HEADER HYDROLASE 20-SEP-10 3OWV TITLE STRUCTURAL INSIGHTS INTO CATALYTIC AND SUBSTRATE BINDING MECHANISMS OF TITLE 2 THE STRATEGIC ENDA NUCLEASE FROM STREPTOCOCCUS PNEUMONIAE COMPND MOL_ID: 1; COMPND 2 MOLECULE: DNA-ENTRY NUCLEASE; COMPND 3 CHAIN: A, B; COMPND 4 FRAGMENT: UNP RESIDUES 31 TO 274; COMPND 5 SYNONYM: COMPETENCE-SPECIFIC NUCLEASE; COMPND 6 EC: 3.1.30.-; COMPND 7 ENGINEERED: YES; COMPND 8 MUTATION: YES SOURCE MOL_ID: 1; SOURCE 2 ORGANISM_SCIENTIFIC: STREPTOCOCCUS PNEUMONIAE; SOURCE 3 ORGANISM_TAXID: 1313; SOURCE 4 STRAIN: TIGR4; SOURCE 5 GENE: ENDA, SP_1964; SOURCE 6 EXPRESSION_SYSTEM: ESCHERICHIA COLI; SOURCE 7 EXPRESSION_SYSTEM_TAXID: 562; SOURCE 8 EXPRESSION_SYSTEM_PLASMID: PET30M KEYWDS SEQUENCE NONSPECIFIC ENDONUCLEASE, HYDROLASE EXPDTA X-RAY DIFFRACTION AUTHOR A.F.MOON,M.MIDON,G.MEISS,A.M.PINGOUD,R.E.LONDON,L.C.PEDERSEN REVDAT 5 03-APR-24 3OWV 1 REMARK REVDAT 4 21-FEB-24 3OWV 1 REMARK SEQADV LINK REVDAT 3 08-NOV-17 3OWV 1 REMARK REVDAT 2 27-APR-11 3OWV 1 JRNL REVDAT 1 22-DEC-10 3OWV 0 JRNL AUTH A.F.MOON,M.MIDON,G.MEISS,A.PINGOUD,R.E.LONDON,L.C.PEDERSEN JRNL TITL STRUCTURAL INSIGHTS INTO CATALYTIC AND SUBSTRATE BINDING JRNL TITL 2 MECHANISMS OF THE STRATEGIC ENDA NUCLEASE FROM STREPTOCOCCUS JRNL TITL 3 PNEUMONIAE. JRNL REF NUCLEIC ACIDS RES. V. 39 2943 2011 JRNL REFN ISSN 0305-1048 JRNL PMID 21113026 JRNL DOI 10.1093/NAR/GKQ1152 REMARK 2 REMARK 2 RESOLUTION. 1.75 ANGSTROMS. REMARK 3 REMARK 3 REFINEMENT. REMARK 3 PROGRAM : CNS 1.2 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) : 1.75 REMARK 3 RESOLUTION RANGE LOW (ANGSTROMS) : 37.97 REMARK 3 DATA CUTOFF (SIGMA(F)) : 0.000 REMARK 3 DATA CUTOFF HIGH (ABS(F)) : 91449.580 REMARK 3 DATA CUTOFF LOW (ABS(F)) : 0.0000 REMARK 3 COMPLETENESS (WORKING+TEST) (%) : 94.7 REMARK 3 NUMBER OF REFLECTIONS : 45460 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) : 0.195 REMARK 3 FREE R VALUE : 0.217 REMARK 3 FREE R VALUE TEST SET SIZE (%) : 4.300 REMARK 3 FREE R VALUE TEST SET COUNT : 1962 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) : 1.75 REMARK 3 BIN RESOLUTION RANGE LOW (A) : 1.86 REMARK 3 BIN COMPLETENESS (WORKING+TEST) (%) : 74.10 REMARK 3 REFLECTIONS IN BIN (WORKING SET) : 5593 REMARK 3 BIN R VALUE (WORKING SET) : 0.2480 REMARK 3 BIN FREE R VALUE : 0.2800 REMARK 3 BIN FREE R VALUE TEST SET SIZE (%) : 4.40 REMARK 3 BIN FREE R VALUE TEST SET COUNT : 256 REMARK 3 ESTIMATED ERROR OF BIN FREE R VALUE : 0.017 REMARK 3 REMARK 3 NUMBER OF NON-HYDROGEN ATOMS USED IN REFINEMENT. REMARK 3 PROTEIN ATOMS : 3337 REMARK 3 NUCLEIC ACID ATOMS : 0 REMARK 3 HETEROGEN ATOMS : 7 REMARK 3 SOLVENT ATOMS : 495 REMARK 3 REMARK 3 B VALUES. REMARK 3 FROM WILSON PLOT (A**2) : 17.80 REMARK 3 MEAN B VALUE (OVERALL, A**2) : 23.30 REMARK 3 OVERALL ANISOTROPIC B VALUE. REMARK 3 B11 (A**2) : -5.55000 REMARK 3 B22 (A**2) : -2.71000 REMARK 3 B33 (A**2) : 8.27000 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) : 0.19 REMARK 3 ESD FROM SIGMAA (A) : 0.15 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) : 0.23 REMARK 3 ESD FROM C-V SIGMAA (A) : 0.18 REMARK 3 REMARK 3 RMS DEVIATIONS FROM IDEAL VALUES. REMARK 3 BOND LENGTHS (A) : 0.004 REMARK 3 BOND ANGLES (DEGREES) : 1.200 REMARK 3 DIHEDRAL ANGLES (DEGREES) : 25.00 REMARK 3 IMPROPER ANGLES (DEGREES) : 0.680 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) : 1.210 ; 1.500 REMARK 3 MAIN-CHAIN ANGLE (A**2) : 1.830 ; 2.000 REMARK 3 SIDE-CHAIN BOND (A**2) : 3.830 ; 2.000 REMARK 3 SIDE-CHAIN ANGLE (A**2) : 4.680 ; 2.500 REMARK 3 REMARK 3 BULK SOLVENT MODELING. REMARK 3 METHOD USED : FLAT MODEL REMARK 3 KSOL : 0.35 REMARK 3 BSOL : 50.07 REMARK 3 REMARK 3 NCS MODEL : NONE 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 : ION.PARAM REMARK 3 PARAMETER FILE 3 : WATER_REP.PARAM REMARK 3 PARAMETER FILE 4 : NULL REMARK 3 PARAMETER FILE 5 : NULL REMARK 3 TOPOLOGY FILE 1 : PROTEIN.TOP REMARK 3 TOPOLOGY FILE 2 : PROTEIN.LINK REMARK 3 TOPOLOGY FILE 3 : WATER.TOP REMARK 3 TOPOLOGY FILE 4 : ION.TOP REMARK 3 TOPOLOGY FILE 5 : NULL REMARK 3 REMARK 3 OTHER REFINEMENT REMARKS: BULK SOLVENT MODEL USED REMARK 4 REMARK 4 3OWV COMPLIES WITH FORMAT V. 3.30, 13-JUL-11 REMARK 100 REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY RCSB ON 21-SEP-10. REMARK 100 THE DEPOSITION ID IS D_1000061672. REMARK 200 REMARK 200 EXPERIMENTAL DETAILS REMARK 200 EXPERIMENT TYPE : X-RAY DIFFRACTION REMARK 200 DATE OF DATA COLLECTION : 10-DEC-09 REMARK 200 TEMPERATURE (KELVIN) : 93 REMARK 200 PH : 7 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) : 0.94 REMARK 200 MONOCHROMATOR : DOUBLE CRYSTAL MONOCHROMETER SI REMARK 200 -220 REMARK 200 OPTICS : NULL REMARK 200 REMARK 200 DETECTOR TYPE : CCD REMARK 200 DETECTOR MANUFACTURER : MARMOSAIC 225 MM CCD REMARK 200 INTENSITY-INTEGRATION SOFTWARE : HKL-2000 REMARK 200 DATA SCALING SOFTWARE : HKL-2000 REMARK 200 REMARK 200 NUMBER OF UNIQUE REFLECTIONS : 46402 REMARK 200 RESOLUTION RANGE HIGH (A) : 1.750 REMARK 200 RESOLUTION RANGE LOW (A) : 50.000 REMARK 200 REJECTION CRITERIA (SIGMA(I)) : -3.000 REMARK 200 REMARK 200 OVERALL. REMARK 200 COMPLETENESS FOR RANGE (%) : 96.8 REMARK 200 DATA REDUNDANCY : 13.60 REMARK 200 R MERGE (I) : NULL REMARK 200 R SYM (I) : 0.09700 REMARK 200 FOR THE DATA SET : 26.5000 REMARK 200 REMARK 200 IN THE HIGHEST RESOLUTION SHELL. REMARK 200 HIGHEST RESOLUTION SHELL, RANGE HIGH (A) : 1.75 REMARK 200 HIGHEST RESOLUTION SHELL, RANGE LOW (A) : 1.78 REMARK 200 COMPLETENESS FOR SHELL (%) : 68.7 REMARK 200 DATA REDUNDANCY IN SHELL : 7.20 REMARK 200 R MERGE FOR SHELL (I) : NULL REMARK 200 R SYM FOR SHELL (I) : 0.37100 REMARK 200 FOR SHELL : 3.560 REMARK 200 REMARK 200 DIFFRACTION PROTOCOL: SINGLE WAVELENGTH REMARK 200 METHOD USED TO DETERMINE THE STRUCTURE: MOLECULAR REPLACEMENT REMARK 200 SOFTWARE USED: AUTOBUILD REMARK 200 STARTING MODEL: INCOMPLETE MANUALLY BUILT MODEL OF ENDA FROM A LOW REMARK 200 RESOLUTION INCOMPLETELY REFINED DATA SET FROM AN MBP-ENDA FUSION REMARK 200 PROTEIN REMARK 200 REMARK 200 REMARK: NULL REMARK 280 REMARK 280 CRYSTAL REMARK 280 SOLVENT CONTENT, VS (%): 43.72 REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 2.19 REMARK 280 REMARK 280 CRYSTALLIZATION CONDITIONS: CRYSTALLIZATION SOLUTION CONTAINED REMARK 280 0.1M TRIS PH 7, 17% PEG8000, AND 0.2M MGCL2. THE CRYSTAL WAS REMARK 280 TRANSFERRED TO A HANGING DROP CONTAINING 0.1M TRIS PH 7, 75MM REMARK 280 MACL, 0.2M MGCL2, AND 20% PEG800, WHICH WAS THEN PLACED OVER A REMARK 280 VAPOR DIFFUSION CHAMBER CONTAINING A SITTING DROP BRIDGE WITH 25% REMARK 280 GLUTARALDEHYDE. THE CRYSTAL WAS CROSS-LINKED FOR 8 MINUTES AT REMARK 280 ROOM TEMPERATURE, THEN TRANSFERRED TO A SOAKING SOLUTION REMARK 280 CONTAINING 0.1M TRIS PH 7, 75MM NACL, 0.2M MGCL2,20% PEG8000, REMARK 280 11.6MM TRIMETHYL LEAD ACETATE, AND 9.63MM TRIETHYL LEAD ACETATE REMARK 280 FOR 43 HRS AT ROOM TEMPERATURE. THE SOAKED CRYSTAL WAS THEN REMARK 280 TRANSFERRED TO A CRYOPROTECTANT (0.1M TRIS PH 7, 75MM NACL, 0.2M REMARK 280 MGCL2, 20% PEG8000, 15% ETHYLENE GLYCOL, 11.9MM TRIMETHYL LEAD REMARK 280 ACETATE, AND 13.75MM TRIETHYL LEAD ACETATE) IN FOUR STEPS, THEN REMARK 280 FLASH FROZEN IN LIQUID NITROGEN. , VAPOR DIFFUSION, SITTING DROP, REMARK 280 TEMPERATURE 297K 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 33.98150 REMARK 290 SMTRY2 2 0.000000 -1.000000 0.000000 0.00000 REMARK 290 SMTRY3 2 0.000000 0.000000 1.000000 45.39200 REMARK 290 SMTRY1 3 -1.000000 0.000000 0.000000 0.00000 REMARK 290 SMTRY2 3 0.000000 1.000000 0.000000 37.96550 REMARK 290 SMTRY3 3 0.000000 0.000000 -1.000000 45.39200 REMARK 290 SMTRY1 4 1.000000 0.000000 0.000000 33.98150 REMARK 290 SMTRY2 4 0.000000 -1.000000 0.000000 37.96550 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 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 SOFTWARE DETERMINED QUATERNARY STRUCTURE: MONOMERIC REMARK 350 SOFTWARE USED: PISA 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 350 REMARK 350 BIOMOLECULE: 2 REMARK 350 AUTHOR DETERMINED BIOLOGICAL UNIT: MONOMERIC REMARK 350 SOFTWARE DETERMINED QUATERNARY STRUCTURE: MONOMERIC REMARK 350 SOFTWARE USED: PISA REMARK 350 APPLY THE FOLLOWING TO CHAINS: 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 GLY A 27 REMARK 465 ALA A 28 REMARK 465 MET A 29 REMARK 465 GLY A 30 REMARK 465 ALA A 31 REMARK 465 PRO A 32 REMARK 465 ASN A 33 REMARK 465 SER A 34 REMARK 465 PRO A 35 REMARK 465 LYS A 36 REMARK 465 THR A 37 REMARK 465 ASN A 38 REMARK 465 LEU A 39 REMARK 465 SER A 40 REMARK 465 GLN A 41 REMARK 465 LYS A 42 REMARK 465 LYS A 43 REMARK 465 GLN A 44 REMARK 465 ALA A 45 REMARK 465 LYS A 125 REMARK 465 ASN A 126 REMARK 465 ARG A 127 REMARK 465 LYS A 128 REMARK 465 GLU A 129 REMARK 465 THR A 130 REMARK 465 GLY A 131 REMARK 465 ASN A 132 REMARK 465 GLY A 133 REMARK 465 SER A 134 REMARK 465 THR A 135 REMARK 465 GLY B 27 REMARK 465 ALA B 28 REMARK 465 MET B 29 REMARK 465 GLY B 30 REMARK 465 ALA B 31 REMARK 465 PRO B 32 REMARK 465 ASN B 33 REMARK 465 SER B 34 REMARK 465 PRO B 35 REMARK 465 LYS B 36 REMARK 465 THR B 37 REMARK 465 ASN B 38 REMARK 465 LEU B 39 REMARK 465 SER B 40 REMARK 465 GLN B 41 REMARK 465 LYS B 42 REMARK 465 ASN B 126 REMARK 465 ARG B 127 REMARK 465 LYS B 128 REMARK 465 GLU B 129 REMARK 465 THR B 130 REMARK 465 GLY B 131 REMARK 465 ASN B 132 REMARK 465 GLY B 133 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 LYS A 67 CG CD CE NZ REMARK 470 VAL A 91 CG1 CG2 REMARK 470 LYS A 94 CG CD CE NZ REMARK 470 LYS A 149 CG CD CE NZ REMARK 470 ASP A 171 CG OD1 OD2 REMARK 470 LYS A 210 CG CD CE NZ REMARK 470 GLU A 247 CG CD OE1 OE2 REMARK 470 LYS B 43 CG CD CE NZ REMARK 470 GLN B 44 CG CD OE1 NE2 REMARK 470 LYS B 67 CG CD CE NZ REMARK 470 LYS B 125 CG CD CE NZ REMARK 470 LYS B 149 CG CD CE NZ REMARK 470 ASP B 171 CG OD1 OD2 REMARK 470 GLN B 194 CG CD OE1 NE2 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 THR A 111 -69.28 -122.69 REMARK 500 SER A 198 78.95 -152.62 REMARK 500 THR B 111 -64.88 -121.91 REMARK 500 SER B 198 76.76 -151.86 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 300 MG REMARK 620 N RES CSSEQI ATOM REMARK 620 1 HOH A 17 O REMARK 620 2 ASN A 191 OD1 82.9 REMARK 620 3 HOH A 287 O 95.5 90.9 REMARK 620 4 HOH A 298 O 92.4 175.1 91.0 REMARK 620 5 HOH A 299 O 92.1 89.7 172.3 89.0 REMARK 620 6 HOH A 323 O 174.2 92.4 88.0 92.2 84.4 REMARK 620 N 1 2 3 4 5 REMARK 620 REMARK 620 COORDINATION ANGLES FOR: M RES CSSEQI METAL REMARK 620 MG B 300 MG REMARK 620 N RES CSSEQI ATOM REMARK 620 1 ASN B 191 OD1 REMARK 620 2 HOH B 278 O 89.9 REMARK 620 3 HOH B 285 O 81.6 90.4 REMARK 620 4 HOH B 292 O 91.7 88.1 173.2 REMARK 620 5 HOH B 332 O 92.1 175.2 94.2 87.5 REMARK 620 6 HOH B 544 O 176.9 89.9 95.3 91.3 88.4 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 300 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC2 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE CL A 400 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC3 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE CL A 401 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC4 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE MG B 300 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC5 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE CL B 400 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC6 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE CL B 401 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC7 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE CL B 402 REMARK 900 REMARK 900 RELATED ENTRIES REMARK 900 RELATED ID: 1G8T RELATED DB: PDB REMARK 900 SM NUCLEASE FROM SERRATIA MARCESCENS REMARK 900 RELATED ID: 1ZM8 RELATED DB: PDB REMARK 900 NUCA NUCLEASE FROM ANABAENA SP. REMARK 900 RELATED ID: 3ISM RELATED DB: PDB REMARK 900 ENDOG MITOCHONDRIAL NUCLEASE FROM DROSOPHILA MELANOGASTER REMARK 900 RELATED ID: 1OUP RELATED DB: PDB REMARK 900 VVN NUCLEASE FROM VIBRIO VULNIFICUS DBREF 3OWV A 31 274 UNP P0A3S3 NUCE_STRPN 31 274 DBREF 3OWV B 31 274 UNP P0A3S3 NUCE_STRPN 31 274 SEQADV 3OWV GLY A 27 UNP P0A3S3 EXPRESSION TAG SEQADV 3OWV ALA A 28 UNP P0A3S3 EXPRESSION TAG SEQADV 3OWV MET A 29 UNP P0A3S3 EXPRESSION TAG SEQADV 3OWV GLY A 30 UNP P0A3S3 EXPRESSION TAG SEQADV 3OWV ALA A 160 UNP P0A3S3 HIS 160 ENGINEERED MUTATION SEQADV 3OWV GLY B 27 UNP P0A3S3 EXPRESSION TAG SEQADV 3OWV ALA B 28 UNP P0A3S3 EXPRESSION TAG SEQADV 3OWV MET B 29 UNP P0A3S3 EXPRESSION TAG SEQADV 3OWV GLY B 30 UNP P0A3S3 EXPRESSION TAG SEQADV 3OWV ALA B 160 UNP P0A3S3 HIS 160 ENGINEERED MUTATION SEQRES 1 A 248 GLY ALA MET GLY ALA PRO ASN SER PRO LYS THR ASN LEU SEQRES 2 A 248 SER GLN LYS LYS GLN ALA SER GLU ALA PRO SER GLN ALA SEQRES 3 A 248 LEU ALA GLU SER VAL LEU THR ASP ALA VAL LYS SER GLN SEQRES 4 A 248 ILE LYS GLY SER LEU GLU TRP ASN GLY SER GLY ALA PHE SEQRES 5 A 248 ILE VAL ASN GLY ASN LYS THR ASN LEU ASP ALA LYS VAL SEQRES 6 A 248 SER SER LYS PRO TYR ALA ASP ASN LYS THR LYS THR VAL SEQRES 7 A 248 GLY LYS GLU THR VAL PRO THR VAL ALA ASN ALA LEU LEU SEQRES 8 A 248 SER LYS ALA THR ARG GLN TYR LYS ASN ARG LYS GLU THR SEQRES 9 A 248 GLY ASN GLY SER THR SER TRP THR PRO PRO GLY TRP HIS SEQRES 10 A 248 GLN VAL LYS ASN LEU LYS GLY SER TYR THR HIS ALA VAL SEQRES 11 A 248 ASP ARG GLY ALA LEU LEU GLY TYR ALA LEU ILE GLY GLY SEQRES 12 A 248 LEU ASP GLY PHE ASP ALA SER THR SER ASN PRO LYS ASN SEQRES 13 A 248 ILE ALA VAL GLN THR ALA TRP ALA ASN GLN ALA GLN ALA SEQRES 14 A 248 GLU TYR SER THR GLY GLN ASN TYR TYR GLU SER LYS VAL SEQRES 15 A 248 ARG LYS ALA LEU ASP GLN ASN LYS ARG VAL ARG TYR ARG SEQRES 16 A 248 VAL THR LEU TYR TYR ALA SER ASN GLU ASP LEU VAL PRO SEQRES 17 A 248 SER ALA SER GLN ILE GLU ALA LYS SER SER ASP GLY GLU SEQRES 18 A 248 LEU GLU PHE ASN VAL LEU VAL PRO ASN VAL GLN LYS GLY SEQRES 19 A 248 LEU GLN LEU ASP TYR ARG THR GLY GLU VAL THR VAL THR SEQRES 20 A 248 GLN SEQRES 1 B 248 GLY ALA MET GLY ALA PRO ASN SER PRO LYS THR ASN LEU SEQRES 2 B 248 SER GLN LYS LYS GLN ALA SER GLU ALA PRO SER GLN ALA SEQRES 3 B 248 LEU ALA GLU SER VAL LEU THR ASP ALA VAL LYS SER GLN SEQRES 4 B 248 ILE LYS GLY SER LEU GLU TRP ASN GLY SER GLY ALA PHE SEQRES 5 B 248 ILE VAL ASN GLY ASN LYS THR ASN LEU ASP ALA LYS VAL SEQRES 6 B 248 SER SER LYS PRO TYR ALA ASP ASN LYS THR LYS THR VAL SEQRES 7 B 248 GLY LYS GLU THR VAL PRO THR VAL ALA ASN ALA LEU LEU SEQRES 8 B 248 SER LYS ALA THR ARG GLN TYR LYS ASN ARG LYS GLU THR SEQRES 9 B 248 GLY ASN GLY SER THR SER TRP THR PRO PRO GLY TRP HIS SEQRES 10 B 248 GLN VAL LYS ASN LEU LYS GLY SER TYR THR HIS ALA VAL SEQRES 11 B 248 ASP ARG GLY ALA LEU LEU GLY TYR ALA LEU ILE GLY GLY SEQRES 12 B 248 LEU ASP GLY PHE ASP ALA SER THR SER ASN PRO LYS ASN SEQRES 13 B 248 ILE ALA VAL GLN THR ALA TRP ALA ASN GLN ALA GLN ALA SEQRES 14 B 248 GLU TYR SER THR GLY GLN ASN TYR TYR GLU SER LYS VAL SEQRES 15 B 248 ARG LYS ALA LEU ASP GLN ASN LYS ARG VAL ARG TYR ARG SEQRES 16 B 248 VAL THR LEU TYR TYR ALA SER ASN GLU ASP LEU VAL PRO SEQRES 17 B 248 SER ALA SER GLN ILE GLU ALA LYS SER SER ASP GLY GLU SEQRES 18 B 248 LEU GLU PHE ASN VAL LEU VAL PRO ASN VAL GLN LYS GLY SEQRES 19 B 248 LEU GLN LEU ASP TYR ARG THR GLY GLU VAL THR VAL THR SEQRES 20 B 248 GLN HET MG A 300 1 HET CL A 400 1 HET CL A 401 1 HET MG B 300 1 HET CL B 400 1 HET CL B 401 1 HET CL B 402 1 HETNAM MG MAGNESIUM ION HETNAM CL CHLORIDE ION FORMUL 3 MG 2(MG 2+) FORMUL 4 CL 5(CL 1-) FORMUL 10 HOH *495(H2 O) HELIX 1 1 SER A 50 SER A 56 1 7 HELIX 2 2 THR A 59 SER A 64 1 6 HELIX 3 3 GLY A 82 LYS A 84 5 3 HELIX 4 4 SER A 118 ARG A 122 5 5 HELIX 5 5 GLY A 163 GLY A 168 1 6 HELIX 6 6 ALA A 188 ALA A 193 1 6 HELIX 7 7 GLY A 200 GLN A 214 1 15 HELIX 8 8 SER B 50 SER B 56 1 7 HELIX 9 9 THR B 59 SER B 64 1 6 HELIX 10 10 GLY B 82 LYS B 84 5 3 HELIX 11 11 SER B 118 ARG B 122 5 5 HELIX 12 12 GLY B 163 GLY B 168 1 6 HELIX 13 13 ALA B 188 ALA B 193 1 6 HELIX 14 14 GLY B 200 GLN B 214 1 15 SHEET 1 A 7 LEU A 70 TRP A 72 0 SHEET 2 A 7 PHE A 78 VAL A 80 -1 O ILE A 79 N GLU A 71 SHEET 3 A 7 GLU A 249 PRO A 255 -1 O ASN A 251 N VAL A 80 SHEET 4 A 7 ALA A 236 SER A 243 -1 N SER A 237 O VAL A 254 SHEET 5 A 7 VAL A 218 TYR A 225 -1 N THR A 223 O GLN A 238 SHEET 6 A 7 GLU A 107 LEU A 117 -1 N LEU A 117 O VAL A 218 SHEET 7 A 7 TYR A 96 VAL A 104 -1 N ASP A 98 O ASN A 114 SHEET 1 B 2 VAL A 156 ALA A 160 0 SHEET 2 B 2 ILE A 183 THR A 187 -1 O GLN A 186 N ASP A 157 SHEET 1 C 2 GLN A 194 ALA A 195 0 SHEET 2 C 2 SER A 198 THR A 199 -1 O SER A 198 N ALA A 195 SHEET 1 D 2 LEU A 261 LEU A 263 0 SHEET 2 D 2 VAL A 270 VAL A 272 -1 O THR A 271 N GLN A 262 SHEET 1 E 7 LEU B 70 TRP B 72 0 SHEET 2 E 7 PHE B 78 VAL B 80 -1 O ILE B 79 N GLU B 71 SHEET 3 E 7 GLU B 249 PRO B 255 -1 O ASN B 251 N VAL B 80 SHEET 4 E 7 ALA B 236 SER B 243 -1 N SER B 237 O VAL B 254 SHEET 5 E 7 VAL B 218 TYR B 225 -1 N THR B 223 O GLN B 238 SHEET 6 E 7 GLU B 107 LEU B 117 -1 N LEU B 117 O VAL B 218 SHEET 7 E 7 TYR B 96 VAL B 104 -1 N ASP B 98 O ASN B 114 SHEET 1 F 2 VAL B 156 ALA B 160 0 SHEET 2 F 2 ILE B 183 THR B 187 -1 O GLN B 186 N ASP B 157 SHEET 1 G 2 GLN B 194 ALA B 195 0 SHEET 2 G 2 SER B 198 THR B 199 -1 O SER B 198 N ALA B 195 SHEET 1 H 2 LEU B 261 LEU B 263 0 SHEET 2 H 2 VAL B 270 VAL B 272 -1 O THR B 271 N GLN B 262 LINK O HOH A 17 MG MG A 300 1555 1555 2.03 LINK OD1 ASN A 191 MG MG A 300 1555 1555 1.97 LINK O HOH A 287 MG MG A 300 1555 1555 2.01 LINK O HOH A 298 MG MG A 300 1555 1555 2.09 LINK O HOH A 299 MG MG A 300 1555 1555 2.17 LINK MG MG A 300 O HOH A 323 1555 1555 2.18 LINK OD1 ASN B 191 MG MG B 300 1555 1555 2.00 LINK O HOH B 278 MG MG B 300 1555 1555 2.07 LINK O HOH B 285 MG MG B 300 1555 1555 2.16 LINK O HOH B 292 MG MG B 300 1555 1555 2.21 LINK MG MG B 300 O HOH B 332 1555 1555 2.16 LINK MG MG B 300 O HOH B 544 1555 1555 2.08 SITE 1 AC1 6 HOH A 17 ASN A 191 HOH A 287 HOH A 298 SITE 2 AC1 6 HOH A 299 HOH A 323 SITE 1 AC2 4 LYS A 216 ARG A 217 SER A 244 ASP A 245 SITE 1 AC3 4 GLY A 163 TYR A 164 HOH A 370 HOH A 571 SITE 1 AC4 6 ASN B 191 HOH B 278 HOH B 285 HOH B 292 SITE 2 AC4 6 HOH B 332 HOH B 544 SITE 1 AC5 4 LYS B 216 ARG B 217 SER B 244 ASP B 245 SITE 1 AC6 4 GLY B 163 TYR B 164 HOH B 544 HOH B 546 SITE 1 AC7 3 SER B 50 LEU B 53 HOH B 313 CRYST1 67.963 75.931 90.784 90.00 90.00 90.00 P 21 21 21 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 0.014714 0.000000 0.000000 0.00000 SCALE2 0.000000 0.013170 0.000000 0.00000 SCALE3 0.000000 0.000000 0.011015 0.00000