HEADER HYDROLASE 17-OCT-07 2RKS TITLE CRYSTAL STRUCTURE OF STAPHYLOCOCCAL NUCLEASE VARIANT PHS L38K AT TITLE 2 CRYOGENIC TEMPERATURE COMPND MOL_ID: 1; COMPND 2 MOLECULE: THERMONUCLEASE; COMPND 3 CHAIN: A; COMPND 4 FRAGMENT: NUCLEASE; COMPND 5 SYNONYM: TNASE, MICROCOCCAL NUCLEASE, STAPHYLOCOCCAL NUCLEASE; COMPND 6 EC: 3.1.31.1; COMPND 7 ENGINEERED: YES; COMPND 8 MUTATION: YES SOURCE MOL_ID: 1; SOURCE 2 ORGANISM_SCIENTIFIC: STAPHYLOCOCCUS AUREUS; SOURCE 3 ORGANISM_TAXID: 1280; SOURCE 4 GENE: NUC; SOURCE 5 EXPRESSION_SYSTEM: ESCHERICHIA COLI BL21(DE3); SOURCE 6 EXPRESSION_SYSTEM_TAXID: 469008; SOURCE 7 EXPRESSION_SYSTEM_STRAIN: BL21(DE3); SOURCE 8 EXPRESSION_SYSTEM_VECTOR_TYPE: PLASMID; SOURCE 9 EXPRESSION_SYSTEM_PLASMID: PET24A+ KEYWDS STAPHYLOCOCCAL NUCLEASE, HYPERSTABLE VARIANT, HYDROLASE, INTERNAL ION KEYWDS 2 PAIR EXPDTA X-RAY DIFFRACTION AUTHOR J.L.SCHLESSMAN,M.J.HARMS,E.B.GARCIA-MORENO REVDAT 7 03-APR-24 2RKS 1 REMARK REVDAT 6 21-FEB-24 2RKS 1 REMARK REVDAT 5 20-OCT-21 2RKS 1 REMARK SEQADV REVDAT 4 25-OCT-17 2RKS 1 REMARK REVDAT 3 24-FEB-09 2RKS 1 VERSN REVDAT 2 06-MAY-08 2RKS 1 JRNL REVDAT 1 15-APR-08 2RKS 0 JRNL AUTH M.J.HARMS,J.L.SCHLESSMAN,M.S.CHIMENTI,G.R.SUE,A.DAMJANOVIC, JRNL AUTH 2 B.GARCIA-MORENO JRNL TITL A BURIED LYSINE THAT TITRATES WITH A NORMAL PKA: ROLE OF JRNL TITL 2 CONFORMATIONAL FLEXIBILITY AT THE PROTEIN-WATER INTERFACE AS JRNL TITL 3 A DETERMINANT OF PKA VALUES. JRNL REF PROTEIN SCI. V. 17 833 2008 JRNL REFN ISSN 0961-8368 JRNL PMID 18369193 JRNL DOI 10.1110/PS.073397708 REMARK 2 REMARK 2 RESOLUTION. 2.01 ANGSTROMS. REMARK 3 REMARK 3 REFINEMENT. REMARK 3 PROGRAM : CNS 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) : 2.01 REMARK 3 RESOLUTION RANGE LOW (ANGSTROMS) : 50.00 REMARK 3 DATA CUTOFF (SIGMA(F)) : 0.000 REMARK 3 DATA CUTOFF HIGH (ABS(F)) : NULL REMARK 3 DATA CUTOFF LOW (ABS(F)) : NULL REMARK 3 COMPLETENESS (WORKING+TEST) (%) : 98.6 REMARK 3 NUMBER OF REFLECTIONS : 9647 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) : 0.193 REMARK 3 FREE R VALUE : 0.240 REMARK 3 FREE R VALUE TEST SET SIZE (%) : 10.200 REMARK 3 FREE R VALUE TEST SET COUNT : 997 REMARK 3 ESTIMATED ERROR OF FREE R VALUE : NULL REMARK 3 REMARK 3 FIT IN THE HIGHEST RESOLUTION BIN. REMARK 3 TOTAL NUMBER OF BINS USED : NULL REMARK 3 BIN RESOLUTION RANGE HIGH (A) : 2.01 REMARK 3 BIN RESOLUTION RANGE LOW (A) : 2.05 REMARK 3 BIN COMPLETENESS (WORKING+TEST) (%) : 92.20 REMARK 3 REFLECTIONS IN BIN (WORKING SET) : NULL REMARK 3 BIN R VALUE (WORKING SET) : 0.1998 REMARK 3 BIN FREE R VALUE : 0.2615 REMARK 3 BIN FREE R VALUE TEST SET SIZE (%) : NULL REMARK 3 BIN FREE R VALUE TEST SET COUNT : 41 REMARK 3 ESTIMATED ERROR OF BIN FREE R VALUE : NULL REMARK 3 REMARK 3 NUMBER OF NON-HYDROGEN ATOMS USED IN REFINEMENT. REMARK 3 PROTEIN ATOMS : 1077 REMARK 3 NUCLEIC ACID ATOMS : 0 REMARK 3 HETEROGEN ATOMS : 10 REMARK 3 SOLVENT ATOMS : 86 REMARK 3 REMARK 3 B VALUES. REMARK 3 FROM WILSON PLOT (A**2) : 30.90 REMARK 3 MEAN B VALUE (OVERALL, A**2) : 25.41 REMARK 3 OVERALL ANISOTROPIC B VALUE. REMARK 3 B11 (A**2) : -1.52700 REMARK 3 B22 (A**2) : -1.52700 REMARK 3 B33 (A**2) : 3.05500 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) : NULL REMARK 3 ESD FROM SIGMAA (A) : NULL REMARK 3 LOW RESOLUTION CUTOFF (A) : NULL REMARK 3 REMARK 3 CROSS-VALIDATED ESTIMATED COORDINATE ERROR. REMARK 3 ESD FROM C-V LUZZATI PLOT (A) : NULL REMARK 3 ESD FROM C-V SIGMAA (A) : NULL REMARK 3 REMARK 3 RMS DEVIATIONS FROM IDEAL VALUES. REMARK 3 BOND LENGTHS (A) : NULL REMARK 3 BOND ANGLES (DEGREES) : NULL REMARK 3 DIHEDRAL ANGLES (DEGREES) : NULL REMARK 3 IMPROPER ANGLES (DEGREES) : NULL REMARK 3 REMARK 3 ISOTROPIC THERMAL MODEL : ANISOTROPIC REMARK 3 REMARK 3 ISOTROPIC THERMAL FACTOR RESTRAINTS. RMS SIGMA REMARK 3 MAIN-CHAIN BOND (A**2) : 1.462 ; 1.500 REMARK 3 MAIN-CHAIN ANGLE (A**2) : 2.232 ; 2.000 REMARK 3 SIDE-CHAIN BOND (A**2) : 2.367 ; 2.000 REMARK 3 SIDE-CHAIN ANGLE (A**2) : 3.451 ; 2.500 REMARK 3 REMARK 3 BULK SOLVENT MODELING. REMARK 3 METHOD USED : NULL REMARK 3 KSOL : NULL REMARK 3 BSOL : 55.64 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 : CNS_TOPPAR:PROTEIN_REP.PARAM REMARK 3 PARAMETER FILE 2 : CNS_TOPPAR:WATER_REP.PARAM REMARK 3 PARAMETER FILE 3 : CNS_TOPPAR:ION.PARAM REMARK 3 PARAMETER FILE 4 : NULL REMARK 3 TOPOLOGY FILE 1 : NULL REMARK 3 TOPOLOGY FILE 2 : NULL REMARK 3 TOPOLOGY FILE 3 : NULL REMARK 3 TOPOLOGY FILE 4 : NULL REMARK 3 REMARK 3 OTHER REFINEMENT REMARKS: NULL REMARK 4 REMARK 4 2RKS COMPLIES WITH FORMAT V. 3.30, 13-JUL-11 REMARK 100 REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY RCSB ON 12-NOV-07. REMARK 100 THE DEPOSITION ID IS D_1000044979. REMARK 200 REMARK 200 EXPERIMENTAL DETAILS REMARK 200 EXPERIMENT TYPE : X-RAY DIFFRACTION REMARK 200 DATE OF DATA COLLECTION : 17-DEC-03 REMARK 200 TEMPERATURE (KELVIN) : 100 REMARK 200 PH : 10.5 REMARK 200 NUMBER OF CRYSTALS USED : 1 REMARK 200 REMARK 200 SYNCHROTRON (Y/N) : N REMARK 200 RADIATION SOURCE : ROTATING ANODE REMARK 200 BEAMLINE : NULL REMARK 200 X-RAY GENERATOR MODEL : RIGAKU RUH3R REMARK 200 MONOCHROMATIC OR LAUE (M/L) : M REMARK 200 WAVELENGTH OR RANGE (A) : 1.5418 REMARK 200 MONOCHROMATOR : GRAPHITE REMARK 200 OPTICS : MIRRORS REMARK 200 REMARK 200 DETECTOR TYPE : IMAGE PLATE REMARK 200 DETECTOR MANUFACTURER : RIGAKU RAXIS IV++ REMARK 200 INTENSITY-INTEGRATION SOFTWARE : DENZO REMARK 200 DATA SCALING SOFTWARE : SCALEPACK REMARK 200 REMARK 200 NUMBER OF UNIQUE REFLECTIONS : 9727 REMARK 200 RESOLUTION RANGE HIGH (A) : 2.010 REMARK 200 RESOLUTION RANGE LOW (A) : 50.000 REMARK 200 REJECTION CRITERIA (SIGMA(I)) : 0.000 REMARK 200 REMARK 200 OVERALL. REMARK 200 COMPLETENESS FOR RANGE (%) : 98.8 REMARK 200 DATA REDUNDANCY : 4.500 REMARK 200 R MERGE (I) : NULL REMARK 200 R SYM (I) : 0.05600 REMARK 200 FOR THE DATA SET : 22.7000 REMARK 200 REMARK 200 IN THE HIGHEST RESOLUTION SHELL. REMARK 200 HIGHEST RESOLUTION SHELL, RANGE HIGH (A) : 2.01 REMARK 200 HIGHEST RESOLUTION SHELL, RANGE LOW (A) : 2.08 REMARK 200 COMPLETENESS FOR SHELL (%) : 95.9 REMARK 200 DATA REDUNDANCY IN SHELL : 4.10 REMARK 200 R MERGE FOR SHELL (I) : NULL REMARK 200 R SYM FOR SHELL (I) : 0.17300 REMARK 200 FOR SHELL : 11.70 REMARK 200 REMARK 200 DIFFRACTION PROTOCOL: SINGLE WAVELENGTH REMARK 200 METHOD USED TO DETERMINE THE STRUCTURE: MOLECULAR REPLACEMENT REMARK 200 SOFTWARE USED: CNS REMARK 200 STARTING MODEL: PHS/V66E (CRYOGENIC TEMPERATURE) REMARK 200 REMARK 200 REMARK: NULL REMARK 280 REMARK 280 CRYSTAL REMARK 280 SOLVENT CONTENT, VS (%): 44.29 REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 2.21 REMARK 280 REMARK 280 CRYSTALLIZATION CONDITIONS: 45% MPD, 50 MM POTASSIUM PHOSPHATE, PH REMARK 280 10.5, VAPOR DIFFUSION, HANGING DROP, TEMPERATURE 277K REMARK 290 REMARK 290 CRYSTALLOGRAPHIC SYMMETRY REMARK 290 SYMMETRY OPERATORS FOR SPACE GROUP: P 41 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 -Y,X,Z+1/4 REMARK 290 4555 Y,-X,Z+3/4 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 31.26050 REMARK 290 SMTRY1 3 0.000000 -1.000000 0.000000 0.00000 REMARK 290 SMTRY2 3 1.000000 0.000000 0.000000 0.00000 REMARK 290 SMTRY3 3 0.000000 0.000000 1.000000 15.63025 REMARK 290 SMTRY1 4 0.000000 1.000000 0.000000 0.00000 REMARK 290 SMTRY2 4 -1.000000 0.000000 0.000000 0.00000 REMARK 290 SMTRY3 4 0.000000 0.000000 1.000000 46.89075 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: 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 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 ALA A 1 REMARK 465 THR A 2 REMARK 465 SER A 3 REMARK 465 THR A 4 REMARK 465 LYS A 5 REMARK 465 LYS A 6 REMARK 465 GLU A 142 REMARK 465 ASP A 143 REMARK 465 ASN A 144 REMARK 465 ALA A 145 REMARK 465 ASP A 146 REMARK 465 SER A 147 REMARK 465 GLY A 148 REMARK 465 GLN A 149 REMARK 480 REMARK 480 ZERO OCCUPANCY ATOM REMARK 480 THE FOLLOWING RESIDUES HAVE ATOMS MODELED WITH ZERO REMARK 480 OCCUPANCY. THE LOCATION AND PROPERTIES OF THESE ATOMS REMARK 480 MAY NOT BE RELIABLE. (M=MODEL NUMBER; RES=RESIDUE NAME; REMARK 480 C=CHAIN IDENTIFIER; SSEQ=SEQUENCE NUMBER; I=INSERTION CODE): REMARK 480 M RES C SSEQI ATOMS REMARK 480 LYS A 45 CG CD CE NZ REMARK 480 LYS A 48 CG CD CE NZ REMARK 480 LYS A 49 CG CD CE NZ 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 49 -45.94 80.22 REMARK 500 TYR A 54 -2.02 79.68 REMARK 500 TYR A 115 60.52 60.43 REMARK 500 LYS A 116 27.05 -140.34 REMARK 500 ASN A 138 -106.56 43.37 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 PO4 A 251 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC2 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE PO4 A 252 REMARK 900 REMARK 900 RELATED ENTRIES REMARK 900 RELATED ID: 2RBM RELATED DB: PDB DBREF 2RKS A 1 149 UNP P00644 NUC_STAAW 83 231 SEQADV 2RKS LYS A 38 UNP P00644 LEU 120 ENGINEERED MUTATION SEQADV 2RKS GLY A 117 UNP P00644 PRO 199 ENGINEERED MUTATION SEQADV 2RKS LEU A 124 UNP P00644 HIS 206 ENGINEERED MUTATION SEQADV 2RKS ALA A 128 UNP P00644 SER 210 ENGINEERED MUTATION SEQRES 1 A 149 ALA THR SER THR LYS LYS LEU HIS LYS GLU PRO ALA THR SEQRES 2 A 149 LEU ILE LYS ALA ILE ASP GLY ASP THR VAL LYS LEU MET SEQRES 3 A 149 TYR LYS GLY GLN PRO MET THR PHE ARG LEU LEU LYS VAL SEQRES 4 A 149 ASP THR PRO GLU THR LYS HIS PRO LYS LYS GLY VAL GLU SEQRES 5 A 149 LYS TYR GLY PRO GLU ALA SER ALA PHE THR LYS LYS MET SEQRES 6 A 149 VAL GLU ASN ALA LYS LYS ILE GLU VAL GLU PHE ASP LYS SEQRES 7 A 149 GLY GLN ARG THR ASP LYS TYR GLY ARG GLY LEU ALA TYR SEQRES 8 A 149 ILE TYR ALA ASP GLY LYS MET VAL ASN GLU ALA LEU VAL SEQRES 9 A 149 ARG GLN GLY LEU ALA LYS VAL ALA TYR VAL TYR LYS GLY SEQRES 10 A 149 ASN ASN THR HIS GLU GLN LEU LEU ARG LYS ALA GLU ALA SEQRES 11 A 149 GLN ALA LYS LYS GLU LYS LEU ASN ILE TRP SER GLU ASP SEQRES 12 A 149 ASN ALA ASP SER GLY GLN HET PO4 A 251 5 HET PO4 A 252 5 HETNAM PO4 PHOSPHATE ION FORMUL 2 PO4 2(O4 P 3-) FORMUL 4 HOH *86(H2 O) HELIX 1 1 TYR A 54 ALA A 69 1 16 HELIX 2 2 VAL A 99 GLN A 106 1 8 HELIX 3 3 HIS A 121 GLU A 135 1 15 HELIX 4 4 LEU A 137 SER A 141 5 5 SHEET 1 A 7 LYS A 97 MET A 98 0 SHEET 2 A 7 GLY A 88 ALA A 94 -1 N ALA A 94 O LYS A 97 SHEET 3 A 7 ILE A 72 PHE A 76 -1 N GLU A 75 O TYR A 91 SHEET 4 A 7 GLU A 10 ASP A 19 -1 N GLU A 10 O VAL A 74 SHEET 5 A 7 THR A 22 TYR A 27 -1 O LYS A 24 N LYS A 16 SHEET 6 A 7 GLN A 30 LEU A 36 -1 O PHE A 34 N VAL A 23 SHEET 7 A 7 GLY A 88 ALA A 94 1 O GLY A 88 N THR A 33 SHEET 1 B 2 VAL A 39 ASP A 40 0 SHEET 2 B 2 LYS A 110 VAL A 111 -1 O LYS A 110 N ASP A 40 SITE 1 AC1 3 LYS A 71 LYS A 84 TYR A 85 SITE 1 AC2 8 ARG A 35 LYS A 71 ARG A 87 HOH A 273 SITE 2 AC2 8 HOH A 277 HOH A 330 HOH A 334 HOH A 335 CRYST1 48.684 48.684 62.521 90.00 90.00 90.00 P 41 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 0.020541 0.000000 0.000000 0.00000 SCALE2 0.000000 0.020541 0.000000 0.00000 SCALE3 0.000000 0.000000 0.015995 0.00000