1A4M - Header Asymmetric Unit

HEADER HYDROLASE 31-JAN-98 1A4M

TITLE ADA STRUCTURE COMPLEXED WITH PURINE RIBOSIDE AT PH 7.0

COMPND MOL_ID: 1; COMPND 2 MOLECULE: ADENOSINE DEAMINASE; COMPND 3 CHAIN: A, B, C, D; COMPND 4 SYNONYM: ADA; COMPND 5 EC: 3.5.4.4; COMPND 6 ENGINEERED: YES

SOURCE MOL_ID: 1; SOURCE 2 ORGANISM_SCIENTIFIC: MUS MUSCULUS; SOURCE 3 ORGANISM_COMMON: HOUSE MOUSE; SOURCE 4 ORGANISM_TAXID: 10090; SOURCE 5 EXPRESSION_SYSTEM: ESCHERICHIA COLI; SOURCE 6 EXPRESSION_SYSTEM_TAXID: 562; SOURCE 7 EXPRESSION_SYSTEM_STRAIN: PRC4; SOURCE 8 EXPRESSION_SYSTEM_VECTOR_TYPE: PLASMID

KEYWDS HYDROLASE, ADENOSINE DEAMINASE, PURINE RIBOSIDE

EXPDTA X-RAY DIFFRACTION

AUTHOR Z.WANG,F.A.QUIOCHO

REVDAT 3 24-FEB-09 1A4M 1 VERSN REVDAT 2 18-NOV-98 1A4M 1 SOURCE COMPND REMARK SITE REVDAT 2 2 1 JRNL KEYWDS HEADER REVDAT 1 14-OCT-98 1A4M 0

JRNL AUTH Z.WANG,F.A.QUIOCHO JRNL TITL COMPLEXES OF ADENOSINE DEAMINASE WITH TWO POTENT JRNL TITL 2 INHIBITORS: X-RAY STRUCTURES IN FOUR INDEPENDENT JRNL TITL 3 MOLECULES AT PH OF MAXIMUM ACTIVITY. JRNL REF BIOCHEMISTRY V. 37 8314 1998 JRNL REFN ISSN 0006-2960 JRNL PMID 9622483 JRNL DOI 10.1021/BI980324O

REMARK 1 REMARK 1 REFERENCE 1 REMARK 1 AUTH D.K.WILSON,F.A.QUIOCHO REMARK 1 TITL A PRE-TRANSITION-STATE MIMIC OF AN ENZYME: X-RAY REMARK 1 TITL 2 STRUCTURE OF ADENOSINE DEAMINASE WITH BOUND REMARK 1 TITL 3 1-DEAZAADENOSINE AND ZINC-ACTIVATED WATER REMARK 1 REF BIOCHEMISTRY V. 32 1689 1993 REMARK 1 REFN ISSN 0006-2960 REMARK 1 REFERENCE 2 REMARK 1 AUTH A.J.SHARFF,D.K.WILSON,Z.CHANG,F.A.QUIOCHO REMARK 1 TITL REFINED 2.5 A STRUCTURE OF MURINE ADENOSINE REMARK 1 TITL 2 DEAMINASE AT PH 6.0 REMARK 1 REF J.MOL.BIOL. V. 226 917 1992 REMARK 1 REFN ISSN 0022-2836 REMARK 1 REFERENCE 3 REMARK 1 AUTH D.K.WILSON,F.B.RUDOLPH,F.A.QUIOCHO REMARK 1 TITL ATOMIC STRUCTURE OF ADENOSINE DEAMINASE COMPLEXED REMARK 1 TITL 2 WITH A TRANSITION-STATE ANALOG: UNDERSTANDING REMARK 1 TITL 3 CATALYSIS AND IMMUNODEFICIENCY MUTATIONS REMARK 1 REF SCIENCE V. 252 1278 1991 REMARK 1 REFN ISSN 0036-8075

REMARK 2 REMARK 2 RESOLUTION. 1.95 ANGSTROMS.

REMARK 3 REMARK 3 REFINEMENT. REMARK 3 PROGRAM : X-PLOR 3.85 REMARK 3 AUTHORS : BRUNGER REMARK 3 REMARK 3 DATA USED IN REFINEMENT. REMARK 3 RESOLUTION RANGE HIGH (ANGSTROMS) : 1.95 REMARK 3 RESOLUTION RANGE LOW (ANGSTROMS) : 10.00 REMARK 3 DATA CUTOFF (SIGMA(F)) : 0.000 REMARK 3 DATA CUTOFF HIGH (ABS(F)) : 10000000.000 REMARK 3 DATA CUTOFF LOW (ABS(F)) : 0.0000 REMARK 3 COMPLETENESS (WORKING+TEST) (%) : 70.2 REMARK 3 NUMBER OF REFLECTIONS : 76565 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 SET) : 0.193 REMARK 3 FREE R VALUE : 0.281 REMARK 3 FREE R VALUE TEST SET SIZE (%) : 10.000 REMARK 3 FREE R VALUE TEST SET COUNT : 7677 REMARK 3 ESTIMATED ERROR OF FREE R VALUE : 0.003 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 : 11168 REMARK 3 NUCLEIC ACID ATOMS : 0 REMARK 3 HETEROGEN ATOMS : 76 REMARK 3 SOLVENT ATOMS : 1065 REMARK 3 REMARK 3 B VALUES. REMARK 3 FROM WILSON PLOT (A**2) : NULL REMARK 3 MEAN B VALUE (OVERALL, A**2) : 16.96 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) : 0.009 REMARK 3 BOND ANGLES (DEGREES) : 1.47 REMARK 3 DIHEDRAL ANGLES (DEGREES) : 23.08 REMARK 3 IMPROPER ANGLES (DEGREES) : 1.66 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 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 1A4M COMPLIES WITH FORMAT V. 3.15, 01-DEC-08

REMARK 100 REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY BNL.

REMARK 200 REMARK 200 EXPERIMENTAL DETAILS REMARK 200 EXPERIMENT TYPE : X-RAY DIFFRACTION REMARK 200 DATE OF DATA COLLECTION : 15-MAY-97 REMARK 200 TEMPERATURE (KELVIN) : 100 REMARK 200 PH : 7.0 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 RUH2R REMARK 200 MONOCHROMATIC OR LAUE (M/L) : M REMARK 200 WAVELENGTH OR RANGE (A) : 1.5418 REMARK 200 MONOCHROMATOR : NI FILTER REMARK 200 OPTICS : MIRROR REMARK 200 REMARK 200 DETECTOR TYPE : IMAGE PLATE REMARK 200 DETECTOR MANUFACTURER : MACSCIENCE REMARK 200 INTENSITY-INTEGRATION SOFTWARE : DENZO REMARK 200 DATA SCALING SOFTWARE : SCALEPACK REMARK 200 REMARK 200 NUMBER OF UNIQUE REFLECTIONS : 83321 REMARK 200 RESOLUTION RANGE HIGH (A) : 1.950 REMARK 200 RESOLUTION RANGE LOW (A) : 10.000 REMARK 200 REJECTION CRITERIA (SIGMA(I)) : 0.000 REMARK 200 REMARK 200 OVERALL. REMARK 200 COMPLETENESS FOR RANGE (%) : 70.2 REMARK 200 DATA REDUNDANCY : 4.000 REMARK 200 R MERGE (I) : NULL REMARK 200 R SYM (I) : 0.07800 REMARK 200 <I/SIGMA(I)> FOR THE DATA SET : 8.0000 REMARK 200 REMARK 200 IN THE HIGHEST RESOLUTION SHELL. REMARK 200 HIGHEST RESOLUTION SHELL, RANGE HIGH (A) : 1.95 REMARK 200 HIGHEST RESOLUTION SHELL, RANGE LOW (A) : 2.02 REMARK 200 COMPLETENESS FOR SHELL (%) : 47.0 REMARK 200 DATA REDUNDANCY IN SHELL : 1.90 REMARK 200 R MERGE FOR SHELL (I) : NULL REMARK 200 R SYM FOR SHELL (I) : 0.40100 REMARK 200 <I/SIGMA(I)> FOR SHELL : 2.100 REMARK 200 REMARK 200 DIFFRACTION PROTOCOL: NULL REMARK 200 METHOD USED TO DETERMINE THE STRUCTURE: MOLECULAR REPLACEMENT REMARK 200 SOFTWARE USED: X-PLOR 3.85 REMARK 200 STARTING MODEL: PDB ENTRY 2ADA REMARK 200 REMARK 200 REMARK: NULL

REMARK 280 REMARK 280 CRYSTAL REMARK 280 SOLVENT CONTENT, VS (%): 58.00 REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 2.60 REMARK 280 REMARK 280 CRYSTALLIZATION CONDITIONS: 20% PEG 3350, 100 MM NACL, 100 MM REMARK 280 HEPES PH 7.0

REMARK 290 REMARK 290 CRYSTALLOGRAPHIC SYMMETRY REMARK 290 SYMMETRY OPERATORS FOR SPACE GROUP: P 1 21 1 REMARK 290 REMARK 290 SYMOP SYMMETRY REMARK 290 NNNMMM OPERATOR REMARK 290 1555 X,Y,Z REMARK 290 2555 -X,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 46.82200 REMARK 290 SMTRY3 2 0.000000 0.000000 -1.000000 0.00000 REMARK 290 REMARK 290 REMARK: NULL

REMARK 300 REMARK 300 BIOMOLECULE: 1, 2, 3, 4 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 350 REMARK 350 BIOMOLECULE: 3 REMARK 350 AUTHOR DETERMINED BIOLOGICAL UNIT: MONOMERIC REMARK 350 APPLY THE FOLLOWING TO CHAINS: C 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: 4 REMARK 350 AUTHOR DETERMINED BIOLOGICAL UNIT: MONOMERIC REMARK 350 APPLY THE FOLLOWING TO CHAINS: D 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: 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 LEU A 325 CA - CB - CG ANGL. DEV. = 19.9 DEGREES REMARK 500 LEU B 825 CA - CB - CG ANGL. DEV. = 17.3 DEGREES REMARK 500 LEU C1325 CA - CB - CG ANGL. DEV. = 18.1 DEGREES REMARK 500 LEU D1825 CA - CB - CG ANGL. DEV. = 19.9 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 ASN A 8 54.23 -90.13 REMARK 500 LEU A 56 -130.92 -130.31 REMARK 500 ASN A 118 26.89 49.99 REMARK 500 GLN A 174 -6.46 71.56 REMARK 500 THR A 176 -44.41 77.61 REMARK 500 HIS A 238 -88.19 78.60 REMARK 500 ASP A 295 -74.00 73.01 REMARK 500 MET A 315 -20.15 73.70 REMARK 500 PHE A 334 34.21 -92.53 REMARK 500 LEU B 556 -117.69 -122.02 REMARK 500 ASN B 618 8.20 59.98 REMARK 500 GLU B 621 129.06 -39.80 REMARK 500 GLN B 674 -7.90 68.48 REMARK 500 THR B 676 -43.71 78.83 REMARK 500 HIS B 738 -89.67 76.73 REMARK 500 ASP B 795 -76.35 74.64 REMARK 500 MET B 815 -13.22 82.55 REMARK 500 ALA C1021 55.70 -146.49 REMARK 500 LEU C1056 -110.42 -132.23 REMARK 500 GLN C1174 -6.72 67.50 REMARK 500 THR C1176 -44.75 77.68 REMARK 500 ILE C1188 91.89 -66.57 REMARK 500 GLU C1217 -70.61 -72.70 REMARK 500 ILE C1230 -62.46 -96.92 REMARK 500 HIS C1238 -91.06 84.20 REMARK 500 PRO C1274 -2.49 -59.36 REMARK 500 ASP C1295 -74.89 72.10 REMARK 500 MET C1315 -20.65 66.88 REMARK 500 LEU D1556 -121.26 -126.59 REMARK 500 GLN D1674 -10.89 69.44 REMARK 500 THR D1676 -44.29 78.48 REMARK 500 ALA D1683 -165.89 -127.28 REMARK 500 ILE D1730 -62.70 -90.50 REMARK 500 HIS D1738 -85.15 82.77 REMARK 500 ASP D1795 -73.89 74.35 REMARK 500 MET D1815 -9.39 83.41 REMARK 500 REMARK 500 REMARK: NULL

REMARK 525 REMARK 525 SOLVENT REMARK 525 REMARK 525 THE SOLVENT MOLECULES HAVE CHAIN IDENTIFIERS THAT REMARK 525 INDICATE THE POLYMER CHAIN WITH WHICH THEY ARE MOST REMARK 525 CLOSELY ASSOCIATED. THE REMARK LISTS ALL THE SOLVENT REMARK 525 MOLECULES WHICH ARE MORE THAN 5A AWAY FROM THE REMARK 525 NEAREST POLYMER CHAIN (M = MODEL NUMBER; REMARK 525 RES=RESIDUE NAME; C=CHAIN IDENTIFIER; SSEQ=SEQUENCE REMARK 525 NUMBER; I=INSERTION CODE): REMARK 525 REMARK 525 M RES CSSEQI REMARK 525 HOH A2041 DISTANCE = 7.55 ANGSTROMS REMARK 525 HOH C2075 DISTANCE = 6.50 ANGSTROMS REMARK 525 HOH B2100 DISTANCE = 5.55 ANGSTROMS REMARK 525 HOH C2155 DISTANCE = 10.03 ANGSTROMS REMARK 525 HOH D2019 DISTANCE = 5.30 ANGSTROMS REMARK 525 HOH A2054 DISTANCE = 5.04 ANGSTROMS REMARK 525 HOH A2058 DISTANCE = 11.34 ANGSTROMS REMARK 525 HOH A2059 DISTANCE = 5.63 ANGSTROMS REMARK 525 HOH A2060 DISTANCE = 6.12 ANGSTROMS REMARK 525 HOH C2165 DISTANCE = 7.01 ANGSTROMS REMARK 525 HOH C2171 DISTANCE = 6.96 ANGSTROMS REMARK 525 HOH D2038 DISTANCE = 9.89 ANGSTROMS REMARK 525 HOH D2193 DISTANCE = 7.34 ANGSTROMS REMARK 525 HOH C2183 DISTANCE = 6.92 ANGSTROMS REMARK 525 HOH A2092 DISTANCE = 6.07 ANGSTROMS REMARK 525 HOH D2202 DISTANCE = 7.23 ANGSTROMS REMARK 525 HOH C2244 DISTANCE = 5.30 ANGSTROMS REMARK 525 HOH A2276 DISTANCE = 13.40 ANGSTROMS REMARK 525 HOH B2265 DISTANCE = 5.26 ANGSTROMS REMARK 525 HOH C2301 DISTANCE = 8.25 ANGSTROMS REMARK 525 HOH C2326 DISTANCE = 6.95 ANGSTROMS REMARK 525 HOH A2297 DISTANCE = 9.54 ANGSTROMS REMARK 525 HOH A2303 DISTANCE = 8.03 ANGSTROMS REMARK 525 HOH B2319 DISTANCE = 7.06 ANGSTROMS REMARK 525 HOH B2346 DISTANCE = 6.96 ANGSTROMS REMARK 525 HOH D2323 DISTANCE = 6.78 ANGSTROMS REMARK 525 HOH A2381 DISTANCE = 5.46 ANGSTROMS REMARK 525 HOH D2328 DISTANCE = 5.80 ANGSTROMS REMARK 525 HOH B2408 DISTANCE = 6.63 ANGSTROMS REMARK 525 HOH C2463 DISTANCE = 9.57 ANGSTROMS REMARK 525 HOH B2414 DISTANCE = 6.39 ANGSTROMS REMARK 525 HOH A2416 DISTANCE = 5.83 ANGSTROMS REMARK 525 HOH C2493 DISTANCE = 6.58 ANGSTROMS REMARK 525 HOH C2505 DISTANCE = 6.20 ANGSTROMS REMARK 525 HOH A2438 DISTANCE = 11.11 ANGSTROMS REMARK 525 HOH C2508 DISTANCE = 7.17 ANGSTROMS REMARK 525 HOH C2509 DISTANCE = 9.64 ANGSTROMS REMARK 525 HOH A2446 DISTANCE = 11.32 ANGSTROMS REMARK 525 HOH C2519 DISTANCE = 8.20 ANGSTROMS REMARK 525 HOH D2422 DISTANCE = 6.80 ANGSTROMS REMARK 525 HOH C2523 DISTANCE = 5.25 ANGSTROMS REMARK 525 HOH D2439 DISTANCE = 10.33 ANGSTROMS REMARK 525 HOH C2532 DISTANCE = 8.63 ANGSTROMS REMARK 525 HOH C2540 DISTANCE = 6.72 ANGSTROMS REMARK 525 HOH D2444 DISTANCE = 9.17 ANGSTROMS REMARK 525 HOH B2487 DISTANCE = 6.31 ANGSTROMS REMARK 525 HOH C2566 DISTANCE = 7.66 ANGSTROMS REMARK 525 HOH D2453 DISTANCE = 11.45 ANGSTROMS REMARK 525 HOH B2497 DISTANCE = 7.27 ANGSTROMS REMARK 525 HOH B2498 DISTANCE = 10.25 ANGSTROMS REMARK 525 HOH B2513 DISTANCE = 9.25 ANGSTROMS REMARK 525 HOH A2510 DISTANCE = 11.99 ANGSTROMS REMARK 525 HOH B2530 DISTANCE = 6.26 ANGSTROMS REMARK 525 HOH C2637 DISTANCE = 11.48 ANGSTROMS REMARK 525 HOH A2517 DISTANCE = 5.16 ANGSTROMS REMARK 525 HOH B2536 DISTANCE = 9.37 ANGSTROMS REMARK 525 HOH A2521 DISTANCE = 7.54 ANGSTROMS REMARK 525 HOH A2526 DISTANCE = 9.77 ANGSTROMS REMARK 525 HOH D2500 DISTANCE = 7.87 ANGSTROMS REMARK 525 HOH A2528 DISTANCE = 6.23 ANGSTROMS REMARK 525 HOH B2543 DISTANCE = 9.29 ANGSTROMS REMARK 525 HOH C2678 DISTANCE = 9.89 ANGSTROMS REMARK 525 HOH D2504 DISTANCE = 10.38 ANGSTROMS REMARK 525 HOH A2539 DISTANCE = 9.60 ANGSTROMS REMARK 525 HOH C2683 DISTANCE = 8.49 ANGSTROMS REMARK 525 HOH D2518 DISTANCE = 11.59 ANGSTROMS REMARK 525 HOH A2547 DISTANCE = 9.54 ANGSTROMS REMARK 525 HOH B2554 DISTANCE = 7.95 ANGSTROMS REMARK 525 HOH B2557 DISTANCE = 12.70 ANGSTROMS REMARK 525 HOH D2524 DISTANCE = 6.87 ANGSTROMS REMARK 525 HOH B2559 DISTANCE = 9.49 ANGSTROMS REMARK 525 HOH C2690 DISTANCE = 9.35 ANGSTROMS REMARK 525 HOH D2529 DISTANCE = 9.77 ANGSTROMS REMARK 525 HOH C2703 DISTANCE = 13.45 ANGSTROMS REMARK 525 HOH D2534 DISTANCE = 9.84 ANGSTROMS REMARK 525 HOH D2535 DISTANCE = 5.14 ANGSTROMS REMARK 525 HOH D2541 DISTANCE = 7.23 ANGSTROMS REMARK 525 HOH A2570 DISTANCE = 13.97 ANGSTROMS REMARK 525 HOH D2546 DISTANCE = 8.94 ANGSTROMS REMARK 525 HOH A2574 DISTANCE = 8.60 ANGSTROMS REMARK 525 HOH D2549 DISTANCE = 9.84 ANGSTROMS REMARK 525 HOH B2590 DISTANCE = 6.12 ANGSTROMS REMARK 525 HOH C2748 DISTANCE = 6.70 ANGSTROMS REMARK 525 HOH D2567 DISTANCE = 7.92 ANGSTROMS REMARK 525 HOH A2595 DISTANCE = 7.70 ANGSTROMS REMARK 525 HOH D2577 DISTANCE = 8.60 ANGSTROMS REMARK 525 HOH A2601 DISTANCE = 14.54 ANGSTROMS REMARK 525 HOH B2622 DISTANCE = 10.98 ANGSTROMS REMARK 525 HOH C2766 DISTANCE = 7.28 ANGSTROMS REMARK 525 HOH B2624 DISTANCE = 7.94 ANGSTROMS REMARK 525 HOH D2593 DISTANCE = 8.93 ANGSTROMS REMARK 525 HOH B2632 DISTANCE = 9.22 ANGSTROMS REMARK 525 HOH D2596 DISTANCE = 10.36 ANGSTROMS REMARK 525 HOH B2642 DISTANCE = 10.74 ANGSTROMS REMARK 525 HOH C2786 DISTANCE = 6.85 ANGSTROMS REMARK 525 HOH A2617 DISTANCE = 7.76 ANGSTROMS REMARK 525 HOH D2604 DISTANCE = 7.41 ANGSTROMS REMARK 525 HOH A2619 DISTANCE = 16.50 ANGSTROMS REMARK 525 HOH D2607 DISTANCE = 7.46 ANGSTROMS REMARK 525 HOH A2626 DISTANCE = 9.67 ANGSTROMS REMARK 525 HOH D2613 DISTANCE = 7.34 ANGSTROMS REMARK 525 HOH D2615 DISTANCE = 11.63 ANGSTROMS REMARK 525 HOH B2714 DISTANCE = 12.38 ANGSTROMS REMARK 525 HOH A2641 DISTANCE = 10.46 ANGSTROMS REMARK 525 HOH D2629 DISTANCE = 5.46 ANGSTROMS REMARK 525 HOH D2631 DISTANCE = 5.44 ANGSTROMS REMARK 525 HOH A2647 DISTANCE = 6.00 ANGSTROMS REMARK 525 HOH A2648 DISTANCE = 7.66 ANGSTROMS REMARK 525 HOH B2732 DISTANCE = 6.19 ANGSTROMS REMARK 525 HOH A2649 DISTANCE = 8.46 ANGSTROMS REMARK 525 HOH B2744 DISTANCE = 6.03 ANGSTROMS REMARK 525 HOH D2653 DISTANCE = 16.91 ANGSTROMS REMARK 525 HOH A2663 DISTANCE = 9.05 ANGSTROMS REMARK 525 HOH A2667 DISTANCE = 18.05 ANGSTROMS REMARK 525 HOH B2752 DISTANCE = 9.46 ANGSTROMS REMARK 525 HOH D2666 DISTANCE = 8.66 ANGSTROMS REMARK 525 HOH A2673 DISTANCE = 7.40 ANGSTROMS REMARK 525 HOH A2675 DISTANCE = 6.55 ANGSTROMS REMARK 525 HOH A2686 DISTANCE = 7.32 ANGSTROMS REMARK 525 HOH B2776 DISTANCE = 7.79 ANGSTROMS REMARK 525 HOH D2680 DISTANCE = 6.19 ANGSTROMS REMARK 525 HOH D2681 DISTANCE = 6.93 ANGSTROMS REMARK 525 HOH D2688 DISTANCE = 12.32 ANGSTROMS REMARK 525 HOH B2788 DISTANCE = 8.38 ANGSTROMS REMARK 525 HOH B2793 DISTANCE = 7.72 ANGSTROMS REMARK 525 HOH A2704 DISTANCE = 7.33 ANGSTROMS REMARK 525 HOH A2706 DISTANCE = 7.45 ANGSTROMS REMARK 525 HOH D2698 DISTANCE = 8.00 ANGSTROMS REMARK 525 HOH A2727 DISTANCE = 6.84 ANGSTROMS REMARK 525 HOH D2701 DISTANCE = 6.65 ANGSTROMS REMARK 525 HOH D2707 DISTANCE = 7.39 ANGSTROMS REMARK 525 HOH A2734 DISTANCE = 11.48 ANGSTROMS REMARK 525 HOH D2708 DISTANCE = 14.85 ANGSTROMS REMARK 525 HOH A2736 DISTANCE = 10.85 ANGSTROMS REMARK 525 HOH A2738 DISTANCE = 5.43 ANGSTROMS REMARK 525 HOH D2712 DISTANCE = 7.35 ANGSTROMS REMARK 525 HOH A2741 DISTANCE = 10.81 ANGSTROMS REMARK 525 HOH D2721 DISTANCE = 5.39 ANGSTROMS REMARK 525 HOH D2722 DISTANCE = 9.84 ANGSTROMS REMARK 525 HOH A2746 DISTANCE = 8.76 ANGSTROMS REMARK 525 HOH A2747 DISTANCE = 7.78 ANGSTROMS REMARK 525 HOH A2754 DISTANCE = 9.99 ANGSTROMS REMARK 525 HOH A2770 DISTANCE = 8.48 ANGSTROMS REMARK 525 HOH D2763 DISTANCE = 10.20 ANGSTROMS REMARK 525 HOH D2781 DISTANCE = 6.29 ANGSTROMS REMARK 525 HOH A2777 DISTANCE = 7.60 ANGSTROMS REMARK 525 HOH A2782 DISTANCE = 11.53 ANGSTROMS REMARK 525 HOH A2783 DISTANCE = 5.28 ANGSTROMS REMARK 525 HOH A2806 DISTANCE = 8.17 ANGSTROMS REMARK 525 HOH D3027 DISTANCE = 5.72 ANGSTROMS REMARK 525 HOH A2810 DISTANCE = 7.48 ANGSTROMS REMARK 525 HOH A2811 DISTANCE = 5.32 ANGSTROMS REMARK 525 HOH A2821 DISTANCE = 6.42 ANGSTROMS REMARK 525 HOH A2822 DISTANCE = 5.16 ANGSTROMS REMARK 525 HOH C3050 DISTANCE = 12.41 ANGSTROMS REMARK 525 HOH A2829 DISTANCE = 5.75 ANGSTROMS REMARK 525 HOH C3062 DISTANCE = 6.57 ANGSTROMS REMARK 525 HOH C3071 DISTANCE = 7.18 ANGSTROMS REMARK 525 HOH B2984 DISTANCE = 5.52 ANGSTROMS

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 D1900 ZN REMARK 620 N RES CSSEQI ATOM REMARK 620 1 ASP D1795 OD1 REMARK 620 2 PRH D1854 O6 74.5 REMARK 620 3 HIS D1517 NE2 104.5 113.7 REMARK 620 4 HIS D1714 NE2 173.2 108.0 80.5 REMARK 620 5 HIS D1515 NE2 85.4 113.8 132.3 87.9 REMARK 620 N 1 2 3 4 REMARK 620 REMARK 620 COORDINATION ANGLES FOR: M RES CSSEQI METAL REMARK 620 ZN C1400 ZN REMARK 620 N RES CSSEQI ATOM REMARK 620 1 ASP C1295 OD1 REMARK 620 2 PRH C1354 O6 78.6 REMARK 620 3 HIS C1214 NE2 173.3 95.1 REMARK 620 4 HIS C1015 NE2 93.9 113.5 86.5 REMARK 620 N 1 2 3 REMARK 620 REMARK 620 COORDINATION ANGLES FOR: M RES CSSEQI METAL REMARK 620 ZN B 900 ZN REMARK 620 N RES CSSEQI ATOM REMARK 620 1 HIS B 517 NE2 REMARK 620 2 ASP B 795 OD1 95.8 REMARK 620 3 PRH B 854 O6 127.3 76.9 REMARK 620 4 HIS B 714 NE2 93.8 170.4 96.4 REMARK 620 5 HIS B 515 NE2 115.7 78.0 113.5 98.7 REMARK 620 N 1 2 3 4 REMARK 620 REMARK 620 COORDINATION ANGLES FOR: M RES CSSEQI METAL REMARK 620 ZN A 400 ZN REMARK 620 N RES CSSEQI ATOM REMARK 620 1 HIS A 17 NE2 REMARK 620 2 ASP A 295 OD1 95.6 REMARK 620 3 PRH A 354 O6 132.5 78.7 REMARK 620 4 HIS A 15 NE2 113.6 82.0 112.2 REMARK 620 5 HIS A 214 NE2 92.9 169.8 99.7 89.4 REMARK 620 N 1 2 3 4

REMARK 800 REMARK 800 SITE REMARK 800 SITE_IDENTIFIER: CIA REMARK 800 EVIDENCE_CODE: UNKNOWN REMARK 800 SITE_DESCRIPTION: THE SITE BINDS ADENOSINE AND CONVERT IT TO REMARK 800 INOSINE AND AMMONIAGENE. REMARK 800 SITE_IDENTIFIER: CIB REMARK 800 EVIDENCE_CODE: UNKNOWN REMARK 800 SITE_DESCRIPTION: THE SITE BINDS ADENOSINE AND CONVERT IT TO REMARK 800 INOSINE AND AMMONIAGENE. REMARK 800 SITE_IDENTIFIER: CIC REMARK 800 EVIDENCE_CODE: UNKNOWN REMARK 800 SITE_DESCRIPTION: THE SITE BINDS ADENOSINE AND CONVERT IT TO REMARK 800 INOSINE AND AMMONIAGENE. REMARK 800 SITE_IDENTIFIER: CID REMARK 800 EVIDENCE_CODE: UNKNOWN REMARK 800 SITE_DESCRIPTION: THE SITE BINDS ADENOSINE AND CONVERT IT TO REMARK 800 INOSINE AND AMMONIAGENE. REMARK 800 SITE_IDENTIFIER: AC1 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE ZN D 1900 REMARK 800 SITE_IDENTIFIER: AC2 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE ZN C 1400 REMARK 800 SITE_IDENTIFIER: AC3 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE ZN B 900 REMARK 800 SITE_IDENTIFIER: AC4 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE ZN A 400 REMARK 800 SITE_IDENTIFIER: AC5 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE PRH A 354 REMARK 800 SITE_IDENTIFIER: AC6 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE PRH B 854 REMARK 800 SITE_IDENTIFIER: AC7 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE PRH C 1354 REMARK 800 SITE_IDENTIFIER: AC8 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE PRH D 1854

DBREF 1A4M A 4 352 UNP P03958 ADA_MOUSE 4 352 DBREF 1A4M B 504 852 UNP P03958 ADA_MOUSE 4 352 DBREF 1A4M C 1004 1352 UNP P03958 ADA_MOUSE 4 352 DBREF 1A4M D 1504 1852 UNP P03958 ADA_MOUSE 4 352

SEQRES 1 A 349 THR PRO ALA PHE ASN LYS PRO LYS VAL GLU LEU HIS VAL SEQRES 2 A 349 HIS LEU ASP GLY ALA ILE LYS PRO GLU THR ILE LEU TYR SEQRES 3 A 349 PHE GLY LYS LYS ARG GLY ILE ALA LEU PRO ALA ASP THR SEQRES 4 A 349 VAL GLU GLU LEU ARG ASN ILE ILE GLY MET ASP LYS PRO SEQRES 5 A 349 LEU SER LEU PRO GLY PHE LEU ALA LYS PHE ASP TYR TYR SEQRES 6 A 349 MET PRO VAL ILE ALA GLY CYS ARG GLU ALA ILE LYS ARG SEQRES 7 A 349 ILE ALA TYR GLU PHE VAL GLU MET LYS ALA LYS GLU GLY SEQRES 8 A 349 VAL VAL TYR VAL GLU VAL ARG TYR SER PRO HIS LEU LEU SEQRES 9 A 349 ALA ASN SER LYS VAL ASP PRO MET PRO TRP ASN GLN THR SEQRES 10 A 349 GLU GLY ASP VAL THR PRO ASP ASP VAL VAL ASP LEU VAL SEQRES 11 A 349 ASN GLN GLY LEU GLN GLU GLY GLU GLN ALA PHE GLY ILE SEQRES 12 A 349 LYS VAL ARG SER ILE LEU CYS CYS MET ARG HIS GLN PRO SEQRES 13 A 349 SER TRP SER LEU GLU VAL LEU GLU LEU CYS LYS LYS TYR SEQRES 14 A 349 ASN GLN LYS THR VAL VAL ALA MET ASP LEU ALA GLY ASP SEQRES 15 A 349 GLU THR ILE GLU GLY SER SER LEU PHE PRO GLY HIS VAL SEQRES 16 A 349 GLU ALA TYR GLU GLY ALA VAL LYS ASN GLY ILE HIS ARG SEQRES 17 A 349 THR VAL HIS ALA GLY GLU VAL GLY SER PRO GLU VAL VAL SEQRES 18 A 349 ARG GLU ALA VAL ASP ILE LEU LYS THR GLU ARG VAL GLY SEQRES 19 A 349 HIS GLY TYR HIS THR ILE GLU ASP GLU ALA LEU TYR ASN SEQRES 20 A 349 ARG LEU LEU LYS GLU ASN MET HIS PHE GLU VAL CYS PRO SEQRES 21 A 349 TRP SER SER TYR LEU THR GLY ALA TRP ASP PRO LYS THR SEQRES 22 A 349 THR HIS ALA VAL VAL ARG PHE LYS ASN ASP LYS ALA ASN SEQRES 23 A 349 TYR SER LEU ASN THR ASP ASP PRO LEU ILE PHE LYS SER SEQRES 24 A 349 THR LEU ASP THR ASP TYR GLN MET THR LYS LYS ASP MET SEQRES 25 A 349 GLY PHE THR GLU GLU GLU PHE LYS ARG LEU ASN ILE ASN SEQRES 26 A 349 ALA ALA LYS SER SER PHE LEU PRO GLU GLU GLU LYS LYS SEQRES 27 A 349 GLU LEU LEU GLU ARG LEU TYR ARG GLU TYR GLN SEQRES 1 B 349 THR PRO ALA PHE ASN LYS PRO LYS VAL GLU LEU HIS VAL SEQRES 2 B 349 HIS LEU ASP GLY ALA ILE LYS PRO GLU THR ILE LEU TYR SEQRES 3 B 349 PHE GLY LYS LYS ARG GLY ILE ALA LEU PRO ALA ASP THR SEQRES 4 B 349 VAL GLU GLU LEU ARG ASN ILE ILE GLY MET ASP LYS PRO SEQRES 5 B 349 LEU SER LEU PRO GLY PHE LEU ALA LYS PHE ASP TYR TYR SEQRES 6 B 349 MET PRO VAL ILE ALA GLY CYS ARG GLU ALA ILE LYS ARG SEQRES 7 B 349 ILE ALA TYR GLU PHE VAL GLU MET LYS ALA LYS GLU GLY SEQRES 8 B 349 VAL VAL TYR VAL GLU VAL ARG TYR SER PRO HIS LEU LEU SEQRES 9 B 349 ALA ASN SER LYS VAL ASP PRO MET PRO TRP ASN GLN THR SEQRES 10 B 349 GLU GLY ASP VAL THR PRO ASP ASP VAL VAL ASP LEU VAL SEQRES 11 B 349 ASN GLN GLY LEU GLN GLU GLY GLU GLN ALA PHE GLY ILE SEQRES 12 B 349 LYS VAL ARG SER ILE LEU CYS CYS MET ARG HIS GLN PRO SEQRES 13 B 349 SER TRP SER LEU GLU VAL LEU GLU LEU CYS LYS LYS TYR SEQRES 14 B 349 ASN GLN LYS THR VAL VAL ALA MET ASP LEU ALA GLY ASP SEQRES 15 B 349 GLU THR ILE GLU GLY SER SER LEU PHE PRO GLY HIS VAL SEQRES 16 B 349 GLU ALA TYR GLU GLY ALA VAL LYS ASN GLY ILE HIS ARG SEQRES 17 B 349 THR VAL HIS ALA GLY GLU VAL GLY SER PRO GLU VAL VAL SEQRES 18 B 349 ARG GLU ALA VAL ASP ILE LEU LYS THR GLU ARG VAL GLY SEQRES 19 B 349 HIS GLY TYR HIS THR ILE GLU ASP GLU ALA LEU TYR ASN SEQRES 20 B 349 ARG LEU LEU LYS GLU ASN MET HIS PHE GLU VAL CYS PRO SEQRES 21 B 349 TRP SER SER TYR LEU THR GLY ALA TRP ASP PRO LYS THR SEQRES 22 B 349 THR HIS ALA VAL VAL ARG PHE LYS ASN ASP LYS ALA ASN SEQRES 23 B 349 TYR SER LEU ASN THR ASP ASP PRO LEU ILE PHE LYS SER SEQRES 24 B 349 THR LEU ASP THR ASP TYR GLN MET THR LYS LYS ASP MET SEQRES 25 B 349 GLY PHE THR GLU GLU GLU PHE LYS ARG LEU ASN ILE ASN SEQRES 26 B 349 ALA ALA LYS SER SER PHE LEU PRO GLU GLU GLU LYS LYS SEQRES 27 B 349 GLU LEU LEU GLU ARG LEU TYR ARG GLU TYR GLN SEQRES 1 C 349 THR PRO ALA PHE ASN LYS PRO LYS VAL GLU LEU HIS VAL SEQRES 2 C 349 HIS LEU ASP GLY ALA ILE LYS PRO GLU THR ILE LEU TYR SEQRES 3 C 349 PHE GLY LYS LYS ARG GLY ILE ALA LEU PRO ALA ASP THR SEQRES 4 C 349 VAL GLU GLU LEU ARG ASN ILE ILE GLY MET ASP LYS PRO SEQRES 5 C 349 LEU SER LEU PRO GLY PHE LEU ALA LYS PHE ASP TYR TYR SEQRES 6 C 349 MET PRO VAL ILE ALA GLY CYS ARG GLU ALA ILE LYS ARG SEQRES 7 C 349 ILE ALA TYR GLU PHE VAL GLU MET LYS ALA LYS GLU GLY SEQRES 8 C 349 VAL VAL TYR VAL GLU VAL ARG TYR SER PRO HIS LEU LEU SEQRES 9 C 349 ALA ASN SER LYS VAL ASP PRO MET PRO TRP ASN GLN THR SEQRES 10 C 349 GLU GLY ASP VAL THR PRO ASP ASP VAL VAL ASP LEU VAL SEQRES 11 C 349 ASN GLN GLY LEU GLN GLU GLY GLU GLN ALA PHE GLY ILE SEQRES 12 C 349 LYS VAL ARG SER ILE LEU CYS CYS MET ARG HIS GLN PRO SEQRES 13 C 349 SER TRP SER LEU GLU VAL LEU GLU LEU CYS LYS LYS TYR SEQRES 14 C 349 ASN GLN LYS THR VAL VAL ALA MET ASP LEU ALA GLY ASP SEQRES 15 C 349 GLU THR ILE GLU GLY SER SER LEU PHE PRO GLY HIS VAL SEQRES 16 C 349 GLU ALA TYR GLU GLY ALA VAL LYS ASN GLY ILE HIS ARG SEQRES 17 C 349 THR VAL HIS ALA GLY GLU VAL GLY SER PRO GLU VAL VAL SEQRES 18 C 349 ARG GLU ALA VAL ASP ILE LEU LYS THR GLU ARG VAL GLY SEQRES 19 C 349 HIS GLY TYR HIS THR ILE GLU ASP GLU ALA LEU TYR ASN SEQRES 20 C 349 ARG LEU LEU LYS GLU ASN MET HIS PHE GLU VAL CYS PRO SEQRES 21 C 349 TRP SER SER TYR LEU THR GLY ALA TRP ASP PRO LYS THR SEQRES 22 C 349 THR HIS ALA VAL VAL ARG PHE LYS ASN ASP LYS ALA ASN SEQRES 23 C 349 TYR SER LEU ASN THR ASP ASP PRO LEU ILE PHE LYS SER SEQRES 24 C 349 THR LEU ASP THR ASP TYR GLN MET THR LYS LYS ASP MET SEQRES 25 C 349 GLY PHE THR GLU GLU GLU PHE LYS ARG LEU ASN ILE ASN SEQRES 26 C 349 ALA ALA LYS SER SER PHE LEU PRO GLU GLU GLU LYS LYS SEQRES 27 C 349 GLU LEU LEU GLU ARG LEU TYR ARG GLU TYR GLN SEQRES 1 D 349 THR PRO ALA PHE ASN LYS PRO LYS VAL GLU LEU HIS VAL SEQRES 2 D 349 HIS LEU ASP GLY ALA ILE LYS PRO GLU THR ILE LEU TYR SEQRES 3 D 349 PHE GLY LYS LYS ARG GLY ILE ALA LEU PRO ALA ASP THR SEQRES 4 D 349 VAL GLU GLU LEU ARG ASN ILE ILE GLY MET ASP LYS PRO SEQRES 5 D 349 LEU SER LEU PRO GLY PHE LEU ALA LYS PHE ASP TYR TYR SEQRES 6 D 349 MET PRO VAL ILE ALA GLY CYS ARG GLU ALA ILE LYS ARG SEQRES 7 D 349 ILE ALA TYR GLU PHE VAL GLU MET LYS ALA LYS GLU GLY SEQRES 8 D 349 VAL VAL TYR VAL GLU VAL ARG TYR SER PRO HIS LEU LEU SEQRES 9 D 349 ALA ASN SER LYS VAL ASP PRO MET PRO TRP ASN GLN THR SEQRES 10 D 349 GLU GLY ASP VAL THR PRO ASP ASP VAL VAL ASP LEU VAL SEQRES 11 D 349 ASN GLN GLY LEU GLN GLU GLY GLU GLN ALA PHE GLY ILE SEQRES 12 D 349 LYS VAL ARG SER ILE LEU CYS CYS MET ARG HIS GLN PRO SEQRES 13 D 349 SER TRP SER LEU GLU VAL LEU GLU LEU CYS LYS LYS TYR SEQRES 14 D 349 ASN GLN LYS THR VAL VAL ALA MET ASP LEU ALA GLY ASP SEQRES 15 D 349 GLU THR ILE GLU GLY SER SER LEU PHE PRO GLY HIS VAL SEQRES 16 D 349 GLU ALA TYR GLU GLY ALA VAL LYS ASN GLY ILE HIS ARG SEQRES 17 D 349 THR VAL HIS ALA GLY GLU VAL GLY SER PRO GLU VAL VAL SEQRES 18 D 349 ARG GLU ALA VAL ASP ILE LEU LYS THR GLU ARG VAL GLY SEQRES 19 D 349 HIS GLY TYR HIS THR ILE GLU ASP GLU ALA LEU TYR ASN SEQRES 20 D 349 ARG LEU LEU LYS GLU ASN MET HIS PHE GLU VAL CYS PRO SEQRES 21 D 349 TRP SER SER TYR LEU THR GLY ALA TRP ASP PRO LYS THR SEQRES 22 D 349 THR HIS ALA VAL VAL ARG PHE LYS ASN ASP LYS ALA ASN SEQRES 23 D 349 TYR SER LEU ASN THR ASP ASP PRO LEU ILE PHE LYS SER SEQRES 24 D 349 THR LEU ASP THR ASP TYR GLN MET THR LYS LYS ASP MET SEQRES 25 D 349 GLY PHE THR GLU GLU GLU PHE LYS ARG LEU ASN ILE ASN SEQRES 26 D 349 ALA ALA LYS SER SER PHE LEU PRO GLU GLU GLU LYS LYS SEQRES 27 D 349 GLU LEU LEU GLU ARG LEU TYR ARG GLU TYR GLN

HET ZN D1900 1 HET ZN C1400 1 HET ZN B 900 1 HET ZN A 400 1 HET PRH A 354 19 HET PRH B 854 19 HET PRH C1354 19 HET PRH D1854 19

HETNAM ZN ZINC ION HETNAM PRH 6-HYDROXY-1,6-DIHYDRO PURINE NUCLEOSIDE

FORMUL 5 ZN 4(ZN 2+) FORMUL 9 PRH 4(C10 H15 N4 O5 1+) FORMUL 13 HOH *1065(H2 O)

HELIX 1 1 LEU A 18 GLY A 20 5 3 HELIX 2 2 PRO A 24 ARG A 34 1 11 HELIX 3 3 VAL A 43 ILE A 50 1 8 HELIX 4 4 LEU A 58 ILE A 72 1 15 HELIX 5 5 ARG A 76 GLU A 93 1 18 HELIX 6 6 HIS A 105 LEU A 107 5 3 HELIX 7 7 PRO A 116 ASN A 118 5 3 HELIX 8 8 PRO A 126 PHE A 144 1 19 HELIX 9 9 PRO A 159 LYS A 171 5 13 HELIX 10 10 SER A 191 LEU A 193 5 3 HELIX 11 11 PRO A 195 ASN A 207 1 13 HELIX 12 12 PRO A 221 ASP A 229 1 9 HELIX 13 13 TYR A 240 GLU A 244 5 5 HELIX 14 14 GLU A 246 LYS A 254 1 9 HELIX 15 15 PRO A 263 LEU A 268 1 6 HELIX 16 16 ALA A 279 ASN A 285 1 7 HELIX 17 17 LEU A 304 LYS A 313 1 10 HELIX 18 18 GLU A 319 LYS A 331 1 13 HELIX 19 19 GLU A 337 GLU A 350 1 14 HELIX 20 20 LEU B 518 GLY B 520 5 3 HELIX 21 21 PRO B 524 ARG B 534 1 11 HELIX 22 22 VAL B 543 ILE B 550 1 8 HELIX 23 23 LEU B 558 ILE B 572 1 15 HELIX 24 24 ARG B 576 GLU B 593 1 18 HELIX 25 25 HIS B 605 LEU B 607 5 3 HELIX 26 26 PRO B 616 ASN B 618 5 3 HELIX 27 27 PRO B 626 PHE B 644 1 19 HELIX 28 28 PRO B 659 LYS B 671 5 13 HELIX 29 29 SER B 691 LEU B 693 5 3 HELIX 30 30 PRO B 695 LYS B 706 1 12 HELIX 31 31 PRO B 721 ASP B 729 1 9 HELIX 32 32 TYR B 740 GLU B 744 5 5 HELIX 33 33 GLU B 746 LYS B 754 1 9 HELIX 34 34 PRO B 763 LEU B 768 1 6 HELIX 35 35 ALA B 779 ASN B 785 1 7 HELIX 36 36 LEU B 804 LYS B 813 1 10 HELIX 37 37 GLU B 819 SER B 832 1 14 HELIX 38 38 GLU B 837 GLU B 850 1 14 HELIX 39 39 LEU C 1018 GLY C 1020 5 3 HELIX 40 40 PRO C 1024 ARG C 1034 1 11 HELIX 41 41 VAL C 1043 ILE C 1050 1 8 HELIX 42 42 LEU C 1058 ILE C 1072 1 15 HELIX 43 43 ARG C 1076 GLU C 1093 1 18 HELIX 44 44 HIS C 1105 LEU C 1107 5 3 HELIX 45 45 PRO C 1116 ASN C 1118 5 3 HELIX 46 46 PRO C 1126 PHE C 1144 1 19 HELIX 47 47 PRO C 1159 LYS C 1171 1 13 HELIX 48 48 SER C 1191 LEU C 1193 5 3 HELIX 49 49 PRO C 1195 ASN C 1207 1 13 HELIX 50 50 PRO C 1221 ASP C 1229 1 9 HELIX 51 51 TYR C 1240 GLU C 1244 5 5 HELIX 52 52 GLU C 1246 LYS C 1254 1 9 HELIX 53 53 PRO C 1263 LEU C 1268 1 6 HELIX 54 54 ALA C 1279 ASN C 1285 1 7 HELIX 55 55 LEU C 1304 LYS C 1313 1 10 HELIX 56 56 GLU C 1319 LYS C 1331 1 13 HELIX 57 57 GLU C 1337 GLU C 1350 1 14 HELIX 58 58 LEU D 1518 GLY D 1520 5 3 HELIX 59 59 PRO D 1524 ARG D 1534 1 11 HELIX 60 60 VAL D 1543 ILE D 1550 1 8 HELIX 61 61 LEU D 1558 ILE D 1572 1 15 HELIX 62 62 ARG D 1576 LYS D 1592 1 17 HELIX 63 63 PRO D 1604 LEU D 1607 5 4 HELIX 64 64 PRO D 1616 ASN D 1618 5 3 HELIX 65 65 PRO D 1626 PHE D 1644 1 19 HELIX 66 66 PRO D 1659 LYS D 1671 1 13 HELIX 67 67 SER D 1691 LEU D 1693 5 3 HELIX 68 68 PRO D 1695 ASN D 1707 1 13 HELIX 69 69 PRO D 1721 ASP D 1729 1 9 HELIX 70 70 TYR D 1740 GLU D 1744 5 5 HELIX 71 71 GLU D 1746 LYS D 1754 1 9 HELIX 72 72 PRO D 1763 LEU D 1768 1 6 HELIX 73 73 ALA D 1779 ASN D 1785 1 7 HELIX 74 74 LEU D 1804 LYS D 1813 1 10 HELIX 75 75 GLU D 1819 LYS D 1831 1 13 HELIX 76 76 GLU D 1837 GLU D 1850 1 14

SHEET 1 A 4 LYS A 11 GLU A 13 0 SHEET 2 A 4 VAL A 95 TYR A 102 1 N VAL A 96 O LYS A 11 SHEET 3 A 4 LYS A 147 MET A 155 1 N LYS A 147 O VAL A 98 SHEET 4 A 4 VAL A 177 ALA A 183 1 N VAL A 178 O SER A 150 SHEET 1 B 4 THR A 212 ALA A 215 0 SHEET 2 B 4 ARG A 235 HIS A 238 1 N ARG A 235 O VAL A 213 SHEET 3 B 4 HIS A 258 VAL A 261 1 N HIS A 258 O VAL A 236 SHEET 4 B 4 TYR A 290 LEU A 292 1 N SER A 291 O PHE A 259 SHEET 1 C 4 LYS B 511 GLU B 513 0 SHEET 2 C 4 VAL B 595 TYR B 602 1 N VAL B 596 O LYS B 511 SHEET 3 C 4 LYS B 647 MET B 655 1 N LYS B 647 O VAL B 598 SHEET 4 C 4 VAL B 677 ALA B 683 1 N VAL B 678 O SER B 650 SHEET 1 D 4 THR B 712 ALA B 715 0 SHEET 2 D 4 ARG B 735 HIS B 738 1 N ARG B 735 O VAL B 713 SHEET 3 D 4 HIS B 758 VAL B 761 1 N HIS B 758 O VAL B 736 SHEET 4 D 4 ASN B 789 LEU B 792 1 N ASN B 789 O PHE B 759 SHEET 1 E 4 LYS C1011 GLU C1013 0 SHEET 2 E 4 VAL C1095 TYR C1102 1 N VAL C1096 O LYS C1011 SHEET 3 E 4 LYS C1147 MET C1155 1 N LYS C1147 O VAL C1098 SHEET 4 E 4 VAL C1177 ALA C1183 1 N VAL C1178 O SER C1150 SHEET 1 F 4 THR C1212 ALA C1215 0 SHEET 2 F 4 ARG C1235 HIS C1238 1 N ARG C1235 O VAL C1213 SHEET 3 F 4 HIS C1258 VAL C1261 1 N HIS C1258 O VAL C1236 SHEET 4 F 4 ASN C1289 LEU C1292 1 N ASN C1289 O PHE C1259 SHEET 1 G 4 LYS D1511 GLU D1513 0 SHEET 2 G 4 VAL D1595 TYR D1602 1 N VAL D1596 O LYS D1511 SHEET 3 G 4 LYS D1647 MET D1655 1 N LYS D1647 O VAL D1598 SHEET 4 G 4 VAL D1677 ALA D1683 1 N VAL D1678 O SER D1650 SHEET 1 H 4 THR D1712 ALA D1715 0 SHEET 2 H 4 ARG D1735 HIS D1738 1 N ARG D1735 O VAL D1713 SHEET 3 H 4 HIS D1758 VAL D1761 1 N HIS D1758 O VAL D1736 SHEET 4 H 4 ASN D1789 LEU D1792 1 N ASN D1789 O PHE D1759

LINK ZN ZN D1900 OD1 ASP D1795 1555 1555 2.37 LINK ZN ZN D1900 O6 PRH D1854 1555 1555 2.17 LINK ZN ZN C1400 OD1 ASP C1295 1555 1555 2.27 LINK ZN ZN C1400 O6 PRH C1354 1555 1555 2.15 LINK ZN ZN B 900 NE2 HIS B 517 1555 1555 2.33 LINK ZN ZN B 900 OD1 ASP B 795 1555 1555 2.33 LINK ZN ZN B 900 O6 PRH B 854 1555 1555 2.20 LINK ZN ZN A 400 NE2 HIS A 17 1555 1555 2.24 LINK ZN ZN A 400 OD1 ASP A 295 1555 1555 2.39 LINK ZN ZN A 400 O6 PRH A 354 1555 1555 2.07 LINK ZN ZN A 400 NE2 HIS A 15 1555 1555 2.44 LINK ZN ZN A 400 NE2 HIS A 214 1555 1555 2.46 LINK ZN ZN B 900 NE2 HIS B 714 1555 1555 2.47 LINK ZN ZN B 900 NE2 HIS B 515 1555 1555 2.59 LINK ZN ZN C1400 NE2 HIS C1214 1555 1555 2.61 LINK ZN ZN C1400 NE2 HIS C1015 1555 1555 2.44 LINK ZN ZN D1900 NE2 HIS D1517 1555 1555 2.57 LINK ZN ZN D1900 NE2 HIS D1714 1555 1555 2.62 LINK ZN ZN D1900 NE2 HIS D1515 1555 1555 2.50

CISPEP 1 ASP A 113 PRO A 114 0 -0.39 CISPEP 2 ASP B 613 PRO B 614 0 -0.20 CISPEP 3 ASP C 1113 PRO C 1114 0 -0.13 CISPEP 4 ASP D 1613 PRO D 1614 0 -0.26

SITE 1 CIA 9 HIS A 15 HIS A 17 ASP A 19 GLY A 184 SITE 2 CIA 9 HIS A 214 GLU A 217 HIS A 238 ASP A 295 SITE 3 CIA 9 ASP A 296 SITE 1 CIB 9 HIS B 515 HIS B 517 ASP B 519 GLY B 684 SITE 2 CIB 9 HIS B 714 GLU B 717 HIS B 738 ASP B 795 SITE 3 CIB 9 ASP B 796 SITE 1 CIC 9 HIS C1015 HIS C1017 ASP C1019 GLY C1184 SITE 2 CIC 9 HIS C1214 GLU C1217 HIS C1238 ASP C1295 SITE 3 CIC 9 ASP C1296 SITE 1 CID 9 HIS D1515 HIS D1517 ASP D1519 GLY D1684 SITE 2 CID 9 HIS D1714 GLU D1717 HIS D1738 ASP D1795 SITE 3 CID 9 ASP D1796 SITE 1 AC1 5 HIS D1515 HIS D1517 HIS D1714 ASP D1795 SITE 2 AC1 5 PRH D1854 SITE 1 AC2 5 HIS C1015 HIS C1017 HIS C1214 ASP C1295 SITE 2 AC2 5 PRH C1354 SITE 1 AC3 5 HIS B 515 HIS B 517 HIS B 714 ASP B 795 SITE 2 AC3 5 PRH B 854 SITE 1 AC4 5 HIS A 15 HIS A 17 HIS A 214 ASP A 295 SITE 2 AC4 5 PRH A 354 SITE 1 AC5 18 HIS A 17 ASP A 19 PHE A 61 LEU A 62 SITE 2 AC5 18 PHE A 65 TYR A 102 LEU A 106 MET A 155 SITE 3 AC5 18 ALA A 183 GLY A 184 HIS A 214 GLU A 217 SITE 4 AC5 18 HIS A 238 ASP A 295 ASP A 296 ZN A 400 SITE 5 AC5 18 HOH A2348 HOH A2357 SITE 1 AC6 18 HIS B 517 ASP B 519 PHE B 561 LEU B 562 SITE 2 AC6 18 PHE B 565 TYR B 602 SER B 603 LEU B 606 SITE 3 AC6 18 MET B 655 ALA B 683 GLY B 684 HIS B 714 SITE 4 AC6 18 GLU B 717 HIS B 738 ASP B 795 ASP B 796 SITE 5 AC6 18 ZN B 900 HOH B2916 SITE 1 AC7 16 HIS C1017 ASP C1019 PHE C1061 LEU C1062 SITE 2 AC7 16 PHE C1065 TYR C1102 LEU C1106 ALA C1183 SITE 3 AC7 16 GLY C1184 HIS C1214 GLU C1217 HIS C1238 SITE 4 AC7 16 ASP C1295 ASP C1296 ZN C1400 HOH C3013 SITE 1 AC8 17 HIS D1517 ASP D1519 PHE D1561 LEU D1562 SITE 2 AC8 17 PHE D1565 TYR D1602 LEU D1606 MET D1655 SITE 3 AC8 17 ALA D1683 GLY D1684 HIS D1714 GLU D1717 SITE 4 AC8 17 HIS D1738 ASP D1795 ASP D1796 ZN D1900 SITE 5 AC8 17 HOH D3093

CRYST1 88.693 93.644 102.177 90.00 102.84 90.00 P 1 21 1 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 0.011275 0.000000 0.002570 0.00000

SCALE2 0.000000 0.010679 0.000000 0.00000

SCALE3 0.000000 0.000000 0.010038 0.00000