Experiment: 3S28

The crystal structure of sucrose synthase-1 in complex with a breakdown product of the UDP-glucose

X-RAY DIFFRACTION

Starting Model(s)

Initial Refinement Model(s)
Type	Source	Accession Code	Details
experimental model	PDB	3S27

Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION, SITTING DROP	6.1	293	1.85-1.90 M AMMONIUM SULFATE, 80-100 MM SODIUM CITRATE pH 6.1, 0.15 M SODIUM POTASSIUM TARTRATE, 150 mM SUCROSE, 5 mM URIDINE DIPHOSPHATE GLUCOSE, vapor diffusion, sitting drop, temperature 293K

Crystal Properties
Matthews coefficient	Solvent content
3.65	66.33

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 276.75	α = 90
b = 261.88	β = 108.7
c = 160.19	γ = 90

Symmetry
Space Group	C 1 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	MARMOSAIC 300 mm CCD		2010-08-07		SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	APS BEAMLINE 21-ID-G	0.97856	APS	21-ID-G

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	2.8	185.269	99.7	0.114	9.1	3	263585	263585

Highest Resolution Shell
ID #	Resolution (High)	Resolution (Low)	Percent Possible (All)	Percent Possible (Observed)	R Merge I (Observed)	R-Sym I (Observed)	Mean I Over Sigma (Observed)	Redundancy	Number Unique Reflections (All)
1	2.8	2.95	100		0.615	0.615	1.3	3	38527

Refinement

Statistics
Diffraction ID	Structure Solution Method	Starting model	Resolution (High)	Resolution (Low)	Cut-off Sigma (F)	Number Reflections (Observed)	Number Reflections (R-Free)	Percent Reflections (Observed)	R-Factor (Observed)	R-Work (Depositor)	R-Work (DCC)	R-Free (Depositor)	R-Free (DCC)	Mean Isotropic B
X-RAY DIFFRACTION	MOLECULAR REPLACEMENT	3S27	2.8	24.976	1.34	263089	13244	99.65	0.1903	0.1879	0.1882	0.236	0.2365	47.6281

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]
-0.1171		0.3638	0.5596		-0.4425

RMS Deviations
Key	Refinement Restraint Deviation
f_dihedral_angle_d	15.531
f_angle_d	1.139
f_chiral_restr	0.084
f_bond_d	0.01
f_plane_restr	0.006

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	50122
Nucleic Acid Atoms
Solvent Atoms	442
Heterogen Atoms	560

Software

Software
Software Name	Purpose
SCALA	data scaling
PHENIX	refinement
PDB_EXTRACT	data extraction
HKL-2000	data collection
XDS	data reduction
PHENIX	phasing