HEADER HYDROLASE/DNA 03-JUN-02 1LWS TITLE CRYSTAL STRUCTURE OF THE INTEIN HOMING ENDONUCLEASE PI-SCEI TITLE 2 BOUND TO ITS RECOGNITION SEQUENCE COMPND MOL_ID: 1; COMPND 2 MOLECULE: PI-SCEI DNA RECOGNITION REGION TOP STRAND; COMPND 3 CHAIN: B; COMPND 4 ENGINEERED: YES; COMPND 5 MOL_ID: 2; COMPND 6 MOLECULE: PI-SCEI DNA RECOGNITION REGION BOTTOM STRAND; COMPND 7 CHAIN: C; COMPND 8 ENGINEERED: YES; COMPND 9 MOL_ID: 3; COMPND 10 MOLECULE: ENDONUCLEASE PI-SCEI; COMPND 11 CHAIN: A; COMPND 12 SYNONYM: PI-SCEI, VMA-DERIVED ENDONUCLEASE, VDE, SCE VMA COMPND 13 INTEIN; COMPND 14 EC: 3.1.-.-; COMPND 15 ENGINEERED: YES SOURCE MOL_ID: 1; SOURCE 2 SYNTHETIC: YES; SOURCE 3 MOL_ID: 2; SOURCE 4 SYNTHETIC: YES; SOURCE 5 MOL_ID: 3; SOURCE 6 ORGANISM_SCIENTIFIC: SACCHAROMYCES CEREVISIAE; SOURCE 7 ORGANISM_COMMON: BAKER'S YEAST; SOURCE 8 ORGANISM_TAXID: 4932; SOURCE 9 GENE: VMA1; SOURCE 10 EXPRESSION_SYSTEM: ESCHERICHIA COLI; SOURCE 11 EXPRESSION_SYSTEM_TAXID: 562; SOURCE 12 EXPRESSION_SYSTEM_STRAIN: DL41 (DE3); SOURCE 13 EXPRESSION_SYSTEM_VECTOR_TYPE: PLASMID; SOURCE 14 EXPRESSION_SYSTEM_PLASMID: PT7PI-SCEI KEYWDS HOMING ENDONUCLEASE, INTEIN, PROTEIN-DNA COMPLEX, KEYWDS 2 ENDONUCLEASE, HYDROLASE/DNA COMPLEX EXPDTA X-RAY DIFFRACTION AUTHOR C.M.MOURE,F.S.GIMBLE,F.A.QUIOCHO REVDAT 2 24-FEB-09 1LWS 1 VERSN REVDAT 1 27-SEP-02 1LWS 0 JRNL AUTH C.M.MOURE,F.S.GIMBLE,F.A.QUIOCHO JRNL TITL CRYSTAL STRUCTURE OF THE INTEIN HOMING JRNL TITL 2 ENDONUCLEASE PI-SCEI BOUND TO ITS RECOGNITION JRNL TITL 3 SEQUENCE. JRNL REF NAT.STRUCT.BIOL. V. 9 764 2002 JRNL REFN ISSN 1072-8368 JRNL PMID 12219083 JRNL DOI 10.1038/NSB840 REMARK 1 REMARK 1 REFERENCE 1 REMARK 1 AUTH X.DUAN,F.S.GIMBLE,F.A.QUIOCHO REMARK 1 TITL CRYSTAL STRUCTURE OF PI-SCEI, A HOMING REMARK 1 TITL 2 ENDONUCLEASE WITH PROTEIN SPLICING ACTIVITY REMARK 1 REF CELL(CAMBRIDGE,MASS.) V. 89 555 1997 REMARK 1 REFN ISSN 0092-8674 REMARK 1 DOI 10.1016/S0092-8674(00)80237-8 REMARK 2 REMARK 2 RESOLUTION. 3.50 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 : NULL REMARK 3 REMARK 3 DATA USED IN REFINEMENT. REMARK 3 RESOLUTION RANGE HIGH (ANGSTROMS) : 3.50 REMARK 3 RESOLUTION RANGE LOW (ANGSTROMS) : 24.92 REMARK 3 DATA CUTOFF (SIGMA(F)) : 2.000 REMARK 3 DATA CUTOFF HIGH (ABS(F)) : NULL REMARK 3 DATA CUTOFF LOW (ABS(F)) : NULL REMARK 3 COMPLETENESS (WORKING+TEST) (%) : 97.6 REMARK 3 NUMBER OF REFLECTIONS : 11584 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) : 0.287 REMARK 3 FREE R VALUE : 0.310 REMARK 3 FREE R VALUE TEST SET SIZE (%) : 5.100 REMARK 3 FREE R VALUE TEST SET COUNT : 622 REMARK 3 ESTIMATED ERROR OF FREE R VALUE : 0.012 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) : 3.50 REMARK 3 BIN RESOLUTION RANGE LOW (A) : 3.66 REMARK 3 BIN COMPLETENESS (WORKING+TEST) (%) : 96.80 REMARK 3 REFLECTIONS IN BIN (WORKING SET) : 1881 REMARK 3 BIN R VALUE (WORKING SET) : 0.3719 REMARK 3 BIN FREE R VALUE : 0.3945 REMARK 3 BIN FREE R VALUE TEST SET SIZE (%) : 4.30 REMARK 3 BIN FREE R VALUE TEST SET COUNT : 124 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 : 3360 REMARK 3 NUCLEIC ACID ATOMS : 1394 REMARK 3 HETEROGEN ATOMS : 2 REMARK 3 SOLVENT ATOMS : 0 REMARK 3 REMARK 3 B VALUES. REMARK 3 FROM WILSON PLOT (A**2) : NULL REMARK 3 MEAN B VALUE (OVERALL, A**2) : 69.60 REMARK 3 OVERALL ANISOTROPIC B VALUE. REMARK 3 B11 (A**2) : 10.91000 REMARK 3 B22 (A**2) : 10.91000 REMARK 3 B33 (A**2) : -21.83000 REMARK 3 B12 (A**2) : 11.77000 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) : 0.63 REMARK 3 ESD FROM C-V SIGMAA (A) : 0.89 REMARK 3 REMARK 3 RMS DEVIATIONS FROM IDEAL VALUES. REMARK 3 BOND LENGTHS (A) : 0.011 REMARK 3 BOND ANGLES (DEGREES) : 1.60 REMARK 3 DIHEDRAL ANGLES (DEGREES) : 22.40 REMARK 3 IMPROPER ANGLES (DEGREES) : 1.25 REMARK 3 REMARK 3 ISOTROPIC THERMAL MODEL : GROUP FOR PROTEIN ATOMS, OVERALL FOR REMARK 3 DNA REMARK 3 REMARK 3 ISOTROPIC THERMAL FACTOR RESTRAINTS. RMS SIGMA REMARK 3 MAIN-CHAIN BOND (A**2) : 8.580 ; 1.500 REMARK 3 MAIN-CHAIN ANGLE (A**2) : 13.300; 2.000 REMARK 3 SIDE-CHAIN BOND (A**2) : 7.640 ; 2.000 REMARK 3 SIDE-CHAIN ANGLE (A**2) : 11.130; 2.500 REMARK 3 REMARK 3 BULK SOLVENT MODELING. REMARK 3 METHOD USED : FLAT MODEL REMARK 3 KSOL : 0.21 REMARK 3 BSOL : 28.14 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 : DNA-RNA_REP.PARAM REMARK 3 PARAMETER FILE 3 : ION.PARAM REMARK 3 PARAMETER FILE 4 : NULL REMARK 3 TOPOLOGY FILE 1 : PROTEIN.TOP REMARK 3 TOPOLOGY FILE 2 : DNA-RNA.TOP REMARK 3 TOPOLOGY FILE 3 : ION.TOP REMARK 3 TOPOLOGY FILE 4 : NULL REMARK 3 REMARK 3 OTHER REFINEMENT REMARKS: BULK SOLVENT MODEL USED REMARK 4 REMARK 4 1LWS COMPLIES WITH FORMAT V. 3.15, 01-DEC-08 REMARK 100 REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY RCSB ON 07-JUN-02. REMARK 100 THE RCSB ID CODE IS RCSB016357. REMARK 200 REMARK 200 EXPERIMENTAL DETAILS REMARK 200 EXPERIMENT TYPE : X-RAY DIFFRACTION REMARK 200 DATE OF DATA COLLECTION : NULL; NULL REMARK 200 TEMPERATURE (KELVIN) : 200; NULL REMARK 200 PH : 7.5 REMARK 200 NUMBER OF CRYSTALS USED : 2 REMARK 200 REMARK 200 SYNCHROTRON (Y/N) : Y; Y REMARK 200 RADIATION SOURCE : APS; APS REMARK 200 BEAMLINE : 14-BM-D; 14-BM-C REMARK 200 X-RAY GENERATOR MODEL : NULL; NULL REMARK 200 MONOCHROMATIC OR LAUE (M/L) : M; NULL REMARK 200 WAVELENGTH OR RANGE (A) : 0.9792, 0.9789, 0.9611; 1.0 REMARK 200 MONOCHROMATOR : NULL; NULL REMARK 200 OPTICS : NULL; NULL REMARK 200 REMARK 200 DETECTOR TYPE : CCD; NULL REMARK 200 DETECTOR MANUFACTURER : ADSC QUANTUM 4; NULL REMARK 200 INTENSITY-INTEGRATION SOFTWARE : DENZO REMARK 200 DATA SCALING SOFTWARE : SCALEPACK REMARK 200 REMARK 200 NUMBER OF UNIQUE REFLECTIONS : 12539 REMARK 200 RESOLUTION RANGE HIGH (A) : 3.500 REMARK 200 RESOLUTION RANGE LOW (A) : 30.000 REMARK 200 REJECTION CRITERIA (SIGMA(I)) : -3.000 REMARK 200 REMARK 200 OVERALL. REMARK 200 COMPLETENESS FOR RANGE (%) : 98.6 REMARK 200 DATA REDUNDANCY : 9.000 REMARK 200 R MERGE (I) : 0.05900 REMARK 200 R SYM (I) : 0.05900 REMARK 200 FOR THE DATA SET : 18.1000 REMARK 200 REMARK 200 IN THE HIGHEST RESOLUTION SHELL. REMARK 200 HIGHEST RESOLUTION SHELL, RANGE HIGH (A) : 3.50 REMARK 200 HIGHEST RESOLUTION SHELL, RANGE LOW (A) : 3.63 REMARK 200 COMPLETENESS FOR SHELL (%) : 96.8 REMARK 200 DATA REDUNDANCY IN SHELL : NULL REMARK 200 R MERGE FOR SHELL (I) : 0.20100 REMARK 200 R SYM FOR SHELL (I) : 0.20100 REMARK 200 FOR SHELL : NULL REMARK 200 REMARK 200 DIFFRACTION PROTOCOL: MAD; NULL REMARK 200 METHOD USED TO DETERMINE THE STRUCTURE: MAD REMARK 200 SOFTWARE USED: CNS REMARK 200 STARTING MODEL: NULL REMARK 200 REMARK 200 REMARK: NULL REMARK 280 REMARK 280 CRYSTAL REMARK 280 SOLVENT CONTENT, VS (%): 60.06 REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 3.08 REMARK 280 REMARK 280 CRYSTALLIZATION CONDITIONS: PEG 200, NA HEPES, CALCIUM REMARK 280 CHLORIDE, PH 7.5, VAPOR DIFFUSION, HANGING DROP, TEMPERATURE REMARK 280 291K REMARK 290 REMARK 290 CRYSTALLOGRAPHIC SYMMETRY REMARK 290 SYMMETRY OPERATORS FOR SPACE GROUP: P 65 2 2 REMARK 290 REMARK 290 SYMOP SYMMETRY REMARK 290 NNNMMM OPERATOR REMARK 290 1555 X,Y,Z REMARK 290 2555 -Y,X-Y,Z+2/3 REMARK 290 3555 -X+Y,-X,Z+1/3 REMARK 290 4555 -X,-Y,Z+1/2 REMARK 290 5555 Y,-X+Y,Z+1/6 REMARK 290 6555 X-Y,X,Z+5/6 REMARK 290 7555 Y,X,-Z+2/3 REMARK 290 8555 X-Y,-Y,-Z REMARK 290 9555 -X,-X+Y,-Z+1/3 REMARK 290 10555 -Y,-X,-Z+1/6 REMARK 290 11555 -X+Y,Y,-Z+1/2 REMARK 290 12555 X,X-Y,-Z+5/6 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 -0.500000 -0.866025 0.000000 0.00000 REMARK 290 SMTRY2 2 0.866025 -0.500000 0.000000 0.00000 REMARK 290 SMTRY3 2 0.000000 0.000000 1.000000 141.13333 REMARK 290 SMTRY1 3 -0.500000 0.866025 0.000000 0.00000 REMARK 290 SMTRY2 3 -0.866025 -0.500000 0.000000 0.00000 REMARK 290 SMTRY3 3 0.000000 0.000000 1.000000 70.56667 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 105.85000 REMARK 290 SMTRY1 5 0.500000 0.866025 0.000000 0.00000 REMARK 290 SMTRY2 5 -0.866025 0.500000 0.000000 0.00000 REMARK 290 SMTRY3 5 0.000000 0.000000 1.000000 35.28333 REMARK 290 SMTRY1 6 0.500000 -0.866025 0.000000 0.00000 REMARK 290 SMTRY2 6 0.866025 0.500000 0.000000 0.00000 REMARK 290 SMTRY3 6 0.000000 0.000000 1.000000 176.41667 REMARK 290 SMTRY1 7 -0.500000 0.866025 0.000000 0.00000 REMARK 290 SMTRY2 7 0.866025 0.500000 0.000000 0.00000 REMARK 290 SMTRY3 7 0.000000 0.000000 -1.000000 141.13333 REMARK 290 SMTRY1 8 1.000000 0.000000 0.000000 0.00000 REMARK 290 SMTRY2 8 0.000000 -1.000000 0.000000 0.00000 REMARK 290 SMTRY3 8 0.000000 0.000000 -1.000000 0.00000 REMARK 290 SMTRY1 9 -0.500000 -0.866025 0.000000 0.00000 REMARK 290 SMTRY2 9 -0.866025 0.500000 0.000000 0.00000 REMARK 290 SMTRY3 9 0.000000 0.000000 -1.000000 70.56667 REMARK 290 SMTRY1 10 0.500000 -0.866025 0.000000 0.00000 REMARK 290 SMTRY2 10 -0.866025 -0.500000 0.000000 0.00000 REMARK 290 SMTRY3 10 0.000000 0.000000 -1.000000 35.28333 REMARK 290 SMTRY1 11 -1.000000 0.000000 0.000000 0.00000 REMARK 290 SMTRY2 11 0.000000 1.000000 0.000000 0.00000 REMARK 290 SMTRY3 11 0.000000 0.000000 -1.000000 105.85000 REMARK 290 SMTRY1 12 0.500000 0.866025 0.000000 0.00000 REMARK 290 SMTRY2 12 0.866025 -0.500000 0.000000 0.00000 REMARK 290 SMTRY3 12 0.000000 0.000000 -1.000000 176.41667 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 APPLY THE FOLLOWING TO CHAINS: B, C, 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 DC B 1 REMARK 465 DG B 36 REMARK 465 DG B 37 REMARK 465 DG C 1 REMARK 465 DC C 2 REMARK 465 DC C 3 REMARK 465 GLU A 100 REMARK 465 TYR A 101 REMARK 465 GLU A 134 REMARK 465 GLY A 135 REMARK 465 GLU A 251 REMARK 465 TYR A 252 REMARK 465 LYS A 253 REMARK 465 ASP A 254 REMARK 465 ARG A 255 REMARK 465 LYS A 256 REMARK 465 GLU A 257 REMARK 465 PRO A 258 REMARK 465 GLN A 259 REMARK 465 LYS A 269 REMARK 465 VAL A 270 REMARK 465 VAL A 271 REMARK 465 ARG A 272 REMARK 465 GLY A 273 REMARK 465 ASN A 274 REMARK 465 GLY A 275 REMARK 465 ILE A 276 REMARK 465 ARG A 277 REMARK 465 ASN A 278 REMARK 465 ASN A 279 REMARK 465 LEU A 280 REMARK 465 ASN A 281 REMARK 465 THR A 282 REMARK 500 REMARK 500 GEOMETRY AND STEREOCHEMISTRY REMARK 500 SUBTOPIC: COVALENT BOND ANGLES REMARK 500 REMARK 500 THE STEREOCHEMICAL PARAMETERS OF THE FOLLOWING RESIDUES REMARK 500 HAVE VALUES WHICH DEVIATE FROM EXPECTED VALUES BY MORE REMARK 500 THAN 6*RMSD (M=MODEL NUMBER; RES=RESIDUE NAME; C=CHAIN REMARK 500 IDENTIFIER; SSEQ=SEQUENCE NUMBER; I=INSERTION CODE). REMARK 500 REMARK 500 STANDARD TABLE: REMARK 500 FORMAT: (10X,I3,1X,A3,1X,A1,I4,A1,3(1X,A4,2X),12X,F5.1) REMARK 500 REMARK 500 EXPECTED VALUES PROTEIN: ENGH AND HUBER, 1999 REMARK 500 EXPECTED VALUES NUCLEIC ACID: CLOWNEY ET AL 1996 REMARK 500 REMARK 500 M RES CSSEQI ATM1 ATM2 ATM3 REMARK 500 DC B 3 O4' - C1' - N1 ANGL. DEV. = 2.4 DEGREES REMARK 500 DT C 6 N1 - C1' - C2' ANGL. DEV. = 8.5 DEGREES REMARK 500 DC C 14 O4' - C1' - N1 ANGL. DEV. = 1.8 DEGREES REMARK 500 DT C 21 O4' - C1' - N1 ANGL. DEV. = 2.6 DEGREES REMARK 500 DC C 22 O4' - C1' - N1 ANGL. DEV. = 3.2 DEGREES REMARK 500 REMARK 500 REMARK: NULL 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 PHE A 2 -156.99 -104.44 REMARK 500 SER A 14 -166.15 -57.10 REMARK 500 GLU A 19 30.22 -67.76 REMARK 500 ASN A 20 -14.91 -150.48 REMARK 500 ILE A 38 -43.17 -135.98 REMARK 500 LEU A 40 76.61 -118.95 REMARK 500 GLU A 45 168.82 170.27 REMARK 500 GLN A 55 26.25 -67.32 REMARK 500 SER A 64 7.11 92.40 REMARK 500 LEU A 70 15.62 -149.79 REMARK 500 LEU A 71 104.61 77.95 REMARK 500 ILE A 96 -150.55 -98.56 REMARK 500 LYS A 97 -0.43 -42.93 REMARK 500 GLU A 103 165.12 176.86 REMARK 500 ARG A 118 124.74 -28.95 REMARK 500 LEU A 122 -178.20 172.50 REMARK 500 LYS A 128 108.23 -170.96 REMARK 500 ARG A 138 -79.56 -55.52 REMARK 500 LEU A 142 -5.73 -54.27 REMARK 500 SER A 150 163.43 171.94 REMARK 500 ASN A 151 -60.44 -102.00 REMARK 500 LYS A 152 140.33 -34.32 REMARK 500 ARG A 162 -15.05 -46.24 REMARK 500 GLN A 177 -166.64 -104.80 REMARK 500 SER A 196 -155.84 -152.16 REMARK 500 LYS A 197 147.81 -0.00 REMARK 500 PHE A 198 74.46 -67.64 REMARK 500 ILE A 202 -21.24 98.00 REMARK 500 GLU A 203 2.22 -158.64 REMARK 500 LYS A 206 -80.31 -70.97 REMARK 500 SER A 221 24.81 -71.24 REMARK 500 ASP A 222 -6.90 -144.02 REMARK 500 ALA A 224 65.11 -63.47 REMARK 500 ASN A 247 46.86 79.38 REMARK 500 ASP A 288 43.63 -74.75 REMARK 500 ALA A 289 -55.27 -151.51 REMARK 500 VAL A 291 -61.68 -102.33 REMARK 500 ASN A 302 129.24 179.23 REMARK 500 PHE A 306 -44.22 -21.76 REMARK 500 ASN A 311 121.80 -22.73 REMARK 500 ILE A 312 -70.18 -49.46 REMARK 500 HIS A 333 44.80 -107.67 REMARK 500 THR A 341 154.41 149.40 REMARK 500 ARG A 347 -79.59 -43.52 REMARK 500 ALA A 409 -78.64 -48.84 REMARK 500 ALA A 410 -152.54 -99.18 REMARK 500 SER A 437 135.41 -13.47 REMARK 500 ASP A 438 41.86 -64.24 REMARK 500 ASP A 439 64.57 -177.84 REMARK 500 GLN A 449 11.56 84.36 REMARK 500 REMARK 500 REMARK: NULL REMARK 500 REMARK 500 GEOMETRY AND STEREOCHEMISTRY REMARK 500 SUBTOPIC: PLANAR GROUPS REMARK 500 REMARK 500 PLANAR GROUPS IN THE FOLLOWING RESIDUES HAVE A TOTAL REMARK 500 RMS DISTANCE OF ALL ATOMS FROM THE BEST-FIT PLANE REMARK 500 BY MORE THAN AN EXPECTED VALUE OF 6*RMSD, WITH AN REMARK 500 RMSD 0.02 ANGSTROMS, OR AT LEAST ONE ATOM HAS REMARK 500 AN RMSD GREATER THAN THIS VALUE REMARK 500 (M=MODEL NUMBER; RES=RESIDUE NAME; C=CHAIN IDENTIFIER; REMARK 500 SSEQ=SEQUENCE NUMBER; I=INSERTION CODE). REMARK 500 REMARK 500 M RES CSSEQI RMS TYPE REMARK 500 DA B 24 0.07 SIDE_CHAIN 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 501 CA REMARK 620 N RES CSSEQI ATOM REMARK 620 1 ASP A 326 OD2 REMARK 620 2 ASP A 326 OD1 51.5 REMARK 620 3 ASP A 218 OD1 70.5 65.9 REMARK 620 4 GLY A 217 O 69.2 118.8 83.1 REMARK 620 N 1 2 3 REMARK 620 REMARK 620 COORDINATION ANGLES FOR: M RES CSSEQI METAL REMARK 620 CA A 502 CA REMARK 620 N RES CSSEQI ATOM REMARK 620 1 SER A 325 O REMARK 620 2 ASP A 218 OD1 100.8 REMARK 620 3 ASP A 218 OD2 62.2 47.9 REMARK 620 4 ASP A 326 OD1 73.6 68.9 85.2 REMARK 620 N 1 2 3 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 501 REMARK 800 SITE_IDENTIFIER: AC2 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE CA A 502 REMARK 900 REMARK 900 RELATED ENTRIES REMARK 900 RELATED ID: 1VDE RELATED DB: PDB REMARK 900 PI-SCEI, A HOMING ENDONUCLEASE WITH PROTEIN SPLICING REMARK 900 ACTIVITY REMARK 900 RELATED ID: 1LWT RELATED DB: PDB REMARK 900 CRYSTAL STRUCTURE OF THE INTEIN HOMING ENDONUCLEASE PI_SCEI REMARK 900 BOUND TO ITS SUBSTRATE DNA (CA2+ FREE) DBREF 1LWS A 1 454 UNP P17255 VATA_YEAST 284 737 DBREF 1LWS B 1 37 PDB 1LWS 1LWS 1 37 DBREF 1LWS C 1 37 PDB 1LWS 1LWS 1 37 SEQADV 1LWS MSE A 10 UNP P17255 MET 293 MODIFIED RESIDUE SEQADV 1LWS MSE A 28 UNP P17255 MET 311 MODIFIED RESIDUE SEQADV 1LWS MSE A 47 UNP P17255 MET 330 MODIFIED RESIDUE SEQADV 1LWS MSE A 109 UNP P17255 MET 392 MODIFIED RESIDUE SEQADV 1LWS MSE A 193 UNP P17255 MET 476 MODIFIED RESIDUE SEQADV 1LWS MSE A 236 UNP P17255 MET 519 MODIFIED RESIDUE SEQADV 1LWS MSE A 372 UNP P17255 MET 655 MODIFIED RESIDUE SEQADV 1LWS MSE A 385 UNP P17255 MET 668 MODIFIED RESIDUE SEQRES 1 B 37 DC DT DC DT DA DT DG DT DC DG DG DG DT SEQRES 2 B 37 DG DC DG DG DA DG DA DA DA DG DA DG DG SEQRES 3 B 37 DT DA DA DT DG DA DA DA DT DG DG SEQRES 1 C 37 DG DC DC DA DT DT DT DC DA DT DT DA DC SEQRES 2 C 37 DC DT DC DT DT DT DC DT DC DC DG DC DA SEQRES 3 C 37 DC DC DC DG DA DC DA DT DA DG DA SEQRES 1 A 454 CYS PHE ALA LYS GLY THR ASN VAL LEU MSE ALA ASP GLY SEQRES 2 A 454 SER ILE GLU CYS ILE GLU ASN ILE GLU VAL GLY ASN LYS SEQRES 3 A 454 VAL MSE GLY LYS ASP GLY ARG PRO ARG GLU VAL ILE LYS SEQRES 4 A 454 LEU PRO ARG GLY ARG GLU THR MSE TYR SER VAL VAL GLN SEQRES 5 A 454 LYS SER GLN HIS ARG ALA HIS LYS SER ASP SER SER ARG SEQRES 6 A 454 GLU VAL PRO GLU LEU LEU LYS PHE THR CYS ASN ALA THR SEQRES 7 A 454 HIS GLU LEU VAL VAL ARG THR PRO ARG SER VAL ARG ARG SEQRES 8 A 454 LEU SER ARG THR ILE LYS GLY VAL GLU TYR PHE GLU VAL SEQRES 9 A 454 ILE THR PHE GLU MSE GLY GLN LYS LYS ALA PRO ASP GLY SEQRES 10 A 454 ARG ILE VAL GLU LEU VAL LYS GLU VAL SER LYS SER TYR SEQRES 11 A 454 PRO ILE SER GLU GLY PRO GLU ARG ALA ASN GLU LEU VAL SEQRES 12 A 454 GLU SER TYR ARG LYS ALA SER ASN LYS ALA TYR PHE GLU SEQRES 13 A 454 TRP THR ILE GLU ALA ARG ASP LEU SER LEU LEU GLY SER SEQRES 14 A 454 HIS VAL ARG LYS ALA THR TYR GLN THR TYR ALA PRO ILE SEQRES 15 A 454 LEU TYR GLU ASN ASP HIS PHE PHE ASP TYR MSE GLN LYS SEQRES 16 A 454 SER LYS PHE HIS LEU THR ILE GLU GLY PRO LYS VAL LEU SEQRES 17 A 454 ALA TYR LEU LEU GLY LEU TRP ILE GLY ASP GLY LEU SER SEQRES 18 A 454 ASP ARG ALA THR PHE SER VAL ASP SER ARG ASP THR SER SEQRES 19 A 454 LEU MSE GLU ARG VAL THR GLU TYR ALA GLU LYS LEU ASN SEQRES 20 A 454 LEU CYS ALA GLU TYR LYS ASP ARG LYS GLU PRO GLN VAL SEQRES 21 A 454 ALA LYS THR VAL ASN LEU TYR SER LYS VAL VAL ARG GLY SEQRES 22 A 454 ASN GLY ILE ARG ASN ASN LEU ASN THR GLU ASN PRO LEU SEQRES 23 A 454 TRP ASP ALA ILE VAL GLY LEU GLY PHE LEU LYS ASP GLY SEQRES 24 A 454 VAL LYS ASN ILE PRO SER PHE LEU SER THR ASP ASN ILE SEQRES 25 A 454 GLY THR ARG GLU THR PHE LEU ALA GLY LEU ILE ASP SER SEQRES 26 A 454 ASP GLY TYR VAL THR ASP GLU HIS GLY ILE LYS ALA THR SEQRES 27 A 454 ILE LYS THR ILE HIS THR SER VAL ARG ASP GLY LEU VAL SEQRES 28 A 454 SER LEU ALA ARG SER LEU GLY LEU VAL VAL SER VAL ASN SEQRES 29 A 454 ALA GLU PRO ALA LYS VAL ASP MSE ASN GLY THR LYS HIS SEQRES 30 A 454 LYS ILE SER TYR ALA ILE TYR MSE SER GLY GLY ASP VAL SEQRES 31 A 454 LEU LEU ASN VAL LEU SER LYS CYS ALA GLY SER LYS LYS SEQRES 32 A 454 PHE ARG PRO ALA PRO ALA ALA ALA PHE ALA ARG GLU CYS SEQRES 33 A 454 ARG GLY PHE TYR PHE GLU LEU GLN GLU LEU LYS GLU ASP SEQRES 34 A 454 ASP TYR TYR GLY ILE THR LEU SER ASP ASP SER ASP HIS SEQRES 35 A 454 GLN PHE LEU LEU ALA ASN GLN VAL VAL VAL HIS ASN MODRES 1LWS MSE A 10 MET SELENOMETHIONINE MODRES 1LWS MSE A 28 MET SELENOMETHIONINE MODRES 1LWS MSE A 47 MET SELENOMETHIONINE MODRES 1LWS MSE A 109 MET SELENOMETHIONINE MODRES 1LWS MSE A 193 MET SELENOMETHIONINE MODRES 1LWS MSE A 236 MET SELENOMETHIONINE MODRES 1LWS MSE A 372 MET SELENOMETHIONINE MODRES 1LWS MSE A 385 MET SELENOMETHIONINE HET MSE A 10 8 HET MSE A 28 8 HET MSE A 47 8 HET MSE A 109 8 HET MSE A 193 8 HET MSE A 236 8 HET MSE A 372 8 HET MSE A 385 8 HET CA A 501 1 HET CA A 502 1 HETNAM MSE SELENOMETHIONINE HETNAM CA CALCIUM ION FORMUL 3 MSE 8(C5 H11 N O2 SE) FORMUL 4 CA 2(CA 2+) HELIX 1 1 GLU A 19 ILE A 21 5 3 HELIX 2 2 ARG A 57 ASP A 62 1 6 HELIX 3 3 PRO A 136 LYS A 148 1 13 HELIX 4 4 ARG A 162 LEU A 167 5 6 HELIX 5 5 SER A 169 THR A 175 1 7 HELIX 6 6 PHE A 189 LYS A 195 1 7 HELIX 7 7 GLU A 203 ASP A 218 1 16 HELIX 8 8 ASP A 232 ASN A 247 1 16 HELIX 9 9 LEU A 286 VAL A 291 1 6 HELIX 10 10 SER A 305 ASP A 310 5 6 HELIX 11 11 ASN A 311 ASP A 326 1 16 HELIX 12 12 HIS A 343 LEU A 357 1 15 HELIX 13 13 GLY A 388 SER A 396 1 9 SHEET 1 A 2 ASN A 7 VAL A 8 0 SHEET 2 A 2 GLU A 16 CYS A 17 -1 O GLU A 16 N VAL A 8 SHEET 1 B 3 LYS A 26 MSE A 28 0 SHEET 2 B 3 PRO A 34 LYS A 39 -1 O ARG A 35 N VAL A 27 SHEET 3 B 3 THR A 435 LEU A 436 -1 O THR A 435 N LYS A 39 SHEET 1 C 3 LYS A 72 ASN A 76 0 SHEET 2 C 3 ARG A 42 GLN A 52 -1 N VAL A 50 O PHE A 73 SHEET 3 C 3 PHE A 421 TYR A 432 -1 O TYR A 431 N GLY A 43 SHEET 1 D 2 GLU A 80 PRO A 86 0 SHEET 2 D 2 TYR A 154 GLU A 160 -1 O ILE A 159 N LEU A 81 SHEET 1 E 3 VAL A 89 ARG A 90 0 SHEET 2 E 3 ILE A 105 LYS A 113 -1 O ILE A 105 N ARG A 90 SHEET 3 E 3 ILE A 119 VAL A 126 -1 O VAL A 126 N THR A 106 SHEET 1 F 2 GLN A 177 TYR A 179 0 SHEET 2 F 2 ARG A 417 PHE A 419 -1 O PHE A 419 N GLN A 177 SHEET 1 G 2 THR A 225 ASP A 229 0 SHEET 2 G 2 ALA A 261 ASN A 265 -1 O LYS A 262 N VAL A 228 SHEET 1 H 2 LEU A 296 LYS A 297 0 SHEET 2 H 2 VAL A 300 LYS A 301 -1 O VAL A 300 N LYS A 297 SHEET 1 I 4 GLY A 327 THR A 330 0 SHEET 2 I 4 LYS A 336 ILE A 339 -1 O THR A 338 N TYR A 328 SHEET 3 I 4 SER A 380 SER A 386 -1 O ILE A 383 N ILE A 339 SHEET 4 I 4 VAL A 360 GLU A 366 -1 N GLU A 366 O SER A 380 SHEET 1 J 2 VAL A 370 ASP A 371 0 SHEET 2 J 2 THR A 375 LYS A 376 -1 O THR A 375 N ASP A 371 SHEET 1 K 2 GLN A 443 LEU A 445 0 SHEET 2 K 2 VAL A 451 HIS A 453 -1 O VAL A 452 N PHE A 444 LINK C LEU A 9 N MSE A 10 1555 1555 1.33 LINK C MSE A 10 N ALA A 11 1555 1555 1.34 LINK C VAL A 27 N MSE A 28 1555 1555 1.34 LINK C MSE A 28 N GLY A 29 1555 1555 1.34 LINK C THR A 46 N MSE A 47 1555 1555 1.33 LINK C MSE A 47 N TYR A 48 1555 1555 1.33 LINK C GLU A 108 N MSE A 109 1555 1555 1.32 LINK C MSE A 109 N GLY A 110 1555 1555 1.33 LINK C TYR A 192 N MSE A 193 1555 1555 1.33 LINK C MSE A 193 N GLN A 194 1555 1555 1.34 LINK C LEU A 235 N MSE A 236 1555 1555 1.33 LINK C MSE A 236 N GLU A 237 1555 1555 1.33 LINK C ASP A 371 N MSE A 372 1555 1555 1.33 LINK C MSE A 372 N ASN A 373 1555 1555 1.33 LINK C TYR A 384 N MSE A 385 1555 1555 1.33 LINK C MSE A 385 N SER A 386 1555 1555 1.33 LINK CA CA A 501 OD2 ASP A 326 1555 1555 2.06 LINK CA CA A 501 OD1 ASP A 326 1555 1555 2.74 LINK CA CA A 501 OD1 ASP A 218 1555 1555 2.65 LINK CA CA A 501 O GLY A 217 1555 1555 2.78 LINK CA CA A 502 O SER A 325 1555 1555 2.85 LINK CA CA A 502 OD1 ASP A 218 1555 1555 2.85 LINK CA CA A 502 OD2 ASP A 218 1555 1555 2.61 LINK CA CA A 502 OD1 ASP A 326 1555 1555 2.26 SITE 1 AC1 3 GLY A 217 ASP A 218 ASP A 326 SITE 1 AC2 3 ASP A 218 SER A 325 ASP A 326 CRYST1 123.000 123.000 211.700 90.00 90.00 120.00 P 65 2 2 12 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 0.008130 0.004694 0.000000 0.00000 SCALE2 0.000000 0.009388 0.000000 0.00000 SCALE3 0.000000 0.000000 0.004724 0.00000