- PDB-1k45: The Solution Structure of the CBM4-2 Carbohydrate Binding Module ... -
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基本情報
登録情報
データベース: PDB / ID: 1k45
タイトル
The Solution Structure of the CBM4-2 Carbohydrate Binding Module from a Thermostable Rhodothermus marinus Xylanase.
要素
Xylanase
キーワード
HYDROLASE / beta-sandwich formed by 11 strands. Binding-site cleft. Solvent exposed aromatics (Trp69 / Phe110) in binding cleft. Two helical twists. Two calcium binding sites.
内容: 1.5 mM CBM4-2 15N-labelled, and 13C,15N double labelled protein; 50 mM CaCl2, 50 mM sodium acetate-d3, pH 6.0, 10% D2O, 10 mM sodium azide, 0.1 mM sodium trimethylsilylpropionate (TSP) 溶媒系: 90% H2O/10% D2O
試料状態
イオン強度: 0.2 M / pH: 6 / 圧: ambient / 温度: 310 K
結晶化
*PLUS
手法: other / 詳細: NMR
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NMR測定
放射
プロトコル: SINGLE WAVELENGTH / 単色(M)・ラウエ(L): M
放射波長
相対比: 1
NMRスペクトロメーター
タイプ
製造業者
モデル
磁場強度 (MHz)
Spectrometer-ID
Bruker DRX
Bruker
DRX
500
1
Bruker DRX
Bruker
DRX
600
2
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解析
NMR software
名称
バージョン
開発者
分類
Felix
2000
MolecularSimulationsInc.
解析
X-PLOR
3.1
AxelT. Brunger
構造決定
X-PLOR
3.1
AxelT. Brunger
精密化
精密化
手法: hybrid distance geometry, simulated annealing using XPLOR ソフトェア番号: 1 詳細: The final set of restraints contained 1654 non-redundant unambiguous NOEs and 17 ambiguous NOEs, 93 dihedral angle restraints, 72 chi1 and 1 chi2 restraint, and 65 pairs of hydrogen bond ...詳細: The final set of restraints contained 1654 non-redundant unambiguous NOEs and 17 ambiguous NOEs, 93 dihedral angle restraints, 72 chi1 and 1 chi2 restraint, and 65 pairs of hydrogen bond restraints, plus 177 backbone dihedral restraints based on 13C shifts from TALOS.