HEADER    RNA                                     21-NOV-10   2L6I              
TITLE     SOLUTION STRUCTURE OF CORONAVIRAL STEM-LOOP 2 (SL2)                   
COMPND    MOL_ID: 1;                                                            
COMPND   2 MOLECULE: RNA (5'-R(*GP*AP*UP*CP*UP*CP*UP*UP*GP*UP*AP*GP*AP*UP*CP*A)-
COMPND   3 3');                                                                 
COMPND   4 CHAIN: A;                                                            
COMPND   5 ENGINEERED: YES                                                      
SOURCE    MOL_ID: 1;                                                            
SOURCE   2 SYNTHETIC: YES                                                       
KEYWDS    RNA TETRALOOP, SEVERE ACUTE RESPIRATORY SYNDROME, MOUSE HEPATITIS     
KEYWDS   2 VIRUS, CORONAVIRUS, RNA                                              
EXPDTA    SOLUTION NMR                                                          
NUMMDL    27                                                                    
AUTHOR    C.LEE,L.LI,D.P.GIEDROC                                                
REVDAT   3   01-MAY-24 2L6I    1       REMARK                                   
REVDAT   2   20-APR-11 2L6I    1       JRNL                                     
REVDAT   1   23-MAR-11 2L6I    0                                                
JRNL        AUTH   C.W.LEE,L.LI,D.P.GIEDROC                                     
JRNL        TITL   THE SOLUTION STRUCTURE OF CORONAVIRAL STEM-LOOP 2 (SL2)      
JRNL        TITL 2 REVEALS A CANONICAL CUYG TETRALOOP FOLD.                     
JRNL        REF    FEBS LETT.                    V. 585  1049 2011              
JRNL        REFN                   ISSN 0014-5793                               
JRNL        PMID   21382373                                                     
JRNL        DOI    10.1016/J.FEBSLET.2011.03.002                                
REMARK   2                                                                      
REMARK   2 RESOLUTION. NOT APPLICABLE.                                          
REMARK   3                                                                      
REMARK   3 REFINEMENT.                                                          
REMARK   3   PROGRAM     : X-PLOR NIH                                           
REMARK   3   AUTHORS     : SCHWIETERS, KUSZEWSKI, TJANDRA AND CLORE             
REMARK   3                                                                      
REMARK   3  OTHER REFINEMENT REMARKS: NULL                                      
REMARK   4                                                                      
REMARK   4 2L6I COMPLIES WITH FORMAT V. 3.30, 13-JUL-11                         
REMARK 100                                                                      
REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY RCSB ON 29-NOV-10.                  
REMARK 100 THE DEPOSITION ID IS D_1000102018.                                   
REMARK 210                                                                      
REMARK 210 EXPERIMENTAL DETAILS                                                 
REMARK 210  EXPERIMENT TYPE                : NMR                                
REMARK 210  TEMPERATURE           (KELVIN) : 283; 298                           
REMARK 210  PH                             : 6.0; 6.0                           
REMARK 210  IONIC STRENGTH                 : 0; 0                               
REMARK 210  PRESSURE                       : AMBIENT; AMBIENT                   
REMARK 210  SAMPLE CONTENTS                : 0.8-2 MM SL2, 0.8-2 MM [U-13C; U   
REMARK 210                                   -15N]-URA SL2, 10 MM POTASSIUM     
REMARK 210                                   PHOSPHATE, 0.1 MM DSS, 90%H2O/10%  
REMARK 210                                   D2O; 0.8-2 MM SL2, 0.8-2 MM [U-    
REMARK 210                                   13C; U-15N]-URA SL2, 10 MM         
REMARK 210                                   POTASSIUM PHOSPHATE, 0.1 MM DSS,   
REMARK 210                                   100%D2O                            
REMARK 210                                                                      
REMARK 210  NMR EXPERIMENTS CONDUCTED      : 2D 1H-1H NOESY; 2D 1H-1H TOCSY;    
REMARK 210                                   2D 1H-13C HSQC; 3D HCCH-TOCSY;     
REMARK 210                                   2D HNCCCH; 2D H(CCN)H-TOCSY; 2D    
REMARK 210                                   HCN-HMQC; 2D HCN-TROSY; 2D HCNCH   
REMARK 210  SPECTROMETER FIELD STRENGTH    : 500 MHZ; 600 MHZ                   
REMARK 210  SPECTROMETER MODEL             : INOVA                              
REMARK 210  SPECTROMETER MANUFACTURER      : VARIAN                             
REMARK 210                                                                      
REMARK 210  STRUCTURE DETERMINATION.                                            
REMARK 210   SOFTWARE USED                 : CYANA 2.1, NMRVIEW, SPARKY,        
REMARK 210                                   NMRPIPE                            
REMARK 210   METHOD USED                   : DGSA-DISTANCE GEOMETRY SIMULATED   
REMARK 210                                   ANNEALING, MOLECULAR DYNAMICS      
REMARK 210                                                                      
REMARK 210 CONFORMERS, NUMBER CALCULATED   : 100                                
REMARK 210 CONFORMERS, NUMBER SUBMITTED    : 27                                 
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 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  6   U A  48   C1' -  O4' -  C4' ANGL. DEV. =  -6.7 DEGREES          
REMARK 500 26   U A  48   C1' -  O4' -  C4' ANGL. DEV. =  -6.6 DEGREES          
REMARK 500 27   U A  48   C1' -  O4' -  C4' ANGL. DEV. =  -5.2 DEGREES          
REMARK 500                                                                      
REMARK 500 REMARK: NULL                                                         
DBREF  2L6I A   42    57  PDB    2L6I     2L6I            42     57             
SEQRES   1 A   16    G   A   U   C   U   C   U   U   G   U   A   G   A          
SEQRES   2 A   16    U   C   A                                                  
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