HEADER HYDROLASE 19-MAY-11 3S4L TITLE THE CRISPR-ASSOCIATED CAS3 HD DOMAIN PROTEIN MJ0384 FROM TITLE 2 METHANOCALDOCOCCUS JANNASCHII COMPND MOL_ID: 1; COMPND 2 MOLECULE: CAS3 METAL DEPENDENT PHOSPHOHYDROLASE; COMPND 3 CHAIN: A; COMPND 4 SYNONYM: UNCHARACTERIZED PROTEIN MJ0384; COMPND 5 ENGINEERED: YES SOURCE MOL_ID: 1; SOURCE 2 ORGANISM_SCIENTIFIC: METHANOCALDOCOCCUS JANNASCHII; SOURCE 3 ORGANISM_TAXID: 243232; SOURCE 4 STRAIN: ATCC 43067 / DSM 2661 / JAL-1 / JCM 10045 / NBRC 100440; SOURCE 5 GENE: MJ0384, Y384_METJA; SOURCE 6 EXPRESSION_SYSTEM: ESCHERICHIA COLI; SOURCE 7 EXPRESSION_SYSTEM_TAXID: 469008; SOURCE 8 EXPRESSION_SYSTEM_STRAIN: BL21(DE3); SOURCE 9 EXPRESSION_SYSTEM_VECTOR_TYPE: PLASMID; SOURCE 10 EXPRESSION_SYSTEM_PLASMID: P15-TVL KEYWDS IMMUNE SYSTEM, HD-MOTIF, STRUCTURAL GENOMICS, PSI-BIOLOGY, MIDWEST KEYWDS 2 CENTER FOR STRUCTURAL GENOMICS, MCSG, NUCLEASE, HYDROLASE EXPDTA X-RAY DIFFRACTION AUTHOR P.PETIT,G.BROWN,A.YAKUNIN,A.EDWARDS,A.JOACHIMIAK,A.SAVCHENKO,MIDWEST AUTHOR 2 CENTER FOR STRUCTURAL GENOMICS (MCSG) REVDAT 4 28-FEB-24 3S4L 1 REMARK LINK REVDAT 3 12-FEB-20 3S4L 1 JRNL REVDAT 2 05-OCT-11 3S4L 1 AUTHOR VERSN REVDAT 1 22-JUN-11 3S4L 0 SPRSDE 22-JUN-11 3S4L 3M5F JRNL AUTH N.BELOGLAZOVA,P.PETIT,R.FLICK,G.BROWN,A.SAVCHENKO, JRNL AUTH 2 A.F.YAKUNIN JRNL TITL STRUCTURE AND ACTIVITY OF THE CAS3 HD NUCLEASE MJ0384, AN JRNL TITL 2 EFFECTOR ENZYME OF THE CRISPR INTERFERENCE. JRNL REF EMBO J. V. 30 4616 2011 JRNL REFN ESSN 1460-2075 JRNL PMID 22009198 JRNL DOI 10.1038/EMBOJ.2011.377 REMARK 2 REMARK 2 RESOLUTION. 2.30 ANGSTROMS. REMARK 3 REMARK 3 REFINEMENT. REMARK 3 PROGRAM : PHENIX (PHENIX.REFINE: 1.7.1_743) 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) : 2.30 REMARK 3 RESOLUTION RANGE LOW (ANGSTROMS) : 29.54 REMARK 3 MIN(FOBS/SIGMA_FOBS) : 1.350 REMARK 3 COMPLETENESS FOR RANGE (%) : 99.9 REMARK 3 NUMBER OF REFLECTIONS : 13536 REMARK 3 REMARK 3 FIT TO DATA USED IN REFINEMENT. REMARK 3 R VALUE (WORKING + TEST SET) : 0.236 REMARK 3 R VALUE (WORKING SET) : 0.234 REMARK 3 FREE R VALUE : 0.272 REMARK 3 FREE R VALUE TEST SET SIZE (%) : 4.960 REMARK 3 FREE R VALUE TEST SET COUNT : 671 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 29.5389 - 3.9305 0.99 2739 123 0.2138 0.2242 REMARK 3 2 3.9305 - 3.1209 1.00 2569 142 0.2343 0.2864 REMARK 3 3 3.1209 - 2.7267 1.00 2560 127 0.2472 0.3247 REMARK 3 4 2.7267 - 2.4775 1.00 2498 136 0.2590 0.2704 REMARK 3 5 2.4775 - 2.3000 1.00 2499 143 0.2917 0.3937 REMARK 3 REMARK 3 BULK SOLVENT MODELLING. REMARK 3 METHOD USED : FLAT BULK SOLVENT MODEL REMARK 3 SOLVENT RADIUS : 1.30 REMARK 3 SHRINKAGE RADIUS : 1.06 REMARK 3 K_SOL : 0.32 REMARK 3 B_SOL : 46.39 REMARK 3 REMARK 3 ERROR ESTIMATES. REMARK 3 COORDINATE ERROR (MAXIMUM-LIKELIHOOD BASED) : 0.640 REMARK 3 PHASE ERROR (DEGREES, MAXIMUM-LIKELIHOOD BASED) : 25.770 REMARK 3 REMARK 3 B VALUES. REMARK 3 FROM WILSON PLOT (A**2) : NULL REMARK 3 MEAN B VALUE (OVERALL, A**2) : NULL REMARK 3 OVERALL ANISOTROPIC B VALUE. REMARK 3 B11 (A**2) : 3.93990 REMARK 3 B22 (A**2) : 3.93990 REMARK 3 B33 (A**2) : -7.87980 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 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 1609 REMARK 3 ANGLE : 1.122 2162 REMARK 3 CHIRALITY : 0.084 255 REMARK 3 PLANARITY : 0.003 262 REMARK 3 DIHEDRAL : 18.409 601 REMARK 3 REMARK 3 TLS DETAILS REMARK 3 NUMBER OF TLS GROUPS : 1 REMARK 3 TLS GROUP : 1 REMARK 3 SELECTION: ALL REMARK 3 ORIGIN FOR THE GROUP (A): 48.8527 24.4472 80.1563 REMARK 3 T TENSOR REMARK 3 T11: 0.0449 T22: 0.0903 REMARK 3 T33: 0.0968 T12: -0.0542 REMARK 3 T13: -0.0330 T23: 0.0525 REMARK 3 L TENSOR REMARK 3 L11: 2.3864 L22: 2.7604 REMARK 3 L33: 3.8370 L12: 0.8711 REMARK 3 L13: -1.2064 L23: -1.9970 REMARK 3 S TENSOR REMARK 3 S11: -0.0923 S12: 0.2082 S13: -0.0155 REMARK 3 S21: -0.0228 S22: 0.2092 S23: 0.0509 REMARK 3 S31: 0.1053 S32: -0.1806 S33: -0.0472 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 3S4L COMPLIES WITH FORMAT V. 3.30, 13-JUL-11 REMARK 100 REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY RCSB ON 31-MAY-11. REMARK 100 THE DEPOSITION ID IS D_1000065753. REMARK 200 REMARK 200 EXPERIMENTAL DETAILS REMARK 200 EXPERIMENT TYPE : X-RAY DIFFRACTION REMARK 200 DATE OF DATA COLLECTION : 07-FEB-10 REMARK 200 TEMPERATURE (KELVIN) : 100 REMARK 200 PH : 6.0 REMARK 200 NUMBER OF CRYSTALS USED : 1 REMARK 200 REMARK 200 SYNCHROTRON (Y/N) : Y REMARK 200 RADIATION SOURCE : APS REMARK 200 BEAMLINE : 19-ID REMARK 200 X-RAY GENERATOR MODEL : NULL REMARK 200 MONOCHROMATIC OR LAUE (M/L) : M REMARK 200 WAVELENGTH OR RANGE (A) : 0.97941 REMARK 200 MONOCHROMATOR : SI 111 REMARK 200 OPTICS : NULL REMARK 200 REMARK 200 DETECTOR TYPE : CCD REMARK 200 DETECTOR MANUFACTURER : ADSC QUANTUM 315 REMARK 200 INTENSITY-INTEGRATION SOFTWARE : XDS REMARK 200 DATA SCALING SOFTWARE : SCALA REMARK 200 REMARK 200 NUMBER OF UNIQUE REFLECTIONS : 13603 REMARK 200 RESOLUTION RANGE HIGH (A) : 2.300 REMARK 200 RESOLUTION RANGE LOW (A) : 29.540 REMARK 200 REJECTION CRITERIA (SIGMA(I)) : 2.000 REMARK 200 REMARK 200 OVERALL. REMARK 200 COMPLETENESS FOR RANGE (%) : 99.9 REMARK 200 DATA REDUNDANCY : 13.70 REMARK 200 R MERGE (I) : 0.04000 REMARK 200 R SYM (I) : 0.04000 REMARK 200 FOR THE DATA SET : 38.3000 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) : 2.42 REMARK 200 COMPLETENESS FOR SHELL (%) : 99.9 REMARK 200 DATA REDUNDANCY IN SHELL : 14.20 REMARK 200 R MERGE FOR SHELL (I) : 0.35000 REMARK 200 R SYM FOR SHELL (I) : 0.33000 REMARK 200 FOR SHELL : 8.300 REMARK 200 REMARK 200 DIFFRACTION PROTOCOL: SINGLE WAVELENGTH REMARK 200 METHOD USED TO DETERMINE THE STRUCTURE: SAD REMARK 200 SOFTWARE USED: SHELXD REMARK 200 STARTING MODEL: NULL REMARK 200 REMARK 200 REMARK: NULL REMARK 280 REMARK 280 CRYSTAL REMARK 280 SOLVENT CONTENT, VS (%): 50.74 REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 2.50 REMARK 280 REMARK 280 CRYSTALLIZATION CONDITIONS: PEG 5000 MME 25%, (NH4)2 SO4 0.2M, SPG REMARK 280 0.1M, PH 6.0, VAPOR DIFFUSION, SITTING DROP, TEMPERATURE 293K REMARK 290 REMARK 290 CRYSTALLOGRAPHIC SYMMETRY REMARK 290 SYMMETRY OPERATORS FOR SPACE GROUP: P 41 21 2 REMARK 290 REMARK 290 SYMOP SYMMETRY REMARK 290 NNNMMM OPERATOR REMARK 290 1555 X,Y,Z REMARK 290 2555 -X,-Y,Z+1/2 REMARK 290 3555 -Y+1/2,X+1/2,Z+1/4 REMARK 290 4555 Y+1/2,-X+1/2,Z+3/4 REMARK 290 5555 -X+1/2,Y+1/2,-Z+1/4 REMARK 290 6555 X+1/2,-Y+1/2,-Z+3/4 REMARK 290 7555 Y,X,-Z REMARK 290 8555 -Y,-X,-Z+1/2 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 0.00000 REMARK 290 SMTRY3 2 0.000000 0.000000 1.000000 81.43950 REMARK 290 SMTRY1 3 0.000000 -1.000000 0.000000 29.53650 REMARK 290 SMTRY2 3 1.000000 0.000000 0.000000 29.53650 REMARK 290 SMTRY3 3 0.000000 0.000000 1.000000 40.71975 REMARK 290 SMTRY1 4 0.000000 1.000000 0.000000 29.53650 REMARK 290 SMTRY2 4 -1.000000 0.000000 0.000000 29.53650 REMARK 290 SMTRY3 4 0.000000 0.000000 1.000000 122.15925 REMARK 290 SMTRY1 5 -1.000000 0.000000 0.000000 29.53650 REMARK 290 SMTRY2 5 0.000000 1.000000 0.000000 29.53650 REMARK 290 SMTRY3 5 0.000000 0.000000 -1.000000 40.71975 REMARK 290 SMTRY1 6 1.000000 0.000000 0.000000 29.53650 REMARK 290 SMTRY2 6 0.000000 -1.000000 0.000000 29.53650 REMARK 290 SMTRY3 6 0.000000 0.000000 -1.000000 122.15925 REMARK 290 SMTRY1 7 0.000000 1.000000 0.000000 0.00000 REMARK 290 SMTRY2 7 1.000000 0.000000 0.000000 0.00000 REMARK 290 SMTRY3 7 0.000000 0.000000 -1.000000 0.00000 REMARK 290 SMTRY1 8 0.000000 -1.000000 0.000000 0.00000 REMARK 290 SMTRY2 8 -1.000000 0.000000 0.000000 0.00000 REMARK 290 SMTRY3 8 0.000000 0.000000 -1.000000 81.43950 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 SOFTWARE DETERMINED QUATERNARY STRUCTURE: MONOMERIC REMARK 350 SOFTWARE USED: PISA 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 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 ILE A 2 REMARK 465 LEU A 3 REMARK 465 GLY A 4 REMARK 465 GLU A 5 REMARK 465 GLY A 130 REMARK 465 GLN A 131 REMARK 465 ILE A 132 REMARK 465 ARG A 133 REMARK 465 ASN A 134 REMARK 465 LEU A 135 REMARK 465 LYS A 136 REMARK 465 LYS A 137 REMARK 465 LYS A 138 REMARK 465 ILE A 175 REMARK 465 LYS A 176 REMARK 465 ASN A 177 REMARK 465 ASP A 178 REMARK 465 SER A 179 REMARK 465 MET A 217 REMARK 465 CYS A 218 REMARK 465 ASP A 219 REMARK 465 TYR A 220 REMARK 465 LYS A 221 REMARK 465 GLY A 222 REMARK 465 ALA A 223 REMARK 465 GLU A 224 REMARK 465 SER A 225 REMARK 465 ARG A 226 REMARK 465 GLU A 227 REMARK 465 GLY A 228 REMARK 465 LYS A 229 REMARK 465 ALA A 230 REMARK 465 PRO A 231 REMARK 465 LYS A 232 REMARK 465 PHE A 233 REMARK 465 ALA A 234 REMARK 465 GLU A 235 REMARK 465 VAL A 236 REMARK 465 LEU A 237 REMARK 465 GLU A 238 REMARK 465 VAL A 239 REMARK 465 GLU A 240 REMARK 465 SER A 241 REMARK 465 TYR A 242 REMARK 465 VAL A 243 REMARK 465 ILE A 244 REMARK 470 REMARK 470 MISSING ATOM REMARK 470 THE FOLLOWING RESIDUES HAVE MISSING ATOMS (M=MODEL NUMBER; REMARK 470 RES=RESIDUE NAME; C=CHAIN IDENTIFIER; SSEQ=SEQUENCE NUMBER; REMARK 470 I=INSERTION CODE): REMARK 470 M RES CSSEQI ATOMS REMARK 470 LYS A 26 CE NZ REMARK 470 ARG A 34 CG CD NE CZ NH1 NH2 REMARK 470 LYS A 54 CE NZ REMARK 470 ASP A 82 CG OD1 OD2 REMARK 470 GLN A 83 CG CD OE1 NE2 REMARK 470 LYS A 85 CG CD CE NZ REMARK 470 GLU A 125 CG CD OE1 OE2 REMARK 470 ILE A 128 CG1 CG2 CD1 REMARK 470 ASP A 173 CB CG OD1 OD2 REMARK 470 ASN A 200 CG OD1 ND2 REMARK 470 GLU A 202 CG CD OE1 OE2 REMARK 470 LYS A 203 CG CD CE NZ 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 NH2 ARG A 77 OD2 ASP A 153 1.97 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 82 46.16 -90.47 REMARK 500 ILE A 128 40.25 86.57 REMARK 500 ILE A 171 0.94 -69.55 REMARK 500 SER A 201 -84.13 29.73 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 501 CA REMARK 620 N RES CSSEQI ATOM REMARK 620 1 ASP A 67 OD2 REMARK 620 2 HIS A 91 NE2 91.0 REMARK 620 3 HIS A 123 NE2 85.6 95.0 REMARK 620 4 HIS A 124 NE2 174.8 94.1 93.0 REMARK 620 5 HOH A 275 O 93.5 101.3 163.7 86.5 REMARK 620 6 HOH A 276 O 75.6 163.0 94.3 99.6 69.9 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 501 REMARK 900 REMARK 900 RELATED ENTRIES REMARK 900 RELATED ID: APC40133 RELATED DB: TARGETDB DBREF 3S4L A 1 244 UNP Q57829 Y384_METJA 1 244 SEQRES 1 A 244 MET ILE LEU GLY GLU ILE MET GLU VAL LEU ALA PHE LYS SEQRES 2 A 244 ASN GLN SER LEU ILE ASP HIS VAL ASN ASP MET VAL LYS SEQRES 3 A 244 TYR TRP GLU ARG ILE LYS TYR ARG TYR LEU LYS THR ILE SEQRES 4 A 244 LYS ARG ALA LEU GLU ALA LEU ASN ILE LYS LEU ASP ILE SEQRES 5 A 244 GLU LYS VAL ASP GLU PHE MET LYS ILE LEU ILE LYS LEU SEQRES 6 A 244 HIS ASP ILE GLY LYS ALA SER LYS ILE TYR GLN ARG ALA SEQRES 7 A 244 ILE ILE ASN ASP GLN GLU LYS LEU MET GLY PHE ARG HIS SEQRES 8 A 244 GLU LEU VAL SER ALA TYR TYR THR TYR HIS ILE LEU LEU SEQRES 9 A 244 LYS LYS PHE GLY ASP LYS ASN LEU ALA PHE ILE GLY ALA SEQRES 10 A 244 LEU THR VAL MET LEU HIS HIS GLU PRO ILE ILE MET GLY SEQRES 11 A 244 GLN ILE ARG ASN LEU LYS LYS LYS GLU LEU THR ALA GLU SEQRES 12 A 244 VAL VAL LEU ASP LYS LEU LYS LYS PHE ASP GLY MET ILE SEQRES 13 A 244 GLU ASP PHE GLU ASP LEU ILE LYS LYS LEU ILE GLY TYR SEQRES 14 A 244 SER ILE GLY ASP ILE ILE LYS ASN ASP SER ASN LYS ASP SEQRES 15 A 244 ASP ILE ILE ARG PHE VAL ILE GLU MET SER VAL ARG ALA SEQRES 16 A 244 ARG HIS THR PRO ASN SER GLU LYS LEU ARG PHE ILE VAL SEQRES 17 A 244 GLY THR LEU LEU LEU PRO LEU VAL MET CYS ASP TYR LYS SEQRES 18 A 244 GLY ALA GLU SER ARG GLU GLY LYS ALA PRO LYS PHE ALA SEQRES 19 A 244 GLU VAL LEU GLU VAL GLU SER TYR VAL ILE HET CA A 500 1 HET CA A 501 1 HETNAM CA CALCIUM ION FORMUL 2 CA 2(CA 2+) FORMUL 4 HOH *30(H2 O) HELIX 1 1 LEU A 17 LYS A 32 1 16 HELIX 2 2 TYR A 35 GLU A 44 1 10 HELIX 3 3 ALA A 45 ASN A 47 5 3 HELIX 4 4 ASP A 51 HIS A 66 1 16 HELIX 5 5 ASP A 67 ALA A 71 5 5 HELIX 6 6 SER A 72 ASN A 81 1 10 HELIX 7 7 ARG A 90 GLY A 108 1 19 HELIX 8 8 ASP A 109 LEU A 122 1 14 HELIX 9 9 THR A 141 LYS A 150 1 10 HELIX 10 10 ASP A 158 GLY A 168 1 11 HELIX 11 11 ASN A 180 THR A 198 1 19 HELIX 12 12 LYS A 203 VAL A 216 1 14 SHEET 1 A 2 LEU A 10 PHE A 12 0 SHEET 2 A 2 GLN A 15 SER A 16 -1 O GLN A 15 N ALA A 11 LINK OD2 ASP A 67 CA CA A 501 1555 1555 2.26 LINK NE2 HIS A 91 CA CA A 501 1555 1555 2.31 LINK NE2 HIS A 123 CA CA A 501 1555 1555 2.37 LINK NE2 HIS A 124 CA CA A 501 1555 1555 2.32 LINK O HOH A 275 CA CA A 501 1555 1555 2.82 LINK O HOH A 276 CA CA A 501 1555 1555 2.32 SITE 1 AC1 6 ASP A 67 HIS A 91 HIS A 123 HIS A 124 SITE 2 AC1 6 HOH A 275 HOH A 276 CRYST1 59.073 59.073 162.879 90.00 90.00 90.00 P 41 21 2 8 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 0.016928 0.000000 0.000000 0.00000 SCALE2 0.000000 0.016928 0.000000 0.00000 SCALE3 0.000000 0.000000 0.006140 0.00000