HEADER HYDROLASE/DNA 07-MAY-10 3MXI TITLE TREX1 3' EXONUCLEASE D18N FAMILIAL CHILBLAIN LUPUS MUTANT COMPND MOL_ID: 1; COMPND 2 MOLECULE: THREE PRIME REPAIR EXONUCLEASE 1; COMPND 3 CHAIN: B, A; COMPND 4 FRAGMENT: N-TERMINAL FRAGMENT, RESIDUES 1-242; COMPND 5 SYNONYM: 3'-5' EXONUCLEASE TREX1; COMPND 6 EC: 3.1.11.2; COMPND 7 ENGINEERED: YES; COMPND 8 MUTATION: YES; COMPND 9 MOL_ID: 2; COMPND 10 MOLECULE: DNA (5'-D(*GP*AP*CP*G)-3'); COMPND 11 CHAIN: C, D; COMPND 12 ENGINEERED: YES SOURCE MOL_ID: 1; SOURCE 2 ORGANISM_SCIENTIFIC: MUS MUSCULUS; SOURCE 3 ORGANISM_COMMON: MOUSE; SOURCE 4 ORGANISM_TAXID: 10090; SOURCE 5 GENE: TREX1; SOURCE 6 EXPRESSION_SYSTEM: ESCHERICHIA COLI; SOURCE 7 EXPRESSION_SYSTEM_TAXID: 562; SOURCE 8 MOL_ID: 2; SOURCE 9 SYNTHETIC: YES KEYWDS RNASE H-LIKE FOLD, POLYPROLINE TYPE II HELIX, HYDROLASE-DNA COMPLEX EXPDTA X-RAY DIFFRACTION AUTHOR S.L.BAILEY,T.HOLLIS REVDAT 2 21-FEB-24 3MXI 1 REMARK SEQADV LINK REVDAT 1 18-MAY-11 3MXI 0 JRNL AUTH S.L.BAILEY,S.HARVEY,F.W.PERRINO,T.HOLLIS JRNL TITL X-RAY CRYSTAL STRUCTURES OF TREX1 3' EXONUCLEASE AUTOIMMUNE JRNL TITL 2 DISEASE MUTANTS JRNL REF TO BE PUBLISHED JRNL REFN REMARK 2 REMARK 2 RESOLUTION. 2.55 ANGSTROMS. REMARK 3 REMARK 3 REFINEMENT. REMARK 3 PROGRAM : PHENIX (PHENIX.REFINE: 1.4_113) REMARK 3 AUTHORS : PAUL ADAMS,PAVEL AFONINE,VINCENT CHEN,IAN REMARK 3 : DAVIS,KRESHNA GOPAL,RALF GROSSE-KUNSTLEVE, REMARK 3 : LI-WEI HUNG,ROBERT IMMORMINO,TOM IOERGER, REMARK 3 : AIRLIE MCCOY,ERIK MCKEE,NIGEL MORIARTY, REMARK 3 : REETAL PAI,RANDY READ,JANE RICHARDSON, REMARK 3 : DAVID RICHARDSON,TOD ROMO,JIM SACCHETTINI, REMARK 3 : NICHOLAS SAUTER,JACOB SMITH,LAURENT REMARK 3 : STORONI,TOM TERWILLIGER,PETER ZWART REMARK 3 REMARK 3 REFINEMENT TARGET : ML REMARK 3 REMARK 3 DATA USED IN REFINEMENT. REMARK 3 RESOLUTION RANGE HIGH (ANGSTROMS) : 2.55 REMARK 3 RESOLUTION RANGE LOW (ANGSTROMS) : 31.48 REMARK 3 MIN(FOBS/SIGMA_FOBS) : 1.490 REMARK 3 COMPLETENESS FOR RANGE (%) : 96.5 REMARK 3 NUMBER OF REFLECTIONS : 14747 REMARK 3 REMARK 3 FIT TO DATA USED IN REFINEMENT. REMARK 3 R VALUE (WORKING + TEST SET) : 0.212 REMARK 3 R VALUE (WORKING SET) : 0.209 REMARK 3 FREE R VALUE : 0.262 REMARK 3 FREE R VALUE TEST SET SIZE (%) : 5.200 REMARK 3 FREE R VALUE TEST SET COUNT : 767 REMARK 3 REMARK 3 FIT TO DATA USED IN REFINEMENT (IN BINS). REMARK 3 BIN RESOLUTION RANGE COMPL. NWORK NFREE RWORK RFREE REMARK 3 1 31.4781 - 4.3574 0.98 2889 158 0.1802 0.2219 REMARK 3 2 4.3574 - 3.4600 0.97 2831 149 0.1682 0.2171 REMARK 3 3 3.4600 - 3.0230 0.97 2799 156 0.2068 0.2567 REMARK 3 4 3.0230 - 2.7468 0.96 2763 146 0.2305 0.2938 REMARK 3 5 2.7468 - 2.5500 0.95 2698 158 0.2490 0.3557 REMARK 3 REMARK 3 BULK SOLVENT MODELLING. REMARK 3 METHOD USED : FLAT BULK SOLVENT MODEL REMARK 3 SOLVENT RADIUS : 1.11 REMARK 3 SHRINKAGE RADIUS : 0.90 REMARK 3 K_SOL : 0.40 REMARK 3 B_SOL : 40.00 REMARK 3 REMARK 3 ERROR ESTIMATES. REMARK 3 COORDINATE ERROR (MAXIMUM-LIKELIHOOD BASED) : 0.390 REMARK 3 PHASE ERROR (DEGREES, MAXIMUM-LIKELIHOOD BASED) : NULL REMARK 3 REMARK 3 B VALUES. REMARK 3 FROM WILSON PLOT (A**2) : 26.92 REMARK 3 MEAN B VALUE (OVERALL, A**2) : NULL REMARK 3 OVERALL ANISOTROPIC B VALUE. REMARK 3 B11 (A**2) : 2.64920 REMARK 3 B22 (A**2) : -4.21050 REMARK 3 B33 (A**2) : 2.90060 REMARK 3 B12 (A**2) : 0.00000 REMARK 3 B13 (A**2) : -9.01180 REMARK 3 B23 (A**2) : 0.00000 REMARK 3 REMARK 3 TWINNING INFORMATION. REMARK 3 FRACTION: NULL REMARK 3 OPERATOR: NULL REMARK 3 REMARK 3 DEVIATIONS FROM IDEAL VALUES. REMARK 3 RMSD COUNT REMARK 3 BOND : 0.008 3594 REMARK 3 ANGLE : 1.280 4930 REMARK 3 CHIRALITY : 0.078 562 REMARK 3 PLANARITY : 0.006 612 REMARK 3 DIHEDRAL : 18.521 1334 REMARK 3 REMARK 3 TLS DETAILS REMARK 3 NUMBER OF TLS GROUPS : NULL REMARK 3 REMARK 3 NCS DETAILS REMARK 3 NUMBER OF NCS GROUPS : NULL REMARK 3 REMARK 3 OTHER REFINEMENT REMARKS: NULL REMARK 4 REMARK 4 3MXI COMPLIES WITH FORMAT V. 3.30, 13-JUL-11 REMARK 100 REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY RCSB ON 17-MAY-10. REMARK 100 THE DEPOSITION ID IS D_1000059117. REMARK 200 REMARK 200 EXPERIMENTAL DETAILS REMARK 200 EXPERIMENT TYPE : X-RAY DIFFRACTION REMARK 200 DATE OF DATA COLLECTION : NULL REMARK 200 TEMPERATURE (KELVIN) : 100 REMARK 200 PH : 6.5 REMARK 200 NUMBER OF CRYSTALS USED : NULL 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 MICROMAX-007 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 REMARK 200 INTENSITY-INTEGRATION SOFTWARE : D*TREK REMARK 200 DATA SCALING SOFTWARE : D*TREK REMARK 200 REMARK 200 NUMBER OF UNIQUE REFLECTIONS : 14777 REMARK 200 RESOLUTION RANGE HIGH (A) : 2.550 REMARK 200 RESOLUTION RANGE LOW (A) : 42.780 REMARK 200 REJECTION CRITERIA (SIGMA(I)) : 0.000 REMARK 200 REMARK 200 OVERALL. REMARK 200 COMPLETENESS FOR RANGE (%) : 96.6 REMARK 200 DATA REDUNDANCY : 6.900 REMARK 200 R MERGE (I) : 0.10000 REMARK 200 R SYM (I) : NULL REMARK 200 FOR THE DATA SET : 10.9000 REMARK 200 REMARK 200 IN THE HIGHEST RESOLUTION SHELL. REMARK 200 HIGHEST RESOLUTION SHELL, RANGE HIGH (A) : 2.55 REMARK 200 HIGHEST RESOLUTION SHELL, RANGE LOW (A) : 2.64 REMARK 200 COMPLETENESS FOR SHELL (%) : 95.1 REMARK 200 DATA REDUNDANCY IN SHELL : 6.54 REMARK 200 R MERGE FOR SHELL (I) : 0.23000 REMARK 200 R SYM FOR SHELL (I) : NULL REMARK 200 FOR SHELL : 4.500 REMARK 200 REMARK 200 DIFFRACTION PROTOCOL: SINGLE WAVELENGTH REMARK 200 METHOD USED TO DETERMINE THE STRUCTURE: MOLECULAR REPLACEMENT REMARK 200 SOFTWARE USED: PHASER REMARK 200 STARTING MODEL: NULL REMARK 200 REMARK 200 REMARK: NULL REMARK 280 REMARK 280 CRYSTAL REMARK 280 SOLVENT CONTENT, VS (%): 42.28 REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 2.13 REMARK 280 REMARK 280 CRYSTALLIZATION CONDITIONS: 0.15 M MES PH 6.5 19% PEG 4000 10% REMARK 280 ETHYLENE GLYCOL, VAPOR DIFFUSION, SITTING DROP, TEMPERATURE 288K 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 29.38800 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 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 SOFTWARE DETERMINED QUATERNARY STRUCTURE: TETRAMERIC REMARK 350 SOFTWARE USED: PISA REMARK 350 TOTAL BURIED SURFACE AREA: 6150 ANGSTROM**2 REMARK 350 SURFACE AREA OF THE COMPLEX: 17640 ANGSTROM**2 REMARK 350 CHANGE IN SOLVENT FREE ENERGY: -63.0 KCAL/MOL REMARK 350 APPLY THE FOLLOWING TO CHAINS: B, A, C, D 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 B 1 REMARK 465 GLY B 2 REMARK 465 SER B 3 REMARK 465 GLN B 4 REMARK 465 THR B 5 REMARK 465 ASN B 46 REMARK 465 THR B 47 REMARK 465 SER B 48 REMARK 465 ILE B 49 REMARK 465 SER B 50 REMARK 465 GLN B 51 REMARK 465 GLN B 164 REMARK 465 ALA B 165 REMARK 465 SER B 166 REMARK 465 SER B 167 REMARK 465 PRO B 168 REMARK 465 SER B 169 REMARK 465 GLY B 170 REMARK 465 ASN B 171 REMARK 465 GLY B 172 REMARK 465 SER B 173 REMARK 465 ARG B 174 REMARK 465 LYS B 175 REMARK 465 THR B 235 REMARK 465 PRO B 236 REMARK 465 ALA B 237 REMARK 465 THR B 238 REMARK 465 THR B 239 REMARK 465 GLY B 240 REMARK 465 THR B 241 REMARK 465 THR B 242 REMARK 465 MET A 1 REMARK 465 GLY A 2 REMARK 465 SER A 3 REMARK 465 GLN A 4 REMARK 465 ASN A 46 REMARK 465 THR A 47 REMARK 465 SER A 48 REMARK 465 ILE A 49 REMARK 465 SER A 167 REMARK 465 PRO A 168 REMARK 465 SER A 169 REMARK 465 GLY A 170 REMARK 465 ASN A 171 REMARK 465 GLY A 172 REMARK 465 SER A 173 REMARK 465 ARG A 174 REMARK 465 PRO A 236 REMARK 465 ALA A 237 REMARK 465 THR A 238 REMARK 465 THR A 239 REMARK 465 GLY A 240 REMARK 465 THR A 241 REMARK 465 THR A 242 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 DG C 1 O4' - C1' - N9 ANGL. DEV. = 3.1 DEGREES REMARK 500 DG C 4 O4' - C1' - N9 ANGL. DEV. = -4.3 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 ARG B 28 78.64 42.48 REMARK 500 ALA B 43 35.74 -85.10 REMARK 500 LEU B 44 8.78 -152.19 REMARK 500 HIS B 53 94.38 67.03 REMARK 500 PHE B 100 88.30 -68.40 REMARK 500 ASP B 101 -166.46 -120.02 REMARK 500 TYR B 129 -90.90 -130.27 REMARK 500 HIS A 8 19.36 -149.46 REMARK 500 ARG A 28 65.81 34.09 REMARK 500 TYR A 129 -88.26 -127.52 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 5 CA REMARK 620 N RES CSSEQI ATOM REMARK 620 1 ASN B 18 OD1 REMARK 620 2 HOH B 250 O 82.4 REMARK 620 3 DC C 3 O3' 130.8 79.7 REMARK 620 4 DG C 4 OP1 84.5 82.8 48.1 REMARK 620 5 HOH C 74 O 97.8 157.6 83.5 74.9 REMARK 620 N 1 2 3 4 REMARK 620 REMARK 620 COORDINATION ANGLES FOR: M RES CSSEQI METAL REMARK 620 CA B 243 CA REMARK 620 N RES CSSEQI ATOM REMARK 620 1 GLU B 20 OE2 REMARK 620 2 ASP B 200 OD2 128.1 REMARK 620 3 DG C 4 OP1 120.4 108.9 REMARK 620 N 1 2 REMARK 620 REMARK 620 COORDINATION ANGLES FOR: M RES CSSEQI METAL REMARK 620 CA D 5 CA REMARK 620 N RES CSSEQI ATOM REMARK 620 1 ASN A 18 OD1 REMARK 620 2 HOH A 253 O 100.5 REMARK 620 3 HOH A 254 O 82.6 80.8 REMARK 620 4 DC D 3 O3' 147.7 106.8 85.0 REMARK 620 5 DG D 4 OP1 96.4 159.7 90.3 53.9 REMARK 620 6 HOH D 23 O 99.3 102.1 176.0 91.6 86.0 REMARK 620 N 1 2 3 4 5 REMARK 620 REMARK 620 COORDINATION ANGLES FOR: M RES CSSEQI METAL REMARK 620 CA A 243 CA REMARK 620 N RES CSSEQI ATOM REMARK 620 1 GLU A 20 OE2 REMARK 620 2 ASP A 200 OD2 137.3 REMARK 620 3 DG D 4 OP1 107.8 110.3 REMARK 620 N 1 2 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 243 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC2 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE CA A 243 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC3 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE CA C 5 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC4 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE CA D 5 REMARK 900 REMARK 900 RELATED ENTRIES REMARK 900 RELATED ID: 2OA8 RELATED DB: PDB REMARK 900 CRYSTAL STRUCTURE OF MTREX1 WITH SSDNA REMARK 900 RELATED ID: 2IOC RELATED DB: PDB REMARK 900 CRYSTAL STRUCTURE OF MTREX1 WITH DAMP REMARK 900 RELATED ID: 3MXM RELATED DB: PDB REMARK 900 RELATED ID: 3MXJ RELATED DB: PDB REMARK 900 RELATED ID: 3MXK RELATED DB: PDB DBREF 3MXI B 1 242 UNP Q91XB0 TREX1_MOUSE 1 242 DBREF 3MXI A 1 242 UNP Q91XB0 TREX1_MOUSE 1 242 DBREF 3MXI C 1 4 PDB 3MXI 3MXI 1 4 DBREF 3MXI D 1 4 PDB 3MXI 3MXI 1 4 SEQADV 3MXI ASN B 18 UNP Q91XB0 ASP 18 ENGINEERED MUTATION SEQADV 3MXI ASN A 18 UNP Q91XB0 ASP 18 ENGINEERED MUTATION SEQRES 1 B 242 MET GLY SER GLN THR LEU PRO HIS GLY HIS MET GLN THR SEQRES 2 B 242 LEU ILE PHE LEU ASN LEU GLU ALA THR GLY LEU PRO SER SEQRES 3 B 242 SER ARG PRO GLU VAL THR GLU LEU CYS LEU LEU ALA VAL SEQRES 4 B 242 HIS ARG ARG ALA LEU GLU ASN THR SER ILE SER GLN GLY SEQRES 5 B 242 HIS PRO PRO PRO VAL PRO ARG PRO PRO ARG VAL VAL ASP SEQRES 6 B 242 LYS LEU SER LEU CYS ILE ALA PRO GLY LYS ALA CYS SER SEQRES 7 B 242 PRO GLY ALA SER GLU ILE THR GLY LEU SER LYS ALA GLU SEQRES 8 B 242 LEU GLU VAL GLN GLY ARG GLN ARG PHE ASP ASP ASN LEU SEQRES 9 B 242 ALA ILE LEU LEU ARG ALA PHE LEU GLN ARG GLN PRO GLN SEQRES 10 B 242 PRO CYS CYS LEU VAL ALA HIS ASN GLY ASP ARG TYR ASP SEQRES 11 B 242 PHE PRO LEU LEU GLN THR GLU LEU ALA ARG LEU SER THR SEQRES 12 B 242 PRO SER PRO LEU ASP GLY THR PHE CYS VAL ASP SER ILE SEQRES 13 B 242 ALA ALA LEU LYS ALA LEU GLU GLN ALA SER SER PRO SER SEQRES 14 B 242 GLY ASN GLY SER ARG LYS SER TYR SER LEU GLY SER ILE SEQRES 15 B 242 TYR THR ARG LEU TYR TRP GLN ALA PRO THR ASP SER HIS SEQRES 16 B 242 THR ALA GLU GLY ASP VAL LEU THR LEU LEU SER ILE CYS SEQRES 17 B 242 GLN TRP LYS PRO GLN ALA LEU LEU GLN TRP VAL ASP GLU SEQRES 18 B 242 HIS ALA ARG PRO PHE SER THR VAL LYS PRO MET TYR GLY SEQRES 19 B 242 THR PRO ALA THR THR GLY THR THR SEQRES 1 A 242 MET GLY SER GLN THR LEU PRO HIS GLY HIS MET GLN THR SEQRES 2 A 242 LEU ILE PHE LEU ASN LEU GLU ALA THR GLY LEU PRO SER SEQRES 3 A 242 SER ARG PRO GLU VAL THR GLU LEU CYS LEU LEU ALA VAL SEQRES 4 A 242 HIS ARG ARG ALA LEU GLU ASN THR SER ILE SER GLN GLY SEQRES 5 A 242 HIS PRO PRO PRO VAL PRO ARG PRO PRO ARG VAL VAL ASP SEQRES 6 A 242 LYS LEU SER LEU CYS ILE ALA PRO GLY LYS ALA CYS SER SEQRES 7 A 242 PRO GLY ALA SER GLU ILE THR GLY LEU SER LYS ALA GLU SEQRES 8 A 242 LEU GLU VAL GLN GLY ARG GLN ARG PHE ASP ASP ASN LEU SEQRES 9 A 242 ALA ILE LEU LEU ARG ALA PHE LEU GLN ARG GLN PRO GLN SEQRES 10 A 242 PRO CYS CYS LEU VAL ALA HIS ASN GLY ASP ARG TYR ASP SEQRES 11 A 242 PHE PRO LEU LEU GLN THR GLU LEU ALA ARG LEU SER THR SEQRES 12 A 242 PRO SER PRO LEU ASP GLY THR PHE CYS VAL ASP SER ILE SEQRES 13 A 242 ALA ALA LEU LYS ALA LEU GLU GLN ALA SER SER PRO SER SEQRES 14 A 242 GLY ASN GLY SER ARG LYS SER TYR SER LEU GLY SER ILE SEQRES 15 A 242 TYR THR ARG LEU TYR TRP GLN ALA PRO THR ASP SER HIS SEQRES 16 A 242 THR ALA GLU GLY ASP VAL LEU THR LEU LEU SER ILE CYS SEQRES 17 A 242 GLN TRP LYS PRO GLN ALA LEU LEU GLN TRP VAL ASP GLU SEQRES 18 A 242 HIS ALA ARG PRO PHE SER THR VAL LYS PRO MET TYR GLY SEQRES 19 A 242 THR PRO ALA THR THR GLY THR THR SEQRES 1 C 4 DG DA DC DG SEQRES 1 D 4 DG DA DC DG HET CA B 243 1 HET CA A 243 1 HET CA C 5 1 HET CA D 5 1 HETNAM CA CALCIUM ION FORMUL 5 CA 4(CA 2+) FORMUL 9 HOH *93(H2 O) HELIX 1 1 LEU B 24 ARG B 28 5 5 HELIX 2 2 ARG B 42 GLU B 45 5 4 HELIX 3 3 SER B 78 GLY B 86 1 9 HELIX 4 4 SER B 88 GLN B 95 1 8 HELIX 5 5 ASP B 101 GLN B 113 1 13 HELIX 6 6 TYR B 129 ARG B 140 1 12 HELIX 7 7 SER B 155 GLU B 163 1 9 HELIX 8 8 SER B 178 TRP B 188 1 11 HELIX 9 9 THR B 196 TRP B 210 1 15 HELIX 10 10 LYS B 211 ALA B 223 1 13 HELIX 11 11 SER B 227 VAL B 229 5 3 HELIX 12 12 LEU A 24 ARG A 28 5 5 HELIX 13 13 ARG A 41 GLU A 45 1 5 HELIX 14 14 SER A 78 GLY A 86 1 9 HELIX 15 15 SER A 88 GLN A 95 1 8 HELIX 16 16 ASP A 101 ARG A 114 1 14 HELIX 17 17 TYR A 129 LEU A 141 1 13 HELIX 18 18 SER A 155 SER A 166 1 12 HELIX 19 19 SER A 178 TRP A 188 1 11 HELIX 20 20 THR A 196 GLN A 209 1 14 HELIX 21 21 LYS A 211 ALA A 223 1 13 HELIX 22 22 SER A 227 VAL A 229 5 3 SHEET 1 A12 ARG B 224 PRO B 225 0 SHEET 2 A12 PHE B 151 ASP B 154 -1 N CYS B 152 O ARG B 224 SHEET 3 A12 CYS B 119 ALA B 123 1 N LEU B 121 O PHE B 151 SHEET 4 A12 THR B 13 ALA B 21 1 N LEU B 17 O VAL B 122 SHEET 5 A12 VAL B 31 HIS B 40 -1 O VAL B 39 N LEU B 14 SHEET 6 A12 ASP B 65 CYS B 70 -1 O LEU B 69 N LEU B 34 SHEET 7 A12 ASP A 65 CYS A 70 -1 O SER A 68 N LYS B 66 SHEET 8 A12 VAL A 31 HIS A 40 -1 N ALA A 38 O ASP A 65 SHEET 9 A12 THR A 13 ALA A 21 -1 N LEU A 14 O VAL A 39 SHEET 10 A12 CYS A 119 ALA A 123 1 O VAL A 122 N ILE A 15 SHEET 11 A12 PHE A 151 ASP A 154 1 O PHE A 151 N LEU A 121 SHEET 12 A12 ARG A 224 PRO A 225 -1 O ARG A 224 N CYS A 152 LINK OD1 ASN B 18 CA CA C 5 1555 1555 2.65 LINK OE2 GLU B 20 CA CA B 243 1555 1555 2.57 LINK OD2 ASP B 200 CA CA B 243 1555 1555 2.74 LINK CA CA B 243 OP1 DG C 4 1555 1555 2.55 LINK O HOH B 250 CA CA C 5 1555 1555 2.73 LINK OD1 ASN A 18 CA CA D 5 1555 1555 2.50 LINK OE2 GLU A 20 CA CA A 243 1555 1555 2.62 LINK OD2 ASP A 200 CA CA A 243 1555 1555 3.00 LINK CA CA A 243 OP1 DG D 4 1555 1555 2.71 LINK O HOH A 253 CA CA D 5 1555 1555 2.70 LINK O HOH A 254 CA CA D 5 1555 1555 2.60 LINK O3' DC C 3 CA CA C 5 1555 1555 2.97 LINK OP1 DG C 4 CA CA C 5 1555 1555 2.95 LINK CA CA C 5 O HOH C 74 1555 1555 2.60 LINK O3' DC D 3 CA CA D 5 1555 1555 2.77 LINK OP1 DG D 4 CA CA D 5 1555 1555 2.73 LINK CA CA D 5 O HOH D 23 1555 1555 2.54 CISPEP 1 HIS B 53 PRO B 54 0 -12.26 CISPEP 2 GLN B 117 PRO B 118 0 0.15 CISPEP 3 HIS A 53 PRO A 54 0 -8.24 CISPEP 4 GLN A 117 PRO A 118 0 1.37 SITE 1 AC1 5 ASN B 18 GLU B 20 HIS B 195 ASP B 200 SITE 2 AC1 5 DG C 4 SITE 1 AC2 5 ASN A 18 GLU A 20 HIS A 195 ASP A 200 SITE 2 AC2 5 DG D 4 SITE 1 AC3 5 ASN B 18 HOH B 250 DC C 3 DG C 4 SITE 2 AC3 5 HOH C 74 SITE 1 AC4 6 ASN A 18 HOH A 253 HOH A 254 DC D 3 SITE 2 AC4 6 DG D 4 HOH D 23 CRYST1 64.028 58.776 66.523 90.00 110.33 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 0.015618 0.000000 0.005786 0.00000 SCALE2 0.000000 0.017014 0.000000 0.00000 SCALE3 0.000000 0.000000 0.016031 0.00000