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- PDB-7dsa: Crystal structure of actin capping protein in complex with V-1 (s... -

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Basic information

Entry
Database: PDB / ID: 7dsa
TitleCrystal structure of actin capping protein in complex with V-1 (space group P62)
Components
  • F-actin-capping protein subunit alpha-1
  • F-actin-capping protein subunit beta isoforms 1
  • Myotrophin
KeywordsCYTOSOLIC PROTEIN / actin dynamics / actin capping protein / twinfilin / CARMIL / V-1
Function / homology
Function and homology information


positive regulation of macromolecule biosynthetic process / regulation of barbed-end actin filament capping / Advanced glycosylation endproduct receptor signaling / RHOD GTPase cycle / RHOF GTPase cycle / HSP90 chaperone cycle for steroid hormone receptors (SHR) in the presence of ligand / COPI-independent Golgi-to-ER retrograde traffic / Factors involved in megakaryocyte development and platelet production / COPI-mediated anterograde transport / negative regulation of filopodium assembly ...positive regulation of macromolecule biosynthetic process / regulation of barbed-end actin filament capping / Advanced glycosylation endproduct receptor signaling / RHOD GTPase cycle / RHOF GTPase cycle / HSP90 chaperone cycle for steroid hormone receptors (SHR) in the presence of ligand / COPI-independent Golgi-to-ER retrograde traffic / Factors involved in megakaryocyte development and platelet production / COPI-mediated anterograde transport / negative regulation of filopodium assembly / regulation of striated muscle tissue development / sperm head-tail coupling apparatus / F-actin capping protein complex / WASH complex / cell junction assembly / barbed-end actin filament capping / actin polymerization or depolymerization / regulation of lamellipodium assembly / regulation of cell morphogenesis / lamellipodium assembly / positive regulation of cardiac muscle hypertrophy / regulation of cell size / cortical cytoskeleton / positive regulation of protein metabolic process / brush border / cytoskeleton organization / hippocampal mossy fiber to CA3 synapse / positive regulation of NF-kappaB transcription factor activity / Schaffer collateral - CA1 synapse / Z disc / cell morphogenesis / neuron differentiation / actin filament binding / lamellipodium / regulation of translation / actin cytoskeleton organization / positive regulation of cell growth / postsynaptic density / perinuclear region of cytoplasm / nucleus / membrane / plasma membrane / cytoplasm / cytosol
Similarity search - Function
F-actin-capping protein subunit beta / F-actin capping protein, beta subunit, conserved site / F-actin-capping protein subunit beta, N-terminal domain / F-actin capping protein, beta subunit / F-actin capping protein beta subunit signature. / F-actin capping protein, alpha subunit, conserved site / F-actin capping protein alpha subunit signature 1. / F-actin capping protein alpha subunit signature 2. / F-actin-capping protein subunit alpha / F-actin-capping protein subunit alpha/beta ...F-actin-capping protein subunit beta / F-actin capping protein, beta subunit, conserved site / F-actin-capping protein subunit beta, N-terminal domain / F-actin capping protein, beta subunit / F-actin capping protein beta subunit signature. / F-actin capping protein, alpha subunit, conserved site / F-actin capping protein alpha subunit signature 1. / F-actin capping protein alpha subunit signature 2. / F-actin-capping protein subunit alpha / F-actin-capping protein subunit alpha/beta / F-actin-capping protein subunit alpha/beta, domain 2 / F-actin capping protein, alpha subunit, domain 1 / F-actin capping protein alpha subunit / Ankyrin repeats (3 copies) / Ankyrin repeat profile. / Ankyrin repeat region circular profile. / ankyrin repeats / Ankyrin repeat / Ankyrin repeat-containing domain superfamily
Similarity search - Domain/homology
F-actin-capping protein subunit alpha-1 / F-actin-capping protein subunit beta isoforms 1 and 2 / Myotrophin
Similarity search - Component
Biological speciesGallus gallus (chicken)
Homo sapiens (human)
MethodX-RAY DIFFRACTION / SYNCHROTRON / MOLECULAR REPLACEMENT / molecular replacement / Resolution: 2.8 Å
AuthorsTakeda, S.
Funding support Japan, 3items
OrganizationGrant numberCountry
Japan Society for the Promotion of Science (JSPS)16K17708 Japan
Japan Society for the Promotion of Science (JSPS)17K07373 Japan
Japan Society for the Promotion of Science (JSPS)20K06522 Japan
CitationJournal: J.Mol.Biol. / Year: 2021
Title: Structural Insights into the Regulation of Actin Capping Protein by Twinfilin C-terminal Tail.
Authors: Takeda, S. / Koike, R. / Fujiwara, I. / Narita, A. / Miyata, M. / Ota, M. / Maeda, Y.
History
DepositionDec 30, 2020Deposition site: PDBJ / Processing site: PDBJ
Revision 1.0Mar 3, 2021Provider: repository / Type: Initial release
Revision 1.1Mar 17, 2021Group: Database references / Category: citation / citation_author
Item: _citation.page_first / _citation.page_last ..._citation.page_first / _citation.page_last / _citation.pdbx_database_id_PubMed / _citation.title / _citation_author.identifier_ORCID
Revision 1.2Apr 7, 2021Group: Database references / Category: citation / Item: _citation.journal_volume / _citation.title
Revision 1.3Nov 29, 2023Group: Data collection / Database references / Refinement description
Category: chem_comp_atom / chem_comp_bond ...chem_comp_atom / chem_comp_bond / database_2 / pdbx_initial_refinement_model
Item: _database_2.pdbx_DOI / _database_2.pdbx_database_accession

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Structure visualization

Structure viewerMolecule:
MolmilJmol/JSmol

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Assembly

Deposited unit
A: F-actin-capping protein subunit alpha-1
B: F-actin-capping protein subunit beta isoforms 1
C: Myotrophin
hetero molecules


Theoretical massNumber of molelcules
Total (without water)73,8485
Polymers73,7993
Non-polymers492
Water1,78399
1


  • Idetical with deposited unit
  • defined by author
  • Evidence: gel filtration
TypeNameSymmetry operationNumber
identity operation1_555x,y,z1
Unit cell
Length a, b, c (Å)160.293, 160.293, 51.999
Angle α, β, γ (deg.)90.000, 90.000, 120.000
Int Tables number171
Space group name H-MP62
Symmetry operation#1: x,y,z
#2: x-y,x,z+1/3
#3: y,-x+y,z+2/3
#4: -y,x-y,z+2/3
#5: -x+y,-x,z+1/3
#6: -x,-y,z

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Components

#1: Protein F-actin-capping protein subunit alpha-1 / Beta-actinin subunit I / CapZ 36/32


Mass: 33001.789 Da / Num. of mol.: 1
Source method: isolated from a genetically manipulated source
Source: (gene. exp.) Gallus gallus (chicken) / Gene: CAPZA1 / Production host: Escherichia coli (E. coli) / References: UniProt: P13127
#2: Protein F-actin-capping protein subunit beta isoforms 1 / Beta-actinin subunit II / CapZ 36/32 / CapZ B1 and B2


Mass: 27473.070 Da / Num. of mol.: 1
Source method: isolated from a genetically manipulated source
Source: (gene. exp.) Gallus gallus (chicken) / Gene: CAPZB / Production host: Escherichia coli (E. coli) / References: UniProt: P14315
#3: Protein Myotrophin / Protein V-1


Mass: 13324.238 Da / Num. of mol.: 1
Source method: isolated from a genetically manipulated source
Source: (gene. exp.) Homo sapiens (human) / Gene: MTPN / Production host: Escherichia coli (E. coli) / References: UniProt: P58546
#4: Chemical ChemComp-MG / MAGNESIUM ION


Mass: 24.305 Da / Num. of mol.: 2 / Source method: obtained synthetically / Formula: Mg
#5: Water ChemComp-HOH / water


Mass: 18.015 Da / Num. of mol.: 99 / Source method: isolated from a natural source / Formula: H2O
Has ligand of interestN

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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: 2.61 Å3/Da / Density % sol: 52.93 %
Crystal growTemperature: 293 K / Method: vapor diffusion, hanging drop / Details: 20% (w/v) PEG 3350, 0.2M Magnesium Acetate

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Data collection

DiffractionMean temperature: 90 K / Serial crystal experiment: N
Diffraction sourceSource: SYNCHROTRON / Site: AichiSR / Beamline: BL2S1 / Wavelength: 1.12 Å
DetectorType: ADSC QUANTUM 270 / Detector: CCD / Date: Nov 26, 2020
RadiationProtocol: SINGLE WAVELENGTH / Monochromatic (M) / Laue (L): M / Scattering type: x-ray
Radiation wavelengthWavelength: 1.12 Å / Relative weight: 1
ReflectionResolution: 2.8→46.27 Å / Num. obs: 19202 / % possible obs: 100 % / Redundancy: 11.067 % / Biso Wilson estimate: 41.303 Å2 / CC1/2: 0.993 / Rmerge(I) obs: 0.266 / Rrim(I) all: 0.279 / Χ2: 0.797 / Net I/σ(I): 11.71 / Num. measured all: 212512
Reflection shell

Diffraction-ID: 1

Resolution (Å)Redundancy (%)Rmerge(I) obsMean I/σ(I) obsNum. measured obsNum. possibleNum. unique obsCC1/2Rrim(I) all% possible all
2.8-2.9710.971.3662.133580306130610.7051.433100
2.97-3.1711.2010.8933.3132170287228720.8610.936100
3.17-3.4211.2110.5665.2930381271027100.9450.593100
3.42-3.7511.2120.3319.0527941249224920.980.347100
3.75-4.1911.1520.21313.2624892223322320.9910.223100
4.19-4.8311.1060.12421.1922168199619960.9960.13100
4.83-5.911.0590.12220.0318855170517050.9970.128100
5.9-8.2810.8680.10922.0614596134313430.9970.114100
8.28-46.2710.0240.04245.9792979679110.04499.4

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Phasing

PhasingMethod: molecular replacement

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Processing

Software
NameVersionClassification
PHENIX1.18refinement
XDSdata reduction
XSCALEdata scaling
MOLREPphasing
PDB_EXTRACT3.27data extraction
RefinementMethod to determine structure: MOLECULAR REPLACEMENT
Starting model: 3aaa

3aaa


Resolution: 2.8→46.27 Å / SU ML: 0.38 / Cross valid method: THROUGHOUT / σ(F): 1.36 / Phase error: 25.67 / Stereochemistry target values: ML
RfactorNum. reflection% reflection
Rfree0.2537 961 5.01 %
Rwork0.213 18231 -
obs0.215 19192 99.95 %
Solvent computationShrinkage radii: 0.9 Å / VDW probe radii: 1.11 Å / Solvent model: FLAT BULK SOLVENT MODEL
Displacement parametersBiso max: 106.75 Å2 / Biso mean: 45.2927 Å2 / Biso min: 16.21 Å2
Refinement stepCycle: final / Resolution: 2.8→46.27 Å
ProteinNucleic acidLigandSolventTotal
Num. atoms4865 0 2 101 4968
Biso mean--40.44 33.65 -
Num. residues----620
LS refinement shell

Refine-ID: X-RAY DIFFRACTION / Rfactor Rfree error: 0 / Total num. of bins used: 7 / % reflection obs: 100 %

Resolution (Å)Rfactor RfreeNum. reflection RfreeRfactor RworkNum. reflection RworkNum. reflection all
2.8-2.940.33121370.276125862723
2.94-3.130.35661350.266925632698
3.13-3.370.34841360.255525892725
3.37-3.710.23971360.216425892725
3.71-4.250.22291370.199926032740
4.25-5.350.21131370.17226122749
5.35-46.270.21541430.198326892832

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