HEADER TRANSFERASE 25-MAR-10 3MB8 TITLE CRYSTAL STRUCTURE OF PURINE NUCLEOSIDE PHOSPHORYLASE FROM TOXOPLASMA TITLE 2 GONDII IN COMPLEX WITH IMMUCILLIN-H COMPND MOL_ID: 1; COMPND 2 MOLECULE: PURINE NUCLEOSIDE PHOSPHORYLASE; COMPND 3 CHAIN: A, B; COMPND 4 EC: 2.4.2.1; COMPND 5 ENGINEERED: YES SOURCE MOL_ID: 1; SOURCE 2 ORGANISM_SCIENTIFIC: TOXOPLASMA GONDII; SOURCE 3 ORGANISM_TAXID: 5811; SOURCE 4 GENE: PNP; SOURCE 5 EXPRESSION_SYSTEM: ESCHERICHIA COLI; SOURCE 6 EXPRESSION_SYSTEM_TAXID: 562; SOURCE 7 EXPRESSION_SYSTEM_STRAIN: BL21-CODON PLUS (DE3)-RIPL; SOURCE 8 EXPRESSION_SYSTEM_VECTOR_TYPE: PLASMID; SOURCE 9 EXPRESSION_SYSTEM_PLASMID: PTRCHIS2-TOPO KEYWDS PNP, PURINE NUCLEOSIDE PHOSPHORYLASE, IMMUCILLIN H, IMMH, TRANSFERASE EXPDTA X-RAY DIFFRACTION AUTHOR M.HO,S.C.ALMO,V.L.SCHRAMM REVDAT 6 22-MAY-24 3MB8 1 REMARK REVDAT 5 05-OCT-22 3MB8 1 REMARK SEQADV HETSYN ATOM REVDAT 4 08-NOV-17 3MB8 1 REMARK REVDAT 3 14-MAY-14 3MB8 1 JRNL REVDAT 2 02-APR-14 3MB8 1 JRNL VERSN REVDAT 1 06-APR-11 3MB8 0 JRNL AUTH T.M.DONALDSON,M.B.CASSERA,M.C.HO,C.ZHAN,E.F.MERINO, JRNL AUTH 2 G.B.EVANS,P.C.TYLER,S.C.ALMO,V.L.SCHRAMM,K.KIM JRNL TITL INHIBITION AND STRUCTURE OF TOXOPLASMA GONDII PURINE JRNL TITL 2 NUCLEOSIDE PHOSPHORYLASE. JRNL REF EUKARYOT CELL V. 13 572 2014 JRNL REFN ESSN 1535-9786 JRNL PMID 24585883 JRNL DOI 10.1128/EC.00308-13 REMARK 2 REMARK 2 RESOLUTION. 1.90 ANGSTROMS. REMARK 3 REMARK 3 REFINEMENT. REMARK 3 PROGRAM : REFMAC 5.5.0109 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) : 20.00 REMARK 3 DATA CUTOFF (SIGMA(F)) : 0.000 REMARK 3 COMPLETENESS FOR RANGE (%) : 99.1 REMARK 3 NUMBER OF REFLECTIONS : 61465 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) : 0.222 REMARK 3 R VALUE (WORKING SET) : 0.221 REMARK 3 FREE R VALUE : 0.243 REMARK 3 FREE R VALUE TEST SET SIZE (%) : 5.100 REMARK 3 FREE R VALUE TEST SET COUNT : 3112 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) : 3926 REMARK 3 BIN COMPLETENESS (WORKING+TEST) (%) : 90.28 REMARK 3 BIN R VALUE (WORKING SET) : 0.2380 REMARK 3 BIN FREE R VALUE SET COUNT : 190 REMARK 3 BIN FREE R VALUE : 0.2720 REMARK 3 REMARK 3 NUMBER OF NON-HYDROGEN ATOMS USED IN REFINEMENT. REMARK 3 PROTEIN ATOMS : 3748 REMARK 3 NUCLEIC ACID ATOMS : 0 REMARK 3 HETEROGEN ATOMS : 72 REMARK 3 SOLVENT ATOMS : 340 REMARK 3 REMARK 3 B VALUES. REMARK 3 FROM WILSON PLOT (A**2) : NULL REMARK 3 MEAN B VALUE (OVERALL, A**2) : 19.43 REMARK 3 OVERALL ANISOTROPIC B VALUE. REMARK 3 B11 (A**2) : -0.64000 REMARK 3 B22 (A**2) : -0.64000 REMARK 3 B33 (A**2) : 0.96000 REMARK 3 B12 (A**2) : -0.32000 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): 0.136 REMARK 3 ESU BASED ON FREE R VALUE (A): 0.126 REMARK 3 ESU BASED ON MAXIMUM LIKELIHOOD (A): 0.084 REMARK 3 ESU FOR B VALUES BASED ON MAXIMUM LIKELIHOOD (A**2): 2.773 REMARK 3 REMARK 3 CORRELATION COEFFICIENTS. REMARK 3 CORRELATION COEFFICIENT FO-FC : 0.918 REMARK 3 CORRELATION COEFFICIENT FO-FC FREE : 0.897 REMARK 3 REMARK 3 RMS DEVIATIONS FROM IDEAL VALUES COUNT RMS WEIGHT REMARK 3 BOND LENGTHS REFINED ATOMS (A): 3896 ; 0.012 ; 0.022 REMARK 3 BOND LENGTHS OTHERS (A): NULL ; NULL ; NULL REMARK 3 BOND ANGLES REFINED ATOMS (DEGREES): 5274 ; 1.457 ; 2.000 REMARK 3 BOND ANGLES OTHERS (DEGREES): NULL ; NULL ; NULL REMARK 3 TORSION ANGLES, PERIOD 1 (DEGREES): 498 ; 5.898 ; 5.000 REMARK 3 TORSION ANGLES, PERIOD 2 (DEGREES): 151 ;36.062 ;24.967 REMARK 3 TORSION ANGLES, PERIOD 3 (DEGREES): 681 ;13.641 ;15.000 REMARK 3 TORSION ANGLES, PERIOD 4 (DEGREES): 20 ;17.421 ;15.000 REMARK 3 CHIRAL-CENTER RESTRAINTS (A**3): 605 ; 0.089 ; 0.200 REMARK 3 GENERAL PLANES REFINED ATOMS (A): 2856 ; 0.006 ; 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): 2465 ; 0.674 ; 1.500 REMARK 3 MAIN-CHAIN BOND OTHER ATOMS (A**2): NULL ; NULL ; NULL REMARK 3 MAIN-CHAIN ANGLE REFINED ATOMS (A**2): 3973 ; 1.262 ; 2.000 REMARK 3 MAIN-CHAIN ANGLE OTHER ATOMS (A**2): NULL ; NULL ; NULL REMARK 3 SIDE-CHAIN BOND REFINED ATOMS (A**2): 1431 ; 2.041 ; 3.000 REMARK 3 SIDE-CHAIN BOND OTHER ATOMS (A**2): NULL ; NULL ; NULL REMARK 3 SIDE-CHAIN ANGLE REFINED ATOMS (A**2): 1301 ; 3.465 ; 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 : 1.20 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. U VALUES REFINED INDIVIDUALLY REMARK 4 REMARK 4 3MB8 COMPLIES WITH FORMAT V. 3.30, 13-JUL-11 REMARK 100 REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY RCSB ON 08-APR-10. REMARK 100 THE DEPOSITION ID IS D_1000058336. REMARK 200 REMARK 200 EXPERIMENTAL DETAILS REMARK 200 EXPERIMENT TYPE : X-RAY DIFFRACTION REMARK 200 DATE OF DATA COLLECTION : 05-FEB-09 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 : NSLS REMARK 200 BEAMLINE : X29A REMARK 200 X-RAY GENERATOR MODEL : NULL REMARK 200 MONOCHROMATIC OR LAUE (M/L) : M REMARK 200 WAVELENGTH OR RANGE (A) : 1.0809 REMARK 200 MONOCHROMATOR : NULL REMARK 200 OPTICS : NULL REMARK 200 REMARK 200 DETECTOR TYPE : CCD REMARK 200 DETECTOR MANUFACTURER : ADSC QUANTUM 315R REMARK 200 INTENSITY-INTEGRATION SOFTWARE : DENZO REMARK 200 DATA SCALING SOFTWARE : SCALEPACK REMARK 200 REMARK 200 NUMBER OF UNIQUE REFLECTIONS : 61484 REMARK 200 RESOLUTION RANGE HIGH (A) : 1.900 REMARK 200 RESOLUTION RANGE LOW (A) : 138.680 REMARK 200 REJECTION CRITERIA (SIGMA(I)) : NULL REMARK 200 REMARK 200 OVERALL. REMARK 200 COMPLETENESS FOR RANGE (%) : 99.4 REMARK 200 DATA REDUNDANCY : 11.40 REMARK 200 R MERGE (I) : 0.13600 REMARK 200 R SYM (I) : NULL REMARK 200 FOR THE DATA SET : 7.5000 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) : 1.97 REMARK 200 COMPLETENESS FOR SHELL (%) : 94.4 REMARK 200 DATA REDUNDANCY IN SHELL : 7.00 REMARK 200 R MERGE FOR SHELL (I) : 0.54100 REMARK 200 R SYM FOR SHELL (I) : NULL REMARK 200 FOR SHELL : NULL REMARK 200 REMARK 200 DIFFRACTION PROTOCOL: SINGLE WAVELENGTH REMARK 200 METHOD USED TO DETERMINE THE STRUCTURE: MOLECULAR REPLACEMENT REMARK 200 SOFTWARE USED: NULL REMARK 200 STARTING MODEL: NULL REMARK 200 REMARK 200 REMARK: NULL REMARK 280 REMARK 280 CRYSTAL REMARK 280 SOLVENT CONTENT, VS (%): 61.84 REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 3.22 REMARK 280 REMARK 280 CRYSTALLIZATION CONDITIONS: 100MM TRIS, 0.2M TRIMETHYLAMINE N REMARK 280 -OXIDE DIHYDRATE, 25% PEG 2000MME, PH 8.0, VAPOR DIFFUSION, REMARK 280 SITTING DROP, TEMPERATURE 291K REMARK 290 REMARK 290 CRYSTALLOGRAPHIC SYMMETRY REMARK 290 SYMMETRY OPERATORS FOR SPACE GROUP: P 6 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 -X,-Y,Z REMARK 290 5555 Y,-X+Y,Z REMARK 290 6555 X-Y,X,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 -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 -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 0.500000 0.866025 0.000000 0.00000 REMARK 290 SMTRY2 5 -0.866025 0.500000 0.000000 0.00000 REMARK 290 SMTRY3 5 0.000000 0.000000 1.000000 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 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 REMARK 350 TOTAL BURIED SURFACE AREA: 26010 ANGSTROM**2 REMARK 350 SURFACE AREA OF THE COMPLEX: 49810 ANGSTROM**2 REMARK 350 CHANGE IN SOLVENT FREE ENERGY: -167.0 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 350 BIOMT1 2 -0.500000 -0.866025 0.000000 159.62200 REMARK 350 BIOMT2 2 0.866025 -0.500000 0.000000 0.00000 REMARK 350 BIOMT3 2 0.000000 0.000000 1.000000 0.00000 REMARK 350 BIOMT1 3 -0.500000 0.866025 0.000000 79.81100 REMARK 350 BIOMT2 3 -0.866025 -0.500000 0.000000 138.23671 REMARK 350 BIOMT3 3 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 1 REMARK 465 PRO A 2 REMARK 465 LYS A 251 REMARK 465 GLY A 252 REMARK 465 GLU A 253 REMARK 465 PHE A 254 REMARK 465 GLU A 255 REMARK 465 ALA A 256 REMARK 465 TYR A 257 REMARK 465 VAL A 258 REMARK 465 GLU A 259 REMARK 465 GLN A 260 REMARK 465 LYS A 261 REMARK 465 LEU A 262 REMARK 465 ILE A 263 REMARK 465 SER A 264 REMARK 465 GLU A 265 REMARK 465 GLU A 266 REMARK 465 ASP A 267 REMARK 465 LEU A 268 REMARK 465 ASN A 269 REMARK 465 SER A 270 REMARK 465 ALA A 271 REMARK 465 VAL A 272 REMARK 465 ASP A 273 REMARK 465 HIS A 274 REMARK 465 HIS A 275 REMARK 465 HIS A 276 REMARK 465 HIS A 277 REMARK 465 HIS A 278 REMARK 465 HIS A 279 REMARK 465 MET B 1 REMARK 465 PRO B 2 REMARK 465 LYS B 251 REMARK 465 GLY B 252 REMARK 465 GLU B 253 REMARK 465 PHE B 254 REMARK 465 GLU B 255 REMARK 465 ALA B 256 REMARK 465 TYR B 257 REMARK 465 VAL B 258 REMARK 465 GLU B 259 REMARK 465 GLN B 260 REMARK 465 LYS B 261 REMARK 465 LEU B 262 REMARK 465 ILE B 263 REMARK 465 SER B 264 REMARK 465 GLU B 265 REMARK 465 GLU B 266 REMARK 465 ASP B 267 REMARK 465 LEU B 268 REMARK 465 ASN B 269 REMARK 465 SER B 270 REMARK 465 ALA B 271 REMARK 465 VAL B 272 REMARK 465 ASP B 273 REMARK 465 HIS B 274 REMARK 465 HIS B 275 REMARK 465 HIS B 276 REMARK 465 HIS B 277 REMARK 465 HIS B 278 REMARK 465 HIS B 279 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 ASN A 168 CB CG OD1 ND2 REMARK 500 REMARK 500 GEOMETRY AND STEREOCHEMISTRY REMARK 500 SUBTOPIC: COVALENT BOND LENGTHS 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,2(A3,1X,A1,I4,A1,1X,A4,3X),1X,F6.3) 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 RES CSSEQI ATM2 DEVIATION REMARK 500 CYS A 182 CB CYS A 182 SG -0.126 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 ARG A 50 -129.76 52.16 REMARK 500 ASP A 222 80.51 -160.50 REMARK 500 ARG B 50 -127.64 53.30 REMARK 500 GLN B 167 67.98 -112.59 REMARK 500 CYS B 181 -2.16 -148.40 REMARK 500 ASP B 222 79.30 -164.35 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 IMH A 280 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC2 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE PO4 A 281 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC3 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE GOL A 282 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC4 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE GOL A 283 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC5 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE IMH B 280 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC6 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE PO4 B 281 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC7 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE GOL B 282 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC8 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE GOL B 283 REMARK 999 REMARK 999 SEQUENCE REMARK 999 AUTHORS STATE THAT THE ELECTRON DENSITY MAP SUGGESTS A VALINE AT REMARK 999 RESIDUE 236. DBREF 3MB8 A 4 250 UNP Q2HXR2 Q2HXR2_TOXGO 1 247 DBREF 3MB8 B 4 250 UNP Q2HXR2 Q2HXR2_TOXGO 1 247 SEQADV 3MB8 MET A 1 UNP Q2HXR2 EXPRESSION TAG SEQADV 3MB8 PRO A 2 UNP Q2HXR2 EXPRESSION TAG SEQADV 3MB8 LEU A 3 UNP Q2HXR2 EXPRESSION TAG SEQADV 3MB8 VAL A 236 UNP Q2HXR2 ILE 233 SEE REMARK 999 SEQADV 3MB8 LYS A 251 UNP Q2HXR2 EXPRESSION TAG SEQADV 3MB8 GLY A 252 UNP Q2HXR2 EXPRESSION TAG SEQADV 3MB8 GLU A 253 UNP Q2HXR2 EXPRESSION TAG SEQADV 3MB8 PHE A 254 UNP Q2HXR2 EXPRESSION TAG SEQADV 3MB8 GLU A 255 UNP Q2HXR2 EXPRESSION TAG SEQADV 3MB8 ALA A 256 UNP Q2HXR2 EXPRESSION TAG SEQADV 3MB8 TYR A 257 UNP Q2HXR2 EXPRESSION TAG SEQADV 3MB8 VAL A 258 UNP Q2HXR2 EXPRESSION TAG SEQADV 3MB8 GLU A 259 UNP Q2HXR2 EXPRESSION TAG SEQADV 3MB8 GLN A 260 UNP Q2HXR2 EXPRESSION TAG SEQADV 3MB8 LYS A 261 UNP Q2HXR2 EXPRESSION TAG SEQADV 3MB8 LEU A 262 UNP Q2HXR2 EXPRESSION TAG SEQADV 3MB8 ILE A 263 UNP Q2HXR2 EXPRESSION TAG SEQADV 3MB8 SER A 264 UNP Q2HXR2 EXPRESSION TAG SEQADV 3MB8 GLU A 265 UNP Q2HXR2 EXPRESSION TAG SEQADV 3MB8 GLU A 266 UNP Q2HXR2 EXPRESSION TAG SEQADV 3MB8 ASP A 267 UNP Q2HXR2 EXPRESSION TAG SEQADV 3MB8 LEU A 268 UNP Q2HXR2 EXPRESSION TAG SEQADV 3MB8 ASN A 269 UNP Q2HXR2 EXPRESSION TAG SEQADV 3MB8 SER A 270 UNP Q2HXR2 EXPRESSION TAG SEQADV 3MB8 ALA A 271 UNP Q2HXR2 EXPRESSION TAG SEQADV 3MB8 VAL A 272 UNP Q2HXR2 EXPRESSION TAG SEQADV 3MB8 ASP A 273 UNP Q2HXR2 EXPRESSION TAG SEQADV 3MB8 HIS A 274 UNP Q2HXR2 EXPRESSION TAG SEQADV 3MB8 HIS A 275 UNP Q2HXR2 EXPRESSION TAG SEQADV 3MB8 HIS A 276 UNP Q2HXR2 EXPRESSION TAG SEQADV 3MB8 HIS A 277 UNP Q2HXR2 EXPRESSION TAG SEQADV 3MB8 HIS A 278 UNP Q2HXR2 EXPRESSION TAG SEQADV 3MB8 HIS A 279 UNP Q2HXR2 EXPRESSION TAG SEQADV 3MB8 MET B 1 UNP Q2HXR2 EXPRESSION TAG SEQADV 3MB8 PRO B 2 UNP Q2HXR2 EXPRESSION TAG SEQADV 3MB8 LEU B 3 UNP Q2HXR2 EXPRESSION TAG SEQADV 3MB8 VAL B 236 UNP Q2HXR2 ILE 233 SEE REMARK 999 SEQADV 3MB8 LYS B 251 UNP Q2HXR2 EXPRESSION TAG SEQADV 3MB8 GLY B 252 UNP Q2HXR2 EXPRESSION TAG SEQADV 3MB8 GLU B 253 UNP Q2HXR2 EXPRESSION TAG SEQADV 3MB8 PHE B 254 UNP Q2HXR2 EXPRESSION TAG SEQADV 3MB8 GLU B 255 UNP Q2HXR2 EXPRESSION TAG SEQADV 3MB8 ALA B 256 UNP Q2HXR2 EXPRESSION TAG SEQADV 3MB8 TYR B 257 UNP Q2HXR2 EXPRESSION TAG SEQADV 3MB8 VAL B 258 UNP Q2HXR2 EXPRESSION TAG SEQADV 3MB8 GLU B 259 UNP Q2HXR2 EXPRESSION TAG SEQADV 3MB8 GLN B 260 UNP Q2HXR2 EXPRESSION TAG SEQADV 3MB8 LYS B 261 UNP Q2HXR2 EXPRESSION TAG SEQADV 3MB8 LEU B 262 UNP Q2HXR2 EXPRESSION TAG SEQADV 3MB8 ILE B 263 UNP Q2HXR2 EXPRESSION TAG SEQADV 3MB8 SER B 264 UNP Q2HXR2 EXPRESSION TAG SEQADV 3MB8 GLU B 265 UNP Q2HXR2 EXPRESSION TAG SEQADV 3MB8 GLU B 266 UNP Q2HXR2 EXPRESSION TAG SEQADV 3MB8 ASP B 267 UNP Q2HXR2 EXPRESSION TAG SEQADV 3MB8 LEU B 268 UNP Q2HXR2 EXPRESSION TAG SEQADV 3MB8 ASN B 269 UNP Q2HXR2 EXPRESSION TAG SEQADV 3MB8 SER B 270 UNP Q2HXR2 EXPRESSION TAG SEQADV 3MB8 ALA B 271 UNP Q2HXR2 EXPRESSION TAG SEQADV 3MB8 VAL B 272 UNP Q2HXR2 EXPRESSION TAG SEQADV 3MB8 ASP B 273 UNP Q2HXR2 EXPRESSION TAG SEQADV 3MB8 HIS B 274 UNP Q2HXR2 EXPRESSION TAG SEQADV 3MB8 HIS B 275 UNP Q2HXR2 EXPRESSION TAG SEQADV 3MB8 HIS B 276 UNP Q2HXR2 EXPRESSION TAG SEQADV 3MB8 HIS B 277 UNP Q2HXR2 EXPRESSION TAG SEQADV 3MB8 HIS B 278 UNP Q2HXR2 EXPRESSION TAG SEQADV 3MB8 HIS B 279 UNP Q2HXR2 EXPRESSION TAG SEQRES 1 A 279 MET PRO LEU MET GLN GLY MET GLU VAL GLN PRO HIS ILE SEQRES 2 A 279 ARG LEU ARG LYS GLU ASP VAL GLU PRO VAL VAL ILE ILE SEQRES 3 A 279 VAL GLY ASP PRO ALA ARG THR GLU GLU VAL ALA ASN MET SEQRES 4 A 279 CYS GLU LYS LYS GLN GLU LEU ALA TYR ASN ARG GLU TYR SEQRES 5 A 279 ARG SER PHE ARG VAL VAL TYR ASP SER GLN PRO ILE THR SEQRES 6 A 279 VAL ILE SER HIS GLY ILE GLY CYS PRO GLY THR SER ILE SEQRES 7 A 279 ALA ILE GLU GLU LEU ALA TYR LEU GLY ALA LYS VAL ILE SEQRES 8 A 279 ILE ARG ALA GLY THR CYS GLY SER LEU LYS PRO LYS THR SEQRES 9 A 279 LEU LYS GLN GLY ASP VAL CYS VAL THR TYR ALA ALA VAL SEQRES 10 A 279 ASN GLU THR GLY LEU ILE SER ASN ILE LEU PRO GLU GLY SEQRES 11 A 279 PHE PRO CYS VAL ALA THR PRO HIS VAL TYR GLN ALA LEU SEQRES 12 A 279 MET ASP ALA ALA LYS GLU LEU GLY ILE GLU ALA ALA SER SEQRES 13 A 279 GLY ILE GLY VAL THR GLN ASP TYR PHE TYR GLN ASN GLY SEQRES 14 A 279 ILE LEU PRO SER LYS LEU GLU MET TYR SER LYS CYS CYS SEQRES 15 A 279 ASP VAL ILE ASP MET GLU MET SER GLY VAL LEU GLY LEU SEQRES 16 A 279 CYS GLN ALA ARG GLY ILE ALA THR CYS GLY ILE LEU ALA SEQRES 17 A 279 VAL ASP GLY SER PRO LEU GLN TRP ASP GLU GLY ASP TYR SEQRES 18 A 279 ASP ALA THR GLY VAL LYS ALA THR THR GLY LYS GLU ASN SEQRES 19 A 279 MET VAL LYS ILE THR LEU LYS ALA CYS ALA ASN LEU ARG SEQRES 20 A 279 ARG GLN TYR LYS GLY GLU PHE GLU ALA TYR VAL GLU GLN SEQRES 21 A 279 LYS LEU ILE SER GLU GLU ASP LEU ASN SER ALA VAL ASP SEQRES 22 A 279 HIS HIS HIS HIS HIS HIS SEQRES 1 B 279 MET PRO LEU MET GLN GLY MET GLU VAL GLN PRO HIS ILE SEQRES 2 B 279 ARG LEU ARG LYS GLU ASP VAL GLU PRO VAL VAL ILE ILE SEQRES 3 B 279 VAL GLY ASP PRO ALA ARG THR GLU GLU VAL ALA ASN MET SEQRES 4 B 279 CYS GLU LYS LYS GLN GLU LEU ALA TYR ASN ARG GLU TYR SEQRES 5 B 279 ARG SER PHE ARG VAL VAL TYR ASP SER GLN PRO ILE THR SEQRES 6 B 279 VAL ILE SER HIS GLY ILE GLY CYS PRO GLY THR SER ILE SEQRES 7 B 279 ALA ILE GLU GLU LEU ALA TYR LEU GLY ALA LYS VAL ILE SEQRES 8 B 279 ILE ARG ALA GLY THR CYS GLY SER LEU LYS PRO LYS THR SEQRES 9 B 279 LEU LYS GLN GLY ASP VAL CYS VAL THR TYR ALA ALA VAL SEQRES 10 B 279 ASN GLU THR GLY LEU ILE SER ASN ILE LEU PRO GLU GLY SEQRES 11 B 279 PHE PRO CYS VAL ALA THR PRO HIS VAL TYR GLN ALA LEU SEQRES 12 B 279 MET ASP ALA ALA LYS GLU LEU GLY ILE GLU ALA ALA SER SEQRES 13 B 279 GLY ILE GLY VAL THR GLN ASP TYR PHE TYR GLN ASN GLY SEQRES 14 B 279 ILE LEU PRO SER LYS LEU GLU MET TYR SER LYS CYS CYS SEQRES 15 B 279 ASP VAL ILE ASP MET GLU MET SER GLY VAL LEU GLY LEU SEQRES 16 B 279 CYS GLN ALA ARG GLY ILE ALA THR CYS GLY ILE LEU ALA SEQRES 17 B 279 VAL ASP GLY SER PRO LEU GLN TRP ASP GLU GLY ASP TYR SEQRES 18 B 279 ASP ALA THR GLY VAL LYS ALA THR THR GLY LYS GLU ASN SEQRES 19 B 279 MET VAL LYS ILE THR LEU LYS ALA CYS ALA ASN LEU ARG SEQRES 20 B 279 ARG GLN TYR LYS GLY GLU PHE GLU ALA TYR VAL GLU GLN SEQRES 21 B 279 LYS LEU ILE SER GLU GLU ASP LEU ASN SER ALA VAL ASP SEQRES 22 B 279 HIS HIS HIS HIS HIS HIS HET IMH A 280 19 HET PO4 A 281 5 HET GOL A 282 6 HET GOL A 283 6 HET IMH B 280 19 HET PO4 B 281 5 HET GOL B 282 6 HET GOL B 283 6 HETNAM IMH 1,4-DIDEOXY-4-AZA-1-(S)-(9-DEAZAHYPOXANTHIN-9-YL)-D- HETNAM 2 IMH RIBITOL HETNAM PO4 PHOSPHATE ION HETNAM GOL GLYCEROL HETSYN IMH FORODESINE; IMMUCILLIN H HETSYN GOL GLYCERIN; PROPANE-1,2,3-TRIOL FORMUL 3 IMH 2(C11 H14 N4 O4) FORMUL 4 PO4 2(O4 P 3-) FORMUL 5 GOL 4(C3 H8 O3) FORMUL 11 HOH *340(H2 O) HELIX 1 1 ARG A 16 VAL A 20 5 5 HELIX 2 2 ASP A 29 ASN A 38 1 10 HELIX 3 3 GLY A 72 LEU A 86 1 15 HELIX 4 4 THR A 120 LEU A 127 1 8 HELIX 5 5 THR A 136 GLY A 151 1 16 HELIX 6 6 LYS A 174 LYS A 180 1 7 HELIX 7 7 GLU A 188 ARG A 199 1 12 HELIX 8 8 SER A 212 GLY A 219 5 8 HELIX 9 9 GLY A 225 GLN A 249 1 25 HELIX 10 10 ARG B 16 VAL B 20 5 5 HELIX 11 11 ASP B 29 ASN B 38 1 10 HELIX 12 12 GLY B 72 LEU B 86 1 15 HELIX 13 13 THR B 120 LEU B 127 1 8 HELIX 14 14 THR B 136 GLY B 151 1 16 HELIX 15 15 LYS B 174 SER B 179 1 6 HELIX 16 16 GLU B 188 ARG B 199 1 12 HELIX 17 17 SER B 212 GLY B 219 5 8 HELIX 18 18 GLY B 225 GLN B 249 1 25 SHEET 1 A 9 LYS A 42 ASN A 49 0 SHEET 2 A 9 TYR A 52 TYR A 59 -1 O SER A 54 N LEU A 46 SHEET 3 A 9 GLN A 62 SER A 68 -1 O ILE A 64 N VAL A 57 SHEET 4 A 9 VAL A 23 VAL A 27 1 N ILE A 25 O THR A 65 SHEET 5 A 9 VAL A 90 SER A 99 1 O ILE A 92 N ILE A 26 SHEET 6 A 9 VAL A 184 ASP A 186 -1 O ILE A 185 N GLY A 98 SHEET 7 A 9 ALA A 155 THR A 161 1 N VAL A 160 O ASP A 186 SHEET 8 A 9 VAL A 110 ASN A 118 1 N VAL A 112 O ALA A 155 SHEET 9 A 9 CYS A 133 VAL A 134 -1 O CYS A 133 N ALA A 116 SHEET 1 B 8 LYS A 42 ASN A 49 0 SHEET 2 B 8 TYR A 52 TYR A 59 -1 O SER A 54 N LEU A 46 SHEET 3 B 8 GLN A 62 SER A 68 -1 O ILE A 64 N VAL A 57 SHEET 4 B 8 VAL A 23 VAL A 27 1 N ILE A 25 O THR A 65 SHEET 5 B 8 VAL A 90 SER A 99 1 O ILE A 92 N ILE A 26 SHEET 6 B 8 ALA A 202 VAL A 209 1 O ALA A 202 N ILE A 91 SHEET 7 B 8 VAL A 110 ASN A 118 -1 N CYS A 111 O LEU A 207 SHEET 8 B 8 CYS A 133 VAL A 134 -1 O CYS A 133 N ALA A 116 SHEET 1 C 9 LYS B 42 ASN B 49 0 SHEET 2 C 9 TYR B 52 TYR B 59 -1 O SER B 54 N LEU B 46 SHEET 3 C 9 GLN B 62 SER B 68 -1 O ILE B 64 N VAL B 57 SHEET 4 C 9 VAL B 23 VAL B 27 1 N ILE B 25 O THR B 65 SHEET 5 C 9 VAL B 90 SER B 99 1 O ILE B 92 N ILE B 26 SHEET 6 C 9 VAL B 184 ASP B 186 -1 O ILE B 185 N GLY B 98 SHEET 7 C 9 ALA B 155 THR B 161 1 N VAL B 160 O ASP B 186 SHEET 8 C 9 VAL B 110 ASN B 118 1 N VAL B 117 O GLY B 159 SHEET 9 C 9 CYS B 133 VAL B 134 -1 O CYS B 133 N ALA B 116 SHEET 1 D 8 LYS B 42 ASN B 49 0 SHEET 2 D 8 TYR B 52 TYR B 59 -1 O SER B 54 N LEU B 46 SHEET 3 D 8 GLN B 62 SER B 68 -1 O ILE B 64 N VAL B 57 SHEET 4 D 8 VAL B 23 VAL B 27 1 N ILE B 25 O THR B 65 SHEET 5 D 8 VAL B 90 SER B 99 1 O ILE B 92 N ILE B 26 SHEET 6 D 8 ALA B 202 GLY B 211 1 O GLY B 211 N SER B 99 SHEET 7 D 8 VAL B 110 ASN B 118 -1 N CYS B 111 O LEU B 207 SHEET 8 D 8 CYS B 133 VAL B 134 -1 O CYS B 133 N ALA B 116 SITE 1 AC1 17 ILE A 71 ARG A 93 THR A 96 CYS A 97 SITE 2 AC1 17 GLY A 98 ASP A 186 MET A 187 GLU A 188 SITE 3 AC1 17 ASP A 210 PRO A 213 TRP A 216 PO4 A 281 SITE 4 AC1 17 HOH A 295 HOH A 312 HOH A 313 HIS B 12 SITE 5 AC1 17 GOL B 283 SITE 1 AC2 7 GLY A 28 ARG A 32 ARG A 93 GLY A 95 SITE 2 AC2 7 THR A 96 IMH A 280 ARG B 50 SITE 1 AC3 5 ARG A 14 ARG A 16 ASP A 19 LEU A 46 SITE 2 AC3 5 HOH A 319 SITE 1 AC4 9 PRO A 11 ARG A 14 ASN A 49 ARG A 50 SITE 2 AC4 9 HOH A 360 TYR B 221 ALA B 223 IMH B 280 SITE 3 AC4 9 HOH B 321 SITE 1 AC5 18 HIS A 12 GOL A 283 ILE B 71 ARG B 93 SITE 2 AC5 18 THR B 96 CYS B 97 GLY B 98 PHE B 165 SITE 3 AC5 18 ASP B 186 MET B 187 GLU B 188 ASP B 210 SITE 4 AC5 18 PRO B 213 TRP B 216 PO4 B 281 HOH B 289 SITE 5 AC5 18 HOH B 305 HOH B 318 SITE 1 AC6 7 ARG A 50 GLY B 28 ARG B 32 ARG B 93 SITE 2 AC6 7 GLY B 95 THR B 96 IMH B 280 SITE 1 AC7 5 ARG B 14 ARG B 16 ASP B 19 LEU B 46 SITE 2 AC7 5 HOH B 297 SITE 1 AC8 9 TYR A 221 ALA A 223 IMH A 280 HOH A 333 SITE 2 AC8 9 PRO B 11 ARG B 14 ASN B 49 ARG B 50 SITE 3 AC8 9 HOH B 322 CRYST1 159.622 159.622 53.606 90.00 90.00 120.00 P 6 12 ORIGX1 1.000000 0.000000 0.000000 0.00000 ORIGX2 0.000000 1.000000 0.000000 0.00000 ORIGX3 0.000000 0.000000 1.000000 0.00000 SCALE1 0.006265 0.003617 0.000000 0.00000 SCALE2 0.000000 0.007234 0.000000 0.00000 SCALE3 0.000000 0.000000 0.018655 0.00000