HEADER HYDROLASE 28-AUG-02 1MK0 TITLE CATALYTIC DOMAIN OF INTRON ENDONUCLEASE I-TEVI, E75A MUTANT COMPND MOL_ID: 1; COMPND 2 MOLECULE: INTRON-ASSOCIATED ENDONUCLEASE 1; COMPND 3 CHAIN: A; COMPND 4 FRAGMENT: CATALYTIC DOMAIN (RESIDUES 1 TO 97); COMPND 5 SYNONYM: I-TEVI, IRF PROTEIN; COMPND 6 EC: 3.1.-.-; COMPND 7 ENGINEERED: YES; COMPND 8 MUTATION: YES SOURCE MOL_ID: 1; SOURCE 2 ORGANISM_SCIENTIFIC: ENTEROBACTERIA PHAGE T4; SOURCE 3 ORGANISM_TAXID: 10665; SOURCE 4 EXPRESSION_SYSTEM: ESCHERICHIA COLI; SOURCE 5 EXPRESSION_SYSTEM_TAXID: 562 KEYWDS ALPHA/BETA FOLD; CATALYTIC DOMAIN; DNA-BINDING SURFACE, HYDROLASE EXPDTA X-RAY DIFFRACTION AUTHOR P.VAN ROEY,L.MEEHAN,J.C.KOWALSKI,M.BELFORT,V.DERBYSHIRE REVDAT 3 27-OCT-21 1MK0 1 REMARK SEQADV LINK REVDAT 2 24-FEB-09 1MK0 1 VERSN REVDAT 1 30-OCT-02 1MK0 0 JRNL AUTH P.VAN ROEY,L.MEEHAN,J.C.KOWALSKI,M.BELFORT,V.DERBYSHIRE JRNL TITL CATALYTIC DOMAIN STRUCTURE AND HYPOTHESIS FOR FUNCTION OF JRNL TITL 2 GIY-YIG INTRON ENDONUCLEASE I-TEVI. JRNL REF NAT.STRUCT.BIOL. V. 9 806 2002 JRNL REFN ISSN 1072-8368 JRNL PMID 12379841 REMARK 2 REMARK 2 RESOLUTION. 1.60 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) : 1.60 REMARK 3 RESOLUTION RANGE LOW (ANGSTROMS) : 36.55 REMARK 3 DATA CUTOFF (SIGMA(F)) : 0.000 REMARK 3 DATA CUTOFF HIGH (ABS(F)) : 1085373.690 REMARK 3 DATA CUTOFF LOW (ABS(F)) : 0.0000 REMARK 3 COMPLETENESS (WORKING+TEST) (%) : 99.6 REMARK 3 NUMBER OF REFLECTIONS : 15030 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) : 0.197 REMARK 3 FREE R VALUE : 0.216 REMARK 3 FREE R VALUE TEST SET SIZE (%) : 10.100 REMARK 3 FREE R VALUE TEST SET COUNT : 1522 REMARK 3 ESTIMATED ERROR OF FREE R VALUE : 0.006 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) : 1.60 REMARK 3 BIN RESOLUTION RANGE LOW (A) : 1.70 REMARK 3 BIN COMPLETENESS (WORKING+TEST) (%) : 98.80 REMARK 3 REFLECTIONS IN BIN (WORKING SET) : 2191 REMARK 3 BIN R VALUE (WORKING SET) : 0.2290 REMARK 3 BIN FREE R VALUE : 0.2620 REMARK 3 BIN FREE R VALUE TEST SET SIZE (%) : 9.80 REMARK 3 BIN FREE R VALUE TEST SET COUNT : 237 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 : 804 REMARK 3 NUCLEIC ACID ATOMS : 0 REMARK 3 HETEROGEN ATOMS : 17 REMARK 3 SOLVENT ATOMS : 189 REMARK 3 REMARK 3 B VALUES. REMARK 3 FROM WILSON PLOT (A**2) : 16.70 REMARK 3 MEAN B VALUE (OVERALL, A**2) : 16.60 REMARK 3 OVERALL ANISOTROPIC B VALUE. REMARK 3 B11 (A**2) : -3.29000 REMARK 3 B22 (A**2) : 5.08000 REMARK 3 B33 (A**2) : -1.80000 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) : 0.21 REMARK 3 ESD FROM C-V SIGMAA (A) : 0.11 REMARK 3 REMARK 3 RMS DEVIATIONS FROM IDEAL VALUES. REMARK 3 BOND LENGTHS (A) : 0.004 REMARK 3 BOND ANGLES (DEGREES) : 1.300 REMARK 3 DIHEDRAL ANGLES (DEGREES) : 21.70 REMARK 3 IMPROPER ANGLES (DEGREES) : 0.670 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) : 1.060 ; 1.500 REMARK 3 MAIN-CHAIN ANGLE (A**2) : 1.580 ; 2.000 REMARK 3 SIDE-CHAIN BOND (A**2) : 2.570 ; 2.000 REMARK 3 SIDE-CHAIN ANGLE (A**2) : 3.210 ; 2.500 REMARK 3 REMARK 3 BULK SOLVENT MODELING. REMARK 3 METHOD USED : FLAT MODEL REMARK 3 KSOL : 0.39 REMARK 3 BSOL : 41.20 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 : WATER_REP.PARAM REMARK 3 PARAMETER FILE 3 : ION.PARAM REMARK 3 PARAMETER FILE 4 : CIT_PAR.PARAM REMARK 3 PARAMETER FILE 5 : BME_PAR.PARAM REMARK 3 PARAMETER FILE 6 : NULL REMARK 3 TOPOLOGY FILE 1 : PROTEIN.TOP REMARK 3 TOPOLOGY FILE 2 : WATER.TOP REMARK 3 TOPOLOGY FILE 3 : ION.TOP REMARK 3 TOPOLOGY FILE 4 : CIT_TOP.PARAM REMARK 3 TOPOLOGY FILE 5 : BME_TOP.PARAM REMARK 3 TOPOLOGY FILE 6 : NULL REMARK 3 REMARK 3 OTHER REFINEMENT REMARKS: NULL REMARK 4 REMARK 4 1MK0 COMPLIES WITH FORMAT V. 3.30, 13-JUL-11 REMARK 100 REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY RCSB ON 05-SEP-02. REMARK 100 THE DEPOSITION ID IS D_1000016968. REMARK 200 REMARK 200 EXPERIMENTAL DETAILS REMARK 200 EXPERIMENT TYPE : X-RAY DIFFRACTION REMARK 200 DATE OF DATA COLLECTION : 11-JUL-02 REMARK 200 TEMPERATURE (KELVIN) : 100 REMARK 200 PH : 6.5 REMARK 200 NUMBER OF CRYSTALS USED : 1 REMARK 200 REMARK 200 SYNCHROTRON (Y/N) : Y REMARK 200 RADIATION SOURCE : NSLS REMARK 200 BEAMLINE : X12C REMARK 200 X-RAY GENERATOR MODEL : NULL REMARK 200 MONOCHROMATIC OR LAUE (M/L) : M REMARK 200 WAVELENGTH OR RANGE (A) : 1.00 REMARK 200 MONOCHROMATOR : NULL REMARK 200 OPTICS : NULL REMARK 200 REMARK 200 DETECTOR TYPE : CCD REMARK 200 DETECTOR MANUFACTURER : BRANDEIS - B1.2 REMARK 200 INTENSITY-INTEGRATION SOFTWARE : HKL-2000 REMARK 200 DATA SCALING SOFTWARE : SCALEPACK REMARK 200 REMARK 200 NUMBER OF UNIQUE REFLECTIONS : 15342 REMARK 200 RESOLUTION RANGE HIGH (A) : 1.600 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 (%) : 99.7 REMARK 200 DATA REDUNDANCY : 9.000 REMARK 200 R MERGE (I) : 0.03400 REMARK 200 R SYM (I) : NULL REMARK 200 FOR THE DATA SET : 84.0000 REMARK 200 REMARK 200 IN THE HIGHEST RESOLUTION SHELL. REMARK 200 HIGHEST RESOLUTION SHELL, RANGE HIGH (A) : 1.60 REMARK 200 HIGHEST RESOLUTION SHELL, RANGE LOW (A) : 1.65 REMARK 200 COMPLETENESS FOR SHELL (%) : 98.3 REMARK 200 DATA REDUNDANCY IN SHELL : 6.50 REMARK 200 R MERGE FOR SHELL (I) : 0.09200 REMARK 200 R SYM FOR SHELL (I) : NULL REMARK 200 FOR SHELL : 12.00 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: PDB ENTRY 1LN0 REMARK 200 REMARK 200 REMARK: NULL REMARK 280 REMARK 280 CRYSTAL REMARK 280 SOLVENT CONTENT, VS (%): 48.48 REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 2.39 REMARK 280 REMARK 280 CRYSTALLIZATION CONDITIONS: 1.6 M SODIUM CITRATE, PH 6.5, VAPOR REMARK 280 DIFFUSION, HANGING DROP, TEMPERATURE 283K 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 14.18000 REMARK 290 SMTRY2 2 0.000000 -1.000000 0.000000 0.00000 REMARK 290 SMTRY3 2 0.000000 0.000000 1.000000 48.71000 REMARK 290 SMTRY1 3 -1.000000 0.000000 0.000000 0.00000 REMARK 290 SMTRY2 3 0.000000 1.000000 0.000000 19.71500 REMARK 290 SMTRY3 3 0.000000 0.000000 -1.000000 48.71000 REMARK 290 SMTRY1 4 1.000000 0.000000 0.000000 14.18000 REMARK 290 SMTRY2 4 0.000000 -1.000000 0.000000 19.71500 REMARK 290 SMTRY3 4 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 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 800 REMARK 800 SITE REMARK 800 SITE_IDENTIFIER: AC1 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE CIT A 300 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC2 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE BME A 401 REMARK 900 REMARK 900 RELATED ENTRIES REMARK 900 RELATED ID: 1LN0 RELATED DB: PDB REMARK 900 STRUCTURE OF THE CATALYTIC DOMAIN OF HOMING ENDONUCLEASE I-TEVI DBREF 1MK0 A 1 97 UNP P13299 TEV1_BPT4 1 97 SEQADV 1MK0 ALA A 75 UNP P13299 GLU 75 ENGINEERED MUTATION SEQRES 1 A 97 MET LYS SER GLY ILE TYR GLN ILE LYS ASN THR LEU ASN SEQRES 2 A 97 ASN LYS VAL TYR VAL GLY SER ALA LYS ASP PHE GLU LYS SEQRES 3 A 97 ARG TRP LYS ARG HIS PHE LYS ASP LEU GLU LYS GLY CYS SEQRES 4 A 97 HIS SER SER ILE LYS LEU GLN ARG SER PHE ASN LYS HIS SEQRES 5 A 97 GLY ASN VAL PHE GLU CYS SER ILE LEU GLU GLU ILE PRO SEQRES 6 A 97 TYR GLU LYS ASP LEU ILE ILE GLU ARG ALA ASN PHE TRP SEQRES 7 A 97 ILE LYS GLU LEU ASN SER LYS ILE ASN GLY TYR ASN ILE SEQRES 8 A 97 ALA ASP ALA THR PHE GLY MODRES 1MK0 CYS A 39 CYS DISULFIDE BRIDGE HET CIT A 300 13 HET BME A 401 4 HETNAM CIT CITRIC ACID HETNAM BME BETA-MERCAPTOETHANOL FORMUL 2 CIT C6 H8 O7 FORMUL 3 BME C2 H6 O S FORMUL 4 HOH *189(H2 O) HELIX 1 1 ASP A 23 GLY A 38 1 16 HELIX 2 2 SER A 42 GLY A 53 1 12 HELIX 3 3 GLU A 67 LEU A 82 1 16 SHEET 1 A 3 VAL A 16 ALA A 21 0 SHEET 2 A 3 GLY A 4 ASN A 10 -1 N TYR A 6 O GLY A 19 SHEET 3 A 3 PHE A 56 GLU A 63 -1 O GLU A 57 N LYS A 9 LINK SG CYS A 39 S2 BME A 401 1555 1555 2.02 SITE 1 AC1 16 TYR A 6 TYR A 17 GLY A 19 SER A 20 SITE 2 AC1 16 ARG A 27 HIS A 31 ALA A 94 THR A 95 SITE 3 AC1 16 HOH A 403 HOH A 404 HOH A 419 HOH A 422 SITE 4 AC1 16 HOH A 484 HOH A 495 HOH A 511 HOH A 529 SITE 1 AC2 6 ASP A 34 LYS A 37 CYS A 39 LEU A 61 SITE 2 AC2 6 TRP A 78 HOH A 420 CRYST1 28.360 39.430 97.420 90.00 90.00 90.00 P 21 21 21 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 0.035261 0.000000 0.000000 0.00000 SCALE2 0.000000 0.025361 0.000000 0.00000 SCALE3 0.000000 0.000000 0.010265 0.00000