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- PDB-2u2a: STEM LOOP IIA FROM U2 SNRNA OF SACCHAROMYCES CEREVISIAE, NMR, MIN... -
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Open data
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Basic information
Entry | Database: PDB / ID: 2u2a | ||||||||||||||||||||
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Title | STEM LOOP IIA FROM U2 SNRNA OF SACCHAROMYCES CEREVISIAE, NMR, MINIMIZED AVERAGE STRUCTURE | ||||||||||||||||||||
![]() | RNA (5'-R(P*![]() RNA / PRE-MRNA SPLICING / U2SNRNA / U-TURN / RNA-PROTEIN INTERACTIONS / RIBONUCLEIC ACID | Function / homology | RNA / RNA (> 10) | ![]() Biological species | ![]() ![]() Method | SOLUTION NMR / molecular dynamics | ![]() Stallings, S.C. / Moore, P.B. | ![]() ![]() Title: The structure of an essential splicing element: stem loop IIa from yeast U2 snRNA. Authors: Stallings, S.C. / Moore, P.B. #1: ![]() Title: Efficient Association of U2 Snrnps with Pre-Mrna Requires an Essential U2 RNA Structural Element Authors: Zavanelli, M.I. / Ares Junior, M. #2: ![]() Title: Lethal and Temperature-Sensitive Mutations and Their Suppressors Identify an Essential Structural Element in U2 Small Nuclear RNA Authors: Ares Junior, M. / Igel, A.H. History |
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Structure visualization
Structure viewer | Molecule: ![]() ![]() |
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Downloads & links
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Download
PDBx/mmCIF format | ![]() | 20.9 KB | Display | ![]() |
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PDB format | ![]() | 13.4 KB | Display | ![]() |
PDBx/mmJSON format | ![]() | Tree view | ![]() | |
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-Validation report
Summary document | ![]() | 291.8 KB | Display | ![]() |
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Full document | ![]() | 291.5 KB | Display | |
Data in XML | ![]() | 1.6 KB | Display | |
Data in CIF | ![]() | 1.8 KB | Display | |
Arichive directory | ![]() ![]() | HTTPS FTP |
-Related structure data
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Links
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Assembly
Deposited unit | ![]()
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NMR ensembles |
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Components
#1: RNA chain | Mass: 6406.878 Da / Num. of mol.: 1 / Fragment: STEM LOOP IIA Mutation: TWO TERMINAL BASE PAIRS WERE CHANGED FROM UAS IN STEM LOOP IIA TO GCS IN U2A TO ACCOMMODATE T7 TRANSCRIPTION Source method: isolated from a genetically manipulated source Source: (gene. exp.) ![]() ![]() Description: MOLECULE TRANSCRIBED FROM A PARTIALLY SINGLE-STRANDED DNA TEMPLATE USING T7 RNA POLYMERASE Production host: ![]() ![]() |
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-Experimental details
-Experiment
Experiment | Method: SOLUTION NMR | ||||||||||||||||||||||||||||||||||||||||
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NMR experiment |
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Sample preparation
Sample conditions | Ionic strength: 75 mM / pH: 7.6 Pressure: 1 ATM SOLVENT SYSTEM : 10MM KH2PO4, 50 MM KCL, 15 MM NACL, 0.5 MM EDTA atm Temperature: 303 K |
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Crystal grow | *PLUS Method: other / Details: NMR |
-NMR measurement
NMR spectrometer |
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Processing
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NMR software |
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Refinement | Method: molecular dynamics / Software ordinal: 1 Details: REFINEMENT WAS DONE USING TORSION ANGLE MOLECULAR DYNAMICS. DETAILS OF THE PROTOCOL CAN BE FOUND IN THE STRUCTURE CITATION ABOVE. | ||||||||||||||||
NMR ensemble | Conformer selection criteria: LEAST RESTRAINT VIOLATIONS / Conformers calculated total number: 15 / Conformers submitted total number: 1 |