B: Biopolymer transport protein ExbB C: Biopolymer transport protein ExbB D: Biopolymer transport protein ExbB E: Biopolymer transport protein ExbB F: Biopolymer transport protein ExbB G: Biopolymer transport protein ExbB H: Biopolymer transport protein ExbB I: Biopolymer transport protein ExbB J: Biopolymer transport protein ExbB A: Biopolymer transport protein ExbB ヘテロ分子
B: Biopolymer transport protein ExbB C: Biopolymer transport protein ExbB D: Biopolymer transport protein ExbB F: Biopolymer transport protein ExbB A: Biopolymer transport protein ExbB ヘテロ分子
E: Biopolymer transport protein ExbB G: Biopolymer transport protein ExbB H: Biopolymer transport protein ExbB I: Biopolymer transport protein ExbB J: Biopolymer transport protein ExbB ヘテロ分子
Authors state that all of the experiments indicate that ExbD is present in the structure, but not ...Authors state that all of the experiments indicate that ExbD is present in the structure, but not well ordered. The density for it is not good enough to build into. This happens at neutral pH. However, at low pH, the ExbD helix can be seen clearly. Authors hypothesize that since this complex responds to the proton motive force (proton gradient), the order of the ExbD helix is modulated by pH.
-
実験情報
-
実験
実験
手法: X線回折 / 使用した結晶の数: 1
-
試料調製
結晶
マシュー密度: 4.07 Å3/Da / 溶媒含有率: 69.8 %
結晶化
温度: 288 K / 手法: 蒸気拡散法, ハンギングドロップ法 詳細: 100 mM HEPES-NaOH, pH 7.0, 100 mM CaCl2, and 22% PEG MME 550
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: 2.6→46 Å / Num. obs: 126321 / % possible obs: 96.3 % / 冗長度: 3.5 % / Rsym value: 0.12 / Net I/σ(I): 14.1
反射 シェル
解像度: 2.6→2.69 Å / 冗長度: 3.1 % / Rmerge(I) obs: 0.9 / Mean I/σ(I) obs: 1.2 / % possible all: 95.7
-
解析
ソフトウェア
名称
バージョン
分類
PHENIX
(1.10_2142: ???)
精密化
DENZO
HKL2000
データ削減
SCALEPACK
HKL2000
データスケーリング
PHASER
PHENIX
位相決定
精密化
構造決定の手法: 分子置換 / 解像度: 2.6→46 Å / SU ML: 0.43 / 交差検証法: FREE R-VALUE / σ(F): 1.35 / 位相誤差: 30.39 詳細: Authors state that all of the experiments indicate that ExbD is present in the structure, but not well ordered. The density for it is not good enough to build into. This happens at neutral pH. ...詳細: Authors state that all of the experiments indicate that ExbD is present in the structure, but not well ordered. The density for it is not good enough to build into. This happens at neutral pH. However, at low pH, the ExbD helix can be seen clearly. Authors hypothesize that since this complex responds to the proton motive force (proton gradient), the order of the ExbD helix is modulated by pH.