3FLD

Crystal structure of the trai c-terminal domain

X-RAY DIFFRACTION

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Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION, HANGING DROP	6	298	1 M ammonium sulfate, 0.1 M MES, pH 6.0, cryoprotected in 1.8 M lithium sulfate, VAPOR DIFFUSION, HANGING DROP, temperature 298K

Crystal Properties
Matthews coefficient	Solvent content
2.78	55.83

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 40.8	α = 90
b = 139.751	β = 90
c = 126.54	γ = 90

Symmetry
Space Group	C 2 2 21

Diffraction

Diffraction Experiment
ID #	Crystal ID	Scattering Type	Data Collection Temperature	Detector	Detector Type	Details	Collection Date	Monochromator	Protocol
1	1	x-ray	77	CCD	MARMOSAIC 225 mm CCD	Rosenbaum-rock high-resolution double-crstal SI (111), sagital focusing 2nd crystal, rosenbaum-rock vertical focusing mirror.	2006-12-15	M	MAD

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	APS BEAMLINE 22-BM	0.97835, 0.97873, 0.97126	APS	22-BM

Data Collection

Overall
ID #	Resolution (High)	Resolution (Low)	Percent Possible (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	2.4	50	89.4		6.1	39344	24509

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)
	2.4	2.49	89.4		0.276	5.4	6.1

Refinement

Statistics
Diffraction ID	Structure Solution 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	R-Free	R-Free Selection Details	Mean Isotropic B
X-RAY DIFFRACTION	MAD	2.4	50	39344	24509	1168	95.2	0.22	0.22	0.22	0.263	Random	37.99

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]
27.273			-18.87		-8.403

RMS Deviations
Key	Refinement Restraint Deviation
c_scangle_it	3.398
c_mcangle_it	2.614
c_scbond_it	2.176
c_mcbond_it	1.514
c_angle_deg	1.27
c_bond_d	0.007
c_bond_d_na
c_bond_d_prot
c_angle_d
c_angle_d_na
c_angle_d_prot
c_angle_deg_na
c_angle_deg_prot
c_dihedral_angle_d
c_dihedral_angle_d_na
c_dihedral_angle_d_prot
c_improper_angle_d
c_improper_angle_d_na
c_improper_angle_d_prot

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	2272
Nucleic Acid Atoms
Solvent Atoms	130
Heterogen Atoms	50

Software

Software
Software Name	Purpose
HKL-2000	data collection
SHARP	phasing
CNS	refinement
HKL-2000	data reduction
HKL-2000	data scaling