PDB Short entry for 1M9N HEADER TRANSFERASE, HYDROLASE 29-JUL-02 1M9N TITLE CRYSTAL STRUCTURE OF THE HOMODIMERIC BIFUNCTIONAL TRANSFORMYLASE AND TITLE 2 CYCLOHYDROLASE ENZYME AVIAN ATIC IN COMPLEX WITH AICAR AND XMP AT TITLE 3 1.93 ANGSTROMS. COMPND MOL_ID: 1; COMPND 2 MOLECULE: AICAR TRANSFORMYLASE-IMP CYCLOHYDROLASE; COMPND 3 CHAIN: A, B; COMPND 4 SYNONYM: BIFUNCTIONAL PURINE BIOSYNTHESIS PROTEIN PURH [INCLUDES COMPND 5 PHOSPHORIBOSYLAMINOIMIDAZOLECARBOXAMIDE FORMYLTRANSFERASE (AICAR COMPND 6 TRANSFORMYLASE) AND IMP CYCLOHYDROLASE (INOSINICASE, IMP SYNTHETASE, COMPND 7 ATIC)]; COMPND 8 EC: 2.1.2.3, 3.5.4.10; COMPND 9 ENGINEERED: YES SOURCE MOL_ID: 1; SOURCE 2 ORGANISM_SCIENTIFIC: GALLUS GALLUS; SOURCE 3 ORGANISM_COMMON: CHICKEN; SOURCE 4 ORGANISM_TAXID: 9031; SOURCE 5 GENE: PURH; SOURCE 6 EXPRESSION_SYSTEM: ESCHERICHIA COLI BL21(DE3); SOURCE 7 EXPRESSION_SYSTEM_TAXID: 469008; SOURCE 8 EXPRESSION_SYSTEM_STRAIN: BL21(DE3); SOURCE 9 EXPRESSION_SYSTEM_VECTOR_TYPE: PLASMID; SOURCE 10 EXPRESSION_SYSTEM_PLASMID: PET28A KEYWDS HOMODIMER, 2 FUNCTIONAL DOMAINS; IMPCH DOMAIN = ALPHA/BETA/ALPHA; KEYWDS 2 AICAR TFASE = 2 ALPHA/BETA/ALPHA DOMAINS, 1 ALPHA + BETA DOMAIN, KEYWDS 3 TRANSFERASE, HYDROLASE EXPDTA X-RAY DIFFRACTION AUTHOR D.W.WOLAN,S.E.GREASLY,G.P.BEARDSLEY,I.A.WILSON REVDAT 4 14-FEB-24 1M9N 1 REMARK SEQADV LINK REVDAT 3 13-JUL-11 1M9N 1 VERSN REVDAT 2 24-FEB-09 1M9N 1 VERSN REVDAT 1 07-JAN-03 1M9N 0 JRNL AUTH D.W.WOLAN,S.E.GREASLY,G.P.BEARDSLEY,I.A.WILSON JRNL TITL STRUCTURAL INSIGHTS INTO THE AVIAN AICAR TRANSFORMYLASE JRNL TITL 2 MECHANISM. JRNL REF BIOCHEMISTRY V. 41 15505 2002 JRNL REFN ISSN 0006-2960 JRNL PMID 12501179 JRNL DOI 10.1021/BI020505X REMARK 2 REMARK 2 RESOLUTION. 1.93 ANGSTROMS. REMARK 3 REMARK 3 REFINEMENT. REMARK 3 PROGRAM : REFMAC 5.0 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) : 1.93 REMARK 3 RESOLUTION RANGE LOW (ANGSTROMS) : 29.24 REMARK 3 DATA CUTOFF (SIGMA(F)) : 0.000 REMARK 3 COMPLETENESS FOR RANGE (%) : 90.8 REMARK 3 NUMBER OF REFLECTIONS : 74522 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) : 0.210 REMARK 3 R VALUE (WORKING SET) : 0.206 REMARK 3 FREE R VALUE : 0.244 REMARK 3 FREE R VALUE TEST SET SIZE (%) : 10.000 REMARK 3 FREE R VALUE TEST SET COUNT : 8292 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) : 1.93 REMARK 3 BIN RESOLUTION RANGE LOW (A) : 1.98 REMARK 3 REFLECTION IN BIN (WORKING SET) : 4809 REMARK 3 BIN COMPLETENESS (WORKING+TEST) (%) : NULL REMARK 3 BIN R VALUE (WORKING SET) : 0.2940 REMARK 3 BIN FREE R VALUE SET COUNT : 502 REMARK 3 BIN FREE R VALUE : 0.3390 REMARK 3 REMARK 3 NUMBER OF NON-HYDROGEN ATOMS USED IN REFINEMENT. REMARK 3 PROTEIN ATOMS : 9020 REMARK 3 NUCLEIC ACID ATOMS : 0 REMARK 3 HETEROGEN ATOMS : 94 REMARK 3 SOLVENT ATOMS : 511 REMARK 3 REMARK 3 B VALUES. REMARK 3 B VALUE TYPE : LIKELY RESIDUAL REMARK 3 FROM WILSON PLOT (A**2) : 33.50 REMARK 3 MEAN B VALUE (OVERALL, A**2) : 12.95 REMARK 3 OVERALL ANISOTROPIC B VALUE. REMARK 3 B11 (A**2) : 4.67000 REMARK 3 B22 (A**2) : -1.02000 REMARK 3 B33 (A**2) : -3.67000 REMARK 3 B12 (A**2) : 0.00000 REMARK 3 B13 (A**2) : -0.56000 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): 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 CORRELATION COEFFICIENTS. REMARK 3 CORRELATION COEFFICIENT FO-FC : 0.953 REMARK 3 CORRELATION COEFFICIENT FO-FC FREE : 0.934 REMARK 3 REMARK 3 RMS DEVIATIONS FROM IDEAL VALUES COUNT RMS WEIGHT REMARK 3 BOND LENGTHS REFINED ATOMS (A): 9286 ; 0.009 ; 0.021 REMARK 3 BOND LENGTHS OTHERS (A): NULL ; NULL ; NULL REMARK 3 BOND ANGLES REFINED ATOMS (DEGREES): 12610 ; 1.285 ; 1.969 REMARK 3 BOND ANGLES OTHERS (DEGREES): NULL ; NULL ; NULL REMARK 3 TORSION ANGLES, PERIOD 1 (DEGREES): 1178 ; 3.619 ; 3.000 REMARK 3 TORSION ANGLES, PERIOD 2 (DEGREES): NULL ; NULL ; NULL REMARK 3 TORSION ANGLES, PERIOD 3 (DEGREES): 1638 ;17.011 ;15.000 REMARK 3 TORSION ANGLES, PERIOD 4 (DEGREES): NULL ; NULL ; NULL REMARK 3 CHIRAL-CENTER RESTRAINTS (A**3): 1457 ; 0.092 ; 0.200 REMARK 3 GENERAL PLANES REFINED ATOMS (A): 6920 ; 0.005 ; 0.020 REMARK 3 GENERAL PLANES OTHERS (A): NULL ; NULL ; NULL REMARK 3 NON-BONDED CONTACTS REFINED ATOMS (A): 4657 ; 0.234 ; 0.300 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): 837 ; 0.188 ; 0.500 REMARK 3 H-BOND (X...Y) OTHERS (A): NULL ; NULL ; NULL REMARK 3 POTENTIAL METAL-ION REFINED ATOMS (A): 7 ; 0.121 ; 0.500 REMARK 3 POTENTIAL METAL-ION OTHERS (A): NULL ; NULL ; NULL REMARK 3 SYMMETRY VDW REFINED ATOMS (A): 31 ; 0.196 ; 0.300 REMARK 3 SYMMETRY VDW OTHERS (A): NULL ; NULL ; NULL REMARK 3 SYMMETRY H-BOND REFINED ATOMS (A): 7 ; 0.262 ; 0.500 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): 5898 ; 0.519 ; 1.500 REMARK 3 MAIN-CHAIN BOND OTHER ATOMS (A**2): NULL ; NULL ; NULL REMARK 3 MAIN-CHAIN ANGLE REFINED ATOMS (A**2): 9494 ; 0.913 ; 2.000 REMARK 3 MAIN-CHAIN ANGLE OTHER ATOMS (A**2): NULL ; NULL ; NULL REMARK 3 SIDE-CHAIN BOND REFINED ATOMS (A**2): 3388 ; 1.563 ; 3.000 REMARK 3 SIDE-CHAIN BOND OTHER ATOMS (A**2): NULL ; NULL ; NULL REMARK 3 SIDE-CHAIN ANGLE REFINED ATOMS (A**2): 3116 ; 2.492 ; 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 : 4 REMARK 3 REMARK 3 TLS GROUP : 1 REMARK 3 NUMBER OF COMPONENTS GROUP : 1 REMARK 3 COMPONENTS C SSSEQI TO C SSSEQI REMARK 3 RESIDUE RANGE : A 4 A 200 REMARK 3 ORIGIN FOR THE GROUP (A): 20.4179 -10.9055 -14.1307 REMARK 3 T TENSOR REMARK 3 T11: 1.1945 T22: 0.3563 REMARK 3 T33: 0.3699 T12: -0.1021 REMARK 3 T13: -0.0157 T23: -0.0148 REMARK 3 L TENSOR REMARK 3 L11: 2.0842 L22: 1.9851 REMARK 3 L33: 3.3285 L12: 0.6752 REMARK 3 L13: 0.8041 L23: -0.0078 REMARK 3 S TENSOR REMARK 3 S11: -0.0024 S12: 0.3931 S13: -0.3357 REMARK 3 S21: -0.8344 S22: 0.1079 S23: 0.0904 REMARK 3 S31: 1.0826 S32: -0.1866 S33: -0.1056 REMARK 3 REMARK 3 TLS GROUP : 2 REMARK 3 NUMBER OF COMPONENTS GROUP : 1 REMARK 3 COMPONENTS C SSSEQI TO C SSSEQI REMARK 3 RESIDUE RANGE : A 201 A 593 REMARK 3 ORIGIN FOR THE GROUP (A): 26.8404 4.5427 39.8818 REMARK 3 T TENSOR REMARK 3 T11: 0.0342 T22: 0.3710 REMARK 3 T33: 0.4007 T12: 0.0243 REMARK 3 T13: 0.0097 T23: 0.0129 REMARK 3 L TENSOR REMARK 3 L11: 1.2144 L22: 1.2880 REMARK 3 L33: 1.6660 L12: 0.1476 REMARK 3 L13: -0.3431 L23: 0.1246 REMARK 3 S TENSOR REMARK 3 S11: -0.0506 S12: -0.2686 S13: 0.0562 REMARK 3 S21: 0.0307 S22: -0.0045 S23: -0.0323 REMARK 3 S31: 0.2004 S32: 0.0961 S33: 0.0552 REMARK 3 REMARK 3 TLS GROUP : 3 REMARK 3 NUMBER OF COMPONENTS GROUP : 1 REMARK 3 COMPONENTS C SSSEQI TO C SSSEQI REMARK 3 RESIDUE RANGE : B 4 B 200 REMARK 3 ORIGIN FOR THE GROUP (A): 29.3218 8.3283 -10.9353 REMARK 3 T TENSOR REMARK 3 T11: 0.6259 T22: 0.3088 REMARK 3 T33: 0.3348 T12: 0.0388 REMARK 3 T13: 0.0207 T23: 0.0281 REMARK 3 L TENSOR REMARK 3 L11: 1.2240 L22: 2.4173 REMARK 3 L33: 3.0261 L12: 1.0726 REMARK 3 L13: -0.4422 L23: -1.2928 REMARK 3 S TENSOR REMARK 3 S11: -0.0751 S12: 0.1778 S13: 0.1799 REMARK 3 S21: -0.5257 S22: 0.0149 S23: -0.0361 REMARK 3 S31: 0.2694 S32: 0.1404 S33: 0.0601 REMARK 3 REMARK 3 TLS GROUP : 4 REMARK 3 NUMBER OF COMPONENTS GROUP : 1 REMARK 3 COMPONENTS C SSSEQI TO C SSSEQI REMARK 3 RESIDUE RANGE : B 201 B 593 REMARK 3 ORIGIN FOR THE GROUP (A): 14.3076 -19.0603 35.8324 REMARK 3 T TENSOR REMARK 3 T11: 0.4564 T22: 0.3155 REMARK 3 T33: 0.3572 T12: -0.0932 REMARK 3 T13: -0.0034 T23: 0.0081 REMARK 3 L TENSOR REMARK 3 L11: 1.1321 L22: 1.4581 REMARK 3 L33: 1.7994 L12: 0.0833 REMARK 3 L13: 0.2080 L23: -0.6841 REMARK 3 S TENSOR REMARK 3 S11: 0.0114 S12: -0.2204 S13: -0.0923 REMARK 3 S21: -0.0994 S22: 0.0001 S23: 0.1880 REMARK 3 S31: 0.4038 S32: -0.2576 S33: -0.0115 REMARK 3 REMARK 3 BULK SOLVENT MODELLING. REMARK 3 METHOD USED : BABINET MODEL WITH MASK REMARK 3 PARAMETERS FOR MASK CALCULATION REMARK 3 VDW PROBE RADIUS : NULL REMARK 3 ION PROBE RADIUS : NULL REMARK 3 SHRINKAGE RADIUS : 0.80 REMARK 3 REMARK 3 OTHER REFINEMENT REMARKS: NULL REMARK 4 REMARK 4 1M9N COMPLIES WITH FORMAT V. 3.30, 13-JUL-11 REMARK 12 REMARK 12 OTHER REFINEMENT REMARKS REMARK 12 REPORTED B VALUE IS PRIOR TO INCORPORATION REMARK 12 OF TENSORS WITH TLSANL. TENSORS HAVE BEEN REMARK 12 ADDED TO THE B VALUE FOR THE PUBLICATION. REMARK 100 REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY RCSB ON 14-AUG-02. REMARK 100 THE DEPOSITION ID IS D_1000016769. REMARK 200 REMARK 200 EXPERIMENTAL DETAILS REMARK 200 EXPERIMENT TYPE : X-RAY DIFFRACTION REMARK 200 DATE OF DATA COLLECTION : 16-SEP-99 REMARK 200 TEMPERATURE (KELVIN) : 100.0 REMARK 200 PH : 7.2 REMARK 200 NUMBER OF CRYSTALS USED : 1 REMARK 200 REMARK 200 SYNCHROTRON (Y/N) : Y REMARK 200 RADIATION SOURCE : APS REMARK 200 BEAMLINE : 14-BM-C REMARK 200 X-RAY GENERATOR MODEL : NULL REMARK 200 MONOCHROMATIC OR LAUE (M/L) : M REMARK 200 WAVELENGTH OR RANGE (A) : 1.0 REMARK 200 MONOCHROMATOR : NULL REMARK 200 OPTICS : BENT CONICAL SI-MIRROR (RH REMARK 200 COATING); BENT CYLINDRICAL REMARK 200 GE(111) MONOCHROMATOR REMARK 200 REMARK 200 DETECTOR TYPE : CCD REMARK 200 DETECTOR MANUFACTURER : ADSC QUANTUM 4 REMARK 200 INTENSITY-INTEGRATION SOFTWARE : DENZO REMARK 200 DATA SCALING SOFTWARE : SCALEPACK REMARK 200 REMARK 200 NUMBER OF UNIQUE REFLECTIONS : 91184 REMARK 200 RESOLUTION RANGE HIGH (A) : 1.930 REMARK 200 RESOLUTION RANGE LOW (A) : 30.000 REMARK 200 REJECTION CRITERIA (SIGMA(I)) : -3.000 REMARK 200 REMARK 200 OVERALL. REMARK 200 COMPLETENESS FOR RANGE (%) : 98.2 REMARK 200 DATA REDUNDANCY : 3.900 REMARK 200 R MERGE (I) : NULL REMARK 200 R SYM (I) : 0.04400 REMARK 200 <I/SIGMA(I)> FOR THE DATA SET : 25.3000 REMARK 200 REMARK 200 IN THE HIGHEST RESOLUTION SHELL. REMARK 200 HIGHEST RESOLUTION SHELL, RANGE HIGH (A) : 1.93 REMARK 200 HIGHEST RESOLUTION SHELL, RANGE LOW (A) : 1.96 REMARK 200 COMPLETENESS FOR SHELL (%) : 99.6 REMARK 200 DATA REDUNDANCY IN SHELL : 3.40 REMARK 200 R MERGE FOR SHELL (I) : NULL REMARK 200 R SYM FOR SHELL (I) : 0.41900 REMARK 200 <I/SIGMA(I)> FOR SHELL : 2.400 REMARK 200 REMARK 200 DIFFRACTION PROTOCOL: SINGLE WAVELENGTH REMARK 200 METHOD USED TO DETERMINE THE STRUCTURE: MOLECULAR REPLACEMENT REMARK 200 SOFTWARE USED: AMORE REMARK 200 STARTING MODEL: PDB ENTRY 1G8M REMARK 200 REMARK 200 REMARK: NULL REMARK 280 REMARK 280 CRYSTAL REMARK 280 SOLVENT CONTENT, VS (%): 48.16 REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 2.37 REMARK 280 REMARK 280 CRYSTALLIZATION CONDITIONS: PEG 8000, IMIDAZOLE, DTT, PH 7.2, REMARK 280 VAPOR DIFFUSION, SITTING DROP, TEMPERATURE 295K 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 53.94000 REMARK 290 SMTRY3 2 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: BOTH MONOMERS OF THE BIOLOGICALLY SIGNIFICANT REMARK 300 AVIAN ATIC HOMODIMER ARE LOCATED WITHIN THE ASYMMETRIC UNIT. 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: 14540 ANGSTROM**2 REMARK 350 SURFACE AREA OF THE COMPLEX: 43180 ANGSTROM**2 REMARK 350 CHANGE IN SOLVENT FREE ENERGY: -69.0 KCAL/MOL REMARK 350 APPLY THE FOLLOWING TO CHAINS: A, 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 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 -19 REMARK 465 GLY A -18 REMARK 465 SER A -17 REMARK 465 SER A -16 REMARK 465 HIS A -15 REMARK 465 HIS A -14 REMARK 465 HIS A -13 REMARK 465 HIS A -12 REMARK 465 HIS A -11 REMARK 465 HIS A -10 REMARK 465 SER A -9 REMARK 465 SER A -8 REMARK 465 GLY A -7 REMARK 465 LEU A -6 REMARK 465 VAL A -5 REMARK 465 PRO A -4 REMARK 465 ARG A -3 REMARK 465 GLY A -2 REMARK 465 SER A -1 REMARK 465 HIS A 0 REMARK 465 MET A 1 REMARK 465 ALA A 2 REMARK 465 ALA A 3 REMARK 465 MET B -19 REMARK 465 GLY B -18 REMARK 465 SER B -17 REMARK 465 SER B -16 REMARK 465 HIS B -15 REMARK 465 HIS B -14 REMARK 465 HIS B -13 REMARK 465 HIS B -12 REMARK 465 HIS B -11 REMARK 465 HIS B -10 REMARK 465 SER B -9 REMARK 465 SER B -8 REMARK 465 GLY B -7 REMARK 465 LEU B -6 REMARK 465 VAL B -5 REMARK 465 PRO B -4 REMARK 465 ARG B -3 REMARK 465 GLY B -2 REMARK 465 SER B -1 REMARK 465 HIS B 0 REMARK 465 MET B 1 REMARK 465 ALA B 2 REMARK 465 ALA B 3 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 HIS A 593 O REMARK 470 HIS B 593 O 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 O LEU A 207 O HOH A 1206 2.03 REMARK 500 O HOH A 1140 O HOH A 1215 2.05 REMARK 500 OG SER A 35 O3P XMP A 1003 2.10 REMARK 500 O HOH A 1186 O HOH B 1163 2.11 REMARK 500 OP2 AMZ B 1002 O HOH B 1042 2.12 REMARK 500 OE2 GLU B 378 O HOH B 1007 2.14 REMARK 500 N ASP A 148 O HOH A 1090 2.14 REMARK 500 O HOH B 1072 O HOH B 1199 2.16 REMARK 500 NH1 ARG B 142 O HOH B 1110 2.18 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 ASP A 550 CB - CG - OD2 ANGL. DEV. = 5.8 DEGREES REMARK 500 ASP B 187 CB - CG - OD2 ANGL. DEV. = 6.4 DEGREES REMARK 500 ASP B 503 CB - CG - OD2 ANGL. DEV. = 5.6 DEGREES REMARK 500 ASP B 550 CB - CG - OD2 ANGL. DEV. = 5.5 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 SER A 11 89.94 -151.69 REMARK 500 PRO A 114 -86.72 -44.87 REMARK 500 ILE A 127 -63.57 -105.72 REMARK 500 ASN A 139 32.84 -91.10 REMARK 500 VAL A 202 -73.08 -111.04 REMARK 500 LEU A 411 81.54 -156.06 REMARK 500 GLU A 502 -96.55 -80.79 REMARK 500 ASP A 503 -95.24 -93.78 REMARK 500 GLU A 504 -37.16 -38.65 REMARK 500 ASN B 139 35.27 -95.18 REMARK 500 LYS B 163 21.45 -79.58 REMARK 500 ASP B 164 19.16 -155.08 REMARK 500 VAL B 202 -74.90 -113.07 REMARK 500 THR B 410 103.49 -49.83 REMARK 500 ASP B 503 -90.58 -101.26 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 K A 594 K REMARK 620 N RES CSSEQI ATOM REMARK 620 1 VAL A 426 O REMARK 620 2 THR A 429 O 85.8 REMARK 620 3 SER A 431 OG 176.4 91.3 REMARK 620 4 SER A 433 OG 97.8 75.6 83.4 REMARK 620 5 ASP A 540 OD2 127.3 123.6 56.2 57.7 REMARK 620 6 LEU A 590 O 93.2 146.1 88.1 137.8 83.4 REMARK 620 7 HIS A 592 N 128.8 91.4 49.1 130.8 96.1 63.1 REMARK 620 N 1 2 3 4 5 6 REMARK 620 REMARK 620 COORDINATION ANGLES FOR: M RES CSSEQI METAL REMARK 620 K B 594 K REMARK 620 N RES CSSEQI ATOM REMARK 620 1 VAL B 426 O REMARK 620 2 THR B 429 O 86.1 REMARK 620 3 SER B 431 OG 176.3 90.7 REMARK 620 4 SER B 433 OG 81.6 90.0 96.7 REMARK 620 5 ASP B 540 OD2 125.7 121.8 54.9 55.8 REMARK 620 6 LEU B 590 O 94.6 147.5 89.1 122.3 83.8 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 K A 594 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC2 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE K B 594 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC3 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE AMZ A 1001 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC4 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE AMZ B 1002 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC5 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE XMP A 1003 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC6 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE XMP B 1004 REMARK 900 REMARK 900 RELATED ENTRIES REMARK 900 RELATED ID: 1G8M RELATED DB: PDB REMARK 900 CRYSTAL STRUCTURE OF AVIAN ATIC, A BIFUNCTIONAL TRANSFORMYLASE AND REMARK 900 CYCLOHYDROLASE ENZYME IN PURINE BIOSYNTHESIS AT 1.75 ANG. RESOLUTION DBREF 1M9N A 1 593 UNP P31335 PUR9_CHICK 1 593 DBREF 1M9N B 1 593 UNP P31335 PUR9_CHICK 1 593 SEQADV 1M9N MET A -19 UNP P31335 EXPRESSION TAG SEQADV 1M9N GLY A -18 UNP P31335 EXPRESSION TAG SEQADV 1M9N SER A -17 UNP P31335 EXPRESSION TAG SEQADV 1M9N SER A -16 UNP P31335 EXPRESSION TAG SEQADV 1M9N HIS A -15 UNP P31335 EXPRESSION TAG SEQADV 1M9N HIS A -14 UNP P31335 EXPRESSION TAG SEQADV 1M9N HIS A -13 UNP P31335 EXPRESSION TAG SEQADV 1M9N HIS A -12 UNP P31335 EXPRESSION TAG SEQADV 1M9N HIS A -11 UNP P31335 EXPRESSION TAG SEQADV 1M9N HIS A -10 UNP P31335 EXPRESSION TAG SEQADV 1M9N SER A -9 UNP P31335 EXPRESSION TAG SEQADV 1M9N SER A -8 UNP P31335 INSERTION SEQADV 1M9N GLY A -7 UNP P31335 EXPRESSION TAG SEQADV 1M9N LEU A -6 UNP P31335 EXPRESSION TAG SEQADV 1M9N VAL A -5 UNP P31335 EXPRESSION TAG SEQADV 1M9N PRO A -4 UNP P31335 EXPRESSION TAG SEQADV 1M9N ARG A -3 UNP P31335 EXPRESSION TAG SEQADV 1M9N GLY A -2 UNP P31335 EXPRESSION TAG SEQADV 1M9N SER A -1 UNP P31335 EXPRESSION TAG SEQADV 1M9N HIS A 0 UNP P31335 EXPRESSION TAG SEQADV 1M9N MET B -19 UNP P31335 EXPRESSION TAG SEQADV 1M9N GLY B -18 UNP P31335 EXPRESSION TAG SEQADV 1M9N SER B -17 UNP P31335 EXPRESSION TAG SEQADV 1M9N SER B -16 UNP P31335 EXPRESSION TAG SEQADV 1M9N HIS B -15 UNP P31335 EXPRESSION TAG SEQADV 1M9N HIS B -14 UNP P31335 EXPRESSION TAG SEQADV 1M9N HIS B -13 UNP P31335 EXPRESSION TAG SEQADV 1M9N HIS B -12 UNP P31335 EXPRESSION TAG SEQADV 1M9N HIS B -11 UNP P31335 EXPRESSION TAG SEQADV 1M9N HIS B -10 UNP P31335 EXPRESSION TAG SEQADV 1M9N SER B -9 UNP P31335 EXPRESSION TAG SEQADV 1M9N SER B -8 UNP P31335 EXPRESSION TAG SEQADV 1M9N GLY B -7 UNP P31335 EXPRESSION TAG SEQADV 1M9N LEU B -6 UNP P31335 EXPRESSION TAG SEQADV 1M9N VAL B -5 UNP P31335 EXPRESSION TAG SEQADV 1M9N PRO B -4 UNP P31335 EXPRESSION TAG SEQADV 1M9N ARG B -3 UNP P31335 EXPRESSION TAG SEQADV 1M9N GLY B -2 UNP P31335 EXPRESSION TAG SEQADV 1M9N SER B -1 UNP P31335 EXPRESSION TAG SEQADV 1M9N HIS B 0 UNP P31335 EXPRESSION TAG SEQRES 1 A 613 MET GLY SER SER HIS HIS HIS HIS HIS HIS SER SER GLY SEQRES 2 A 613 LEU VAL PRO ARG GLY SER HIS MET ALA ALA ARG GLN GLN SEQRES 3 A 613 LEU ALA LEU LEU SER VAL SER GLU LYS ALA GLY LEU VAL SEQRES 4 A 613 GLU PHE ALA ARG SER LEU ASN ALA LEU GLY LEU GLY LEU SEQRES 5 A 613 ILE ALA SER GLY GLY THR ALA THR ALA LEU ARG ASP ALA SEQRES 6 A 613 GLY LEU PRO VAL ARG ASP VAL SER ASP LEU THR GLY PHE SEQRES 7 A 613 PRO GLU MET LEU GLY GLY ARG VAL LYS THR LEU HIS PRO SEQRES 8 A 613 ALA VAL HIS ALA GLY ILE LEU ALA ARG ASN ILE PRO GLU SEQRES 9 A 613 ASP ASN ALA ASP MET ASN LYS GLN ASP PHE SER LEU VAL SEQRES 10 A 613 ARG VAL VAL VAL CYS ASN LEU TYR PRO PHE VAL LYS THR SEQRES 11 A 613 VAL SER SER PRO GLY VAL THR VAL PRO GLU ALA VAL GLU SEQRES 12 A 613 LYS ILE ASP ILE GLY GLY VAL ALA LEU LEU ARG ALA ALA SEQRES 13 A 613 ALA LYS ASN HIS ALA ARG VAL THR VAL VAL CYS ASP PRO SEQRES 14 A 613 ALA ASP TYR SER SER VAL ALA LYS GLU MET ALA ALA SER SEQRES 15 A 613 LYS ASP LYS ASP THR SER VAL GLU THR ARG ARG HIS LEU SEQRES 16 A 613 ALA LEU LYS ALA PHE THR HIS THR ALA GLN TYR ASP ALA SEQRES 17 A 613 ALA ILE SER ASP TYR PHE ARG LYS GLU TYR SER LYS GLY SEQRES 18 A 613 VAL SER GLN LEU PRO LEU ARG TYR GLY MET ASN PRO HIS SEQRES 19 A 613 GLN SER PRO ALA GLN LEU TYR THR THR ARG PRO LYS LEU SEQRES 20 A 613 PRO LEU THR VAL VAL ASN GLY SER PRO GLY PHE ILE ASN SEQRES 21 A 613 LEU CYS ASP ALA LEU ASN ALA TRP GLN LEU VAL LYS GLU SEQRES 22 A 613 LEU LYS GLN ALA LEU GLY ILE PRO ALA ALA ALA SER PHE SEQRES 23 A 613 LYS HIS VAL SER PRO ALA GLY ALA ALA VAL GLY ILE PRO SEQRES 24 A 613 LEU SER GLU GLU GLU ALA GLN VAL CYS MET VAL HIS ASP SEQRES 25 A 613 LEU HIS LYS THR LEU THR PRO LEU ALA SER ALA TYR ALA SEQRES 26 A 613 ARG SER ARG GLY ALA ASP ARG MET SER SER PHE GLY ASP SEQRES 27 A 613 PHE ILE ALA LEU SER ASP ILE CYS ASP VAL PRO THR ALA SEQRES 28 A 613 LYS ILE ILE SER ARG GLU VAL SER ASP GLY VAL VAL ALA SEQRES 29 A 613 PRO GLY TYR GLU GLU GLU ALA LEU LYS ILE LEU SER LYS SEQRES 30 A 613 LYS LYS ASN GLY GLY TYR CYS VAL LEU GLN MET ASP PRO SEQRES 31 A 613 ASN TYR GLU PRO ASP ASP ASN GLU ILE ARG THR LEU TYR SEQRES 32 A 613 GLY LEU GLN LEU MET GLN LYS ARG ASN ASN ALA VAL ILE SEQRES 33 A 613 ASP ARG SER LEU PHE LYS ASN ILE VAL THR LYS ASN LYS SEQRES 34 A 613 THR LEU PRO GLU SER ALA VAL ARG ASP LEU ILE VAL ALA SEQRES 35 A 613 SER ILE ALA VAL LYS TYR THR GLN SER ASN SER VAL CYS SEQRES 36 A 613 TYR ALA LYS ASP GLY GLN VAL ILE GLY ILE GLY ALA GLY SEQRES 37 A 613 GLN GLN SER ARG ILE HIS CYS THR ARG LEU ALA GLY ASP SEQRES 38 A 613 LYS ALA ASN SER TRP TRP LEU ARG HIS HIS PRO ARG VAL SEQRES 39 A 613 LEU SER MET LYS PHE LYS ALA GLY VAL LYS ARG ALA GLU SEQRES 40 A 613 VAL SER ASN ALA ILE ASP GLN TYR VAL THR GLY THR ILE SEQRES 41 A 613 GLY GLU ASP GLU ASP LEU VAL LYS TRP GLN ALA MET PHE SEQRES 42 A 613 GLU GLU VAL PRO ALA GLN LEU THR GLU ALA GLU LYS LYS SEQRES 43 A 613 GLN TRP ILE ALA LYS LEU THR ALA VAL SER LEU SER SER SEQRES 44 A 613 ASP ALA PHE PHE PRO PHE ARG ASP ASN VAL ASP ARG ALA SEQRES 45 A 613 LYS ARG ILE GLY VAL GLN PHE ILE VAL ALA PRO SER GLY SEQRES 46 A 613 SER ALA ALA ASP GLU VAL VAL ILE GLU ALA CYS ASN GLU SEQRES 47 A 613 LEU GLY ILE THR LEU ILE HIS THR ASN LEU ARG LEU PHE SEQRES 48 A 613 HIS HIS SEQRES 1 B 613 MET GLY SER SER HIS HIS HIS HIS HIS HIS SER SER GLY SEQRES 2 B 613 LEU VAL PRO ARG GLY SER HIS MET ALA ALA ARG GLN GLN SEQRES 3 B 613 LEU ALA LEU LEU SER VAL SER GLU LYS ALA GLY LEU VAL SEQRES 4 B 613 GLU PHE ALA ARG SER LEU ASN ALA LEU GLY LEU GLY LEU SEQRES 5 B 613 ILE ALA SER GLY GLY THR ALA THR ALA LEU ARG ASP ALA SEQRES 6 B 613 GLY LEU PRO VAL ARG ASP VAL SER ASP LEU THR GLY PHE SEQRES 7 B 613 PRO GLU MET LEU GLY GLY ARG VAL LYS THR LEU HIS PRO SEQRES 8 B 613 ALA VAL HIS ALA GLY ILE LEU ALA ARG ASN ILE PRO GLU SEQRES 9 B 613 ASP ASN ALA ASP MET ASN LYS GLN ASP PHE SER LEU VAL SEQRES 10 B 613 ARG VAL VAL VAL CYS ASN LEU TYR PRO PHE VAL LYS THR SEQRES 11 B 613 VAL SER SER PRO GLY VAL THR VAL PRO GLU ALA VAL GLU SEQRES 12 B 613 LYS ILE ASP ILE GLY GLY VAL ALA LEU LEU ARG ALA ALA SEQRES 13 B 613 ALA LYS ASN HIS ALA ARG VAL THR VAL VAL CYS ASP PRO SEQRES 14 B 613 ALA ASP TYR SER SER VAL ALA LYS GLU MET ALA ALA SER SEQRES 15 B 613 LYS ASP LYS ASP THR SER VAL GLU THR ARG ARG HIS LEU SEQRES 16 B 613 ALA LEU LYS ALA PHE THR HIS THR ALA GLN TYR ASP ALA SEQRES 17 B 613 ALA ILE SER ASP TYR PHE ARG LYS GLU TYR SER LYS GLY SEQRES 18 B 613 VAL SER GLN LEU PRO LEU ARG TYR GLY MET ASN PRO HIS SEQRES 19 B 613 GLN SER PRO ALA GLN LEU TYR THR THR ARG PRO LYS LEU SEQRES 20 B 613 PRO LEU THR VAL VAL ASN GLY SER PRO GLY PHE ILE ASN SEQRES 21 B 613 LEU CYS ASP ALA LEU ASN ALA TRP GLN LEU VAL LYS GLU SEQRES 22 B 613 LEU LYS GLN ALA LEU GLY ILE PRO ALA ALA ALA SER PHE SEQRES 23 B 613 LYS HIS VAL SER PRO ALA GLY ALA ALA VAL GLY ILE PRO SEQRES 24 B 613 LEU SER GLU GLU GLU ALA GLN VAL CYS MET VAL HIS ASP SEQRES 25 B 613 LEU HIS LYS THR LEU THR PRO LEU ALA SER ALA TYR ALA SEQRES 26 B 613 ARG SER ARG GLY ALA ASP ARG MET SER SER PHE GLY ASP SEQRES 27 B 613 PHE ILE ALA LEU SER ASP ILE CYS ASP VAL PRO THR ALA SEQRES 28 B 613 LYS ILE ILE SER ARG GLU VAL SER ASP GLY VAL VAL ALA SEQRES 29 B 613 PRO GLY TYR GLU GLU GLU ALA LEU LYS ILE LEU SER LYS SEQRES 30 B 613 LYS LYS ASN GLY GLY TYR CYS VAL LEU GLN MET ASP PRO SEQRES 31 B 613 ASN TYR GLU PRO ASP ASP ASN GLU ILE ARG THR LEU TYR SEQRES 32 B 613 GLY LEU GLN LEU MET GLN LYS ARG ASN ASN ALA VAL ILE SEQRES 33 B 613 ASP ARG SER LEU PHE LYS ASN ILE VAL THR LYS ASN LYS SEQRES 34 B 613 THR LEU PRO GLU SER ALA VAL ARG ASP LEU ILE VAL ALA SEQRES 35 B 613 SER ILE ALA VAL LYS TYR THR GLN SER ASN SER VAL CYS SEQRES 36 B 613 TYR ALA LYS ASP GLY GLN VAL ILE GLY ILE GLY ALA GLY SEQRES 37 B 613 GLN GLN SER ARG ILE HIS CYS THR ARG LEU ALA GLY ASP SEQRES 38 B 613 LYS ALA ASN SER TRP TRP LEU ARG HIS HIS PRO ARG VAL SEQRES 39 B 613 LEU SER MET LYS PHE LYS ALA GLY VAL LYS ARG ALA GLU SEQRES 40 B 613 VAL SER ASN ALA ILE ASP GLN TYR VAL THR GLY THR ILE SEQRES 41 B 613 GLY GLU ASP GLU ASP LEU VAL LYS TRP GLN ALA MET PHE SEQRES 42 B 613 GLU GLU VAL PRO ALA GLN LEU THR GLU ALA GLU LYS LYS SEQRES 43 B 613 GLN TRP ILE ALA LYS LEU THR ALA VAL SER LEU SER SER SEQRES 44 B 613 ASP ALA PHE PHE PRO PHE ARG ASP ASN VAL ASP ARG ALA SEQRES 45 B 613 LYS ARG ILE GLY VAL GLN PHE ILE VAL ALA PRO SER GLY SEQRES 46 B 613 SER ALA ALA ASP GLU VAL VAL ILE GLU ALA CYS ASN GLU SEQRES 47 B 613 LEU GLY ILE THR LEU ILE HIS THR ASN LEU ARG LEU PHE SEQRES 48 B 613 HIS HIS HET K A 594 1 HET AMZ A1001 22 HET XMP A1003 24 HET K B 594 1 HET AMZ B1002 22 HET XMP B1004 24 HETNAM K POTASSIUM ION HETNAM AMZ AMINOIMIDAZOLE 4-CARBOXAMIDE RIBONUCLEOTIDE HETNAM XMP XANTHOSINE-5'-MONOPHOSPHATE HETSYN AMZ AICAR HETSYN XMP 5-MONOPHOSPHATE-9-BETA-D-RIBOFURANOSYL XANTHINE FORMUL 3 K 2(K 1+) FORMUL 4 AMZ 2(C9 H15 N4 O8 P) FORMUL 5 XMP 2(C10 H14 N4 O9 P 1+) FORMUL 9 HOH *511(H2 O) HELIX 1 1 GLY A 17 ALA A 27 1 11 HELIX 2 2 SER A 35 ALA A 45 1 11 HELIX 3 3 VAL A 52 GLY A 57 1 6 HELIX 4 4 HIS A 70 ALA A 79 1 10 HELIX 5 5 ILE A 82 ASP A 93 1 12 HELIX 6 6 PRO A 106 SER A 113 1 8 HELIX 7 7 THR A 117 LYS A 124 1 8 HELIX 8 8 ILE A 127 ASN A 139 1 13 HELIX 9 9 ASP A 148 ALA A 150 5 3 HELIX 10 10 ASP A 151 SER A 162 1 12 HELIX 11 11 SER A 168 SER A 199 1 32 HELIX 12 12 GLY A 237 GLY A 259 1 23 HELIX 13 13 SER A 281 CYS A 288 1 8 HELIX 14 14 VAL A 290 LEU A 297 5 8 HELIX 15 15 THR A 298 ALA A 310 1 13 HELIX 16 16 ASP A 327 ARG A 336 1 10 HELIX 17 17 GLU A 348 LYS A 357 1 10 HELIX 18 18 LYS A 358 GLY A 362 5 5 HELIX 19 19 ASP A 397 LYS A 402 5 6 HELIX 20 20 PRO A 412 TYR A 428 1 17 HELIX 21 21 SER A 451 ARG A 469 1 19 HELIX 22 22 HIS A 471 SER A 476 1 6 HELIX 23 23 LYS A 484 GLY A 498 1 15 HELIX 24 24 ASP A 503 ALA A 511 1 9 HELIX 25 25 THR A 521 ALA A 530 1 10 HELIX 26 26 ARG A 546 ARG A 554 1 9 HELIX 27 27 ALA A 568 LEU A 579 1 12 HELIX 28 28 GLY B 17 LEU B 28 1 12 HELIX 29 29 SER B 35 ALA B 45 1 11 HELIX 30 30 VAL B 52 GLY B 57 1 6 HELIX 31 31 HIS B 70 ALA B 79 1 10 HELIX 32 32 ILE B 82 ASP B 93 1 12 HELIX 33 33 PRO B 106 VAL B 111 1 6 HELIX 34 34 THR B 117 LYS B 124 1 8 HELIX 35 35 ILE B 127 ASN B 139 1 13 HELIX 36 36 ASP B 148 ALA B 150 5 3 HELIX 37 37 ASP B 151 SER B 162 1 12 HELIX 38 38 SER B 168 SER B 199 1 32 HELIX 39 39 GLY B 237 GLY B 259 1 23 HELIX 40 40 SER B 281 CYS B 288 1 8 HELIX 41 41 VAL B 290 LEU B 297 5 8 HELIX 42 42 THR B 298 ALA B 310 1 13 HELIX 43 43 ASP B 327 ARG B 336 1 10 HELIX 44 44 GLU B 348 LYS B 357 1 10 HELIX 45 45 LYS B 358 GLY B 362 5 5 HELIX 46 46 ASP B 397 LYS B 402 5 6 HELIX 47 47 PRO B 412 TYR B 428 1 17 HELIX 48 48 SER B 451 ARG B 469 1 19 HELIX 49 49 HIS B 471 SER B 476 1 6 HELIX 50 50 LYS B 484 GLY B 498 1 15 HELIX 51 51 ASP B 503 ALA B 511 1 9 HELIX 52 52 THR B 521 LYS B 531 1 11 HELIX 53 53 ARG B 546 ARG B 554 1 9 HELIX 54 54 ALA B 568 GLY B 580 1 13 SHEET 1 A 5 VAL A 49 ASP A 51 0 SHEET 2 A 5 GLY A 31 ALA A 34 1 N LEU A 32 O ARG A 50 SHEET 3 A 5 LEU A 7 VAL A 12 1 N LEU A 10 O ILE A 33 SHEET 4 A 5 VAL A 97 ASN A 103 1 O VAL A 101 N SER A 11 SHEET 5 A 5 THR A 144 VAL A 146 1 O THR A 144 N VAL A 100 SHEET 1 B 4 GLN A 204 PRO A 206 0 SHEET 2 B 4 ALA A 218 TYR A 221 -1 O LEU A 220 N LEU A 205 SHEET 3 B 4 LEU B 385 LYS B 390 -1 O MET B 388 N GLN A 219 SHEET 4 B 4 ASN B 377 LEU B 382 -1 N ARG B 380 O LEU B 387 SHEET 1 C 6 LEU A 229 ASN A 233 0 SHEET 2 C 6 CYS A 364 MET A 368 -1 O GLN A 367 N THR A 230 SHEET 3 C 6 SER A 339 ALA A 344 1 N VAL A 342 O LEU A 366 SHEET 4 C 6 ASP A 318 LEU A 322 1 N ILE A 320 O GLY A 341 SHEET 5 C 6 ALA A 262 LYS A 267 -1 N PHE A 266 O PHE A 319 SHEET 6 C 6 SER A 270 VAL A 276 -1 O ALA A 272 N SER A 265 SHEET 1 D 4 ASN A 377 LEU A 382 0 SHEET 2 D 4 LEU A 385 LYS A 390 -1 O LEU A 385 N LEU A 382 SHEET 3 D 4 ALA B 218 TYR B 221 -1 O GLN B 219 N MET A 388 SHEET 4 D 4 GLN B 204 PRO B 206 -1 N LEU B 205 O LEU B 220 SHEET 1 E 5 GLN A 441 GLY A 446 0 SHEET 2 E 5 VAL A 434 LYS A 438 -1 N TYR A 436 O GLY A 444 SHEET 3 E 5 VAL A 535 SER A 539 -1 O SER A 536 N ALA A 437 SHEET 4 E 5 VAL A 557 PRO A 563 1 O VAL A 561 N LEU A 537 SHEET 5 E 5 THR A 582 THR A 586 1 O ILE A 584 N ILE A 560 SHEET 1 F 2 LYS A 478 PHE A 479 0 SHEET 2 F 2 PHE A 513 GLU A 515 -1 O GLU A 514 N LYS A 478 SHEET 1 G 5 ARG B 50 ASP B 51 0 SHEET 2 G 5 GLY B 31 ALA B 34 1 N ALA B 34 O ARG B 50 SHEET 3 G 5 LEU B 7 VAL B 12 1 N LEU B 10 O ILE B 33 SHEET 4 G 5 VAL B 97 ASN B 103 1 O VAL B 101 N LEU B 9 SHEET 5 G 5 THR B 144 VAL B 146 1 O VAL B 146 N VAL B 100 SHEET 1 H 6 LEU B 229 ASN B 233 0 SHEET 2 H 6 CYS B 364 MET B 368 -1 O VAL B 365 N ASN B 233 SHEET 3 H 6 SER B 339 ALA B 344 1 N ALA B 344 O MET B 368 SHEET 4 H 6 ASP B 318 LEU B 322 1 N ILE B 320 O GLY B 341 SHEET 5 H 6 ALA B 262 LYS B 267 -1 N PHE B 266 O PHE B 319 SHEET 6 H 6 SER B 270 VAL B 276 -1 O ALA B 272 N SER B 265 SHEET 1 I 5 GLN B 441 GLY B 446 0 SHEET 2 I 5 VAL B 434 LYS B 438 -1 N TYR B 436 O GLY B 444 SHEET 3 I 5 VAL B 535 SER B 539 -1 O SER B 538 N CYS B 435 SHEET 4 I 5 VAL B 557 PRO B 563 1 O GLN B 558 N VAL B 535 SHEET 5 I 5 THR B 582 THR B 586 1 O ILE B 584 N ILE B 560 SHEET 1 J 2 LYS B 478 PHE B 479 0 SHEET 2 J 2 PHE B 513 GLU B 515 -1 O GLU B 514 N LYS B 478 LINK O VAL A 426 K K A 594 1555 1555 2.76 LINK O THR A 429 K K A 594 1555 1555 2.60 LINK OG SER A 431 K K A 594 1555 1555 2.87 LINK OG SER A 433 K K A 594 1555 1555 2.89 LINK OD2 ASP A 540 K K A 594 1555 1555 2.70 LINK O LEU A 590 K K A 594 1555 1555 2.78 LINK N HIS A 592 K K A 594 1555 1555 3.71 LINK O VAL B 426 K K B 594 1555 1555 2.75 LINK O THR B 429 K K B 594 1555 1555 2.62 LINK OG SER B 431 K K B 594 1555 1555 2.95 LINK OG SER B 433 K K B 594 1555 1555 3.05 LINK OD2 ASP B 540 K K B 594 1555 1555 3.06 LINK O LEU B 590 K K B 594 1555 1555 2.63 CISPEP 1 SER A 216 PRO A 217 0 -0.68 CISPEP 2 SER A 431 ASN A 432 0 -3.51 CISPEP 3 SER B 216 PRO B 217 0 2.82 CISPEP 4 SER B 431 ASN B 432 0 -4.74 SITE 1 AC1 7 VAL A 426 THR A 429 SER A 431 SER A 433 SITE 2 AC1 7 ASP A 540 LEU A 590 HIS A 592 SITE 1 AC2 7 VAL B 426 THR B 429 SER B 431 SER B 433 SITE 2 AC2 7 ASP B 540 LEU B 590 HIS B 592 SITE 1 AC3 21 ARG A 208 TYR A 209 ILE A 239 ASN A 240 SITE 2 AC3 21 LYS A 267 HIS A 268 GLY A 317 ASP A 340 SITE 3 AC3 21 HOH A1004 HOH A1005 HOH A1013 HOH A1022 SITE 4 AC3 21 HOH A1054 HOH A1080 HOH A1136 HOH A1145 SITE 5 AC3 21 HOH A1161 ALA B 541 PHE B 542 ARG B 589 SITE 6 AC3 21 PHE B 591 SITE 1 AC4 16 PHE A 542 ARG A 589 ARG B 208 TYR B 209 SITE 2 AC4 16 ILE B 239 ASN B 240 LYS B 267 HIS B 268 SITE 3 AC4 16 GLY B 317 ASP B 340 HOH B1005 HOH B1006 SITE 4 AC4 16 HOH B1008 HOH B1017 HOH B1028 HOH B1042 SITE 1 AC5 20 SER A 11 VAL A 12 SER A 13 LYS A 15 SITE 2 AC5 20 SER A 35 GLY A 37 THR A 38 GLY A 64 SITE 3 AC5 20 ARG A 65 LYS A 67 THR A 68 LEU A 69 SITE 4 AC5 20 CYS A 102 ASN A 103 LEU A 104 TYR A 105 SITE 5 AC5 20 ASP A 126 ILE A 127 GLY A 128 GLY A 129 SITE 1 AC6 20 SER B 11 VAL B 12 SER B 13 LYS B 15 SITE 2 AC6 20 SER B 35 GLY B 37 THR B 38 GLY B 64 SITE 3 AC6 20 ARG B 65 LYS B 67 THR B 68 CYS B 102 SITE 4 AC6 20 ASN B 103 LEU B 104 TYR B 105 ASP B 126 SITE 5 AC6 20 ILE B 127 GLY B 128 GLY B 129 HOH B1036 CRYST1 56.480 107.880 103.860 90.00 91.20 90.00 P 1 21 1 4 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 0.017705 0.000000 0.000371 0.00000 SCALE2 0.000000 0.009270 0.000000 0.00000 SCALE3 0.000000 0.000000 0.009630 0.00000