HEADER LIGASE 11-OCT-11 3U55 TITLE CRYSTAL STRUCTURE (TYPE-2) OF SAICAR SYNTHETASE FROM PYROCOCCUS TITLE 2 HORIKOSHII OT3 COMPND MOL_ID: 1; COMPND 2 MOLECULE: PHOSPHORIBOSYLAMINOIMIDAZOLE-SUCCINOCARBOXAMIDE SYNTHASE; COMPND 3 CHAIN: A; COMPND 4 SYNONYM: SAICAR SYNTHETASE; COMPND 5 EC: 6.3.2.6; COMPND 6 ENGINEERED: YES SOURCE MOL_ID: 1; SOURCE 2 ORGANISM_SCIENTIFIC: PYROCOCCUS HORIKOSHII; SOURCE 3 ORGANISM_TAXID: 70601; SOURCE 4 STRAIN: OT3; SOURCE 5 GENE: PH0239, PURC; SOURCE 6 EXPRESSION_SYSTEM: ESCHERICHIA COLI; SOURCE 7 EXPRESSION_SYSTEM_TAXID: 562; SOURCE 8 EXPRESSION_SYSTEM_STRAIN: BL21-CODONPLUS (DE3)-RIL; SOURCE 9 EXPRESSION_SYSTEM_VECTOR_TYPE: PLASMID; SOURCE 10 EXPRESSION_SYSTEM_PLASMID: PET11A KEYWDS SAICAR SYNTHETASE-LIKE FOLD, LIGASE, ATP-BINDING, KEYWDS 2 PHOSPHORIBOSYLAMINOIMIDAZOLE-SUCCINOCARBOXAMIDE SYNTHETASE, PURC, DE KEYWDS 3 NOVO PURINE BIOSYNTHESIS, LIGATION OF CARBOXY AND AMINE GROUPS EXPDTA X-RAY DIFFRACTION AUTHOR K.MANJUNATH,S.P.KANAUJIA,S.KANAGARAJ,J.JEYAKANTHAN,K.SEKAR REVDAT 3 01-NOV-23 3U55 1 REMARK REVDAT 2 18-DEC-13 3U55 1 JRNL REVDAT 1 17-OCT-12 3U55 0 JRNL AUTH K.MANJUNATH,S.P.KANAUJIA,S.KANAGARAJ,J.JEYAKANTHAN,K.SEKAR JRNL TITL STRUCTURE OF SAICAR SYNTHETASE FROM PYROCOCCUS HORIKOSHII JRNL TITL 2 OT3: INSIGHTS INTO THERMAL STABILITY JRNL REF INT.J.BIOL.MACROMOL. V. 53 7 2013 JRNL REFN ISSN 0141-8130 JRNL PMID 23137517 JRNL DOI 10.1016/J.IJBIOMAC.2012.10.028 REMARK 2 REMARK 2 RESOLUTION. 1.90 ANGSTROMS. REMARK 3 REMARK 3 REFINEMENT. REMARK 3 PROGRAM : REFMAC 5.5.0102 REMARK 3 AUTHORS : MURSHUDOV,SKUBAK,LEBEDEV,PANNU,STEINER, REMARK 3 : NICHOLLS,WINN,LONG,VAGIN REMARK 3 REMARK 3 REFINEMENT TARGET : MAXIMUM LIKELIHOOD REMARK 3 REMARK 3 DATA USED IN REFINEMENT. REMARK 3 RESOLUTION RANGE HIGH (ANGSTROMS) : 1.90 REMARK 3 RESOLUTION RANGE LOW (ANGSTROMS) : 42.42 REMARK 3 DATA CUTOFF (SIGMA(F)) : NULL REMARK 3 COMPLETENESS FOR RANGE (%) : 98.7 REMARK 3 NUMBER OF REFLECTIONS : 20332 REMARK 3 REMARK 3 FIT TO DATA USED IN REFINEMENT. REMARK 3 CROSS-VALIDATION METHOD : THROUGHOUT REMARK 3 FREE R VALUE TEST SET SELECTION : RANDOM REMARK 3 R VALUE (WORKING + TEST SET) : 0.186 REMARK 3 R VALUE (WORKING SET) : 0.184 REMARK 3 FREE R VALUE : 0.229 REMARK 3 FREE R VALUE TEST SET SIZE (%) : 5.100 REMARK 3 FREE R VALUE TEST SET COUNT : 1096 REMARK 3 REMARK 3 FIT IN THE HIGHEST RESOLUTION BIN. REMARK 3 TOTAL NUMBER OF BINS USED : 20 REMARK 3 BIN RESOLUTION RANGE HIGH (A) : 1.90 REMARK 3 BIN RESOLUTION RANGE LOW (A) : 1.95 REMARK 3 REFLECTION IN BIN (WORKING SET) : 1444 REMARK 3 BIN COMPLETENESS (WORKING+TEST) (%) : 97.02 REMARK 3 BIN R VALUE (WORKING SET) : 0.2380 REMARK 3 BIN FREE R VALUE SET COUNT : 85 REMARK 3 BIN FREE R VALUE : 0.3210 REMARK 3 REMARK 3 NUMBER OF NON-HYDROGEN ATOMS USED IN REFINEMENT. REMARK 3 PROTEIN ATOMS : 1806 REMARK 3 NUCLEIC ACID ATOMS : 0 REMARK 3 HETEROGEN ATOMS : 14 REMARK 3 SOLVENT ATOMS : 211 REMARK 3 REMARK 3 B VALUES. REMARK 3 FROM WILSON PLOT (A**2) : 21.50 REMARK 3 MEAN B VALUE (OVERALL, A**2) : 22.83 REMARK 3 OVERALL ANISOTROPIC B VALUE. REMARK 3 B11 (A**2) : -0.10000 REMARK 3 B22 (A**2) : 0.54000 REMARK 3 B33 (A**2) : -0.45000 REMARK 3 B12 (A**2) : 0.00000 REMARK 3 B13 (A**2) : 0.00000 REMARK 3 B23 (A**2) : 0.00000 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): 0.142 REMARK 3 ESU BASED ON MAXIMUM LIKELIHOOD (A): 0.088 REMARK 3 ESU FOR B VALUES BASED ON MAXIMUM LIKELIHOOD (A**2): 2.884 REMARK 3 REMARK 3 CORRELATION COEFFICIENTS. REMARK 3 CORRELATION COEFFICIENT FO-FC : 0.951 REMARK 3 CORRELATION COEFFICIENT FO-FC FREE : 0.930 REMARK 3 REMARK 3 RMS DEVIATIONS FROM IDEAL VALUES COUNT RMS WEIGHT REMARK 3 BOND LENGTHS REFINED ATOMS (A): 1896 ; 0.007 ; 0.022 REMARK 3 BOND LENGTHS OTHERS (A): NULL ; NULL ; NULL REMARK 3 BOND ANGLES REFINED ATOMS (DEGREES): 2562 ; 0.992 ; 1.995 REMARK 3 BOND ANGLES OTHERS (DEGREES): NULL ; NULL ; NULL REMARK 3 TORSION ANGLES, PERIOD 1 (DEGREES): 238 ; 4.911 ; 5.000 REMARK 3 TORSION ANGLES, PERIOD 2 (DEGREES): 82 ;37.998 ;24.512 REMARK 3 TORSION ANGLES, PERIOD 3 (DEGREES): 359 ;13.554 ;15.000 REMARK 3 TORSION ANGLES, PERIOD 4 (DEGREES): 9 ;10.713 ;15.000 REMARK 3 CHIRAL-CENTER RESTRAINTS (A**3): 283 ; 0.066 ; 0.200 REMARK 3 GENERAL PLANES REFINED ATOMS (A): 1401 ; 0.004 ; 0.021 REMARK 3 GENERAL PLANES OTHERS (A): NULL ; NULL ; NULL REMARK 3 NON-BONDED CONTACTS REFINED ATOMS (A): NULL ; NULL ; NULL REMARK 3 NON-BONDED CONTACTS OTHERS (A): NULL ; NULL ; NULL REMARK 3 NON-BONDED TORSION REFINED ATOMS (A): NULL ; NULL ; NULL REMARK 3 NON-BONDED TORSION OTHERS (A): NULL ; NULL ; NULL REMARK 3 H-BOND (X...Y) REFINED ATOMS (A): NULL ; NULL ; NULL REMARK 3 H-BOND (X...Y) OTHERS (A): NULL ; NULL ; NULL REMARK 3 POTENTIAL METAL-ION REFINED ATOMS (A): NULL ; NULL ; NULL REMARK 3 POTENTIAL METAL-ION OTHERS (A): NULL ; NULL ; NULL REMARK 3 SYMMETRY VDW REFINED ATOMS (A): NULL ; NULL ; NULL REMARK 3 SYMMETRY VDW OTHERS (A): NULL ; NULL ; NULL REMARK 3 SYMMETRY H-BOND REFINED ATOMS (A): NULL ; NULL ; NULL REMARK 3 SYMMETRY H-BOND OTHERS (A): NULL ; NULL ; NULL REMARK 3 SYMMETRY METAL-ION REFINED ATOMS (A): NULL ; NULL ; NULL REMARK 3 SYMMETRY METAL-ION OTHERS (A): NULL ; NULL ; NULL REMARK 3 REMARK 3 ISOTROPIC THERMAL FACTOR RESTRAINTS. COUNT RMS WEIGHT REMARK 3 MAIN-CHAIN BOND REFINED ATOMS (A**2): 1149 ; 1.151 ; 1.500 REMARK 3 MAIN-CHAIN BOND OTHER ATOMS (A**2): NULL ; NULL ; NULL REMARK 3 MAIN-CHAIN ANGLE REFINED ATOMS (A**2): 1854 ; 1.947 ; 2.000 REMARK 3 MAIN-CHAIN ANGLE OTHER ATOMS (A**2): NULL ; NULL ; NULL REMARK 3 SIDE-CHAIN BOND REFINED ATOMS (A**2): 747 ; 3.157 ; 3.000 REMARK 3 SIDE-CHAIN BOND OTHER ATOMS (A**2): NULL ; NULL ; NULL REMARK 3 SIDE-CHAIN ANGLE REFINED ATOMS (A**2): 702 ; 5.044 ; 4.500 REMARK 3 SIDE-CHAIN ANGLE OTHER ATOMS (A**2): NULL ; NULL ; NULL REMARK 3 LONG RANGE B REFINED ATOMS (A**2): NULL ; NULL ; NULL REMARK 3 LONG RANGE B OTHER ATOMS (A**2): NULL ; NULL ; NULL REMARK 3 REMARK 3 ANISOTROPIC THERMAL FACTOR RESTRAINTS. COUNT RMS WEIGHT REMARK 3 RIGID-BOND RESTRAINTS (A**2): NULL ; NULL ; NULL REMARK 3 SPHERICITY; FREE ATOMS (A**2): NULL ; NULL ; NULL REMARK 3 SPHERICITY; BONDED ATOMS (A**2): NULL ; NULL ; NULL REMARK 3 REMARK 3 NCS RESTRAINTS STATISTICS REMARK 3 NUMBER OF DIFFERENT NCS GROUPS : NULL REMARK 3 REMARK 3 TLS DETAILS REMARK 3 NUMBER OF TLS GROUPS : NULL REMARK 3 REMARK 3 BULK SOLVENT MODELLING. REMARK 3 METHOD USED : MASK REMARK 3 PARAMETERS FOR MASK CALCULATION REMARK 3 VDW PROBE RADIUS : 1.40 REMARK 3 ION PROBE RADIUS : 0.80 REMARK 3 SHRINKAGE RADIUS : 0.80 REMARK 3 REMARK 3 OTHER REFINEMENT REMARKS: HYDROGENS HAVE BEEN ADDED IN THE RIDING REMARK 3 POSITIONS REMARK 4 REMARK 4 3U55 COMPLIES WITH FORMAT V. 3.30, 13-JUL-11 REMARK 100 REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY PDBJ ON 21-OCT-11. REMARK 100 THE DEPOSITION ID IS D_1000068318. REMARK 200 REMARK 200 EXPERIMENTAL DETAILS REMARK 200 EXPERIMENT TYPE : X-RAY DIFFRACTION REMARK 200 DATE OF DATA COLLECTION : 10-FEB-11 REMARK 200 TEMPERATURE (KELVIN) : 100 REMARK 200 PH : 4.6 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 : BRUKER AXS MICROSTAR REMARK 200 MONOCHROMATIC OR LAUE (M/L) : M REMARK 200 WAVELENGTH OR RANGE (A) : 1.5418 REMARK 200 MONOCHROMATOR : OSMIC MIRROR REMARK 200 OPTICS : MIRRORS REMARK 200 REMARK 200 DETECTOR TYPE : IMAGE PLATE REMARK 200 DETECTOR MANUFACTURER : MAR SCANNER 345 MM PLATE REMARK 200 INTENSITY-INTEGRATION SOFTWARE : MOSFLM REMARK 200 DATA SCALING SOFTWARE : SCALA REMARK 200 REMARK 200 NUMBER OF UNIQUE REFLECTIONS : 21450 REMARK 200 RESOLUTION RANGE HIGH (A) : 1.900 REMARK 200 RESOLUTION RANGE LOW (A) : 42.420 REMARK 200 REJECTION CRITERIA (SIGMA(I)) : 0.000 REMARK 200 REMARK 200 OVERALL. REMARK 200 COMPLETENESS FOR RANGE (%) : 98.9 REMARK 200 DATA REDUNDANCY : 5.300 REMARK 200 R MERGE (I) : 0.04200 REMARK 200 R SYM (I) : NULL REMARK 200 FOR THE DATA SET : 24.1000 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) : 2.00 REMARK 200 COMPLETENESS FOR SHELL (%) : 97.5 REMARK 200 DATA REDUNDANCY IN SHELL : 5.20 REMARK 200 R MERGE FOR SHELL (I) : 0.19100 REMARK 200 R SYM FOR SHELL (I) : NULL REMARK 200 FOR SHELL : 8.000 REMARK 200 REMARK 200 DIFFRACTION PROTOCOL: SINGLE WAVELENGTH REMARK 200 METHOD USED TO DETERMINE THE STRUCTURE: MOLECULAR REPLACEMENT REMARK 200 SOFTWARE USED: PHASER REMARK 200 STARTING MODEL: PDB ENTRY 3U54 REMARK 200 REMARK 200 REMARK: NULL REMARK 280 REMARK 280 CRYSTAL REMARK 280 SOLVENT CONTENT, VS (%): 49.64 REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 2.44 REMARK 280 REMARK 280 CRYSTALLIZATION CONDITIONS: 0.2M AMMONIUM SULPHATE, 0.1M SODIUM REMARK 280 ACETATE TRIHYDRATE, 30% PEG MONOMETHYL ETHER, PH 4.6, MICROBATCH REMARK 280 UNDEROIL, TEMPERATURE 293K REMARK 290 REMARK 290 CRYSTALLOGRAPHIC SYMMETRY REMARK 290 SYMMETRY OPERATORS FOR SPACE GROUP: C 2 2 21 REMARK 290 REMARK 290 SYMOP SYMMETRY REMARK 290 NNNMMM OPERATOR REMARK 290 1555 X,Y,Z REMARK 290 2555 -X,-Y,Z+1/2 REMARK 290 3555 -X,Y,-Z+1/2 REMARK 290 4555 X,-Y,-Z REMARK 290 5555 X+1/2,Y+1/2,Z REMARK 290 6555 -X+1/2,-Y+1/2,Z+1/2 REMARK 290 7555 -X+1/2,Y+1/2,-Z+1/2 REMARK 290 8555 X+1/2,-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 0.00000 REMARK 290 SMTRY3 2 0.000000 0.000000 1.000000 39.17500 REMARK 290 SMTRY1 3 -1.000000 0.000000 0.000000 0.00000 REMARK 290 SMTRY2 3 0.000000 1.000000 0.000000 0.00000 REMARK 290 SMTRY3 3 0.000000 0.000000 -1.000000 39.17500 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 0.00000 REMARK 290 SMTRY1 5 1.000000 0.000000 0.000000 22.05000 REMARK 290 SMTRY2 5 0.000000 1.000000 0.000000 77.69500 REMARK 290 SMTRY3 5 0.000000 0.000000 1.000000 0.00000 REMARK 290 SMTRY1 6 -1.000000 0.000000 0.000000 22.05000 REMARK 290 SMTRY2 6 0.000000 -1.000000 0.000000 77.69500 REMARK 290 SMTRY3 6 0.000000 0.000000 1.000000 39.17500 REMARK 290 SMTRY1 7 -1.000000 0.000000 0.000000 22.05000 REMARK 290 SMTRY2 7 0.000000 1.000000 0.000000 77.69500 REMARK 290 SMTRY3 7 0.000000 0.000000 -1.000000 39.17500 REMARK 290 SMTRY1 8 1.000000 0.000000 0.000000 22.05000 REMARK 290 SMTRY2 8 0.000000 -1.000000 0.000000 77.69500 REMARK 290 SMTRY3 8 0.000000 0.000000 -1.000000 0.00000 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 300 REMARK: AUTHOR DETERMINED BIOLOGICAL UNIT: UNKNOWN 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 SOFTWARE DETERMINED QUATERNARY STRUCTURE: DIMERIC REMARK 350 SOFTWARE USED: PISA REMARK 350 TOTAL BURIED SURFACE AREA: 3530 ANGSTROM**2 REMARK 350 SURFACE AREA OF THE COMPLEX: 19970 ANGSTROM**2 REMARK 350 CHANGE IN SOLVENT FREE ENERGY: -69.0 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 -1.000000 0.000000 0.000000 0.00000 REMARK 350 BIOMT2 2 0.000000 1.000000 0.000000 0.00000 REMARK 350 BIOMT3 2 0.000000 0.000000 -1.000000 39.17500 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 HOH A 392 LIES ON A SPECIAL POSITION. REMARK 375 HOH A 407 LIES ON A SPECIAL POSITION. 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 VAL A 2 REMARK 465 LYS A 3 REMARK 465 LEU A 4 REMARK 465 MET A 5 REMARK 465 GLU A 6 REMARK 465 VAL A 7 REMARK 465 TYR A 8 REMARK 465 GLU A 9 REMARK 465 GLY A 10 REMARK 465 LYS A 11 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 14 CG CD CE NZ REMARK 470 ILE A 16 CB CG1 CG2 CD1 REMARK 470 ASP A 20 CG OD1 OD2 REMARK 470 LYS A 28 CE NZ REMARK 470 LYS A 102 CE NZ REMARK 470 GLU A 125 CD OE1 OE2 REMARK 470 LYS A 175 CD CE NZ REMARK 470 LYS A 182 CE NZ REMARK 470 LYS A 203 CD CE NZ REMARK 470 GLU A 234 OE1 OE2 REMARK 470 LYS A 235 CB CG CD CE NZ REMARK 470 GLU A 237 CB CG CD OE1 OE2 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 19 -157.27 -156.08 REMARK 500 ASN A 123 107.07 -162.81 REMARK 500 ALA A 189 -152.92 -122.63 REMARK 500 ASP A 190 -134.79 50.36 REMARK 500 ASP A 209 -169.78 -162.68 REMARK 500 REMARK 500 REMARK: NULL REMARK 800 REMARK 800 SITE REMARK 800 SITE_IDENTIFIER: AC1 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE SO4 A 500 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC2 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE SO4 A 501 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC3 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE ACT A 502 REMARK 900 REMARK 900 RELATED ENTRIES REMARK 900 RELATED ID: 3U54 RELATED DB: PDB REMARK 900 SAICAR SYNTHETASE (TYPE-1) FROM PYROCOCCUS HORIKOSHII DBREF 3U55 A 1 238 UNP O57978 PUR7_PYRHO 1 238 SEQRES 1 A 238 MET VAL LYS LEU MET GLU VAL TYR GLU GLY LYS ALA LYS SEQRES 2 A 238 LYS MET ILE PRO ILE ASP ASP ASP LYS LEU ILE MET GLU SEQRES 3 A 238 PHE LYS ASP ASP ALA THR ALA PHE ASP GLY THR LYS LYS SEQRES 4 A 238 ALA ARG PHE LYS GLY LYS GLY TRP LEU ASN ALA GLN LEU SEQRES 5 A 238 SER VAL ILE PHE PHE LYS LEU LEU GLU GLU HIS GLY ILE SEQRES 6 A 238 LYS THR HIS PHE ILE GLY VAL ALA GLY GLY ASN ARG LEU SEQRES 7 A 238 ILE VAL GLU LYS LEU ASP MET TYR PRO LEU GLU VAL VAL SEQRES 8 A 238 VAL ARG ASN VAL VAL ALA GLY SER LEU LYS LYS ARG LEU SEQRES 9 A 238 PRO LEU PRO GLU GLY TYR GLU LEU PRO GLU PRO ILE VAL SEQRES 10 A 238 GLU LEU TYR TYR LYS ASN ASP GLU LEU HIS ASP PRO MET SEQRES 11 A 238 ILE ASN TYR TYR HIS ALA LYS VAL LEU GLY ILE SER LEU SEQRES 12 A 238 ASP GLU ILE LYS LYS ILE GLU GLU ILE ALA LEU LYS VAL SEQRES 13 A 238 ASN GLU ILE LEU LYS ASP TYR LEU ALA LYS LYS GLY ILE SEQRES 14 A 238 ILE LEU VAL ASP PHE LYS LEU GLU PHE GLY LYS ASP LYS SEQRES 15 A 238 ASN GLY ASP ILE VAL LEU ALA ASP GLU ILE SER PRO ASP SEQRES 16 A 238 THR CYS ARG PHE TRP ASP ALA LYS THR LYS ARG SER LEU SEQRES 17 A 238 ASP LYS ASP VAL PHE ARG PHE ASP LYS GLY ASP LEU ILE SEQRES 18 A 238 GLU ALA TYR LYS GLU ILE TYR GLU ARG ILE THR GLY GLU SEQRES 19 A 238 LYS PRO GLU PHE HET SO4 A 500 5 HET SO4 A 501 5 HET ACT A 502 8 HETNAM SO4 SULFATE ION HETNAM ACT ACETATE ION FORMUL 2 SO4 2(O4 S 2-) FORMUL 4 ACT C2 H3 O2 1- FORMUL 5 HOH *211(H2 O) HELIX 1 1 GLY A 44 HIS A 63 1 20 HELIX 2 2 ALA A 97 ARG A 103 5 7 HELIX 3 3 ASN A 132 LEU A 139 1 8 HELIX 4 4 SER A 142 LYS A 166 1 25 HELIX 5 5 LYS A 210 PHE A 215 1 6 HELIX 6 6 ASP A 219 GLY A 233 1 15 SHEET 1 A 4 LYS A 13 PRO A 17 0 SHEET 2 A 4 LYS A 22 PHE A 27 -1 O ILE A 24 N ILE A 16 SHEET 3 A 4 ARG A 77 GLU A 81 -1 O LEU A 78 N MET A 25 SHEET 4 A 4 PHE A 69 VAL A 72 -1 N GLY A 71 O ILE A 79 SHEET 1 B 2 ASP A 30 ALA A 33 0 SHEET 2 B 2 LYS A 38 ARG A 41 -1 O ALA A 40 N ALA A 31 SHEET 1 C 3 ASP A 84 MET A 85 0 SHEET 2 C 3 PHE A 178 LYS A 180 -1 O LYS A 180 N ASP A 84 SHEET 3 C 3 ILE A 186 LEU A 188 -1 O VAL A 187 N GLY A 179 SHEET 1 D 5 MET A 130 ILE A 131 0 SHEET 2 D 5 GLU A 111 TYR A 121 -1 N LEU A 119 O ILE A 131 SHEET 3 D 5 LEU A 88 VAL A 95 -1 N VAL A 91 O GLU A 118 SHEET 4 D 5 ILE A 169 LEU A 176 -1 O LEU A 176 N VAL A 90 SHEET 5 D 5 CYS A 197 ASP A 201 -1 O TRP A 200 N ILE A 170 SITE 1 AC1 5 ARG A 93 GLY A 98 SER A 99 ARG A 198 SITE 2 AC1 5 HOH A 429 SITE 1 AC2 5 THR A 32 PHE A 34 LYS A 210 ARG A 214 SITE 2 AC2 5 HOH A 403 SITE 1 AC3 4 ARG A 103 PRO A 129 MET A 130 HOH A 286 CRYST1 44.100 155.390 78.350 90.00 90.00 90.00 C 2 2 21 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 0.022676 0.000000 0.000000 0.00000 SCALE2 0.000000 0.006435 0.000000 0.00000 SCALE3 0.000000 0.000000 0.012763 0.00000