1RWB

Cooperative Effect of Two Surface Amino Acid Mutations (Q252L and E170K) of Glucose Dehydrogenase from Bacillus megaterium IWG3 for the stabilization of Oligomeric State

Experimental procedure

実験手法	SINGLE WAVELENGTH
Source type	SYNCHROTRON
Source details	ESRF BEAMLINE BM30A
Synchrotron site	ESRF
Beamline	BM30A
Temperature [K]	100
Detector technology	CCD
Collection date	2002-10-05
Detector	MARRESEARCH
Wavelength(s)	0.95
Spacegroup name	C 1 2 1
格子定数 [Å]	118.500, 65.400, 118.000
格子定数 [度]	90.00, 92.60, 90.00

精密化法

残基	15.000 * - 2.000
R因子	0.224
Rwork	0.224
R-free	0.26700
Structure solution method	Rigid Body
Starting model (for MR)	1gco
結合長の平均二乗偏差(RMSD) [Å]	0.006
結合角の平均二乗偏差(RMSD) [度]	22.300 *
Data reduction software	MOSFLM
Data scaling software	CCP4 ((SCALA))
Phasing software	CNS
Refinement software	CNS (1.1)

Quality characteristics

	Overall	Outer shell
分解能 [Å] (低)	30.000 *	1.920
分解能 [Å] (高)	2.000 *	1.830
Rmerge_l_obs	0.057 *	0.119 *
Total number of observations	193166 *
独立反射数	61998 *
<I/σ(I)>	7	3.6
完全性 [%]	99.4	99.4
冗長性	3.1 *	3.1 *

結晶化条件

結晶ID	方法	pH	温度	溶液条件
1	VAPOR DIFFUSION, HANGING DROP	6.3 *	291	PEG 6000, MES, pH 6.5, VAPOR DIFFUSION, HANGING DROP, temperature 291K

文献の結晶化試薬

ID	結晶ID	溶液	試薬名	濃度 (単位) (単位)	詳細
1	1	drop	enzyme	10 (mg/ml)
2	1	reservoir	NAD+	4 (mM)
3	1	reservoir	sodium phosphate	50 (mM)	pH6.3