HEADER HYDROLASE 12-DEC-11 3V2T TITLE CRYSTAL STRUCTURE OF STAPHYLOCOCCAL NUCLEASE VARIANT DELTA+PHS TITLE 2 I92A/V66A AT CRYOGENIC TEMPERATURE COMPND MOL_ID: 1; COMPND 2 MOLECULE: THERMONUCLEASE; COMPND 3 CHAIN: A; COMPND 4 FRAGMENT: NUCLEASE A (UNP RESIDUES 83-231); 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; 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, PDTP, CAVITY, PRESSURE, KEYWDS 2 HYDROLASE EXPDTA X-RAY DIFFRACTION AUTHOR J.A.CARO,J.L.SCHLESSMAN,B.GARCIA-MORENO E. REVDAT 2 13-SEP-23 3V2T 1 REMARK SEQADV LINK REVDAT 1 28-DEC-11 3V2T 0 JRNL AUTH J.A.CARO,J.L.SCHLESSMAN,B.GARCIA-MORENO E. JRNL TITL PRESSURE EFFECTS IN PROTEINS JRNL REF TO BE PUBLISHED JRNL REFN REMARK 2 REMARK 2 RESOLUTION. 1.80 ANGSTROMS. REMARK 3 REMARK 3 REFINEMENT. REMARK 3 PROGRAM : REFMAC REMARK 3 AUTHORS : MURSHUDOV,SKUBAK,LEBEDEV,PANNU,STEINER, REMARK 3 : NICHOLLS,WINN,LONG,VAGIN REMARK 3 REMARK 3 REFINEMENT TARGET : MAXIMUM LIKELIHOOD REMARK 3 REMARK 3 DATA USED IN REFINEMENT. REMARK 3 RESOLUTION RANGE HIGH (ANGSTROMS) : 1.80 REMARK 3 RESOLUTION RANGE LOW (ANGSTROMS) : 25.05 REMARK 3 DATA CUTOFF (SIGMA(F)) : 0.000 REMARK 3 COMPLETENESS FOR RANGE (%) : 99.8 REMARK 3 NUMBER OF REFLECTIONS : 13205 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 + TEST SET) : 0.167 REMARK 3 R VALUE (WORKING SET) : 0.161 REMARK 3 FREE R VALUE : 0.220 REMARK 3 FREE R VALUE TEST SET SIZE (%) : 9.900 REMARK 3 FREE R VALUE TEST SET COUNT : 1306 REMARK 3 REMARK 3 FIT IN THE HIGHEST RESOLUTION BIN. REMARK 3 TOTAL NUMBER OF BINS USED : 20 REMARK 3 BIN RESOLUTION RANGE HIGH (A) : 1.80 REMARK 3 BIN RESOLUTION RANGE LOW (A) : 1.85 REMARK 3 REFLECTION IN BIN (WORKING SET) : 893 REMARK 3 BIN COMPLETENESS (WORKING+TEST) (%) : 100.0 REMARK 3 BIN R VALUE (WORKING SET) : 0.1750 REMARK 3 BIN FREE R VALUE SET COUNT : 96 REMARK 3 BIN FREE R VALUE : 0.2540 REMARK 3 REMARK 3 NUMBER OF NON-HYDROGEN ATOMS USED IN REFINEMENT. REMARK 3 PROTEIN ATOMS : 1028 REMARK 3 NUCLEIC ACID ATOMS : 0 REMARK 3 HETEROGEN ATOMS : 26 REMARK 3 SOLVENT ATOMS : 115 REMARK 3 REMARK 3 B VALUES. REMARK 3 FROM WILSON PLOT (A**2) : 25.50 REMARK 3 MEAN B VALUE (OVERALL, A**2) : 21.12 REMARK 3 OVERALL ANISOTROPIC B VALUE. REMARK 3 B11 (A**2) : -0.84000 REMARK 3 B22 (A**2) : -1.19000 REMARK 3 B33 (A**2) : 2.12000 REMARK 3 B12 (A**2) : 0.00000 REMARK 3 B13 (A**2) : 0.55000 REMARK 3 B23 (A**2) : 0.00000 REMARK 3 REMARK 3 ESTIMATED OVERALL COORDINATE ERROR. REMARK 3 ESU BASED ON R VALUE (A): 0.124 REMARK 3 ESU BASED ON FREE R VALUE (A): 0.131 REMARK 3 ESU BASED ON MAXIMUM LIKELIHOOD (A): 0.080 REMARK 3 ESU FOR B VALUES BASED ON MAXIMUM LIKELIHOOD (A**2): 5.089 REMARK 3 REMARK 3 CORRELATION COEFFICIENTS. REMARK 3 CORRELATION COEFFICIENT FO-FC : 0.963 REMARK 3 CORRELATION COEFFICIENT FO-FC FREE : 0.931 REMARK 3 REMARK 3 RMS DEVIATIONS FROM IDEAL VALUES COUNT RMS WEIGHT REMARK 3 BOND LENGTHS REFINED ATOMS (A): 1117 ; 0.016 ; 0.022 REMARK 3 BOND LENGTHS OTHERS (A): NULL ; NULL ; NULL REMARK 3 BOND ANGLES REFINED ATOMS (DEGREES): 1513 ; 1.541 ; 1.998 REMARK 3 BOND ANGLES OTHERS (DEGREES): NULL ; NULL ; NULL REMARK 3 TORSION ANGLES, PERIOD 1 (DEGREES): 141 ; 6.400 ; 5.000 REMARK 3 TORSION ANGLES, PERIOD 2 (DEGREES): 50 ;34.604 ;25.000 REMARK 3 TORSION ANGLES, PERIOD 3 (DEGREES): 218 ;15.763 ;15.000 REMARK 3 TORSION ANGLES, PERIOD 4 (DEGREES): 5 ; 7.650 ;15.000 REMARK 3 CHIRAL-CENTER RESTRAINTS (A**3): 163 ; 0.127 ; 0.200 REMARK 3 GENERAL PLANES REFINED ATOMS (A): 819 ; 0.011 ; 0.021 REMARK 3 GENERAL PLANES OTHERS (A): NULL ; NULL ; NULL REMARK 3 NON-BONDED CONTACTS REFINED ATOMS (A): NULL ; NULL ; NULL REMARK 3 NON-BONDED CONTACTS OTHERS (A): NULL ; NULL ; NULL REMARK 3 NON-BONDED TORSION REFINED ATOMS (A): NULL ; NULL ; NULL REMARK 3 NON-BONDED TORSION OTHERS (A): NULL ; NULL ; NULL REMARK 3 H-BOND (X...Y) REFINED ATOMS (A): NULL ; NULL ; NULL REMARK 3 H-BOND (X...Y) OTHERS (A): NULL ; NULL ; NULL REMARK 3 POTENTIAL METAL-ION REFINED ATOMS (A): NULL ; NULL ; NULL REMARK 3 POTENTIAL METAL-ION OTHERS (A): NULL ; NULL ; NULL REMARK 3 SYMMETRY VDW REFINED ATOMS (A): NULL ; NULL ; NULL REMARK 3 SYMMETRY VDW OTHERS (A): NULL ; NULL ; NULL REMARK 3 SYMMETRY H-BOND REFINED ATOMS (A): NULL ; NULL ; NULL REMARK 3 SYMMETRY H-BOND OTHERS (A): NULL ; NULL ; NULL REMARK 3 SYMMETRY METAL-ION REFINED ATOMS (A): NULL ; NULL ; NULL REMARK 3 SYMMETRY METAL-ION OTHERS (A): NULL ; NULL ; NULL REMARK 3 REMARK 3 ISOTROPIC THERMAL FACTOR RESTRAINTS. COUNT RMS WEIGHT REMARK 3 MAIN-CHAIN BOND REFINED ATOMS (A**2): 659 ; 1.231 ; 1.500 REMARK 3 MAIN-CHAIN BOND OTHER ATOMS (A**2): NULL ; NULL ; NULL REMARK 3 MAIN-CHAIN ANGLE REFINED ATOMS (A**2): 1059 ; 1.829 ; 2.000 REMARK 3 MAIN-CHAIN ANGLE OTHER ATOMS (A**2): NULL ; NULL ; NULL REMARK 3 SIDE-CHAIN BOND REFINED ATOMS (A**2): 458 ; 3.171 ; 3.000 REMARK 3 SIDE-CHAIN BOND OTHER ATOMS (A**2): NULL ; NULL ; NULL REMARK 3 SIDE-CHAIN ANGLE REFINED ATOMS (A**2): 447 ; 4.673 ; 4.500 REMARK 3 SIDE-CHAIN ANGLE OTHER ATOMS (A**2): NULL ; NULL ; NULL REMARK 3 LONG RANGE B REFINED ATOMS (A**2): NULL ; NULL ; NULL REMARK 3 LONG RANGE B OTHER ATOMS (A**2): NULL ; NULL ; NULL REMARK 3 REMARK 3 ANISOTROPIC THERMAL FACTOR RESTRAINTS. COUNT RMS WEIGHT REMARK 3 RIGID-BOND RESTRAINTS (A**2): NULL ; NULL ; NULL REMARK 3 SPHERICITY; FREE ATOMS (A**2): NULL ; NULL ; NULL REMARK 3 SPHERICITY; BONDED ATOMS (A**2): NULL ; NULL ; NULL REMARK 3 REMARK 3 NCS RESTRAINTS STATISTICS REMARK 3 NUMBER OF DIFFERENT NCS GROUPS : NULL REMARK 3 REMARK 3 TLS DETAILS REMARK 3 NUMBER OF TLS GROUPS : 5 REMARK 3 REMARK 3 TLS GROUP : 1 REMARK 3 NUMBER OF COMPONENTS GROUP : 1 REMARK 3 COMPONENTS C SSSEQI TO C SSSEQI REMARK 3 RESIDUE RANGE : A 7 A 27 REMARK 3 ORIGIN FOR THE GROUP (A): 13.1842 0.8185 3.5698 REMARK 3 T TENSOR REMARK 3 T11: 0.0835 T22: 0.0509 REMARK 3 T33: 0.0612 T12: 0.0290 REMARK 3 T13: 0.0008 T23: 0.0137 REMARK 3 L TENSOR REMARK 3 L11: 2.2008 L22: 3.5459 REMARK 3 L33: 1.0485 L12: 0.0293 REMARK 3 L13: -0.0171 L23: 0.8489 REMARK 3 S TENSOR REMARK 3 S11: -0.0572 S12: -0.0489 S13: -0.2759 REMARK 3 S21: 0.1282 S22: 0.0517 S23: 0.0023 REMARK 3 S31: 0.0895 S32: 0.0625 S33: 0.0054 REMARK 3 REMARK 3 TLS GROUP : 2 REMARK 3 NUMBER OF COMPONENTS GROUP : 1 REMARK 3 COMPONENTS C SSSEQI TO C SSSEQI REMARK 3 RESIDUE RANGE : A 28 A 35 REMARK 3 ORIGIN FOR THE GROUP (A): 17.7988 1.0197 0.0583 REMARK 3 T TENSOR REMARK 3 T11: 0.0753 T22: 0.0662 REMARK 3 T33: 0.0843 T12: 0.0168 REMARK 3 T13: 0.0181 T23: -0.0097 REMARK 3 L TENSOR REMARK 3 L11: 1.8303 L22: 6.7580 REMARK 3 L33: 0.0822 L12: -3.8225 REMARK 3 L13: -0.2273 L23: 1.0958 REMARK 3 S TENSOR REMARK 3 S11: 0.1493 S12: 0.0793 S13: -0.0907 REMARK 3 S21: -0.3909 S22: -0.0920 S23: -0.3329 REMARK 3 S31: -0.0925 S32: -0.0007 S33: -0.0573 REMARK 3 REMARK 3 TLS GROUP : 3 REMARK 3 NUMBER OF COMPONENTS GROUP : 1 REMARK 3 COMPONENTS C SSSEQI TO C SSSEQI REMARK 3 RESIDUE RANGE : A 36 A 80 REMARK 3 ORIGIN FOR THE GROUP (A): 10.3229 8.1957 8.4993 REMARK 3 T TENSOR REMARK 3 T11: 0.1208 T22: 0.1271 REMARK 3 T33: 0.0549 T12: 0.0103 REMARK 3 T13: -0.0035 T23: 0.0194 REMARK 3 L TENSOR REMARK 3 L11: 2.7057 L22: 2.9976 REMARK 3 L33: 1.3722 L12: -0.3343 REMARK 3 L13: 0.1098 L23: 0.5898 REMARK 3 S TENSOR REMARK 3 S11: -0.0984 S12: -0.2704 S13: -0.0474 REMARK 3 S21: 0.3478 S22: 0.0490 S23: 0.0365 REMARK 3 S31: 0.0939 S32: 0.0729 S33: 0.0494 REMARK 3 REMARK 3 TLS GROUP : 4 REMARK 3 NUMBER OF COMPONENTS GROUP : 1 REMARK 3 COMPONENTS C SSSEQI TO C SSSEQI REMARK 3 RESIDUE RANGE : A 81 A 131 REMARK 3 ORIGIN FOR THE GROUP (A): 6.0542 12.5857 2.1262 REMARK 3 T TENSOR REMARK 3 T11: 0.0520 T22: 0.0614 REMARK 3 T33: 0.0503 T12: -0.0059 REMARK 3 T13: -0.0013 T23: 0.0078 REMARK 3 L TENSOR REMARK 3 L11: 2.6888 L22: 2.2376 REMARK 3 L33: 0.2608 L12: -0.9114 REMARK 3 L13: -0.1236 L23: 0.4503 REMARK 3 S TENSOR REMARK 3 S11: -0.0397 S12: 0.0367 S13: 0.0428 REMARK 3 S21: 0.0024 S22: 0.0145 S23: 0.1776 REMARK 3 S31: 0.0213 S32: -0.0156 S33: 0.0252 REMARK 3 REMARK 3 TLS GROUP : 5 REMARK 3 NUMBER OF COMPONENTS GROUP : 1 REMARK 3 COMPONENTS C SSSEQI TO C SSSEQI REMARK 3 RESIDUE RANGE : A 132 A 141 REMARK 3 ORIGIN FOR THE GROUP (A): 0.1061 21.0999 15.3986 REMARK 3 T TENSOR REMARK 3 T11: 0.1232 T22: 0.1130 REMARK 3 T33: 0.0516 T12: 0.0879 REMARK 3 T13: 0.0691 T23: -0.1312 REMARK 3 L TENSOR REMARK 3 L11: 11.6319 L22: 7.4200 REMARK 3 L33: 9.8920 L12: 2.9216 REMARK 3 L13: 5.1499 L23: -1.1211 REMARK 3 S TENSOR REMARK 3 S11: -0.2934 S12: -0.9166 S13: 1.0109 REMARK 3 S21: 0.8444 S22: 0.0318 S23: 0.4007 REMARK 3 S31: -0.2653 S32: -0.2360 S33: 0.2616 REMARK 3 REMARK 3 BULK SOLVENT MODELLING. REMARK 3 METHOD USED : MASK REMARK 3 PARAMETERS FOR MASK CALCULATION REMARK 3 VDW PROBE RADIUS : 1.40 REMARK 3 ION PROBE RADIUS : 0.80 REMARK 3 SHRINKAGE RADIUS : 0.80 REMARK 3 REMARK 3 OTHER REFINEMENT REMARKS: REMARK 3 HYDROGENS HAVE BEEN ADDED IN THE RIDING POSITIONS REMARK 3 U VALUES : WITH TLS ADDED REMARK 4 REMARK 4 3V2T COMPLIES WITH FORMAT V. 3.30, 13-JUL-11 REMARK 100 REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY RCSB ON 13-DEC-11. REMARK 100 THE DEPOSITION ID IS D_1000069523. REMARK 200 REMARK 200 EXPERIMENTAL DETAILS REMARK 200 EXPERIMENT TYPE : X-RAY DIFFRACTION REMARK 200 DATE OF DATA COLLECTION : 25-JAN-11 REMARK 200 TEMPERATURE (KELVIN) : 100 REMARK 200 PH : 6.0 REMARK 200 NUMBER OF CRYSTALS USED : 1 REMARK 200 REMARK 200 SYNCHROTRON (Y/N) : N REMARK 200 RADIATION SOURCE : SEALED TUBE REMARK 200 BEAMLINE : NULL REMARK 200 X-RAY GENERATOR MODEL : OTHER REMARK 200 MONOCHROMATIC OR LAUE (M/L) : M REMARK 200 WAVELENGTH OR RANGE (A) : 1.5418 REMARK 200 MONOCHROMATOR : GE(111) REMARK 200 OPTICS : MULTI-LAYER OPTICS REMARK 200 REMARK 200 DETECTOR TYPE : CCD REMARK 200 DETECTOR MANUFACTURER : APEX II CCD REMARK 200 INTENSITY-INTEGRATION SOFTWARE : APEX REMARK 200 DATA SCALING SOFTWARE : APEX REMARK 200 REMARK 200 NUMBER OF UNIQUE REFLECTIONS : 13205 REMARK 200 RESOLUTION RANGE HIGH (A) : 1.800 REMARK 200 RESOLUTION RANGE LOW (A) : 25.047 REMARK 200 REJECTION CRITERIA (SIGMA(I)) : 0.000 REMARK 200 REMARK 200 OVERALL. REMARK 200 COMPLETENESS FOR RANGE (%) : 100.0 REMARK 200 DATA REDUNDANCY : 12.60 REMARK 200 R MERGE (I) : 0.02200 REMARK 200 R SYM (I) : NULL REMARK 200 FOR THE DATA SET : 33.6000 REMARK 200 REMARK 200 IN THE HIGHEST RESOLUTION SHELL. REMARK 200 HIGHEST RESOLUTION SHELL, RANGE HIGH (A) : 1.80 REMARK 200 HIGHEST RESOLUTION SHELL, RANGE LOW (A) : 1.89 REMARK 200 COMPLETENESS FOR SHELL (%) : 100.0 REMARK 200 DATA REDUNDANCY IN SHELL : 4.97 REMARK 200 R MERGE FOR SHELL (I) : 0.15600 REMARK 200 R SYM FOR SHELL (I) : NULL REMARK 200 FOR SHELL : 6.090 REMARK 200 REMARK 200 DIFFRACTION PROTOCOL: SINGLE WAVELENGTH REMARK 200 METHOD USED TO DETERMINE THE STRUCTURE: MOLECULAR REPLACEMENT REMARK 200 SOFTWARE USED: PHASER 2.2.1 REMARK 200 STARTING MODEL: PDB ENTRY 3BDC REMARK 200 REMARK 200 REMARK: NULL REMARK 280 REMARK 280 CRYSTAL REMARK 280 SOLVENT CONTENT, VS (%): 45.14 REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 2.24 REMARK 280 REMARK 280 CRYSTALLIZATION CONDITIONS: 20% MPD, 25 MM POTASSIUM PHOSPHATE, REMARK 280 CALCIUM CHLORIDE, PDTP, PH 6.0, VAPOR DIFFUSION, HANGING DROP, REMARK 280 TEMPERATURE 277K 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 30.19100 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: 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 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 ILE A 18 -74.39 -114.46 REMARK 500 ASP A 19 -158.63 -142.24 REMARK 500 TYR A 54 -1.95 69.32 REMARK 500 ASN A 138 -106.41 55.26 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 CA A 150 CA REMARK 620 N RES CSSEQI ATOM REMARK 620 1 ASP A 21 OD2 REMARK 620 2 ASP A 40 OD1 80.3 REMARK 620 3 THR A 41 O 89.4 76.1 REMARK 620 4 GLU A 43 OE2 151.9 126.2 104.9 REMARK 620 5 HOH A 159 O 81.5 138.2 66.4 82.3 REMARK 620 6 HOH A 165 O 74.5 133.0 141.0 79.4 76.1 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 CA A 150 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC2 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE THP A 151 REMARK 900 REMARK 900 RELATED ENTRIES REMARK 900 RELATED ID: 3BDC RELATED DB: PDB REMARK 900 STAPHYLOCOCCAL NUCLEASE DELTA +PHS REMARK 900 RELATED ID: 3MEH RELATED DB: PDB REMARK 900 CRYSTAL STRUCTURE OF STAPHYLOCOCCAL NUCLEASE VARIANT DELTA+PHS I92A REMARK 900 AT CRYOGENIC TEMPERATURE REMARK 900 RELATED ID: 3NQT RELATED DB: PDB REMARK 900 CRYSTAL STRUCTURE OF STAPHYLOCOCCAL NUCLEASE VARIANT DELTA+PHS V66A REMARK 900 AT CRYOGENIC TEMPERATURE REMARK 900 RELATED ID: 3SXH RELATED DB: PDB REMARK 900 CRYSTAL STRUCTURE OF STAPHYLOCOCCAL NUCLEASE VARIANT DELTA+PHS I92A/ REMARK 900 L103A AT CRYOGENIC TEMPERATURE DBREF 3V2T A 1 149 UNP P00644 NUC_STAAU 83 231 SEQADV 3V2T A UNP P00644 THR 126 DELETION SEQADV 3V2T A UNP P00644 LYS 127 DELETION SEQADV 3V2T A UNP P00644 HIS 128 DELETION SEQADV 3V2T A UNP P00644 PRO 129 DELETION SEQADV 3V2T A UNP P00644 LYS 130 DELETION SEQADV 3V2T A UNP P00644 LYS 131 DELETION SEQADV 3V2T PHE A 50 UNP P00644 GLY 132 ENGINEERED MUTATION SEQADV 3V2T ASN A 51 UNP P00644 VAL 133 ENGINEERED MUTATION SEQADV 3V2T ALA A 66 UNP P00644 VAL 148 ENGINEERED MUTATION SEQADV 3V2T ALA A 92 UNP P00644 ILE 174 ENGINEERED MUTATION SEQADV 3V2T GLY A 117 UNP P00644 PRO 199 ENGINEERED MUTATION SEQADV 3V2T LEU A 124 UNP P00644 HIS 206 ENGINEERED MUTATION SEQADV 3V2T ALA A 128 UNP P00644 SER 210 ENGINEERED MUTATION SEQRES 1 A 143 ALA THR SER THR LYS LYS LEU HIS LYS GLU PRO ALA THR SEQRES 2 A 143 LEU ILE LYS ALA ILE ASP GLY ASP THR VAL LYS LEU MET SEQRES 3 A 143 TYR LYS GLY GLN PRO MET THR PHE ARG LEU LEU LEU VAL SEQRES 4 A 143 ASP THR PRO GLU PHE ASN GLU LYS TYR GLY PRO GLU ALA SEQRES 5 A 143 SER ALA PHE THR LYS LYS MET ALA GLU ASN ALA LYS LYS SEQRES 6 A 143 ILE GLU VAL GLU PHE ASP LYS GLY GLN ARG THR ASP LYS SEQRES 7 A 143 TYR GLY ARG GLY LEU ALA TYR ALA TYR ALA ASP GLY LYS SEQRES 8 A 143 MET VAL ASN GLU ALA LEU VAL ARG GLN GLY LEU ALA LYS SEQRES 9 A 143 VAL ALA TYR VAL TYR LYS GLY ASN ASN THR HIS GLU GLN SEQRES 10 A 143 LEU LEU ARG LYS ALA GLU ALA GLN ALA LYS LYS GLU LYS SEQRES 11 A 143 LEU ASN ILE TRP SER GLU ASP ASN ALA ASP SER GLY GLN HET CA A 150 1 HET THP A 151 25 HETNAM CA CALCIUM ION HETNAM THP THYMIDINE-3',5'-DIPHOSPHATE FORMUL 2 CA CA 2+ FORMUL 3 THP C10 H16 N2 O11 P2 FORMUL 4 HOH *115(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 GLU A 75 -1 N GLU A 75 O TYR A 91 SHEET 4 A 7 GLU A 10 ALA A 17 -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 ARG A 35 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 LINK OD2 ASP A 21 CA CA A 150 1555 1555 2.87 LINK OD1 ASP A 40 CA CA A 150 1555 1555 2.81 LINK O THR A 41 CA CA A 150 1555 1555 2.90 LINK OE2 GLU A 43 CA CA A 150 1555 1555 2.94 LINK CA CA A 150 O HOH A 159 1555 1555 2.96 LINK CA CA A 150 O HOH A 165 1555 1555 2.70 SITE 1 AC1 7 ASP A 21 ASP A 40 THR A 41 GLU A 43 SITE 2 AC1 7 THP A 151 HOH A 159 HOH A 165 SITE 1 AC2 20 ARG A 35 ASP A 40 LYS A 84 TYR A 85 SITE 2 AC2 20 ARG A 87 LEU A 89 TYR A 113 TYR A 115 SITE 3 AC2 20 LYS A 127 CA A 150 HOH A 160 HOH A 165 SITE 4 AC2 20 HOH A 185 HOH A 188 HOH A 191 HOH A 193 SITE 5 AC2 20 HOH A 198 HOH A 199 HOH A 237 HOH A 244 CRYST1 31.112 60.382 38.473 90.00 94.24 90.00 P 1 21 1 2 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 0.032142 0.000000 0.002383 0.00000 SCALE2 0.000000 0.016561 0.000000 0.00000 SCALE3 0.000000 0.000000 0.026064 0.00000