HEADER HYDROLASE 25-NOV-08 3FDK TITLE CRYSTAL STRUCTURE OF HYDROLASE DR0930 WITH PROMISCUOUS TITLE 2 CATALYTIC ACTIVITY COMPND MOL_ID: 1; COMPND 2 MOLECULE: HYDROLASE DR0930; COMPND 3 CHAIN: A; COMPND 4 SYNONYM: PHOSPHOTRIESTERASE; COMPND 5 ENGINEERED: YES SOURCE MOL_ID: 1; SOURCE 2 ORGANISM_SCIENTIFIC: DEINOCOCCUS RADIODURANS; SOURCE 3 ORGANISM_TAXID: 1299; SOURCE 4 GENE: DR_0930; SOURCE 5 EXPRESSION_SYSTEM: ESCHERICHIA COLI; SOURCE 6 EXPRESSION_SYSTEM_TAXID: 562 KEYWDS HYDROLASE, DR0930, PROMISCUOUS ACTIVITY EXPDTA X-RAY DIFFRACTION AUTHOR A.A.FEDOROV,L.V.FEDOROV,D.F.XIANG,F.M.RAUSHEL,S.C.ALMO REVDAT 2 10-NOV-09 3FDK 1 JRNL REVDAT 1 30-JUN-09 3FDK 0 JRNL AUTH D.F.XIANG,P.KOLB,A.A.FEDOROV,M.M.MEIER,L.V.FEDOROV, JRNL AUTH 2 T.T.NGUYEN,R.STERNER,S.C.ALMO,B.K.SHOICHET, JRNL AUTH 3 F.M.RAUSHEL JRNL TITL FUNCTIONAL ANNOTATION AND THREE-DIMENSIONAL JRNL TITL 2 STRUCTURE OF DR0930 FROM DEINOCOCCUS RADIODURANS, A JRNL TITL 3 CLOSE RELATIVE OF PHOSPHOTRIESTERASE IN THE JRNL TITL 4 AMIDOHYDROLASE SUPERFAMILY. JRNL REF BIOCHEMISTRY V. 48 2237 2009 JRNL REFN ISSN 0006-2960 JRNL PMID 19159332 JRNL DOI 10.1021/BI802274F REMARK 1 REMARK 2 REMARK 2 RESOLUTION. 2.10 ANGSTROMS. REMARK 3 REMARK 3 REFINEMENT. REMARK 3 PROGRAM : CNS 1.1 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) : 2.10 REMARK 3 RESOLUTION RANGE LOW (ANGSTROMS) : 24.83 REMARK 3 DATA CUTOFF (SIGMA(F)) : 0.000 REMARK 3 DATA CUTOFF HIGH (ABS(F)) : 2277884.930 REMARK 3 DATA CUTOFF LOW (ABS(F)) : 0.0000 REMARK 3 COMPLETENESS (WORKING+TEST) (%) : 98.7 REMARK 3 NUMBER OF REFLECTIONS : 26992 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) : 0.232 REMARK 3 FREE R VALUE : 0.277 REMARK 3 FREE R VALUE TEST SET SIZE (%) : 5.000 REMARK 3 FREE R VALUE TEST SET COUNT : 1353 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 : 10 REMARK 3 BIN RESOLUTION RANGE HIGH (A) : 2.10 REMARK 3 BIN RESOLUTION RANGE LOW (A) : 2.18 REMARK 3 BIN COMPLETENESS (WORKING+TEST) (%) : 98.20 REMARK 3 REFLECTIONS IN BIN (WORKING SET) : 2489 REMARK 3 BIN R VALUE (WORKING SET) : 0.3150 REMARK 3 BIN FREE R VALUE : 0.3520 REMARK 3 BIN FREE R VALUE TEST SET SIZE (%) : 5.50 REMARK 3 BIN FREE R VALUE TEST SET COUNT : 144 REMARK 3 ESTIMATED ERROR OF BIN FREE R VALUE : 0.029 REMARK 3 REMARK 3 NUMBER OF NON-HYDROGEN ATOMS USED IN REFINEMENT. REMARK 3 PROTEIN ATOMS : 2440 REMARK 3 NUCLEIC ACID ATOMS : 0 REMARK 3 HETEROGEN ATOMS : 2 REMARK 3 SOLVENT ATOMS : 384 REMARK 3 REMARK 3 B VALUES. REMARK 3 FROM WILSON PLOT (A**2) : 19.90 REMARK 3 MEAN B VALUE (OVERALL, A**2) : 34.50 REMARK 3 OVERALL ANISOTROPIC B VALUE. REMARK 3 B11 (A**2) : 6.95000 REMARK 3 B22 (A**2) : 6.95000 REMARK 3 B33 (A**2) : -13.89000 REMARK 3 B12 (A**2) : 3.07000 REMARK 3 B13 (A**2) : 0.00000 REMARK 3 B23 (A**2) : 0.00000 REMARK 3 REMARK 3 ESTIMATED COORDINATE ERROR. REMARK 3 ESD FROM LUZZATI PLOT (A) : 0.29 REMARK 3 ESD FROM SIGMAA (A) : 0.30 REMARK 3 LOW RESOLUTION CUTOFF (A) : 5.00 REMARK 3 REMARK 3 CROSS-VALIDATED ESTIMATED COORDINATE ERROR. REMARK 3 ESD FROM C-V LUZZATI PLOT (A) : 0.36 REMARK 3 ESD FROM C-V SIGMAA (A) : 0.30 REMARK 3 REMARK 3 RMS DEVIATIONS FROM IDEAL VALUES. REMARK 3 BOND LENGTHS (A) : 0.006 REMARK 3 BOND ANGLES (DEGREES) : 1.40 REMARK 3 DIHEDRAL ANGLES (DEGREES) : 22.80 REMARK 3 IMPROPER ANGLES (DEGREES) : 0.84 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) : 1.280 ; 1.500 REMARK 3 MAIN-CHAIN ANGLE (A**2) : 1.880 ; 2.000 REMARK 3 SIDE-CHAIN BOND (A**2) : 1.750 ; 2.000 REMARK 3 SIDE-CHAIN ANGLE (A**2) : 2.410 ; 2.500 REMARK 3 REMARK 3 BULK SOLVENT MODELING. REMARK 3 METHOD USED : FLAT MODEL REMARK 3 KSOL : 0.39 REMARK 3 BSOL : 73.83 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.PTR.KCX REMARK 3 PARAMETER FILE 2 : WATER_REP.PARAM REMARK 3 PARAMETER FILE 3 : ION.PARAM REMARK 3 PARAMETER FILE 4 : PARAMETER_INFILE_4 REMARK 3 PARAMETER FILE 5 : PARAMETER_INFILE_5 REMARK 3 PARAMETER FILE 6 : NULL REMARK 3 TOPOLOGY FILE 1 : PROTEIN.TOP.PTR.KCX REMARK 3 TOPOLOGY FILE 2 : WATER.TOP REMARK 3 TOPOLOGY FILE 3 : ION.TOP REMARK 3 TOPOLOGY FILE 4 : TOPOLOGY_INFILE_4 REMARK 3 TOPOLOGY FILE 5 : TOPOLOGY_INFILE_5 REMARK 3 TOPOLOGY FILE 6 : NULL REMARK 3 REMARK 3 OTHER REFINEMENT REMARKS: NULL REMARK 4 REMARK 4 3FDK COMPLIES WITH FORMAT V. 3.20, 01-DEC-08 REMARK 100 REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY RCSB ON 04-DEC-08. REMARK 100 THE RCSB ID CODE IS RCSB050456. REMARK 200 REMARK 200 EXPERIMENTAL DETAILS REMARK 200 EXPERIMENT TYPE : X-RAY DIFFRACTION REMARK 200 DATE OF DATA COLLECTION : 15-SEP-07 REMARK 200 TEMPERATURE (KELVIN) : 100 REMARK 200 PH : 8.5 REMARK 200 NUMBER OF CRYSTALS USED : 1 REMARK 200 REMARK 200 SYNCHROTRON (Y/N) : Y REMARK 200 RADIATION SOURCE : NSLS REMARK 200 BEAMLINE : X4A REMARK 200 X-RAY GENERATOR MODEL : NULL REMARK 200 MONOCHROMATIC OR LAUE (M/L) : M REMARK 200 WAVELENGTH OR RANGE (A) : 0.97915 REMARK 200 MONOCHROMATOR : SI 111 CHANNEL REMARK 200 OPTICS : NULL REMARK 200 REMARK 200 DETECTOR TYPE : CCD REMARK 200 DETECTOR MANUFACTURER : ADSC QUANTUM 4 REMARK 200 INTENSITY-INTEGRATION SOFTWARE : DENZO REMARK 200 DATA SCALING SOFTWARE : SCALEPACK REMARK 200 REMARK 200 NUMBER OF UNIQUE REFLECTIONS : 26992 REMARK 200 RESOLUTION RANGE HIGH (A) : 2.100 REMARK 200 RESOLUTION RANGE LOW (A) : 25.000 REMARK 200 REJECTION CRITERIA (SIGMA(I)) : 0.000 REMARK 200 REMARK 200 OVERALL. REMARK 200 COMPLETENESS FOR RANGE (%) : 98.7 REMARK 200 DATA REDUNDANCY : NULL REMARK 200 R MERGE (I) : 0.04100 REMARK 200 R SYM (I) : NULL REMARK 200 FOR THE DATA SET : NULL REMARK 200 REMARK 200 IN THE HIGHEST RESOLUTION SHELL. REMARK 200 HIGHEST RESOLUTION SHELL, RANGE HIGH (A) : NULL REMARK 200 HIGHEST RESOLUTION SHELL, RANGE LOW (A) : NULL REMARK 200 COMPLETENESS FOR SHELL (%) : NULL REMARK 200 DATA REDUNDANCY IN SHELL : NULL REMARK 200 R MERGE FOR SHELL (I) : NULL 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: PHASER REMARK 200 STARTING MODEL: PDB ENTRY 1HZY REMARK 200 REMARK 200 REMARK: NULL REMARK 280 REMARK 280 CRYSTAL REMARK 280 SOLVENT CONTENT, VS (%): 61.92 REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 3.23 REMARK 280 REMARK 280 CRYSTALLIZATION CONDITIONS: 1.3 M AMMONIUM SULFATE, 0.1 TRIS, REMARK 280 0.2 M LITHIUM SULFATE, PH 8.5, VAPOR DIFFUSION, HANGING DROP, REMARK 280 TEMPERATURE 293.0K REMARK 290 REMARK 290 CRYSTALLOGRAPHIC SYMMETRY REMARK 290 SYMMETRY OPERATORS FOR SPACE GROUP: P 31 2 1 REMARK 290 REMARK 290 SYMOP SYMMETRY REMARK 290 NNNMMM OPERATOR REMARK 290 1555 X,Y,Z REMARK 290 2555 -Y,X-Y,Z+1/3 REMARK 290 3555 -X+Y,-X,Z+2/3 REMARK 290 4555 Y,X,-Z REMARK 290 5555 X-Y,-Y,-Z+2/3 REMARK 290 6555 -X,-X+Y,-Z+1/3 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 -0.500000 -0.866025 0.000000 0.00000 REMARK 290 SMTRY2 2 0.866025 -0.500000 0.000000 0.00000 REMARK 290 SMTRY3 2 0.000000 0.000000 1.000000 68.64767 REMARK 290 SMTRY1 3 -0.500000 0.866025 0.000000 0.00000 REMARK 290 SMTRY2 3 -0.866025 -0.500000 0.000000 0.00000 REMARK 290 SMTRY3 3 0.000000 0.000000 1.000000 137.29533 REMARK 290 SMTRY1 4 -0.500000 0.866025 0.000000 0.00000 REMARK 290 SMTRY2 4 0.866025 0.500000 0.000000 0.00000 REMARK 290 SMTRY3 4 0.000000 0.000000 -1.000000 0.00000 REMARK 290 SMTRY1 5 1.000000 0.000000 0.000000 0.00000 REMARK 290 SMTRY2 5 0.000000 -1.000000 0.000000 0.00000 REMARK 290 SMTRY3 5 0.000000 0.000000 -1.000000 137.29533 REMARK 290 SMTRY1 6 -0.500000 -0.866025 0.000000 0.00000 REMARK 290 SMTRY2 6 -0.866025 0.500000 0.000000 0.00000 REMARK 290 SMTRY3 6 0.000000 0.000000 -1.000000 68.64767 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: DIMERIC REMARK 350 SOFTWARE DETERMINED QUATERNARY STRUCTURE: DIMERIC REMARK 350 SOFTWARE USED: PISA REMARK 350 TOTAL BURIED SURFACE AREA: 3340 ANGSTROM**2 REMARK 350 SURFACE AREA OF THE COMPLEX: 22080 ANGSTROM**2 REMARK 350 CHANGE IN SOLVENT FREE ENERGY: -173.0 KCAL/MOL 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 350 BIOMT1 2 -0.500000 -0.866025 0.000000 92.25750 REMARK 350 BIOMT2 2 -0.866025 0.500000 0.000000 53.26489 REMARK 350 BIOMT3 2 0.000000 0.000000 -1.000000 68.64767 REMARK 375 REMARK 375 SPECIAL POSITION REMARK 375 THE FOLLOWING ATOMS ARE FOUND TO BE WITHIN 0.15 ANGSTROMS REMARK 375 OF A SYMMETRY RELATED ATOM AND ARE ASSUMED TO BE ON SPECIAL REMARK 375 POSITIONS. REMARK 375 REMARK 375 ATOM RES CSSEQI REMARK 375 HOH A 522 LIES ON A SPECIAL POSITION. REMARK 375 HOH A 644 LIES ON A SPECIAL POSITION. REMARK 375 HOH A 656 LIES ON A SPECIAL POSITION. 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 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 ALA A 150 167.66 176.77 REMARK 500 GLN A 182 8.35 80.53 REMARK 500 VAL A 235 40.25 38.67 REMARK 500 VAL A 315 -53.70 -127.98 REMARK 500 REMARK 500 REMARK: NULL REMARK 525 REMARK 525 SOLVENT REMARK 525 REMARK 525 THE SOLVENT MOLECULES HAVE CHAIN IDENTIFIERS THAT REMARK 525 INDICATE THE POLYMER CHAIN WITH WHICH THEY ARE MOST REMARK 525 CLOSELY ASSOCIATED. THE REMARK LISTS ALL THE SOLVENT REMARK 525 MOLECULES WHICH ARE MORE THAN 5A AWAY FROM THE REMARK 525 NEAREST POLYMER CHAIN (M = MODEL NUMBER; REMARK 525 RES=RESIDUE NAME; C=CHAIN IDENTIFIER; SSEQ=SEQUENCE REMARK 525 NUMBER; I=INSERTION CODE): REMARK 525 REMARK 525 M RES CSSEQI REMARK 525 HOH A 612 DISTANCE = 6.10 ANGSTROMS 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 ZN A 401 ZN REMARK 620 N RES CSSEQI ATOM REMARK 620 1 HIS A 21 NE2 REMARK 620 2 HIS A 23 NE2 106.0 REMARK 620 3 KCX A 143 OQ1 93.2 82.9 REMARK 620 4 ASP A 264 OD1 88.5 91.6 174.5 REMARK 620 5 HOH A 363 O 117.2 136.7 97.2 86.6 REMARK 620 N 1 2 3 4 REMARK 620 REMARK 620 COORDINATION ANGLES FOR: M RES CSSEQI METAL REMARK 620 ZN A 402 ZN REMARK 620 N RES CSSEQI ATOM REMARK 620 1 KCX A 143 OQ2 REMARK 620 2 HIS A 176 ND1 107.4 REMARK 620 3 HIS A 204 NE2 110.3 95.1 REMARK 620 4 HOH A 363 O 94.0 148.2 99.2 REMARK 620 N 1 2 3 REMARK 800 REMARK 800 SITE REMARK 800 SITE_IDENTIFIER: AC1 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE ZN A 401 REMARK 800 SITE_IDENTIFIER: AC2 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE ZN A 402 DBREF 3FDK A 1 323 UNP Q9RVU2 Q9RVU2_DEIRA 1 323 SEQRES 1 A 323 MET THR ALA GLN THR VAL THR GLY ALA VAL ALA ALA ALA SEQRES 2 A 323 GLN LEU GLY ALA THR LEU PRO HIS GLU HIS VAL ILE PHE SEQRES 3 A 323 GLY TYR PRO GLY TYR ALA GLY ASP VAL THR LEU GLY PRO SEQRES 4 A 323 PHE ASP HIS ALA ALA ALA LEU ALA SER CYS THR GLU THR SEQRES 5 A 323 ALA ARG ALA LEU LEU ALA ARG GLY ILE GLN THR VAL VAL SEQRES 6 A 323 ASP ALA THR PRO ASN ASP CYS GLY ARG ASN PRO ALA PHE SEQRES 7 A 323 LEU ARG GLU VAL SER GLU ALA THR GLY LEU GLN ILE LEU SEQRES 8 A 323 CYS ALA THR GLY PHE TYR TYR GLU GLY GLU GLY ALA THR SEQRES 9 A 323 THR TYR PHE LYS PHE ARG ALA SER LEU GLY ASP ALA GLU SEQRES 10 A 323 SER GLU ILE TYR GLU MET MET ARG THR GLU VAL THR GLU SEQRES 11 A 323 GLY ILE ALA GLY THR GLY ILE ARG ALA GLY VAL ILE KCX SEQRES 12 A 323 LEU ALA SER SER ARG ASP ALA ILE THR PRO TYR GLU GLN SEQRES 13 A 323 LEU PHE PHE ARG ALA ALA ALA ARG VAL GLN ARG GLU THR SEQRES 14 A 323 GLY VAL PRO ILE ILE THR HIS THR GLN GLU GLY GLN GLN SEQRES 15 A 323 GLY PRO GLN GLN ALA GLU LEU LEU THR SER LEU GLY ALA SEQRES 16 A 323 ASP PRO ALA ARG ILE MET ILE GLY HIS MET ASP GLY ASN SEQRES 17 A 323 THR ASP PRO ALA TYR HIS ARG GLU THR LEU ARG HIS GLY SEQRES 18 A 323 VAL SER ILE ALA PHE ASP ARG ILE GLY LEU GLN GLY MET SEQRES 19 A 323 VAL GLY THR PRO THR ASP ALA GLU ARG LEU SER VAL LEU SEQRES 20 A 323 THR THR LEU LEU GLY GLU GLY TYR ALA ASP ARG LEU LEU SEQRES 21 A 323 LEU SER HIS ASP SER ILE TRP HIS TRP LEU GLY ARG PRO SEQRES 22 A 323 PRO ALA ILE PRO GLU ALA ALA LEU PRO ALA VAL LYS ASP SEQRES 23 A 323 TRP HIS PRO LEU HIS ILE SER ASP ASP ILE LEU PRO ASP SEQRES 24 A 323 LEU ARG ARG ARG GLY ILE THR GLU GLU GLN VAL GLY GLN SEQRES 25 A 323 MET THR VAL GLY ASN PRO ALA ARG LEU PHE GLY MODRES 3FDK KCX A 143 LYS LYSINE NZ-CARBOXYLIC ACID HET KCX A 143 12 HET ZN A 401 1 HET ZN A 402 1 HETNAM KCX LYSINE NZ-CARBOXYLIC ACID HETNAM ZN ZINC ION FORMUL 1 KCX C7 H14 N2 O4 FORMUL 2 ZN 2(ZN 2+) FORMUL 4 HOH *384(H2 O) HELIX 1 1 ALA A 11 LEU A 15 5 5 HELIX 2 2 GLY A 30 VAL A 35 5 6 HELIX 3 3 ASP A 41 ARG A 59 1 19 HELIX 4 4 ASN A 75 GLY A 87 1 13 HELIX 5 5 THR A 104 GLY A 114 1 11 HELIX 6 6 ASP A 115 GLU A 130 1 16 HELIX 7 7 THR A 152 GLY A 170 1 19 HELIX 8 8 GLN A 182 LEU A 193 1 12 HELIX 9 9 ASP A 196 ALA A 198 5 3 HELIX 10 10 HIS A 204 ASN A 208 5 5 HELIX 11 11 ASP A 210 ARG A 219 1 10 HELIX 12 12 GLY A 233 THR A 237 5 5 HELIX 13 13 THR A 239 GLY A 252 1 14 HELIX 14 14 GLU A 253 GLY A 254 5 2 HELIX 15 15 TYR A 255 ASP A 257 5 3 HELIX 16 16 PRO A 277 ALA A 279 5 3 HELIX 17 17 ALA A 280 ASP A 286 1 7 HELIX 18 18 LEU A 290 ASP A 295 1 6 HELIX 19 19 ASP A 295 ARG A 303 1 9 HELIX 20 20 THR A 306 VAL A 315 1 10 HELIX 21 21 VAL A 315 GLY A 323 1 9 SHEET 1 A 2 ALA A 3 THR A 5 0 SHEET 2 A 2 GLY A 8 VAL A 10 -1 O VAL A 10 N ALA A 3 SHEET 1 B 4 GLN A 89 LEU A 91 0 SHEET 2 B 4 ILE A 61 ASP A 66 1 N ASP A 66 O LEU A 91 SHEET 3 B 4 ALA A 17 PHE A 26 1 N LEU A 19 O VAL A 65 SHEET 4 B 4 ILE A 266 TRP A 269 1 O TRP A 267 N HIS A 23 SHEET 1 C 6 ALA A 93 THR A 94 0 SHEET 2 C 6 VAL A 141 ALA A 145 1 O KCX A 143 N THR A 94 SHEET 3 C 6 ILE A 173 HIS A 176 1 O ILE A 174 N ILE A 142 SHEET 4 C 6 ILE A 200 ILE A 202 1 O MET A 201 N ILE A 173 SHEET 5 C 6 SER A 223 PHE A 226 1 O SER A 223 N ILE A 202 SHEET 6 C 6 LEU A 259 LEU A 261 1 O LEU A 260 N PHE A 226 LINK C ILE A 142 N KCX A 143 1555 1555 1.33 LINK C KCX A 143 N LEU A 144 1555 1555 1.33 LINK NE2 HIS A 21 ZN ZN A 401 1555 1555 2.20 LINK NE2 HIS A 23 ZN ZN A 401 1555 1555 2.03 LINK OQ1 KCX A 143 ZN ZN A 401 1555 1555 2.19 LINK OQ2 KCX A 143 ZN ZN A 402 1555 1555 1.86 LINK ND1 HIS A 176 ZN ZN A 402 1555 1555 2.03 LINK NE2 HIS A 204 ZN ZN A 402 1555 1555 2.07 LINK OD1 ASP A 264 ZN ZN A 401 1555 1555 2.13 LINK ZN ZN A 401 O HOH A 363 1555 1555 1.81 LINK ZN ZN A 402 O HOH A 363 1555 1555 2.15 SITE 1 AC1 6 HIS A 21 HIS A 23 KCX A 143 ASP A 264 SITE 2 AC1 6 HOH A 363 ZN A 402 SITE 1 AC2 6 KCX A 143 HIS A 176 HIS A 204 ARG A 228 SITE 2 AC2 6 HOH A 363 ZN A 401 CRYST1 61.505 61.505 205.943 90.00 90.00 120.00 P 31 2 1 6 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 0.016259 0.009387 0.000000 0.00000 SCALE2 0.000000 0.018774 0.000000 0.00000 SCALE3 0.000000 0.000000 0.004856 0.00000 MASTER 319 0 3 21 12 0 4 6 0 0 0 25 END