HEADER HYDROLASE 03-MAY-05 1ZKL TITLE MULTIPLE DETERMINANTS FOR INHIBITOR SELECTIVITY OF CYCLIC NUCLEOTIDE TITLE 2 PHOSPHODIESTERASES COMPND MOL_ID: 1; COMPND 2 MOLECULE: HIGH-AFFINITY CAMP-SPECIFIC 3',5'-CYCLIC PHOSPHODIESTERASE COMPND 3 7A; COMPND 4 CHAIN: A; COMPND 5 FRAGMENT: CATALYTIC DOMAIN (130-482); COMPND 6 SYNONYM: HCP1, TM22; COMPND 7 EC: 3.1.4.17; COMPND 8 ENGINEERED: YES SOURCE MOL_ID: 1; SOURCE 2 ORGANISM_SCIENTIFIC: HOMO SAPIENS; SOURCE 3 ORGANISM_COMMON: HUMAN; SOURCE 4 ORGANISM_TAXID: 9606; SOURCE 5 GENE: PDE7A; SOURCE 6 EXPRESSION_SYSTEM: ESCHERICHIA COLI BL21; SOURCE 7 EXPRESSION_SYSTEM_TAXID: 511693; SOURCE 8 EXPRESSION_SYSTEM_STRAIN: BL21; SOURCE 9 EXPRESSION_SYSTEM_VECTOR_TYPE: PLASMID; SOURCE 10 EXPRESSION_SYSTEM_PLASMID: PET32A KEYWDS PDE, HYDROLASE EXPDTA X-RAY DIFFRACTION AUTHOR H.WANG,Y.LIU,Y.CHEN,H.ROBINSON,H.KE REVDAT 5 14-FEB-24 1ZKL 1 REMARK LINK REVDAT 4 24-FEB-09 1ZKL 1 VERSN REVDAT 3 13-SEP-05 1ZKL 1 JRNL REVDAT 2 09-AUG-05 1ZKL 1 JRNL REVDAT 1 05-JUL-05 1ZKL 0 JRNL AUTH H.WANG,Y.LIU,Y.CHEN,H.ROBINSON,H.KE JRNL TITL MULTIPLE ELEMENTS JOINTLY DETERMINE INHIBITOR SELECTIVITY OF JRNL TITL 2 CYCLIC NUCLEOTIDE PHOSPHODIESTERASES 4 AND 7 JRNL REF J.BIOL.CHEM. V. 280 30949 2005 JRNL REFN ISSN 0021-9258 JRNL PMID 15994308 JRNL DOI 10.1074/JBC.M504398200 REMARK 2 REMARK 2 RESOLUTION. 1.67 ANGSTROMS. REMARK 3 REMARK 3 REFINEMENT. REMARK 3 PROGRAM : CNS 1.0 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) : 1.67 REMARK 3 RESOLUTION RANGE LOW (ANGSTROMS) : 39.50 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) (%) : 96.6 REMARK 3 NUMBER OF REFLECTIONS : 55766 REMARK 3 REMARK 3 FIT TO DATA USED IN REFINEMENT. REMARK 3 CROSS-VALIDATION METHOD : NULL REMARK 3 FREE R VALUE TEST SET SELECTION : RANDOM REMARK 3 R VALUE (WORKING SET) : 0.194 REMARK 3 FREE R VALUE : 0.207 REMARK 3 FREE R VALUE TEST SET SIZE (%) : NULL REMARK 3 FREE R VALUE TEST SET COUNT : 5668 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 : 2584 REMARK 3 NUCLEIC ACID ATOMS : 0 REMARK 3 HETEROGEN ATOMS : 18 REMARK 3 SOLVENT ATOMS : 289 REMARK 3 REMARK 3 B VALUES. REMARK 3 FROM WILSON PLOT (A**2) : NULL REMARK 3 MEAN B VALUE (OVERALL, A**2) : 22.10 REMARK 3 OVERALL ANISOTROPIC B VALUE. REMARK 3 B11 (A**2) : NULL REMARK 3 B22 (A**2) : NULL REMARK 3 B33 (A**2) : NULL REMARK 3 B12 (A**2) : NULL REMARK 3 B13 (A**2) : NULL REMARK 3 B23 (A**2) : NULL 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) : 0.005 REMARK 3 BOND ANGLES (DEGREES) : 1.100 REMARK 3 DIHEDRAL ANGLES (DEGREES) : NULL REMARK 3 IMPROPER ANGLES (DEGREES) : NULL REMARK 3 REMARK 3 ISOTROPIC THERMAL MODEL : ISOTROPIC 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 : NULL 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 : NULL REMARK 3 TOPOLOGY FILE 1 : NULL REMARK 3 REMARK 3 OTHER REFINEMENT REMARKS: NULL REMARK 4 REMARK 4 1ZKL COMPLIES WITH FORMAT V. 3.30, 13-JUL-11 REMARK 100 REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY RCSB ON 06-MAY-05. REMARK 100 THE DEPOSITION ID IS D_1000032825. 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 : 7.5 REMARK 200 NUMBER OF CRYSTALS USED : 1 REMARK 200 REMARK 200 SYNCHROTRON (Y/N) : Y REMARK 200 RADIATION SOURCE : NSLS REMARK 200 BEAMLINE : X29A REMARK 200 X-RAY GENERATOR MODEL : NULL REMARK 200 MONOCHROMATIC OR LAUE (M/L) : M REMARK 200 WAVELENGTH OR RANGE (A) : 1 REMARK 200 MONOCHROMATOR : NULL REMARK 200 OPTICS : NULL REMARK 200 REMARK 200 DETECTOR TYPE : NULL REMARK 200 DETECTOR MANUFACTURER : NULL REMARK 200 INTENSITY-INTEGRATION SOFTWARE : DENZO REMARK 200 DATA SCALING SOFTWARE : SCALEPACK REMARK 200 REMARK 200 NUMBER OF UNIQUE REFLECTIONS : 57579 REMARK 200 RESOLUTION RANGE HIGH (A) : 1.670 REMARK 200 RESOLUTION RANGE LOW (A) : 39.500 REMARK 200 REJECTION CRITERIA (SIGMA(I)) : 0.000 REMARK 200 REMARK 200 OVERALL. REMARK 200 COMPLETENESS FOR RANGE (%) : 99.6 REMARK 200 DATA REDUNDANCY : 7.100 REMARK 200 R MERGE (I) : NULL REMARK 200 R SYM (I) : 0.07100 REMARK 200 FOR THE DATA SET : 13.2000 REMARK 200 REMARK 200 IN THE HIGHEST RESOLUTION SHELL. REMARK 200 HIGHEST RESOLUTION SHELL, RANGE HIGH (A) : 1.67 REMARK 200 HIGHEST RESOLUTION SHELL, RANGE LOW (A) : 1.73 REMARK 200 COMPLETENESS FOR SHELL (%) : 96.2 REMARK 200 DATA REDUNDANCY IN SHELL : NULL REMARK 200 R MERGE FOR SHELL (I) : NULL REMARK 200 R SYM FOR SHELL (I) : 0.48000 REMARK 200 FOR SHELL : 2.500 REMARK 200 REMARK 200 DIFFRACTION PROTOCOL: SINGLE WAVELENGTH REMARK 200 METHOD USED TO DETERMINE THE STRUCTURE: MOLECULAR REPLACEMENT REMARK 200 SOFTWARE USED: AMORE REMARK 200 STARTING MODEL: NULL REMARK 200 REMARK 200 REMARK: NULL REMARK 280 REMARK 280 CRYSTAL REMARK 280 SOLVENT CONTENT, VS (%): 40.00 REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 1.70 REMARK 280 REMARK 280 CRYSTALLIZATION CONDITIONS: 0.6 - 0.8 M (NH4)2SO4, 2.5 - 5 MM REMARK 280 MERCAPTOETHANOL, 10 MM EDTA, 0.1 M TRIS HCL, PH 7.5, VAPOR REMARK 280 DIFFUSION, HANGING DROP, TEMPERATURE 277K 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 21.43000 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 42.86000 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 42.86000 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 21.43000 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 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 SER A 130 REMARK 465 ASN A 131 REMARK 465 SER A 132 REMARK 465 LEU A 133 REMARK 465 ASN A 134 REMARK 465 ILE A 135 REMARK 465 LEU A 136 REMARK 465 ASP A 137 REMARK 465 ASP A 138 REMARK 465 ARG A 456 REMARK 465 GLU A 457 REMARK 465 GLN A 458 REMARK 465 SER A 459 REMARK 465 SER A 460 REMARK 465 SER A 461 REMARK 465 GLU A 462 REMARK 465 ASP A 463 REMARK 465 THR A 464 REMARK 465 ASP A 465 REMARK 465 ALA A 466 REMARK 465 ALA A 467 REMARK 465 PHE A 468 REMARK 465 GLU A 469 REMARK 465 LEU A 470 REMARK 465 ASN A 471 REMARK 465 SER A 472 REMARK 465 GLN A 473 REMARK 465 LEU A 474 REMARK 465 LEU A 475 REMARK 465 PRO A 476 REMARK 465 GLN A 477 REMARK 465 GLU A 478 REMARK 465 ASN A 479 REMARK 465 ARG A 480 REMARK 465 LEU A 481 REMARK 465 SER A 482 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 ASN A 277 23.47 49.97 REMARK 500 LEU A 454 34.07 -74.91 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 501 ZN REMARK 620 N RES CSSEQI ATOM REMARK 620 1 HIS A 216 NE2 REMARK 620 2 HIS A 252 NE2 95.4 REMARK 620 3 ASP A 253 OD2 90.2 86.9 REMARK 620 4 ASP A 362 OD1 95.6 88.0 172.6 REMARK 620 5 HOH A 504 O 87.3 176.3 95.5 89.3 REMARK 620 6 HOH A 509 O 163.7 100.7 93.0 82.7 76.4 REMARK 620 N 1 2 3 4 5 REMARK 620 REMARK 620 COORDINATION ANGLES FOR: M RES CSSEQI METAL REMARK 620 MG A 502 MG REMARK 620 N RES CSSEQI ATOM REMARK 620 1 ASP A 253 OD1 REMARK 620 2 HOH A 505 O 99.9 REMARK 620 3 HOH A 506 O 91.6 84.6 REMARK 620 4 HOH A 507 O 170.3 88.2 83.8 REMARK 620 5 HOH A 508 O 85.8 174.3 94.5 86.1 REMARK 620 6 HOH A 509 O 96.9 85.8 168.2 88.9 94.3 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 ZN A 501 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC2 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE MG A 502 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC3 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE IBM A 503 DBREF 1ZKL A 130 482 UNP Q13946 PDE7A_HUMAN 130 482 SEQRES 1 A 353 SER ASN SER LEU ASN ILE LEU ASP ASP ASP TYR ASN GLY SEQRES 2 A 353 GLN ALA LYS CYS MET LEU GLU LYS VAL GLY ASN TRP ASN SEQRES 3 A 353 PHE ASP ILE PHE LEU PHE ASP ARG LEU THR ASN GLY ASN SEQRES 4 A 353 SER LEU VAL SER LEU THR PHE HIS LEU PHE SER LEU HIS SEQRES 5 A 353 GLY LEU ILE GLU TYR PHE HIS LEU ASP MET MET LYS LEU SEQRES 6 A 353 ARG ARG PHE LEU VAL MET ILE GLN GLU ASP TYR HIS SER SEQRES 7 A 353 GLN ASN PRO TYR HIS ASN ALA VAL HIS ALA ALA ASP VAL SEQRES 8 A 353 THR GLN ALA MET HIS CYS TYR LEU LYS GLU PRO LYS LEU SEQRES 9 A 353 ALA ASN SER VAL THR PRO TRP ASP ILE LEU LEU SER LEU SEQRES 10 A 353 ILE ALA ALA ALA THR HIS ASP LEU ASP HIS PRO GLY VAL SEQRES 11 A 353 ASN GLN PRO PHE LEU ILE LYS THR ASN HIS TYR LEU ALA SEQRES 12 A 353 THR LEU TYR LYS ASN THR SER VAL LEU GLU ASN HIS HIS SEQRES 13 A 353 TRP ARG SER ALA VAL GLY LEU LEU ARG GLU SER GLY LEU SEQRES 14 A 353 PHE SER HIS LEU PRO LEU GLU SER ARG GLN GLN MET GLU SEQRES 15 A 353 THR GLN ILE GLY ALA LEU ILE LEU ALA THR ASP ILE SER SEQRES 16 A 353 ARG GLN ASN GLU TYR LEU SER LEU PHE ARG SER HIS LEU SEQRES 17 A 353 ASP ARG GLY ASP LEU CYS LEU GLU ASP THR ARG HIS ARG SEQRES 18 A 353 HIS LEU VAL LEU GLN MET ALA LEU LYS CYS ALA ASP ILE SEQRES 19 A 353 CYS ASN PRO CYS ARG THR TRP GLU LEU SER LYS GLN TRP SEQRES 20 A 353 SER GLU LYS VAL THR GLU GLU PHE PHE HIS GLN GLY ASP SEQRES 21 A 353 ILE GLU LYS LYS TYR HIS LEU GLY VAL SER PRO LEU CYS SEQRES 22 A 353 ASP ARG HIS THR GLU SER ILE ALA ASN ILE GLN ILE GLY SEQRES 23 A 353 PHE MET THR TYR LEU VAL GLU PRO LEU PHE THR GLU TRP SEQRES 24 A 353 ALA ARG PHE SER ASN THR ARG LEU SER GLN THR MET LEU SEQRES 25 A 353 GLY HIS VAL GLY LEU ASN LYS ALA SER TRP LYS GLY LEU SEQRES 26 A 353 GLN ARG GLU GLN SER SER SER GLU ASP THR ASP ALA ALA SEQRES 27 A 353 PHE GLU LEU ASN SER GLN LEU LEU PRO GLN GLU ASN ARG SEQRES 28 A 353 LEU SER HET ZN A 501 1 HET MG A 502 1 HET IBM A 503 16 HETNAM ZN ZINC ION HETNAM MG MAGNESIUM ION HETNAM IBM 3-ISOBUTYL-1-METHYLXANTHINE FORMUL 2 ZN ZN 2+ FORMUL 3 MG MG 2+ FORMUL 4 IBM C10 H14 N4 O2 FORMUL 5 HOH *289(H2 O) HELIX 1 1 ASP A 139 GLU A 149 1 11 HELIX 2 2 ASP A 157 THR A 165 1 9 HELIX 3 3 ASN A 168 HIS A 181 1 14 HELIX 4 4 GLY A 182 PHE A 187 1 6 HELIX 5 5 ASP A 190 ASP A 204 1 15 HELIX 6 6 ASN A 213 LYS A 229 1 17 HELIX 7 7 GLU A 230 ASN A 235 1 6 HELIX 8 8 THR A 238 HIS A 252 1 15 HELIX 9 9 ASN A 260 THR A 267 1 8 HELIX 10 10 HIS A 269 TYR A 275 1 7 HELIX 11 11 SER A 279 GLY A 297 1 19 HELIX 12 12 PRO A 303 ALA A 320 1 18 HELIX 13 13 THR A 321 SER A 324 5 4 HELIX 14 14 ARG A 325 GLY A 340 1 16 HELIX 15 15 ASP A 346 ILE A 363 1 18 HELIX 16 16 CYS A 364 ARG A 368 5 5 HELIX 17 17 THR A 369 TYR A 394 1 26 HELIX 18 18 SER A 408 LEU A 420 1 13 HELIX 19 19 LEU A 420 SER A 432 1 13 HELIX 20 20 THR A 434 LEU A 454 1 21 LINK NE2 HIS A 216 ZN ZN A 501 1555 1555 2.11 LINK NE2 HIS A 252 ZN ZN A 501 1555 1555 2.11 LINK OD2 ASP A 253 ZN ZN A 501 1555 1555 2.05 LINK OD1 ASP A 253 MG MG A 502 1555 1555 2.09 LINK OD1 ASP A 362 ZN ZN A 501 1555 1555 2.06 LINK ZN ZN A 501 O HOH A 504 1555 1555 2.33 LINK ZN ZN A 501 O HOH A 509 1555 1555 2.22 LINK MG MG A 502 O HOH A 505 1555 1555 2.24 LINK MG MG A 502 O HOH A 506 1555 1555 2.21 LINK MG MG A 502 O HOH A 507 1555 1555 2.23 LINK MG MG A 502 O HOH A 508 1555 1555 2.20 LINK MG MG A 502 O HOH A 509 1555 1555 2.22 SITE 1 AC1 6 HIS A 216 HIS A 252 ASP A 253 ASP A 362 SITE 2 AC1 6 HOH A 504 HOH A 509 SITE 1 AC2 6 ASP A 253 HOH A 505 HOH A 506 HOH A 507 SITE 2 AC2 6 HOH A 508 HOH A 509 SITE 1 AC3 9 TYR A 211 VAL A 380 PHE A 384 ILE A 412 SITE 2 AC3 9 GLN A 413 PHE A 416 HOH A 542 HOH A 552 SITE 3 AC3 9 HOH A 573 CRYST1 115.751 115.751 64.290 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 0.008639 0.004988 0.000000 0.00000 SCALE2 0.000000 0.009976 0.000000 0.00000 SCALE3 0.000000 0.000000 0.015555 0.00000