1VLR

Crystal structure of mRNA decapping enzyme (DcpS) from Mus musculus at 1.83 A resolution

X-RAY DIFFRACTION

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Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION,SITTING DROP,NANODROP	7.2	277	0.2M KF, 20.0% PEG-3350, No Buffer pH 7.2, VAPOR DIFFUSION,SITTING DROP,NANODROP, temperature 277K

Crystal Properties
Matthews coefficient	Solvent content
2.35	47.29

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 65.399	α = 90
b = 59.231	β = 103.8
c = 100.14	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		2003-10-08	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	ALS BEAMLINE 5.0.3		ALS	5.0.3

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	1.83	37.58	97.9	0.063	18.07	3.69		64852			24.23

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)
	1.83	1.9	84.84		0.389	3.04	3.07	5575

Refinement

Statistics
Diffraction ID	Structure Solution Method	Cross Validation method	Starting model	Resolution (High)	Resolution (Low)	Number Reflections (Observed)	Number Reflections (R-Free)	Percent Reflections (Observed)	R-Factor (Observed)	R-Work	R-Free	R-Free Selection Details	Mean Isotropic B
X-RAY DIFFRACTION	MOLECULAR REPLACEMENT	THROUGHOUT	1st0	1.83	37.58	61546	3300	97.69	0.16053	0.15838	0.20101	RANDOM	15.046

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]
0.07		0.28	0.31		-0.25

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	34.324
r_dihedral_angle_4_deg	18.691
r_dihedral_angle_3_deg	13.137
r_dihedral_angle_1_deg	6.429
r_scangle_it	3.864
r_scbond_it	2.751
r_mcangle_it	1.798
r_angle_refined_deg	1.667
r_mcbond_it	1.289
r_angle_other_deg	1.036
r_mcbond_other	0.334
r_symmetry_vdw_other	0.282
r_symmetry_vdw_refined	0.225
r_nbd_refined	0.215
r_symmetry_hbond_refined	0.206
r_nbd_other	0.199
r_xyhbond_nbd_refined	0.143
r_chiral_restr	0.104
r_nbtor_other	0.087
r_bond_refined_d	0.018
r_xyhbond_nbd_other	0.015
r_gen_planes_refined	0.008
r_bond_other_d	0.002
r_gen_planes_other	0.001

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	4885
Nucleic Acid Atoms
Solvent Atoms	812
Heterogen Atoms	24

Software

Software
Software Name	Purpose
DENZO	data reduction
SCALEPACK	data scaling
MOLREP	phasing
REFMAC	refinement