- PDB-8fim: Structure of APOBEC3A (E72A inactive mutant) in complex with TTC-... -
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基本情報
登録情報
データベース: PDB / ID: 8fim
タイトル
Structure of APOBEC3A (E72A inactive mutant) in complex with TTC-hairpin DNA substrate
要素
DNA (5'-D(*TP*GP*CP*GP*CP*TP*TP*CP*GP*CP*GP*CP*T)-3')
DNA dC->dU-editing enzyme APOBEC-3A
キーワード
DNA BINDING PROTEIN / APOBEC / APOBEC3A / A3A / APOBEC3A E72A mutant / cancer / DNA / mutation / cytidine deaminase / hairpin DNA
機能・相同性
機能・相同性情報
mRNA Editing: C to U Conversion / Formation of the Editosome / single-stranded DNA cytosine deaminase / negative regulation of single stranded viral RNA replication via double stranded DNA intermediate / DNA cytosine deamination / cytidine to uridine editing / clearance of foreign intracellular DNA / cytidine deaminase activity / transposable element silencing / positive regulation of gene expression via chromosomal CpG island demethylation ...mRNA Editing: C to U Conversion / Formation of the Editosome / single-stranded DNA cytosine deaminase / negative regulation of single stranded viral RNA replication via double stranded DNA intermediate / DNA cytosine deamination / cytidine to uridine editing / clearance of foreign intracellular DNA / cytidine deaminase activity / transposable element silencing / positive regulation of gene expression via chromosomal CpG island demethylation / negative regulation of viral genome replication / P-body / defense response to virus / innate immune response / RNA binding / zinc ion binding / nucleoplasm / nucleus / cytoplasm 類似検索 - 分子機能
Novel AID APOBEC clade 2 / : / APOBEC/CMP deaminase, zinc-binding / Cytidine and deoxycytidylate deaminases zinc-binding region signature. / Cytidine and deoxycytidylate deaminase domain / Cytidine and deoxycytidylate deaminases domain profile. / Cytidine deaminase-like 類似検索 - ドメイン・相同性
INOSITOL HEXAKISPHOSPHATE / PHOSPHATE ION / DNA / DNA (> 10) / DNA dC->dU-editing enzyme APOBEC-3A 類似検索 - 構成要素
A: DNA dC->dU-editing enzyme APOBEC-3A B: DNA dC->dU-editing enzyme APOBEC-3A H: DNA (5'-D(*TP*GP*CP*GP*CP*TP*TP*CP*GP*CP*GP*CP*T)-3') C: DNA (5'-D(*TP*GP*CP*GP*CP*TP*TP*CP*GP*CP*GP*CP*T)-3') ヘテロ分子
温度: 285 K / 手法: 蒸気拡散法, ハンギングドロップ法 / pH: 6.6 詳細: A3A-E72A (50 mM MES pH 6.0, 100 mM NaCl, 1 mM TCEP, 0.2 mM EDTA) was mixed with oligonucleotides (10 mM Tris/HCl pH 7.9, 1 mM EDTA) at 0.85 mM and 1.7 mM respectively. Dilution was done with ...詳細: A3A-E72A (50 mM MES pH 6.0, 100 mM NaCl, 1 mM TCEP, 0.2 mM EDTA) was mixed with oligonucleotides (10 mM Tris/HCl pH 7.9, 1 mM EDTA) at 0.85 mM and 1.7 mM respectively. Dilution was done with protein buffer. The mixture was added to crystallization liquid 1 to 1 and the mixture was pipetted on siliconized glass disks and sealed on top of a reservoir of crystallization liquid for hanging drop crystallization at 12 degrees Celsius. The crystallization liquid has the following composition: 100 mM Bicine at pH 6.6, 200 mM NaCl, 20 mM putrescine, 1 mM TCEP, 1 mM inositol hexaphosphate (phytic acid) and 45 % pentaerythritol propoxylate (5/4 PO/OH)
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データ収集
回折
平均測定温度: 100 K / Serial crystal experiment: N
放射光源
由来: シンクロトロン / サイト: Australian Synchrotron / ビームライン: MX2 / 波長: 0.953739 Å
検出器
タイプ: DECTRIS EIGER X 9M / 検出器: PIXEL / 日付: 2021年6月22日 / 詳細: 1 vertical and 2 horizontal focussing mirrors
放射
モノクロメーター: Si(111) double crystal monochromator プロトコル: SINGLE WAVELENGTH / 単色(M)・ラウエ(L): M / 散乱光タイプ: x-ray
解像度: 2.22→47.99 Å / Cor.coef. Fo:Fc: 0.937 / Cor.coef. Fo:Fc free: 0.935 / SU B: 27.009 / SU ML: 0.299 / 交差検証法: FREE R-VALUE / σ(F): 0 / ESU R: 0.322 / ESU R Free: 0.242 / 立体化学のターゲット値: MAXIMUM LIKELIHOOD 詳細: HYDROGENS HAVE BEEN ADDED IN THE RIDING POSITIONS U VALUES : WITH TLS ADDED
Rfactor
反射数
%反射
Selection details
Rfree
0.2772
1309
5 %
RANDOM
Rwork
0.2376
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obs
0.2396
24929
97.2 %
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溶媒の処理
イオンプローブ半径: 0.8 Å / 減衰半径: 0.8 Å / VDWプローブ半径: 1.2 Å / 溶媒モデル: MASK