HEADER HYDROLASE 13-DEC-12 4IF2 TITLE STRUCTURE OF THE PHOSPHOTRIESTERASE FROM MYCOBACTERIUM TUBERCULOSIS COMPND MOL_ID: 1; COMPND 2 MOLECULE: PHOSPHOTRIESTERASE HOMOLOGY PROTEIN; COMPND 3 CHAIN: A; COMPND 4 ENGINEERED: YES SOURCE MOL_ID: 1; SOURCE 2 ORGANISM_SCIENTIFIC: MYCOBACTERIUM TUBERCULOSIS; SOURCE 3 ORGANISM_TAXID: 1773; SOURCE 4 GENE: PHP, RV0230C, MT0240, MTCY08D5.26C; SOURCE 5 EXPRESSION_SYSTEM: ESCHERICHIA COLI; SOURCE 6 EXPRESSION_SYSTEM_TAXID: 562; SOURCE 7 EXPRESSION_SYSTEM_VECTOR_TYPE: PLASMID KEYWDS DOUBLE METAL IONS BINDING PROTEIN, ENZYMATIC ANTIDOTES FOR KEYWDS 2 ORGANOPHOSPHATES, HYDROLASE EXPDTA X-RAY DIFFRACTION AUTHOR L.ZHANG,X.LI,Z.H.RAO REVDAT 3 24-AUG-22 4IF2 1 JRNL REMARK LINK REVDAT 2 13-FEB-19 4IF2 1 JRNL LINK REVDAT 1 18-DEC-13 4IF2 0 JRNL AUTH L.ZHANG,H.WANG,X.LIU,W.ZHOU,Z.RAO JRNL TITL THE CRYSTAL STRUCTURE OF THE PHOSPHOTRIESTERASE FROM M. JRNL TITL 2 TUBERCULOSIS, ANOTHER MEMBER OF PHOSPHOTRIESTERASE-LIKE JRNL TITL 3 LACTONASE FAMILY. JRNL REF BIOCHEM.BIOPHYS.RES.COMMUN. V. 510 224 2019 JRNL REFN ESSN 1090-2104 JRNL PMID 30704759 JRNL DOI 10.1016/J.BBRC.2019.01.069 REMARK 2 REMARK 2 RESOLUTION. 2.27 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) : 2.27 REMARK 3 RESOLUTION RANGE LOW (ANGSTROMS) : 35.36 REMARK 3 MIN(FOBS/SIGMA_FOBS) : 1.900 REMARK 3 COMPLETENESS FOR RANGE (%) : 99.1 REMARK 3 NUMBER OF REFLECTIONS : 17750 REMARK 3 REMARK 3 FIT TO DATA USED IN REFINEMENT. REMARK 3 R VALUE (WORKING + TEST SET) : 0.181 REMARK 3 R VALUE (WORKING SET) : 0.179 REMARK 3 FREE R VALUE : 0.227 REMARK 3 FREE R VALUE TEST SET SIZE (%) : 5.100 REMARK 3 FREE R VALUE TEST SET COUNT : 906 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 35.3661 - 4.1232 0.99 2949 148 0.1851 0.2030 REMARK 3 2 4.1232 - 3.2735 1.00 2830 155 0.1559 0.2044 REMARK 3 3 3.2735 - 2.8599 1.00 2812 139 0.1717 0.2470 REMARK 3 4 2.8599 - 2.5985 0.99 2784 160 0.1808 0.2545 REMARK 3 5 2.5985 - 2.4123 0.99 2735 147 0.1935 0.2638 REMARK 3 6 2.4123 - 2.2701 0.98 2734 157 0.2133 0.2710 REMARK 3 REMARK 3 BULK SOLVENT MODELLING. REMARK 3 METHOD USED : FLAT BULK SOLVENT MODEL REMARK 3 SOLVENT RADIUS : 1.00 REMARK 3 SHRINKAGE RADIUS : 0.72 REMARK 3 K_SOL : 0.35 REMARK 3 B_SOL : 33.54 REMARK 3 REMARK 3 ERROR ESTIMATES. REMARK 3 COORDINATE ERROR (MAXIMUM-LIKELIHOOD BASED) : 0.440 REMARK 3 PHASE ERROR (DEGREES, MAXIMUM-LIKELIHOOD BASED) : 22.120 REMARK 3 REMARK 3 B VALUES. REMARK 3 FROM WILSON PLOT (A**2) : NULL REMARK 3 MEAN B VALUE (OVERALL, A**2) : 36.87 REMARK 3 OVERALL ANISOTROPIC B VALUE. REMARK 3 B11 (A**2) : -11.21450 REMARK 3 B22 (A**2) : 0.37530 REMARK 3 B33 (A**2) : 10.83910 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 2604 REMARK 3 ANGLE : 1.103 3545 REMARK 3 CHIRALITY : 0.076 395 REMARK 3 PLANARITY : 0.005 472 REMARK 3 DIHEDRAL : 14.679 954 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 4IF2 COMPLIES WITH FORMAT V. 3.30, 13-JUL-11 REMARK 100 REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY PDBJ ON 26-DEC-12. REMARK 100 THE DEPOSITION ID IS D_1000076671. REMARK 200 REMARK 200 EXPERIMENTAL DETAILS REMARK 200 EXPERIMENT TYPE : X-RAY DIFFRACTION REMARK 200 DATE OF DATA COLLECTION : 01-MAY-12 REMARK 200 TEMPERATURE (KELVIN) : 100 REMARK 200 PH : 7.0 REMARK 200 NUMBER OF CRYSTALS USED : 1 REMARK 200 REMARK 200 SYNCHROTRON (Y/N) : Y REMARK 200 RADIATION SOURCE : SSRF REMARK 200 BEAMLINE : BL17U REMARK 200 X-RAY GENERATOR MODEL : NULL REMARK 200 MONOCHROMATIC OR LAUE (M/L) : M REMARK 200 WAVELENGTH OR RANGE (A) : 1.005 REMARK 200 MONOCHROMATOR : NULL REMARK 200 OPTICS : NULL REMARK 200 REMARK 200 DETECTOR TYPE : CCD REMARK 200 DETECTOR MANUFACTURER : RAYONIX MX-225 REMARK 200 INTENSITY-INTEGRATION SOFTWARE : HKL-2000 REMARK 200 DATA SCALING SOFTWARE : HKL-2000 REMARK 200 REMARK 200 NUMBER OF UNIQUE REFLECTIONS : 128164 REMARK 200 RESOLUTION RANGE HIGH (A) : 2.270 REMARK 200 RESOLUTION RANGE LOW (A) : 50.000 REMARK 200 REJECTION CRITERIA (SIGMA(I)) : 1.000 REMARK 200 REMARK 200 OVERALL. REMARK 200 COMPLETENESS FOR RANGE (%) : 99.0 REMARK 200 DATA REDUNDANCY : NULL REMARK 200 R MERGE (I) : NULL 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: PHASES REMARK 200 STARTING MODEL: NULL REMARK 200 REMARK 200 REMARK: NULL REMARK 280 REMARK 280 CRYSTAL REMARK 280 SOLVENT CONTENT, VS (%): 53.14 REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 2.63 REMARK 280 REMARK 280 CRYSTALLIZATION CONDITIONS: 0.1M HEPES PH 7.0, 55% MPD, 150MM REMARK 280 NASCN, EVAPORATION, TEMPERATURE 293K REMARK 290 REMARK 290 CRYSTALLOGRAPHIC SYMMETRY REMARK 290 SYMMETRY OPERATORS FOR SPACE GROUP: C 2 2 21 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 -X,Y,-Z+1/2 REMARK 290 4555 X,-Y,-Z REMARK 290 5555 X+1/2,Y+1/2,Z REMARK 290 6555 -X+1/2,-Y+1/2,Z+1/2 REMARK 290 7555 -X+1/2,Y+1/2,-Z+1/2 REMARK 290 8555 X+1/2,-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 0.00000 REMARK 290 SMTRY3 2 0.000000 0.000000 1.000000 37.11500 REMARK 290 SMTRY1 3 -1.000000 0.000000 0.000000 0.00000 REMARK 290 SMTRY2 3 0.000000 1.000000 0.000000 0.00000 REMARK 290 SMTRY3 3 0.000000 0.000000 -1.000000 37.11500 REMARK 290 SMTRY1 4 1.000000 0.000000 0.000000 0.00000 REMARK 290 SMTRY2 4 0.000000 -1.000000 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 34.01600 REMARK 290 SMTRY2 5 0.000000 1.000000 0.000000 74.79800 REMARK 290 SMTRY3 5 0.000000 0.000000 1.000000 0.00000 REMARK 290 SMTRY1 6 -1.000000 0.000000 0.000000 34.01600 REMARK 290 SMTRY2 6 0.000000 -1.000000 0.000000 74.79800 REMARK 290 SMTRY3 6 0.000000 0.000000 1.000000 37.11500 REMARK 290 SMTRY1 7 -1.000000 0.000000 0.000000 34.01600 REMARK 290 SMTRY2 7 0.000000 1.000000 0.000000 74.79800 REMARK 290 SMTRY3 7 0.000000 0.000000 -1.000000 37.11500 REMARK 290 SMTRY1 8 1.000000 0.000000 0.000000 34.01600 REMARK 290 SMTRY2 8 0.000000 -1.000000 0.000000 74.79800 REMARK 290 SMTRY3 8 0.000000 0.000000 -1.000000 0.00000 REMARK 290 REMARK 290 REMARK: NULL REMARK 300 REMARK 300 BIOMOLECULE: 1, 2 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 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 REMARK 350 BIOMOLECULE: 2 REMARK 350 SOFTWARE DETERMINED QUATERNARY STRUCTURE: DIMERIC REMARK 350 SOFTWARE USED: PISA REMARK 350 TOTAL BURIED SURFACE AREA: 3980 ANGSTROM**2 REMARK 350 SURFACE AREA OF THE COMPLEX: 22870 ANGSTROM**2 REMARK 350 CHANGE IN SOLVENT FREE ENERGY: -175.0 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 -1.000000 0.000000 0.000000 68.03200 REMARK 350 BIOMT2 2 0.000000 1.000000 0.000000 0.00000 REMARK 350 BIOMT3 2 0.000000 0.000000 -1.000000 37.11500 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 GLN A 326 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 VAL A 25 -61.14 -107.54 REMARK 500 ASN A 101 -85.68 -145.53 REMARK 500 ASN A 101 -90.38 -140.15 REMARK 500 LEU A 116 -129.58 -87.44 REMARK 500 ASP A 117 -148.35 145.35 REMARK 500 ALA A 135 -125.12 41.16 REMARK 500 ASP A 149 -151.89 -126.13 REMARK 500 ASP A 292 -52.40 -127.03 REMARK 500 VAL A 312 -55.04 -123.43 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 ZN A 401 ZN REMARK 620 N RES CSSEQI ATOM REMARK 620 1 HIS A 24 NE2 REMARK 620 2 KCX A 145 OQ2 91.2 REMARK 620 3 ASP A 264 OD1 81.1 171.2 REMARK 620 N 1 2 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 145 OQ1 REMARK 620 2 HIS A 178 ND1 91.4 REMARK 620 3 HIS A 207 NE2 110.8 86.2 REMARK 620 4 HOH A 508 O 113.9 85.0 134.5 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 REMARK 800 SITE_IDENTIFIER: AC2 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE ZN A 402 DBREF 4IF2 A 1 326 UNP P96413 PHP_MYCTU 1 326 SEQRES 1 A 326 MET PRO GLU LEU ASN THR ALA ARG GLY PRO ILE ASP THR SEQRES 2 A 326 ALA ASP LEU GLY VAL THR LEU MET HIS GLU HIS VAL PHE SEQRES 3 A 326 ILE MET THR THR GLU ILE ALA GLN ASN TYR PRO GLU ALA SEQRES 4 A 326 TRP GLY ASP GLU ASP LYS ARG VAL ALA GLY ALA ILE ALA SEQRES 5 A 326 ARG LEU GLY GLU LEU LYS ALA ARG GLY VAL ASP THR ILE SEQRES 6 A 326 VAL ASP LEU THR VAL ILE GLY LEU GLY ARG TYR ILE PRO SEQRES 7 A 326 ARG ILE ALA ARG VAL ALA ALA ALA THR GLU LEU ASN ILE SEQRES 8 A 326 VAL VAL ALA THR GLY LEU TYR THR TYR ASN ASP VAL PRO SEQRES 9 A 326 PHE TYR PHE HIS TYR LEU GLY PRO GLY ALA GLN LEU ASP SEQRES 10 A 326 GLY PRO GLU ILE MET THR ASP MET PHE VAL ARG ASP ILE SEQRES 11 A 326 GLU HIS GLY ILE ALA ASP THR GLY ILE LYS ALA GLY ILE SEQRES 12 A 326 LEU KCX CYS ALA THR ASP GLU PRO GLY LEU THR PRO GLY SEQRES 13 A 326 VAL GLU ARG VAL LEU ARG ALA VAL ALA GLN ALA HIS LYS SEQRES 14 A 326 ARG THR GLY ALA PRO ILE SER THR HIS THR HIS ALA GLY SEQRES 15 A 326 LEU ARG ARG GLY LEU ASP GLN GLN ARG ILE PHE ALA GLU SEQRES 16 A 326 GLU GLY VAL ASP LEU SER ARG VAL VAL ILE GLY HIS CYS SEQRES 17 A 326 GLY ASP SER THR ASP VAL GLY TYR LEU GLU GLU LEU ILE SEQRES 18 A 326 ALA ALA GLY SER TYR LEU GLY MET ASP ARG PHE GLY VAL SEQRES 19 A 326 ASP VAL ILE SER PRO PHE GLN ASP ARG VAL ASN ILE VAL SEQRES 20 A 326 ALA ARG MET CYS GLU ARG GLY HIS ALA ASP LYS MET VAL SEQRES 21 A 326 LEU SER HIS ASP ALA CYS CYS TYR PHE ASP ALA LEU PRO SEQRES 22 A 326 GLU GLU LEU VAL PRO VAL ALA MET PRO ASN TRP HIS TYR SEQRES 23 A 326 LEU HIS ILE HIS ASN ASP VAL ILE PRO ALA LEU LYS GLN SEQRES 24 A 326 HIS GLY VAL THR ASP GLU GLN LEU HIS THR MET LEU VAL SEQRES 25 A 326 ASP ASN PRO ARG ARG ILE PHE GLU ARG GLN GLY GLY TYR SEQRES 26 A 326 GLN MODRES 4IF2 KCX A 145 LYS LYSINE NZ-CARBOXYLIC ACID HET KCX A 145 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 *75(H2 O) HELIX 1 1 ALA A 14 LEU A 16 5 3 HELIX 2 2 THR A 29 TYR A 36 1 8 HELIX 3 3 ASP A 42 ARG A 60 1 19 HELIX 4 4 TYR A 76 ALA A 85 1 10 HELIX 5 5 PRO A 104 HIS A 108 5 5 HELIX 6 6 ILE A 121 HIS A 132 1 12 HELIX 7 7 THR A 154 GLY A 172 1 19 HELIX 8 8 ARG A 184 GLU A 196 1 13 HELIX 9 9 ASP A 199 SER A 201 5 3 HELIX 10 10 HIS A 207 SER A 211 5 5 HELIX 11 11 ASP A 213 ALA A 223 1 11 HELIX 12 12 PRO A 239 ARG A 253 1 15 HELIX 13 13 HIS A 255 ASP A 257 5 3 HELIX 14 14 LEU A 276 MET A 281 1 6 HELIX 15 15 LEU A 287 ASP A 292 1 6 HELIX 16 16 ASP A 292 HIS A 300 1 9 HELIX 17 17 THR A 303 VAL A 312 1 10 HELIX 18 18 VAL A 312 ARG A 321 1 10 SHEET 1 A 2 GLU A 3 LEU A 4 0 SHEET 2 A 2 ILE A 11 ASP A 12 -1 O ILE A 11 N LEU A 4 SHEET 1 B 3 THR A 19 GLU A 23 0 SHEET 2 B 3 THR A 64 ASP A 67 1 O VAL A 66 N GLU A 23 SHEET 3 B 3 ASN A 90 VAL A 92 1 O VAL A 92 N ILE A 65 SHEET 1 C 2 PHE A 26 ILE A 27 0 SHEET 2 C 2 TYR A 268 PHE A 269 1 O TYR A 268 N ILE A 27 SHEET 1 D 6 ALA A 94 GLY A 96 0 SHEET 2 D 6 ILE A 143 THR A 148 1 O ILE A 143 N THR A 95 SHEET 3 D 6 ILE A 175 THR A 179 1 O SER A 176 N LEU A 144 SHEET 4 D 6 VAL A 203 ILE A 205 1 O VAL A 204 N ILE A 175 SHEET 5 D 6 TYR A 226 MET A 229 1 O GLY A 228 N ILE A 205 SHEET 6 D 6 MET A 259 LEU A 261 1 O VAL A 260 N MET A 229 LINK C LEU A 144 N KCX A 145 1555 1555 1.33 LINK C KCX A 145 N CYS A 146 1555 1555 1.33 LINK NE2 HIS A 24 ZN ZN A 401 1555 1555 2.05 LINK OQ2 KCX A 145 ZN ZN A 401 1555 1555 2.12 LINK OQ1 KCX A 145 ZN ZN A 402 1555 1555 2.24 LINK ND1 HIS A 178 ZN ZN A 402 1555 1555 2.24 LINK NE2 HIS A 207 ZN ZN A 402 1555 1555 2.27 LINK OD1 ASP A 264 ZN ZN A 401 1555 1555 2.23 LINK ZN ZN A 402 O HOH A 508 1555 1555 2.59 SITE 1 AC1 5 HIS A 22 HIS A 24 KCX A 145 ASP A 264 SITE 2 AC1 5 ZN A 402 SITE 1 AC2 6 KCX A 145 HIS A 178 HIS A 207 ARG A 231 SITE 2 AC2 6 ZN A 401 HOH A 508 CRYST1 68.032 149.596 74.230 90.00 90.00 90.00 C 2 2 21 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 0.014699 0.000000 0.000000 0.00000 SCALE2 0.000000 0.006685 0.000000 0.00000 SCALE3 0.000000 0.000000 0.013472 0.00000