HEADER RNA 07-OCT-20 7KD1 TITLE APO STRUCTURE OF THE THF RIBOSWITCH APTAMER DOMAIN COMPND MOL_ID: 1; COMPND 2 MOLECULE: TETRAHYDROFOLATE RIBOSWITCH APTAMER DOMAIN; COMPND 3 CHAIN: A; COMPND 4 ENGINEERED: YES SOURCE MOL_ID: 1; SOURCE 2 SYNTHETIC: YES; SOURCE 3 ORGANISM_SCIENTIFIC: STREPTOCOCCUS MUTANS UA159; SOURCE 4 ORGANISM_TAXID: 210007 KEYWDS RIBOSWITCH, APO, GENE REGULATION, RNA EXPDTA X-RAY DIFFRACTION AUTHOR H.M.WILT,J.R.STAGNO,Y.-X.WANG REVDAT 3 18-OCT-23 7KD1 1 REMARK REVDAT 2 10-MAR-21 7KD1 1 JRNL REVDAT 1 03-MAR-21 7KD1 0 JRNL AUTH H.M.WILT,P.YU,K.TAN,Y.X.WANG,J.R.STAGNO JRNL TITL TYING THE KNOT IN THE TETRAHYDROFOLATE (THF) RIBOSWITCH: A JRNL TITL 2 MOLECULAR BASIS FOR GENE REGULATION. JRNL REF J.STRUCT.BIOL. V. 213 07703 2021 JRNL REFN ESSN 1095-8657 JRNL PMID 33571639 JRNL DOI 10.1016/J.JSB.2021.107703 REMARK 2 REMARK 2 RESOLUTION. 1.90 ANGSTROMS. REMARK 3 REMARK 3 REFINEMENT. REMARK 3 PROGRAM : PHENIX DEV-3900 REMARK 3 AUTHORS : PAUL ADAMS,PAVEL AFONINE,VINCENT CHEN,IAN REMARK 3 : DAVIS,KRESHNA GOPAL,RALF GROSSE-KUNSTLEVE, REMARK 3 : LI-WEI HUNG,ROBERT IMMORMINO,TOM IOERGER, REMARK 3 : AIRLIE MCCOY,ERIK MCKEE,NIGEL MORIARTY, REMARK 3 : REETAL PAI,RANDY READ,JANE RICHARDSON, REMARK 3 : DAVID RICHARDSON,TOD ROMO,JIM SACCHETTINI, REMARK 3 : NICHOLAS SAUTER,JACOB SMITH,LAURENT REMARK 3 : STORONI,TOM TERWILLIGER,PETER ZWART REMARK 3 REMARK 3 REFINEMENT TARGET : ML REMARK 3 REMARK 3 DATA USED IN REFINEMENT. REMARK 3 RESOLUTION RANGE HIGH (ANGSTROMS) : 1.90 REMARK 3 RESOLUTION RANGE LOW (ANGSTROMS) : 40.75 REMARK 3 MIN(FOBS/SIGMA_FOBS) : 1.340 REMARK 3 COMPLETENESS FOR RANGE (%) : 98.1 REMARK 3 NUMBER OF REFLECTIONS : 30617 REMARK 3 REMARK 3 FIT TO DATA USED IN REFINEMENT. REMARK 3 R VALUE (WORKING + TEST SET) : 0.206 REMARK 3 R VALUE (WORKING SET) : 0.205 REMARK 3 FREE R VALUE : 0.226 REMARK 3 FREE R VALUE TEST SET SIZE (%) : 5.160 REMARK 3 FREE R VALUE TEST SET COUNT : 1579 REMARK 3 REMARK 3 FIT TO DATA USED IN REFINEMENT (IN BINS). REMARK 3 BIN RESOLUTION RANGE COMPL. NWORK NFREE RWORK RFREE REMARK 3 1 40.7500 - 4.0900 0.98 3068 186 0.1515 0.1749 REMARK 3 2 4.0900 - 3.2500 0.99 2983 170 0.1790 0.1862 REMARK 3 3 3.2500 - 2.8400 0.99 2948 162 0.2481 0.2892 REMARK 3 4 2.8400 - 2.5800 1.00 2961 147 0.3163 0.3632 REMARK 3 5 2.5800 - 2.3900 0.99 2914 152 0.3021 0.3232 REMARK 3 6 2.3900 - 2.2500 0.99 2912 168 0.3018 0.3138 REMARK 3 7 2.2500 - 2.1400 0.99 2906 129 0.3410 0.3892 REMARK 3 8 2.1400 - 2.0500 0.98 2841 173 0.3845 0.4137 REMARK 3 9 2.0500 - 1.9700 0.98 2871 150 0.4444 0.4516 REMARK 3 10 1.9700 - 1.9000 0.91 2634 142 0.4494 0.4744 REMARK 3 REMARK 3 BULK SOLVENT MODELLING. REMARK 3 METHOD USED : FLAT BULK SOLVENT MODEL REMARK 3 SOLVENT RADIUS : 1.11 REMARK 3 SHRINKAGE RADIUS : 0.90 REMARK 3 K_SOL : NULL REMARK 3 B_SOL : NULL REMARK 3 REMARK 3 ERROR ESTIMATES. REMARK 3 COORDINATE ERROR (MAXIMUM-LIKELIHOOD BASED) : 0.380 REMARK 3 PHASE ERROR (DEGREES, MAXIMUM-LIKELIHOOD BASED) : 34.480 REMARK 3 REMARK 3 B VALUES. REMARK 3 FROM WILSON PLOT (A**2) : NULL REMARK 3 MEAN B VALUE (OVERALL, A**2) : 87.75 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 TWINNING INFORMATION. REMARK 3 FRACTION: NULL REMARK 3 OPERATOR: NULL REMARK 3 REMARK 3 DEVIATIONS FROM IDEAL VALUES. REMARK 3 RMSD COUNT REMARK 3 BOND : NULL NULL REMARK 3 ANGLE : NULL NULL REMARK 3 CHIRALITY : NULL NULL REMARK 3 PLANARITY : NULL NULL REMARK 3 DIHEDRAL : NULL NULL REMARK 3 REMARK 3 TLS DETAILS REMARK 3 NUMBER OF TLS GROUPS : 5 REMARK 3 TLS GROUP : 1 REMARK 3 SELECTION: CHAIN 'A' AND (RESID 1 THROUGH 20 ) REMARK 3 ORIGIN FOR THE GROUP (A): 22.8297 42.7088 92.0426 REMARK 3 T TENSOR REMARK 3 T11: 1.1142 T22: 0.7494 REMARK 3 T33: 0.8254 T12: 0.2094 REMARK 3 T13: 0.0281 T23: -0.1211 REMARK 3 L TENSOR REMARK 3 L11: 0.3146 L22: 1.4660 REMARK 3 L33: 1.4988 L12: -1.1628 REMARK 3 L13: -0.9468 L23: 3.2790 REMARK 3 S TENSOR REMARK 3 S11: -0.2232 S12: -0.1883 S13: 0.2524 REMARK 3 S21: 0.7269 S22: 0.2734 S23: -0.1954 REMARK 3 S31: 0.5419 S32: 0.3143 S33: -0.1835 REMARK 3 TLS GROUP : 2 REMARK 3 SELECTION: CHAIN 'A' AND (RESID 21 THROUGH 30 ) REMARK 3 ORIGIN FOR THE GROUP (A): 18.2042 21.6833 77.6655 REMARK 3 T TENSOR REMARK 3 T11: 0.7155 T22: 0.5828 REMARK 3 T33: 0.6432 T12: 0.0337 REMARK 3 T13: 0.0446 T23: 0.0741 REMARK 3 L TENSOR REMARK 3 L11: 1.1938 L22: 2.4408 REMARK 3 L33: 2.1659 L12: 0.6881 REMARK 3 L13: -0.1384 L23: -1.5989 REMARK 3 S TENSOR REMARK 3 S11: -0.0939 S12: -0.1578 S13: -0.3739 REMARK 3 S21: -0.0042 S22: 0.1575 S23: -0.2057 REMARK 3 S31: 0.4561 S32: -0.2933 S33: -0.0252 REMARK 3 TLS GROUP : 3 REMARK 3 SELECTION: CHAIN 'A' AND (RESID 31 THROUGH 45 ) REMARK 3 ORIGIN FOR THE GROUP (A): 12.0471 30.3639 104.7161 REMARK 3 T TENSOR REMARK 3 T11: 1.9285 T22: 1.0171 REMARK 3 T33: 1.0114 T12: 0.3465 REMARK 3 T13: 0.2943 T23: -0.1064 REMARK 3 L TENSOR REMARK 3 L11: 0.0588 L22: 3.8850 REMARK 3 L33: 1.6736 L12: -0.7242 REMARK 3 L13: -0.5864 L23: 2.6985 REMARK 3 S TENSOR REMARK 3 S11: 0.4514 S12: -0.2528 S13: 0.6278 REMARK 3 S21: 1.5118 S22: -0.5261 S23: 0.9246 REMARK 3 S31: -0.6164 S32: -0.9114 S33: 0.0226 REMARK 3 TLS GROUP : 4 REMARK 3 SELECTION: CHAIN 'A' AND (RESID 46 THROUGH 65 ) REMARK 3 ORIGIN FOR THE GROUP (A): 24.1222 27.7263 70.1689 REMARK 3 T TENSOR REMARK 3 T11: 0.5835 T22: 0.5872 REMARK 3 T33: 0.5672 T12: 0.0667 REMARK 3 T13: 0.0215 T23: -0.0069 REMARK 3 L TENSOR REMARK 3 L11: 0.0104 L22: 0.8233 REMARK 3 L33: 2.0088 L12: -0.0524 REMARK 3 L13: -0.3430 L23: -0.5778 REMARK 3 S TENSOR REMARK 3 S11: 0.0058 S12: 0.0880 S13: -0.0934 REMARK 3 S21: 0.0449 S22: 0.1931 S23: -0.1164 REMARK 3 S31: 0.3308 S32: 0.0865 S33: -0.1240 REMARK 3 TLS GROUP : 5 REMARK 3 SELECTION: CHAIN 'A' AND (RESID 66 THROUGH 89 ) REMARK 3 ORIGIN FOR THE GROUP (A): 19.5328 43.5590 98.1088 REMARK 3 T TENSOR REMARK 3 T11: 1.2310 T22: 0.9091 REMARK 3 T33: 0.7494 T12: 0.2548 REMARK 3 T13: -0.0029 T23: -0.1703 REMARK 3 L TENSOR REMARK 3 L11: -0.6074 L22: 1.0337 REMARK 3 L33: 3.0085 L12: -0.1154 REMARK 3 L13: -0.3816 L23: 3.5974 REMARK 3 S TENSOR REMARK 3 S11: -0.1629 S12: -0.1620 S13: 0.2179 REMARK 3 S21: 0.5745 S22: 0.0559 S23: -0.0773 REMARK 3 S31: 0.2647 S32: -0.1262 S33: -0.1185 REMARK 3 REMARK 3 NCS DETAILS REMARK 3 NUMBER OF NCS GROUPS : NULL REMARK 3 REMARK 3 OTHER REFINEMENT REMARKS: NULL REMARK 4 REMARK 4 7KD1 COMPLIES WITH FORMAT V. 3.30, 13-JUL-11 REMARK 100 REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY RCSB ON 08-OCT-20. REMARK 100 THE DEPOSITION ID IS D_1000252266. REMARK 200 REMARK 200 EXPERIMENTAL DETAILS REMARK 200 EXPERIMENT TYPE : X-RAY DIFFRACTION REMARK 200 DATE OF DATA COLLECTION : 24-APR-17 REMARK 200 TEMPERATURE (KELVIN) : 100 REMARK 200 PH : 5.6 REMARK 200 NUMBER OF CRYSTALS USED : 1 REMARK 200 REMARK 200 SYNCHROTRON (Y/N) : Y REMARK 200 RADIATION SOURCE : APS REMARK 200 BEAMLINE : 19-ID REMARK 200 X-RAY GENERATOR MODEL : NULL REMARK 200 MONOCHROMATIC OR LAUE (M/L) : M REMARK 200 WAVELENGTH OR RANGE (A) : 0.97930 REMARK 200 MONOCHROMATOR : NULL REMARK 200 OPTICS : NULL REMARK 200 REMARK 200 DETECTOR TYPE : PIXEL REMARK 200 DETECTOR MANUFACTURER : DECTRIS PILATUS3 6M REMARK 200 INTENSITY-INTEGRATION SOFTWARE : XDS 20200131 REMARK 200 DATA SCALING SOFTWARE : XSCALE 20200131 REMARK 200 REMARK 200 NUMBER OF UNIQUE REFLECTIONS : 30818 REMARK 200 RESOLUTION RANGE HIGH (A) : 1.900 REMARK 200 RESOLUTION RANGE LOW (A) : 40.750 REMARK 200 REJECTION CRITERIA (SIGMA(I)) : NULL REMARK 200 REMARK 200 OVERALL. REMARK 200 COMPLETENESS FOR RANGE (%) : 98.7 REMARK 200 DATA REDUNDANCY : 7.340 REMARK 200 R MERGE (I) : 0.02600 REMARK 200 R SYM (I) : NULL REMARK 200 FOR THE DATA SET : 29.4000 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 (%) : 97.2 REMARK 200 DATA REDUNDANCY IN SHELL : 6.07 REMARK 200 R MERGE FOR SHELL (I) : 3.63900 REMARK 200 R SYM FOR SHELL (I) : NULL REMARK 200 FOR SHELL : 0.600 REMARK 200 REMARK 200 DIFFRACTION PROTOCOL: SINGLE WAVELENGTH REMARK 200 METHOD USED TO DETERMINE THE STRUCTURE: MOLECULAR REPLACEMENT REMARK 200 SOFTWARE USED: PHASER REMARK 200 STARTING MODEL: 4LVV REMARK 200 REMARK 200 REMARK: NULL REMARK 280 REMARK 280 CRYSTAL REMARK 280 SOLVENT CONTENT, VS (%): 63.32 REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 3.35 REMARK 280 REMARK 280 CRYSTALLIZATION CONDITIONS: 100 MM MES, PH 5.6, 200 MM NACL, 2.5 M REMARK 280 AMMONIUM SULFATE, VAPOR DIFFUSION, SITTING DROP, TEMPERATURE 293K REMARK 290 REMARK 290 CRYSTALLOGRAPHIC SYMMETRY REMARK 290 SYMMETRY OPERATORS FOR SPACE GROUP: P 31 2 1 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 Y,X,-Z REMARK 290 5555 X-Y,-Y,-Z+2/3 REMARK 290 6555 -X,-X+Y,-Z+1/3 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 40.75333 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 81.50667 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 0.00000 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 81.50667 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 40.75333 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: MONOMERIC REMARK 350 SOFTWARE DETERMINED QUATERNARY STRUCTURE: MONOMERIC REMARK 350 SOFTWARE USED: PISA 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 375 REMARK 375 SPECIAL POSITION REMARK 375 THE FOLLOWING ATOMS ARE FOUND TO BE WITHIN 0.15 ANGSTROMS REMARK 375 OF A SYMMETRY RELATED ATOM AND ARE ASSUMED TO BE ON SPECIAL REMARK 375 POSITIONS. REMARK 375 REMARK 375 ATOM RES CSSEQI REMARK 375 HOH A 206 LIES ON A SPECIAL POSITION. 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 G A 1 P G A 1 OP3 -0.136 REMARK 500 A A 56 N9 A A 56 C4 -0.039 REMARK 500 G A 67 P G A 67 OP1 -0.122 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 A A 22 O4' - C1' - N9 ANGL. DEV. = 4.4 DEGREES REMARK 500 A A 23 O5' - P - OP2 ANGL. DEV. = -6.3 DEGREES REMARK 500 G A 24 C5 - C6 - O6 ANGL. DEV. = -3.8 DEGREES REMARK 500 G A 30 C4 - C5 - N7 ANGL. DEV. = 2.5 DEGREES REMARK 500 C A 43 C6 - N1 - C2 ANGL. DEV. = -3.4 DEGREES REMARK 500 G A 44 N3 - C4 - C5 ANGL. DEV. = -3.0 DEGREES REMARK 500 G A 44 N3 - C4 - N9 ANGL. DEV. = 4.0 DEGREES REMARK 500 G A 44 C8 - N9 - C1' ANGL. DEV. = -8.1 DEGREES REMARK 500 G A 44 C4 - N9 - C1' ANGL. DEV. = 9.6 DEGREES REMARK 500 C A 46 C6 - N1 - C2 ANGL. DEV. = -2.7 DEGREES REMARK 500 A A 49 O5' - P - OP2 ANGL. DEV. = -6.3 DEGREES REMARK 500 A A 55 O4' - C1' - N9 ANGL. DEV. = 5.0 DEGREES REMARK 500 G A 59 C5 - C6 - O6 ANGL. DEV. = -3.7 DEGREES REMARK 500 G A 61 N7 - C8 - N9 ANGL. DEV. = -3.3 DEGREES REMARK 500 G A 61 C8 - N9 - C4 ANGL. DEV. = 2.4 DEGREES REMARK 500 G A 65 C8 - N9 - C4 ANGL. DEV. = 2.7 DEGREES REMARK 500 C A 66 O5' - P - OP1 ANGL. DEV. = 7.2 DEGREES REMARK 500 G A 70 C5 - N7 - C8 ANGL. DEV. = -3.2 DEGREES REMARK 500 A A 71 O5' - P - OP1 ANGL. DEV. = 7.8 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 103 MG REMARK 620 N RES CSSEQI ATOM REMARK 620 1 G A 1 OP3 REMARK 620 2 G A 1 OP1 57.3 REMARK 620 3 HOH A 223 O 87.7 74.0 REMARK 620 N 1 2 DBREF 7KD1 A 1 89 PDB 7KD1 7KD1 1 89 SEQRES 1 A 89 G G A G A G U A G A U G A SEQRES 2 A 89 U U C G C G U U A A G U G SEQRES 3 A 89 U G U G U G A A U G G G A SEQRES 4 A 89 U G U C G U C A C A C A A SEQRES 5 A 89 C G A A G C G A G A G C G SEQRES 6 A 89 C G G U G A A U C A U U G SEQRES 7 A 89 C A U C C G C U C C A HET SO4 A 101 5 HET SO4 A 102 5 HET MG A 103 1 HETNAM SO4 SULFATE ION HETNAM MG MAGNESIUM ION FORMUL 2 SO4 2(O4 S 2-) FORMUL 4 MG MG 2+ FORMUL 5 HOH *27(H2 O) LINK OP3 G A 1 MG MG A 103 1555 1555 2.41 LINK OP1 G A 1 MG MG A 103 1555 1555 2.60 LINK MG MG A 103 O HOH A 223 1555 1555 2.44 CRYST1 74.040 74.040 122.260 90.00 90.00 120.00 P 31 2 1 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 0.013506 0.007798 0.000000 0.00000 SCALE2 0.000000 0.015596 0.000000 0.00000 SCALE3 0.000000 0.000000 0.008179 0.00000