PDB Short entry for 2HD1 HEADER HYDROLASE 19-JUN-06 2HD1 TITLE CRYSTAL STRUCTURE OF PDE9 IN COMPLEX WITH IBMX COMPND MOL_ID: 1; COMPND 2 MOLECULE: PHOSPHODIESTERASE 9A; COMPND 3 CHAIN: A, B; COMPND 4 FRAGMENT: CATALYTIC DOMAIN (RESIDUES 181-506); COMPND 5 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: PDE; 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: PET15B KEYWDS CGMP, PDE9, IBMX, HYDROLASE EXPDTA X-RAY DIFFRACTION AUTHOR Q.HUAI,H.WANG,W.ZHANG,R.W.COLMAN,H.ROBINSON,H.KE REVDAT 4 03-APR-24 2HD1 1 REMARK REVDAT 3 14-FEB-24 2HD1 1 REMARK LINK REVDAT 2 24-FEB-09 2HD1 1 VERSN REVDAT 1 27-JUN-06 2HD1 0 SPRSDE 27-JUN-06 2HD1 1TBM JRNL AUTH Q.HUAI,H.WANG,W.ZHANG,R.W.COLMAN,H.ROBINSON,H.KE JRNL TITL CRYSTAL STRUCTURE OF PHOSPHODIESTERASE 9 SHOWS ORIENTATION JRNL TITL 2 VARIATION OF INHIBITOR IBMX BINDING JRNL REF PROC.NATL.ACAD.SCI.USA V. 101 9624 2004 JRNL REFN ISSN 0027-8424 JRNL PMID 15210993 JRNL DOI 10.1073/PNAS.0401120101 REMARK 2 REMARK 2 RESOLUTION. 2.23 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) : 2.23 REMARK 3 RESOLUTION RANGE LOW (ANGSTROMS) : 30.00 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 : 67397 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) : 0.215 REMARK 3 FREE R VALUE : 0.231 REMARK 3 FREE R VALUE TEST SET SIZE (%) : NULL REMARK 3 FREE R VALUE TEST SET COUNT : NULL 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 : 5390 REMARK 3 NUCLEIC ACID ATOMS : 0 REMARK 3 HETEROGEN ATOMS : 36 REMARK 3 SOLVENT ATOMS : 195 REMARK 3 REMARK 3 B VALUES. REMARK 3 FROM WILSON PLOT (A**2) : NULL REMARK 3 MEAN B VALUE (OVERALL, A**2) : 35.80 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) : 0.006 REMARK 3 BOND ANGLES (DEGREES) : 1.200 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 2HD1 COMPLIES WITH FORMAT V. 3.30, 13-JUL-11 REMARK 100 REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY RCSB ON 20-JUN-06. REMARK 100 THE DEPOSITION ID IS D_1000038212. 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 : X12C REMARK 200 X-RAY GENERATOR MODEL : NULL REMARK 200 MONOCHROMATIC OR LAUE (M/L) : M REMARK 200 WAVELENGTH OR RANGE (A) : 1.1 REMARK 200 MONOCHROMATOR : NULL 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 : 70925 REMARK 200 RESOLUTION RANGE HIGH (A) : 2.230 REMARK 200 RESOLUTION RANGE LOW (A) : 30.000 REMARK 200 REJECTION CRITERIA (SIGMA(I)) : 0.000 REMARK 200 REMARK 200 OVERALL. REMARK 200 COMPLETENESS FOR RANGE (%) : NULL REMARK 200 DATA REDUNDANCY : 6.700 REMARK 200 R MERGE (I) : 0.07200 REMARK 200 R SYM (I) : NULL REMARK 200 <I/SIGMA(I)> FOR THE DATA SET : 27.8000 REMARK 200 REMARK 200 IN THE HIGHEST RESOLUTION SHELL. REMARK 200 HIGHEST RESOLUTION SHELL, RANGE HIGH (A) : 2.23 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) : 0.48900 REMARK 200 R SYM FOR SHELL (I) : NULL REMARK 200 <I/SIGMA(I)> FOR SHELL : 3.000 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: PDE4 REMARK 200 REMARK 200 REMARK: NULL REMARK 280 REMARK 280 CRYSTAL REMARK 280 SOLVENT CONTENT, VS (%): 73.74 REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 4.68 REMARK 280 REMARK 280 CRYSTALLIZATION CONDITIONS: THE PROTEIN DROPS CONTAIN 3 MICROL REMARK 280 PDE9A2-IBMX COMPLEX AND 1 MICROL WELL BUFFER OF 0.1 M HEPES, 2.2 REMARK 280 M NA FORMATE, AND 5% XYLITOL, PH 7.5, VAPOR DIFFUSION, HANGING REMARK 280 DROP, TEMPERATURE 277K 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 134.86350 REMARK 290 SMTRY1 3 0.000000 -1.000000 0.000000 51.75650 REMARK 290 SMTRY2 3 1.000000 0.000000 0.000000 51.75650 REMARK 290 SMTRY3 3 0.000000 0.000000 1.000000 67.43175 REMARK 290 SMTRY1 4 0.000000 1.000000 0.000000 51.75650 REMARK 290 SMTRY2 4 -1.000000 0.000000 0.000000 51.75650 REMARK 290 SMTRY3 4 0.000000 0.000000 1.000000 202.29525 REMARK 290 SMTRY1 5 -1.000000 0.000000 0.000000 51.75650 REMARK 290 SMTRY2 5 0.000000 1.000000 0.000000 51.75650 REMARK 290 SMTRY3 5 0.000000 0.000000 -1.000000 67.43175 REMARK 290 SMTRY1 6 1.000000 0.000000 0.000000 51.75650 REMARK 290 SMTRY2 6 0.000000 -1.000000 0.000000 51.75650 REMARK 290 SMTRY3 6 0.000000 0.000000 -1.000000 202.29525 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 134.86350 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 AUTHOR DETERMINED BIOLOGICAL UNIT: MONOMERIC REMARK 350 APPLY THE FOLLOWING TO CHAINS: B 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 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 300 -178.11 -67.76 REMARK 500 SER A 319 60.29 28.31 REMARK 500 ASN A 381 66.99 -163.29 REMARK 500 PHE A 441 1.79 -68.62 REMARK 500 VAL A 460 -61.42 -126.53 REMARK 500 GLN A 504 -168.05 -101.91 REMARK 500 LYS A 505 81.06 58.71 REMARK 500 PRO B 199 -9.38 -57.61 REMARK 500 ASP B 317 10.55 59.98 REMARK 500 SER B 319 59.91 27.55 REMARK 500 ASN B 381 63.70 -151.92 REMARK 500 LYS B 505 44.51 -164.22 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 101 ZN REMARK 620 N RES CSSEQI ATOM REMARK 620 1 HIS A 256 NE2 REMARK 620 2 HIS A 292 NE2 87.4 REMARK 620 3 ASP A 293 OD2 86.4 78.0 REMARK 620 4 ASP A 402 OD1 88.5 88.8 166.1 REMARK 620 5 HOH A 507 O 85.9 169.8 109.2 83.3 REMARK 620 N 1 2 3 4 REMARK 620 REMARK 620 COORDINATION ANGLES FOR: M RES CSSEQI METAL REMARK 620 MG A 102 MG REMARK 620 N RES CSSEQI ATOM REMARK 620 1 ASP A 293 OD1 REMARK 620 2 HOH A 508 O 94.8 REMARK 620 3 HOH A 509 O 172.3 92.8 REMARK 620 4 HOH A 510 O 94.4 74.3 86.4 REMARK 620 5 HOH A 511 O 89.2 171.1 83.2 97.5 REMARK 620 N 1 2 3 4 REMARK 620 REMARK 620 COORDINATION ANGLES FOR: M RES CSSEQI METAL REMARK 620 ZN B 101 ZN REMARK 620 N RES CSSEQI ATOM REMARK 620 1 HIS B 256 NE2 REMARK 620 2 HIS B 292 NE2 93.6 REMARK 620 3 ASP B 293 OD2 91.4 79.9 REMARK 620 4 ASP B 402 OD1 88.0 86.4 166.2 REMARK 620 N 1 2 3 REMARK 620 REMARK 620 COORDINATION ANGLES FOR: M RES CSSEQI METAL REMARK 620 MG B 102 MG REMARK 620 N RES CSSEQI ATOM REMARK 620 1 ASP B 293 OD1 REMARK 620 2 HOH B 508 O 112.2 REMARK 620 3 HOH B 509 O 161.3 86.5 REMARK 620 4 HOH B 510 O 92.9 88.9 88.1 REMARK 620 5 HOH B 511 O 75.3 172.4 86.0 91.7 REMARK 620 N 1 2 3 4 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 101 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC2 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE MG A 102 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC3 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE ZN B 101 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC4 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE MG B 102 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC5 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE IBM A 1 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC6 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE IBM B 1 REMARK 900 REMARK 900 RELATED ENTRIES REMARK 900 RELATED ID: 1TBM RELATED DB: PDB DBREF 2HD1 A 181 506 UNP Q53Y40 Q53Y40_HUMAN 181 506 DBREF 2HD1 B 181 506 UNP Q53Y40 Q53Y40_HUMAN 181 506 SEQRES 1 A 326 PRO THR TYR PRO LYS TYR LEU LEU SER PRO GLU THR ILE SEQRES 2 A 326 GLU ALA LEU ARG LYS PRO THR PHE ASP VAL TRP LEU TRP SEQRES 3 A 326 GLU PRO ASN GLU MET LEU SER CYS LEU GLU HIS MET TYR SEQRES 4 A 326 HIS ASP LEU GLY LEU VAL ARG ASP PHE SER ILE ASN PRO SEQRES 5 A 326 VAL THR LEU ARG ARG TRP LEU PHE CYS VAL HIS ASP ASN SEQRES 6 A 326 TYR ARG ASN ASN PRO PHE HIS ASN PHE ARG HIS CYS PHE SEQRES 7 A 326 CYS VAL ALA GLN MET MET TYR SER MET VAL TRP LEU CYS SEQRES 8 A 326 SER LEU GLN GLU LYS PHE SER GLN THR ASP ILE LEU ILE SEQRES 9 A 326 LEU MET THR ALA ALA ILE CYS HIS ASP LEU ASP HIS PRO SEQRES 10 A 326 GLY TYR ASN ASN THR TYR GLN ILE ASN ALA ARG THR GLU SEQRES 11 A 326 LEU ALA VAL ARG TYR ASN ASP ILE SER PRO LEU GLU ASN SEQRES 12 A 326 HIS HIS CYS ALA VAL ALA PHE GLN ILE LEU ALA GLU PRO SEQRES 13 A 326 GLU CYS ASN ILE PHE SER ASN ILE PRO PRO ASP GLY PHE SEQRES 14 A 326 LYS GLN ILE ARG GLN GLY MET ILE THR LEU ILE LEU ALA SEQRES 15 A 326 THR ASP MET ALA ARG HIS ALA GLU ILE MET ASP SER PHE SEQRES 16 A 326 LYS GLU LYS MET GLU ASN PHE ASP TYR SER ASN GLU GLU SEQRES 17 A 326 HIS MET THR LEU LEU LYS MET ILE LEU ILE LYS CYS CYS SEQRES 18 A 326 ASP ILE SER ASN GLU VAL ARG PRO MET GLU VAL ALA GLU SEQRES 19 A 326 PRO TRP VAL ASP CYS LEU LEU GLU GLU TYR PHE MET GLN SEQRES 20 A 326 SER ASP ARG GLU LYS SER GLU GLY LEU PRO VAL ALA PRO SEQRES 21 A 326 PHE MET ASP ARG ASP LYS VAL THR LYS ALA THR ALA GLN SEQRES 22 A 326 ILE GLY PHE ILE LYS PHE VAL LEU ILE PRO MET PHE GLU SEQRES 23 A 326 THR VAL THR LYS LEU PHE PRO MET VAL GLU GLU ILE MET SEQRES 24 A 326 LEU GLN PRO LEU TRP GLU SER ARG ASP ARG TYR GLU GLU SEQRES 25 A 326 LEU LYS ARG ILE ASP ASP ALA MET LYS GLU LEU GLN LYS SEQRES 26 A 326 LYS SEQRES 1 B 326 PRO THR TYR PRO LYS TYR LEU LEU SER PRO GLU THR ILE SEQRES 2 B 326 GLU ALA LEU ARG LYS PRO THR PHE ASP VAL TRP LEU TRP SEQRES 3 B 326 GLU PRO ASN GLU MET LEU SER CYS LEU GLU HIS MET TYR SEQRES 4 B 326 HIS ASP LEU GLY LEU VAL ARG ASP PHE SER ILE ASN PRO SEQRES 5 B 326 VAL THR LEU ARG ARG TRP LEU PHE CYS VAL HIS ASP ASN SEQRES 6 B 326 TYR ARG ASN ASN PRO PHE HIS ASN PHE ARG HIS CYS PHE SEQRES 7 B 326 CYS VAL ALA GLN MET MET TYR SER MET VAL TRP LEU CYS SEQRES 8 B 326 SER LEU GLN GLU LYS PHE SER GLN THR ASP ILE LEU ILE SEQRES 9 B 326 LEU MET THR ALA ALA ILE CYS HIS ASP LEU ASP HIS PRO SEQRES 10 B 326 GLY TYR ASN ASN THR TYR GLN ILE ASN ALA ARG THR GLU SEQRES 11 B 326 LEU ALA VAL ARG TYR ASN ASP ILE SER PRO LEU GLU ASN SEQRES 12 B 326 HIS HIS CYS ALA VAL ALA PHE GLN ILE LEU ALA GLU PRO SEQRES 13 B 326 GLU CYS ASN ILE PHE SER ASN ILE PRO PRO ASP GLY PHE SEQRES 14 B 326 LYS GLN ILE ARG GLN GLY MET ILE THR LEU ILE LEU ALA SEQRES 15 B 326 THR ASP MET ALA ARG HIS ALA GLU ILE MET ASP SER PHE SEQRES 16 B 326 LYS GLU LYS MET GLU ASN PHE ASP TYR SER ASN GLU GLU SEQRES 17 B 326 HIS MET THR LEU LEU LYS MET ILE LEU ILE LYS CYS CYS SEQRES 18 B 326 ASP ILE SER ASN GLU VAL ARG PRO MET GLU VAL ALA GLU SEQRES 19 B 326 PRO TRP VAL ASP CYS LEU LEU GLU GLU TYR PHE MET GLN SEQRES 20 B 326 SER ASP ARG GLU LYS SER GLU GLY LEU PRO VAL ALA PRO SEQRES 21 B 326 PHE MET ASP ARG ASP LYS VAL THR LYS ALA THR ALA GLN SEQRES 22 B 326 ILE GLY PHE ILE LYS PHE VAL LEU ILE PRO MET PHE GLU SEQRES 23 B 326 THR VAL THR LYS LEU PHE PRO MET VAL GLU GLU ILE MET SEQRES 24 B 326 LEU GLN PRO LEU TRP GLU SER ARG ASP ARG TYR GLU GLU SEQRES 25 B 326 LEU LYS ARG ILE ASP ASP ALA MET LYS GLU LEU GLN LYS SEQRES 26 B 326 LYS HET ZN A 101 1 HET MG A 102 1 HET IBM A 1 16 HET ZN B 101 1 HET MG B 102 1 HET IBM B 1 16 HETNAM ZN ZINC ION HETNAM MG MAGNESIUM ION HETNAM IBM 3-ISOBUTYL-1-METHYLXANTHINE FORMUL 3 ZN 2(ZN 2+) FORMUL 4 MG 2(MG 2+) FORMUL 5 IBM 2(C10 H14 N4 O2) FORMUL 9 HOH *195(H2 O) HELIX 1 1 SER A 189 LEU A 196 1 8 HELIX 2 2 GLU A 207 LEU A 222 1 16 HELIX 3 3 GLY A 223 PHE A 228 1 6 HELIX 4 4 ASN A 231 ASN A 245 1 15 HELIX 5 5 ASN A 253 CYS A 271 1 19 HELIX 6 6 SER A 272 PHE A 277 1 6 HELIX 7 7 SER A 278 HIS A 292 1 15 HELIX 8 8 ASN A 300 ALA A 307 1 8 HELIX 9 9 THR A 309 TYR A 315 1 7 HELIX 10 10 SER A 319 ALA A 334 1 16 HELIX 11 11 GLU A 335 ASN A 339 5 5 HELIX 12 12 PRO A 345 ALA A 362 1 18 HELIX 13 13 THR A 363 ALA A 366 5 4 HELIX 14 14 ARG A 367 MET A 379 1 13 HELIX 15 15 GLU A 380 PHE A 382 5 3 HELIX 16 16 ASN A 386 ILE A 403 1 18 HELIX 17 17 SER A 404 ARG A 408 5 5 HELIX 18 18 PRO A 409 GLU A 434 1 26 HELIX 19 19 ALA A 439 ASP A 443 5 5 HELIX 20 20 THR A 448 VAL A 460 1 13 HELIX 21 21 VAL A 460 PHE A 472 1 13 HELIX 22 22 MET A 474 LYS A 501 1 28 HELIX 23 23 SER B 189 LEU B 196 1 8 HELIX 24 24 GLU B 207 LEU B 222 1 16 HELIX 25 25 GLY B 223 PHE B 228 1 6 HELIX 26 26 ASN B 231 ASN B 245 1 15 HELIX 27 27 ASN B 253 CYS B 271 1 19 HELIX 28 28 SER B 272 PHE B 277 1 6 HELIX 29 29 SER B 278 HIS B 292 1 15 HELIX 30 30 ASN B 300 ALA B 307 1 8 HELIX 31 31 THR B 309 TYR B 315 1 7 HELIX 32 32 SER B 319 ALA B 334 1 16 HELIX 33 33 GLU B 335 ASN B 339 5 5 HELIX 34 34 PRO B 345 ALA B 362 1 18 HELIX 35 35 THR B 363 ALA B 366 5 4 HELIX 36 36 ARG B 367 GLU B 380 1 14 HELIX 37 37 ASN B 386 ILE B 403 1 18 HELIX 38 38 SER B 404 ARG B 408 5 5 HELIX 39 39 PRO B 409 GLY B 435 1 27 HELIX 40 40 ALA B 439 ASP B 443 5 5 HELIX 41 41 THR B 448 VAL B 460 1 13 HELIX 42 42 VAL B 460 PHE B 472 1 13 HELIX 43 43 MET B 474 MET B 479 1 6 HELIX 44 44 MET B 479 LEU B 503 1 25 LINK ZN ZN A 101 NE2 HIS A 256 1555 1555 2.13 LINK ZN ZN A 101 NE2 HIS A 292 1555 1555 2.11 LINK ZN ZN A 101 OD2 ASP A 293 1555 1555 2.06 LINK ZN ZN A 101 OD1 ASP A 402 1555 1555 2.06 LINK ZN ZN A 101 O HOH A 507 1555 1555 2.64 LINK MG MG A 102 OD1 ASP A 293 1555 1555 2.13 LINK MG MG A 102 O HOH A 508 1555 1555 2.28 LINK MG MG A 102 O HOH A 509 1555 1555 2.38 LINK MG MG A 102 O HOH A 510 1555 1555 2.41 LINK MG MG A 102 O HOH A 511 1555 1555 2.20 LINK ZN ZN B 101 NE2 HIS B 256 1555 1555 2.12 LINK ZN ZN B 101 NE2 HIS B 292 1555 1555 2.11 LINK ZN ZN B 101 OD2 ASP B 293 1555 1555 2.06 LINK ZN ZN B 101 OD1 ASP B 402 1555 1555 2.06 LINK MG MG B 102 OD1 ASP B 293 1555 1555 2.10 LINK MG MG B 102 O HOH B 508 1555 1555 2.20 LINK MG MG B 102 O HOH B 509 1555 1555 2.28 LINK MG MG B 102 O HOH B 510 1555 1555 2.30 LINK MG MG B 102 O HOH B 511 1555 1555 2.28 SITE 1 AC1 6 MG A 102 HIS A 256 HIS A 292 ASP A 293 SITE 2 AC1 6 ASP A 402 HOH A 507 SITE 1 AC2 6 ZN A 101 ASP A 293 HOH A 508 HOH A 509 SITE 2 AC2 6 HOH A 510 HOH A 511 SITE 1 AC3 5 MG B 102 HIS B 256 HIS B 292 ASP B 293 SITE 2 AC3 5 ASP B 402 SITE 1 AC4 6 ZN B 101 ASP B 293 HOH B 508 HOH B 509 SITE 2 AC4 6 HOH B 510 HOH B 511 SITE 1 AC5 5 ILE A 403 LEU A 420 TYR A 424 GLN A 453 SITE 2 AC5 5 PHE A 456 SITE 1 AC6 7 ALA A 499 LEU B 420 TYR B 424 PHE B 441 SITE 2 AC6 7 ALA B 452 GLN B 453 PHE B 456 CRYST1 103.513 103.513 269.727 90.00 90.00 90.00 P 41 21 2 16 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 0.009661 0.000000 0.000000 0.00000 SCALE2 0.000000 0.009661 0.000000 0.00000 SCALE3 0.000000 0.000000 0.003707 0.00000