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Basic information

Entry
Database: PDB / ID: 3ncu
TitleStructural and functional insights into pattern recognition by the innate immune receptor RIG-I
Components
  • 5'-R(*(GDP)P*AP*CP*GP*CP*UP*AP*GP*CP*GP*UP*C)-3'
  • RIG-I
KeywordsRNA BINDING PROTEIN/RNA / innate immune receptor / RIG-I c-terminal domain / RNA BINDING PROTEIN-RNA complex
Function / homology
Function and homology information


regulation of type III interferon production / RIG-I signaling pathway / positive regulation of myeloid dendritic cell cytokine production / OAS antiviral response / detection of virus / NF-kB activation through FADD/RIP-1 pathway mediated by caspase-8 and -10 / positive regulation of response to cytokine stimulus / positive regulation of granulocyte macrophage colony-stimulating factor production / TRAF6 mediated IRF7 activation / cytoplasmic pattern recognition receptor signaling pathway ...regulation of type III interferon production / RIG-I signaling pathway / positive regulation of myeloid dendritic cell cytokine production / OAS antiviral response / detection of virus / NF-kB activation through FADD/RIP-1 pathway mediated by caspase-8 and -10 / positive regulation of response to cytokine stimulus / positive regulation of granulocyte macrophage colony-stimulating factor production / TRAF6 mediated IRF7 activation / cytoplasmic pattern recognition receptor signaling pathway / pattern recognition receptor activity / cellular response to exogenous dsRNA / RSV-host interactions / response to exogenous dsRNA / TRAF6 mediated NF-kB activation / positive regulation of interferon-alpha production / bicellular tight junction / positive regulation of defense response to virus by host / antiviral innate immune response / positive regulation of interferon-beta production / regulation of cell migration / positive regulation of interleukin-8 production / Negative regulators of DDX58/IFIH1 signaling / DDX58/IFIH1-mediated induction of interferon-alpha/beta / response to virus / Evasion by RSV of host interferon responses / positive regulation of interleukin-6 production / ISG15 antiviral mechanism / ruffle membrane / positive regulation of tumor necrosis factor production / SARS-CoV-1 activates/modulates innate immune responses / Ovarian tumor domain proteases / actin cytoskeleton / double-stranded RNA binding / TRAF3-dependent IRF activation pathway / double-stranded DNA binding / gene expression / defense response to virus / single-stranded RNA binding / RNA helicase activity / Ub-specific processing proteases / RNA helicase / ribonucleoprotein complex / chromatin extrusion motor activity / ATP-dependent H2AZ histone chaperone activity / ATP-dependent H3-H4 histone complex chaperone activity / cohesin loader activity / DNA clamp loader activity / innate immune response / ubiquitin protein ligase binding / positive regulation of gene expression / GTP binding / SARS-CoV-2 activates/modulates innate and adaptive immune responses / positive regulation of transcription by RNA polymerase II / ATP hydrolysis activity / zinc ion binding / ATP binding / identical protein binding / cytosol / cytoplasm
Similarity search - Function
RIG-I-like receptor, C-terminal regulatory domain / RIG-I, CARD domain repeat 2 / Metal Binding Protein, Guanine Nucleotide Exchange Factor; Chain A / RIG-I-like receptor, C-terminal / RIG-I receptor C-terminal domain / RIG-I-like receptor, C-terminal regulatory domain / RIG-I-like receptor, C-terminal domain superfamily / : / C-terminal domain of RIG-I / RIG-I-like receptor (RLR) C-terminal regulatory (CTR) domain profile. ...RIG-I-like receptor, C-terminal regulatory domain / RIG-I, CARD domain repeat 2 / Metal Binding Protein, Guanine Nucleotide Exchange Factor; Chain A / RIG-I-like receptor, C-terminal / RIG-I receptor C-terminal domain / RIG-I-like receptor, C-terminal regulatory domain / RIG-I-like receptor, C-terminal domain superfamily / : / C-terminal domain of RIG-I / RIG-I-like receptor (RLR) C-terminal regulatory (CTR) domain profile. / Caspase recruitment domain / Caspase recruitment domain / Death-like domain superfamily / DEAD/DEAH box helicase domain / DEAD/DEAH box helicase / Beta Complex / Helicase conserved C-terminal domain / helicase superfamily c-terminal domain / Superfamilies 1 and 2 helicase C-terminal domain profile. / Superfamilies 1 and 2 helicase ATP-binding type-1 domain profile. / DEAD-like helicases superfamily / Helicase, C-terminal / Helicase superfamily 1/2, ATP-binding domain / P-loop containing nucleoside triphosphate hydrolase / Mainly Beta
Similarity search - Domain/homology
RNA / RNA (> 10) / Antiviral innate immune response receptor RIG-I
Similarity search - Component
Biological speciesHomo sapiens (human)
MethodX-RAY DIFFRACTION / SYNCHROTRON / MOLECULAR REPLACEMENT / Resolution: 2.55 Å
AuthorsSheng, G. / Li, H.
CitationJournal: Nat.Struct.Mol.Biol. / Year: 2010
Title: Structural and functional insights into 5'-ppp RNA pattern recognition by the innate immune receptor RIG-I.
Authors: Wang, Y. / Ludwig, J. / Schuberth, C. / Goldeck, M. / Schlee, M. / Li, H. / Juranek, S. / Sheng, G. / Micura, R. / Tuschl, T. / Hartmann, G. / Patel, D.J.
History
DepositionJun 5, 2010Deposition site: RCSB / Processing site: RCSB
Revision 1.0Jun 30, 2010Provider: repository / Type: Initial release
Revision 1.1Jul 13, 2011Group: Version format compliance
Revision 1.2Sep 6, 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_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_seq_id / _pdbx_struct_conn_angle.ptnr1_label_seq_id / _pdbx_struct_conn_angle.ptnr3_auth_seq_id / _pdbx_struct_conn_angle.ptnr3_label_seq_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_comp_id / _struct_conn.ptnr1_auth_seq_id / _struct_conn.ptnr1_label_asym_id / _struct_conn.ptnr1_label_atom_id / _struct_conn.ptnr1_label_comp_id / _struct_conn.ptnr1_label_seq_id / _struct_conn.ptnr2_auth_asym_id / _struct_conn.ptnr2_auth_comp_id / _struct_conn.ptnr2_auth_seq_id / _struct_conn.ptnr2_label_asym_id / _struct_conn.ptnr2_label_atom_id / _struct_conn.ptnr2_label_comp_id / _struct_conn.ptnr2_label_seq_id / _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
A: RIG-I
B: RIG-I
C: 5'-R(*(GDP)P*AP*CP*GP*CP*UP*AP*GP*CP*GP*UP*C)-3'
D: 5'-R(*(GDP)P*AP*CP*GP*CP*UP*AP*GP*CP*GP*UP*C)-3'
hetero molecules


Theoretical massNumber of molelcules
Total (without water)39,2646
Polymers39,1334
Non-polymers1312
Water1,838102
1


  • Idetical with deposited unit
  • defined by software
TypeNameSymmetry operationNumber
identity operation1_555x,y,z1
Buried area4290 Å2
ΔGint-24 kcal/mol
Surface area16080 Å2
MethodPISA
Unit cell
Length a, b, c (Å)83.462, 83.462, 110.364
Angle α, β, γ (deg.)90.00, 90.00, 120.00
Int Tables number170
Space group name H-MP65

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Components

#1: Protein RIG-I / DEAD box protein 58 / Retinoic acid-inducible gene 1 protein / Retinoic acid-inducible gene I protein / RIG-1


Mass: 15659.178 Da / Num. of mol.: 2 / Fragment: residues 792-925
Source method: isolated from a genetically manipulated source
Source: (gene. exp.) Homo sapiens (human) / Gene: DDX58, RIG-I / Plasmid: PET-SUMO / Production host: Escherichia coli (E. coli) / Strain (production host): BL21(DE3)
References: UniProt: O95786, Hydrolases; Acting on acid anhydrides; In phosphorus-containing anhydrides
#2: RNA chain 5'-R(*(GDP)P*AP*CP*GP*CP*UP*AP*GP*CP*GP*UP*C)-3'


Mass: 3907.316 Da / Num. of mol.: 2 / Source method: obtained synthetically
#3: Chemical ChemComp-ZN / ZINC ION


Mass: 65.409 Da / Num. of mol.: 2 / Source method: obtained synthetically / Formula: Zn
#4: Water ChemComp-HOH / water


Mass: 18.015 Da / Num. of mol.: 102 / 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: 2.84 Å3/Da / Density % sol: 56.62 %
Crystal growTemperature: 277 K / Method: vapor diffusion, hanging drop / pH: 7.5
Details: 27% (v/v) polyethylene glycerol 3350 (PEG 3350), 50 mM Tris-HCl, pH 7.5, 0.1 M KCl, and 10 mM MgCl2 , VAPOR DIFFUSION, HANGING DROP, temperature 277K

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Data collection

DiffractionMean temperature: 100 K
Diffraction sourceSource: SYNCHROTRON / Site: BSRF / Beamline: 3W1A / Wavelength: 1 Å
DetectorType: MARMOSAIC 325 mm CCD / Detector: CCD / Date: Feb 1, 2010
RadiationProtocol: SINGLE WAVELENGTH / Monochromatic (M) / Laue (L): M / Scattering type: x-ray
Radiation wavelengthWavelength: 1 Å / Relative weight: 1
ReflectionResolution: 2.55→50 Å / Num. all: 2 / Num. obs: 14237 / % possible obs: 99.9 % / Redundancy: 9.6 % / Rmerge(I) obs: 0.087 / Net I/σ(I): 23.9
Reflection shellResolution: 2.55→2.59 Å / Rmerge(I) obs: 0.4 / Mean I/σ(I) obs: 4 / Num. unique all: 734 / % possible all: 100

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Processing

Software
NameVersionClassification
HKL-2000data collection
PHASERphasing
PHENIX(phenix.refine: 1.6.1_357)refinement
HKL-2000data reduction
HKL-2000data scaling
RefinementMethod to determine structure: MOLECULAR REPLACEMENT
Starting model: 2qfb

2qfb


Resolution: 2.55→39.034 Å / SU ML: 0.33 / Cross valid method: THROUGHOUT / σ(F): 0.2 / Stereochemistry target values: ML
RfactorNum. reflection% reflectionSelection details
Rfree0.2289 712 5.01 %RANDOM
Rwork0.1901 ---
obs0.1921 14204 99.91 %-
Solvent computationShrinkage radii: 0.9 Å / VDW probe radii: 1.11 Å / Solvent model: FLAT BULK SOLVENT MODEL / Bsol: 41.912 Å2 / ksol: 0.305 e/Å3
Displacement parameters
Baniso -1Baniso -2Baniso -3
1-3.8184 Å2-0 Å2-0 Å2
2--3.8184 Å2-0 Å2
3----7.6368 Å2
Refinement stepCycle: LAST / Resolution: 2.55→39.034 Å
ProteinNucleic acidLigandSolventTotal
Num. atoms1978 522 2 102 2604
Refine LS restraints
Refine-IDTypeDev idealNumber
X-RAY DIFFRACTIONf_bond_d0.0112622
X-RAY DIFFRACTIONf_angle_d0.7853654
X-RAY DIFFRACTIONf_dihedral_angle_d20.5211086
X-RAY DIFFRACTIONf_chiral_restr0.057406
X-RAY DIFFRACTIONf_plane_restr0.003368
LS refinement shell
Resolution (Å)Rfactor RfreeNum. reflection RfreeRfactor RworkNum. reflection RworkRefine-ID% reflection obs (%)
2.55-2.74920.28591520.23772661X-RAY DIFFRACTION100
2.7492-3.02570.28851370.22642699X-RAY DIFFRACTION100
3.0257-3.46330.27191560.21222692X-RAY DIFFRACTION100
3.4633-4.36250.20471380.18042695X-RAY DIFFRACTION100
4.3625-39.03830.17011290.15612745X-RAY DIFFRACTION100

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