HEADER TRANSFERASE 13-FEB-96 1DBR TITLE HYPOXANTHINE GUANINE XANTHINE COMPND MOL_ID: 1; COMPND 2 MOLECULE: HYPOXANTHINE GUANINE XANTHINE PHOSPHORIBOSYLTRANSFERASE; COMPND 3 CHAIN: A, B, C, D; COMPND 4 SYNONYM: HGXPRTASE; COMPND 5 ENGINEERED: YES; COMPND 6 OTHER_DETAILS: APO FORM SOURCE MOL_ID: 1; SOURCE 2 ORGANISM_SCIENTIFIC: TOXOPLASMA GONDII; SOURCE 3 ORGANISM_TAXID: 5811; SOURCE 4 EXPRESSION_SYSTEM: ESCHERICHIA COLI; SOURCE 5 EXPRESSION_SYSTEM_TAXID: 562 KEYWDS TRANSFERASE, GLYCOSYLTRANSFERASE, PURINE SALVAGE EXPDTA X-RAY DIFFRACTION AUTHOR M.A.SCHUMACHER,D.CARTER,D.ROOS,B.ULLMAN,R.G.BRENNAN REVDAT 4 07-FEB-24 1DBR 1 REMARK LINK REVDAT 3 24-FEB-09 1DBR 1 VERSN REVDAT 2 01-APR-03 1DBR 1 JRNL REVDAT 1 03-DEC-97 1DBR 0 JRNL AUTH M.A.SCHUMACHER,D.CARTER,D.S.ROSS,B.ULLMAN,R.G.BRENNAN JRNL TITL CRYSTAL STRUCTURES OF TOXOPLASMA GONDII HGXPRTASE REVEAL THE JRNL TITL 2 CATALYTIC ROLE OF A LONG FLEXIBLE LOOP. JRNL REF NAT.STRUCT.BIOL. V. 3 881 1996 JRNL REFN ISSN 1072-8368 JRNL PMID 8836106 JRNL DOI 10.1038/NSB1096-881 REMARK 2 REMARK 2 RESOLUTION. 2.40 ANGSTROMS. REMARK 3 REMARK 3 REFINEMENT. REMARK 3 PROGRAM : TNT REMARK 3 AUTHORS : TRONRUD,TEN EYCK,MATTHEWS REMARK 3 REMARK 3 DATA USED IN REFINEMENT. REMARK 3 RESOLUTION RANGE HIGH (ANGSTROMS) : 2.40 REMARK 3 RESOLUTION RANGE LOW (ANGSTROMS) : 10.00 REMARK 3 DATA CUTOFF (SIGMA(F)) : 1.000 REMARK 3 COMPLETENESS FOR RANGE (%) : 90.0 REMARK 3 NUMBER OF REFLECTIONS : 37403 REMARK 3 REMARK 3 USING DATA ABOVE SIGMA CUTOFF. 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) : 0.168 REMARK 3 FREE R VALUE : NULL REMARK 3 FREE R VALUE TEST SET SIZE (%) : NULL REMARK 3 FREE R VALUE TEST SET COUNT : NULL REMARK 3 REMARK 3 USING ALL DATA, NO SIGMA CUTOFF. REMARK 3 R VALUE (WORKING + TEST SET, NO CUTOFF) : NULL REMARK 3 R VALUE (WORKING SET, NO CUTOFF) : NULL REMARK 3 FREE R VALUE (NO CUTOFF) : NULL REMARK 3 FREE R VALUE TEST SET SIZE (%, NO CUTOFF) : NULL REMARK 3 FREE R VALUE TEST SET COUNT (NO CUTOFF) : NULL REMARK 3 TOTAL NUMBER OF REFLECTIONS (NO CUTOFF) : NULL REMARK 3 REMARK 3 NUMBER OF NON-HYDROGEN ATOMS USED IN REFINEMENT. REMARK 3 PROTEIN ATOMS : 7103 REMARK 3 NUCLEIC ACID ATOMS : 0 REMARK 3 HETEROGEN ATOMS : 4 REMARK 3 SOLVENT ATOMS : 387 REMARK 3 REMARK 3 WILSON B VALUE (FROM FCALC, A**2) : NULL REMARK 3 REMARK 3 RMS DEVIATIONS FROM IDEAL VALUES. RMS WEIGHT COUNT REMARK 3 BOND LENGTHS (A) : 0.020 ; NULL ; NULL REMARK 3 BOND ANGLES (DEGREES) : 2.555 ; NULL ; NULL REMARK 3 TORSION ANGLES (DEGREES) : NULL ; NULL ; NULL REMARK 3 PSEUDOROTATION ANGLES (DEGREES) : NULL ; NULL ; NULL REMARK 3 TRIGONAL CARBON PLANES (A) : NULL ; NULL ; NULL REMARK 3 GENERAL PLANES (A) : NULL ; NULL ; NULL REMARK 3 ISOTROPIC THERMAL FACTORS (A**2) : NULL ; NULL ; NULL REMARK 3 NON-BONDED CONTACTS (A) : NULL ; NULL ; NULL REMARK 3 REMARK 3 INCORRECT CHIRAL-CENTERS (COUNT) : NULL REMARK 3 REMARK 3 BULK SOLVENT MODELING. REMARK 3 METHOD USED : NULL REMARK 3 KSOL : NULL REMARK 3 BSOL : NULL REMARK 3 REMARK 3 RESTRAINT LIBRARIES. REMARK 3 STEREOCHEMISTRY : NULL REMARK 3 ISOTROPIC THERMAL FACTOR RESTRAINTS : NULL REMARK 3 REMARK 3 OTHER REFINEMENT REMARKS: NULL REMARK 4 REMARK 4 1DBR 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_1000172725. REMARK 200 REMARK 200 EXPERIMENTAL DETAILS REMARK 200 EXPERIMENT TYPE : X-RAY DIFFRACTION REMARK 200 DATE OF DATA COLLECTION : NULL REMARK 200 TEMPERATURE (KELVIN) : NULL REMARK 200 PH : NULL REMARK 200 NUMBER OF CRYSTALS USED : NULL REMARK 200 REMARK 200 SYNCHROTRON (Y/N) : NULL REMARK 200 RADIATION SOURCE : NULL REMARK 200 BEAMLINE : NULL REMARK 200 X-RAY GENERATOR MODEL : NULL REMARK 200 MONOCHROMATIC OR LAUE (M/L) : NULL REMARK 200 WAVELENGTH OR RANGE (A) : NULL REMARK 200 MONOCHROMATOR : NULL REMARK 200 OPTICS : NULL REMARK 200 REMARK 200 DETECTOR TYPE : NULL REMARK 200 DETECTOR MANUFACTURER : NULL REMARK 200 INTENSITY-INTEGRATION SOFTWARE : NULL REMARK 200 DATA SCALING SOFTWARE : NULL REMARK 200 REMARK 200 NUMBER OF UNIQUE REFLECTIONS : NULL REMARK 200 RESOLUTION RANGE HIGH (A) : NULL REMARK 200 RESOLUTION RANGE LOW (A) : NULL REMARK 200 REJECTION CRITERIA (SIGMA(I)) : NULL REMARK 200 REMARK 200 OVERALL. REMARK 200 COMPLETENESS FOR RANGE (%) : NULL REMARK 200 DATA REDUNDANCY : NULL REMARK 200 R MERGE (I) : NULL REMARK 200 R SYM (I) : NULL REMARK 200 <I/SIGMA(I)> FOR THE DATA SET : NULL REMARK 200 REMARK 200 IN THE HIGHEST RESOLUTION SHELL. REMARK 200 HIGHEST RESOLUTION SHELL, RANGE HIGH (A) : NULL REMARK 200 HIGHEST RESOLUTION SHELL, RANGE LOW (A) : NULL REMARK 200 COMPLETENESS FOR SHELL (%) : NULL REMARK 200 DATA REDUNDANCY IN SHELL : NULL REMARK 200 R MERGE FOR SHELL (I) : NULL REMARK 200 R SYM FOR SHELL (I) : NULL REMARK 200 <I/SIGMA(I)> FOR SHELL : NULL REMARK 200 REMARK 200 DIFFRACTION PROTOCOL: NULL REMARK 200 METHOD USED TO DETERMINE THE STRUCTURE: NULL 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 (%): 50.44 REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 2.48 REMARK 280 REMARK 280 CRYSTALLIZATION CONDITIONS: NULL 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 54.61000 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: THE ENTRY CONTAINS FOUR MONOMERS IN THE ASYMMETRIC UNIT. REMARK 300 THE CHAINS ARE IDENTIFIED AS A, B, C, AND D. THE REMARK 300 N-TERMINAL METHIONINE IS CLEAVED IN THE RECOMBINANT REMARK 300 PROTEIN. 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: TETRAMERIC REMARK 350 SOFTWARE DETERMINED QUATERNARY STRUCTURE: TETRAMERIC REMARK 350 SOFTWARE USED: PISA REMARK 350 TOTAL BURIED SURFACE AREA: 10360 ANGSTROM**2 REMARK 350 SURFACE AREA OF THE COMPLEX: 37580 ANGSTROM**2 REMARK 350 CHANGE IN SOLVENT FREE ENERGY: -75.0 KCAL/MOL REMARK 350 APPLY THE FOLLOWING TO CHAINS: A, B, C, D 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 1 REMARK 465 LYS A 116 REMARK 465 SER A 117 REMARK 465 TYR A 118 REMARK 465 MET B 1 REMARK 465 LYS B 116 REMARK 465 SER B 117 REMARK 465 TYR B 118 REMARK 465 GLN B 119 REMARK 465 ASN B 120 REMARK 465 ASP B 121 REMARK 465 ASN B 122 REMARK 465 SER B 123 REMARK 465 THR B 124 REMARK 465 GLY B 125 REMARK 465 GLN B 126 REMARK 465 MET C 1 REMARK 465 ALA C 2 REMARK 465 SER C 3 REMARK 465 LYS C 4 REMARK 465 PRO C 5 REMARK 465 LYS C 116 REMARK 465 SER C 117 REMARK 465 TYR C 118 REMARK 465 GLN C 119 REMARK 465 ASN C 120 REMARK 465 ASP C 121 REMARK 465 ASN C 122 REMARK 465 SER C 123 REMARK 465 THR C 124 REMARK 465 GLY C 125 REMARK 465 GLN C 126 REMARK 465 MET D 1 REMARK 465 ALA D 2 REMARK 465 SER D 3 REMARK 465 LYS D 4 REMARK 465 PRO D 5 REMARK 465 LYS D 116 REMARK 465 SER D 117 REMARK 465 TYR D 118 REMARK 465 GLN D 119 REMARK 465 ASN D 120 REMARK 465 ASP D 121 REMARK 465 ASN D 122 REMARK 465 SER D 123 REMARK 465 THR D 124 REMARK 465 GLY D 125 REMARK 465 GLN D 126 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 VAL C 219 CG1 CG2 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 D 186 O HOH D 243 2.18 REMARK 500 REMARK 500 REMARK: NULL 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 ASN A 120 N ASN A 120 CA 0.324 REMARK 500 CYS A 203 CA CYS A 203 CB 0.280 REMARK 500 CYS A 203 CB CYS A 203 SG 0.342 REMARK 500 CYS A 204 CB CYS A 204 SG 0.108 REMARK 500 CYS B 204 CA CYS B 204 CB -0.136 REMARK 500 CYS C 203 CB CYS C 203 SG 0.174 REMARK 500 CYS D 76 CB CYS D 76 SG 0.131 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 ARG A 15 NE - CZ - NH1 ANGL. DEV. = -4.6 DEGREES REMARK 500 ARG A 15 NE - CZ - NH2 ANGL. DEV. = 5.0 DEGREES REMARK 500 MET A 19 CG - SD - CE ANGL. DEV. = -9.9 DEGREES REMARK 500 LEU A 115 CA - CB - CG ANGL. DEV. = -15.0 DEGREES REMARK 500 ASN A 120 N - CA - CB ANGL. DEV. = 17.0 DEGREES REMARK 500 ARG A 138 NE - CZ - NH2 ANGL. DEV. = 3.4 DEGREES REMARK 500 ILE A 144 CA - CB - CG2 ANGL. DEV. = 12.7 DEGREES REMARK 500 LEU A 162 CA - CB - CG ANGL. DEV. = 19.9 DEGREES REMARK 500 ARG A 171 NE - CZ - NH2 ANGL. DEV. = 3.1 DEGREES REMARK 500 ARG A 179 NE - CZ - NH2 ANGL. DEV. = 4.1 DEGREES REMARK 500 ARG A 182 NE - CZ - NH2 ANGL. DEV. = 3.7 DEGREES REMARK 500 CYS A 203 CA - CB - SG ANGL. DEV. = 12.1 DEGREES REMARK 500 PRO B 5 O - C - N ANGL. DEV. = 11.0 DEGREES REMARK 500 ASP B 23 CB - CG - OD1 ANGL. DEV. = 7.5 DEGREES REMARK 500 ASP B 30 CB - CA - C ANGL. DEV. = -12.0 DEGREES REMARK 500 CYS B 38 CA - CB - SG ANGL. DEV. = 6.9 DEGREES REMARK 500 LEU B 46 CB - CG - CD1 ANGL. DEV. = 13.1 DEGREES REMARK 500 LEU B 47 CB - CG - CD1 ANGL. DEV. = -14.4 DEGREES REMARK 500 ARG B 55 NE - CZ - NH2 ANGL. DEV. = 3.2 DEGREES REMARK 500 ARG B 65 NE - CZ - NH2 ANGL. DEV. = 3.6 DEGREES REMARK 500 LEU B 78 N - CA - C ANGL. DEV. = 20.5 DEGREES REMARK 500 LYS B 79 C - N - CA ANGL. DEV. = 15.6 DEGREES REMARK 500 ARG B 161 NE - CZ - NH2 ANGL. DEV. = 3.5 DEGREES REMARK 500 SER B 183 N - CA - C ANGL. DEV. = 17.1 DEGREES REMARK 500 ASN B 184 N - CA - C ANGL. DEV. = -22.4 DEGREES REMARK 500 ASP B 189 CB - CG - OD1 ANGL. DEV. = -6.0 DEGREES REMARK 500 CYS B 204 CA - CB - SG ANGL. DEV. = -16.0 DEGREES REMARK 500 ARG B 212 NE - CZ - NH2 ANGL. DEV. = 3.3 DEGREES REMARK 500 ARG B 225 NE - CZ - NH2 ANGL. DEV. = 3.3 DEGREES REMARK 500 ASP C 31 CB - CA - C ANGL. DEV. = 15.0 DEGREES REMARK 500 PRO C 35 C - N - CD ANGL. DEV. = -20.5 DEGREES REMARK 500 PRO C 36 C - N - CD ANGL. DEV. = -33.6 DEGREES REMARK 500 CYS C 38 CA - CB - SG ANGL. DEV. = 8.4 DEGREES REMARK 500 TYR C 41 N - CA - C ANGL. DEV. = 18.8 DEGREES REMARK 500 ARG C 55 CG - CD - NE ANGL. DEV. = -18.2 DEGREES REMARK 500 ARG C 65 NE - CZ - NH2 ANGL. DEV. = 3.7 DEGREES REMARK 500 LEU C 78 N - CA - C ANGL. DEV. = 16.8 DEGREES REMARK 500 ARG C 114 NE - CZ - NH2 ANGL. DEV. = 3.1 DEGREES REMARK 500 ARG C 138 NE - CZ - NH2 ANGL. DEV. = 3.5 DEGREES REMARK 500 LEU C 155 CA - CB - CG ANGL. DEV. = -15.7 DEGREES REMARK 500 ILE C 172 CB - CA - C ANGL. DEV. = -12.4 DEGREES REMARK 500 VAL C 219 N - CA - C ANGL. DEV. = -17.9 DEGREES REMARK 500 LEU C 220 CB - CG - CD2 ANGL. DEV. = -10.4 DEGREES REMARK 500 PHE C 228 N - CA - C ANGL. DEV. = 19.4 DEGREES REMARK 500 ILE D 16 N - CA - C ANGL. DEV. = -16.6 DEGREES REMARK 500 CYS D 38 CA - CB - SG ANGL. DEV. = 7.1 DEGREES REMARK 500 LEU D 47 CA - CB - CG ANGL. DEV. = 15.4 DEGREES REMARK 500 PRO D 48 C - N - CD ANGL. DEV. = -15.1 DEGREES REMARK 500 ASP D 54 CB - CG - OD1 ANGL. DEV. = 7.7 DEGREES REMARK 500 ASP D 54 CB - CG - OD2 ANGL. DEV. = -5.9 DEGREES REMARK 500 REMARK 500 THIS ENTRY HAS 54 ANGLE DEVIATIONS. 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 GLU A 7 -98.15 -31.94 REMARK 500 TYR A 9 113.26 -164.40 REMARK 500 LYS A 13 102.73 -42.22 REMARK 500 ASP A 23 156.83 -49.79 REMARK 500 LYS A 79 -90.34 100.14 REMARK 500 SER A 81 3.20 -68.20 REMARK 500 GLU A 102 127.27 -21.18 REMARK 500 SER A 103 132.62 -174.87 REMARK 500 ASN A 120 166.89 94.59 REMARK 500 ASP A 121 4.55 -15.34 REMARK 500 ASN A 122 -26.97 -174.08 REMARK 500 SER A 123 -139.01 -84.39 REMARK 500 GLN A 126 39.59 -141.21 REMARK 500 ASP A 132 -147.95 -74.18 REMARK 500 SER A 135 -15.84 -49.75 REMARK 500 ILE A 148 144.30 178.83 REMARK 500 THR A 151 -20.82 -144.92 REMARK 500 ARG A 182 160.94 157.59 REMARK 500 ASN A 184 70.51 62.23 REMARK 500 ASP A 197 84.49 -66.72 REMARK 500 CYS A 204 3.42 80.55 REMARK 500 PHE A 211 -18.61 78.73 REMARK 500 ASP A 213 2.45 -67.31 REMARK 500 LYS A 230 7.75 33.21 REMARK 500 LYS B 4 87.44 72.28 REMARK 500 PRO B 5 -166.95 -57.56 REMARK 500 PRO B 22 154.17 -43.06 REMARK 500 LYS B 79 -70.59 83.52 REMARK 500 PHE B 108 172.29 178.49 REMARK 500 LEU B 130 79.67 -110.55 REMARK 500 ASP B 132 -161.26 -108.28 REMARK 500 ASP B 139 -1.55 70.80 REMARK 500 ILE B 148 143.31 -170.41 REMARK 500 SER B 169 157.22 176.99 REMARK 500 ARG B 182 9.79 -51.26 REMARK 500 SER B 183 90.10 -46.97 REMARK 500 ASN B 184 68.52 -155.36 REMARK 500 CYS B 203 50.74 36.50 REMARK 500 CYS B 204 0.23 89.17 REMARK 500 GLU B 229 -104.30 -173.16 REMARK 500 LYS B 230 82.08 -55.97 REMARK 500 ARG C 15 128.60 4.50 REMARK 500 HIS C 37 21.65 -77.78 REMARK 500 ASP C 43 -43.49 -142.48 REMARK 500 LYS C 79 -66.56 89.03 REMARK 500 THR C 128 154.64 -35.05 REMARK 500 SER C 131 -157.76 -48.25 REMARK 500 PHE C 137 33.22 -79.41 REMARK 500 ASP C 139 15.66 177.45 REMARK 500 THR C 151 -141.41 -131.49 REMARK 500 REMARK 500 THIS ENTRY HAS 75 RAMACHANDRAN OUTLIERS. 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 LYS C 230 VAL C 231 149.14 REMARK 500 REMARK 500 REMARK: NULL REMARK 500 REMARK 500 GEOMETRY AND STEREOCHEMISTRY REMARK 500 SUBTOPIC: PLANAR GROUPS REMARK 500 REMARK 500 PLANAR GROUPS IN THE FOLLOWING RESIDUES HAVE A TOTAL REMARK 500 RMS DISTANCE OF ALL ATOMS FROM THE BEST-FIT PLANE REMARK 500 BY MORE THAN AN EXPECTED VALUE OF 6*RMSD, WITH AN REMARK 500 RMSD 0.02 ANGSTROMS, OR AT LEAST ONE ATOM HAS REMARK 500 AN RMSD GREATER THAN THIS VALUE REMARK 500 (M=MODEL NUMBER; RES=RESIDUE NAME; C=CHAIN IDENTIFIER; REMARK 500 SSEQ=SEQUENCE NUMBER; I=INSERTION CODE). REMARK 500 REMARK 500 M RES CSSEQI RMS TYPE REMARK 500 ARG D 179 0.15 SIDE CHAIN 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 232 MG REMARK 620 N RES CSSEQI ATOM REMARK 620 1 GLU A 146 OE1 REMARK 620 2 ASP A 147 OD1 59.8 REMARK 620 3 HOH A 323 O 62.8 55.5 REMARK 620 N 1 2 REMARK 620 REMARK 620 COORDINATION ANGLES FOR: M RES CSSEQI METAL REMARK 620 MG B 232 MG REMARK 620 N RES CSSEQI ATOM REMARK 620 1 GLU B 146 OE1 REMARK 620 2 ASP B 147 OD1 71.1 REMARK 620 N 1 REMARK 620 REMARK 620 COORDINATION ANGLES FOR: M RES CSSEQI METAL REMARK 620 MG C 232 MG REMARK 620 N RES CSSEQI ATOM REMARK 620 1 GLU C 146 OE1 REMARK 620 2 ASP C 147 OD1 55.4 REMARK 620 N 1 REMARK 620 REMARK 620 COORDINATION ANGLES FOR: M RES CSSEQI METAL REMARK 620 MG D 232 MG REMARK 620 N RES CSSEQI ATOM REMARK 620 1 GLU D 146 OE1 REMARK 620 2 GLU D 146 OE2 52.4 REMARK 620 3 ASP D 147 OD1 71.9 119.0 REMARK 620 N 1 2 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 232 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC2 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE MG B 232 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC3 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE MG C 232 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC4 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE MG D 232 DBREF 1DBR A 1 230 UNP Q26997 HGXR_TOXGO 1 230 DBREF 1DBR B 1 230 UNP Q26997 HGXR_TOXGO 1 230 DBREF 1DBR C 1 230 UNP Q26997 HGXR_TOXGO 1 230 DBREF 1DBR D 1 230 UNP Q26997 HGXR_TOXGO 1 230 SEQRES 1 A 231 MET ALA SER LYS PRO ILE GLU ASP TYR GLY LYS GLY LYS SEQRES 2 A 231 GLY ARG ILE GLU PRO MET TYR ILE PRO ASP ASN THR PHE SEQRES 3 A 231 TYR ASN ALA ASP ASP PHE LEU VAL PRO PRO HIS CYS LYS SEQRES 4 A 231 PRO TYR ILE ASP LYS ILE LEU LEU PRO GLY GLY LEU VAL SEQRES 5 A 231 LYS ASP ARG VAL GLU LYS LEU ALA TYR ASP ILE HIS ARG SEQRES 6 A 231 THR TYR PHE GLY GLU GLU LEU HIS ILE ILE CYS ILE LEU SEQRES 7 A 231 LYS GLY SER ARG GLY PHE PHE ASN LEU LEU ILE ASP TYR SEQRES 8 A 231 LEU ALA THR ILE GLN LYS TYR SER GLY ARG GLU SER SER SEQRES 9 A 231 VAL PRO PRO PHE PHE GLU HIS TYR VAL ARG LEU LYS SER SEQRES 10 A 231 TYR GLN ASN ASP ASN SER THR GLY GLN LEU THR VAL LEU SEQRES 11 A 231 SER ASP ASP LEU SER ILE PHE ARG ASP LYS HIS VAL LEU SEQRES 12 A 231 ILE VAL GLU ASP ILE VAL ASP THR GLY PHE THR LEU THR SEQRES 13 A 231 GLU PHE GLY GLU ARG LEU LYS ALA VAL GLY PRO LYS SER SEQRES 14 A 231 MET ARG ILE ALA THR LEU VAL GLU LYS ARG THR ASP ARG SEQRES 15 A 231 SER ASN SER LEU LYS GLY ASP PHE VAL GLY PHE SER ILE SEQRES 16 A 231 GLU ASP VAL TRP ILE VAL GLY CYS CYS TYR ASP PHE ASN SEQRES 17 A 231 GLU MET PHE ARG ASP PHE ASP HIS VAL ALA VAL LEU SER SEQRES 18 A 231 ASP ALA ALA ARG LYS LYS PHE GLU LYS VAL SEQRES 1 B 231 MET ALA SER LYS PRO ILE GLU ASP TYR GLY LYS GLY LYS SEQRES 2 B 231 GLY ARG ILE GLU PRO MET TYR ILE PRO ASP ASN THR PHE SEQRES 3 B 231 TYR ASN ALA ASP ASP PHE LEU VAL PRO PRO HIS CYS LYS SEQRES 4 B 231 PRO TYR ILE ASP LYS ILE LEU LEU PRO GLY GLY LEU VAL SEQRES 5 B 231 LYS ASP ARG VAL GLU LYS LEU ALA TYR ASP ILE HIS ARG SEQRES 6 B 231 THR TYR PHE GLY GLU GLU LEU HIS ILE ILE CYS ILE LEU SEQRES 7 B 231 LYS GLY SER ARG GLY PHE PHE ASN LEU LEU ILE ASP TYR SEQRES 8 B 231 LEU ALA THR ILE GLN LYS TYR SER GLY ARG GLU SER SER SEQRES 9 B 231 VAL PRO PRO PHE PHE GLU HIS TYR VAL ARG LEU LYS SER SEQRES 10 B 231 TYR GLN ASN ASP ASN SER THR GLY GLN LEU THR VAL LEU SEQRES 11 B 231 SER ASP ASP LEU SER ILE PHE ARG ASP LYS HIS VAL LEU SEQRES 12 B 231 ILE VAL GLU ASP ILE VAL ASP THR GLY PHE THR LEU THR SEQRES 13 B 231 GLU PHE GLY GLU ARG LEU LYS ALA VAL GLY PRO LYS SER SEQRES 14 B 231 MET ARG ILE ALA THR LEU VAL GLU LYS ARG THR ASP ARG SEQRES 15 B 231 SER ASN SER LEU LYS GLY ASP PHE VAL GLY PHE SER ILE SEQRES 16 B 231 GLU ASP VAL TRP ILE VAL GLY CYS CYS TYR ASP PHE ASN SEQRES 17 B 231 GLU MET PHE ARG ASP PHE ASP HIS VAL ALA VAL LEU SER SEQRES 18 B 231 ASP ALA ALA ARG LYS LYS PHE GLU LYS VAL SEQRES 1 C 231 MET ALA SER LYS PRO ILE GLU ASP TYR GLY LYS GLY LYS SEQRES 2 C 231 GLY ARG ILE GLU PRO MET TYR ILE PRO ASP ASN THR PHE SEQRES 3 C 231 TYR ASN ALA ASP ASP PHE LEU VAL PRO PRO HIS CYS LYS SEQRES 4 C 231 PRO TYR ILE ASP LYS ILE LEU LEU PRO GLY GLY LEU VAL SEQRES 5 C 231 LYS ASP ARG VAL GLU LYS LEU ALA TYR ASP ILE HIS ARG SEQRES 6 C 231 THR TYR PHE GLY GLU GLU LEU HIS ILE ILE CYS ILE LEU SEQRES 7 C 231 LYS GLY SER ARG GLY PHE PHE ASN LEU LEU ILE ASP TYR SEQRES 8 C 231 LEU ALA THR ILE GLN LYS TYR SER GLY ARG GLU SER SER SEQRES 9 C 231 VAL PRO PRO PHE PHE GLU HIS TYR VAL ARG LEU LYS SER SEQRES 10 C 231 TYR GLN ASN ASP ASN SER THR GLY GLN LEU THR VAL LEU SEQRES 11 C 231 SER ASP ASP LEU SER ILE PHE ARG ASP LYS HIS VAL LEU SEQRES 12 C 231 ILE VAL GLU ASP ILE VAL ASP THR GLY PHE THR LEU THR SEQRES 13 C 231 GLU PHE GLY GLU ARG LEU LYS ALA VAL GLY PRO LYS SER SEQRES 14 C 231 MET ARG ILE ALA THR LEU VAL GLU LYS ARG THR ASP ARG SEQRES 15 C 231 SER ASN SER LEU LYS GLY ASP PHE VAL GLY PHE SER ILE SEQRES 16 C 231 GLU ASP VAL TRP ILE VAL GLY CYS CYS TYR ASP PHE ASN SEQRES 17 C 231 GLU MET PHE ARG ASP PHE ASP HIS VAL ALA VAL LEU SER SEQRES 18 C 231 ASP ALA ALA ARG LYS LYS PHE GLU LYS VAL SEQRES 1 D 231 MET ALA SER LYS PRO ILE GLU ASP TYR GLY LYS GLY LYS SEQRES 2 D 231 GLY ARG ILE GLU PRO MET TYR ILE PRO ASP ASN THR PHE SEQRES 3 D 231 TYR ASN ALA ASP ASP PHE LEU VAL PRO PRO HIS CYS LYS SEQRES 4 D 231 PRO TYR ILE ASP LYS ILE LEU LEU PRO GLY GLY LEU VAL SEQRES 5 D 231 LYS ASP ARG VAL GLU LYS LEU ALA TYR ASP ILE HIS ARG SEQRES 6 D 231 THR TYR PHE GLY GLU GLU LEU HIS ILE ILE CYS ILE LEU SEQRES 7 D 231 LYS GLY SER ARG GLY PHE PHE ASN LEU LEU ILE ASP TYR SEQRES 8 D 231 LEU ALA THR ILE GLN LYS TYR SER GLY ARG GLU SER SER SEQRES 9 D 231 VAL PRO PRO PHE PHE GLU HIS TYR VAL ARG LEU LYS SER SEQRES 10 D 231 TYR GLN ASN ASP ASN SER THR GLY GLN LEU THR VAL LEU SEQRES 11 D 231 SER ASP ASP LEU SER ILE PHE ARG ASP LYS HIS VAL LEU SEQRES 12 D 231 ILE VAL GLU ASP ILE VAL ASP THR GLY PHE THR LEU THR SEQRES 13 D 231 GLU PHE GLY GLU ARG LEU LYS ALA VAL GLY PRO LYS SER SEQRES 14 D 231 MET ARG ILE ALA THR LEU VAL GLU LYS ARG THR ASP ARG SEQRES 15 D 231 SER ASN SER LEU LYS GLY ASP PHE VAL GLY PHE SER ILE SEQRES 16 D 231 GLU ASP VAL TRP ILE VAL GLY CYS CYS TYR ASP PHE ASN SEQRES 17 D 231 GLU MET PHE ARG ASP PHE ASP HIS VAL ALA VAL LEU SER SEQRES 18 D 231 ASP ALA ALA ARG LYS LYS PHE GLU LYS VAL HET MG A 232 1 HET MG B 232 1 HET MG C 232 1 HET MG D 232 1 HETNAM MG MAGNESIUM ION FORMUL 5 MG 4(MG 2+) FORMUL 9 HOH *387(H2 O) HELIX 1 21 ALA A 29 ASP A 31 5 3 HELIX 2 22 PRO A 36 TYR A 41 1 6 HELIX 3 23 GLY A 49 TYR A 67 1 19 HELIX 4 24 GLY A 80 TYR A 98 5 19 HELIX 5 25 LEU A 134 PHE A 137 5 4 HELIX 6 26 PHE A 153 VAL A 165 1 13 HELIX 7 27 ASP A 222 LYS A 227 1 6 HELIX 8 14 ALA B 29 ASP B 31 5 3 HELIX 9 15 PRO B 36 CYS B 38 5 3 HELIX 10 16 GLY B 49 TYR B 67 1 19 HELIX 11 17 ARG B 82 LYS B 97 1 16 HELIX 12 18 SER B 135 PHE B 137 5 3 HELIX 13 19 PHE B 153 VAL B 165 1 13 HELIX 14 20 ASP B 222 LYS B 227 1 6 HELIX 15 8 ALA C 29 ASP C 31 5 3 HELIX 16 9 PRO C 36 CYS C 38 5 3 HELIX 17 10 GLY C 49 TYR C 67 1 19 HELIX 18 11 ARG C 82 TYR C 98 1 17 HELIX 19 12 LEU C 155 VAL C 165 1 11 HELIX 20 13 ASP C 222 PHE C 228 1 7 HELIX 21 1 ALA D 29 ASP D 31 5 3 HELIX 22 2 PRO D 36 TYR D 41 1 6 HELIX 23 3 GLY D 49 THR D 66 1 18 HELIX 24 4 GLY D 80 TYR D 98 5 19 HELIX 25 5 LEU D 134 PHE D 137 5 4 HELIX 26 6 PHE D 153 VAL D 165 1 13 HELIX 27 7 ASP D 222 LYS D 227 1 6 SHEET 1 A 4 PHE D 109 VAL D 113 0 SHEET 2 A 4 LEU D 72 ILE D 77 1 N ILE D 74 O PHE D 109 SHEET 3 A 4 HIS D 141 GLU D 146 1 N HIS D 141 O HIS D 73 SHEET 4 A 4 SER D 169 THR D 174 1 N SER D 169 O VAL D 142 SHEET 1 B 2 VAL D 176 ARG D 179 0 SHEET 2 B 2 PHE D 193 GLU D 196 1 N PHE D 193 O GLU D 177 SHEET 1 C 4 PHE C 109 VAL C 113 0 SHEET 2 C 4 HIS C 73 ILE C 77 1 N ILE C 74 O PHE C 109 SHEET 3 C 4 HIS C 141 GLU C 146 1 N LEU C 143 O HIS C 73 SHEET 4 C 4 SER C 169 THR C 174 1 N SER C 169 O VAL C 142 SHEET 1 D 2 VAL C 176 LYS C 178 0 SHEET 2 D 2 PHE C 193 ILE C 195 1 N PHE C 193 O GLU C 177 SHEET 1 E 4 PHE B 109 VAL B 113 0 SHEET 2 E 4 LEU B 72 ILE B 77 1 N ILE B 74 O PHE B 109 SHEET 3 E 4 HIS B 141 GLU B 146 1 N HIS B 141 O HIS B 73 SHEET 4 E 4 SER B 169 THR B 174 1 N SER B 169 O VAL B 142 SHEET 1 F 2 VAL B 176 LYS B 178 0 SHEET 2 F 2 PHE B 193 ILE B 195 1 N PHE B 193 O GLU B 177 SHEET 1 G 4 PHE A 109 ARG A 114 0 SHEET 2 G 4 HIS A 73 LEU A 78 1 N ILE A 74 O PHE A 109 SHEET 3 G 4 HIS A 141 GLU A 146 1 N LEU A 143 O HIS A 73 SHEET 4 G 4 SER A 169 THR A 174 1 N SER A 169 O VAL A 142 SHEET 1 H 2 VAL A 176 ARG A 179 0 SHEET 2 H 2 PHE A 193 GLU A 196 1 N PHE A 193 O GLU A 177 SHEET 1 I 2 LYS D 44 LEU D 47 0 SHEET 2 I 2 VAL D 217 VAL D 219 -1 N VAL D 219 O LYS D 44 SHEET 1 J 2 LYS C 44 LEU C 47 0 SHEET 2 J 2 VAL C 217 VAL C 219 -1 N VAL C 219 O LYS C 44 LINK OE1 GLU A 146 MG MG A 232 1555 1555 2.67 LINK OD1 ASP A 147 MG MG A 232 1555 1555 2.81 LINK MG MG A 232 O HOH A 323 1555 1555 2.75 LINK OE1 GLU B 146 MG MG B 232 1555 1555 2.22 LINK OD1 ASP B 147 MG MG B 232 1555 1555 2.47 LINK OE1 GLU C 146 MG MG C 232 1555 1555 3.12 LINK OD1 ASP C 147 MG MG C 232 1555 1555 2.72 LINK OE1 GLU D 146 MG MG D 232 1555 1555 1.98 LINK OE2 GLU D 146 MG MG D 232 1555 1555 2.66 LINK OD1 ASP D 147 MG MG D 232 1555 1555 2.54 SITE 1 AC1 4 GLU A 146 ASP A 147 ILE A 148 HOH A 323 SITE 1 AC2 2 GLU B 146 ASP B 147 SITE 1 AC3 2 GLU C 146 ASP C 147 SITE 1 AC4 2 GLU D 146 ASP D 147 CRYST1 65.150 109.220 79.740 90.00 111.80 90.00 P 1 21 1 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 0.015349 0.000000 0.006139 0.00000 SCALE2 0.000000 0.009156 0.000000 0.00000 SCALE3 0.000000 0.000000 0.013507 0.00000