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- PDB-2n1b: NMR solution structure of nucleotide-free Ran GTPase -

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Basic information

Entry
Database: PDB / ID: 2n1b
TitleNMR solution structure of nucleotide-free Ran GTPase
ComponentsGTP-binding nuclear protein Ran
KeywordsTRANSPORT PROTEIN / G PROTEIN / NUCLEOTIDE-BINDING / GTP-BINDING / NUCLEUS
Function / homology
Function and homology information


RNA nuclear export complex / pre-miRNA export from nucleus / snRNA import into nucleus / cellular response to mineralocorticoid stimulus / manchette / Regulation of cholesterol biosynthesis by SREBP (SREBF) / importin-alpha family protein binding / protein localization to nucleolus / Rev-mediated nuclear export of HIV RNA / Nuclear import of Rev protein ...RNA nuclear export complex / pre-miRNA export from nucleus / snRNA import into nucleus / cellular response to mineralocorticoid stimulus / manchette / Regulation of cholesterol biosynthesis by SREBP (SREBF) / importin-alpha family protein binding / protein localization to nucleolus / Rev-mediated nuclear export of HIV RNA / Nuclear import of Rev protein / GTP metabolic process / NEP/NS2 Interacts with the Cellular Export Machinery / tRNA processing in the nucleus / Postmitotic nuclear pore complex (NPC) reformation / MicroRNA (miRNA) biogenesis / dynein intermediate chain binding / DNA metabolic process / mitotic sister chromatid segregation / spermatid development / ribosomal large subunit export from nucleus / sperm flagellum / ribosomal small subunit export from nucleus / ribosomal subunit export from nucleus / nuclear pore / centriole / protein export from nucleus / viral process / mitotic spindle organization / G protein activity / male germ cell nucleus / hippocampus development / Transcriptional regulation by small RNAs / Hydrolases; Acting on acid anhydrides; Acting on GTP to facilitate cellular and subcellular movement / recycling endosome / positive regulation of protein import into nucleus / protein import into nucleus / GDP binding / melanosome / positive regulation of protein binding / nuclear envelope / mitotic cell cycle / midbody / actin cytoskeleton organization / cadherin binding / protein heterodimerization activity / protein domain specific binding / cell division / GTPase activity / chromatin binding / chromatin / nucleolus / GTP binding / magnesium ion binding / protein-containing complex / RNA binding / extracellular exosome / nucleoplasm / membrane / nucleus / cytosol / cytoplasm
Similarity search - Function
small GTPase Ran family profile. / Ran GTPase / Ran (Ras-related nuclear proteins) /TC4 subfamily of small GTPases / Rho (Ras homology) subfamily of Ras-like small GTPases / Ras subfamily of RAS small GTPases / Small GTPase / Ras family / Rab subfamily of small GTPases / Small GTP-binding protein domain / P-loop containing nucleotide triphosphate hydrolases ...small GTPase Ran family profile. / Ran GTPase / Ran (Ras-related nuclear proteins) /TC4 subfamily of small GTPases / Rho (Ras homology) subfamily of Ras-like small GTPases / Ras subfamily of RAS small GTPases / Small GTPase / Ras family / Rab subfamily of small GTPases / Small GTP-binding protein domain / P-loop containing nucleotide triphosphate hydrolases / P-loop containing nucleoside triphosphate hydrolase / Rossmann fold / 3-Layer(aba) Sandwich / Alpha Beta
Similarity search - Domain/homology
GTP-binding nuclear protein Ran
Similarity search - Component
Biological speciesHomo sapiens (human)
MethodSOLUTION NMR / torsion angle dynamics
AuthorsBacot-Davis, V.R. / Palmenberg, A.C.
CitationJournal: To be Published
Title: NMR Structure of Ran GTPase Determines C-terminal Tail Conformational Dynamics.
Authors: Bacot-Davis, V.R. / Palmenberg, A.C.
History
DepositionMar 26, 2015Deposition site: BMRB / Processing site: RCSB
Revision 1.0Apr 20, 2016Provider: repository / Type: Initial release
Revision 1.1Jun 14, 2023Group: Data collection / Database references / Other
Category: database_2 / pdbx_database_status ...database_2 / pdbx_database_status / pdbx_nmr_spectrometer / struct_ref_seq_dif
Item: _database_2.pdbx_DOI / _database_2.pdbx_database_accession ..._database_2.pdbx_DOI / _database_2.pdbx_database_accession / _pdbx_database_status.status_code_nmr_data / _pdbx_nmr_spectrometer.model / _struct_ref_seq_dif.details
Revision 1.2May 15, 2024Group: Data collection / Database references / Category: chem_comp_atom / chem_comp_bond / database_2 / Item: _database_2.pdbx_DOI

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Structure visualization

Structure viewerMolecule:
MolmilJmol/JSmol

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Assembly

Deposited unit
A: GTP-binding nuclear protein Ran


Theoretical massNumber of molelcules
Total (without water)29,4001
Polymers29,4001
Non-polymers00
Water0
1


  • Idetical with deposited unit
  • defined by author
TypeNameSymmetry operationNumber
identity operation1_555x,y,z1
NMR ensembles
DataCriteria
Number of conformers (submitted / calculated)10 / 50structures with the least restraint violations
RepresentativeModel #1fewest violations

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Components

#1: Protein GTP-binding nuclear protein Ran / Androgen receptor-associated protein 24 / GTPase Ran / Ras-like protein TC4 / Ras-related nuclear protein


Mass: 29400.385 Da / Num. of mol.: 1
Source method: isolated from a genetically manipulated source
Source: (gene. exp.) Homo sapiens (human) / Gene: ARA24, OK/SW-cl.81, RAN / Plasmid: pRSET-a / Production host: Escherichia coli (E. coli) / References: UniProt: P62826

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Experimental details

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Experiment

ExperimentMethod: SOLUTION NMR
NMR experiment
Conditions-IDExperiment-IDSolution-IDType
1112D 1H-15N HSQC
1212D 1H-13C HSQC
1313D CBCA(CO)NH
1413D HBHA(CO)NH
1513D C(CO)NH
1613D H(CCO)NH
1712D 1H-1H TOCSY
1813D 1H-13C NOESY
1913D 1H-15N NOESY
11013D HN(CA)CB
111131P NMR

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Sample preparation

DetailsContents: 0.5 mM [U-100% 13C; U-100% 15N] RAN GTPASE, 20 mM HEPES, 2 mM DTT, 0.04 % sodium azide, 100 mM potassium chloride, 2 mM magnesium chloride, 90% H2O/10% D2O
Solvent system: 90% H2O/10% D2O
Sample
Conc. (mg/ml)ComponentIsotopic labelingSolution-ID
0.5 mMRAN GTPASE-1[U-100% 13C; U-100% 15N]1
20 mMHEPES-21
2 mMDTT-31
0.04 %sodium azide-41
100 mMpotassium chloride-51
2 mMmagnesium chloride-61
Sample conditionsIonic strength: 102 / pH: 7.4 / Pressure: ambient / Temperature: 298 K

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NMR measurement

NMR spectrometerType: Bruker Avance / Manufacturer: Bruker / Model: AVANCE / Field strength: 600 MHz

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Processing

NMR softwareName: CYANA / Developer: Guntert, P. et al. / Classification: refinement
RefinementMethod: torsion angle dynamics / Software ordinal: 1 / Details: KING AND MODREFINER FOLLOWING CYANA
NMR representativeSelection criteria: fewest violations
NMR ensembleConformer selection criteria: structures with the least restraint violations
Conformers calculated total number: 50 / Conformers submitted total number: 10

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