1NV8

N5-glutamine methyltransferase, HemK

X-RAY DIFFRACTION

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Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION, HANGING DROP	5.5		PEG 3000, NaCitrate, pH 5.5, VAPOR DIFFUSION, HANGING DROP, temperature 100K

Crystal Properties
Matthews coefficient	Solvent content
2.66	53.69

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 141.489	α = 90
b = 59.062	β = 109.22
c = 85.605	γ = 90

Symmetry
Space Group	C 1 2 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		2002-06-25	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	SSRL BEAMLINE BL9-2	1.033	SSRL	BL9-2

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	30	94.7	0.05	26	5	32326	32326			46

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)
	2.2	2.28	66.5		0.351	2

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	R-Free	R-Free Selection Details	Mean Isotropic B
X-RAY DIFFRACTION	MAD	THROUGHOUT	2.2	29.75	32346	30679	1646	94.71	0.18958	0.18958	0.18622	0.2526	RANDOM	38.384

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	-0.1		0.09

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_1_deg	8.645
r_scangle_it	5.506
r_scbond_it	3.463
r_mcangle_it	2.435
r_angle_refined_deg	2.412
r_mcbond_it	1.339
r_angle_other_deg	1.224
r_symmetry_hbond_refined	0.403
r_symmetry_vdw_refined	0.279
r_symmetry_vdw_other	0.266
r_nbd_other	0.256
r_xyhbond_nbd_refined	0.236
r_nbd_refined	0.232
r_chiral_restr	0.15
r_nbtor_other	0.103
r_bond_refined_d	0.03
r_gen_planes_refined	0.011
r_gen_planes_other	0.006
r_bond_other_d	0.002

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	4296
Nucleic Acid Atoms
Solvent Atoms	233
Heterogen Atoms	74

Software

Software
Software Name	Purpose
REFMAC	refinement
Blu-Ice	data collection
SCALEPACK	data scaling
SOLVE	phasing