HEADER RNA 26-JUN-12 4FRG TITLE CRYSTAL STRUCTURE OF THE COBALAMIN RIBOSWITCH APTAMER DOMAIN COMPND MOL_ID: 1; COMPND 2 MOLECULE: COBALAMIN RIBOSWITCH APTAMER DOMAIN; COMPND 3 CHAIN: B, X; COMPND 4 ENGINEERED: YES SOURCE MOL_ID: 1; SOURCE 2 SYNTHETIC: YES; SOURCE 3 ORGANISM_SCIENTIFIC: MARINE METAGENOME; SOURCE 4 ORGANISM_TAXID: 408172; SOURCE 5 OTHER_DETAILS: RNA WAS TRANSCRIBED VIA IN VITRO T7 RNA POLYMERASE KEYWDS COBALAMIN, RIBOSWITCH, B12, RNA EXPDTA X-RAY DIFFRACTION AUTHOR F.E.REYES,J.E.JOHNSON,J.T.POLASKI,R.T.BATEY REVDAT 3 28-FEB-24 4FRG 1 REMARK REVDAT 2 26-DEC-12 4FRG 1 JRNL REVDAT 1 17-OCT-12 4FRG 0 JRNL AUTH J.E.JOHNSON,F.E.REYES,J.T.POLASKI,R.T.BATEY JRNL TITL B12 COFACTORS DIRECTLY STABILIZE AN MRNA REGULATORY SWITCH. JRNL REF NATURE V. 492 133 2012 JRNL REFN ISSN 0028-0836 JRNL PMID 23064232 JRNL DOI 10.1038/NATURE11607 REMARK 2 REMARK 2 RESOLUTION. 2.95 ANGSTROMS. REMARK 3 REMARK 3 REFINEMENT. REMARK 3 PROGRAM : BUSTER-TNT REMARK 3 AUTHORS : BRICOGNE,BLANC,BRANDL,FLENSBURG,KELLER, REMARK 3 : PACIOREK,ROVERSI,SMART,VONRHEIN,WOMACK, REMARK 3 : MATTHEWS,TEN EYCK,TRONRUD REMARK 3 REMARK 3 DATA USED IN REFINEMENT. REMARK 3 RESOLUTION RANGE HIGH (ANGSTROMS) : 2.95 REMARK 3 RESOLUTION RANGE LOW (ANGSTROMS) : 43.06 REMARK 3 DATA CUTOFF (SIGMA(F)) : 0.000 REMARK 3 COMPLETENESS FOR RANGE (%) : 99.9 REMARK 3 NUMBER OF REFLECTIONS : 17822 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) : 0.240 REMARK 3 R VALUE (WORKING SET) : 0.239 REMARK 3 FREE R VALUE : 0.249 REMARK 3 FREE R VALUE TEST SET SIZE (%) : 5.110 REMARK 3 FREE R VALUE TEST SET COUNT : 910 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 : 9 REMARK 3 BIN RESOLUTION RANGE HIGH (ANGSTROMS) : 2.95 REMARK 3 BIN RESOLUTION RANGE LOW (ANGSTROMS) : 3.13 REMARK 3 BIN COMPLETENESS (WORKING+TEST) (%) : 99.92 REMARK 3 REFLECTIONS IN BIN (WORKING + TEST SET) : 2815 REMARK 3 BIN R VALUE (WORKING + TEST SET) : 0.2549 REMARK 3 REFLECTIONS IN BIN (WORKING SET) : 2662 REMARK 3 BIN R VALUE (WORKING SET) : 0.2527 REMARK 3 BIN FREE R VALUE : 0.2928 REMARK 3 BIN FREE R VALUE TEST SET SIZE (%) : 5.44 REMARK 3 BIN FREE R VALUE TEST SET COUNT : 153 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 : 3600 REMARK 3 HETEROGEN ATOMS : 217 REMARK 3 SOLVENT ATOMS : 0 REMARK 3 REMARK 3 B VALUES. REMARK 3 FROM WILSON PLOT (A**2) : NULL REMARK 3 MEAN B VALUE (OVERALL, A**2) : 103.2 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) : 0.784 REMARK 3 DPI (BLOW EQ-10) BASED ON R VALUE (A) : NULL REMARK 3 DPI (BLOW EQ-9) BASED ON FREE R VALUE (A) : NULL REMARK 3 DPI (CRUICKSHANK) BASED ON R VALUE (A) : 0.840 REMARK 3 DPI (CRUICKSHANK) BASED ON FREE R VALUE (A) : NULL REMARK 3 REMARK 3 REFERENCES: BLOW, D. (2002) ACTA CRYST D58, 792-797 REMARK 3 CRUICKSHANK, D.W.J. (1999) ACTA CRYST D55, 583-601 REMARK 3 REMARK 3 CORRELATION COEFFICIENTS. REMARK 3 CORRELATION COEFFICIENT FO-FC : 0.901 REMARK 3 CORRELATION COEFFICIENT FO-FC FREE : 0.920 REMARK 3 REMARK 3 NUMBER OF GEOMETRIC FUNCTION TERMS DEFINED : 15 REMARK 3 TERM COUNT WEIGHT FUNCTION. REMARK 3 BOND LENGTHS : 4238 ; 2.000 ; HARMONIC REMARK 3 BOND ANGLES : 6636 ; 2.000 ; HARMONIC REMARK 3 TORSION ANGLES : 978 ; 2.000 ; SINUSOIDAL REMARK 3 TRIGONAL CARBON PLANES : NULL ; NULL ; NULL REMARK 3 GENERAL PLANES : 190 ; 5.000 ; HARMONIC REMARK 3 ISOTROPIC THERMAL FACTORS : 4238 ; 20.000 ; HARMONIC REMARK 3 BAD NON-BONDED CONTACTS : 0 ; 5.000 ; SEMIHARMONIC REMARK 3 IMPROPER TORSIONS : NULL ; NULL ; NULL REMARK 3 PSEUDOROTATION ANGLES : NULL ; NULL ; NULL REMARK 3 CHIRAL IMPROPER TORSION : 672 ; 5.000 ; SEMIHARMONIC REMARK 3 SUM OF OCCUPANCIES : NULL ; NULL ; NULL REMARK 3 UTILITY DISTANCES : NULL ; NULL ; NULL REMARK 3 UTILITY ANGLES : 2 ; 1.000 ; HARMONIC REMARK 3 UTILITY TORSION : 1680 ; 1.000 ; SINUSOIDAL REMARK 3 IDEAL-DIST CONTACT TERM : 3845 ; 4.000 ; SEMIHARMONIC REMARK 3 REMARK 3 RMS DEVIATIONS FROM IDEAL VALUES. REMARK 3 BOND LENGTHS (A) : 0.008 REMARK 3 BOND ANGLES (DEGREES) : 0.64 REMARK 3 PEPTIDE OMEGA TORSION ANGLES (DEGREES) : NULL REMARK 3 OTHER TORSION ANGLES (DEGREES) : 21.89 REMARK 3 REMARK 3 TLS DETAILS REMARK 3 NUMBER OF TLS GROUPS : 2 REMARK 3 REMARK 3 TLS GROUP : 1 REMARK 3 SELECTION: B 1 B 84 REMARK 3 ORIGIN FOR THE GROUP (A): 18.2198 -55.2862 23.2251 REMARK 3 T TENSOR REMARK 3 T11: -0.1175 T22: -0.0472 REMARK 3 T33: 0.0518 T12: -0.1679 REMARK 3 T13: -0.1840 T23: -0.0008 REMARK 3 L TENSOR REMARK 3 L11: 2.0319 L22: 3.6924 REMARK 3 L33: 3.1161 L12: 1.9000 REMARK 3 L13: -0.5923 L23: -1.3251 REMARK 3 S TENSOR REMARK 3 S11: -0.1339 S12: 0.0976 S13: -0.3779 REMARK 3 S21: -0.1489 S22: 0.0783 S23: -0.3643 REMARK 3 S31: -0.0525 S32: 0.1901 S33: 0.0556 REMARK 3 REMARK 3 TLS GROUP : 2 REMARK 3 SELECTION: X 1 X 84 REMARK 3 ORIGIN FOR THE GROUP (A): 37.3555 -23.8169 -14.9109 REMARK 3 T TENSOR REMARK 3 T11: 0.0086 T22: -0.0049 REMARK 3 T33: -0.1770 T12: 0.1418 REMARK 3 T13: 0.1147 T23: -0.1676 REMARK 3 L TENSOR REMARK 3 L11: 1.3269 L22: 2.6000 REMARK 3 L33: 5.7037 L12: -0.0927 REMARK 3 L13: 1.2008 L23: -1.1837 REMARK 3 S TENSOR REMARK 3 S11: 0.0469 S12: -0.0643 S13: -0.0450 REMARK 3 S21: 0.0960 S22: 0.0471 S23: 0.1781 REMARK 3 S31: 0.2062 S32: -0.5372 S33: -0.0941 REMARK 3 REMARK 3 OTHER REFINEMENT REMARKS: NULL REMARK 4 REMARK 4 4FRG COMPLIES WITH FORMAT V. 3.30, 13-JUL-11 REMARK 100 REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY RCSB ON 06-JUL-12. REMARK 100 THE DEPOSITION ID IS D_1000073262. REMARK 200 REMARK 200 EXPERIMENTAL DETAILS REMARK 200 EXPERIMENT TYPE : X-RAY DIFFRACTION REMARK 200 DATE OF DATA COLLECTION : 12-DEC-10; NULL REMARK 200 TEMPERATURE (KELVIN) : 100; NULL REMARK 200 PH : 7.0; 7.0 REMARK 200 NUMBER OF CRYSTALS USED : 1 REMARK 200 REMARK 200 SYNCHROTRON (Y/N) : Y; N REMARK 200 RADIATION SOURCE : ALS; NULL REMARK 200 BEAMLINE : 5.0.2; 5.0.2 REMARK 200 X-RAY GENERATOR MODEL : NULL; NULL REMARK 200 MONOCHROMATIC OR LAUE (M/L) : M; NULL REMARK 200 WAVELENGTH OR RANGE (A) : 1.1051, 1.6; NULL REMARK 200 MONOCHROMATOR : NULL; NULL REMARK 200 OPTICS : NULL; NULL REMARK 200 REMARK 200 DETECTOR TYPE : CCD; NULL REMARK 200 DETECTOR MANUFACTURER : ADSC QUANTUM 315; NULL REMARK 200 INTENSITY-INTEGRATION SOFTWARE : XDS REMARK 200 DATA SCALING SOFTWARE : SCALA 3.3.20 REMARK 200 REMARK 200 NUMBER OF UNIQUE REFLECTIONS : 17854 REMARK 200 RESOLUTION RANGE HIGH (A) : 2.950 REMARK 200 RESOLUTION RANGE LOW (A) : 137.899 REMARK 200 REJECTION CRITERIA (SIGMA(I)) : 0.000 REMARK 200 REMARK 200 OVERALL. REMARK 200 COMPLETENESS FOR RANGE (%) : 99.9 REMARK 200 DATA REDUNDANCY : 13.70 REMARK 200 R MERGE (I) : NULL REMARK 200 R SYM (I) : 0.09800 REMARK 200 <I/SIGMA(I)> FOR THE DATA SET : 20.6000 REMARK 200 REMARK 200 IN THE HIGHEST RESOLUTION SHELL. REMARK 200 HIGHEST RESOLUTION SHELL, RANGE HIGH (A) : 2.95 REMARK 200 HIGHEST RESOLUTION SHELL, RANGE LOW (A) : 3.11 REMARK 200 COMPLETENESS FOR SHELL (%) : 100.0 REMARK 200 DATA REDUNDANCY IN SHELL : 14.20 REMARK 200 R MERGE FOR SHELL (I) : 0.01400 REMARK 200 R SYM FOR SHELL (I) : 1.40600 REMARK 200 <I/SIGMA(I)> FOR SHELL : 0.500 REMARK 200 REMARK 200 DIFFRACTION PROTOCOL: MAD; NULL REMARK 200 METHOD USED TO DETERMINE THE STRUCTURE: MAD REMARK 200 SOFTWARE USED: SHARP, SOLOMON REMARK 200 STARTING MODEL: NULL REMARK 200 REMARK 200 REMARK: NULL REMARK 280 REMARK 280 CRYSTAL REMARK 280 SOLVENT CONTENT, VS (%): 66.50 REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 3.70 REMARK 280 REMARK 280 CRYSTALLIZATION CONDITIONS: 100 MM MAGNESIUM ACETATE, 10% 2-METHYL REMARK 280 -1,3-PROPANEDIOL, 5 MM IRIDIUM HEXAMMINE, PH 7.0, HANGING DROP, REMARK 280 TEMPERATURE 298K. 100 MM MAGNESIUM ACETATE, 10% 2-METHYL-1,3- REMARK 280 PROPANEDIOL, 5 MM IRIDIUM HEXAMMINE, PH 7.0, HANGING DROP, REMARK 280 TEMPERATURE 298K REMARK 290 REMARK 290 CRYSTALLOGRAPHIC SYMMETRY REMARK 290 SYMMETRY OPERATORS FOR SPACE GROUP: P 64 2 2 REMARK 290 REMARK 290 SYMOP SYMMETRY REMARK 290 NNNMMM OPERATOR REMARK 290 1555 X,Y,Z REMARK 290 2555 -Y,X-Y,Z+1/3 REMARK 290 3555 -X+Y,-X,Z+2/3 REMARK 290 4555 -X,-Y,Z REMARK 290 5555 Y,-X+Y,Z+1/3 REMARK 290 6555 X-Y,X,Z+2/3 REMARK 290 7555 Y,X,-Z+1/3 REMARK 290 8555 X-Y,-Y,-Z REMARK 290 9555 -X,-X+Y,-Z+2/3 REMARK 290 10555 -Y,-X,-Z+1/3 REMARK 290 11555 -X+Y,Y,-Z REMARK 290 12555 X,X-Y,-Z+2/3 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 45.96667 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 91.93333 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 45.96667 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 91.93333 REMARK 290 SMTRY1 7 -0.500000 0.866025 0.000000 0.00000 REMARK 290 SMTRY2 7 0.866025 0.500000 0.000000 0.00000 REMARK 290 SMTRY3 7 0.000000 0.000000 -1.000000 45.96667 REMARK 290 SMTRY1 8 1.000000 0.000000 0.000000 0.00000 REMARK 290 SMTRY2 8 0.000000 -1.000000 0.000000 0.00000 REMARK 290 SMTRY3 8 0.000000 0.000000 -1.000000 0.00000 REMARK 290 SMTRY1 9 -0.500000 -0.866025 0.000000 0.00000 REMARK 290 SMTRY2 9 -0.866025 0.500000 0.000000 0.00000 REMARK 290 SMTRY3 9 0.000000 0.000000 -1.000000 91.93333 REMARK 290 SMTRY1 10 0.500000 -0.866025 0.000000 0.00000 REMARK 290 SMTRY2 10 -0.866025 -0.500000 0.000000 0.00000 REMARK 290 SMTRY3 10 0.000000 0.000000 -1.000000 45.96667 REMARK 290 SMTRY1 11 -1.000000 0.000000 0.000000 0.00000 REMARK 290 SMTRY2 11 0.000000 1.000000 0.000000 0.00000 REMARK 290 SMTRY3 11 0.000000 0.000000 -1.000000 0.00000 REMARK 290 SMTRY1 12 0.500000 0.866025 0.000000 0.00000 REMARK 290 SMTRY2 12 0.866025 -0.500000 0.000000 0.00000 REMARK 290 SMTRY3 12 0.000000 0.000000 -1.000000 91.93333 REMARK 290 REMARK 290 REMARK: NULL REMARK 300 REMARK 300 BIOMOLECULE: 1, 2 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: MONOMERIC REMARK 350 SOFTWARE DETERMINED QUATERNARY STRUCTURE: MONOMERIC REMARK 350 SOFTWARE USED: PISA REMARK 350 APPLY THE FOLLOWING TO CHAINS: 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 REMARK 350 BIOMOLECULE: 2 REMARK 350 AUTHOR DETERMINED BIOLOGICAL UNIT: MONOMERIC REMARK 350 SOFTWARE DETERMINED QUATERNARY STRUCTURE: MONOMERIC REMARK 350 SOFTWARE USED: PISA REMARK 350 APPLY THE FOLLOWING TO CHAINS: X 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 800 REMARK 800 SITE REMARK 800 SITE_IDENTIFIER: AC1 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE I2A B 101 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC2 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE IR3 B 103 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC3 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE IR3 B 105 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC4 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE IR3 B 109 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC5 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE MG B 112 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC6 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE MG B 113 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC7 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE MG B 115 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC8 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE MG B 116 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC9 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE MG B 117 REMARK 800 REMARK 800 SITE_IDENTIFIER: BC1 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE I2A X 101 REMARK 800 REMARK 800 SITE_IDENTIFIER: BC2 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE IR3 X 102 REMARK 800 REMARK 800 SITE_IDENTIFIER: BC3 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE IR3 X 105 REMARK 800 REMARK 800 SITE_IDENTIFIER: BC4 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE IR3 X 106 REMARK 800 REMARK 800 SITE_IDENTIFIER: BC5 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE MG X 111 REMARK 800 REMARK 800 SITE_IDENTIFIER: BC6 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE MG X 112 REMARK 800 REMARK 800 SITE_IDENTIFIER: BC7 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE MG X 113 REMARK 800 REMARK 800 SITE_IDENTIFIER: BC8 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE MG X 114 REMARK 800 REMARK 800 SITE_IDENTIFIER: BC9 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE MG X 115 REMARK 800 REMARK 800 SITE_IDENTIFIER: CC1 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE MG X 116 REMARK 800 REMARK 800 SITE_IDENTIFIER: CC2 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE MG X 117 REMARK 900 REMARK 900 RELATED ENTRIES REMARK 900 RELATED ID: 4FRN RELATED DB: PDB REMARK 999 REMARK 999 SEQUENCE REMARK 999 THE SEQUENCE CAN BE FOUND AT GENBANK ACCESSION #: AACY021350931.1/ REMARK 999 557-477 OBTAINED FROM SHOTGUN SEQUENCING. THERE ARE SIX REMARK 999 SUBSTITUTIONS TO THE ORIGINAL SEQUENCE TO FACILITATE REMARK 999 CRYSTALLIZATION: UACUUG TO CGAAAG(THIS REGION OCCURS RESIDUE NUMBER REMARK 999 46 TO 51 IN THE PDB) DBREF 4FRG B 1 84 PDB 4FRG 4FRG 1 84 DBREF 4FRG X 1 84 PDB 4FRG 4FRG 1 84 SEQRES 1 B 84 G G C C U A A A A G C A U SEQRES 2 B 84 A G U G G G A A A G U G A SEQRES 3 B 84 C G U G A A A U U C G U C SEQRES 4 B 84 C A G A U G C G A A A G C SEQRES 5 B 84 A U A C G G U U A U A C U SEQRES 6 B 84 C C G A A U G C C A C C U SEQRES 7 B 84 A G G C C A SEQRES 1 X 84 G G C C U A A A A G C A U SEQRES 2 X 84 A G U G G G A A A G U G A SEQRES 3 X 84 C G U G A A A U U C G U C SEQRES 4 X 84 C A G A U G C G A A A G C SEQRES 5 X 84 A U A C G G U U A U A C U SEQRES 6 X 84 C C G A A U G C C A C C U SEQRES 7 X 84 A G G C C A HET I2A B 101 92 HET IR3 B 102 1 HET IR3 B 103 1 HET IR3 B 104 1 HET IR3 B 105 1 HET IR3 B 106 1 HET IR3 B 107 1 HET IR3 B 108 1 HET IR3 B 109 1 HET IR3 B 110 1 HET MG B 111 1 HET MG B 112 1 HET MG B 113 1 HET MG B 114 1 HET MG B 115 1 HET MG B 116 1 HET MG B 117 1 HET I2A X 101 92 HET IR3 X 102 1 HET IR3 X 103 1 HET IR3 X 104 1 HET IR3 X 105 1 HET IR3 X 106 1 HET IR3 X 107 1 HET IR3 X 108 1 HET IR3 X 109 1 HET MG X 110 1 HET MG X 111 1 HET MG X 112 1 HET MG X 113 1 HET MG X 114 1 HET MG X 115 1 HET MG X 116 1 HET MG X 117 1 HET MG X 118 1 HETNAM I2A HYDROXOCOBALAMIN HETNAM IR3 IRIDIUM (III) ION HETNAM MG MAGNESIUM ION FORMUL 3 I2A 2(C62 H88 CO N13 O15 P) FORMUL 4 IR3 17(IR 3+) FORMUL 13 MG 16(MG 2+) SITE 1 AC1 9 G B 19 A B 20 A B 21 U B 44 SITE 2 AC1 9 U B 54 A B 55 A B 70 G B 72 SITE 3 AC1 9 C B 73 SITE 1 AC2 1 G B 57 SITE 1 AC3 2 G B 25 A B 26 SITE 1 AC4 1 A B 14 SITE 1 AC5 2 U B 35 U B 38 SITE 1 AC6 1 C B 46 SITE 1 AC7 4 A B 6 A B 7 A B 8 G B 10 SITE 1 AC8 1 A B 14 SITE 1 AC9 2 U B 13 A B 14 SITE 1 BC1 9 G X 19 A X 20 A X 21 U X 44 SITE 2 BC1 9 U X 54 A X 55 A X 70 G X 72 SITE 3 BC1 9 C X 73 SITE 1 BC2 1 G X 57 SITE 1 BC3 1 C X 11 SITE 1 BC4 1 G X 81 SITE 1 BC5 2 A X 55 C X 64 SITE 1 BC6 4 G B 28 A X 32 A X 33 U X 60 SITE 1 BC7 2 U X 35 U X 38 SITE 1 BC8 1 A X 14 SITE 1 BC9 3 A X 6 U X 13 A X 14 SITE 1 CC1 4 A X 6 A X 7 A X 8 G X 10 SITE 1 CC2 2 A B 84 A X 48 CRYST1 142.030 142.030 137.900 90.00 90.00 120.00 P 64 2 2 24 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 0.007041 0.004065 0.000000 0.00000 SCALE2 0.000000 0.008130 0.000000 0.00000 SCALE3 0.000000 0.000000 0.007252 0.00000