4M37

Crystal structure of Trypanosoma brucei protein arginine methyltransferase 7 complex with AdoHcy

X-RAY DIFFRACTION

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Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION, HANGING DROP	6.5	293	100mM MES, 20% PEG 1000, pH 6.5, VAPOR DIFFUSION, HANGING DROP, temperature 293K

Crystal Properties
Matthews coefficient	Solvent content
2.34	47.44

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 130.591	α = 90
b = 40.926	β = 131.26
c = 90.838	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	IMAGE PLATE	MAR scanner 345 mm plate			M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	ROTATING ANODE	RIGAKU RUH3R	0.9792

Data Collection

Overall
ID #	Resolution (High)	Resolution (Low)	Percent Possible (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	1.7	50					37966

Refinement

Statistics
Diffraction ID	Structure Solution Method	Cross Validation method	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	1.7	37.8	37966	2001	99.64	0.14943	0.14767	0.18254	RANDOM	18.67

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]
-0.68		0.11	-0.75		0.52

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	38.787
r_sphericity_free	22.594
r_dihedral_angle_4_deg	18.763
r_dihedral_angle_3_deg	12.513
r_rigid_bond_restr	8.966
r_sphericity_bonded	6.853
r_dihedral_angle_1_deg	5.627
r_angle_other_deg	3.622
r_long_range_B_other	2.821
r_long_range_B_refined	2.816
r_scangle_other	2.647
r_scbond_other	2.289
r_scbond_it	2.288
r_mcangle_other	1.964
r_mcangle_it	1.949
r_mcbond_it	1.526
r_mcbond_other	1.488
r_angle_refined_deg	1.217
r_chiral_restr	0.081
r_bond_refined_d	0.008
r_gen_planes_refined	0.004
r_gen_planes_other	0.004
r_bond_other_d
r_nbd_refined
r_nbd_other
r_nbtor_refined
r_nbtor_other
r_xyhbond_nbd_refined
r_xyhbond_nbd_other
r_metal_ion_refined
r_metal_ion_other
r_symmetry_vdw_refined
r_symmetry_vdw_other
r_symmetry_hbond_refined
r_symmetry_hbond_other
r_symmetry_metal_ion_refined
r_symmetry_metal_ion_other
r_scangle_it

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	2666
Nucleic Acid Atoms
Solvent Atoms	246
Heterogen Atoms	26

Software

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