- PDB-3tht: Crystal structure and RNA binding properties of the RRM/AlkB doma... -
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基本情報
登録情報
データベース: PDB / ID: 3tht
タイトル
Crystal structure and RNA binding properties of the RRM/AlkB domains in human ABH8, an enzyme catalyzing tRNA hypermodification, Northeast Structural Genomics Consortium Target HR5601B
要素
Alkylated DNA repair protein alkB homolog 8
キーワード
OXIDOREDUCTASE / Structural Genomics / PSI-Biology / Northeast Structural Genomics Consortium / NESG / Alpha-beta two domain protein containing a zinc structure motif / tRNA modifying enzyme
機能・相同性
機能・相同性情報
tRNA (carboxymethyluridine34-5-O)-methyltransferase / tRNA (5-carboxymethyluridine(34)-5-O)-methyltransferase activity / tRNA (uridine) methyltransferase activity / tRNA wobble uridine modification / tRNA modification in the nucleus and cytosol / tRNA methylation / 2-oxoglutarate-dependent dioxygenase activity / S-adenosylmethionine-dependent methyltransferase activity / tRNA binding / iron ion binding ...tRNA (carboxymethyluridine34-5-O)-methyltransferase / tRNA (5-carboxymethyluridine(34)-5-O)-methyltransferase activity / tRNA (uridine) methyltransferase activity / tRNA wobble uridine modification / tRNA modification in the nucleus and cytosol / tRNA methylation / 2-oxoglutarate-dependent dioxygenase activity / S-adenosylmethionine-dependent methyltransferase activity / tRNA binding / iron ion binding / DNA damage response / zinc ion binding / nucleoplasm / nucleus / cytosol / cytoplasm 類似検索 - 分子機能
A: Alkylated DNA repair protein alkB homolog 8 B: Alkylated DNA repair protein alkB homolog 8 C: Alkylated DNA repair protein alkB homolog 8 D: Alkylated DNA repair protein alkB homolog 8 ヘテロ分子
The light scattering data of this construct without C-tag shows mainly monomeric protein in the solution, while the same construct with C-tag appears to have population of monomer and tetrameric species. Consistent with the latter observation, the crystal structure reveals that a few residues of the C-tag play an important role in protein tetramerization, which is possibly not a physiological phenomenon
温度: 293 K / 手法: microbatch under oil / pH: 5.6 詳細: 2.8 mM Mn2Cl and 8.6 mM 2OG and a precipitant containing 28.5-30.5% (w/v) PEG 4K, 15% (v/v) glycerol, 170 mM NH4(CH3COO), 85 mM Na-citrate, pH 5.6, microbatch under oil, temperature 293K