HEADER HYDROLASE 04-MAR-05 1Z1L TITLE THE CRYSTAL STRUCTURE OF THE PHOSPHODIESTERASE 2A CATALYTIC DOMAIN COMPND MOL_ID: 1; COMPND 2 MOLECULE: CGMP-DEPENDENT 3',5'-CYCLIC PHOSPHODIESTERASE; COMPND 3 CHAIN: A; COMPND 4 FRAGMENT: CATALYTIC DOMAIN, RESIDUES 578-919; COMPND 5 SYNONYM: CYCLIC GMP STIMULATED PHOSPHODIESTERASE, CGS-PDE, CGSPDE; COMPND 6 EC: 3.1.4.17; COMPND 7 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: PDE2A; SOURCE 6 EXPRESSION_SYSTEM: SPODOPTERA FRUGIPERDA; SOURCE 7 EXPRESSION_SYSTEM_COMMON: FALL ARMYWORM; SOURCE 8 EXPRESSION_SYSTEM_TAXID: 7108; SOURCE 9 EXPRESSION_SYSTEM_VECTOR_TYPE: BACULOVIRUS KEYWDS PDE 2A, PHOSPHODIESTERASE, HYDROLASE EXPDTA X-RAY DIFFRACTION AUTHOR Y.H.DING,D.KOHLS,C.LOW REVDAT 3 23-AUG-23 1Z1L 1 REMARK SEQADV LINK REVDAT 2 24-FEB-09 1Z1L 1 VERSN REVDAT 1 21-JUN-05 1Z1L 0 JRNL AUTH A.IFFLAND,D.KOHLS,S.LOW,J.LUAN,Y.ZHANG,M.KOTHE,Q.CAO, JRNL AUTH 2 A.V.KAMATH,Y.H.DING,T.ELLENBERGER JRNL TITL STRUCTURAL DETERMINANTS FOR INHIBITOR SPECIFICITY AND JRNL TITL 2 SELECTIVITY IN PDE2A USING THE WHEAT GERM IN VITRO JRNL TITL 3 TRANSLATION SYSTEM. JRNL REF BIOCHEMISTRY V. 44 8312 2005 JRNL REFN ISSN 0006-2960 JRNL PMID 15938621 JRNL DOI 10.1021/BI047313H REMARK 2 REMARK 2 RESOLUTION. 1.70 ANGSTROMS. REMARK 3 REMARK 3 REFINEMENT. REMARK 3 PROGRAM : CNX REMARK 3 AUTHORS : BRUNGER,ADAMS,CLORE,DELANO,GROS,GROSSE- REMARK 3 : KUNSTLEVE,JIANG,KUSZEWSKI,NILGES,PANNU, REMARK 3 : READ,RICE,SIMONSON,WARREN,ACCELRYS REMARK 3 : SOFTWARE INC.(BADGER,BERARD,KUMAR,SZALMA, REMARK 3 : YIP,DZAKULA) REMARK 3 REMARK 3 DATA USED IN REFINEMENT. REMARK 3 RESOLUTION RANGE HIGH (ANGSTROMS) : 1.70 REMARK 3 RESOLUTION RANGE LOW (ANGSTROMS) : 19.98 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) (%) : NULL REMARK 3 NUMBER OF REFLECTIONS : 37389 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 + TEST SET) : 0.209 REMARK 3 R VALUE (WORKING SET) : 0.207 REMARK 3 FREE R VALUE : 0.237 REMARK 3 FREE R VALUE TEST SET SIZE (%) : NULL REMARK 3 FREE R VALUE TEST SET COUNT : 3413 REMARK 3 ESTIMATED ERROR OF FREE R VALUE : NULL REMARK 3 REMARK 3 FIT/AGREEMENT OF MODEL WITH ALL DATA. REMARK 3 R VALUE (WORKING + TEST SET, NO CUTOFF) : NULL REMARK 3 R VALUE (WORKING SET, NO CUTOFF) : NULL REMARK 3 FREE R VALUE (NO CUTOFF) : NULL REMARK 3 FREE R VALUE TEST SET SIZE (%, NO CUTOFF) : NULL REMARK 3 FREE R VALUE TEST SET COUNT (NO CUTOFF) : NULL REMARK 3 ESTIMATED ERROR OF FREE R VALUE (NO CUTOFF) : NULL REMARK 3 TOTAL NUMBER OF REFLECTIONS (NO CUTOFF) : 41828 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 : 2712 REMARK 3 NUCLEIC ACID ATOMS : 0 REMARK 3 HETEROGEN ATOMS : 7 REMARK 3 SOLVENT ATOMS : 272 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) : 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) : 0.004 REMARK 3 BOND ANGLES (DEGREES) : 1.142 REMARK 3 DIHEDRAL ANGLES (DEGREES) : NULL REMARK 3 IMPROPER ANGLES (DEGREES) : NULL REMARK 3 REMARK 3 ISOTROPIC THERMAL MODEL : NULL 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 1Z1L COMPLIES WITH FORMAT V. 3.30, 13-JUL-11 REMARK 100 REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY RCSB ON 07-MAR-05. REMARK 100 THE DEPOSITION ID IS D_1000032182. REMARK 200 REMARK 200 EXPERIMENTAL DETAILS REMARK 200 EXPERIMENT TYPE : X-RAY DIFFRACTION REMARK 200 DATE OF DATA COLLECTION : 15-JUN-02 REMARK 200 TEMPERATURE (KELVIN) : NULL 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 : X25 REMARK 200 X-RAY GENERATOR MODEL : NULL REMARK 200 MONOCHROMATIC OR LAUE (M/L) : M REMARK 200 WAVELENGTH OR RANGE (A) : 1.0070 REMARK 200 MONOCHROMATOR : NULL REMARK 200 OPTICS : NULL REMARK 200 REMARK 200 DETECTOR TYPE : CCD REMARK 200 DETECTOR MANUFACTURER : CUSTOM-MADE REMARK 200 INTENSITY-INTEGRATION SOFTWARE : HKL-2000 REMARK 200 DATA SCALING SOFTWARE : SCALEPACK REMARK 200 REMARK 200 NUMBER OF UNIQUE REFLECTIONS : 39346 REMARK 200 RESOLUTION RANGE HIGH (A) : 1.700 REMARK 200 RESOLUTION RANGE LOW (A) : 20.000 REMARK 200 REJECTION CRITERIA (SIGMA(I)) : NULL REMARK 200 REMARK 200 OVERALL. REMARK 200 COMPLETENESS FOR RANGE (%) : NULL 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: EPMR REMARK 200 STARTING MODEL: PDB ENTRY 1F0J REMARK 200 REMARK 200 REMARK: NULL REMARK 280 REMARK 280 CRYSTAL REMARK 280 SOLVENT CONTENT, VS (%): 47.35 REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 2.34 REMARK 280 REMARK 280 CRYSTALLIZATION CONDITIONS: TRIS HCL, MAGNESIUM CHLORIDE, PEG REMARK 280 8000, PH 8.5, VAPOR DIFFUSION, HANGING DROP, TEMPERATURE 295K 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 40.79900 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 40.79900 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 45.01650 REMARK 290 SMTRY2 5 0.000000 1.000000 0.000000 51.27450 REMARK 290 SMTRY3 5 0.000000 0.000000 1.000000 0.00000 REMARK 290 SMTRY1 6 -1.000000 0.000000 0.000000 45.01650 REMARK 290 SMTRY2 6 0.000000 -1.000000 0.000000 51.27450 REMARK 290 SMTRY3 6 0.000000 0.000000 1.000000 40.79900 REMARK 290 SMTRY1 7 -1.000000 0.000000 0.000000 45.01650 REMARK 290 SMTRY2 7 0.000000 1.000000 0.000000 51.27450 REMARK 290 SMTRY3 7 0.000000 0.000000 -1.000000 40.79900 REMARK 290 SMTRY1 8 1.000000 0.000000 0.000000 45.01650 REMARK 290 SMTRY2 8 0.000000 -1.000000 0.000000 51.27450 REMARK 290 SMTRY3 8 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: 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 MET A 575 REMARK 465 HIS A 900 REMARK 465 LYS A 901 REMARK 465 LEU A 916 REMARK 465 ASP A 917 REMARK 465 GLU A 918 REMARK 465 GLU A 919 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 HIS A 576 CG ND1 CD2 CE1 NE2 REMARK 470 LYS A 584 CG CD CE NZ REMARK 470 ARG A 790 CG CD NE CZ NH1 NH2 REMARK 470 LYS A 817 CG CD CE NZ REMARK 470 ARG A 843 CG CD NE CZ NH1 NH2 REMARK 470 GLU A 846 CG CD OE1 OE2 REMARK 470 LYS A 897 CG CD CE NZ REMARK 470 SER A 899 OG REMARK 470 PHE A 902 CG CD1 CD2 CE1 CE2 CZ REMARK 470 THR A 903 OG1 CG2 REMARK 470 ILE A 904 CG1 CG2 CD1 REMARK 470 SER A 909 OG REMARK 470 ASP A 914 CG OD1 OD2 REMARK 480 REMARK 480 ZERO OCCUPANCY ATOM REMARK 480 THE FOLLOWING RESIDUES HAVE ATOMS MODELED WITH ZERO REMARK 480 OCCUPANCY. THE LOCATION AND PROPERTIES OF THESE ATOMS REMARK 480 MAY NOT BE RELIABLE. (M=MODEL NUMBER; RES=RESIDUE NAME; REMARK 480 C=CHAIN IDENTIFIER; SSEQ=SEQUENCE NUMBER; I=INSERTION CODE): REMARK 480 M RES C SSEQI ATOMS REMARK 480 LYS A 752 CD CE NZ REMARK 480 LYS A 793 CD CE NZ REMARK 480 GLN A 794 CD OE1 NE2 REMARK 480 ARG A 797 CD NE CZ NH1 NH2 REMARK 480 ILE A 826 CD1 REMARK 480 ARG A 905 NE CZ NH1 NH2 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 LYS A 814 -156.61 -94.87 REMARK 500 ILE A 866 -63.30 -121.44 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 MG A4062 MG REMARK 620 N RES CSSEQI ATOM REMARK 620 1 HOH A 237 O REMARK 620 2 HOH A 238 O 173.5 REMARK 620 3 HOH A 239 O 86.4 96.2 REMARK 620 4 HOH A 240 O 77.7 96.6 83.2 REMARK 620 5 ASP A 697 OD1 88.2 98.1 83.0 160.8 REMARK 620 6 PO4 A2693 O4 98.0 79.0 173.9 93.5 101.4 REMARK 620 N 1 2 3 4 5 REMARK 620 REMARK 620 COORDINATION ANGLES FOR: M RES CSSEQI METAL REMARK 620 ZN A3412 ZN REMARK 620 N RES CSSEQI ATOM REMARK 620 1 HOH A 238 O REMARK 620 2 HIS A 660 NE2 166.1 REMARK 620 3 HIS A 696 NE2 93.2 99.4 REMARK 620 4 ASP A 697 OD2 96.1 90.7 86.3 REMARK 620 5 ASP A 808 OD1 85.5 89.3 86.7 173.0 REMARK 620 6 PO4 A2693 O3 75.8 91.4 168.8 96.3 90.8 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 3412 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC2 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE MG A 4062 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC3 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE PO4 A 2693 DBREF 1Z1L A 578 919 UNP O00408 PDE2A_HUMAN 578 919 SEQADV 1Z1L MET A 575 UNP O00408 INITIATING METHIONINE SEQADV 1Z1L HIS A 576 UNP O00408 CLONING ARTIFACT SEQADV 1Z1L ALA A 577 UNP O00408 CLONING ARTIFACT SEQRES 1 A 345 MET HIS ALA SER ASP ASP GLU TYR THR LYS LEU LEU HIS SEQRES 2 A 345 ASP GLY ILE GLN PRO VAL ALA ALA ILE ASP SER ASN PHE SEQRES 3 A 345 ALA SER PHE THR TYR THR PRO ARG SER LEU PRO GLU ASP SEQRES 4 A 345 ASP THR SER MET ALA ILE LEU SER MET LEU GLN ASP MET SEQRES 5 A 345 ASN PHE ILE ASN ASN TYR LYS ILE ASP CYS PRO THR LEU SEQRES 6 A 345 ALA ARG PHE CYS LEU MET VAL LYS LYS GLY TYR ARG ASP SEQRES 7 A 345 PRO PRO TYR HIS ASN TRP MET HIS ALA PHE SER VAL SER SEQRES 8 A 345 HIS PHE CYS TYR LEU LEU TYR LYS ASN LEU GLU LEU THR SEQRES 9 A 345 ASN TYR LEU GLU ASP ILE GLU ILE PHE ALA LEU PHE ILE SEQRES 10 A 345 SER CYS MET CYS HIS ASP LEU ASP HIS ARG GLY THR ASN SEQRES 11 A 345 ASN SER PHE GLN VAL ALA SER LYS SER VAL LEU ALA ALA SEQRES 12 A 345 LEU TYR SER SER GLU GLY SER VAL MET GLU ARG HIS HIS SEQRES 13 A 345 PHE ALA GLN ALA ILE ALA ILE LEU ASN THR HIS GLY CYS SEQRES 14 A 345 ASN ILE PHE ASP HIS PHE SER ARG LYS ASP TYR GLN ARG SEQRES 15 A 345 MET LEU ASP LEU MET ARG ASP ILE ILE LEU ALA THR ASP SEQRES 16 A 345 LEU ALA HIS HIS LEU ARG ILE PHE LYS ASP LEU GLN LYS SEQRES 17 A 345 MET ALA GLU VAL GLY TYR ASP ARG ASN ASN LYS GLN HIS SEQRES 18 A 345 HIS ARG LEU LEU LEU CYS LEU LEU MET THR SER CYS ASP SEQRES 19 A 345 LEU SER ASP GLN THR LYS GLY TRP LYS THR THR ARG LYS SEQRES 20 A 345 ILE ALA GLU LEU ILE TYR LYS GLU PHE PHE SER GLN GLY SEQRES 21 A 345 ASP LEU GLU LYS ALA MET GLY ASN ARG PRO MET GLU MET SEQRES 22 A 345 MET ASP ARG GLU LYS ALA TYR ILE PRO GLU LEU GLN ILE SEQRES 23 A 345 SER PHE MET GLU HIS ILE ALA MET PRO ILE TYR LYS LEU SEQRES 24 A 345 LEU GLN ASP LEU PHE PRO LYS ALA ALA GLU LEU TYR GLU SEQRES 25 A 345 ARG VAL ALA SER ASN ARG GLU HIS TRP THR LYS VAL SER SEQRES 26 A 345 HIS LYS PHE THR ILE ARG GLY LEU PRO SER ASN ASN SER SEQRES 27 A 345 LEU ASP PHE LEU ASP GLU GLU HET ZN A3412 1 HET MG A4062 1 HET PO4 A2693 5 HETNAM ZN ZINC ION HETNAM MG MAGNESIUM ION HETNAM PO4 PHOSPHATE ION FORMUL 2 ZN ZN 2+ FORMUL 3 MG MG 2+ FORMUL 4 PO4 O4 P 3- FORMUL 5 HOH *272(H2 O) HELIX 1 1 ASP A 579 LEU A 586 1 8 HELIX 2 2 PRO A 592 ILE A 596 5 5 HELIX 3 3 THR A 606 LEU A 610 5 5 HELIX 4 4 PRO A 611 ASP A 613 5 3 HELIX 5 5 ASP A 614 MET A 626 1 13 HELIX 6 6 ASN A 627 TYR A 632 1 6 HELIX 7 7 ASP A 635 GLY A 649 1 15 HELIX 8 8 ASN A 657 GLU A 676 1 20 HELIX 9 9 LEU A 677 TYR A 680 5 4 HELIX 10 10 GLU A 682 HIS A 696 1 15 HELIX 11 11 ASN A 704 SER A 711 1 8 HELIX 12 12 SER A 713 SER A 720 1 8 HELIX 13 13 SER A 721 GLY A 723 5 3 HELIX 14 14 SER A 724 ASN A 739 1 16 HELIX 15 15 SER A 750 ALA A 767 1 18 HELIX 16 16 ASP A 769 GLY A 787 1 19 HELIX 17 17 ASN A 792 LEU A 809 1 18 HELIX 18 18 SER A 810 LYS A 814 5 5 HELIX 19 19 GLY A 815 MET A 840 1 26 HELIX 20 20 MET A 845 ASP A 849 5 5 HELIX 21 21 TYR A 854 ILE A 866 1 13 HELIX 22 22 ILE A 866 PHE A 878 1 13 HELIX 23 23 ALA A 881 LYS A 897 1 17 LINK O HOH A 237 MG MG A4062 1555 1555 2.44 LINK O HOH A 238 ZN ZN A3412 1555 1555 2.22 LINK O HOH A 238 MG MG A4062 1555 1555 2.27 LINK O HOH A 239 MG MG A4062 1555 1555 2.28 LINK O HOH A 240 MG MG A4062 1555 1555 2.46 LINK NE2 HIS A 660 ZN ZN A3412 1555 1555 2.24 LINK NE2 HIS A 696 ZN ZN A3412 1555 1555 2.14 LINK OD2 ASP A 697 ZN ZN A3412 1555 1555 2.16 LINK OD1 ASP A 697 MG MG A4062 1555 1555 2.30 LINK OD1 ASP A 808 ZN ZN A3412 1555 1555 2.25 LINK O3 PO4 A2693 ZN ZN A3412 1555 1555 2.33 LINK O4 PO4 A2693 MG MG A4062 1555 1555 2.40 SITE 1 AC1 6 HOH A 238 HIS A 660 HIS A 696 ASP A 697 SITE 2 AC1 6 ASP A 808 PO4 A2693 SITE 1 AC2 6 HOH A 237 HOH A 238 HOH A 239 HOH A 240 SITE 2 AC2 6 ASP A 697 PO4 A2693 SITE 1 AC3 10 HOH A 4 HOH A 87 HOH A 193 HOH A 238 SITE 2 AC3 10 HIS A 656 HIS A 660 ASP A 697 ASP A 808 SITE 3 AC3 10 ZN A3412 MG A4062 CRYST1 90.033 102.549 81.598 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 0.011107 0.000000 0.000000 0.00000 SCALE2 0.000000 0.009751 0.000000 0.00000 SCALE3 0.000000 0.000000 0.012255 0.00000