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データを開く
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基本情報
登録情報 | データベース: PDB / ID: 1l5e | ||||||
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タイトル | The domain-swapped dimer of CV-N in solution | ||||||
![]() | Cyanovirin-N | ||||||
![]() | ANTIVIRAL PROTEIN / 3D domain-swapping / cyanovirin-N / protein folding | ||||||
機能・相同性 | ![]() | ||||||
生物種 | ![]() | ||||||
手法 | 溶液NMR / Determination of the domain orientation for the solution structure of the dimer was carried out using a procedure analogous to the one described for determining the relative domain orientation in a two-domain protein fragment of a lectin. | ||||||
![]() | Barrientos, L.G. / Louis, J.M. / Botos, I. / Mori, T. / Han, Z. / O'Keefe, B.R. / Boyd, M.R. / Wlodawer, A. / Gronenborn, A.M. | ||||||
![]() | ![]() タイトル: The domain-swapped dimer of cyanovirin-N is in a metastable folded state: reconciliation of X-ray and NMR structures. 著者: Barrientos, L.G. / Louis, J.M. / Botos, I. / Mori, T. / Han, Z. / O'Keefe, B.R. / Boyd, M.R. / Wlodawer, A. / Gronenborn, A.M. | ||||||
履歴 |
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構造の表示
構造ビューア | 分子: ![]() ![]() |
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-検証レポート
文書・要旨 | ![]() | 246.3 KB | 表示 | ![]() |
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文書・詳細版 | ![]() | 246.1 KB | 表示 | |
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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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NMR アンサンブル |
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要素
#1: タンパク質 | 分子量: 11022.090 Da / 分子数: 2 / 由来タイプ: 組換発現 由来: (組換発現) ![]() プラスミド: pET / 生物種 (発現宿主): Escherichia coli / 発現宿主: ![]() ![]() |
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-実験情報
-実験
実験 | 手法: 溶液NMR |
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NMR実験 | タイプ: 2D IPAP [15N-1H]-![]() |
NMR実験の詳細 | Text: Residual dipolar couplings were measured in the presence of a colloidal phage solution of 11.5 mg/ml Pf1. |
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試料調製
詳細 | 内容: 0.150 mM protein in 25 mM sodium phosphate buffer, pH 8.0 and 0.02 % NaN3 溶媒系: 90% H2O/10% D2O |
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試料状態 | pH: 6.0 / 圧: 1 atm / 温度: 293 K |
-NMR測定
放射 | プロトコル: SINGLE WAVELENGTH / 単色(M)・ラウエ(L): M |
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放射波長 | 相対比: 1 |
NMRスペクトロメーター | タイプ: Bruker DRX / 製造業者: Bruker / モデル: DRX / 磁場強度: 600 MHz |
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解析
NMR software |
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精密化 | 手法: Determination of the domain orientation for the solution structure of the dimer was carried out using a procedure analogous to the one described for determining the relative domain ...手法: Determination of the domain orientation for the solution structure of the dimer was carried out using a procedure analogous to the one described for determining the relative domain orientation in a two-domain protein fragment of a lectin. ソフトェア番号: 1 詳細: The coordinates of the individual domains of the domain swapped dimer CV-N were taken directly from the X-Ray coordinates, 3EZM and 1L5B. The only protons added are the HNE1 of W(49/150) and ...詳細: The coordinates of the individual domains of the domain swapped dimer CV-N were taken directly from the X-Ray coordinates, 3EZM and 1L5B. The only protons added are the HNE1 of W(49/150) and all the backbone amide protons (HN), since domain-domain orientation was based only on HN/HNE1 residual dipolar couplings. The starting coordinates were those of two pseudo-monomer units (AB' and A'B) extracted from the refined trigonal 1.5 X-ray structure, in which proline 51 at the junction between A and B was removed, allowing for free rotation around this junction. We then treated AB' and A'B as two independent sub-domains. Assuming that the orientation of the two sub-domains is fixed in solution (at least to a first approximation), the principal axis systems, or alignment frames, of sub-domains AB' and A'B should be equivalent to the alignment system of the entire molecule and, vice versa, to each other. Using the residual dipolar couplings we calculated the order tensor principal axis systems for each domain. Rotation of pseudo sub-domain A'B around the hinge at amino acid position 51 until a superposition of the individual coordinate frames was obtained yielded the final model of the solution dimer. | ||||||||||||||||
NMRアンサンブル | 登録したコンフォーマーの数: 1 |