HEADER RNA 14-JUL-06 2HOM TITLE CRYSTAL STRUCTURE OF AN E. COLI THI-BOX RIBOSWITCH BOUND TO THIAMINE TITLE 2 MONOPHOSPHATE COMPND MOL_ID: 1; COMPND 2 MOLECULE: THI-BOX RIBOSWITCH; COMPND 3 CHAIN: A; COMPND 4 ENGINEERED: YES SOURCE MOL_ID: 1; SOURCE 2 SYNTHETIC: YES; SOURCE 3 OTHER_DETAILS: IN VITRO T7 RNA POLYMERASE WITH 5'CIS-HAMMERHEAD SOURCE 4 RIBOZYME AND 5'-TRANS VS RIBOZYME KEYWDS RNA; RIBOSWITCH, RNA EXPDTA X-RAY DIFFRACTION AUTHOR T.E.EDWARDS,A.R.FERRE-D'AMARE REVDAT 3 14-FEB-24 2HOM 1 REMARK LINK REVDAT 2 24-FEB-09 2HOM 1 VERSN REVDAT 1 19-SEP-06 2HOM 0 JRNL AUTH T.E.EDWARDS,A.R.FERRE-D'AMARE JRNL TITL CRYSTAL STRUCTURES OF THE THI-BOX RIBOSWITCH BOUND TO JRNL TITL 2 THIAMINE PYROPHOSPHATE ANALOGS REVEAL ADAPTIVE RNA-SMALL JRNL TITL 3 MOLECULE RECOGNITION JRNL REF STRUCTURE V. 14 1459 2006 JRNL REFN ISSN 0969-2126 JRNL PMID 16962976 JRNL DOI 10.1016/J.STR.2006.07.008 REMARK 2 REMARK 2 RESOLUTION. 2.89 ANGSTROMS. REMARK 3 REMARK 3 REFINEMENT. REMARK 3 PROGRAM : CNS REMARK 3 AUTHORS : BRUNGER,ADAMS,CLORE,DELANO,GROS,GROSSE- REMARK 3 : KUNSTLEVE,JIANG,KUSZEWSKI,NILGES,PANNU, REMARK 3 : READ,RICE,SIMONSON,WARREN REMARK 3 REMARK 3 REFINEMENT TARGET : ENGH & HUBER REMARK 3 REMARK 3 DATA USED IN REFINEMENT. REMARK 3 RESOLUTION RANGE HIGH (ANGSTROMS) : 2.89 REMARK 3 RESOLUTION RANGE LOW (ANGSTROMS) : 30.00 REMARK 3 DATA CUTOFF (SIGMA(F)) : 0.000 REMARK 3 DATA CUTOFF HIGH (ABS(F)) : NULL REMARK 3 DATA CUTOFF LOW (ABS(F)) : NULL REMARK 3 COMPLETENESS (WORKING+TEST) (%) : 87.0 REMARK 3 NUMBER OF REFLECTIONS : 5263 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 SET) : 0.203 REMARK 3 FREE R VALUE : 0.266 REMARK 3 FREE R VALUE TEST SET SIZE (%) : NULL REMARK 3 FREE R VALUE TEST SET COUNT : 553 REMARK 3 ESTIMATED ERROR OF FREE R VALUE : NULL REMARK 3 REMARK 3 FIT IN THE HIGHEST RESOLUTION BIN. REMARK 3 TOTAL NUMBER OF BINS USED : NULL REMARK 3 BIN RESOLUTION RANGE HIGH (A) : NULL REMARK 3 BIN RESOLUTION RANGE LOW (A) : NULL REMARK 3 BIN COMPLETENESS (WORKING+TEST) (%) : NULL REMARK 3 REFLECTIONS IN BIN (WORKING SET) : NULL REMARK 3 BIN R VALUE (WORKING SET) : NULL REMARK 3 BIN FREE R VALUE : NULL REMARK 3 BIN FREE R VALUE TEST SET SIZE (%) : NULL REMARK 3 BIN FREE R VALUE TEST SET COUNT : NULL REMARK 3 ESTIMATED ERROR OF BIN FREE R VALUE : NULL REMARK 3 REMARK 3 NUMBER OF NON-HYDROGEN ATOMS USED IN REFINEMENT. REMARK 3 PROTEIN ATOMS : 0 REMARK 3 NUCLEIC ACID ATOMS : 1681 REMARK 3 HETEROGEN ATOMS : 28 REMARK 3 SOLVENT ATOMS : 5 REMARK 3 REMARK 3 B VALUES. REMARK 3 FROM WILSON PLOT (A**2) : NULL REMARK 3 MEAN B VALUE (OVERALL, A**2) : 79.10 REMARK 3 OVERALL ANISOTROPIC B VALUE. REMARK 3 B11 (A**2) : NULL REMARK 3 B22 (A**2) : NULL REMARK 3 B33 (A**2) : NULL REMARK 3 B12 (A**2) : NULL REMARK 3 B13 (A**2) : NULL REMARK 3 B23 (A**2) : NULL REMARK 3 REMARK 3 ESTIMATED COORDINATE ERROR. REMARK 3 ESD FROM LUZZATI PLOT (A) : 0.38 REMARK 3 ESD FROM SIGMAA (A) : 0.57 REMARK 3 LOW RESOLUTION CUTOFF (A) : 5.00 REMARK 3 REMARK 3 CROSS-VALIDATED ESTIMATED COORDINATE ERROR. REMARK 3 ESD FROM C-V LUZZATI PLOT (A) : 0.50 REMARK 3 ESD FROM C-V SIGMAA (A) : 0.53 REMARK 3 REMARK 3 RMS DEVIATIONS FROM IDEAL VALUES. REMARK 3 BOND LENGTHS (A) : 0.006 REMARK 3 BOND ANGLES (DEGREES) : 1.280 REMARK 3 DIHEDRAL ANGLES (DEGREES) : NULL REMARK 3 IMPROPER ANGLES (DEGREES) : NULL REMARK 3 REMARK 3 ISOTROPIC THERMAL MODEL : NULL REMARK 3 REMARK 3 ISOTROPIC THERMAL FACTOR RESTRAINTS. RMS SIGMA REMARK 3 MAIN-CHAIN BOND (A**2) : NULL ; NULL REMARK 3 MAIN-CHAIN ANGLE (A**2) : NULL ; NULL REMARK 3 SIDE-CHAIN BOND (A**2) : NULL ; NULL REMARK 3 SIDE-CHAIN ANGLE (A**2) : NULL ; 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 NCS MODEL : NULL REMARK 3 REMARK 3 NCS RESTRAINTS. RMS SIGMA/WEIGHT REMARK 3 GROUP 1 POSITIONAL (A) : NULL ; NULL REMARK 3 GROUP 1 B-FACTOR (A**2) : NULL ; NULL REMARK 3 REMARK 3 PARAMETER FILE 1 : NULL REMARK 3 TOPOLOGY FILE 1 : NULL REMARK 3 REMARK 3 OTHER REFINEMENT REMARKS: NULL REMARK 4 REMARK 4 2HOM COMPLIES WITH FORMAT V. 3.30, 13-JUL-11 REMARK 100 REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY RCSB ON 20-JUL-06. REMARK 100 THE DEPOSITION ID IS D_1000038582. REMARK 200 REMARK 200 EXPERIMENTAL DETAILS REMARK 200 EXPERIMENT TYPE : X-RAY DIFFRACTION REMARK 200 DATE OF DATA COLLECTION : 10-JUL-05 REMARK 200 TEMPERATURE (KELVIN) : 100 REMARK 200 PH : 7.0 REMARK 200 NUMBER OF CRYSTALS USED : 1 REMARK 200 REMARK 200 SYNCHROTRON (Y/N) : Y REMARK 200 RADIATION SOURCE : ALS REMARK 200 BEAMLINE : 8.2.2 REMARK 200 X-RAY GENERATOR MODEL : NULL REMARK 200 MONOCHROMATIC OR LAUE (M/L) : M REMARK 200 WAVELENGTH OR RANGE (A) : 0.95 REMARK 200 MONOCHROMATOR : NULL REMARK 200 OPTICS : NULL REMARK 200 REMARK 200 DETECTOR TYPE : CCD REMARK 200 DETECTOR MANUFACTURER : NULL REMARK 200 INTENSITY-INTEGRATION SOFTWARE : DENZO REMARK 200 DATA SCALING SOFTWARE : SCALEPACK REMARK 200 REMARK 200 NUMBER OF UNIQUE REFLECTIONS : 5263 REMARK 200 RESOLUTION RANGE HIGH (A) : 2.890 REMARK 200 RESOLUTION RANGE LOW (A) : 30.000 REMARK 200 REJECTION CRITERIA (SIGMA(I)) : NULL REMARK 200 REMARK 200 OVERALL. REMARK 200 COMPLETENESS FOR RANGE (%) : 92.6 REMARK 200 DATA REDUNDANCY : 5.400 REMARK 200 R MERGE (I) : 0.12400 REMARK 200 R SYM (I) : NULL REMARK 200 FOR THE DATA SET : 16.4000 REMARK 200 REMARK 200 IN THE HIGHEST RESOLUTION SHELL. REMARK 200 HIGHEST RESOLUTION SHELL, RANGE HIGH (A) : 2.89 REMARK 200 HIGHEST RESOLUTION SHELL, RANGE LOW (A) : 2.95 REMARK 200 COMPLETENESS FOR SHELL (%) : 52.6 REMARK 200 DATA REDUNDANCY IN SHELL : 2.60 REMARK 200 R MERGE FOR SHELL (I) : 0.39000 REMARK 200 R SYM FOR SHELL (I) : NULL REMARK 200 FOR SHELL : 2.100 REMARK 200 REMARK 200 DIFFRACTION PROTOCOL: SINGLE WAVELENGTH REMARK 200 METHOD USED TO DETERMINE THE STRUCTURE: MOLECULAR REPLACEMENT REMARK 200 SOFTWARE USED: CNS REMARK 200 STARTING MODEL: NULL REMARK 200 REMARK 200 REMARK: NULL REMARK 280 REMARK 280 CRYSTAL REMARK 280 SOLVENT CONTENT, VS (%): 47.98 REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 2.36 REMARK 280 REMARK 280 CRYSTALLIZATION CONDITIONS: GROWTH: 29% PEG 2000, 15 MM CACL2, 0.2 REMARK 280 M NH4CL, 50 MM SUCCINATE PH 7; 0.25 MM TMP, 0.25 MM SPERMINE, REMARK 280 1.5 MM MGCL2, 50 MM KCL; CRYO: ABOVE WITH 15% W/V SUCROSE; 500 X REMARK 280 70 X 70 UM CRYSTAL, PH 7.0, VAPOR DIFFUSION, SITTING DROP, REMARK 280 TEMPERATURE 295K REMARK 290 REMARK 290 CRYSTALLOGRAPHIC SYMMETRY REMARK 290 SYMMETRY OPERATORS FOR SPACE GROUP: P 32 1 2 REMARK 290 REMARK 290 SYMOP SYMMETRY REMARK 290 NNNMMM OPERATOR REMARK 290 1555 X,Y,Z REMARK 290 2555 -Y,X-Y,Z+2/3 REMARK 290 3555 -X+Y,-X,Z+1/3 REMARK 290 4555 -Y,-X,-Z+1/3 REMARK 290 5555 -X+Y,Y,-Z+2/3 REMARK 290 6555 X,X-Y,-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 67.80000 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 33.90000 REMARK 290 SMTRY1 4 0.500000 -0.866025 0.000000 0.00000 REMARK 290 SMTRY2 4 -0.866025 -0.500000 0.000000 0.00000 REMARK 290 SMTRY3 4 0.000000 0.000000 -1.000000 33.90000 REMARK 290 SMTRY1 5 -1.000000 0.000000 0.000000 0.00000 REMARK 290 SMTRY2 5 0.000000 1.000000 0.000000 0.00000 REMARK 290 SMTRY3 5 0.000000 0.000000 -1.000000 67.80000 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 300 REMARK: THE BIOLOGICAL ASSEMBLY IS A MONOMER 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: MONOMERIC 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 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 U A 26 REMARK 465 C A 27 REMARK 465 U A 28 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 U A 46 N1 C2 O2 N3 C4 O4 C5 REMARK 470 U A 46 C6 REMARK 470 U A 54 N1 C2 O2 N3 C4 O4 C5 REMARK 470 U A 54 C6 REMARK 470 C A 55 N1 C2 O2 N3 C4 N4 C5 REMARK 470 C A 55 C6 REMARK 470 U A 79 N1 C2 O2 N3 C4 O4 C5 REMARK 470 U A 79 C6 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 A A 85 C6 A A 85 N6 -0.101 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 U A 20 C4' - C3' - O3' ANGL. DEV. = 12.8 DEGREES REMARK 500 U A 20 C4' - C3' - C2' ANGL. DEV. = 7.1 DEGREES REMARK 500 A A 44 C2' - C3' - O3' ANGL. DEV. = 13.3 DEGREES REMARK 500 G A 78 C2' - C3' - O3' ANGL. DEV. = 11.6 DEGREES REMARK 500 A A 85 C6 - N1 - C2 ANGL. DEV. = 6.5 DEGREES REMARK 500 A A 85 N1 - C2 - N3 ANGL. DEV. = -5.0 DEGREES REMARK 500 A A 85 C5 - C6 - N1 ANGL. DEV. = -6.3 DEGREES REMARK 500 A A 85 C5 - C6 - N6 ANGL. DEV. = 5.4 DEGREES 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 98 MG REMARK 620 N RES CSSEQI ATOM REMARK 620 1 G A 60 O6 REMARK 620 2 G A 78 O6 69.2 REMARK 620 3 G A 78 N1 117.8 48.6 REMARK 620 4 HOH A 96 O 67.5 89.8 108.3 REMARK 620 5 TPS A 97 O2 167.0 98.1 49.5 116.8 REMARK 620 6 TPS A 97 O3 135.0 129.7 92.4 71.9 55.3 REMARK 620 N 1 2 3 4 5 REMARK 620 REMARK 620 COORDINATION ANGLES FOR: M RES CSSEQI METAL REMARK 620 MG A 103 MG REMARK 620 N RES CSSEQI ATOM REMARK 620 1 U A 62 O2' REMARK 620 2 U A 62 O3' 59.3 REMARK 620 3 C A 63 O5' 82.0 50.2 REMARK 620 4 U A 64 OP1 161.4 112.7 106.1 REMARK 620 N 1 2 3 REMARK 620 REMARK 620 COORDINATION ANGLES FOR: M RES CSSEQI METAL REMARK 620 CA A 100 CA REMARK 620 N RES CSSEQI ATOM REMARK 620 1 C A 63 OP1 REMARK 620 2 U A 64 OP2 80.6 REMARK 620 3 U A 64 OP1 103.0 87.9 REMARK 620 N 1 2 REMARK 620 REMARK 620 COORDINATION ANGLES FOR: M RES CSSEQI METAL REMARK 620 CA A 102 CA REMARK 620 N RES CSSEQI ATOM REMARK 620 1 A A 69 OP1 REMARK 620 2 A A 91 O3' 107.7 REMARK 620 N 1 REMARK 620 REMARK 620 COORDINATION ANGLES FOR: M RES CSSEQI METAL REMARK 620 MG A 101 MG REMARK 620 N RES CSSEQI ATOM REMARK 620 1 HOH A 92 O REMARK 620 2 HOH A 93 O 64.4 REMARK 620 3 HOH A 94 O 72.6 59.1 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 98 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC2 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE MG A 99 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC3 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE CA A 100 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC4 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE MG A 101 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC5 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE CA A 102 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC6 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE MG A 103 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC7 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE TPS A 97 REMARK 900 REMARK 900 RELATED ENTRIES REMARK 900 RELATED ID: 2HOJ RELATED DB: PDB REMARK 900 MN, 2.5 ANG RESOLUTION, TPP REMARK 900 RELATED ID: 2HOK RELATED DB: PDB REMARK 900 CA, 3.2 ANG RESOLUTION, TPP REMARK 900 RELATED ID: 2HOL RELATED DB: PDB REMARK 900 BA, 2.9 ANG RESOLUTION, TPP REMARK 900 RELATED ID: 2HOO RELATED DB: PDB REMARK 900 3.0 ANG RESOLUTION, BZTP (BENFOTIAMINE) REMARK 900 RELATED ID: 2HOP RELATED DB: PDB REMARK 900 2.5 ANG RESOLUTION, PYRITHIAMINE DBREF 2HOM A 9 91 PDB 2HOM 2HOM 9 91 SEQRES 1 A 83 G C G A C U C G G G G U G SEQRES 2 A 83 C C C U U C U G C G U G A SEQRES 3 A 83 A G G C U G A G A A A U A SEQRES 4 A 83 C C C G U A U C A C C U G SEQRES 5 A 83 A U C U G G A U A A U G C SEQRES 6 A 83 C A G C G U A G G G A A G SEQRES 7 A 83 U C G C A HET MG A 98 1 HET MG A 99 1 HET CA A 100 1 HET MG A 101 1 HET CA A 102 1 HET MG A 103 1 HET TPS A 97 22 HETNAM MG MAGNESIUM ION HETNAM CA CALCIUM ION HETNAM TPS THIAMIN PHOSPHATE FORMUL 2 MG 4(MG 2+) FORMUL 4 CA 2(CA 2+) FORMUL 8 TPS C12 H18 N4 O4 P S 1+ FORMUL 9 HOH *5(H2 O) LINK O6 G A 60 MG MG A 98 1555 1555 2.51 LINK O2' U A 62 MG MG A 103 1555 1555 2.52 LINK O3' U A 62 MG MG A 103 1555 1555 3.03 LINK OP1 C A 63 CA CA A 100 1555 1555 2.21 LINK O5' C A 63 MG MG A 103 1555 1555 2.83 LINK OP2 U A 64 CA CA A 100 1555 1555 2.31 LINK OP1 U A 64 CA CA A 100 5656 1555 2.37 LINK OP1 U A 64 MG MG A 103 5656 1555 2.82 LINK OP1 A A 69 CA CA A 102 1555 1555 2.34 LINK O6 G A 78 MG MG A 98 1555 1555 2.21 LINK N1 G A 78 MG MG A 98 1555 1555 3.01 LINK O3' A A 91 CA CA A 102 6566 1555 3.16 LINK O HOH A 92 MG MG A 101 1555 1555 2.37 LINK O HOH A 93 MG MG A 101 1555 1555 2.90 LINK O HOH A 94 MG MG A 101 1555 1555 2.73 LINK O HOH A 96 MG MG A 98 1555 1555 2.34 LINK O2 TPS A 97 MG MG A 98 1555 1555 2.82 LINK O3 TPS A 97 MG MG A 98 1555 1555 2.52 LINK O1 TPS A 97 MG MG A 99 1555 1555 2.93 SITE 1 AC1 4 G A 60 G A 78 HOH A 96 TPS A 97 SITE 1 AC2 2 C A 77 TPS A 97 SITE 1 AC3 2 C A 63 U A 64 SITE 1 AC4 4 G A 40 HOH A 92 HOH A 93 HOH A 94 SITE 1 AC5 2 A A 69 A A 91 SITE 1 AC6 3 U A 62 C A 63 U A 64 SITE 1 AC7 12 G A 19 U A 20 G A 40 G A 42 SITE 2 AC7 12 A A 43 C A 57 G A 72 C A 77 SITE 3 AC7 12 G A 78 HOH A 96 MG A 98 MG A 99 CRYST1 65.700 65.700 101.700 90.00 90.00 120.00 P 32 1 2 6 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 0.015221 0.008788 0.000000 0.00000 SCALE2 0.000000 0.017575 0.000000 0.00000 SCALE3 0.000000 0.000000 0.009833 0.00000