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基本情報
登録情報 | データベース: PDB / ID: 3gbi | ||||||
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タイトル | The Rational Design and Structural Analysis of a Self-Assembled Three-Dimensional DNA Crystal | ||||||
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![]() | DNA / nanotechnology / DNA crystals / DNA crossover / designed crystal lattice | ||||||
機能・相同性 | DNA / DNA (> 10)![]() | ||||||
手法 | ![]() ![]() | ||||||
![]() | Birktoft, J.J. / Zheng, J. / Seeman, N.C. | ||||||
![]() | ![]() タイトル: From molecular to macroscopic via the rational design of a self-assembled 3D DNA crystal. 著者: Zheng, J. / Birktoft, J.J. / Chen, Y. / Wang, T. / Sha, R. / Constantinou, P.E. / Ginell, S.L. / Mao, C. / Seeman, N.C. | ||||||
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構造の表示
構造ビューア | 分子: ![]() ![]() |
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-関連構造データ
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リンク
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集合体
登録構造単位 | ![]()
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単位格子 |
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詳細 | Authors state that the crystal is an infinite network made from three DNA strands that self-associate. In the current entry the asymmetric unit is comprised of 4 chains, 3 of which are fragments of longer DNA strands. Applying the space group H3 symmetry operators (X, Y, Z,), (-Y, X-Y, Z), and (-X+Y,-X,Z) to the contents of the asymmetric unit generates one trimeric unit of the self-associated DNA network. Additional details about the chemical composition and association are included in remark 400. |
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要素
#1: DNA鎖 | 分子量: 6457.188 Da / 分子数: 1 / 由来タイプ: 合成 詳細: DNA strands were synthesized by standard phosphoramidite techniques on an Applied Biosystems 394 DNA synthesizer using trityl-on mode. |
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#2: DNA鎖 | 分子量: 2082.400 Da / 分子数: 1 Fragment: symmetrically- and sequentially repeating unit of a circular DNA molecules, see remark 400 for details. 由来タイプ: 合成 詳細: DNA strands were synthesized by standard phosphoramidite techniques on an Applied Biosystems 394 DNA synthesizer using trityl-on |
#3: DNA鎖 | 分子量: 1825.216 Da / 分子数: 1 Fragment: last 6 residues of a DNA molecule used in experiment, see remark 400 for details. 由来タイプ: 合成 詳細: DNA strands were synthesized by standard phosphoramidite techniques on an Applied Biosystems 394 DNA synthesizer using trityl-on |
#4: DNA鎖 | 分子量: 2432.614 Da / 分子数: 1 Fragment: first 8 residues of a DNA molecule used in experiment, see remark 400 for details. 由来タイプ: 合成 詳細: DNA strands were synthesized by standard phosphoramidite techniques on an Applied Biosystems 394 DNA synthesizer using trityl-on |
構成要素の詳細 | THE STRUCTURE UNIT IS GENERATED FROM 7 DNA STRANDS WHICH FORM A NETWORK UNIT WITH INTERNAL 3-FOLD ...THE STRUCTURE UNIT IS GENERATED FROM 7 DNA STRANDS WHICH FORM A NETWORK UNIT WITH INTERNAL 3-FOLD SYMMETRY. EXTENDING OF THE STRUCTURE UNIT IN 3-D SPACE RESULTS THE CRYSTAL AT R3 SPACE GROUP (REPRESENTE |
-実験情報
-実験
実験 | 手法: ![]() |
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試料調製
結晶化 | 温度: 293 K / 手法: 蒸気拡散法, シッティングドロップ法 / pH: 8.5 詳細: Grown by vapor diffusion while treated with a controlled temperature gradient from 333 degs to 293 degs., pH 8.5, VAPOR DIFFUSION, SITTING DROP |
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-データ収集
放射光源 | 由来: ![]() ![]() ![]() |
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検出器 | タイプ: ADSC QUANTUM 315r / 検出器: CCD / 日付: 2008年6月17日 |
放射 | モノクロメーター: Graphite / プロトコル: SINGLE WAVELENGTH / 単色(M)・ラウエ(L): M / 散乱光タイプ: x-ray |
放射波長 | 波長: 1 Å / 相対比: 1 |
反射 | 解像度: 4.01→17.3 Å / Num. all: 3341 / Num. obs: 3211 / % possible obs: 96.1 % / Observed criterion σ(F): 0 / Observed criterion σ(I): 0 / 冗長度: 7.3 % / Biso Wilson estimate: 199.88 Å2 / Rmerge(I) obs: 0.067 / Net I/σ(I): 10.9 |
反射 シェル | 解像度: 4→4.07 Å / % possible all: 100 |
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解析
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精密化 | 解像度: 4.018→17.288 Å / Occupancy max: 1 / Occupancy min: 1 / SU ML: 0.83 / σ(F): 0.14 / 立体化学のターゲット値: ML 詳細: In reality all 3211 measured reflections were used in the refinement (using PHENIX). Of these only 2022 had FOBS/SIGMA_FOBS >/= 0.140.
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溶媒の処理 | 溶媒モデル: FLAT BULK SOLVENT MODEL / Bsol: 20.001 Å2 / ksol: 0.09 e/Å3 | ||||||||||||||||||||||||||||
原子変位パラメータ | Biso mean: 80 Å2
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精密化ステップ | サイクル: LAST / 解像度: 4.018→17.288 Å
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拘束条件 |
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LS精密化 シェル | 最高解像度: 4.018 Å / Total num. of bins used: 1
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