4M38

Crystal structure of Trypanosoma brucei protein arginine methyltransferase 7 complex with AdoHcy and histone H4 peptide

X-RAY DIFFRACTION

---

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	38.54

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 66.696	α = 90
b = 72.764	β = 110.94
c = 72.565	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	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	0.9793

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	2.2	50					30812

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	2.2	33.17	30812	1642	97.88	0.18995	0.18779	0.23001	RANDOM	19.069

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]
0.6		-0.13	0.8		-1.04

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	40.288
r_dihedral_angle_4_deg	21.838
r_dihedral_angle_3_deg	15.105
r_dihedral_angle_1_deg	5.592
r_long_range_B_refined	4.706
r_long_range_B_other	4.704
r_scangle_other	4.435
r_scbond_it	3.622
r_scbond_other	3.621
r_angle_other_deg	3.562
r_mcangle_it	2.811
r_mcangle_other	2.81
r_mcbond_it	2.313
r_mcbond_other	2.313
r_angle_refined_deg	1.188
r_chiral_restr	0.079
r_bond_refined_d	0.009
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
r_rigid_bond_restr
r_sphericity_free
r_sphericity_bonded

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	5237
Nucleic Acid Atoms
Solvent Atoms	103
Heterogen Atoms	52

Software

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