMARK 200 BEAMLINE : BL15A1 REMARK 200 X-RAY GENERATOR MODEL : NULL REMARK 200 MONOCHROMATIC OR LAUE (M/L) : M REMARK 200 WAVELENGTH OR RANGE (A) : 1.0 REMARK 200 MONOCHROMATOR : NULL REMARK 200 OPTICS : NULL REMARK 200 REMARK 200 DETECTOR TYPE : CCD REMARK 200 DETECTOR MANUFACTURER : RAYONIX MX300HE REMARK 200 INTENSITY-INTEGRATION SOFTWARE : HKL-2000 REMARK 200 DATA SCALING SOFTWARE : SCALEPACK REMARK 200 REMARK 200 NUMBER OF UNIQUE REFLECTIONS : 31548 REMARK 200 RESOLUTION RANGE HIGH (A) : 2.000 REMARK 200 RESOLUTION RANGE LOW (A) : 50.000 REMARK 200 REJECTION CRITERIA (SIGMA(I)) : NULL REMARK 200 REMARK 200 OVERALL. REMARK 200 COMPLETENESS FOR RANGE (%) : 99.6 REMARK 200 DATA REDUNDANCY : 6.500 REMARK 200 R MERGE (I) : 0.07600 REMARK 200 R SYM (I) : NULL REMARK 200 <I/SIGMA(I)> FOR THE DATA SET : 17.1000 REMARK 200 REMARK 200 IN THE HIGHEST RESOLUTION SHELL. REMARK 200 HIGHEST RESOLUTION SHELL, RANGE HIGH (A) : 2.00 REMARK 200 HIGHEST RESOLUTION SHELL, RANGE LOW (A) : 2.03 REMARK 200 COMPLETENESS FOR SHELL (%) : 100.0 REMARK 200 DATA REDUNDANCY IN SHELL : 6.90 REMARK 200 R MERGE FOR SHELL (I) : 0.50800 REMARK 200 R SYM FOR SHELL (I) : NULL REMARK 200 <I/SIGMA(I)> FOR SHELL : NULL REMARK 200 REMARK 200 DIFFRACTION PROTOCOL: SINGLE WAVELENGTH REMARK 200 METHOD USED TO DETERMINE THE STRUCTURE: MOLECULAR REPLACEMENT REMARK 200 SOFTWARE USED: PHENIX REMARK 200 STARTING MODEL: 2IGI REMARK 200 REMARK 200 REMARK: NULL REMARK 280 REMARK 280 CRYSTAL REMARK 280 SOLVENT CONTENT, VS (%): 54.01 REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 2.67 REMARK 280 REMARK 280 CRYSTALLIZATION CONDITIONS: 0.2 M AMMONIUM CITRATE DIBASIC, 20% REMARK 280 W/V PEG 3350, VAPOR DIFFUSION, HANGING DROP, TEMPERATURE 298.15K REMARK 290 REMARK 290 CRYSTALLOGRAPHIC SYMMETRY REMARK 290 SYMMETRY OPERATORS FOR SPACE GROUP: C 2 2 21 REMARK 290 REMARK 290 SYMOP SYMMETRY REMARK 290 NNNMMM OPERATOR REMARK 290 1555 X,Y,Z REMARK 290 2555 -X,-Y,Z+1/2 REMARK 290 3555 -X,Y,-Z+1/2 REMARK 290 4555 X,-Y,-Z REMARK 290 5555 X+1/2,Y+1/2,Z REMARK 290 6555 -X+1/2,-Y+1/2,Z+1/2 REMARK 290 7555 -X+1/2,Y+1/2,-Z+1/2 REMARK 290 8555 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 0.00000 REMARK 290 SMTRY2 2 0.000000 -1.000000 0.000000 0.00000 REMARK 290 SMTRY3 2 0.000000 0.000000 1.000000 43.00400 REMARK 290 SMTRY1 3 -1.000000 0.000000 0.000000 0.00000 REMARK 290 SMTRY2 3 0.000000 1.000000 0.000000 0.00000 REMARK 290 SMTRY3 3 0.000000 0.000000 -1.000000 43.00400 REMARK 290 SMTRY1 4 1.000000 0.000000 0.000000 0.00000 REMARK 290 SMTRY2 4 0.000000 -1.000000 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 43.09600 REMARK 290 SMTRY2 5 0.000000 1.000000 0.000000 62.94600 REMARK 290 SMTRY3 5 0.000000 0.000000 1.000000 0.00000 REMARK 290 SMTRY1 6 -1.000000 0.000000 0.000000 43.09600 REMARK 290 SMTRY2 6 0.000000 -1.000000 0.000000 62.94600 REMARK 290 SMTRY3 6 0.000000 0.000000 1.000000 43.00400 REMARK 290 SMTRY1 7 -1.000000 0.000000 0.000000 43.09600 REMARK 290 SMTRY2 7 0.000000 1.000000 0.000000 62.94600 REMARK 290 SMTRY3 7 0.000000 0.000000 -1.000000 43.00400 REMARK 290 SMTRY1 8 1.000000 0.000000 0.000000 43.09600 REMARK 290 SMTRY2 8 0.000000 -1.000000 0.000000 62.94600 REMARK 290 SMTRY3 8 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: TRIMERIC REMARK 350 SOFTWARE DETERMINED QUATERNARY STRUCTURE: TRIMERIC REMARK 350 SOFTWARE USED: PISA REMARK 350 TOTAL BURIED SURFACE AREA: 4860 ANGSTROM**2 REMARK 350 SURFACE AREA OF THE COMPLEX: 14450 ANGSTROM**2 REMARK 350 CHANGE IN SOLVENT FREE ENERGY: -38.0 KCAL/MOL 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 375 REMARK 375 SPECIAL POSITION REMARK 375 THE FOLLOWING ATOMS ARE FOUND TO BE WITHIN 0.15 ANGSTROMS REMARK 375 OF A SYMMETRY RELATED ATOM AND ARE ASSUMED TO BE ON SPECIAL REMARK 375 POSITIONS. REMARK 375 REMARK 375 ATOM RES CSSEQI REMARK 375 HOH A 454 LIES ON A SPECIAL POSITION. 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 THR A 51 REMARK 465 GLY A 52 REMARK 465 LEU A 53 REMARK 465 ASP A 54 REMARK 465 ILE A 55 REMARK 465 GLU A 56 REMARK 465 LYS A 57 REMARK 465 ASP A 58 REMARK 465 GLN A 59 REMARK 465 GLN A 85 REMARK 465 PRO A 86 REMARK 465 ASP A 87 REMARK 465 GLU A 88 REMARK 465 LEU A 89 REMARK 465 LEU A 90 REMARK 465 ASP A 91 REMARK 465 SER A 92 REMARK 465 MET A 93 REMARK 465 SER A 94 REMARK 465 ASP A 95 REMARK 465 TRP A 96 REMARK 465 CYS A 97 REMARK 465 LYS A 98 REMARK 465 GLU A 99 REMARK 465 HIS A 100 REMARK 465 HIS A 101 REMARK 465 GLY A 102 REMARK 465 LYS A 103 REMARK 465 SER A 104 REMARK 465 GLY A 105 REMARK 465 LEU A 106 REMARK 465 THR A 107 REMARK 465 LYS A 108 REMARK 465 ALA A 109 REMARK 465 VAL A 110 REMARK 465 LYS A 111 REMARK 465 GLU A 112 REMARK 465 SER A 113 REMARK 465 LYS A 190 REMARK 465 ALA A 191 REMARK 465 ALA A 192 REMARK 465 LYS A 218 REMARK 465 MET B 33 REMARK 465 ALA B 34 REMARK 465 ALA B 35 REMARK 465 GLY B 36 REMARK 465 GLU B 37 REMARK 465 LYS B 189 REMARK 465 LYS B 190 REMARK 465 ALA B 191 REMARK 465 ALA B 192 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 B 302 MG REMARK 620 N RES CSSEQI ATOM REMARK 620 1 ASP B 47 OD1 REMARK 620 2 HOH C 103 O 163.3 REMARK 620 N 1 REMARK 620 REMARK 620 COORDINATION ANGLES FOR: M RES CSSEQI METAL REMARK 620 MG B 301 MG REMARK 620 N RES CSSEQI ATOM REMARK 620 1 GLU B 49 OE2 REMARK 620 2 HOH B 455 O 133.2 REMARK 620 3 U C 12 OP1 109.9 115.2 REMARK 620 N 1 2 REMARK 800 REMARK 800 SITE REMARK 800 SITE_IDENTIFIER: AC1 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: binding site for residue CIT A 301 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC2 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: binding site for residue MG B 301 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC3 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: binding site for residue MG B 302 DBREF 6J7Z A 33 218 UNP Q9Y3B8 ORN_HUMAN 33 218 DBREF 6J7Z B 33 218 UNP Q9Y3B8 ORN_HUMAN 33 218 DBREF 6J7Z C 11 12 PDB 6J7Z 6J7Z 11 12 SEQADV 6J7Z ALA A 199 UNP Q9Y3B8 ASP 199 ENGINEERED MUTATION SEQADV 6J7Z ALA B 199 UNP Q9Y3B8 ASP 199 ENGINEERED MUTATION SEQRES 1 A 186 MET ALA ALA GLY GLU SER MET ALA GLN ARG MET VAL TRP SEQRES 2 A 186 VAL ASP LEU GLU MET THR GLY LEU ASP ILE GLU LYS ASP SEQRES 3 A 186 GLN ILE ILE GLU MET ALA CYS LEU ILE THR ASP SER ASP SEQRES 4 A 186 LEU ASN ILE LEU ALA GLU GLY PRO ASN LEU ILE ILE LYS SEQRES 5 A 186 GLN PRO ASP GLU LEU LEU ASP SER MET SER ASP TRP CYS SEQRES 6 A 186 LYS GLU HIS HIS GLY LYS SER GLY LEU THR LYS ALA VAL SEQRES 7 A 186 LYS GLU SER THR ILE THR LEU GLN GLN ALA GLU TYR GLU SEQRES 8 A 186 PHE LEU SER PHE VAL ARG GLN GLN THR PRO PRO GLY LEU SEQRES 9 A 186 CYS PRO LEU ALA GLY ASN SER VAL HIS GLU ASP LYS LYS SEQRES 10 A 186 PHE LEU ASP LYS TYR MET PRO GLN PHE MET LYS HIS LEU SEQRES 11 A 186 HIS TYR ARG ILE ILE ASP VAL SER THR VAL LYS GLU LEU SEQRES 12 A 186 CYS ARG ARG TRP TYR PRO GLU GLU TYR GLU PHE ALA PRO SEQRES 13 A 186 LYS LYS ALA ALA SER HIS ARG ALA LEU ASP ALA ILE SER SEQRES 14 A 186 GLU SER ILE LYS GLU LEU GLN PHE TYR ARG ASN ASN ILE SEQRES 15 A 186 PHE LYS LYS LYS SEQRES 1 B 186 MET ALA ALA GLY GLU SER MET ALA GLN ARG MET VAL TRP SEQRES 2 B 186 VAL ASP LEU GLU MET THR GLY LEU ASP ILE GLU LYS ASP SEQRES 3 B 186 GLN ILE ILE GLU MET ALA CYS LEU ILE THR ASP SER ASP SEQRES 4 B 186 LEU ASN ILE LEU ALA GLU GLY PRO ASN LEU ILE ILE LYS SEQRES 5 B 186 GLN PRO ASP GLU LEU LEU ASP SER MET SER ASP TRP CYS SEQRES 6 B 186 LYS GLU HIS HIS GLY LYS SER GLY LEU THR LYS ALA VAL SEQRES 7 B 186 LYS GLU SER THR ILE THR LEU GLN GLN ALA GLU TYR GLU SEQRES 8 B 186 PHE LEU SER PHE VAL ARG GLN GLN THR PRO PRO GLY LEU SEQRES 9 B 186 CYS PRO LEU ALA GLY ASN SER VAL HIS GLU ASP LYS LYS SEQRES 10 B 186 PHE LEU ASP LYS TYR MET PRO GLN PHE MET LYS HIS LEU SEQRES 11 B 186 HIS TYR ARG ILE ILE ASP VAL SER THR VAL LYS GLU LEU SEQRES 12 B 186 CYS ARG ARG TRP TYR PRO GLU GLU TYR GLU PHE ALA PRO SEQRES 13 B 186 LYS LYS ALA ALA SER HIS ARG ALA LEU ASP ALA ILE SER SEQRES 14 B 186 GLU SER ILE LYS GLU LEU GLN PHE TYR ARG ASN ASN ILE SEQRES 15 B 186 PHE LYS LYS LYS SEQRES 1 C 2 U U HET CIT A 301 13 HET MG B 301 1 HET MG B 302 1 HETNAM CIT CITRIC ACID HETNAM MG MAGNESIUM ION FORMUL 4 CIT C6 H8 O7 FORMUL 5 MG 2(MG 2+) FORMUL 7 HOH *124(H2 O) HELIX 1 AA1 GLY A 36 GLN A 41 1 6 HELIX 2 AA2 THR A 116 THR A 132 1 17 HELIX 3 AA3 VAL A 144 MET A 155 1 12 HELIX 4 AA4 MET A 155 HIS A 161 1 7 HELIX 5 AA5 VAL A 169 TYR A 180 1 12 HELIX 6 AA6 TYR A 180 GLU A 185 1 6 HELIX 7 AA7 ARG A 195 PHE A 215 1 21 HELIX 8 AA8 SER B 38 ARG B 42 5 5 HELIX 9 AA9 PRO B 86 SER B 92 1 7 HELIX 10 AB1 SER B 94 SER B 104 1 11 HELIX 11 AB2 GLY B 105 SER B 113 1 9 HELIX 12 AB3 THR B 116 THR B 132 1 17 HELIX 13 AB4 VAL B 144 MET B 155 1 12 HELIX 14 AB5 MET B 155 HIS B 161 1 7 HELIX 15 AB6 VAL B 169 TYR B 180 1 12 HELIX 16 AB7 TYR B 180 PHE B 186 1 7 HELIX 17 AB8 ARG B 195 PHE B 215 1 21 SHEET 1 AA1 5 ILE A 74 ILE A 83 0 SHEET 2 AA1 5 ILE A 61 THR A 68 -1 N ILE A 67 O LEU A 75 SHEET 3 AA1 5 MET A 43 GLU A 49 -1 N GLU A 49 O GLU A 62 SHEET 4 AA1 5 LEU A 139 GLY A 141 1 O ALA A 140 N VAL A 46 SHEET 5 AA1 5 ILE A 166 ASP A 168 1 O ILE A 167 N LEU A 139 SHEET 1 AA2 5 ILE B 74 ILE B 82 0 SHEET 2 AA2 5 ILE B 60 THR B 68 -1 N ILE B 67 O LEU B 75 SHEET 3 AA2 5 MET B 43 MET B 50 -1 N GLU B 49 O ILE B 61 SHEET 4 AA2 5 LEU B 139 GLY B 141 1 O ALA B 140 N VAL B 46 SHEET 5 AA2 5 ILE B 166 ASP B 168 1 O ILE B 167 N LEU B 139 LINK OD1 ASP B 47 MG MG B 302 1555 1555 2.90 LINK OE2 GLU B 49 MG MG B 301 1555 1555 2.38 LINK MG MG B 301 O HOH B 455 1555 1555 2.89 LINK MG MG B 301 OP1 U C 12 1555 1555 2.44 LINK MG MG B 302 O HOH C 103 1555 1555 2.87 SITE 1 AC1 8 LEU A 125 ARG A 129 GLN A 157 LYS A 160 SITE 2 AC1 8 HIS A 161 LEU B 75 ALA B 76 GLU B 77 SITE 1 AC2 5 ASP B 47 GLU B 49 HIS B 194 HOH B 455 SITE 2 AC2 5 U C 12 SITE 1 AC3 4 ASP B 47 U C 11 U C 12 HOH C 103 CRYST1 86.192 125.892 86.008 90.00 90.00 90.00 C 2 2 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 0.011602 0.000000 0.000000 0.00000 SCALE2 0.000000 0.007943 0.000000 0.00000 SCALE3 0.000000 0.000000 0.011627 0.00000