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- PDB-3ucz: The c-di-GMP-I riboswitch bound to GpG -

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Basic information

Entry
Database: PDB / ID: 3ucz
TitleThe c-di-GMP-I riboswitch bound to GpG
Components
  • RNA (5'-R(*GP*G)-3')
  • RNA (92-MER)
  • U1 small nuclear ribonucleoprotein A
KeywordsSIGNALING PROTEIN/RNA / riboswitch / SIGNALING PROTEIN-RNA complex
Function / homology
Function and homology information


U1 snRNP binding / U1 snRNP / U1 snRNA binding / U4/U6 x U5 tri-snRNP complex / mRNA Splicing - Major Pathway / spliceosomal complex / mRNA splicing, via spliceosome / DNA binding / RNA binding / nucleoplasm ...U1 snRNP binding / U1 snRNP / U1 snRNA binding / U4/U6 x U5 tri-snRNP complex / mRNA Splicing - Major Pathway / spliceosomal complex / mRNA splicing, via spliceosome / DNA binding / RNA binding / nucleoplasm / identical protein binding / nucleus
Similarity search - Function
U1 small nuclear ribonucleoprotein A, RNA recognition motif 2 / U1 small nuclear ribonucleoprotein A, RNA recognition motif 1 / RRM (RNA recognition motif) domain / RNA recognition motif / RNA recognition motif / Eukaryotic RNA Recognition Motif (RRM) profile. / RNA recognition motif domain / RNA-binding domain superfamily / Nucleotide-binding alpha-beta plait domain superfamily / Alpha-Beta Plaits ...U1 small nuclear ribonucleoprotein A, RNA recognition motif 2 / U1 small nuclear ribonucleoprotein A, RNA recognition motif 1 / RRM (RNA recognition motif) domain / RNA recognition motif / RNA recognition motif / Eukaryotic RNA Recognition Motif (RRM) profile. / RNA recognition motif domain / RNA-binding domain superfamily / Nucleotide-binding alpha-beta plait domain superfamily / Alpha-Beta Plaits / 2-Layer Sandwich / Alpha Beta
Similarity search - Domain/homology
RNA / RNA (> 10) / U1 small nuclear ribonucleoprotein A
Similarity search - Component
Biological speciesHomo sapiens (human)
MethodX-RAY DIFFRACTION / SYNCHROTRON / MOLECULAR REPLACEMENT / Resolution: 2.8 Å
AuthorsSmith, K.D. / Strobel, S.A.
CitationJournal: Biochemistry / Year: 2012
Title: Structural and biochemical characterization of linear dinucleotide analogues bound to the c-di-GMP-I aptamer.
Authors: Smith, K.D. / Lipchock, S.V. / Strobel, S.A.
History
DepositionOct 27, 2011Deposition site: RCSB / Processing site: RCSB
Revision 1.0Jan 4, 2012Provider: repository / Type: Initial release
Revision 1.1Oct 17, 2012Group: Database references
Revision 1.2Sep 13, 2023Group: Data collection / Database references ...Data collection / Database references / Derived calculations / Refinement description
Category: chem_comp_atom / chem_comp_bond ...chem_comp_atom / chem_comp_bond / database_2 / pdbx_initial_refinement_model / pdbx_struct_conn_angle / struct_conn / struct_ref_seq_dif / struct_site
Item: _database_2.pdbx_DOI / _database_2.pdbx_database_accession ..._database_2.pdbx_DOI / _database_2.pdbx_database_accession / _pdbx_struct_conn_angle.ptnr1_auth_asym_id / _pdbx_struct_conn_angle.ptnr1_auth_seq_id / _pdbx_struct_conn_angle.ptnr1_label_asym_id / _pdbx_struct_conn_angle.ptnr2_auth_asym_id / _pdbx_struct_conn_angle.ptnr2_auth_seq_id / _pdbx_struct_conn_angle.ptnr2_label_asym_id / _pdbx_struct_conn_angle.ptnr3_auth_asym_id / _pdbx_struct_conn_angle.ptnr3_auth_seq_id / _pdbx_struct_conn_angle.ptnr3_label_asym_id / _pdbx_struct_conn_angle.value / _struct_conn.pdbx_dist_value / _struct_conn.pdbx_leaving_atom_flag / _struct_conn.ptnr1_auth_asym_id / _struct_conn.ptnr1_auth_seq_id / _struct_conn.ptnr1_label_asym_id / _struct_conn.ptnr2_auth_asym_id / _struct_conn.ptnr2_auth_seq_id / _struct_conn.ptnr2_label_asym_id / _struct_ref_seq_dif.details / _struct_site.pdbx_auth_asym_id / _struct_site.pdbx_auth_comp_id / _struct_site.pdbx_auth_seq_id

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Structure visualization

Structure viewerMolecule:
MolmilJmol/JSmol

Downloads & links

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Assembly

Deposited unit
P: U1 small nuclear ribonucleoprotein A
R: RNA (92-MER)
D: RNA (5'-R(*GP*G)-3')
hetero molecules


Theoretical massNumber of molelcules
Total (without water)42,0016
Polymers41,9293
Non-polymers733
Water57632
1


  • Idetical with deposited unit
  • defined by author
TypeNameSymmetry operationNumber
identity operation1_555x,y,z1
Unit cell
Length a, b, c (Å)49.808, 45.358, 77.334
Angle α, β, γ (deg.)90.00, 95.81, 90.00
Int Tables number4
Space group name H-MP1211
DetailsTHE PROTEIN IS NOT BIOLOGICALLY RELEVANT AND HAS BEEN USED AS A CRYSTALLIZATION CHAPERONE

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Components

#1: Protein U1 small nuclear ribonucleoprotein A / U1 snRNP A / U1-A / U1A


Mass: 11340.315 Da / Num. of mol.: 1 / Fragment: RNA binding domain, UNP residues 1-98 / Mutation: Y31H, Q36R
Source method: isolated from a genetically manipulated source
Source: (gene. exp.) Homo sapiens (human) / Gene: SNRPA / Plasmid: pET11 / Production host: Escherichia coli (E. coli) / Strain (production host): BL21 / References: UniProt: P09012
#2: RNA chain RNA (92-MER)


Mass: 29942.773 Da / Num. of mol.: 1 / Source method: obtained synthetically / Details: in vitro transcribed RNA transcript
#3: RNA chain RNA (5'-R(*GP*G)-3')


Mass: 645.454 Da / Num. of mol.: 1 / Source method: obtained synthetically / Details: GpG
#4: Chemical ChemComp-MG / MAGNESIUM ION


Mass: 24.305 Da / Num. of mol.: 3 / Source method: obtained synthetically / Formula: Mg
#5: Water ChemComp-HOH / water / Water


Mass: 18.015 Da / Num. of mol.: 32 / Source method: isolated from a natural source / Formula: H2O

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Experimental details

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Experiment

ExperimentMethod: X-RAY DIFFRACTION / Number of used crystals: 1

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Sample preparation

CrystalDensity Matthews: 2.07 Å3/Da / Density % sol: 40.66 %
Crystal growTemperature: 298 K / Method: vapor diffusion, hanging drop / pH: 6
Details: 24% PEG550mme, 50 mM MES, pH 6.0, 5 mM MgSO4, 300 mM NaCl, VAPOR DIFFUSION, HANGING DROP, temperature 298K

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Data collection

DiffractionMean temperature: 100 K
Diffraction sourceSource: SYNCHROTRON / Site: NSLS / Beamline: X25 / Wavelength: 1.1 Å
DetectorType: ADSC QUANTUM 315 / Detector: CCD / Date: Feb 18, 2010
RadiationMonochromator: Si(111) / Protocol: SINGLE WAVELENGTH / Monochromatic (M) / Laue (L): M / Scattering type: x-ray
Radiation wavelengthWavelength: 1.1 Å / Relative weight: 1
ReflectionResolution: 2.8→50 Å / Num. all: 8491 / Num. obs: 8467 / % possible obs: 99.7 % / Observed criterion σ(F): 2 / Observed criterion σ(I): 2
Reflection shellResolution: 2.8→2.85 Å / Redundancy: 6.6 % / Rmerge(I) obs: 0.85 / Mean I/σ(I) obs: 2.3 / % possible all: 99.8

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Processing

Software
NameVersionClassification
CBASSdata collection
PHASERphasing
REFMAC5.5.0109refinement
HKL-2000data reduction
HKL-2000data scaling
RefinementMethod to determine structure: MOLECULAR REPLACEMENT
Starting model: PDB entry 3MXH

3mxh


Resolution: 2.8→50 Å / Cor.coef. Fo:Fc: 0.945 / Cor.coef. Fo:Fc free: 0.901 / SU ML: 0.426 / Cross valid method: THROUGHOUT / ESU R Free: 0.451 / Stereochemistry target values: MAXIMUM LIKELIHOOD / Details: HYDROGENS HAVE BEEN ADDED IN THE RIDING POSITIONS
RfactorNum. reflection% reflectionSelection details
Rfree0.2693 411 4.8 %RANDOM
Rwork0.20242 ---
all0.2056 8233 --
obs0.2056 8233 99.76 %-
Solvent computationIon probe radii: 0.8 Å / Shrinkage radii: 0.8 Å / VDW probe radii: 1.4 Å / Solvent model: MASK
Refinement stepCycle: LAST / Resolution: 2.8→50 Å
ProteinNucleic acidLigandSolventTotal
Num. atoms742 2027 3 32 2804
Refine LS restraints
Refine-IDTypeDev idealDev ideal targetNumber
X-RAY DIFFRACTIONr_bond_refined_d0.0050.0213086
X-RAY DIFFRACTIONr_angle_refined_deg1.0722.7734655
X-RAY DIFFRACTIONr_dihedral_angle_1_deg5.133590
X-RAY DIFFRACTIONr_dihedral_angle_2_deg32.63523.23534
X-RAY DIFFRACTIONr_dihedral_angle_3_deg17.19515153
X-RAY DIFFRACTIONr_dihedral_angle_4_deg14.311156
X-RAY DIFFRACTIONr_gen_planes_refined0.0020.021559
LS refinement shellResolution: 2.8→2.873 Å / Total num. of bins used: 20
RfactorNum. reflection% reflection
Rfree0.478 31 -
Rwork0.417 586 -
obs--99.84 %
Refinement TLS params.

Method: refined / Refine-ID: X-RAY DIFFRACTION

IDL11 (°2)L12 (°2)L13 (°2)L22 (°2)L23 (°2)L33 (°2)S11 (Å °)S12 (Å °)S13 (Å °)S21 (Å °)S22 (Å °)S23 (Å °)S31 (Å °)S32 (Å °)S33 (Å °)T11 (Å2)T12 (Å2)T13 (Å2)T22 (Å2)T23 (Å2)T33 (Å2)Origin x (Å)Origin y (Å)Origin z (Å)
18.9517-0.19281.311119.884-4.96136.8554-0.1608-0.0520.2183-0.2320.1707-0.1361-0.23820.3667-0.00990.0820.0149-0.11630.371-0.040.232715.347818.68160.4609
23.45411.1777-0.71672.5252-0.25071.32870.2174-0.09890.01220.1843-0.1490.253-0.1069-0.3318-0.06840.32640.04420.08720.17770.00880.25812.9689-2.496538.945
Refinement TLS group
IDRefine-IDRefine TLS-IDAuth asym-IDAuth seq-ID
1X-RAY DIFFRACTION1P1 - 94
2X-RAY DIFFRACTION2R8 - 98

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