Experiment: 3PYI

Structure of the N-terminal domain of C. elegans SAS-6

X-RAY DIFFRACTION

Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION, SITTING DROP	6	277	30% v/v PEG200, 5% w/v PEG3000, 0.1 M MES, seeding with crushed original crystals, pH 6.0, VAPOR DIFFUSION, SITTING DROP, temperature 277K

Crystal Properties
Matthews coefficient	Solvent content
2.63	53.25

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 70.273	α = 90
b = 73.153	β = 90
c = 79.596	γ = 90

Symmetry
Space Group	P 21 21 21

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 225 mm CCD		2010-02-22	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	SLS BEAMLINE X06DA	1.0	SLS	X06DA

Data Collection

Overall
ID #	Resolution (High)	Resolution (Low)	Percent Possible (Observed)	R Merge 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	2.104	73.153	99.6	0.039	17.7	3.6	24437	24368			31.25

Highest Resolution Shell
ID #	Resolution (High)	Resolution (Low)	Percent Possible (All)	Percent Possible (Observed)	R Merge I (Observed)	Mean I Over Sigma (Observed)	Redundancy	Number Unique Reflections (All)
	2.104	2.22	99.3		0.319	4	3.6	3498

Refinement

Statistics
Diffraction ID	Structure Solution Method	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)	R-Free Selection Details	Mean Isotropic B
X-RAY DIFFRACTION	SAD	2.104	50.678	1.13	23106	2220	97.73	0.2124	0.2101	0.2083	0.2574	0.2577	Random	45.83

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]
14.0832			-11.7579		-2.3252

RMS Deviations
Key	Refinement Restraint Deviation
f_dihedral_angle_d	16.866
f_angle_d	1.023
f_chiral_restr	0.072
f_bond_d	0.007
f_plane_restr	0.004

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	2317
Nucleic Acid Atoms
Solvent Atoms	146
Heterogen Atoms	49

Software

Software
Software Name	Purpose
MAR345dtb	data collection
PHENIX	model building
PHENIX	refinement
XSCALE	data scaling
SCALA	data scaling
PHENIX	phasing