HEADER HYDROLASE/DNA 10-JUL-02 1M5X TITLE CRYSTAL STRUCTURE OF THE HOMING ENDONUCLEASE I-MSOI BOUND TO ITS DNA TITLE 2 SUBSTRATE COMPND MOL_ID: 1; COMPND 2 MOLECULE: 5'-D(*GP*CP*AP*GP*AP*AP*CP*GP*TP*CP*GP*TP*GP*AP*GP*AP*CP*AP COMPND 3 *GP*TP*TP*CP*CP*G)-3'; COMPND 4 CHAIN: C; COMPND 5 ENGINEERED: YES; COMPND 6 OTHER_DETAILS: TARGET DNA (WATSON STRAND); COMPND 7 MOL_ID: 2; COMPND 8 MOLECULE: 5'-D(*CP*GP*GP*AP*AP*CP*TP*GP*TP*CP*TP*CP*AP*CP*GP*AP*CP*GP COMPND 9 *TP*TP*CP*TP*GP*C)-3'; COMPND 10 CHAIN: D; COMPND 11 ENGINEERED: YES; COMPND 12 OTHER_DETAILS: TARGET DNA (CRICK STRAND); COMPND 13 MOL_ID: 3; COMPND 14 MOLECULE: DNA ENDONUCLEASE I-MSOI; COMPND 15 CHAIN: A, B; COMPND 16 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: MONOMASTIX SP.; SOURCE 7 ORGANISM_TAXID: 141716; SOURCE 8 STRAIN: OKE-1; SOURCE 9 EXPRESSION_SYSTEM: ESCHERICHIA COLI; SOURCE 10 EXPRESSION_SYSTEM_TAXID: 562; SOURCE 11 EXPRESSION_SYSTEM_STRAIN: BL21[DE3]; SOURCE 12 EXPRESSION_SYSTEM_VECTOR_TYPE: PLASMID; SOURCE 13 EXPRESSION_SYSTEM_PLASMID: PI-MSOI KEYWDS LAGLIDADG, HYDROLASE-DNA COMPLEX EXPDTA X-RAY DIFFRACTION AUTHOR B.CHEVALIER,M.TURMEL,C.LEMIEUX,R.J.MONNAT,B.L.STODDARD REVDAT 6 03-APR-24 1M5X 1 REMARK REVDAT 5 14-FEB-24 1M5X 1 REMARK LINK REVDAT 4 07-MAR-18 1M5X 1 REMARK REVDAT 3 13-JUL-11 1M5X 1 VERSN REVDAT 2 24-FEB-09 1M5X 1 VERSN REVDAT 1 03-JUN-03 1M5X 0 JRNL AUTH B.CHEVALIER,M.TURMEL,C.LEMIEUX,R.J.MONNAT,B.L.STODDARD JRNL TITL FLEXIBLE DNA TARGET SITE RECOGNITION BY DIVERGENT HOMING JRNL TITL 2 ENDONUCLEASE ISOSCHIZOMERS I-CREI AND I-MSOI JRNL REF J.MOL.BIOL. V. 329 253 2003 JRNL REFN ISSN 0022-2836 JRNL PMID 12758074 JRNL DOI 10.1016/S0022-2836(03)00447-9 REMARK 2 REMARK 2 RESOLUTION. 2.25 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 : ENGH & HUBER REMARK 3 REMARK 3 DATA USED IN REFINEMENT. REMARK 3 RESOLUTION RANGE HIGH (ANGSTROMS) : 2.25 REMARK 3 RESOLUTION RANGE LOW (ANGSTROMS) : 19.96 REMARK 3 DATA CUTOFF (SIGMA(F)) : 0.000 REMARK 3 DATA CUTOFF HIGH (ABS(F)) : 881264.790 REMARK 3 DATA CUTOFF LOW (ABS(F)) : 0.0000 REMARK 3 COMPLETENESS (WORKING+TEST) (%) : 97.7 REMARK 3 NUMBER OF REFLECTIONS : 19849 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) : 0.219 REMARK 3 FREE R VALUE : 0.255 REMARK 3 FREE R VALUE TEST SET SIZE (%) : 4.800 REMARK 3 FREE R VALUE TEST SET COUNT : 956 REMARK 3 ESTIMATED ERROR OF FREE R VALUE : 0.008 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) : 2.25 REMARK 3 BIN RESOLUTION RANGE LOW (A) : 2.39 REMARK 3 BIN COMPLETENESS (WORKING+TEST) (%) : 96.80 REMARK 3 REFLECTIONS IN BIN (WORKING SET) : 3112 REMARK 3 BIN R VALUE (WORKING SET) : 0.2660 REMARK 3 BIN FREE R VALUE : 0.3020 REMARK 3 BIN FREE R VALUE TEST SET SIZE (%) : 5.60 REMARK 3 BIN FREE R VALUE TEST SET COUNT : 184 REMARK 3 ESTIMATED ERROR OF BIN FREE R VALUE : 0.022 REMARK 3 REMARK 3 NUMBER OF NON-HYDROGEN ATOMS USED IN REFINEMENT. REMARK 3 PROTEIN ATOMS : 2612 REMARK 3 NUCLEIC ACID ATOMS : 978 REMARK 3 HETEROGEN ATOMS : 3 REMARK 3 SOLVENT ATOMS : 229 REMARK 3 REMARK 3 B VALUES. REMARK 3 FROM WILSON PLOT (A**2) : 23.20 REMARK 3 MEAN B VALUE (OVERALL, A**2) : 38.30 REMARK 3 OVERALL ANISOTROPIC B VALUE. REMARK 3 B11 (A**2) : 7.08000 REMARK 3 B22 (A**2) : 4.05000 REMARK 3 B33 (A**2) : -11.12000 REMARK 3 B12 (A**2) : -6.22000 REMARK 3 B13 (A**2) : 4.61000 REMARK 3 B23 (A**2) : 9.45000 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) : 0.35 REMARK 3 ESD FROM C-V SIGMAA (A) : 0.36 REMARK 3 REMARK 3 RMS DEVIATIONS FROM IDEAL VALUES. REMARK 3 BOND LENGTHS (A) : 0.006 REMARK 3 BOND ANGLES (DEGREES) : 1.300 REMARK 3 DIHEDRAL ANGLES (DEGREES) : 21.50 REMARK 3 IMPROPER ANGLES (DEGREES) : 1.170 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) : 1.490 ; 1.500 REMARK 3 MAIN-CHAIN ANGLE (A**2) : 2.350 ; 2.000 REMARK 3 SIDE-CHAIN BOND (A**2) : 1.900 ; 2.000 REMARK 3 SIDE-CHAIN ANGLE (A**2) : 2.900 ; 2.500 REMARK 3 REMARK 3 BULK SOLVENT MODELING. REMARK 3 METHOD USED : FLAT MODEL REMARK 3 KSOL : 0.35 REMARK 3 BSOL : 43.76 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 : WATER_REP.PARAM REMARK 3 PARAMETER FILE 5 : NULL REMARK 3 TOPOLOGY FILE 1 : PROTEIN.TOP REMARK 3 TOPOLOGY FILE 2 : NULL 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: NULL REMARK 4 REMARK 4 1M5X COMPLIES WITH FORMAT V. 3.30, 13-JUL-11 REMARK 100 REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY RCSB ON 26-JUL-02. REMARK 100 THE DEPOSITION ID IS D_1000016638. REMARK 200 REMARK 200 EXPERIMENTAL DETAILS REMARK 200 EXPERIMENT TYPE : X-RAY DIFFRACTION REMARK 200 DATE OF DATA COLLECTION : 05-MAR-01 REMARK 200 TEMPERATURE (KELVIN) : 200 REMARK 200 PH : 7.0 REMARK 200 NUMBER OF CRYSTALS USED : 1 REMARK 200 REMARK 200 SYNCHROTRON (Y/N) : Y REMARK 200 RADIATION SOURCE : ALS REMARK 200 BEAMLINE : 5.0.2 REMARK 200 X-RAY GENERATOR MODEL : NULL REMARK 200 MONOCHROMATIC OR LAUE (M/L) : M REMARK 200 WAVELENGTH OR RANGE (A) : 1.0 REMARK 200 MONOCHROMATOR : NULL REMARK 200 OPTICS : NULL REMARK 200 REMARK 200 DETECTOR TYPE : CCD REMARK 200 DETECTOR MANUFACTURER : NULL REMARK 200 INTENSITY-INTEGRATION SOFTWARE : HKL-2000 REMARK 200 DATA SCALING SOFTWARE : SCALEPACK REMARK 200 REMARK 200 NUMBER OF UNIQUE REFLECTIONS : 20335 REMARK 200 RESOLUTION RANGE HIGH (A) : 2.250 REMARK 200 RESOLUTION RANGE LOW (A) : 50.000 REMARK 200 REJECTION CRITERIA (SIGMA(I)) : NULL REMARK 200 REMARK 200 OVERALL. REMARK 200 COMPLETENESS FOR RANGE (%) : 97.6 REMARK 200 DATA REDUNDANCY : NULL REMARK 200 R MERGE (I) : 0.03500 REMARK 200 R SYM (I) : NULL REMARK 200 FOR THE DATA SET : 26.1000 REMARK 200 REMARK 200 IN THE HIGHEST RESOLUTION SHELL. REMARK 200 HIGHEST RESOLUTION SHELL, RANGE HIGH (A) : 2.25 REMARK 200 HIGHEST RESOLUTION SHELL, RANGE LOW (A) : 2.39 REMARK 200 COMPLETENESS FOR SHELL (%) : 96.9 REMARK 200 DATA REDUNDANCY IN SHELL : NULL REMARK 200 R MERGE FOR SHELL (I) : 0.07600 REMARK 200 R SYM FOR SHELL (I) : NULL REMARK 200 FOR SHELL : 9.790 REMARK 200 REMARK 200 DIFFRACTION PROTOCOL: SINGLE WAVELENGTH REMARK 200 METHOD USED TO DETERMINE THE STRUCTURE: MOLECULAR REPLACEMENT REMARK 200 SOFTWARE USED: EPMR REMARK 200 STARTING MODEL: POLY ANANINE I-CREI/DNA COMPLEX REMARK 200 REMARK 200 REMARK: NULL REMARK 280 REMARK 280 CRYSTAL REMARK 280 SOLVENT CONTENT, VS (%): 39.58 REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 2.04 REMARK 280 REMARK 280 CRYSTALLIZATION CONDITIONS: PEG 400, SODIUM CHLORIDE, CALCIUM REMARK 280 CHLORIDE, PH 7.0, VAPOR DIFFUSION, HANGING DROP, TEMPERATURE 291K REMARK 290 REMARK 290 CRYSTALLOGRAPHIC SYMMETRY REMARK 290 SYMMETRY OPERATORS FOR SPACE GROUP: P 1 REMARK 290 REMARK 290 SYMOP SYMMETRY REMARK 290 NNNMMM OPERATOR REMARK 290 1555 X,Y,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 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: TETRAMERIC REMARK 350 APPLY THE FOLLOWING TO CHAINS: C, D, A, 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 MET A 1 REMARK 465 THR A 2 REMARK 465 THR A 3 REMARK 465 LYS A 4 REMARK 465 ASN A 5 REMARK 465 GLU A 167 REMARK 465 SER A 168 REMARK 465 SER A 169 REMARK 465 PRO A 170 REMARK 465 MET B 201 REMARK 465 THR B 202 REMARK 465 THR B 203 REMARK 465 LYS B 204 REMARK 465 ASN B 205 REMARK 465 GLU B 367 REMARK 465 SER B 368 REMARK 465 SER B 369 REMARK 465 PRO B 370 REMARK 500 REMARK 500 GEOMETRY AND STEREOCHEMISTRY REMARK 500 SUBTOPIC: CLOSE CONTACTS IN SAME ASYMMETRIC UNIT REMARK 500 REMARK 500 THE FOLLOWING ATOMS ARE IN CLOSE CONTACT. REMARK 500 REMARK 500 ATM1 RES C SSEQI ATM2 RES C SSEQI DISTANCE REMARK 500 NE2 GLN A 122 O HOH A 1054 1.21 REMARK 500 OP2 DG D 552 CE LYS A 36 1.50 REMARK 500 CD LYS A 36 O HOH D 1195 1.66 REMARK 500 CD GLN A 122 O HOH A 1054 1.93 REMARK 500 REMARK 500 REMARK: NULL 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 GLN B 208 CB - CA - C ANGL. DEV. = -12.9 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 ASP A 37 -37.58 -145.28 REMARK 500 LYS A 39 46.27 -78.89 REMARK 500 ARG A 102 -72.15 -121.96 REMARK 500 ASN A 124 93.27 -162.27 REMARK 500 ASP B 237 -60.62 -106.63 REMARK 500 LYS B 239 44.09 -87.87 REMARK 500 ASP B 253 -9.94 -53.74 REMARK 500 ARG B 302 -68.29 -122.22 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 C 801 CA REMARK 620 N RES CSSEQI ATOM REMARK 620 1 DA C 514 O3' REMARK 620 2 DG C 515 OP2 51.8 REMARK 620 3 DC D 564 O3' 114.9 134.4 REMARK 620 4 DG D 565 OP2 124.7 172.5 52.3 REMARK 620 5 ASP A 22 OD2 74.0 78.7 145.1 94.1 REMARK 620 6 ASP B 222 OD1 140.5 90.8 100.0 90.8 88.0 REMARK 620 N 1 2 3 4 5 REMARK 620 REMARK 620 COORDINATION ANGLES FOR: M RES CSSEQI METAL REMARK 620 CA A 802 CA REMARK 620 N RES CSSEQI ATOM REMARK 620 1 DA C 514 OP1 REMARK 620 2 DG D 565 OP2 115.4 REMARK 620 3 HOH D1228 O 89.1 78.9 REMARK 620 4 ASP A 22 OD1 76.1 132.8 148.2 REMARK 620 5 ASP A 22 OD2 80.3 88.4 158.3 46.6 REMARK 620 6 GLY B 221 O 157.4 85.1 105.0 82.9 91.2 REMARK 620 7 HOH B1225 O 90.0 141.2 72.2 79.6 126.2 78.0 REMARK 620 N 1 2 3 4 5 6 REMARK 620 REMARK 620 COORDINATION ANGLES FOR: M RES CSSEQI METAL REMARK 620 CA B 803 CA REMARK 620 N RES CSSEQI ATOM REMARK 620 1 DG C 515 OP2 REMARK 620 2 HOH C1226 O 65.1 REMARK 620 3 DC D 564 OP1 107.1 87.2 REMARK 620 4 GLY A 21 O 76.6 111.3 160.5 REMARK 620 5 ASP B 222 OD2 131.1 162.4 81.2 82.2 REMARK 620 6 ASP B 222 OD1 84.7 144.3 84.0 77.2 47.5 REMARK 620 7 HOH B1227 O 144.3 102.6 105.5 77.6 68.2 113.1 REMARK 620 N 1 2 3 4 5 6 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 802 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC2 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE CA B 803 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC3 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE CA C 801 DBREF 1M5X A 1 170 UNP Q8WKW7 Q8WKW7_MONSK 1 170 DBREF 1M5X B 201 370 UNP Q8WKW7 Q8WKW7_MONSK 1 170 DBREF 1M5X C 501 524 PDB 1M5X 1M5X 501 524 DBREF 1M5X D 551 574 PDB 1M5X 1M5X 551 574 SEQRES 1 C 24 DG DC DA DG DA DA DC DG DT DC DG DT DG SEQRES 2 C 24 DA DG DA DC DA DG DT DT DC DC DG SEQRES 1 D 24 DC DG DG DA DA DC DT DG DT DC DT DC DA SEQRES 2 D 24 DC DG DA DC DG DT DT DC DT DG DC SEQRES 1 A 170 MET THR THR LYS ASN THR LEU GLN PRO THR GLU ALA ALA SEQRES 2 A 170 TYR ILE ALA GLY PHE LEU ASP GLY ASP GLY SER ILE TYR SEQRES 3 A 170 ALA LYS LEU ILE PRO ARG PRO ASP TYR LYS ASP ILE LYS SEQRES 4 A 170 TYR GLN VAL SER LEU ALA ILE SER PHE ILE GLN ARG LYS SEQRES 5 A 170 ASP LYS PHE PRO TYR LEU GLN ASP ILE TYR ASP GLN LEU SEQRES 6 A 170 GLY LYS ARG GLY ASN LEU ARG LYS ASP ARG GLY ASP GLY SEQRES 7 A 170 ILE ALA ASP TYR THR ILE ILE GLY SER THR HIS LEU SER SEQRES 8 A 170 ILE ILE LEU PRO ASP LEU VAL PRO TYR LEU ARG ILE LYS SEQRES 9 A 170 LYS LYS GLN ALA ASN ARG ILE LEU HIS ILE ILE ASN LEU SEQRES 10 A 170 TYR PRO GLN ALA GLN LYS ASN PRO SER LYS PHE LEU ASP SEQRES 11 A 170 LEU VAL LYS ILE VAL ASP ASP VAL GLN ASN LEU ASN LYS SEQRES 12 A 170 ARG ALA ASP GLU LEU LYS SER THR ASN TYR ASP ARG LEU SEQRES 13 A 170 LEU GLU GLU PHE LEU LYS ALA GLY LYS ILE GLU SER SER SEQRES 14 A 170 PRO SEQRES 1 B 170 MET THR THR LYS ASN THR LEU GLN PRO THR GLU ALA ALA SEQRES 2 B 170 TYR ILE ALA GLY PHE LEU ASP GLY ASP GLY SER ILE TYR SEQRES 3 B 170 ALA LYS LEU ILE PRO ARG PRO ASP TYR LYS ASP ILE LYS SEQRES 4 B 170 TYR GLN VAL SER LEU ALA ILE SER PHE ILE GLN ARG LYS SEQRES 5 B 170 ASP LYS PHE PRO TYR LEU GLN ASP ILE TYR ASP GLN LEU SEQRES 6 B 170 GLY LYS ARG GLY ASN LEU ARG LYS ASP ARG GLY ASP GLY SEQRES 7 B 170 ILE ALA ASP TYR THR ILE ILE GLY SER THR HIS LEU SER SEQRES 8 B 170 ILE ILE LEU PRO ASP LEU VAL PRO TYR LEU ARG ILE LYS SEQRES 9 B 170 LYS LYS GLN ALA ASN ARG ILE LEU HIS ILE ILE ASN LEU SEQRES 10 B 170 TYR PRO GLN ALA GLN LYS ASN PRO SER LYS PHE LEU ASP SEQRES 11 B 170 LEU VAL LYS ILE VAL ASP ASP VAL GLN ASN LEU ASN LYS SEQRES 12 B 170 ARG ALA ASP GLU LEU LYS SER THR ASN TYR ASP ARG LEU SEQRES 13 B 170 LEU GLU GLU PHE LEU LYS ALA GLY LYS ILE GLU SER SER SEQRES 14 B 170 PRO HET CA C 801 1 HET CA A 802 1 HET CA B 803 1 HETNAM CA CALCIUM ION FORMUL 5 CA 3(CA 2+) FORMUL 8 HOH *229(H2 O) HELIX 1 1 GLN A 8 ASP A 22 1 15 HELIX 2 2 LYS A 54 LEU A 65 1 12 HELIX 3 3 GLY A 86 VAL A 98 1 13 HELIX 4 4 LYS A 104 GLN A 122 1 19 HELIX 5 5 ASN A 124 ASN A 142 1 19 HELIX 6 6 THR A 151 ALA A 163 1 13 HELIX 7 7 GLN B 208 ASP B 222 1 15 HELIX 8 8 LYS B 254 LEU B 265 1 12 HELIX 9 9 GLY B 286 VAL B 298 1 13 HELIX 10 10 LYS B 304 GLN B 322 1 19 HELIX 11 11 ASN B 324 ASN B 342 1 19 HELIX 12 12 THR B 351 ALA B 363 1 13 SHEET 1 A 4 GLY A 23 PRO A 31 0 SHEET 2 A 4 TYR A 40 ARG A 51 -1 O SER A 43 N LYS A 28 SHEET 3 A 4 ILE A 79 ILE A 85 -1 O ALA A 80 N GLN A 50 SHEET 4 A 4 ASN A 70 ARG A 72 -1 N ASN A 70 O THR A 83 SHEET 1 B 4 GLY B 223 PRO B 231 0 SHEET 2 B 4 TYR B 240 ARG B 251 -1 O SER B 243 N LYS B 228 SHEET 3 B 4 ILE B 279 ILE B 285 -1 O ALA B 280 N GLN B 250 SHEET 4 B 4 ASN B 270 ARG B 272 -1 N ASN B 270 O THR B 283 LINK O3' DA C 514 CA CA C 801 1555 1555 3.07 LINK OP1 DA C 514 CA CA A 802 1555 1555 2.39 LINK OP2 DG C 515 CA CA C 801 1555 1555 2.51 LINK OP2 DG C 515 CA CA B 803 1555 1555 2.27 LINK CA CA C 801 O3' DC D 564 1555 1555 3.01 LINK CA CA C 801 OP2 DG D 565 1555 1555 2.52 LINK CA CA C 801 OD2 ASP A 22 1555 1555 2.58 LINK CA CA C 801 OD1 ASP B 222 1555 1555 2.41 LINK O HOH C1226 CA CA B 803 1555 1555 2.58 LINK OP1 DC D 564 CA CA B 803 1555 1555 2.33 LINK OP2 DG D 565 CA CA A 802 1555 1555 2.32 LINK O HOH D1228 CA CA A 802 1555 1555 2.54 LINK O GLY A 21 CA CA B 803 1555 1555 2.44 LINK OD1 ASP A 22 CA CA A 802 1555 1555 2.43 LINK OD2 ASP A 22 CA CA A 802 1555 1555 2.99 LINK CA CA A 802 O GLY B 221 1555 1555 2.37 LINK CA CA A 802 O HOH B1225 1555 1555 2.69 LINK OD2 ASP B 222 CA CA B 803 1555 1555 2.49 LINK OD1 ASP B 222 CA CA B 803 1555 1555 2.88 LINK CA CA B 803 O HOH B1227 1555 1555 2.31 SITE 1 AC1 7 ASP A 22 GLY B 221 HOH B1225 DA C 514 SITE 2 AC1 7 CA C 801 DG D 565 HOH D1228 SITE 1 AC2 7 GLY A 21 ASP B 222 HOH B1227 DG C 515 SITE 2 AC2 7 CA C 801 HOH C1226 DC D 564 SITE 1 AC3 8 ASP A 22 CA A 802 ASP B 222 CA B 803 SITE 2 AC3 8 DA C 514 DG C 515 DC D 564 DG D 565 CRYST1 41.510 42.210 71.320 73.34 73.17 71.09 P 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 0.024091 -0.008253 -0.005659 0.00000 SCALE2 0.000000 0.025043 -0.005459 0.00000 SCALE3 0.000000 0.000000 0.014993 0.00000