Experiment: 3SQM

Crystal Structure of Glycoside Hydrolase from Synechococcus Complexed with N-acetyl-D-glucosamine

X-RAY DIFFRACTION

Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION, SITTING DROP	6.8	289	0.1M ammonium acetate 0.1M BIS-TRIS pH 6.8, 23.3% PEG 3350, 5.3mM N-ACETYL-D-GLUCOSAMINE, VAPOR DIFFUSION, SITTING DROP, temperature 289K

Crystal Properties
Matthews coefficient	Solvent content
2.25	45.42

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 125.139	α = 90
b = 125.139	β = 90
c = 233.745	γ = 120

Symmetry
Space Group	P 32 2 1

Diffraction

Diffraction Experiment
ID #	Crystal ID	Scattering Type	Data Collection Temperature	Detector	Detector Type	Details	Collection Date	Monochromator	Protocol
1	1	x-ray	100	CCD	ADSC QUANTUM 315r	mirrors	2011-06-18	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	APS BEAMLINE 19-ID	0.97926	APS	19-ID

Data Collection

Overall
ID #	Resolution (High)	Resolution (Low)	Percent Possible (Observed)	R Sym I (Observed)	Net I Over Average Sigma (I)	Redundancy	Number Reflections (All)	Number Reflections (Observed)	Observed Criterion Sigma (F)	Observed Criterion Sigma (I)	B (Isotropic) From Wilson Plot
1	2.7	50	99.6	0.061	8.9	4.3	58559	58559			40.52

Highest Resolution Shell
ID #	Resolution (High)	Resolution (Low)	Percent Possible (All)	Percent Possible (Observed)	R-Sym I (Observed)	Mean I Over Sigma (Observed)	Redundancy	Number Unique Reflections (All)
1	2.7	2.75	99.3		0.635	2.2	3.9	2841

Refinement

Statistics
Diffraction ID	Structure Solution Method	Cross Validation method	Resolution (High)	Resolution (Low)	Number Reflections (All)	Number Reflections (Observed)	Number Reflections (R-Free)	Percent Reflections (Observed)	R-Factor (All)	R-Factor (Observed)	R-Work (Depositor)	R-Work (DCC)	R-Free (Depositor)	R-Free (DCC)	R-Free Selection Details	Mean Isotropic B
X-RAY DIFFRACTION	SAD	THROUGHOUT	2.703	40.961	50442	50442	2548	85.89	0.163	0.163	0.159	0.1547	0.231	0.2286	random	45.6

Temperature Factor Modeling
Anisotropic B[1][1]	Anisotropic B[1][2]	Anisotropic B[1][3]	Anisotropic B[2][2]	Anisotropic B[2][3]	Anisotropic B[3][3]
2.6212			2.6212		-5.2424

RMS Deviations
Key	Refinement Restraint Deviation
f_dihedral_angle_d	15.676
f_angle_d	1.39
f_chiral_restr	0.093
f_bond_d	0.009
f_plane_restr	0.007

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	15893
Nucleic Acid Atoms
Solvent Atoms	211
Heterogen Atoms	140

Software

Software
Software Name	Purpose
SBC-Collect	data collection
HKL-3000	data collection
HKL-3000	phasing
SHELXS	phasing
MLPHARE	phasing
BUCCANEER	model building
PHENIX	refinement
HKL-3000	data reduction
HKL-3000	data scaling
BUCCANEER	phasing