HEADER HYDROLASE 20-AUG-07 2Z7G TITLE CRYSTAL STRUCTURE OF ADENOSINE DEAMINASE LIGATED WITH EHNA COMPND MOL_ID: 1; COMPND 2 MOLECULE: ADENOSINE DEAMINASE; COMPND 3 CHAIN: A; COMPND 4 SYNONYM: ADENOSINE AMINOHYDROLASE; COMPND 5 EC: 3.5.4.4 SOURCE MOL_ID: 1; SOURCE 2 ORGANISM_SCIENTIFIC: BOS TAURUS; SOURCE 3 ORGANISM_COMMON: BOVINE; SOURCE 4 ORGANISM_TAXID: 9913 KEYWDS BETA BARREL, PROTEIN-INHIBITOR COMPLEX, ACETYLATION, HYDROLASE, KEYWDS 2 NUCLEOTIDE METABOLISM, PHARMACEUTICAL, POLYMORPHISM EXPDTA X-RAY DIFFRACTION AUTHOR T.KINOSHITA REVDAT 4 01-NOV-23 2Z7G 1 REMARK HETSYN REVDAT 3 24-FEB-09 2Z7G 1 VERSN REVDAT 2 15-JUL-08 2Z7G 1 JRNL REVDAT 1 01-JUL-08 2Z7G 0 JRNL AUTH T.KINOSHITA,T.TADA,I.NAKANISHI JRNL TITL CONFORMATIONAL CHANGE OF ADENOSINE DEAMINASE DURING JRNL TITL 2 LIGAND-EXCHANGE IN A CRYSTAL JRNL REF BIOCHEM.BIOPHYS.RES.COMMUN. V. 373 53 2008 JRNL REFN ISSN 0006-291X JRNL PMID 18549808 JRNL DOI 10.1016/J.BBRC.2008.05.180 REMARK 2 REMARK 2 RESOLUTION. 2.52 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) : 2.52 REMARK 3 RESOLUTION RANGE LOW (ANGSTROMS) : 67.03 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) (%) : 5.3 REMARK 3 NUMBER OF REFLECTIONS : 12956 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 + TEST SET) : 0.210 REMARK 3 R VALUE (WORKING SET) : 0.207 REMARK 3 FREE R VALUE : 0.247 REMARK 3 FREE R VALUE TEST SET SIZE (%) : NULL REMARK 3 FREE R VALUE TEST SET COUNT : 719 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) : 13675 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) : 2.52 REMARK 3 BIN RESOLUTION RANGE LOW (A) : 2.57 REMARK 3 BIN COMPLETENESS (WORKING+TEST) (%) : NULL REMARK 3 REFLECTIONS IN BIN (WORKING SET) : NULL REMARK 3 BIN R VALUE (WORKING SET) : 0.2510 REMARK 3 BIN FREE R VALUE : 0.3310 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 : 2789 REMARK 3 NUCLEIC ACID ATOMS : 0 REMARK 3 HETEROGEN ATOMS : 21 REMARK 3 SOLVENT ATOMS : 119 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) : 0.008 REMARK 3 BOND ANGLES (DEGREES) : 1.600 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 2Z7G COMPLIES WITH FORMAT V. 3.30, 13-JUL-11 REMARK 100 REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY PDBJ ON 22-AUG-07. REMARK 100 THE DEPOSITION ID IS D_1000027616. REMARK 200 REMARK 200 EXPERIMENTAL DETAILS REMARK 200 EXPERIMENT TYPE : X-RAY DIFFRACTION REMARK 200 DATE OF DATA COLLECTION : 31-JUL-07 REMARK 200 TEMPERATURE (KELVIN) : 100 REMARK 200 PH : 6.0 REMARK 200 NUMBER OF CRYSTALS USED : 1 REMARK 200 REMARK 200 SYNCHROTRON (Y/N) : N REMARK 200 RADIATION SOURCE : ROTATING ANODE REMARK 200 BEAMLINE : NULL REMARK 200 X-RAY GENERATOR MODEL : RIGAKU ULTRAX 18 REMARK 200 MONOCHROMATIC OR LAUE (M/L) : M REMARK 200 WAVELENGTH OR RANGE (A) : 1.5418 REMARK 200 MONOCHROMATOR : GRAPHITE REMARK 200 OPTICS : MIRRORS REMARK 200 REMARK 200 DETECTOR TYPE : IMAGE PLATE REMARK 200 DETECTOR MANUFACTURER : RIGAKU RAXIS IV++ REMARK 200 INTENSITY-INTEGRATION SOFTWARE : CRYSTALCLEAR REMARK 200 DATA SCALING SOFTWARE : CRYSTALCLEAR REMARK 200 REMARK 200 NUMBER OF UNIQUE REFLECTIONS : 13675 REMARK 200 RESOLUTION RANGE HIGH (A) : 2.520 REMARK 200 RESOLUTION RANGE LOW (A) : 67.030 REMARK 200 REJECTION CRITERIA (SIGMA(I)) : 0.000 REMARK 200 REMARK 200 OVERALL. REMARK 200 COMPLETENESS FOR RANGE (%) : 94.7 REMARK 200 DATA REDUNDANCY : NULL REMARK 200 R MERGE (I) : 0.06200 REMARK 200 R SYM (I) : NULL REMARK 200 FOR THE DATA SET : 13.4000 REMARK 200 REMARK 200 IN THE HIGHEST RESOLUTION SHELL. REMARK 200 HIGHEST RESOLUTION SHELL, RANGE HIGH (A) : 2.52 REMARK 200 HIGHEST RESOLUTION SHELL, RANGE LOW (A) : 2.75 REMARK 200 COMPLETENESS FOR SHELL (%) : 94.5 REMARK 200 DATA REDUNDANCY IN SHELL : NULL REMARK 200 R MERGE FOR SHELL (I) : 0.16700 REMARK 200 R SYM FOR SHELL (I) : NULL REMARK 200 FOR SHELL : 3.700 REMARK 200 REMARK 200 DIFFRACTION PROTOCOL: SINGLE WAVELENGTH REMARK 200 METHOD USED TO DETERMINE THE STRUCTURE: FOURIER SYNTHESIS REMARK 200 SOFTWARE USED: MOLREP REMARK 200 STARTING MODEL: PDB ENTRY 1KRM REMARK 200 REMARK 200 REMARK: NULL REMARK 280 REMARK 280 CRYSTAL REMARK 280 SOLVENT CONTENT, VS (%): 50.77 REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 2.50 REMARK 280 REMARK 280 CRYSTALLIZATION CONDITIONS: 2M AMMONIUM SULFATE, 2% MPD, 0.1M MES REMARK 280 BUFFER, PH 6.0, VAPOR DIFFUSION, SITTING DROP, TEMPERATURE 293K REMARK 290 REMARK 290 CRYSTALLOGRAPHIC SYMMETRY REMARK 290 SYMMETRY OPERATORS FOR SPACE GROUP: P 43 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+3/4 REMARK 290 4555 Y+1/2,-X+1/2,Z+1/4 REMARK 290 5555 -X+1/2,Y+1/2,-Z+3/4 REMARK 290 6555 X+1/2,-Y+1/2,-Z+1/4 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 67.83000 REMARK 290 SMTRY1 3 0.000000 -1.000000 0.000000 38.55000 REMARK 290 SMTRY2 3 1.000000 0.000000 0.000000 38.55000 REMARK 290 SMTRY3 3 0.000000 0.000000 1.000000 101.74500 REMARK 290 SMTRY1 4 0.000000 1.000000 0.000000 38.55000 REMARK 290 SMTRY2 4 -1.000000 0.000000 0.000000 38.55000 REMARK 290 SMTRY3 4 0.000000 0.000000 1.000000 33.91500 REMARK 290 SMTRY1 5 -1.000000 0.000000 0.000000 38.55000 REMARK 290 SMTRY2 5 0.000000 1.000000 0.000000 38.55000 REMARK 290 SMTRY3 5 0.000000 0.000000 -1.000000 101.74500 REMARK 290 SMTRY1 6 1.000000 0.000000 0.000000 38.55000 REMARK 290 SMTRY2 6 0.000000 -1.000000 0.000000 38.55000 REMARK 290 SMTRY3 6 0.000000 0.000000 -1.000000 33.91500 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 67.83000 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 SOFTWARE DETERMINED QUATERNARY STRUCTURE: MONOMERIC REMARK 350 SOFTWARE USED: PISA 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 ALA A -1 REMARK 465 GLN A 0 REMARK 465 MET A 350 REMARK 465 PRO A 351 REMARK 465 SER A 352 REMARK 465 PRO A 353 REMARK 465 ALA A 354 REMARK 500 REMARK 500 GEOMETRY AND STEREOCHEMISTRY REMARK 500 SUBTOPIC: COVALENT BOND ANGLES REMARK 500 REMARK 500 THE STEREOCHEMICAL PARAMETERS OF THE FOLLOWING RESIDUES REMARK 500 HAVE VALUES WHICH DEVIATE FROM EXPECTED VALUES BY MORE REMARK 500 THAN 6*RMSD (M=MODEL NUMBER; RES=RESIDUE NAME; C=CHAIN REMARK 500 IDENTIFIER; SSEQ=SEQUENCE NUMBER; I=INSERTION CODE). REMARK 500 REMARK 500 STANDARD TABLE: REMARK 500 FORMAT: (10X,I3,1X,A3,1X,A1,I4,A1,3(1X,A4,2X),12X,F5.1) REMARK 500 REMARK 500 EXPECTED VALUES PROTEIN: ENGH AND HUBER, 1999 REMARK 500 EXPECTED VALUES NUCLEIC ACID: CLOWNEY ET AL 1996 REMARK 500 REMARK 500 M RES CSSEQI ATM1 ATM2 ATM3 REMARK 500 ARG A 279 NE - CZ - NH2 ANGL. DEV. = -3.7 DEGREES REMARK 500 REMARK 500 REMARK: NULL 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 ASP A 38 12.85 -141.78 REMARK 500 LYS A 108 -103.59 77.36 REMARK 500 VAL A 109 109.96 7.61 REMARK 500 GLU A 110 -96.25 -52.47 REMARK 500 GLU A 171 -49.84 83.34 REMARK 500 GLN A 172 49.31 -68.54 REMARK 500 THR A 173 -37.16 81.73 REMARK 500 HIS A 235 -84.37 82.09 REMARK 500 PRO A 260 -70.70 -42.73 REMARK 500 PRO A 271 -0.13 -50.95 REMARK 500 ASP A 292 -68.00 77.97 REMARK 500 LYS A 298 60.19 39.86 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 355 ZN REMARK 620 N RES CSSEQI ATOM REMARK 620 1 HIS A 12 NE2 REMARK 620 2 HIS A 14 NE2 114.7 REMARK 620 3 HIS A 211 NE2 74.4 95.6 REMARK 620 4 ASP A 292 OD1 91.2 89.0 165.5 REMARK 620 5 HOH A 433 O 116.8 126.9 109.6 77.9 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 355 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC2 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE EH9 A 356 REMARK 999 REMARK 999 SEQUENCE REMARK 999 THE SEQUENCE IS BASED ON REFERENCE 2 IN THE DATABASE, REMARK 999 ADA_BOVIN. GLN 196, THR 243, AND ARG 349 ARE VARIANTS OF REMARK 999 ADA_BOVIN. DBREF 2Z7G A -1 354 UNP P56658 ADA_BOVIN 2 357 SEQADV 2Z7G GLN A 196 UNP P56658 LYS 199 SEE REMARK 999 SEQADV 2Z7G THR A 243 UNP P56658 ALA 246 SEE REMARK 999 SEQADV 2Z7G ARG A 349 UNP P56658 GLY 352 SEE REMARK 999 SEQRES 1 A 356 ALA GLN THR PRO ALA PHE ASP LYS PRO LYS VAL GLU LEU SEQRES 2 A 356 HIS VAL HIS LEU ASP GLY ALA ILE LYS PRO GLU THR ILE SEQRES 3 A 356 LEU TYR TYR GLY LYS ARG ARG GLY ILE ALA LEU PRO ALA SEQRES 4 A 356 ASP THR PRO GLU GLU LEU GLN ASN ILE ILE GLY MET ASP SEQRES 5 A 356 LYS PRO LEU THR LEU PRO ASP PHE LEU ALA LYS PHE ASP SEQRES 6 A 356 TYR TYR MET PRO ALA ILE ALA GLY CYS ARG ASP ALA ILE SEQRES 7 A 356 LYS ARG ILE ALA TYR GLU PHE VAL GLU MET LYS ALA LYS SEQRES 8 A 356 ASP GLY VAL VAL TYR VAL GLU VAL ARG TYR SER PRO HIS SEQRES 9 A 356 LEU LEU ALA ASN SER LYS VAL GLU PRO ILE PRO TRP ASN SEQRES 10 A 356 GLN ALA GLU GLY ASP LEU THR PRO ASP GLU VAL VAL SER SEQRES 11 A 356 LEU VAL ASN GLN GLY LEU GLN GLU GLY GLU ARG ASP PHE SEQRES 12 A 356 GLY VAL LYS VAL ARG SER ILE LEU CYS CYS MET ARG HIS SEQRES 13 A 356 GLN PRO SER TRP SER SER GLU VAL VAL GLU LEU CYS LYS SEQRES 14 A 356 LYS TYR ARG GLU GLN THR VAL VAL ALA ILE ASP LEU ALA SEQRES 15 A 356 GLY ASP GLU THR ILE GLU GLY SER SER LEU PHE PRO GLY SEQRES 16 A 356 HIS VAL GLN ALA TYR ALA GLU ALA VAL LYS SER GLY VAL SEQRES 17 A 356 HIS ARG THR VAL HIS ALA GLY GLU VAL GLY SER ALA ASN SEQRES 18 A 356 VAL VAL LYS GLU ALA VAL ASP THR LEU LYS THR GLU ARG SEQRES 19 A 356 LEU GLY HIS GLY TYR HIS THR LEU GLU ASP THR THR LEU SEQRES 20 A 356 TYR ASN ARG LEU ARG GLN GLU ASN MET HIS PHE GLU ILE SEQRES 21 A 356 CYS PRO TRP SER SER TYR LEU THR GLY ALA TRP LYS PRO SEQRES 22 A 356 ASP THR GLU HIS ALA VAL ILE ARG PHE LYS ASN ASP GLN SEQRES 23 A 356 VAL ASN TYR SER LEU ASN THR ASP ASP PRO LEU ILE PHE SEQRES 24 A 356 LYS SER THR LEU ASP THR ASP TYR GLN MET THR LYS LYS SEQRES 25 A 356 ASP MET GLY PHE THR GLU GLU GLU PHE LYS ARG LEU ASN SEQRES 26 A 356 ILE ASN ALA ALA LYS SER SER PHE LEU PRO GLU ASP GLU SEQRES 27 A 356 LYS LYS GLU LEU LEU ASP LEU LEU TYR LYS ALA TYR ARG SEQRES 28 A 356 MET PRO SER PRO ALA HET ZN A 355 1 HET EH9 A 356 20 HETNAM ZN ZINC ION HETNAM EH9 (2S,3R)-3-(6-AMINO-9H-PURIN-9-YL)NONAN-2-OL HETSYN EH9 ERYTHRO-9-[3-(2-HYDROXYNONYL)] ADENINE; EHNA FORMUL 2 ZN ZN 2+ FORMUL 3 EH9 C14 H23 N5 O FORMUL 4 HOH *119(H2 O) HELIX 1 1 ASP A 16 ALA A 18 5 3 HELIX 2 2 LYS A 20 ARG A 31 1 12 HELIX 3 3 THR A 39 GLY A 48 1 10 HELIX 4 4 THR A 54 ALA A 70 1 17 HELIX 5 5 CYS A 72 ASP A 90 1 19 HELIX 6 6 SER A 100 ALA A 105 5 6 HELIX 7 7 ILE A 112 GLN A 116 5 5 HELIX 8 8 THR A 122 GLY A 142 1 21 HELIX 9 9 GLN A 155 SER A 157 5 3 HELIX 10 10 TRP A 158 TYR A 169 1 12 HELIX 11 11 GLY A 187 LEU A 190 5 4 HELIX 12 12 PHE A 191 SER A 204 1 14 HELIX 13 13 SER A 217 THR A 227 1 11 HELIX 14 14 TYR A 237 GLU A 241 5 5 HELIX 15 15 ASP A 242 GLU A 252 1 11 HELIX 16 16 CYS A 259 GLY A 267 1 9 HELIX 17 17 HIS A 275 ASP A 283 1 9 HELIX 18 18 THR A 300 GLY A 313 1 14 HELIX 19 19 THR A 315 SER A 329 1 15 HELIX 20 20 PRO A 333 ARG A 349 1 17 SHEET 1 A 8 LYS A 8 HIS A 14 0 SHEET 2 A 8 VAL A 92 TYR A 99 1 O VAL A 93 N LYS A 8 SHEET 3 A 8 LYS A 144 MET A 152 1 O LYS A 144 N VAL A 93 SHEET 4 A 8 VAL A 174 ALA A 180 1 O VAL A 175 N SER A 147 SHEET 5 A 8 HIS A 207 ALA A 212 1 O HIS A 211 N LEU A 179 SHEET 6 A 8 ARG A 232 HIS A 235 1 O GLY A 234 N VAL A 210 SHEET 7 A 8 HIS A 255 ILE A 258 1 O GLU A 257 N LEU A 233 SHEET 8 A 8 TYR A 287 LEU A 289 1 O SER A 288 N PHE A 256 LINK NE2 HIS A 12 ZN ZN A 355 1555 1555 2.24 LINK NE2 HIS A 14 ZN ZN A 355 1555 1555 2.15 LINK NE2 HIS A 211 ZN ZN A 355 1555 1555 2.30 LINK OD1 ASP A 292 ZN ZN A 355 1555 1555 2.34 LINK ZN ZN A 355 O HOH A 433 1555 1555 2.07 SITE 1 AC1 5 HIS A 12 HIS A 14 HIS A 211 ASP A 292 SITE 2 AC1 5 HOH A 433 SITE 1 AC2 7 HIS A 14 ASP A 16 PHE A 62 MET A 152 SITE 2 AC2 7 ASP A 293 HOH A 360 HOH A 433 CRYST1 77.100 77.100 135.660 90.00 90.00 90.00 P 43 21 2 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 0.012970 0.000000 0.000000 0.00000 SCALE2 0.000000 0.012970 0.000000 0.00000 SCALE3 0.000000 0.000000 0.007371 0.00000