3L23

Crystal structure of Sugar phosphate isomerase/epimerase (YP_001303399.1) from Parabacteroides distasonis ATCC 8503 at 1.70 A resolution

Experimental procedure

Experimental method	MAD
Source type	SYNCHROTRON
Source details	SSRL BEAMLINE BL11-1
Synchrotron site	SSRL
Beamline	BL11-1
Temperature [K]	100
Detector technology	CCD
Collection date	2009-07-08
Detector	MARMOSAIC 325 mm CCD
Wavelength(s)	0.91837,0.97935
Spacegroup name	C 1 2 1
Unit cell lengths	77.657, 56.634, 78.188
Unit cell angles	90.00, 102.98, 90.00

Refinement procedure

Resolution	28.318 - 1.700
R-factor	0.149
Rwork	0.148
R-free	0.16700
Structure solution method	MAD
RMSD bond length	0.017
RMSD bond angle	1.557
Data reduction software	XDS
Data scaling software	XSCALE
Phasing software	SOLVE
Refinement software	REFMAC (5.2.0019)

Data quality characteristics

	Overall	Inner shell	Outer shell
Low resolution limit [Å]	28.318	28.318	1.760
High resolution limit [Å]	1.700	3.660	1.700
Rmerge	0.045	0.025	0.339
Number of reflections	36149	6801	6555
<I/σ(I)>	9.45	23.6	1.97
Completeness [%]	96.3	94.8	92.7
Redundancy	2.81

Crystallization Conditions

crystal ID	method	pH	temperature	details
1	VAPOR DIFFUSION, SITTING DROP	7.7	277	0.2000M MgAcetate, 20.0000% PEG-3350, No Buffer pH 7.7, NANODROP, VAPOR DIFFUSION, SITTING DROP, temperature 277K