HEADER HYDROLASE 12-NOV-20 7DH1 TITLE THE STRUCTURE OF THE ARABIDOPSIS THALIANA GUANOSINE DEAMINASE IN TITLE 2 REACTION WITH N2-METHYLGUANOSINE COMPND MOL_ID: 1; COMPND 2 MOLECULE: GUANOSINE DEAMINASE; COMPND 3 CHAIN: A, D; COMPND 4 SYNONYM: TRNA-SPECIFIC ADENOSINE DEAMINASE TAD4,ATTAD4; COMPND 5 EC: 3.5.4.15; COMPND 6 ENGINEERED: YES SOURCE MOL_ID: 1; SOURCE 2 ORGANISM_SCIENTIFIC: ARABIDOPSIS THALIANA; SOURCE 3 ORGANISM_COMMON: MOUSE-EAR CRESS; SOURCE 4 ORGANISM_TAXID: 3702; SOURCE 5 GENE: GSDA, TAD4, AT5G28050; SOURCE 6 EXPRESSION_SYSTEM: ESCHERICHIA COLI; SOURCE 7 EXPRESSION_SYSTEM_TAXID: 562 KEYWDS DEAMINATION, GSDA, PURINE METABOLISM, HYDROLASE EXPDTA X-RAY DIFFRACTION AUTHOR W.XIE,Q.JIA,H.ZENG REVDAT 3 29-NOV-23 7DH1 1 REMARK REVDAT 2 15-FEB-23 7DH1 1 JRNL REVDAT 1 02-FEB-22 7DH1 0 JRNL AUTH Q.JIA,J.ZHANG,H.ZENG,J.TANG,N.XIAO,S.GAO,H.LI,W.XIE JRNL TITL SUBSTRATE SPECIFICITY OF GSDA REVEALED BY COCRYSTAL JRNL TITL 2 STRUCTURES AND BINDING STUDIES. JRNL REF INT J MOL SCI V. 23 2022 JRNL REFN ESSN 1422-0067 JRNL PMID 36499303 JRNL DOI 10.3390/IJMS232314976 REMARK 2 REMARK 2 RESOLUTION. 1.85 ANGSTROMS. REMARK 3 REMARK 3 REFINEMENT. REMARK 3 PROGRAM : PHENIX 1.14_3260 REMARK 3 AUTHORS : PAUL ADAMS,PAVEL AFONINE,VINCENT CHEN,IAN REMARK 3 : DAVIS,KRESHNA GOPAL,RALF GROSSE-KUNSTLEVE, REMARK 3 : LI-WEI HUNG,ROBERT IMMORMINO,TOM IOERGER, REMARK 3 : AIRLIE MCCOY,ERIK MCKEE,NIGEL MORIARTY, REMARK 3 : REETAL PAI,RANDY READ,JANE RICHARDSON, REMARK 3 : DAVID RICHARDSON,TOD ROMO,JIM SACCHETTINI, REMARK 3 : NICHOLAS SAUTER,JACOB SMITH,LAURENT REMARK 3 : STORONI,TOM TERWILLIGER,PETER ZWART REMARK 3 REMARK 3 REFINEMENT TARGET : CDL V1.2 REMARK 3 REMARK 3 DATA USED IN REFINEMENT. REMARK 3 RESOLUTION RANGE HIGH (ANGSTROMS) : 1.85 REMARK 3 RESOLUTION RANGE LOW (ANGSTROMS) : 31.35 REMARK 3 MIN(FOBS/SIGMA_FOBS) : 1.380 REMARK 3 COMPLETENESS FOR RANGE (%) : 99.5 REMARK 3 NUMBER OF REFLECTIONS : 27450 REMARK 3 REMARK 3 FIT TO DATA USED IN REFINEMENT. REMARK 3 R VALUE (WORKING + TEST SET) : 0.165 REMARK 3 R VALUE (WORKING SET) : 0.163 REMARK 3 FREE R VALUE : 0.199 REMARK 3 FREE R VALUE TEST SET SIZE (%) : 4.860 REMARK 3 FREE R VALUE TEST SET COUNT : 1333 REMARK 3 REMARK 3 FIT TO DATA USED IN REFINEMENT (IN BINS). REMARK 3 BIN RESOLUTION RANGE COMPL. NWORK NFREE RWORK RFREE REMARK 3 1 31.3500 - 3.9800 1.00 2724 128 0.1447 0.1638 REMARK 3 2 3.9800 - 3.1600 1.00 2660 136 0.1468 0.1756 REMARK 3 3 3.1600 - 2.7600 1.00 2607 150 0.1757 0.2027 REMARK 3 4 2.7600 - 2.5100 1.00 2627 121 0.1783 0.2200 REMARK 3 5 2.5100 - 2.3300 1.00 2576 140 0.1703 0.2457 REMARK 3 6 2.3300 - 2.1900 1.00 2661 112 0.1617 0.2191 REMARK 3 7 2.1900 - 2.0800 1.00 2582 125 0.1674 0.1927 REMARK 3 8 2.0800 - 1.9900 1.00 2644 127 0.1874 0.2524 REMARK 3 9 1.9900 - 1.9200 1.00 2599 136 0.2155 0.2394 REMARK 3 10 1.9200 - 1.8500 0.95 2437 158 0.2358 0.2831 REMARK 3 REMARK 3 BULK SOLVENT MODELLING. REMARK 3 METHOD USED : FLAT BULK SOLVENT MODEL REMARK 3 SOLVENT RADIUS : 1.11 REMARK 3 SHRINKAGE RADIUS : 0.90 REMARK 3 K_SOL : NULL REMARK 3 B_SOL : NULL REMARK 3 REMARK 3 ERROR ESTIMATES. REMARK 3 COORDINATE ERROR (MAXIMUM-LIKELIHOOD BASED) : 0.165 REMARK 3 PHASE ERROR (DEGREES, MAXIMUM-LIKELIHOOD BASED) : 21.311 REMARK 3 REMARK 3 B VALUES. REMARK 3 FROM WILSON PLOT (A**2) : 27.48 REMARK 3 MEAN B VALUE (OVERALL, A**2) : 33.02 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 TWINNING INFORMATION. REMARK 3 FRACTION: NULL REMARK 3 OPERATOR: NULL REMARK 3 REMARK 3 DEVIATIONS FROM IDEAL VALUES. REMARK 3 RMSD COUNT REMARK 3 BOND : 0.014 2464 REMARK 3 ANGLE : 1.252 3332 REMARK 3 CHIRALITY : 0.078 372 REMARK 3 PLANARITY : 0.009 430 REMARK 3 DIHEDRAL : 5.843 1454 REMARK 3 REMARK 3 TLS DETAILS REMARK 3 NUMBER OF TLS GROUPS : NULL REMARK 3 REMARK 3 NCS DETAILS REMARK 3 NUMBER OF NCS GROUPS : NULL REMARK 3 REMARK 3 OTHER REFINEMENT REMARKS: NULL REMARK 4 REMARK 4 7DH1 COMPLIES WITH FORMAT V. 3.30, 13-JUL-11 REMARK 100 REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY PDBJ ON 13-NOV-20. REMARK 100 THE DEPOSITION ID IS D_1300019091. REMARK 200 REMARK 200 EXPERIMENTAL DETAILS REMARK 200 EXPERIMENT TYPE : X-RAY DIFFRACTION REMARK 200 DATE OF DATA COLLECTION : 17-APR-20 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 : SSRF REMARK 200 BEAMLINE : BL19U1 REMARK 200 X-RAY GENERATOR MODEL : NULL REMARK 200 MONOCHROMATIC OR LAUE (M/L) : M REMARK 200 WAVELENGTH OR RANGE (A) : 0.979 REMARK 200 MONOCHROMATOR : NULL REMARK 200 OPTICS : NULL REMARK 200 REMARK 200 DETECTOR TYPE : PIXEL REMARK 200 DETECTOR MANUFACTURER : DECTRIS PILATUS3 S 6M REMARK 200 INTENSITY-INTEGRATION SOFTWARE : HKL-3000 REMARK 200 DATA SCALING SOFTWARE : HKL-3000 REMARK 200 REMARK 200 NUMBER OF UNIQUE REFLECTIONS : 27608 REMARK 200 RESOLUTION RANGE HIGH (A) : 1.850 REMARK 200 RESOLUTION RANGE LOW (A) : 50.000 REMARK 200 REJECTION CRITERIA (SIGMA(I)) : NULL REMARK 200 REMARK 200 OVERALL. REMARK 200 COMPLETENESS FOR RANGE (%) : 99.6 REMARK 200 DATA REDUNDANCY : 19.30 REMARK 200 R MERGE (I) : 0.12000 REMARK 200 R SYM (I) : NULL REMARK 200 FOR THE DATA SET : 28.0000 REMARK 200 REMARK 200 IN THE HIGHEST RESOLUTION SHELL. REMARK 200 HIGHEST RESOLUTION SHELL, RANGE HIGH (A) : 1.85 REMARK 200 HIGHEST RESOLUTION SHELL, RANGE LOW (A) : 1.92 REMARK 200 COMPLETENESS FOR SHELL (%) : 95.6 REMARK 200 DATA REDUNDANCY IN SHELL : 16.30 REMARK 200 R MERGE FOR SHELL (I) : 0.73900 REMARK 200 R SYM FOR SHELL (I) : NULL REMARK 200 FOR SHELL : 2.250 REMARK 200 REMARK 200 DIFFRACTION PROTOCOL: SINGLE WAVELENGTH REMARK 200 METHOD USED TO DETERMINE THE STRUCTURE: MOLECULAR REPLACEMENT REMARK 200 SOFTWARE USED: PHENIX REMARK 200 STARTING MODEL: 7DBF REMARK 200 REMARK 200 REMARK: NULL REMARK 280 REMARK 280 CRYSTAL REMARK 280 SOLVENT CONTENT, VS (%): 46.46 REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 2.30 REMARK 280 REMARK 280 CRYSTALLIZATION CONDITIONS: 1.2M NA-CITRATE AND 0.1M HEPES (PH REMARK 280 7.5), VAPOR DIFFUSION, SITTING DROP, TEMPERATURE 277K REMARK 290 REMARK 290 CRYSTALLOGRAPHIC SYMMETRY REMARK 290 SYMMETRY OPERATORS FOR SPACE GROUP: P 61 REMARK 290 REMARK 290 SYMOP SYMMETRY REMARK 290 NNNMMM OPERATOR REMARK 290 1555 X,Y,Z REMARK 290 2555 -Y,X-Y,Z+1/3 REMARK 290 3555 -X+Y,-X,Z+2/3 REMARK 290 4555 -X,-Y,Z+1/2 REMARK 290 5555 Y,-X+Y,Z+5/6 REMARK 290 6555 X-Y,X,Z+1/6 REMARK 290 REMARK 290 WHERE NNN -> OPERATOR NUMBER REMARK 290 MMM -> TRANSLATION VECTOR REMARK 290 REMARK 290 CRYSTALLOGRAPHIC SYMMETRY TRANSFORMATIONS REMARK 290 THE FOLLOWING TRANSFORMATIONS OPERATE ON THE ATOM/HETATM REMARK 290 RECORDS IN THIS ENTRY TO PRODUCE CRYSTALLOGRAPHICALLY REMARK 290 RELATED MOLECULES. REMARK 290 SMTRY1 1 1.000000 0.000000 0.000000 0.00000 REMARK 290 SMTRY2 1 0.000000 1.000000 0.000000 0.00000 REMARK 290 SMTRY3 1 0.000000 0.000000 1.000000 0.00000 REMARK 290 SMTRY1 2 -0.500000 -0.866025 0.000000 0.00000 REMARK 290 SMTRY2 2 0.866025 -0.500000 0.000000 0.00000 REMARK 290 SMTRY3 2 0.000000 0.000000 1.000000 13.18000 REMARK 290 SMTRY1 3 -0.500000 0.866025 0.000000 0.00000 REMARK 290 SMTRY2 3 -0.866025 -0.500000 0.000000 0.00000 REMARK 290 SMTRY3 3 0.000000 0.000000 1.000000 26.36000 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 19.77000 REMARK 290 SMTRY1 5 0.500000 0.866025 0.000000 0.00000 REMARK 290 SMTRY2 5 -0.866025 0.500000 0.000000 0.00000 REMARK 290 SMTRY3 5 0.000000 0.000000 1.000000 32.95000 REMARK 290 SMTRY1 6 0.500000 -0.866025 0.000000 0.00000 REMARK 290 SMTRY2 6 0.866025 0.500000 0.000000 0.00000 REMARK 290 SMTRY3 6 0.000000 0.000000 1.000000 6.59000 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: DIMERIC REMARK 350 SOFTWARE DETERMINED QUATERNARY STRUCTURE: DIMERIC REMARK 350 SOFTWARE USED: PISA REMARK 350 TOTAL BURIED SURFACE AREA: 3170 ANGSTROM**2 REMARK 350 SURFACE AREA OF THE COMPLEX: 12490 ANGSTROM**2 REMARK 350 CHANGE IN SOLVENT FREE ENERGY: -28.0 KCAL/MOL REMARK 350 APPLY THE FOLLOWING TO CHAINS: A, 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 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 GLY A 25 REMARK 465 PRO A 26 REMARK 465 HIS A 27 REMARK 465 MET A 28 REMARK 465 GLY D 25 REMARK 465 PRO D 26 REMARK 465 HIS D 27 REMARK 465 MET D 28 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 LYS A 130 CG CD CE NZ REMARK 470 ARG A 183 CG CD NE CZ NH1 NH2 REMARK 470 ARG D 183 CG CD NE CZ NH1 NH2 REMARK 500 REMARK 500 GEOMETRY AND STEREOCHEMISTRY REMARK 500 SUBTOPIC: CLOSE CONTACTS IN SAME ASYMMETRIC UNIT REMARK 500 REMARK 500 THE FOLLOWING ATOMS ARE IN CLOSE CONTACT. REMARK 500 REMARK 500 ATM1 RES C SSEQI ATM2 RES C SSEQI DISTANCE REMARK 500 NH1 ARG A 87 O HOH A 301 2.10 REMARK 500 O HOH D 381 O HOH D 411 2.11 REMARK 500 O HOH A 305 O HOH A 328 2.16 REMARK 500 REMARK 500 REMARK: NULL REMARK 500 REMARK 500 GEOMETRY AND STEREOCHEMISTRY REMARK 500 SUBTOPIC: CLOSE CONTACTS REMARK 500 REMARK 500 THE FOLLOWING ATOMS THAT ARE RELATED BY CRYSTALLOGRAPHIC REMARK 500 SYMMETRY ARE IN CLOSE CONTACT. AN ATOM LOCATED WITHIN 0.15 REMARK 500 ANGSTROMS OF A SYMMETRY RELATED ATOM IS ASSUMED TO BE ON A REMARK 500 SPECIAL POSITION AND IS, THEREFORE, LISTED IN REMARK 375 REMARK 500 INSTEAD OF REMARK 500. ATOMS WITH NON-BLANK ALTERNATE REMARK 500 LOCATION INDICATORS ARE NOT INCLUDED IN THE CALCULATIONS. REMARK 500 REMARK 500 DISTANCE CUTOFF: REMARK 500 2.2 ANGSTROMS FOR CONTACTS NOT INVOLVING HYDROGEN ATOMS REMARK 500 1.6 ANGSTROMS FOR CONTACTS INVOLVING HYDROGEN ATOMS REMARK 500 REMARK 500 ATM1 RES C SSEQI ATM2 RES C SSEQI SSYMOP DISTANCE REMARK 500 O HOH D 398 O HOH D 406 4544 2.07 REMARK 500 REMARK 500 REMARK: NULL 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 D 87 NE - CZ - NH1 ANGL. DEV. = -4.2 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 GLU A 108 114.68 -35.93 REMARK 500 PHE A 142 85.44 -155.45 REMARK 500 ALA D 79 47.89 -84.15 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 201 ZN REMARK 620 N RES CSSEQI ATOM REMARK 620 1 HIS A 80 ND1 REMARK 620 2 CYS A 110 SG 108.6 REMARK 620 3 CYS A 113 SG 112.0 119.6 REMARK 620 4 4UO A 202 O2 108.0 105.8 101.8 REMARK 620 N 1 2 3 REMARK 620 REMARK 620 COORDINATION ANGLES FOR: M RES CSSEQI METAL REMARK 620 ZN D 201 ZN REMARK 620 N RES CSSEQI ATOM REMARK 620 1 HIS D 80 ND1 REMARK 620 2 CYS D 110 SG 107.1 REMARK 620 3 CYS D 113 SG 107.3 120.5 REMARK 620 4 4UO D 202 O2 112.4 106.9 102.7 REMARK 620 N 1 2 3 DBREF 7DH1 A 29 185 UNP Q94BU8 GSDA_ARATH 29 185 DBREF 7DH1 D 29 185 UNP Q94BU8 GSDA_ARATH 29 185 SEQADV 7DH1 GLY A 25 UNP Q94BU8 EXPRESSION TAG SEQADV 7DH1 PRO A 26 UNP Q94BU8 EXPRESSION TAG SEQADV 7DH1 HIS A 27 UNP Q94BU8 EXPRESSION TAG SEQADV 7DH1 MET A 28 UNP Q94BU8 EXPRESSION TAG SEQADV 7DH1 GLY D 25 UNP Q94BU8 EXPRESSION TAG SEQADV 7DH1 PRO D 26 UNP Q94BU8 EXPRESSION TAG SEQADV 7DH1 HIS D 27 UNP Q94BU8 EXPRESSION TAG SEQADV 7DH1 MET D 28 UNP Q94BU8 EXPRESSION TAG SEQRES 1 A 161 GLY PRO HIS MET SER ASP HIS LYS PHE LEU THR GLN ALA SEQRES 2 A 161 VAL GLU GLU ALA TYR LYS GLY VAL ASP CYS GLY ASP GLY SEQRES 3 A 161 GLY PRO PHE GLY ALA VAL ILE VAL HIS ASN ASN GLU VAL SEQRES 4 A 161 VAL ALA SER CYS HIS ASN MET VAL LEU LYS TYR THR ASP SEQRES 5 A 161 PRO THR ALA HIS ALA GLU VAL THR ALA ILE ARG GLU ALA SEQRES 6 A 161 CYS LYS LYS LEU ASN LYS ILE GLU LEU SER GLU CYS GLU SEQRES 7 A 161 ILE TYR ALA SER CYS GLU PRO CYS PRO MET CYS PHE GLY SEQRES 8 A 161 ALA ILE HIS LEU SER ARG LEU LYS ARG LEU VAL TYR GLY SEQRES 9 A 161 ALA LYS ALA GLU ALA ALA ILE ALA ILE GLY PHE ASP ASP SEQRES 10 A 161 PHE ILE ALA ASP ALA LEU ARG GLY THR GLY VAL TYR GLN SEQRES 11 A 161 LYS SER SER LEU GLU ILE LYS LYS ALA ASP GLY ASN GLY SEQRES 12 A 161 ALA ALA ILE ALA GLU GLN VAL PHE GLN ASN THR LYS GLU SEQRES 13 A 161 LYS PHE ARG LEU TYR SEQRES 1 D 161 GLY PRO HIS MET SER ASP HIS LYS PHE LEU THR GLN ALA SEQRES 2 D 161 VAL GLU GLU ALA TYR LYS GLY VAL ASP CYS GLY ASP GLY SEQRES 3 D 161 GLY PRO PHE GLY ALA VAL ILE VAL HIS ASN ASN GLU VAL SEQRES 4 D 161 VAL ALA SER CYS HIS ASN MET VAL LEU LYS TYR THR ASP SEQRES 5 D 161 PRO THR ALA HIS ALA GLU VAL THR ALA ILE ARG GLU ALA SEQRES 6 D 161 CYS LYS LYS LEU ASN LYS ILE GLU LEU SER GLU CYS GLU SEQRES 7 D 161 ILE TYR ALA SER CYS GLU PRO CYS PRO MET CYS PHE GLY SEQRES 8 D 161 ALA ILE HIS LEU SER ARG LEU LYS ARG LEU VAL TYR GLY SEQRES 9 D 161 ALA LYS ALA GLU ALA ALA ILE ALA ILE GLY PHE ASP ASP SEQRES 10 D 161 PHE ILE ALA ASP ALA LEU ARG GLY THR GLY VAL TYR GLN SEQRES 11 D 161 LYS SER SER LEU GLU ILE LYS LYS ALA ASP GLY ASN GLY SEQRES 12 D 161 ALA ALA ILE ALA GLU GLN VAL PHE GLN ASN THR LYS GLU SEQRES 13 D 161 LYS PHE ARG LEU TYR HET ZN A 201 1 HET 4UO A 202 20 HET ZN D 201 1 HET 4UO D 202 20 HETNAM ZN ZINC ION HETNAM 4UO 2,3-DIHYDROXANTHOSINE HETSYN 4UO XANTHOSINE FORMUL 3 ZN 2(ZN 2+) FORMUL 4 4UO 2(C10 H12 N4 O6) FORMUL 7 HOH *196(H2 O) HELIX 1 AA1 SER A 29 CYS A 47 1 19 HELIX 2 AA2 MET A 70 THR A 75 1 6 HELIX 3 AA3 HIS A 80 ASN A 94 1 15 HELIX 4 AA4 CYS A 110 ARG A 121 1 12 HELIX 5 AA5 LYS A 130 ALA A 136 1 7 HELIX 6 AA6 ALA A 144 GLY A 149 1 6 HELIX 7 AA7 ASP A 164 THR A 178 1 15 HELIX 8 AA8 ASP D 30 GLY D 48 1 19 HELIX 9 AA9 MET D 70 THR D 75 1 6 HELIX 10 AB1 HIS D 80 ASN D 94 1 15 HELIX 11 AB2 CYS D 110 SER D 120 1 11 HELIX 12 AB3 LYS D 130 ALA D 136 1 7 HELIX 13 AB4 ALA D 144 GLY D 149 1 6 HELIX 14 AB5 ASP D 164 LYS D 179 1 16 HELIX 15 AB6 GLU D 180 PHE D 182 5 3 SHEET 1 AA1 5 GLU A 62 HIS A 68 0 SHEET 2 AA1 5 GLY A 54 HIS A 59 -1 N ILE A 57 O VAL A 64 SHEET 3 AA1 5 GLU A 102 CYS A 107 -1 O TYR A 104 N VAL A 56 SHEET 4 AA1 5 ARG A 124 ALA A 129 1 O VAL A 126 N ALA A 105 SHEET 5 AA1 5 GLU A 159 LYS A 162 1 O LYS A 161 N LEU A 125 SHEET 1 AA2 5 GLU D 62 HIS D 68 0 SHEET 2 AA2 5 GLY D 54 HIS D 59 -1 N HIS D 59 O GLU D 62 SHEET 3 AA2 5 CYS D 101 CYS D 107 -1 O TYR D 104 N VAL D 56 SHEET 4 AA2 5 ARG D 124 ALA D 129 1 O VAL D 126 N ALA D 105 SHEET 5 AA2 5 GLU D 159 LYS D 162 1 O LYS D 161 N LEU D 125 LINK ND1 HIS A 80 ZN ZN A 201 1555 1555 2.00 LINK SG CYS A 110 ZN ZN A 201 1555 1555 2.30 LINK SG CYS A 113 ZN ZN A 201 1555 1555 2.24 LINK ZN ZN A 201 O2 4UO A 202 1555 1555 2.39 LINK ND1 HIS D 80 ZN ZN D 201 1555 1555 2.07 LINK SG CYS D 110 ZN ZN D 201 1555 1555 2.28 LINK SG CYS D 113 ZN ZN D 201 1555 1555 2.30 LINK ZN ZN D 201 O2 4UO D 202 1555 1555 2.23 CRYST1 118.776 118.776 39.540 90.00 90.00 120.00 P 61 12 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 0.008419 0.004861 0.000000 0.00000 SCALE2 0.000000 0.009722 0.000000 0.00000 SCALE3 0.000000 0.000000 0.025291 0.00000