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- PDB-1ta0: Three-dimensional structure of a RNA-polymerase II binding protei... -

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Basic information

Entry
Database: PDB / ID: 1ta0
TitleThree-dimensional structure of a RNA-polymerase II binding protein with associated ligand.
ComponentsCarboxy-terminal domain RNA polymerase II polypeptide A small phosphatase 1
KeywordsHYDROLASE / alpha-beta protein
Function / homology
Function and homology information


RNA polymerase II CTD heptapeptide repeat phosphatase activity / myosin phosphatase activity / negative regulation of G1/S transition of mitotic cell cycle / protein-serine/threonine phosphatase / negative regulation of neuron differentiation / protein dephosphorylation / negative regulation of protein phosphorylation / negative regulation of neurogenesis / regulation of transcription by RNA polymerase II / extracellular exosome ...RNA polymerase II CTD heptapeptide repeat phosphatase activity / myosin phosphatase activity / negative regulation of G1/S transition of mitotic cell cycle / protein-serine/threonine phosphatase / negative regulation of neuron differentiation / protein dephosphorylation / negative regulation of protein phosphorylation / negative regulation of neurogenesis / regulation of transcription by RNA polymerase II / extracellular exosome / nucleoplasm / metal ion binding / nucleus
Similarity search - Function
Dullard phosphatase domain, eukaryotic / CTD small RNA polymerase II polypeptide A phosphatase-like / FCP1 homology domain / NLI interacting factor-like phosphatase / FCP1 homology domain profile. / catalytic domain of ctd-like phosphatases / HAD superfamily/HAD-like / HAD superfamily / HAD-like superfamily / Rossmann fold ...Dullard phosphatase domain, eukaryotic / CTD small RNA polymerase II polypeptide A phosphatase-like / FCP1 homology domain / NLI interacting factor-like phosphatase / FCP1 homology domain profile. / catalytic domain of ctd-like phosphatases / HAD superfamily/HAD-like / HAD superfamily / HAD-like superfamily / Rossmann fold / 3-Layer(aba) Sandwich / Alpha Beta
Similarity search - Domain/homology
CITRIC ACID / Carboxy-terminal domain RNA polymerase II polypeptide A small phosphatase 1
Similarity search - Component
Biological speciesHomo sapiens (human)
MethodX-RAY DIFFRACTION / SYNCHROTRON / MOLECULAR REPLACEMENT / Resolution: 2.1 Å
AuthorsKamenski, T. / Heilmeier, S. / Meinhart, T. / Cramer, P.
CitationJournal: Mol.Cell / Year: 2004
Title: Structure and Mechanism of RNA Polymerase II CTD Phosphatases.
Authors: Kamenski, T. / Heilmeier, S. / Meinhart, T. / Cramer, P.
History
DepositionMay 19, 2004Deposition site: RCSB / Processing site: RCSB
Revision 1.0Aug 31, 2004Provider: repository / Type: Initial release
Revision 1.1Apr 30, 2008Group: Version format compliance
Revision 1.2Jul 13, 2011Group: Version format compliance

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Structure visualization

Structure viewerMolecule:
MolmilJmol/JSmol

Downloads & links

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Assembly

Deposited unit
A: Carboxy-terminal domain RNA polymerase II polypeptide A small phosphatase 1
hetero molecules


Theoretical massNumber of molelcules
Total (without water)22,9323
Polymers22,7161
Non-polymers2162
Water2,666148
1


  • Idetical with deposited unit
  • defined by author
TypeNameSymmetry operationNumber
identity operation1_555x,y,z1
Unit cell
Length a, b, c (Å)117.820, 47.170, 40.070
Angle α, β, γ (deg.)90.00, 90.00, 90.00
Int Tables number18
Space group name H-MP21212

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Components

#1: Protein Carboxy-terminal domain RNA polymerase II polypeptide A small phosphatase 1 / Nuclear LIM interactor-interacting factor 3 / NLI-interacting factor 3 / NLI-IF


Mass: 22715.732 Da / Num. of mol.: 1
Source method: isolated from a genetically manipulated source
Source: (gene. exp.) Homo sapiens (human) / Gene: CTDSP1, NIF3, NLIIF / Plasmid: pET21b / Production host: Escherichia coli (E. coli) / Strain (production host): BL21(DE3)-RIL
References: UniProt: Q9GZU7, protein-serine/threonine phosphatase
#2: Chemical ChemComp-MG / MAGNESIUM ION


Mass: 24.305 Da / Num. of mol.: 1 / Source method: obtained synthetically / Formula: Mg
#3: Chemical ChemComp-CIT / CITRIC ACID / Citric acid


Mass: 192.124 Da / Num. of mol.: 1 / Source method: obtained synthetically / Formula: C6H8O7
#4: Water ChemComp-HOH / water / Water


Mass: 18.015 Da / Num. of mol.: 148 / 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: 1.3 Å3/Da / Density % sol: 54 %
Crystal growTemperature: 293 K / Method: vapor diffusion, hanging drop / pH: 5.6
Details: PEG 3300, ammonium acetate, citrate buffer, DTT , pH 5.6, VAPOR DIFFUSION, HANGING DROP, temperature 293K

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Data collection

DiffractionMean temperature: 100 K
Diffraction sourceSource: SYNCHROTRON / Site: SLS / Beamline: X06SA / Wavelength: 0.9919 Å
DetectorType: MARRESEARCH / Detector: CCD / Date: Feb 22, 2004
RadiationProtocol: SINGLE WAVELENGTH / Monochromatic (M) / Laue (L): M / Scattering type: x-ray
Radiation wavelengthWavelength: 0.9919 Å / Relative weight: 1
ReflectionResolution: 2.1→20 Å / Num. all: 13642 / Num. obs: 13356 / % possible obs: 97.7 % / Observed criterion σ(F): 0 / Observed criterion σ(I): 0 / Redundancy: 3.8 % / Rmerge(I) obs: 0.057
Reflection shellResolution: 2.1→2.2 Å / Rmerge(I) obs: 0.062 / Mean I/σ(I) obs: 16.8 / Num. unique all: 1520 / % possible all: 87.5

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Processing

Software
NameClassification
XDSdata scaling
XDSdata reduction
CNSrefinement
CNSphasing
RefinementMethod to determine structure: MOLECULAR REPLACEMENT / Resolution: 2.1→20 Å / σ(F): 0 / σ(I): 0 / Stereochemistry target values: Engh & Huber
RfactorNum. reflection% reflectionSelection details
Rfree0.227 647 -random
Rwork0.207 ---
all-13642 --
obs-13356 97.7 %-
Refinement stepCycle: LAST / Resolution: 2.1→20 Å
ProteinNucleic acidLigandSolventTotal
Num. atoms1475 0 14 148 1637
Refine LS restraints
Refine-IDTypeDev ideal
X-RAY DIFFRACTIONc_bond_d0.006
X-RAY DIFFRACTIONc_angle_d1.25
LS refinement shellResolution: 2.1→2.16 Å /
RfactorNum. reflection
Rfree0.212 45
Rwork0.188 -
obs-895

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