5EVJ | pdb_00005evj

X-ray crystal structure of CrArsM, an arsenic (III) S-adenosylmethionine methyltransferase from Chlamydomonas reinhardtii

X-RAY DIFFRACTION

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Starting Model(s)

Initial Refinement Model(s)
Type	Source	Accession Code	Details
experimental model	PDB	4FS8

Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION, HANGING DROP	7	293	10% PEG 8000, 2.0 M NaCl

Crystal Properties
Matthews coefficient	Solvent content
2.75	55.28

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 157.885	α = 90
b = 157.885	β = 90
c = 95.452	γ = 120

Symmetry
Space Group	H 3

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 300 mm plate		2015-06-01	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	APS BEAMLINE 22-BM	1.000	APS	22-BM

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	2.4	50	100	0.08	34.1	11.7	34690	34690			45.2

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)
1	2.4	2.49	100		0.4	6.8	11.5

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 (Depositor)	R-Work (DCC)	R-Free (Depositor)	R-Free (DCC)	R-Free Selection Details	Mean Isotropic B
X-RAY DIFFRACTION	MOLECULAR REPLACEMENT	THROUGHOUT	4FS8	2.4	45.58	32914	1746	99.88	0.18293	0.18037	0.18	0.23048	0.23	RANDOM	43.03

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			0.01		-0.03

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	34.224
r_dihedral_angle_4_deg	20.982
r_dihedral_angle_3_deg	18.029
r_long_range_B_refined	10.724
r_dihedral_angle_1_deg	7.806
r_mcangle_it	6.545
r_scbond_it	5.412
r_mcbond_it	4.338
r_angle_refined_deg	2.032
r_chiral_restr	0.14
r_bond_refined_d	0.019
r_gen_planes_refined	0.01
r_bond_other_d
r_angle_other_deg
r_gen_planes_other
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_mcbond_other
r_mcangle_other
r_scbond_other
r_scangle_it
r_scangle_other
r_long_range_B_other
r_rigid_bond_restr
r_sphericity_free
r_sphericity_bonded

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	4667
Nucleic Acid Atoms
Solvent Atoms	245
Heterogen Atoms	1

Software

Software
Software Name	Purpose
REFMAC	refinement
HKL-2000	data reduction
HKL-2000	data scaling