HEADER HYDROLASE/DNA 20-AUG-06 2I3Q TITLE Q44V MUTANT OF HOMING ENDONUCLEASE I-CREI COMPND MOL_ID: 1; COMPND 2 MOLECULE: 5'-D(*GP*CP*AP*AP*AP*AP*CP*GP*AP*CP*GP*TP*GP*AP*GP*TP*CP*AP COMPND 3 *GP*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*CP*TP*GP*AP*CP*TP*CP*AP*CP*GP*TP*CP*GP COMPND 8 *TP*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 ENDONUCLEASE, I-CREI, HYDROLASE-DNA COMPLEX EXPDTA X-RAY DIFFRACTION AUTHOR L.ROSEN,D.SUSSMAN REVDAT 6 30-AUG-23 2I3Q 1 REMARK REVDAT 5 20-OCT-21 2I3Q 1 REMARK SEQADV LINK REVDAT 4 18-OCT-17 2I3Q 1 REMARK REVDAT 3 24-FEB-09 2I3Q 1 VERSN REVDAT 2 31-OCT-06 2I3Q 1 JRNL REVDAT 1 05-SEP-06 2I3Q 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) (%) : 84.7 REMARK 3 NUMBER OF REFLECTIONS : 19130 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) : 0.217 REMARK 3 FREE R VALUE : 0.264 REMARK 3 FREE R VALUE TEST SET SIZE (%) : 8.300 REMARK 3 FREE R VALUE TEST SET COUNT : 1886 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 : 2462 REMARK 3 NUCLEIC ACID ATOMS : 978 REMARK 3 HETEROGEN ATOMS : 2 REMARK 3 SOLVENT ATOMS : 147 REMARK 3 REMARK 3 B VALUES. REMARK 3 FROM WILSON PLOT (A**2) : NULL REMARK 3 MEAN B VALUE (OVERALL, A**2) : 24.07 REMARK 3 OVERALL ANISOTROPIC B VALUE. REMARK 3 B11 (A**2) : -5.99100 REMARK 3 B22 (A**2) : 1.70700 REMARK 3 B33 (A**2) : 4.28400 REMARK 3 B12 (A**2) : 0.00000 REMARK 3 B13 (A**2) : 2.22400 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) : 0.006 REMARK 3 BOND ANGLES (DEGREES) : 1.258 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 : 33.17 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 2I3Q COMPLIES WITH FORMAT V. 3.30, 13-JUL-11 REMARK 100 REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY RCSB ON 22-AUG-06. REMARK 100 THE DEPOSITION ID IS D_1000039098. 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 II REMARK 200 INTENSITY-INTEGRATION SOFTWARE : DENZO REMARK 200 DATA SCALING SOFTWARE : SCALEPACK REMARK 200 REMARK 200 NUMBER OF UNIQUE REFLECTIONS : 19300 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 (%) : 85.4 REMARK 200 DATA REDUNDANCY : 2.300 REMARK 200 R MERGE (I) : 0.03900 REMARK 200 R SYM (I) : NULL REMARK 200 FOR THE DATA SET : 21.5000 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 (%) : 80.5 REMARK 200 DATA REDUNDANCY IN SHELL : 1.60 REMARK 200 R MERGE FOR SHELL (I) : 0.09100 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 (%): 51.53 REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 2.54 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 33.98900 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 UNIT. REMARK 300 A HOMODIMER OF I-CREI AND A DNA DUPLEX SUBSTRATE 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: 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 O HOH C 2 O HOH D 25 2.19 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 GLN A 31 -7.86 -59.04 REMARK 500 GLU A 80 115.57 -39.27 REMARK 500 ASP A 137 58.09 -93.21 REMARK 500 LYS B 336 12.71 58.63 REMARK 500 GLU B 380 108.00 -55.88 REMARK 500 LYS B 439 -31.47 -140.78 REMARK 500 VAL B 448 -9.59 -59.69 REMARK 500 ARG B 449 26.55 -73.17 REMARK 500 LEU B 452 102.22 -58.42 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 C 514 0.05 SIDE CHAIN REMARK 500 DC D 567 0.06 SIDE CHAIN REMARK 500 DG D 568 0.06 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 HOH D 31 O 90.3 REMARK 620 3 DG D 565 OP2 112.3 78.0 REMARK 620 4 ASP A 20 OD2 94.0 147.4 70.4 REMARK 620 5 ASP A 20 OD1 82.3 161.8 120.2 50.4 REMARK 620 6 HOH A 155 O 87.1 77.6 148.7 134.9 85.4 REMARK 620 7 GLY B 319 O 161.2 107.2 78.7 74.9 78.9 90.2 REMARK 620 N 1 2 3 4 5 6 REMARK 620 REMARK 620 COORDINATION ANGLES FOR: M RES CSSEQI METAL REMARK 620 CA B 81 CA REMARK 620 N RES CSSEQI ATOM REMARK 620 1 DG C 515 OP2 REMARK 620 2 DC D 564 OP1 109.4 REMARK 620 3 GLY A 19 O 78.0 172.4 REMARK 620 4 HOH B 116 O 148.7 83.1 91.3 REMARK 620 5 ASP B 320 OD2 130.9 84.9 89.0 77.3 REMARK 620 6 ASP B 320 OD1 81.6 91.1 88.3 127.9 50.6 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 154 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC2 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE CA B 81 REMARK 900 REMARK 900 RELATED ENTRIES REMARK 900 RELATED ID: 2I3P RELATED DB: PDB REMARK 900 K28R MUTANT OF HOMING ENDONUCLEASE I-CREI DBREF 2I3Q A 1 153 UNP P05725 DNE1_CHLRE 1 153 DBREF 2I3Q B 301 453 UNP P05725 DNE1_CHLRE 1 153 DBREF 2I3Q C 501 524 PDB 2I3Q 2I3Q 501 524 DBREF 2I3Q D 551 574 PDB 2I3Q 2I3Q 551 574 SEQADV 2I3Q ALA A 28 UNP P05725 LYS 28 ENGINEERED MUTATION SEQADV 2I3Q THR A 42 UNP P05725 ALA 42 ENGINEERED MUTATION SEQADV 2I3Q VAL A 44 UNP P05725 GLN 44 ENGINEERED MUTATION SEQADV 2I3Q GLU A 110 UNP P05725 TRP 110 ENGINEERED MUTATION SEQADV 2I3Q GLN A 111 UNP P05725 ARG 111 ENGINEERED MUTATION SEQADV 2I3Q ALA B 328 UNP P05725 LYS 28 ENGINEERED MUTATION SEQADV 2I3Q THR B 342 UNP P05725 ALA 42 ENGINEERED MUTATION SEQADV 2I3Q VAL B 344 UNP P05725 GLN 44 ENGINEERED MUTATION SEQADV 2I3Q GLU B 410 UNP P05725 TRP 110 ENGINEERED MUTATION SEQADV 2I3Q GLN B 411 UNP P05725 ARG 111 ENGINEERED MUTATION SEQRES 1 C 24 DG DC DA DA DA DA DC DG DA DC DG DT DG SEQRES 2 C 24 DA DG DT DC DA DG DT DT DT DC DG SEQRES 1 D 24 DC DG DA DA DA DC DT DG DA DC DT DC DA SEQRES 2 D 24 DC DG DT DC DG DT 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 ALA PRO ASN GLN SER TYR LYS PHE LYS HIS GLN LEU SEQRES 4 A 153 SER LEU THR PHE VAL 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 ALA PRO ASN GLN SER TYR LYS PHE LYS HIS GLN LEU SEQRES 4 B 153 SER LEU THR PHE VAL 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 81 1 HETNAM CA CALCIUM ION FORMUL 5 CA 2(CA 2+) FORMUL 7 HOH *147(H2 O) HELIX 1 1 ASN A 6 ASP A 20 1 15 HELIX 2 2 ARG A 51 GLY A 63 1 13 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 SER A 118 1 21 HELIX 6 6 SER A 118 ASN A 136 1 19 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 LYS B 416 1 19 HELIX 13 13 SER B 418 ASN B 436 1 19 SHEET 1 A 4 GLY A 21 PRO A 29 0 SHEET 2 A 4 HIS A 37 LYS A 48 -1 O VAL A 44 N SER A 22 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 SER B 340 N GLN B 326 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 ASP B 369 -1 N TYR B 366 O ILE B 377 LINK OP1 DA C 514 CA CA A 154 1555 1555 2.26 LINK OP2 DG C 515 CA CA B 81 1555 1555 2.25 LINK O HOH D 31 CA CA A 154 1555 1555 2.69 LINK OP1 DC D 564 CA CA B 81 1555 1555 2.11 LINK OP2 DG D 565 CA CA A 154 1555 1555 2.23 LINK O GLY A 19 CA CA B 81 1555 1555 2.19 LINK OD2 ASP A 20 CA CA A 154 1555 1555 2.78 LINK OD1 ASP A 20 CA CA A 154 1555 1555 2.33 LINK CA CA A 154 O HOH A 155 1555 1555 2.55 LINK CA CA A 154 O GLY B 319 1555 1555 2.33 LINK CA CA B 81 O HOH B 116 1555 1555 2.67 LINK CA CA B 81 OD2 ASP B 320 1555 1555 2.47 LINK CA CA B 81 OD1 ASP B 320 1555 1555 2.66 SITE 1 AC1 6 ASP A 20 HOH A 155 GLY B 319 DA C 514 SITE 2 AC1 6 HOH D 31 DG D 565 SITE 1 AC2 5 GLY A 19 HOH B 116 ASP B 320 DG C 515 SITE 2 AC2 5 DC D 564 CRYST1 43.060 67.978 87.497 90.00 91.53 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 0.023223 0.000000 0.000620 0.00000 SCALE2 0.000000 0.014711 0.000000 0.00000 SCALE3 0.000000 0.000000 0.011433 0.00000