3HL4 | pdb_00003hl4

Crystal structure of a mammalian CTP:phosphocholine cytidylyltransferase with CDP-choline

X-RAY DIFFRACTION

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Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION, SITTING DROP	4.6	291	0.1M Na Acetate 1.4M Na Formate, pH 4.6, VAPOR DIFFUSION, SITTING DROP, temperature 291K

Crystal Properties
Matthews coefficient	Solvent content
2.34	47.42

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 88.973	α = 90
b = 129.348	β = 90
c = 43.565	γ = 90

Symmetry
Space Group	P 21 21 2

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 315	KOHZU: Double Crystal Si(111)	2005-07-07	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	ALS BEAMLINE 8.2.2	1.0	ALS	8.2.2

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	2.2	50	100	0.11	32.7	11.2	26316	26316

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)
1	2.2	2.28	100		0.33	6.6	10.6	2587

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 (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	2.2	50	26316	24911	1331	99.84	0.22265	0.22025	0.2159	0.26558	0.2594	RANDOM	27.857

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]
-1.24			1.04		0.2

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	35.999
r_dihedral_angle_4_deg	14.82
r_dihedral_angle_3_deg	14.776
r_dihedral_angle_1_deg	8.168
r_scangle_it	5.853
r_scbond_it	3.846
r_mcangle_it	2.568
r_angle_refined_deg	2.091
r_mcbond_it	1.473
r_chiral_restr	0.148
r_bond_refined_d	0.027
r_gen_planes_refined	0.012

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	2838
Nucleic Acid Atoms
Solvent Atoms	249
Heterogen Atoms	89

Software

Software
Software Name	Purpose
HKL-2000	data collection
SOLVE	phasing
REFMAC	refinement
HKL-2000	data reduction
HKL-2000	data scaling