1G6Q | pdb_00001g6q

CRYSTAL STRUCTURE OF YEAST ARGININE METHYLTRANSFERASE, HMT1

X-RAY DIFFRACTION

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Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION, HANGING DROP	7.5	295	2 microliters of Hmt1 (8mg/ml) in 50 mM Tris, pH 7.0, 50 mM NaCl, 1 mM EDTA, 1 mM DTT + 2 microliters of reservoir:50 mM sodium hepes, pH 7.5, 14% v/v PEG 400, 100 mM CaCl2 + microseeds in 1 microliter of 20 mM sodium citrate, pH 5.6, 15% w/v PEG 4000, 100 mM ammonium acetate, VAPOR DIFFUSION, HANGING DROP, temperature 22K

Crystal Properties
Matthews coefficient	Solvent content
2.38	48.32

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 84.1	α = 90
b = 129.43	β = 102.74
c = 101.43	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	113	CCD	BRANDEIS	monochromator	2000-03-02	M	MAD

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	NSLS BEAMLINE X12C	0.9784,1.0100,0.9500,0.9788	NSLS	X12C

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	2.9	28	99.1	0.062	17.4	3.1	91268	90403			56.6

Highest Resolution Shell
ID #	Resolution (High)	Resolution (Low)	Percent Possible (All)	Percent Possible (Observed)	R Merge I (Observed)	R-Sym I (Observed)	Mean I Over Sigma (Observed)	Redundancy	Number Unique Reflections (All)
1	2.89	2.99	95.9		0.235	0.235	5	1.8	8739

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 (All)	R-Factor (Observed)	R-Work (Depositor)	R-Free (Depositor)	R-Free Selection Details	Mean Isotropic B
X-RAY DIFFRACTION	MAD	THROUGHOUT	2.9	28	45634	46590	4666	99.1	0.253	0.253	0.253	0.294	random

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]

RMS Deviations
Key	Refinement Restraint Deviation
x_dihedral_angle_d	25.06
x_angle_deg	3
x_improper_angle_d	1.29
x_bond_d	0.014

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	15520
Nucleic Acid Atoms
Solvent Atoms
Heterogen Atoms

Software

Software
Software Name	Purpose
SOLVE	phasing
MLPHARE	phasing
DM	model building
X-PLOR	refinement
DENZO	data reduction
SCALEPACK	data scaling
DM	phasing