HEADER DNA 17-FEB-23 8IF5 TITLE AFB1-AF26 APTAMER COMPLEX COMPND MOL_ID: 1; COMPND 2 MOLECULE: AFB1 DNA APTAMER (26-MER); COMPND 3 CHAIN: A; COMPND 4 ENGINEERED: YES SOURCE MOL_ID: 1; SOURCE 2 SYNTHETIC: YES; SOURCE 3 ORGANISM_SCIENTIFIC: SYNTHETIC CONSTRUCT; SOURCE 4 ORGANISM_TAXID: 32630 KEYWDS DNA APTAMER, AFLATOXIN B1 (AFB1), STEM-LOOP, DNA EXPDTA SOLUTION NMR NUMMDL 10 AUTHOR G.H.XU,C.WANG,C.G.LI REVDAT 3 15-MAY-24 8IF5 1 REMARK REVDAT 2 23-AUG-23 8IF5 1 JRNL REVDAT 1 19-JUL-23 8IF5 0 JRNL AUTH G.XU,C.WANG,H.YU,Y.LI,Q.ZHAO,X.ZHOU,C.LI,M.LIU JRNL TITL STRUCTURAL BASIS FOR HIGH-AFFINITY RECOGNITION OF AFLATOXIN JRNL TITL 2 B1 BY A DNA APTAMER. JRNL REF NUCLEIC ACIDS RES. V. 51 7666 2023 JRNL REFN ESSN 1362-4962 JRNL PMID 37351632 JRNL DOI 10.1093/NAR/GKAD541 REMARK 2 REMARK 2 RESOLUTION. NOT APPLICABLE. REMARK 3 REMARK 3 REFINEMENT. REMARK 3 PROGRAM : TOPSPIN, X-PLOR NIH REMARK 3 AUTHORS : BRUKER BIOSPIN (TOPSPIN), SCHWIETERS, KUSZEWSKI, REMARK 3 TJANDRA AND CLORE (X-PLOR NIH) REMARK 3 REMARK 3 OTHER REFINEMENT REMARKS: NULL REMARK 4 REMARK 4 8IF5 COMPLIES WITH FORMAT V. 3.30, 13-JUL-11 REMARK 100 REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY PDBJ ON 22-FEB-23. REMARK 100 THE DEPOSITION ID IS D_1300035544. REMARK 210 REMARK 210 EXPERIMENTAL DETAILS REMARK 210 EXPERIMENT TYPE : NMR REMARK 210 TEMPERATURE (KELVIN) : 278 REMARK 210 PH : 7.5 REMARK 210 IONIC STRENGTH : 100 REMARK 210 PRESSURE : 1 ATM REMARK 210 SAMPLE CONTENTS : 1 MM AFB1 DNA APTAMER (26-MER), REMARK 210 2 MM AFB1, 10 MM D TRIS-D11, 50 REMARK 210 MM SODIUM CHLORIDE, 50 MM MGCL2, REMARK 210 100% D2O; 1 MM AFB1 DNA APTAMER REMARK 210 (26-MER), 2 MM AFB1, 10 MM D REMARK 210 TRIS-D11, 50 MM SODIUM CHLORIDE, REMARK 210 50 MM MGCL2, 90% H2O/10% D2O; 3 REMARK 210 MM AFB1 DNA APTAMER (26-MER), 6 REMARK 210 MM AFB1, 10 MM D TRIS-D11, 50 MM REMARK 210 SODIUM CHLORIDE, 50 MM MGCL2, 90% REMARK 210 H2O/10% D2O REMARK 210 REMARK 210 NMR EXPERIMENTS CONDUCTED : 2D DQF-COSY; 2D 1H-1H NOESY; 2D REMARK 210 1H-1H TOCSY; 2D 31P-1H COSY; 2D REMARK 210 1H-13C JRHMBC REMARK 210 SPECTROMETER FIELD STRENGTH : 700 MHZ; 600 MHZ REMARK 210 SPECTROMETER MODEL : AVANCE III REMARK 210 SPECTROMETER MANUFACTURER : BRUKER REMARK 210 REMARK 210 STRUCTURE DETERMINATION. REMARK 210 SOFTWARE USED : SPARKY REMARK 210 METHOD USED : SIMULATED ANNEALING REMARK 210 REMARK 210 CONFORMERS, NUMBER CALCULATED : 200 REMARK 210 CONFORMERS, NUMBER SUBMITTED : 10 REMARK 210 CONFORMERS, SELECTION CRITERIA : STRUCTURES WITH THE LOWEST REMARK 210 ENERGY REMARK 210 REMARK 210 BEST REPRESENTATIVE CONFORMER IN THIS ENSEMBLE : 1 REMARK 210 REMARK 210 REMARK: NULL REMARK 215 REMARK 215 NMR STUDY REMARK 215 THE COORDINATES IN THIS ENTRY WERE GENERATED FROM SOLUTION REMARK 215 NMR DATA. PROTEIN DATA BANK CONVENTIONS REQUIRE THAT REMARK 215 CRYST1 AND SCALE RECORDS BE INCLUDED, BUT THE VALUES ON REMARK 215 THESE RECORDS ARE MEANINGLESS. 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 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 900 REMARK 900 RELATED ENTRIES REMARK 900 RELATED ID: 36549 RELATED DB: BMRB REMARK 900 AFB1-AF26 APTAMER COMPLEX DBREF 8IF5 A 1 26 PDB 8IF5 8IF5 1 26 SEQRES 1 A 26 DC DA DC DG DT DG DT DT DG DT DC DT DC SEQRES 2 A 26 DT DC DT DG DT DG DT DC DT DC DG DT DG HET AFT A 101 35 HETNAM AFT AFLATOXIN B1 FORMUL 2 AFT C17 H12 O6 CRYST1 1.000 1.000 1.000 90.00 90.00 90.00 P 1 1 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 1.000000 0.000000 0.000000 0.00000 SCALE2 0.000000 1.000000 0.000000 0.00000 SCALE3 0.000000 0.000000 1.000000 0.00000 MODEL 1