2HHL

Crystal structure of the human small CTD phosphatase 3 isoform 1

X-RAY DIFFRACTION

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Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION, SITTING DROP	5.5	295	0.2M lithium sulfate monohydrate, 0.1M bis-tris, 25% w/v PEG 3350, pH 5.5, VAPOR DIFFUSION, SITTING DROP, temperature 295K

Crystal Properties
Matthews coefficient	Solvent content
2.35	47.66

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 47.419	α = 90
b = 49.857	β = 96.9
c = 179.747	γ = 90

Symmetry
Space Group	P 1 21 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 4		2006-06-21	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	NSLS BEAMLINE X6A	1.74	NSLS	X6A

Data Collection

Overall
ID #	Resolution (High)	Resolution (Low)	Percent Possible (Observed)	R Merge I (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	2.1	20	87.7	0.056	0.056	8.5	1.7		47666			26.5

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)
	2.1	2.18	74		0.265		1.4	7128

Refinement

Statistics
Diffraction ID	Structure Solution Method	Cross Validation method	Starting model	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	MOLECULAR REPLACEMENT	THROUGHOUT	PDB ENTRY 1TA0	2.1	19.86	49147	47398	2386	96.44	0.191	0.191	0.188	0.252	RANDOM	26.238

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]
-0.01			0.02		-0.01

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	37.668
r_dihedral_angle_4_deg	21.878
r_dihedral_angle_3_deg	14.441
r_dihedral_angle_1_deg	6.636
r_scangle_it	3.786
r_angle_refined_deg	3.199
r_scbond_it	2.754
r_mcangle_it	1.774
r_mcbond_it	1.113
r_nbtor_refined	0.308
r_symmetry_vdw_refined	0.252
r_nbd_refined	0.224
r_xyhbond_nbd_refined	0.208
r_chiral_restr	0.184
r_symmetry_hbond_refined	0.175
r_bond_refined_d	0.022
r_gen_planes_refined	0.008

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	5774
Nucleic Acid Atoms
Solvent Atoms	540
Heterogen Atoms	158

Software

Software
Software Name	Purpose
DENZO	data reduction
SCALEPACK	data scaling
MOLREP	phasing
REFMAC	refinement
PDB_EXTRACT	data extraction
HKL-2000	data reduction