- PDB-2qrv: Structure of Dnmt3a-Dnmt3L C-terminal domain complex -
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基本情報
登録情報
データベース: PDB / ID: 2qrv
タイトル
Structure of Dnmt3a-Dnmt3L C-terminal domain complex
要素
DNA (cytosine-5)-methyltransferase 3-like
DNA (cytosine-5)-methyltransferase 3A
キーワード
transferase/transferase regulator / DNA methyltransferase 3a (Dnmt3a) and its regulatory factor / DNA methyltransferase 3-like protein (Dnmt3L) / Nucleus / S-adenosyl-L-methionine / transferase-transferase regulator COMPLEX
機能・相同性
機能・相同性情報
epigenetic programing of female pronucleus / chorionic trophoblast cell differentiation / positive regulation of cellular response to hypoxia / transposable element silencing by piRNA-mediated DNA methylation / transposable element silencing by heterochromatin formation / negative regulation of DNA methylation-dependent heterochromatin formation / protein-cysteine methyltransferase activity / regulatory ncRNA-mediated heterochromatin formation / genomic imprinting / DNA (cytosine-5-)-methyltransferase activity ...epigenetic programing of female pronucleus / chorionic trophoblast cell differentiation / positive regulation of cellular response to hypoxia / transposable element silencing by piRNA-mediated DNA methylation / transposable element silencing by heterochromatin formation / negative regulation of DNA methylation-dependent heterochromatin formation / protein-cysteine methyltransferase activity / regulatory ncRNA-mediated heterochromatin formation / genomic imprinting / DNA (cytosine-5-)-methyltransferase activity / cellular response to bisphenol A / DNA (cytosine-5-)-methyltransferase activity, acting on CpN substrates / DNA (cytosine-5-)-methyltransferase activity, acting on CpNpG substrates / unmethylated CpG binding / DNA (cytosine-5-)-methyltransferase / autosome genomic imprinting / SUMOylation of DNA methylation proteins / ESC/E(Z) complex / XY body / cellular response to ethanol / response to vitamin A / response to ionizing radiation / DNA methylation-dependent constitutive heterochromatin formation / negative regulation of gene expression via chromosomal CpG island methylation / lncRNA binding / hepatocyte apoptotic process / negative regulation of gene expression, epigenetic / male meiosis I / chromosome, centromeric region / catalytic complex / heterochromatin / DNA methylation / enzyme activator activity / 転移酵素; 一炭素原子の基を移すもの; メチル基を移すもの / condensed nuclear chromosome / PRC2 methylates histones and DNA / post-embryonic development / Defective pyroptosis / Regulation of endogenous retroelements by Piwi-interacting RNAs (piRNAs) / stem cell differentiation / cellular response to amino acid stimulus / placenta development / response to cocaine / response to lead ion / euchromatin / RMTs methylate histone arginines / nuclear matrix / response to toxic substance / neuron differentiation / transcription corepressor activity / response to estradiol / spermatogenesis / methylation / cellular response to hypoxia / RNA polymerase II-specific DNA-binding transcription factor binding / RNA polymerase II cis-regulatory region sequence-specific DNA binding / response to xenobiotic stimulus / negative regulation of DNA-templated transcription / chromatin binding / enzyme binding / negative regulation of transcription by RNA polymerase II / DNA binding / zinc ion binding / nucleoplasm / identical protein binding / nucleus / cytosol / cytoplasm 類似検索 - 分子機能
#241 - 2020年1月 20年の分子を振り返って (Twenty Years of Molecules) 類似性 (3)
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集合体
登録構造単位
A: DNA (cytosine-5)-methyltransferase 3A B: DNA (cytosine-5)-methyltransferase 3-like C: DNA (cytosine-5)-methyltransferase 3-like D: DNA (cytosine-5)-methyltransferase 3A E: DNA (cytosine-5)-methyltransferase 3A F: DNA (cytosine-5)-methyltransferase 3-like G: DNA (cytosine-5)-methyltransferase 3-like H: DNA (cytosine-5)-methyltransferase 3A ヘテロ分子
A: DNA (cytosine-5)-methyltransferase 3A B: DNA (cytosine-5)-methyltransferase 3-like C: DNA (cytosine-5)-methyltransferase 3-like D: DNA (cytosine-5)-methyltransferase 3A ヘテロ分子
E: DNA (cytosine-5)-methyltransferase 3A F: DNA (cytosine-5)-methyltransferase 3-like G: DNA (cytosine-5)-methyltransferase 3-like H: DNA (cytosine-5)-methyltransferase 3A ヘテロ分子
There were two tetramer complexes per crystallographic asymmetric unit. Each tetramer contains two pairs of Dnmt3a-3L hetero-dimers (3L-3a-3a-3L) with two 3L-3a interfaces and one 3a-3a interface.
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要素
#1: タンパク質
DNA (cytosine-5)-methyltransferase3A / Dnmt3a / DNA methyltransferase HsaIIIA / DNA MTase HsaIIIA / M.HsaIIIA
マシュー密度: 3.18 Å3/Da / 溶媒含有率: 61.29 % 解説: THERE ARE TWO TETRAMER COMPLEXES PER ASYMMETRIC UNIT. TETRAMER FORMED BY CHAINS A,B,C,D IS MORE STABLE THAN THE TETRAMER FORMED BY CHAINS E,F,G,H. WITHIN EACH TETRAMER, THE DNMT3L MOLECULES ...解説: THERE ARE TWO TETRAMER COMPLEXES PER ASYMMETRIC UNIT. TETRAMER FORMED BY CHAINS A,B,C,D IS MORE STABLE THAN THE TETRAMER FORMED BY CHAINS E,F,G,H. WITHIN EACH TETRAMER, THE DNMT3L MOLECULES HAVE HIGHER B-FACTOR THAN THAT OF DNMT3A, INDICATING DNMT3L MOLECULES - LOCATED IN THE OUTER SURFACES OF TETRAMER - ARE MORE MOBILE.
結晶化
温度: 300 K / 手法: 蒸気拡散法, ハンギングドロップ法 / pH: 8 詳細: The final protein solution CONTAINED ~100 TO 133 micro M COMPLEX IN 20 milli M TRIS/HCL, PH 8.0, 100 milli M NACL, 5 % GLYCEROL, AND 0.1 % MERCAPTOETHANOL. Crystals were obtained with the ...詳細: The final protein solution CONTAINED ~100 TO 133 micro M COMPLEX IN 20 milli M TRIS/HCL, PH 8.0, 100 milli M NACL, 5 % GLYCEROL, AND 0.1 % MERCAPTOETHANOL. Crystals were obtained with the mother liquor containing 2~5 % PEG 3000, 100 mM Tris/HCl, pH 8.0, 5 % glycerol at 16C, VAPOR DIFFUSION, HANGING DROP
解像度: 2.89→38.9 Å / Rfactor Rfree error: 0.005 / Data cutoff high absF: 332407.34 / Data cutoff high rms absF: 332407.34 / Data cutoff low absF: 0 / Isotropic thermal model: RESTRAINED / 交差検証法: THROUGHOUT / σ(F): 2 / 立体化学のターゲット値: ENGH & HUBER 詳細: The non-crystallographic symmetry was used as restrains in the CNS refinement, and was released for the side chains at the later cycles to account for different interaction environments of ...詳細: The non-crystallographic symmetry was used as restrains in the CNS refinement, and was released for the side chains at the later cycles to account for different interaction environments of crystal packing with each molecule. The group B-factor for each residue was refined at the earlier stage of refinement and the individual B-factor for each atom was refined at the later cycles.