HEADER HYDROLASE/DNA 20-AUG-06 2I3P TITLE K28R MUTANT OF HOMING ENDONUCLEASE I-CREI COMPND MOL_ID: 1; COMPND 2 MOLECULE: 5'-D(*GP*CP*AP*AP*AP*TP*CP*GP*TP*CP*GP*TP*GP*AP*GP*AP*CP*AP COMPND 3 *AP*TP*TP*TP*CP*G)-3'; COMPND 4 CHAIN: C; COMPND 5 ENGINEERED: YES; COMPND 6 MOL_ID: 2; COMPND 7 MOLECULE: 5'-D(*CP*GP*AP*AP*AP*TP*TP*GP*TP*CP*TP*CP*AP*CP*GP*AP*CP*GP COMPND 8 *AP*TP*TP*TP*GP*C)-3'; COMPND 9 CHAIN: D; COMPND 10 ENGINEERED: YES; COMPND 11 MOL_ID: 3; COMPND 12 MOLECULE: DNA ENDONUCLEASE I-CREI; COMPND 13 CHAIN: A, B; COMPND 14 SYNONYM: 23S RRNA INTRON PROTEIN; COMPND 15 EC: 3.1.-.-; COMPND 16 ENGINEERED: YES; COMPND 17 MUTATION: 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: CHLAMYDOMONAS REINHARDTII; SOURCE 7 ORGANISM_TAXID: 3055; SOURCE 8 EXPRESSION_SYSTEM: ESCHERICHIA COLI; SOURCE 9 EXPRESSION_SYSTEM_TAXID: 562; SOURCE 10 EXPRESSION_SYSTEM_STRAIN: BL-21 RIL; SOURCE 11 EXPRESSION_SYSTEM_VECTOR_TYPE: PLASMID; SOURCE 12 EXPRESSION_SYSTEM_PLASMID: PI-CREI KEYWDS HOMING ENDONULEASE I-CREI, DNA, HYDROLASE-DNA COMPLEX EXPDTA X-RAY DIFFRACTION AUTHOR D.SUSSMAN,L.ROSEN REVDAT 6 30-AUG-23 2I3P 1 REMARK REVDAT 5 20-OCT-21 2I3P 1 REMARK SEQADV LINK REVDAT 4 18-OCT-17 2I3P 1 REMARK REVDAT 3 24-FEB-09 2I3P 1 VERSN REVDAT 2 31-OCT-06 2I3P 1 JRNL REVDAT 1 05-SEP-06 2I3P 0 JRNL AUTH L.E.ROSEN,H.A.MORRISON,S.MASRI,M.J.BROWN,B.SPRINGSTUBB, JRNL AUTH 2 D.SUSSMAN,B.L.STODDARD,L.M.SELIGMAN JRNL TITL HOMING ENDONUCLEASE I-CREI DERIVATIVES WITH NOVEL DNA TARGET JRNL TITL 2 SPECIFICITIES. JRNL REF NUCLEIC ACIDS RES. V. 34 4791 2006 JRNL REFN ISSN 0305-1048 JRNL PMID 16971456 JRNL DOI 10.1093/NAR/GKL645 REMARK 2 REMARK 2 RESOLUTION. 2.30 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 : NULL REMARK 3 REMARK 3 DATA USED IN REFINEMENT. REMARK 3 RESOLUTION RANGE HIGH (ANGSTROMS) : 2.30 REMARK 3 RESOLUTION RANGE LOW (ANGSTROMS) : 27.69 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) (%) : 94.8 REMARK 3 NUMBER OF REFLECTIONS : 21471 REMARK 3 REMARK 3 FIT TO DATA USED IN REFINEMENT. REMARK 3 CROSS-VALIDATION METHOD : NULL REMARK 3 FREE R VALUE TEST SET SELECTION : NULL REMARK 3 R VALUE (WORKING SET) : 0.234 REMARK 3 FREE R VALUE : 0.292 REMARK 3 FREE R VALUE TEST SET SIZE (%) : 9.400 REMARK 3 FREE R VALUE TEST SET COUNT : 2137 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) : NULL REMARK 3 BIN RESOLUTION RANGE LOW (A) : NULL REMARK 3 BIN COMPLETENESS (WORKING+TEST) (%) : NULL REMARK 3 REFLECTIONS IN BIN (WORKING SET) : NULL REMARK 3 BIN R VALUE (WORKING SET) : NULL REMARK 3 BIN FREE R VALUE : NULL REMARK 3 BIN FREE R VALUE TEST SET SIZE (%) : NULL REMARK 3 BIN FREE R VALUE TEST SET COUNT : NULL 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 : 2478 REMARK 3 NUCLEIC ACID ATOMS : 978 REMARK 3 HETEROGEN ATOMS : 2 REMARK 3 SOLVENT ATOMS : 221 REMARK 3 REMARK 3 B VALUES. REMARK 3 FROM WILSON PLOT (A**2) : NULL REMARK 3 MEAN B VALUE (OVERALL, A**2) : 24.17 REMARK 3 OVERALL ANISOTROPIC B VALUE. REMARK 3 B11 (A**2) : -2.70700 REMARK 3 B22 (A**2) : 3.25500 REMARK 3 B33 (A**2) : -0.54800 REMARK 3 B12 (A**2) : 0.00000 REMARK 3 B13 (A**2) : 1.16700 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 : NULL REMARK 3 REMARK 3 ISOTROPIC THERMAL FACTOR RESTRAINTS. RMS SIGMA REMARK 3 MAIN-CHAIN BOND (A**2) : NULL ; NULL REMARK 3 MAIN-CHAIN ANGLE (A**2) : NULL ; NULL REMARK 3 SIDE-CHAIN BOND (A**2) : NULL ; NULL REMARK 3 SIDE-CHAIN ANGLE (A**2) : NULL ; NULL REMARK 3 REMARK 3 BULK SOLVENT MODELING. REMARK 3 METHOD USED : NULL REMARK 3 KSOL : NULL REMARK 3 BSOL : 38.11 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 : NULL REMARK 3 TOPOLOGY FILE 2 : NULL REMARK 3 TOPOLOGY FILE 3 : NULL REMARK 3 TOPOLOGY FILE 4 : NULL REMARK 3 TOPOLOGY FILE 5 : NULL REMARK 3 REMARK 3 OTHER REFINEMENT REMARKS: NULL REMARK 4 REMARK 4 2I3P COMPLIES WITH FORMAT V. 3.30, 13-JUL-11 REMARK 100 REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY RCSB ON 21-AUG-06. REMARK 100 THE DEPOSITION ID IS D_1000039097. REMARK 200 REMARK 200 EXPERIMENTAL DETAILS REMARK 200 EXPERIMENT TYPE : X-RAY DIFFRACTION REMARK 200 DATE OF DATA COLLECTION : 11-AUG-06 REMARK 200 TEMPERATURE (KELVIN) : NULL REMARK 200 PH : 6.5 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 REMARK 200 MONOCHROMATIC OR LAUE (M/L) : M REMARK 200 WAVELENGTH OR RANGE (A) : 1.54 REMARK 200 MONOCHROMATOR : NULL REMARK 200 OPTICS : NULL 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 : 21742 REMARK 200 RESOLUTION RANGE HIGH (A) : 2.300 REMARK 200 RESOLUTION RANGE LOW (A) : 27.690 REMARK 200 REJECTION CRITERIA (SIGMA(I)) : NULL REMARK 200 REMARK 200 OVERALL. REMARK 200 COMPLETENESS FOR RANGE (%) : 96.0 REMARK 200 DATA REDUNDANCY : 3.200 REMARK 200 R MERGE (I) : 0.03900 REMARK 200 R SYM (I) : NULL REMARK 200 FOR THE DATA SET : 26.2000 REMARK 200 REMARK 200 IN THE HIGHEST RESOLUTION SHELL. REMARK 200 HIGHEST RESOLUTION SHELL, RANGE HIGH (A) : 2.30 REMARK 200 HIGHEST RESOLUTION SHELL, RANGE LOW (A) : 2.34 REMARK 200 COMPLETENESS FOR SHELL (%) : 93.9 REMARK 200 DATA REDUNDANCY IN SHELL : 3.30 REMARK 200 R MERGE FOR SHELL (I) : 0.09700 REMARK 200 R SYM FOR SHELL (I) : NULL REMARK 200 FOR SHELL : NULL REMARK 200 REMARK 200 DIFFRACTION PROTOCOL: SINGLE WAVELENGTH REMARK 200 METHOD USED TO DETERMINE THE STRUCTURE: MOLECULAR REPLACEMENT REMARK 200 SOFTWARE USED: EPMR 2.5 REMARK 200 STARTING MODEL: PDB ENTRY 1G9Y REMARK 200 REMARK 200 REMARK: NULL REMARK 280 REMARK 280 CRYSTAL REMARK 280 SOLVENT CONTENT, VS (%): 51.46 REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 2.53 REMARK 280 REMARK 280 CRYSTALLIZATION CONDITIONS: PEG 400 28%, PH 6.5, VAPOR DIFFUSION, REMARK 280 TEMPERATURE 298K 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 34.10550 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 300 REMARK: THE ASSYMETRIC UNIT CONTAINS ONE BIOLOGICALLY ACTIVE REMARK 300 COMPLEX. I-CREI BINDS THE DNA SUBSTRATE AS A HOMODIMER AND REMARK 300 SUBSEQUENTLY CLEAVES BOTH STRANDS. 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 MET B 301 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 ARG A 70 58.25 -146.82 REMARK 500 SER A 118 115.72 -167.17 REMARK 500 THR A 140 19.18 -140.18 REMARK 500 LYS A 142 -53.03 -123.96 REMARK 500 SER B 322 119.09 -169.08 REMARK 500 ASN B 330 115.36 -166.54 REMARK 500 PHE B 335 30.76 -99.22 REMARK 500 LYS B 336 14.88 56.12 REMARK 500 ARG B 370 56.39 -152.24 REMARK 500 LYS B 439 -9.76 -145.55 REMARK 500 LYS B 442 -53.65 -125.92 REMARK 500 LEU B 452 93.93 -36.10 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 DG C 513 0.05 SIDE CHAIN REMARK 500 DA C 514 0.05 SIDE CHAIN REMARK 500 DA D 563 0.06 SIDE CHAIN REMARK 500 DG D 568 0.05 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 154 CA REMARK 620 N RES CSSEQI ATOM REMARK 620 1 DA C 514 OP1 REMARK 620 2 DG D 565 OP2 105.2 REMARK 620 3 ASP A 20 OD1 78.2 127.8 REMARK 620 4 ASP A 20 OD2 86.0 79.6 48.3 REMARK 620 5 HOH B 145 O 85.1 154.1 77.1 125.4 REMARK 620 6 GLY B 319 O 169.0 80.1 90.9 85.6 94.1 REMARK 620 N 1 2 3 4 5 REMARK 620 REMARK 620 COORDINATION ANGLES FOR: M RES CSSEQI METAL REMARK 620 CA B 1 CA REMARK 620 N RES CSSEQI ATOM REMARK 620 1 DG C 515 OP2 REMARK 620 2 DC D 564 OP1 108.7 REMARK 620 3 GLY A 19 O 77.6 173.5 REMARK 620 4 HOH B 5 O 42.8 105.8 77.8 REMARK 620 5 ASP B 320 OD1 84.5 86.9 92.5 42.3 REMARK 620 6 ASP B 320 OD2 133.6 81.6 92.9 90.8 50.2 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 B 1 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC2 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE CA A 154 REMARK 900 REMARK 900 RELATED ENTRIES REMARK 900 RELATED ID: 2I3Q RELATED DB: PDB REMARK 900 Q44V MUTANT OF HOMING ENDONUCLEASE I-CREI DBREF 2I3P A 1 153 UNP P05725 DNE1_CHLRE 1 153 DBREF 2I3P B 301 453 UNP P05725 DNE1_CHLRE 1 153 DBREF 2I3P C 501 524 PDB 2I3P 2I3P 501 524 DBREF 2I3P D 551 574 PDB 2I3P 2I3P 551 574 SEQADV 2I3P ARG A 28 UNP P05725 LYS 28 ENGINEERED MUTATION SEQADV 2I3P THR A 42 UNP P05725 ALA 42 ENGINEERED MUTATION SEQADV 2I3P GLU A 110 UNP P05725 TRP 110 ENGINEERED MUTATION SEQADV 2I3P GLN A 111 UNP P05725 ARG 111 ENGINEERED MUTATION SEQADV 2I3P ARG B 328 UNP P05725 LYS 28 ENGINEERED MUTATION SEQADV 2I3P THR B 342 UNP P05725 ALA 42 ENGINEERED MUTATION SEQADV 2I3P GLU B 410 UNP P05725 TRP 110 ENGINEERED MUTATION SEQADV 2I3P GLN B 411 UNP P05725 ARG 111 ENGINEERED MUTATION SEQRES 1 C 24 DG DC DA DA DA DT DC DG DT DC DG DT DG SEQRES 2 C 24 DA DG DA DC DA DA DT DT DT DC DG SEQRES 1 D 24 DC DG DA DA DA DT DT DG DT DC DT DC DA SEQRES 2 D 24 DC DG DA DC DG DA DT DT DT DG DC SEQRES 1 A 153 MET ASN THR LYS TYR ASN LYS GLU PHE LEU LEU TYR LEU SEQRES 2 A 153 ALA GLY PHE VAL ASP GLY ASP GLY SER ILE ILE ALA GLN SEQRES 3 A 153 ILE ARG PRO ASN GLN SER TYR LYS PHE LYS HIS GLN LEU SEQRES 4 A 153 SER LEU THR PHE GLN VAL THR GLN LYS THR GLN ARG ARG SEQRES 5 A 153 TRP PHE LEU ASP LYS LEU VAL ASP GLU ILE GLY VAL GLY SEQRES 6 A 153 TYR VAL ARG ASP ARG GLY SER VAL SER ASP TYR ILE LEU SEQRES 7 A 153 SER GLU ILE LYS PRO LEU HIS ASN PHE LEU THR GLN LEU SEQRES 8 A 153 GLN PRO PHE LEU LYS LEU LYS GLN LYS GLN ALA ASN LEU SEQRES 9 A 153 VAL LEU LYS ILE ILE GLU GLN LEU PRO SER ALA LYS GLU SEQRES 10 A 153 SER PRO ASP LYS PHE LEU GLU VAL CYS THR TRP VAL ASP SEQRES 11 A 153 GLN ILE ALA ALA LEU ASN ASP SER LYS THR ARG LYS THR SEQRES 12 A 153 THR SER GLU THR VAL ARG ALA VAL LEU ASP SEQRES 1 B 153 MET ASN THR LYS TYR ASN LYS GLU PHE LEU LEU TYR LEU SEQRES 2 B 153 ALA GLY PHE VAL ASP GLY ASP GLY SER ILE ILE ALA GLN SEQRES 3 B 153 ILE ARG PRO ASN GLN SER TYR LYS PHE LYS HIS GLN LEU SEQRES 4 B 153 SER LEU THR PHE GLN VAL THR GLN LYS THR GLN ARG ARG SEQRES 5 B 153 TRP PHE LEU ASP LYS LEU VAL ASP GLU ILE GLY VAL GLY SEQRES 6 B 153 TYR VAL ARG ASP ARG GLY SER VAL SER ASP TYR ILE LEU SEQRES 7 B 153 SER GLU ILE LYS PRO LEU HIS ASN PHE LEU THR GLN LEU SEQRES 8 B 153 GLN PRO PHE LEU LYS LEU LYS GLN LYS GLN ALA ASN LEU SEQRES 9 B 153 VAL LEU LYS ILE ILE GLU GLN LEU PRO SER ALA LYS GLU SEQRES 10 B 153 SER PRO ASP LYS PHE LEU GLU VAL CYS THR TRP VAL ASP SEQRES 11 B 153 GLN ILE ALA ALA LEU ASN ASP SER LYS THR ARG LYS THR SEQRES 12 B 153 THR SER GLU THR VAL ARG ALA VAL LEU ASP HET CA A 154 1 HET CA B 1 1 HETNAM CA CALCIUM ION FORMUL 5 CA 2(CA 2+) FORMUL 7 HOH *221(H2 O) HELIX 1 1 ASN A 6 ASP A 20 1 15 HELIX 2 2 ARG A 52 GLY A 63 1 12 HELIX 3 3 GLU A 80 GLN A 92 1 13 HELIX 4 4 PRO A 93 LEU A 95 5 3 HELIX 5 5 LYS A 98 GLU A 117 1 20 HELIX 6 6 ASP A 120 ASN A 136 1 17 HELIX 7 7 THR A 144 ALA A 150 1 7 HELIX 8 8 ASN B 306 ASP B 320 1 15 HELIX 9 9 ARG B 351 GLY B 363 1 13 HELIX 10 10 GLU B 380 GLN B 392 1 13 HELIX 11 11 PRO B 393 LEU B 395 5 3 HELIX 12 12 LYS B 398 SER B 418 1 21 HELIX 13 13 SER B 418 ASN B 436 1 19 HELIX 14 14 THR B 444 ALA B 450 1 7 SHEET 1 A 4 GLY A 21 PRO A 29 0 SHEET 2 A 4 HIS A 37 LYS A 48 -1 O SER A 40 N GLN A 26 SHEET 3 A 4 VAL A 73 LEU A 78 -1 O SER A 74 N GLN A 47 SHEET 4 A 4 TYR A 66 ASP A 69 -1 N TYR A 66 O ILE A 77 SHEET 1 B 4 GLY B 321 PRO B 329 0 SHEET 2 B 4 HIS B 337 LYS B 348 -1 O GLN B 338 N ARG B 328 SHEET 3 B 4 VAL B 373 LEU B 378 -1 O SER B 374 N GLN B 347 SHEET 4 B 4 TYR B 366 ARG B 370 -1 N TYR B 366 O ILE B 377 LINK OP1 DA C 514 CA CA A 154 1555 1555 2.21 LINK OP2 DG C 515 CA CA B 1 1555 1555 2.13 LINK OP1 DC D 564 CA CA B 1 1555 1555 2.27 LINK OP2 DG D 565 CA CA A 154 1555 1555 2.29 LINK O GLY A 19 CA CA B 1 1555 1555 2.27 LINK OD1 ASP A 20 CA CA A 154 1555 1555 2.66 LINK OD2 ASP A 20 CA CA A 154 1555 1555 2.73 LINK CA CA A 154 O HOH B 145 1555 1555 2.42 LINK CA CA A 154 O GLY B 319 1555 1555 2.20 LINK CA CA B 1 O HOH B 5 1555 1555 3.31 LINK CA CA B 1 OD1 ASP B 320 1555 1555 2.58 LINK CA CA B 1 OD2 ASP B 320 1555 1555 2.59 SITE 1 AC1 4 GLY A 19 ASP B 320 DG C 515 DC D 564 SITE 1 AC2 5 ASP A 20 HOH B 145 GLY B 319 DA C 514 SITE 2 AC2 5 DG D 565 CRYST1 43.076 68.211 87.409 90.00 91.42 90.00 P 1 21 1 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 0.023215 0.000000 0.000575 0.00000 SCALE2 0.000000 0.014660 0.000000 0.00000 SCALE3 0.000000 0.000000 0.011444 0.00000