HEADER HYDROLASE 09-OCT-96 1OBW TITLE STRUCTURE OF INORGANIC PYROPHOSPHATASE COMPND MOL_ID: 1; COMPND 2 MOLECULE: INORGANIC PYROPHOSPHATASE; COMPND 3 CHAIN: A, B, C; COMPND 4 SYNONYM: PYROPHOSPHATE HYDROLASE; COMPND 5 EC: 3.6.1.1; COMPND 6 ENGINEERED: YES SOURCE MOL_ID: 1; SOURCE 2 ORGANISM_SCIENTIFIC: ESCHERICHIA COLI; SOURCE 3 ORGANISM_TAXID: 562; SOURCE 4 STRAIN: JM109; SOURCE 5 EXPRESSION_SYSTEM: ESCHERICHIA COLI; SOURCE 6 EXPRESSION_SYSTEM_TAXID: 562; SOURCE 7 EXPRESSION_SYSTEM_PLASMID: PUC19; SOURCE 8 EXPRESSION_SYSTEM_GENE: PYROPHOSPHATASE FROM ESCHERICHIA COLI KEYWDS HYDROLASE, MAGNESIUM, METAL BINDING EXPDTA X-RAY DIFFRACTION AUTHOR V.YU.OGANESSYAN,E.H.HARUTYUNYAN,S.M.AVAEVA,N.N.OGANESSYAN,T.MATHER, AUTHOR 2 R.HUBER REVDAT 5 03-APR-24 1OBW 1 REMARK REVDAT 4 14-FEB-24 1OBW 1 REMARK SEQADV LINK REVDAT 3 13-JUL-11 1OBW 1 VERSN REVDAT 2 24-FEB-09 1OBW 1 VERSN REVDAT 1 04-SEP-97 1OBW 0 JRNL AUTH E.H.HARUTYUNYAN,V.Y.OGANESSYAN,N.N.OGANESSYAN,S.M.AVAEVA, JRNL AUTH 2 T.I.NAZAROVA,N.N.VOROBYEVA,S.A.KURILOVA,R.HUBER,T.MATHER JRNL TITL CRYSTAL STRUCTURE OF HOLO INORGANIC PYROPHOSPHATASE FROM JRNL TITL 2 ESCHERICHIA COLI AT 1.9 A RESOLUTION. MECHANISM OF JRNL TITL 3 HYDROLYSIS. JRNL REF BIOCHEMISTRY V. 36 7754 1997 JRNL REFN ISSN 0006-2960 JRNL PMID 9201917 JRNL DOI 10.1021/BI962637U REMARK 1 REMARK 1 REFERENCE 1 REMARK 1 AUTH V.YU.OGANESSYAN,S.A.KURILOVA,N.N.VOROBYEVA,T.I.NAZAROVA, REMARK 1 AUTH 2 A.N.POPOV,A.A.LEBEDEV,S.M.AVAEVA,E.H.HARUTYUNYAN REMARK 1 TITL X-RAY CRYSTALLOGRAPHIC STUDIES OF RECOMBINANT INORGANIC REMARK 1 TITL 2 PYROPHOSPHATASE FROM ESCHERICHIA COLI REMARK 1 REF FEBS LETT. V. 348 301 1994 REMARK 1 REFN ISSN 0014-5793 REMARK 2 REMARK 2 RESOLUTION. 1.90 ANGSTROMS. REMARK 3 REMARK 3 REFINEMENT. REMARK 3 PROGRAM : REFMAC REMARK 3 AUTHORS : MURSHUDOV,SKUBAK,LEBEDEV,PANNU,STEINER, REMARK 3 : NICHOLLS,WINN,LONG,VAGIN REMARK 3 REMARK 3 DATA USED IN REFINEMENT. REMARK 3 RESOLUTION RANGE HIGH (ANGSTROMS) : 1.90 REMARK 3 RESOLUTION RANGE LOW (ANGSTROMS) : 15.00 REMARK 3 DATA CUTOFF (SIGMA(F)) : 1.000 REMARK 3 COMPLETENESS FOR RANGE (%) : NULL REMARK 3 NUMBER OF REFLECTIONS : 360600 REMARK 3 REMARK 3 FIT TO DATA USED IN REFINEMENT. REMARK 3 CROSS-VALIDATION METHOD : NULL REMARK 3 FREE R VALUE TEST SET SELECTION : NULL REMARK 3 R VALUE (WORKING + TEST SET) : NULL REMARK 3 R VALUE (WORKING SET) : 0.176 REMARK 3 FREE R VALUE : 0.220 REMARK 3 FREE R VALUE TEST SET SIZE (%) : NULL REMARK 3 FREE R VALUE TEST SET COUNT : NULL REMARK 3 REMARK 3 NUMBER OF NON-HYDROGEN ATOMS USED IN REFINEMENT. REMARK 3 PROTEIN ATOMS : 4137 REMARK 3 NUCLEIC ACID ATOMS : 0 REMARK 3 HETEROGEN ATOMS : 7 REMARK 3 SOLVENT ATOMS : 250 REMARK 3 REMARK 3 B VALUES. REMARK 3 FROM WILSON PLOT (A**2) : NULL REMARK 3 MEAN B VALUE (OVERALL, A**2) : 34.00 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 OVERALL COORDINATE ERROR. REMARK 3 ESU BASED ON R VALUE (A): NULL REMARK 3 ESU BASED ON FREE R VALUE (A): NULL REMARK 3 ESU BASED ON MAXIMUM LIKELIHOOD (A): NULL REMARK 3 ESU FOR B VALUES BASED ON MAXIMUM LIKELIHOOD (A**2): NULL REMARK 3 REMARK 3 RMS DEVIATIONS FROM IDEAL VALUES. REMARK 3 DISTANCE RESTRAINTS. RMS SIGMA REMARK 3 BOND LENGTH (A) : 0.014 ; 0.020 REMARK 3 ANGLE DISTANCE (A) : 0.031 ; 0.040 REMARK 3 INTRAPLANAR 1-4 DISTANCE (A) : 0.034 ; 0.050 REMARK 3 H-BOND OR METAL COORDINATION (A) : NULL ; NULL REMARK 3 REMARK 3 PLANE RESTRAINT (A) : NULL ; NULL REMARK 3 CHIRAL-CENTER RESTRAINT (A**3) : 0.142 ; 0.150 REMARK 3 REMARK 3 NON-BONDED CONTACT RESTRAINTS. REMARK 3 SINGLE TORSION (A) : 0.173 ; 0.300 REMARK 3 MULTIPLE TORSION (A) : 0.255 ; 0.300 REMARK 3 H-BOND (X...Y) (A) : 0.187 ; 0.200 REMARK 3 H-BOND (X-H...Y) (A) : NULL ; NULL REMARK 3 REMARK 3 CONFORMATIONAL TORSION ANGLE RESTRAINTS. REMARK 3 SPECIFIED (DEGREES) : NULL ; NULL REMARK 3 PLANAR (DEGREES) : NULL ; 7.000 REMARK 3 STAGGERED (DEGREES) : 19.400; 15.000 REMARK 3 TRANSVERSE (DEGREES) : 22.500; 20.000 REMARK 3 REMARK 3 ISOTROPIC THERMAL FACTOR RESTRAINTS. RMS SIGMA REMARK 3 MAIN-CHAIN BOND (A**2) : 1.927 ; 4.000 REMARK 3 MAIN-CHAIN ANGLE (A**2) : 4.664 ; 6.000 REMARK 3 SIDE-CHAIN BOND (A**2) : 5.166 ; 6.000 REMARK 3 SIDE-CHAIN ANGLE (A**2) : 5.370 ; 6.000 REMARK 3 REMARK 3 OTHER REFINEMENT REMARKS: ESTIMATED COORD. ERROR 0.26 ANGSTROMS REMARK 3 FINAL RMS COORD. SHIFT 0.002 ANGSTROMS REMARK 4 REMARK 4 1OBW COMPLIES WITH FORMAT V. 3.30, 13-JUL-11 REMARK 100 REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY BNL. REMARK 100 THE DEPOSITION ID IS D_1000175425. REMARK 200 REMARK 200 EXPERIMENTAL DETAILS REMARK 200 EXPERIMENT TYPE : X-RAY DIFFRACTION REMARK 200 DATE OF DATA COLLECTION : MAY-96 REMARK 200 TEMPERATURE (KELVIN) : 293 REMARK 200 PH : 7.5 REMARK 200 NUMBER OF CRYSTALS USED : 1 REMARK 200 REMARK 200 SYNCHROTRON (Y/N) : N REMARK 200 RADIATION SOURCE : NULL REMARK 200 BEAMLINE : NULL REMARK 200 X-RAY GENERATOR MODEL : NULL REMARK 200 MONOCHROMATIC OR LAUE (M/L) : M REMARK 200 WAVELENGTH OR RANGE (A) : 1.5418 REMARK 200 MONOCHROMATOR : GRAPHITE(002) REMARK 200 OPTICS : NULL REMARK 200 REMARK 200 DETECTOR TYPE : IMAGE PLATE REMARK 200 DETECTOR MANUFACTURER : MARRESEARCH REMARK 200 INTENSITY-INTEGRATION SOFTWARE : DENZO REMARK 200 DATA SCALING SOFTWARE : SCALEPACK REMARK 200 REMARK 200 NUMBER OF UNIQUE REFLECTIONS : 41190 REMARK 200 RESOLUTION RANGE HIGH (A) : 1.900 REMARK 200 RESOLUTION RANGE LOW (A) : 20.000 REMARK 200 REJECTION CRITERIA (SIGMA(I)) : 3.000 REMARK 200 REMARK 200 OVERALL. REMARK 200 COMPLETENESS FOR RANGE (%) : 99.7 REMARK 200 DATA REDUNDANCY : 6.000 REMARK 200 R MERGE (I) : 0.05000 REMARK 200 R SYM (I) : NULL REMARK 200 FOR THE DATA SET : 14.0000 REMARK 200 REMARK 200 IN THE HIGHEST RESOLUTION SHELL. REMARK 200 HIGHEST RESOLUTION SHELL, RANGE HIGH (A) : 1.90 REMARK 200 HIGHEST RESOLUTION SHELL, RANGE LOW (A) : 1.95 REMARK 200 COMPLETENESS FOR SHELL (%) : 99.2 REMARK 200 DATA REDUNDANCY IN SHELL : 3.00 REMARK 200 R MERGE FOR SHELL (I) : 0.24400 REMARK 200 R SYM FOR SHELL (I) : NULL REMARK 200 FOR SHELL : 4.000 REMARK 200 REMARK 200 DIFFRACTION PROTOCOL: NULL REMARK 200 METHOD USED TO DETERMINE THE STRUCTURE: MOLECULAR REPL. REMARK 200 SOFTWARE USED: AMORE REMARK 200 STARTING MODEL: REFINED STRUCTURE OF APO-FORM OF THIS ENZYME AT REMARK 200 2.2A. (HARUTYUNYAN ET AL., 1996, CRYSTALLOGRAPHIA(RUS), V.14 , REMARK 200 PP84-96. REMARK 200 REMARK 200 REMARK: NULL REMARK 280 REMARK 280 CRYSTAL REMARK 280 SOLVENT CONTENT, VS (%): 40.00 REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 2.34 REMARK 280 REMARK 280 CRYSTALLIZATION CONDITIONS: PH 7.5 REMARK 290 REMARK 290 CRYSTALLOGRAPHIC SYMMETRY REMARK 290 SYMMETRY OPERATORS FOR SPACE GROUP: P 32 2 1 REMARK 290 REMARK 290 SYMOP SYMMETRY REMARK 290 NNNMMM OPERATOR REMARK 290 1555 X,Y,Z REMARK 290 2555 -Y,X-Y,Z+2/3 REMARK 290 3555 -X+Y,-X,Z+1/3 REMARK 290 4555 Y,X,-Z REMARK 290 5555 X-Y,-Y,-Z+1/3 REMARK 290 6555 -X,-X+Y,-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 52.13333 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 26.06667 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 26.06667 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 52.13333 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: HEXAMERIC REMARK 350 SOFTWARE DETERMINED QUATERNARY STRUCTURE: HEXAMERIC REMARK 350 SOFTWARE USED: PISA,PQS REMARK 350 TOTAL BURIED SURFACE AREA: 15060 ANGSTROM**2 REMARK 350 SURFACE AREA OF THE COMPLEX: 39070 ANGSTROM**2 REMARK 350 CHANGE IN SOLVENT FREE ENERGY: -186.0 KCAL/MOL REMARK 350 APPLY THE FOLLOWING TO CHAINS: A, B, 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 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 52.13333 REMARK 375 REMARK 375 SPECIAL POSITION REMARK 375 THE FOLLOWING ATOMS ARE FOUND TO BE WITHIN 0.15 ANGSTROMS REMARK 375 OF A SYMMETRY RELATED ATOM AND ARE ASSUMED TO BE ON SPECIAL REMARK 375 POSITIONS. REMARK 375 REMARK 375 ATOM RES CSSEQI REMARK 375 MG MG C 176 LIES ON A SPECIAL POSITION. 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 43 CD - NE - CZ ANGL. DEV. = 19.5 DEGREES REMARK 500 TYR A 57 CB - CG - CD1 ANGL. DEV. = -3.6 DEGREES REMARK 500 ASP A 122 CB - CG - OD1 ANGL. DEV. = 5.6 DEGREES REMARK 500 LEU B 11 CA - CB - CG ANGL. DEV. = 18.2 DEGREES REMARK 500 ASP B 14 CB - CG - OD1 ANGL. DEV. = 7.2 DEGREES REMARK 500 TYR B 16 CB - CG - CD2 ANGL. DEV. = -3.6 DEGREES REMARK 500 ARG B 43 NE - CZ - NH1 ANGL. DEV. = 3.7 DEGREES REMARK 500 TYR B 77 CB - CG - CD2 ANGL. DEV. = -7.2 DEGREES REMARK 500 TYR B 77 CB - CG - CD1 ANGL. DEV. = 6.4 DEGREES REMARK 500 ARG B 86 NE - CZ - NH2 ANGL. DEV. = -3.3 DEGREES REMARK 500 ARG B 88 NE - CZ - NH2 ANGL. DEV. = 3.4 DEGREES REMARK 500 VAL B 123 CB - CA - C ANGL. DEV. = -15.6 DEGREES REMARK 500 LYS B 146 CA - C - O ANGL. DEV. = 13.6 DEGREES REMARK 500 ASP C 14 CB - CG - OD1 ANGL. DEV. = 7.5 DEGREES REMARK 500 ASP C 70 CB - CG - OD2 ANGL. DEV. = -6.9 DEGREES REMARK 500 TYR C 77 CB - CG - CD2 ANGL. DEV. = -6.2 DEGREES REMARK 500 TYR C 77 CB - CG - CD1 ANGL. DEV. = 5.8 DEGREES REMARK 500 ARG C 171 CD - NE - CZ ANGL. DEV. = 9.9 DEGREES REMARK 500 ARG C 171 NE - CZ - NH1 ANGL. DEV. = 3.4 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 10 84.69 -154.39 REMARK 500 SER A 114 149.60 -171.91 REMARK 500 LYS A 146 -74.55 -34.68 REMARK 500 PRO B 68 152.89 -46.04 REMARK 500 ASP B 97 -157.69 -149.14 REMARK 500 LYS B 146 -144.74 54.91 REMARK 500 LYS B 173 -74.04 -41.80 REMARK 500 ASP C 10 81.45 -156.88 REMARK 500 ASP C 97 -150.36 -136.89 REMARK 500 SER C 114 141.52 -170.76 REMARK 500 REMARK 500 REMARK: NULL REMARK 500 REMARK 500 GEOMETRY AND STEREOCHEMISTRY REMARK 500 SUBTOPIC: NON-CIS, NON-TRANS REMARK 500 REMARK 500 THE FOLLOWING PEPTIDE BONDS DEVIATE SIGNIFICANTLY FROM BOTH REMARK 500 CIS AND TRANS CONFORMATION. CIS BONDS, IF ANY, ARE LISTED REMARK 500 ON CISPEP RECORDS. TRANS IS DEFINED AS 180 +/- 30 AND REMARK 500 CIS IS DEFINED AS 0 +/- 30 DEGREES. REMARK 500 MODEL OMEGA REMARK 500 GLU B 145 LYS B 146 141.13 REMARK 500 GLU C 98 ALA C 99 146.65 REMARK 500 ALA C 99 GLY C 100 140.14 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 176 MG REMARK 620 N RES CSSEQI ATOM REMARK 620 1 ASP A 65 OD2 REMARK 620 2 ASP A 70 OD2 177.8 REMARK 620 3 ASP A 102 OD1 87.7 90.1 REMARK 620 4 HOH A 198 O 94.3 86.0 90.7 REMARK 620 5 HOH A 200 O 89.4 92.8 170.9 80.9 REMARK 620 6 HOH A 202 O 89.3 90.5 93.0 174.9 95.6 REMARK 620 N 1 2 3 4 5 REMARK 620 REMARK 620 COORDINATION ANGLES FOR: M RES CSSEQI METAL REMARK 620 MG A 178 MG REMARK 620 N RES CSSEQI ATOM REMARK 620 1 ASP A 70 OD1 REMARK 620 2 HOH A 213 O 88.7 REMARK 620 3 HOH A 217 O 82.4 91.2 REMARK 620 4 HOH A 224 O 93.9 98.6 169.4 REMARK 620 5 HOH A 225 O 90.6 162.5 71.3 98.9 REMARK 620 6 HOH A 242 O 144.8 65.7 75.0 112.7 106.7 REMARK 620 N 1 2 3 4 5 REMARK 620 REMARK 620 COORDINATION ANGLES FOR: M RES CSSEQI METAL REMARK 620 MG A 177 MG REMARK 620 N RES CSSEQI ATOM REMARK 620 1 HOH A 201 O REMARK 620 2 HOH A 203 O 95.9 REMARK 620 3 HOH A 209 O 92.8 90.2 REMARK 620 4 HOH B 194 O 173.4 84.3 93.8 REMARK 620 5 HOH B 201 O 81.9 94.4 173.3 91.5 REMARK 620 6 HOH B 213 O 92.6 168.8 82.1 88.1 94.0 REMARK 620 N 1 2 3 4 5 REMARK 620 REMARK 620 COORDINATION ANGLES FOR: M RES CSSEQI METAL REMARK 620 MG B 176 MG REMARK 620 N RES CSSEQI ATOM REMARK 620 1 ASP B 65 OD2 REMARK 620 2 ASP B 70 OD2 169.7 REMARK 620 3 ASP B 102 OD1 89.2 93.7 REMARK 620 4 HOH B 209 O 85.2 94.0 166.7 REMARK 620 5 HOH B 242 O 101.0 89.2 81.8 87.4 REMARK 620 6 HOH B 253 O 78.8 91.0 98.9 91.8 179.2 REMARK 620 N 1 2 3 4 5 REMARK 620 REMARK 620 COORDINATION ANGLES FOR: M RES CSSEQI METAL REMARK 620 MG B 177 MG REMARK 620 N RES CSSEQI ATOM REMARK 620 1 ASP B 70 OD1 REMARK 620 2 HOH B 206 O 88.6 REMARK 620 3 HOH B 211 O 85.3 88.8 REMARK 620 4 HOH B 233 O 95.8 174.7 94.4 REMARK 620 5 HOH B 237 O 149.9 61.5 89.6 114.2 REMARK 620 6 HOH B 239 O 97.0 91.1 177.7 85.6 88.3 REMARK 620 N 1 2 3 4 5 REMARK 620 REMARK 620 COORDINATION ANGLES FOR: M RES CSSEQI METAL REMARK 620 MG C 177 MG REMARK 620 N RES CSSEQI ATOM REMARK 620 1 ASP C 65 OD2 REMARK 620 2 ASP C 70 OD2 170.3 REMARK 620 3 ASP C 102 OD1 88.4 83.3 REMARK 620 4 HOH C 195 O 92.6 96.8 162.9 REMARK 620 5 HOH C 218 O 95.7 87.2 75.5 87.4 REMARK 620 6 HOH C 254 O 90.1 85.5 94.6 102.5 168.4 REMARK 620 N 1 2 3 4 5 REMARK 620 REMARK 620 COORDINATION ANGLES FOR: M RES CSSEQI METAL REMARK 620 MG C 176 MG REMARK 620 N RES CSSEQI ATOM REMARK 620 1 HOH C 187 O REMARK 620 2 HOH C 187 O 80.1 REMARK 620 3 HOH C 200 O 92.3 171.1 REMARK 620 4 HOH C 200 O 171.6 93.1 94.9 REMARK 620 5 HOH C 232 O 91.7 92.3 83.3 93.5 REMARK 620 6 HOH C 232 O 91.7 91.9 92.9 83.5 175.0 REMARK 620 N 1 2 3 4 5 REMARK 800 REMARK 800 SITE REMARK 800 SITE_IDENTIFIER: AC1 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE MG A 176 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC2 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE MG C 176 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC3 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE MG C 177 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC4 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE MG A 177 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC5 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE MG B 176 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC6 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE MG A 178 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC7 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE MG B 177 DBREF 1OBW A 1 175 UNP P0A7A9 IPYR_ECOLI 1 175 DBREF 1OBW B 1 175 UNP P0A7A9 IPYR_ECOLI 1 175 DBREF 1OBW C 1 175 UNP P0A7A9 IPYR_ECOLI 1 175 SEQADV 1OBW THR A 85 UNP P0A7A9 ILE 85 CONFLICT SEQADV 1OBW THR B 85 UNP P0A7A9 ILE 85 CONFLICT SEQADV 1OBW THR C 85 UNP P0A7A9 ILE 85 CONFLICT SEQRES 1 A 175 SER LEU LEU ASN VAL PRO ALA GLY LYS ASP LEU PRO GLU SEQRES 2 A 175 ASP ILE TYR VAL VAL ILE GLU ILE PRO ALA ASN ALA ASP SEQRES 3 A 175 PRO ILE LYS TYR GLU ILE ASP LYS GLU SER GLY ALA LEU SEQRES 4 A 175 PHE VAL ASP ARG PHE MET SER THR ALA MET PHE TYR PRO SEQRES 5 A 175 CYS ASN TYR GLY TYR ILE ASN HIS THR LEU SER LEU ASP SEQRES 6 A 175 GLY ASP PRO VAL ASP VAL LEU VAL PRO THR PRO TYR PRO SEQRES 7 A 175 LEU GLN PRO GLY SER VAL THR ARG CYS ARG PRO VAL GLY SEQRES 8 A 175 VAL LEU LYS MET THR ASP GLU ALA GLY GLU ASP ALA LYS SEQRES 9 A 175 LEU VAL ALA VAL PRO HIS SER LYS LEU SER LYS GLU TYR SEQRES 10 A 175 ASP HIS ILE LYS ASP VAL ASN ASP LEU PRO GLU LEU LEU SEQRES 11 A 175 LYS ALA GLN ILE ALA HIS PHE PHE GLU HIS TYR LYS ASP SEQRES 12 A 175 LEU GLU LYS GLY LYS TRP VAL LYS VAL GLU GLY TRP GLU SEQRES 13 A 175 ASN ALA GLU ALA ALA LYS ALA GLU ILE VAL ALA SER PHE SEQRES 14 A 175 GLU ARG ALA LYS ASN LYS SEQRES 1 B 175 SER LEU LEU ASN VAL PRO ALA GLY LYS ASP LEU PRO GLU SEQRES 2 B 175 ASP ILE TYR VAL VAL ILE GLU ILE PRO ALA ASN ALA ASP SEQRES 3 B 175 PRO ILE LYS TYR GLU ILE ASP LYS GLU SER GLY ALA LEU SEQRES 4 B 175 PHE VAL ASP ARG PHE MET SER THR ALA MET PHE TYR PRO SEQRES 5 B 175 CYS ASN TYR GLY TYR ILE ASN HIS THR LEU SER LEU ASP SEQRES 6 B 175 GLY ASP PRO VAL ASP VAL LEU VAL PRO THR PRO TYR PRO SEQRES 7 B 175 LEU GLN PRO GLY SER VAL THR ARG CYS ARG PRO VAL GLY SEQRES 8 B 175 VAL LEU LYS MET THR ASP GLU ALA GLY GLU ASP ALA LYS SEQRES 9 B 175 LEU VAL ALA VAL PRO HIS SER LYS LEU SER LYS GLU TYR SEQRES 10 B 175 ASP HIS ILE LYS ASP VAL ASN ASP LEU PRO GLU LEU LEU SEQRES 11 B 175 LYS ALA GLN ILE ALA HIS PHE PHE GLU HIS TYR LYS ASP SEQRES 12 B 175 LEU GLU LYS GLY LYS TRP VAL LYS VAL GLU GLY TRP GLU SEQRES 13 B 175 ASN ALA GLU ALA ALA LYS ALA GLU ILE VAL ALA SER PHE SEQRES 14 B 175 GLU ARG ALA LYS ASN LYS SEQRES 1 C 175 SER LEU LEU ASN VAL PRO ALA GLY LYS ASP LEU PRO GLU SEQRES 2 C 175 ASP ILE TYR VAL VAL ILE GLU ILE PRO ALA ASN ALA ASP SEQRES 3 C 175 PRO ILE LYS TYR GLU ILE ASP LYS GLU SER GLY ALA LEU SEQRES 4 C 175 PHE VAL ASP ARG PHE MET SER THR ALA MET PHE TYR PRO SEQRES 5 C 175 CYS ASN TYR GLY TYR ILE ASN HIS THR LEU SER LEU ASP SEQRES 6 C 175 GLY ASP PRO VAL ASP VAL LEU VAL PRO THR PRO TYR PRO SEQRES 7 C 175 LEU GLN PRO GLY SER VAL THR ARG CYS ARG PRO VAL GLY SEQRES 8 C 175 VAL LEU LYS MET THR ASP GLU ALA GLY GLU ASP ALA LYS SEQRES 9 C 175 LEU VAL ALA VAL PRO HIS SER LYS LEU SER LYS GLU TYR SEQRES 10 C 175 ASP HIS ILE LYS ASP VAL ASN ASP LEU PRO GLU LEU LEU SEQRES 11 C 175 LYS ALA GLN ILE ALA HIS PHE PHE GLU HIS TYR LYS ASP SEQRES 12 C 175 LEU GLU LYS GLY LYS TRP VAL LYS VAL GLU GLY TRP GLU SEQRES 13 C 175 ASN ALA GLU ALA ALA LYS ALA GLU ILE VAL ALA SER PHE SEQRES 14 C 175 GLU ARG ALA LYS ASN LYS HET MG A 176 1 HET MG A 177 1 HET MG A 178 1 HET MG B 176 1 HET MG B 177 1 HET MG C 176 1 HET MG C 177 1 HETNAM MG MAGNESIUM ION FORMUL 4 MG 7(MG 2+) FORMUL 11 HOH *250(H2 O) HELIX 1 1 LEU A 2 ASN A 4 5 3 HELIX 2 2 VAL A 123 ASP A 125 5 3 HELIX 3 3 GLU A 128 HIS A 140 1 13 HELIX 4 4 ALA A 158 ASN A 174 1 17 HELIX 5 5 LEU B 2 ASN B 4 5 3 HELIX 6 6 VAL B 123 ASP B 125 5 3 HELIX 7 7 GLU B 128 HIS B 140 1 13 HELIX 8 8 ALA B 158 ASN B 174 1 17 HELIX 9 9 LEU C 2 ASN C 4 5 3 HELIX 10 10 VAL C 123 ASP C 125 5 3 HELIX 11 11 GLU C 128 HIS C 140 1 13 HELIX 12 12 ALA C 158 LYS C 173 1 16 SHEET 1 A 7 VAL A 84 CYS A 87 0 SHEET 2 A 7 ILE A 15 ILE A 21 -1 N VAL A 17 O THR A 85 SHEET 3 A 7 ASN A 54 TYR A 57 -1 N TYR A 57 O VAL A 18 SHEET 4 A 7 ASP A 70 VAL A 73 -1 N VAL A 73 O ASN A 54 SHEET 5 A 7 LYS A 104 PRO A 109 1 N LEU A 105 O ASP A 70 SHEET 6 A 7 CYS A 87 ASP A 97 -1 N LEU A 93 O LYS A 104 SHEET 7 A 7 VAL A 150 GLU A 156 -1 N GLU A 156 O VAL A 92 SHEET 1 B 7 VAL B 84 CYS B 87 0 SHEET 2 B 7 ILE B 15 ILE B 21 -1 N VAL B 17 O THR B 85 SHEET 3 B 7 ASN B 54 TYR B 57 -1 N TYR B 57 O VAL B 18 SHEET 4 B 7 ASP B 70 VAL B 73 -1 N VAL B 73 O ASN B 54 SHEET 5 B 7 LYS B 104 PRO B 109 1 N LEU B 105 O ASP B 70 SHEET 6 B 7 CYS B 87 THR B 96 -1 N LEU B 93 O LYS B 104 SHEET 7 B 7 LYS B 151 GLU B 156 -1 N GLU B 156 O VAL B 92 SHEET 1 C 7 VAL C 84 CYS C 87 0 SHEET 2 C 7 ILE C 15 ILE C 21 -1 N VAL C 17 O THR C 85 SHEET 3 C 7 ASN C 54 TYR C 57 -1 N TYR C 57 O VAL C 18 SHEET 4 C 7 ASP C 70 VAL C 73 -1 N VAL C 73 O ASN C 54 SHEET 5 C 7 LYS C 104 PRO C 109 1 N LEU C 105 O ASP C 70 SHEET 6 C 7 CYS C 87 ASP C 97 -1 N LEU C 93 O LYS C 104 SHEET 7 C 7 VAL C 150 GLU C 156 -1 N GLU C 156 O VAL C 92 SHEET 1 D 2 ILE A 28 ILE A 32 0 SHEET 2 D 2 LEU A 39 PHE A 44 -1 N ARG A 43 O LYS A 29 SHEET 1 E 2 ILE B 28 ILE B 32 0 SHEET 2 E 2 LEU B 39 PHE B 44 -1 N ARG B 43 O LYS B 29 SHEET 1 F 2 ILE C 28 ILE C 32 0 SHEET 2 F 2 LEU C 39 PHE C 44 -1 N ARG C 43 O LYS C 29 LINK OD2 ASP A 65 MG MG A 176 1555 1555 1.98 LINK OD2 ASP A 70 MG MG A 176 1555 1555 2.20 LINK OD1 ASP A 70 MG MG A 178 1555 1555 2.06 LINK OD1 ASP A 102 MG MG A 176 1555 1555 1.98 LINK MG MG A 176 O HOH A 198 1555 1555 2.14 LINK MG MG A 176 O HOH A 200 1555 1555 2.15 LINK MG MG A 176 O HOH A 202 1555 1555 2.01 LINK MG MG A 177 O HOH A 201 1555 1555 2.18 LINK MG MG A 177 O HOH A 203 1555 1555 2.13 LINK MG MG A 177 O HOH A 209 1555 1555 2.12 LINK MG MG A 177 O HOH B 194 1555 6555 2.25 LINK MG MG A 177 O HOH B 201 1555 6555 2.14 LINK MG MG A 177 O HOH B 213 1555 6555 2.16 LINK MG MG A 178 O HOH A 213 1555 1555 2.13 LINK MG MG A 178 O HOH A 217 1555 1555 2.67 LINK MG MG A 178 O HOH A 224 1555 1555 1.98 LINK MG MG A 178 O HOH A 225 1555 1555 1.95 LINK MG MG A 178 O HOH A 242 1555 1555 2.20 LINK OD2 ASP B 65 MG MG B 176 1555 1555 2.13 LINK OD2 ASP B 70 MG MG B 176 1555 1555 2.15 LINK OD1 ASP B 70 MG MG B 177 1555 1555 2.06 LINK OD1 ASP B 102 MG MG B 176 1555 1555 1.97 LINK MG MG B 176 O HOH B 209 1555 1555 2.13 LINK MG MG B 176 O HOH B 242 1555 1555 2.09 LINK MG MG B 176 O HOH B 253 1555 1555 1.94 LINK MG MG B 177 O HOH B 206 1555 1555 2.20 LINK MG MG B 177 O HOH B 211 1555 1555 2.10 LINK MG MG B 177 O HOH B 233 1555 1555 2.03 LINK MG MG B 177 O HOH B 237 1555 1555 2.26 LINK MG MG B 177 O HOH B 239 1555 1555 2.30 LINK OD2 ASP C 65 MG MG C 177 1555 1555 2.08 LINK OD2 ASP C 70 MG MG C 177 1555 1555 2.21 LINK OD1 ASP C 102 MG MG C 177 1555 1555 2.10 LINK MG MG C 176 O HOH C 187 1555 1555 2.16 LINK MG MG C 176 O HOH C 187 1555 6555 2.15 LINK MG MG C 176 O HOH C 200 1555 1555 2.12 LINK MG MG C 176 O HOH C 200 1555 6555 2.11 LINK MG MG C 176 O HOH C 232 1555 1555 2.09 LINK MG MG C 176 O HOH C 232 1555 6555 2.10 LINK MG MG C 177 O HOH C 195 1555 1555 2.03 LINK MG MG C 177 O HOH C 218 1555 1555 1.74 LINK MG MG C 177 O HOH C 254 1555 1555 1.83 CISPEP 1 LEU A 11 PRO A 12 0 0.20 CISPEP 2 LEU B 11 PRO B 12 0 14.02 CISPEP 3 LEU C 11 PRO C 12 0 0.80 SITE 1 AC1 6 ASP A 65 ASP A 70 ASP A 102 HOH A 198 SITE 2 AC1 6 HOH A 200 HOH A 202 SITE 1 AC2 3 HOH C 187 HOH C 200 HOH C 232 SITE 1 AC3 6 ASP C 65 ASP C 70 ASP C 102 HOH C 195 SITE 2 AC3 6 HOH C 218 HOH C 254 SITE 1 AC4 6 HOH A 201 HOH A 203 HOH A 209 HOH B 194 SITE 2 AC4 6 HOH B 201 HOH B 213 SITE 1 AC5 6 ASP B 65 ASP B 70 ASP B 102 HOH B 209 SITE 2 AC5 6 HOH B 242 HOH B 253 SITE 1 AC6 6 ASP A 70 HOH A 213 HOH A 217 HOH A 224 SITE 2 AC6 6 HOH A 225 HOH A 242 SITE 1 AC7 6 ASP B 70 HOH B 206 HOH B 211 HOH B 233 SITE 2 AC7 6 HOH B 237 HOH B 239 CRYST1 110.300 110.300 78.200 90.00 90.00 120.00 P 32 2 1 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 0.009066 0.005234 0.000000 0.00000 SCALE2 0.000000 0.010469 0.000000 0.00000 SCALE3 0.000000 0.000000 0.012788 0.00000 MTRIX1 1 -0.477050 -0.874900 -0.083550 3.28619 1 MTRIX2 1 0.877430 -0.479560 0.011850 63.82998 1 MTRIX3 1 -0.050430 -0.067650 0.996430 1.17431 1 MTRIX1 2 -0.513750 0.856610 -0.047770 -54.36329 1 MTRIX2 2 -0.851980 -0.515940 -0.089080 35.19120 1 MTRIX3 2 -0.100960 -0.005070 0.994880 -1.55517 1