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- PDB-6y4g: Crystal structure of the human METTL3-METTL14 complex bound to Si... -

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Basic information

Entry
Database: PDB / ID: 6y4g
TitleCrystal structure of the human METTL3-METTL14 complex bound to Sinefungin
Components
  • N6-adenosine-methyltransferase catalytic subunit
  • N6-adenosine-methyltransferase non-catalytic subunit
KeywordsTRANSFERASE / Inhibitor / Complex / METTL3 / Sinefungin / METTL14
Function / homology
Function and homology information


primary miRNA methylation / regulation of meiotic cell cycle / RNA N6-methyladenosine methyltransferase complex / endothelial to hematopoietic transition / mRNA (2'-O-methyladenosine-N6-)-methyltransferase activity / mRNA (N6-adenosine)-methyltransferase activity / mRNA m6A methyltransferase / negative regulation of hematopoietic progenitor cell differentiation / positive regulation of cap-independent translational initiation / adenosine to inosine editing ...primary miRNA methylation / regulation of meiotic cell cycle / RNA N6-methyladenosine methyltransferase complex / endothelial to hematopoietic transition / mRNA (2'-O-methyladenosine-N6-)-methyltransferase activity / mRNA (N6-adenosine)-methyltransferase activity / mRNA m6A methyltransferase / negative regulation of hematopoietic progenitor cell differentiation / positive regulation of cap-independent translational initiation / adenosine to inosine editing / forebrain radial glial cell differentiation / gliogenesis / RNA methylation / RNA methyltransferase activity / S-adenosyl-L-methionine binding / dosage compensation by inactivation of X chromosome / regulation of T cell differentiation / regulation of hematopoietic stem cell differentiation / negative regulation of type I interferon-mediated signaling pathway / primary miRNA processing / Processing of Capped Intron-Containing Pre-mRNA / negative regulation of Notch signaling pathway / mRNA destabilization / stem cell population maintenance / oogenesis / mRNA catabolic process / methyltransferase activity / mRNA splicing, via spliceosome / positive regulation of translation / mRNA methylation / cellular response to UV / circadian rhythm / mRNA processing / spermatogenesis / nuclear speck / protein heterodimerization activity / mRNA binding / cellular response to DNA damage stimulus / innate immune response / nucleoplasm / nucleus / cytoplasm
Similarity search - Function
N6-adenosine-methyltransferase MT-A70-like / MT-A70 / MT-A70-like / MT-A70-like family profile. / S-adenosyl-L-methionine-dependent methyltransferase
Similarity search - Domain/homology
N6-adenosine-methyltransferase catalytic subunit / ACETATE ION / SINEFUNGIN / N6-adenosine-methyltransferase non-catalytic subunit
Similarity search - Component
Biological speciesHomo sapiens (human)
MethodX-RAY DIFFRACTION / SYNCHROTRON / MOLECULAR REPLACEMENT / Resolution: 1.9 Å
AuthorsBedi, R.K. / Omori, E. / Caflisch, A.
Funding support Switzerland, 1items
OrganizationGrant numberCountry
Swiss National Science Foundation310030B_189363 Switzerland
CitationJournal: Chemmedchem / Year: 2020
Title: Small-Molecule Inhibitors of METTL3, the Major Human Epitranscriptomic Writer.
Authors: Bedi, R.K. / Huang, D. / Eberle, S.A. / Wiedmer, L. / Sledz, P. / Caflisch, A.
History
DepositionFeb 20, 2020Deposition site: PDBE / Processing site: PDBE
Revision 1.0Mar 4, 2020Provider: repository / Type: Initial release
Revision 1.1Sep 16, 2020Group: Database references / Category: citation / citation_author
Item: _citation.country / _citation.journal_abbrev ..._citation.country / _citation.journal_abbrev / _citation.journal_id_CSD / _citation.journal_id_ISSN / _citation.journal_volume / _citation.page_first / _citation.page_last / _citation.pdbx_database_id_DOI / _citation.pdbx_database_id_PubMed / _citation.title / _citation.year

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Structure visualization

Structure viewerMolecule:
MolmilJmol/JSmol

Downloads & links

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Assembly

Deposited unit
A: N6-adenosine-methyltransferase catalytic subunit
B: N6-adenosine-methyltransferase non-catalytic subunit
hetero molecules


Theoretical massNumber of molelcules
Total (without water)117,2334
Polymers116,7922
Non-polymers4402
Water6,882382
1


  • Idetical with deposited unit
  • defined by author&software
  • Evidence: gel filtration
TypeNameSymmetry operationNumber
identity operation1_555x,y,z1
Buried area4140 Å2
ΔGint-22 kcal/mol
Surface area18670 Å2
MethodPISA
Unit cell
γ
α
β
Length a, b, c (Å)64.030, 64.030, 225.780
Angle α, β, γ (deg.)90.000, 90.000, 120.000
Int Tables number154
Space group name H-MP3221
Space group name HallP322"
Symmetry operation#1: x,y,z
#2: -y,x-y,z+2/3
#3: -x+y,-x,z+1/3
#4: x-y,-y,-z+1/3
#5: -x,-x+y,-z+2/3
#6: y,x,-z

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Components

#1: Protein N6-adenosine-methyltransferase catalytic subunit / Methyltransferase-like protein 3 / hMETTL3 / N6-adenosine-methyltransferase 70 kDa subunit / MT-A70


Mass: 64562.879 Da / Num. of mol.: 1
Source method: isolated from a genetically manipulated source
Source: (gene. exp.) Homo sapiens (human) / Gene: METTL3, MTA70 / Production host: Spodoptera frugiperda (fall armyworm) / References: UniProt: Q86U44, mRNA m6A methyltransferase
#2: Protein N6-adenosine-methyltransferase non-catalytic subunit / Methyltransferase-like protein 14 / hMETTL14


Mass: 52229.449 Da / Num. of mol.: 1
Source method: isolated from a genetically manipulated source
Source: (gene. exp.) Homo sapiens (human) / Gene: METTL14, KIAA1627 / Production host: Spodoptera frugiperda (fall armyworm) / References: UniProt: Q9HCE5
#3: Chemical ChemComp-SFG / SINEFUNGIN / ADENOSYL-ORNITHINE


Mass: 381.387 Da / Num. of mol.: 1 / Source method: obtained synthetically / Formula: C15H23N7O5 / Feature type: SUBJECT OF INVESTIGATION
#4: Chemical ChemComp-ACT / ACETATE ION / Acetate


Mass: 59.044 Da / Num. of mol.: 1 / Source method: isolated from a natural source / Formula: C2H3O2
#5: Water ChemComp-HOH / water / Water


Mass: 18.015 Da / Num. of mol.: 382 / Source method: isolated from a natural source / Formula: H2O
Has ligand of interestY

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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

Crystal growTemperature: 295 K / Method: vapor diffusion, hanging drop / Details: 20% PEG 3350, 400mM Mg acetate

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Data collection

DiffractionMean temperature: 100 K / Serial crystal experiment: N
Diffraction sourceSource: SYNCHROTRON / Site: SLS / Beamline: X06DA / Wavelength: 1 Å
DetectorType: DECTRIS PILATUS 2M-F / Detector: PIXEL / Date: Feb 16, 2020
RadiationProtocol: SINGLE WAVELENGTH / Monochromatic (M) / Laue (L): M / Scattering type: x-ray
Radiation wavelengthWavelength: 1 Å / Relative weight: 1
ReflectionResolution: 1.9→45.156 Å / Num. obs: 43464 / % possible obs: 99.9 % / Redundancy: 9.83 % / Biso Wilson estimate: 30.4 Å2 / CC1/2: 0.999 / Net I/σ(I): 17.96
Reflection shellResolution: 1.9→2.02 Å / Num. unique obs: 6909 / CC1/2: 0.766

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Processing

Software
NameVersionClassification
XDSdata reduction
XSCALEdata scaling
PHASERphasing
PHENIX1.17.1_3660refinement
RefinementMethod to determine structure: MOLECULAR REPLACEMENT
Starting model: 5L6D
Resolution: 1.9→44.64 Å / SU ML: 0.2305 / Cross valid method: FREE R-VALUE / σ(F): 1.35 / Phase error: 22.3827
Stereochemistry target values: GeoStd + Monomer Library + CDL v1.2
RfactorNum. reflection% reflection
Rfree0.2175 2170 5.01 %
Rwork0.1834 41161 -
obs0.1851 43331 99.84 %
Solvent computationShrinkage radii: 0.9 Å / VDW probe radii: 1.11 Å / Solvent model: FLAT BULK SOLVENT MODEL
Displacement parametersBiso mean: 32.94 Å2
Refinement stepCycle: LAST / Resolution: 1.9→44.64 Å
ProteinNucleic acidLigandSolventTotal
Num. atoms3447 0 31 382 3860
Refine LS restraints
Refine-IDTypeDev idealNumber
X-RAY DIFFRACTIONf_bond_d0.00733579
X-RAY DIFFRACTIONf_angle_d0.89094875
X-RAY DIFFRACTIONf_chiral_restr0.055537
X-RAY DIFFRACTIONf_plane_restr0.0061627
X-RAY DIFFRACTIONf_dihedral_angle_d13.1086477
LS refinement shell
Resolution (Å)Rfactor RfreeNum. reflection RfreeRfactor RworkNum. reflection RworkRefine-ID% reflection obs (%)
1.9-1.950.32871430.28492710X-RAY DIFFRACTION99.34
1.95-1.990.29851400.2642668X-RAY DIFFRACTION99.65
1.99-2.050.28471420.23492687X-RAY DIFFRACTION99.68
2.05-2.110.3041410.22332677X-RAY DIFFRACTION99.82
2.11-2.180.24221430.20732721X-RAY DIFFRACTION99.83
2.18-2.250.25621420.20192684X-RAY DIFFRACTION99.86
2.25-2.340.25761440.19392733X-RAY DIFFRACTION99.86
2.34-2.450.23061440.19292737X-RAY DIFFRACTION99.83
2.45-2.580.25531430.19112707X-RAY DIFFRACTION99.93
2.58-2.740.21261430.19252732X-RAY DIFFRACTION99.97
2.74-2.950.23021450.19172745X-RAY DIFFRACTION99.97
2.95-3.250.21161460.1792764X-RAY DIFFRACTION99.93
3.25-3.720.20141470.16082788X-RAY DIFFRACTION99.97
3.72-4.690.17371490.14242825X-RAY DIFFRACTION100
4.69-44.640.19621580.18892983X-RAY DIFFRACTION99.94

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