HEADER METAL BINDING PROTEIN 06-OCT-16 5TK8 TITLE STRUCTURE OF THE HD-DOMAIN PHOSPHOHYDROLASE OXSA WITH OXETANOCIN-A TITLE 2 MONOPHOSPHATE BOUND COMPND MOL_ID: 1; COMPND 2 MOLECULE: OXSA PROTEIN; COMPND 3 CHAIN: A; COMPND 4 ENGINEERED: YES SOURCE MOL_ID: 1; SOURCE 2 ORGANISM_SCIENTIFIC: BACILLUS MEGATERIUM; SOURCE 3 ORGANISM_TAXID: 1404; SOURCE 4 GENE: OXSA; SOURCE 5 EXPRESSION_SYSTEM: ESCHERICHIA COLI; SOURCE 6 EXPRESSION_SYSTEM_TAXID: 469008; SOURCE 7 EXPRESSION_SYSTEM_STRAIN: BL21 STAR (DE3); SOURCE 8 EXPRESSION_SYSTEM_VECTOR_TYPE: PET24B(+) KEYWDS METALLOPROTEIN, METAL BINDING PROTEIN EXPDTA X-RAY DIFFRACTION AUTHOR J.BRIDWELL-RABB,C.L.DRENNAN REVDAT 6 04-OCT-23 5TK8 1 LINK REVDAT 5 25-DEC-19 5TK8 1 REMARK REVDAT 4 27-SEP-17 5TK8 1 REMARK REVDAT 3 14-DEC-16 5TK8 1 JRNL REVDAT 2 30-NOV-16 5TK8 1 JRNL REVDAT 1 16-NOV-16 5TK8 0 JRNL AUTH J.BRIDWELL-RABB,G.KANG,A.ZHONG,H.W.LIU,C.L.DRENNAN JRNL TITL AN HD DOMAIN PHOSPHOHYDROLASE ACTIVE SITE TAILORED FOR JRNL TITL 2 OXETANOCIN-A BIOSYNTHESIS. JRNL REF PROC. NATL. ACAD. SCI. V. 113 13750 2016 JRNL REF 2 U.S.A. JRNL REFN ESSN 1091-6490 JRNL PMID 27849620 JRNL DOI 10.1073/PNAS.1613610113 REMARK 2 REMARK 2 RESOLUTION. 1.64 ANGSTROMS. REMARK 3 REMARK 3 REFINEMENT. REMARK 3 PROGRAM : PHENIX (1.10_2155: ???) 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 : ML REMARK 3 REMARK 3 DATA USED IN REFINEMENT. REMARK 3 RESOLUTION RANGE HIGH (ANGSTROMS) : 1.64 REMARK 3 RESOLUTION RANGE LOW (ANGSTROMS) : 41.29 REMARK 3 MIN(FOBS/SIGMA_FOBS) : 1.360 REMARK 3 COMPLETENESS FOR RANGE (%) : 99.5 REMARK 3 NUMBER OF REFLECTIONS : 25696 REMARK 3 REMARK 3 FIT TO DATA USED IN REFINEMENT. REMARK 3 R VALUE (WORKING + TEST SET) : 0.181 REMARK 3 R VALUE (WORKING SET) : 0.179 REMARK 3 FREE R VALUE : 0.204 REMARK 3 FREE R VALUE TEST SET SIZE (%) : 5.010 REMARK 3 FREE R VALUE TEST SET COUNT : 1288 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 41.3026 - 3.4108 0.98 2759 147 0.1625 0.1792 REMARK 3 2 3.4108 - 2.7074 1.00 2729 143 0.1904 0.2171 REMARK 3 3 2.7074 - 2.3652 1.00 2731 144 0.1808 0.2215 REMARK 3 4 2.3652 - 2.1490 1.00 2701 144 0.1876 0.2117 REMARK 3 5 2.1490 - 1.9949 1.00 2715 142 0.1833 0.2128 REMARK 3 6 1.9949 - 1.8773 1.00 2696 142 0.1953 0.2181 REMARK 3 7 1.8773 - 1.7833 1.00 2731 144 0.2007 0.2422 REMARK 3 8 1.7833 - 1.7057 1.00 2712 143 0.2277 0.2448 REMARK 3 9 1.7057 - 1.6400 0.98 2634 139 0.2593 0.3134 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) : 0.190 REMARK 3 PHASE ERROR (DEGREES, MAXIMUM-LIKELIHOOD BASED) : 22.810 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 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 : 0.011 1668 REMARK 3 ANGLE : 1.281 2257 REMARK 3 CHIRALITY : 0.049 251 REMARK 3 PLANARITY : 0.006 287 REMARK 3 DIHEDRAL : 19.004 1003 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 5TK8 COMPLIES WITH FORMAT V. 3.30, 13-JUL-11 REMARK 100 REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY RCSB ON 07-OCT-16. REMARK 100 THE DEPOSITION ID IS D_1000224386. REMARK 200 REMARK 200 EXPERIMENTAL DETAILS REMARK 200 EXPERIMENT TYPE : X-RAY DIFFRACTION REMARK 200 DATE OF DATA COLLECTION : 22-JUN-15 REMARK 200 TEMPERATURE (KELVIN) : 100 REMARK 200 PH : 8.0 REMARK 200 NUMBER OF CRYSTALS USED : 1 REMARK 200 REMARK 200 SYNCHROTRON (Y/N) : Y REMARK 200 RADIATION SOURCE : APS REMARK 200 BEAMLINE : 24-ID-C REMARK 200 X-RAY GENERATOR MODEL : NULL REMARK 200 MONOCHROMATIC OR LAUE (M/L) : M REMARK 200 WAVELENGTH OR RANGE (A) : 0.9791 REMARK 200 MONOCHROMATOR : NULL REMARK 200 OPTICS : NULL REMARK 200 REMARK 200 DETECTOR TYPE : PIXEL REMARK 200 DETECTOR MANUFACTURER : DECTRIS PILATUS 6M REMARK 200 INTENSITY-INTEGRATION SOFTWARE : HKL-2000 REMARK 200 DATA SCALING SOFTWARE : HKL-2000 REMARK 200 REMARK 200 NUMBER OF UNIQUE REFLECTIONS : 25785 REMARK 200 RESOLUTION RANGE HIGH (A) : 1.640 REMARK 200 RESOLUTION RANGE LOW (A) : 41.290 REMARK 200 REJECTION CRITERIA (SIGMA(I)) : NULL REMARK 200 REMARK 200 OVERALL. REMARK 200 COMPLETENESS FOR RANGE (%) : 99.7 REMARK 200 DATA REDUNDANCY : 17.30 REMARK 200 R MERGE (I) : 0.04500 REMARK 200 R SYM (I) : NULL REMARK 200 FOR THE DATA SET : 55.8000 REMARK 200 REMARK 200 IN THE HIGHEST RESOLUTION SHELL. REMARK 200 HIGHEST RESOLUTION SHELL, RANGE HIGH (A) : 1.64 REMARK 200 HIGHEST RESOLUTION SHELL, RANGE LOW (A) : 1.70 REMARK 200 COMPLETENESS FOR SHELL (%) : 99.5 REMARK 200 DATA REDUNDANCY IN SHELL : 13.90 REMARK 200 R MERGE FOR SHELL (I) : 0.84100 REMARK 200 R SYM FOR SHELL (I) : NULL REMARK 200 FOR SHELL : 3.100 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: 5TK9 REMARK 200 REMARK 200 REMARK: NULL REMARK 280 REMARK 280 CRYSTAL REMARK 280 SOLVENT CONTENT, VS (%): 47.24 REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 2.33 REMARK 280 REMARK 280 CRYSTALLIZATION CONDITIONS: 0.1 M TRIS HYDROCHLORIDE (PH 8.5), 0.2 REMARK 280 M MAGNESIUM CHLORIDE HEXAHYDRATE, 30% W/V PEG 400 PROTEIN REMARK 280 SOLUTION CONTAINED: 50 MM HEPES (PH 8.0), 100 MM NACL, AND 5% V/ REMARK 280 V GLYCEROL, AND 5 MM OXT-P, VAPOR DIFFUSION, HANGING DROP, REMARK 280 TEMPERATURE 298K REMARK 290 REMARK 290 CRYSTALLOGRAPHIC SYMMETRY REMARK 290 SYMMETRY OPERATORS FOR SPACE GROUP: H 3 2 REMARK 290 REMARK 290 SYMOP SYMMETRY REMARK 290 NNNMMM OPERATOR REMARK 290 1555 X,Y,Z REMARK 290 2555 -Y,X-Y,Z REMARK 290 3555 -X+Y,-X,Z REMARK 290 4555 Y,X,-Z REMARK 290 5555 X-Y,-Y,-Z REMARK 290 6555 -X,-X+Y,-Z REMARK 290 7555 X+2/3,Y+1/3,Z+1/3 REMARK 290 8555 -Y+2/3,X-Y+1/3,Z+1/3 REMARK 290 9555 -X+Y+2/3,-X+1/3,Z+1/3 REMARK 290 10555 Y+2/3,X+1/3,-Z+1/3 REMARK 290 11555 X-Y+2/3,-Y+1/3,-Z+1/3 REMARK 290 12555 -X+2/3,-X+Y+1/3,-Z+1/3 REMARK 290 13555 X+1/3,Y+2/3,Z+2/3 REMARK 290 14555 -Y+1/3,X-Y+2/3,Z+2/3 REMARK 290 15555 -X+Y+1/3,-X+2/3,Z+2/3 REMARK 290 16555 Y+1/3,X+2/3,-Z+2/3 REMARK 290 17555 X-Y+1/3,-Y+2/3,-Z+2/3 REMARK 290 18555 -X+1/3,-X+Y+2/3,-Z+2/3 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 0.00000 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 0.00000 REMARK 290 SMTRY1 4 -0.500000 0.866025 0.000000 0.00000 REMARK 290 SMTRY2 4 0.866025 0.500000 0.000000 0.00000 REMARK 290 SMTRY3 4 0.000000 0.000000 -1.000000 0.00000 REMARK 290 SMTRY1 5 1.000000 0.000000 0.000000 0.00000 REMARK 290 SMTRY2 5 0.000000 -1.000000 0.000000 0.00000 REMARK 290 SMTRY3 5 0.000000 0.000000 -1.000000 0.00000 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 0.00000 REMARK 290 SMTRY1 7 1.000000 0.000000 0.000000 71.51550 REMARK 290 SMTRY2 7 0.000000 1.000000 0.000000 41.28949 REMARK 290 SMTRY3 7 0.000000 0.000000 1.000000 17.92867 REMARK 290 SMTRY1 8 -0.500000 -0.866025 0.000000 71.51550 REMARK 290 SMTRY2 8 0.866025 -0.500000 0.000000 41.28949 REMARK 290 SMTRY3 8 0.000000 0.000000 1.000000 17.92867 REMARK 290 SMTRY1 9 -0.500000 0.866025 0.000000 71.51550 REMARK 290 SMTRY2 9 -0.866025 -0.500000 0.000000 41.28949 REMARK 290 SMTRY3 9 0.000000 0.000000 1.000000 17.92867 REMARK 290 SMTRY1 10 -0.500000 0.866025 0.000000 71.51550 REMARK 290 SMTRY2 10 0.866025 0.500000 0.000000 41.28949 REMARK 290 SMTRY3 10 0.000000 0.000000 -1.000000 17.92867 REMARK 290 SMTRY1 11 1.000000 0.000000 0.000000 71.51550 REMARK 290 SMTRY2 11 0.000000 -1.000000 0.000000 41.28949 REMARK 290 SMTRY3 11 0.000000 0.000000 -1.000000 17.92867 REMARK 290 SMTRY1 12 -0.500000 -0.866025 0.000000 71.51550 REMARK 290 SMTRY2 12 -0.866025 0.500000 0.000000 41.28949 REMARK 290 SMTRY3 12 0.000000 0.000000 -1.000000 17.92867 REMARK 290 SMTRY1 13 1.000000 0.000000 0.000000 0.00000 REMARK 290 SMTRY2 13 0.000000 1.000000 0.000000 82.57899 REMARK 290 SMTRY3 13 0.000000 0.000000 1.000000 35.85733 REMARK 290 SMTRY1 14 -0.500000 -0.866025 0.000000 0.00000 REMARK 290 SMTRY2 14 0.866025 -0.500000 0.000000 82.57899 REMARK 290 SMTRY3 14 0.000000 0.000000 1.000000 35.85733 REMARK 290 SMTRY1 15 -0.500000 0.866025 0.000000 0.00000 REMARK 290 SMTRY2 15 -0.866025 -0.500000 0.000000 82.57899 REMARK 290 SMTRY3 15 0.000000 0.000000 1.000000 35.85733 REMARK 290 SMTRY1 16 -0.500000 0.866025 0.000000 0.00000 REMARK 290 SMTRY2 16 0.866025 0.500000 0.000000 82.57899 REMARK 290 SMTRY3 16 0.000000 0.000000 -1.000000 35.85733 REMARK 290 SMTRY1 17 1.000000 0.000000 0.000000 0.00000 REMARK 290 SMTRY2 17 0.000000 -1.000000 0.000000 82.57899 REMARK 290 SMTRY3 17 0.000000 0.000000 -1.000000 35.85733 REMARK 290 SMTRY1 18 -0.500000 -0.866025 0.000000 0.00000 REMARK 290 SMTRY2 18 -0.866025 0.500000 0.000000 82.57899 REMARK 290 SMTRY3 18 0.000000 0.000000 -1.000000 35.85733 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: 5260 ANGSTROM**2 REMARK 350 SURFACE AREA OF THE COMPLEX: 17560 ANGSTROM**2 REMARK 350 CHANGE IN SOLVENT FREE ENERGY: -54.0 KCAL/MOL 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 BIOMT1 2 -0.500000 -0.866025 0.000000 0.00000 REMARK 350 BIOMT2 2 -0.866025 0.500000 0.000000 0.00000 REMARK 350 BIOMT3 2 0.000000 0.000000 -1.000000 -53.78600 REMARK 465 REMARK 465 MISSING RESIDUES REMARK 465 THE FOLLOWING RESIDUES WERE NOT LOCATED IN THE REMARK 465 EXPERIMENT. (M=MODEL NUMBER; RES=RESIDUE NAME; C=CHAIN REMARK 465 IDENTIFIER; SSSEQ=SEQUENCE NUMBER; I=INSERTION CODE.) REMARK 465 REMARK 465 M RES C SSSEQI REMARK 465 MET A 1 REMARK 465 LEU A 193 REMARK 465 ASN A 194 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 CD2 HIS A 66 O HOH A 302 2.14 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 THR A 74 177.18 61.13 REMARK 500 PHE A 102 56.05 -94.08 REMARK 500 REMARK 500 REMARK: NULL REMARK 620 REMARK 620 METAL COORDINATION REMARK 620 (M=MODEL NUMBER; RES=RESIDUE NAME; C=CHAIN IDENTIFIER; REMARK 620 SSEQ=SEQUENCE NUMBER; I=INSERTION CODE): REMARK 620 REMARK 620 COORDINATION ANGLES FOR: M RES CSSEQI METAL REMARK 620 MG A 202 MG REMARK 620 N RES CSSEQI ATOM REMARK 620 1 HIS A 31 NE2 REMARK 620 2 HIS A 66 NE2 107.7 REMARK 620 3 ASP A 67 OD2 78.3 87.6 REMARK 620 4 ASP A 132 OD1 100.5 78.9 165.4 REMARK 620 5 HOH A 301 O 96.8 151.6 83.6 110.9 REMARK 620 6 HOH A 302 O 167.8 76.3 90.6 91.5 76.9 REMARK 620 7 HOH A 306 O 115.5 16.1 102.9 64.3 147.7 71.5 REMARK 620 N 1 2 3 4 5 6 REMARK 800 REMARK 800 SITE REMARK 800 SITE_IDENTIFIER: AC1 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: binding site for residue 7D5 A 201 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC2 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: binding site for residue MG A 202 REMARK 900 REMARK 900 RELATED ENTRIES REMARK 900 RELATED ID: 5TK6 RELATED DB: PDB REMARK 900 SAME PROTEIN COMPLEXED WITH OXETANOCIN-A DIPHOSPHATE REMARK 900 RELATED ID: 5TK7 RELATED DB: PDB REMARK 900 SAME PROTEIN COMPLEXED WITH OXETANOCIN-A TRIPHOSPHATE REMARK 900 RELATED ID: 5TK9 RELATED DB: PDB REMARK 900 SAME PROTEIN COMPLEXED WITH OXETANOCIN-A REMARK 900 RELATED ID: 5TKA RELATED DB: PDB REMARK 900 SAME PROTEIN WITH NO LIGAND BOUND DBREF 5TK8 A 1 194 UNP O24769 O24769_BACME 1 194 SEQRES 1 A 194 MET SER SER LEU LEU ASP ILE ILE TYR GLN LEU ARG GLN SEQRES 2 A 194 VAL PRO ARG TRP ASP GLY SER PHE GLN PHE GLU LYS GLU SEQRES 3 A 194 ASP VAL SER GLN HIS SER PHE SER VAL ILE ALA ILE SER SEQRES 4 A 194 HIS ILE LEU CYS GLU LEU LYS GLU THR LEU GLU GLY LYS SEQRES 5 A 194 LYS ILE ASN LYS GLU LYS LEU LEU LEU TYR ALA LEU TYR SEQRES 6 A 194 HIS ASP VAL THR GLU VAL VAL SER THR HIS ILE ILE SER SEQRES 7 A 194 PRO VAL LYS LYS ASN SER ILE LEU LYS ASP PRO PHE ASN SEQRES 8 A 194 ALA PHE ARG GLU GLN ILE LYS ASN SER LEU PHE ASP ASN SEQRES 9 A 194 LEU PRO ILE THR LEU SER ASP THR LEU SER THR ILE LEU SEQRES 10 A 194 ASN ASN ASN ASP LEU GLU ILE GLN GLU ILE VAL GLU HIS SEQRES 11 A 194 ALA ASP HIS VAL ASP ALA TYR CYS LYS SER CYS ILE GLU SEQRES 12 A 194 VAL HIS ARG GLY ASN LYS ASP PHE ILE SER ILE GLN ARG SEQRES 13 A 194 SER LEU GLY ASP LYS LEU ASP ASN LEU THR LYS GLU TYR SEQRES 14 A 194 PRO TYR LEU LYS GLU PHE GLN ASN LEU PHE LEU LYS ASP SEQRES 15 A 194 PHE PRO LEU GLU ASN LYS ASN TYR ARG TYR LEU ASN HET 7D5 A 201 22 HET MG A 202 1 HETNAM 7D5 [(2S,3R,4R)-4-(6-AMINO-9H-PURIN-9-YL)-3- HETNAM 2 7D5 (HYDROXYMETHYL)OXETAN-2-YL]METHYL DIHYDROGEN PHOSPHATE HETNAM MG MAGNESIUM ION HETSYN 7D5 OXETANOCIN A MONOPHOSPHATE FORMUL 2 7D5 C10 H14 N5 O6 P FORMUL 3 MG MG 2+ FORMUL 4 HOH *115(H2 O) HELIX 1 AA1 SER A 3 LEU A 11 1 9 HELIX 2 AA2 ARG A 12 VAL A 14 5 3 HELIX 3 AA3 ASP A 27 GLY A 51 1 25 HELIX 4 AA4 ASN A 55 HIS A 66 1 12 HELIX 5 AA5 THR A 69 THR A 74 1 6 HELIX 6 AA6 ILE A 77 LYS A 82 1 6 HELIX 7 AA7 LEU A 86 LEU A 101 1 16 HELIX 8 AA8 PRO A 106 ASN A 118 1 13 HELIX 9 AA9 ASP A 121 GLY A 147 1 27 HELIX 10 AB1 ASN A 148 ASP A 150 5 3 HELIX 11 AB2 PHE A 151 LYS A 167 1 17 HELIX 12 AB3 TYR A 169 LEU A 180 1 12 HELIX 13 AB4 LYS A 188 TYR A 192 5 5 LINK NE2 HIS A 31 MG MG A 202 1555 1555 2.08 LINK NE2BHIS A 66 MG MG A 202 1555 1555 2.04 LINK OD2 ASP A 67 MG MG A 202 1555 1555 2.30 LINK OD1 ASP A 132 MG MG A 202 1555 1555 2.48 LINK MG MG A 202 O HOH A 301 1555 1555 1.80 LINK MG MG A 202 O HOH A 302 1555 1555 1.89 LINK MG MG A 202 O AHOH A 306 1555 1555 1.90 CISPEP 1 PHE A 183 PRO A 184 0 -3.07 SITE 1 AC1 14 ARG A 16 TRP A 17 HIS A 75 ILE A 77 SITE 2 AC1 14 SER A 78 LYS A 81 ILE A 154 TYR A 192 SITE 3 AC1 14 HOH A 301 HOH A 305 HOH A 307 HOH A 314 SITE 4 AC1 14 HOH A 325 HOH A 381 SITE 1 AC2 7 HIS A 31 HIS A 66 ASP A 67 ASP A 132 SITE 2 AC2 7 HOH A 301 HOH A 302 HOH A 306 CRYST1 143.031 143.031 53.786 90.00 90.00 120.00 H 3 2 18 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 0.006991 0.004037 0.000000 0.00000 SCALE2 0.000000 0.008073 0.000000 0.00000 SCALE3 0.000000 0.000000 0.018592 0.00000