4M9Q

Crystal structure of C-terminally truncated Arl13B from Chlamydomonas rheinhardtii bound to GppNHp

X-RAY DIFFRACTION

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Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION, HANGING DROP	6.5	293.15	0.2 M ammonium sulfate, 0.1 M MES, pH 6.5, 30% PEG5000 MME, VAPOR DIFFUSION, HANGING DROP, temperature 293.15K

Crystal Properties
Matthews coefficient	Solvent content
2.06	40.22

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 48.05	α = 90
b = 76.83	β = 90
c = 172.92	γ = 90

Symmetry
Space Group	P 21 21 21

Diffraction

Diffraction Experiment
ID #	Crystal ID	Scattering Type	Data Collection Temperature	Detector	Detector Type	Details	Collection Date	Monochromator	Protocol
1	1	x-ray	100	PIXEL	DECTRIS PILATUS 6M		2012-12-10	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	PETRA III, DESY BEAMLINE P11	0.99	PETRA III, DESY	P11

Data Collection

Overall
ID #	Resolution (High)	Resolution (Low)	Percent Possible (Observed)	R Sym 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	2.5	19.83	99.7	0.065	30.03	14.4	22958	22891	-3	-3

Highest Resolution Shell
ID #	Resolution (High)	Resolution (Low)	Percent Possible (All)	Percent Possible (Observed)	R-Sym I (Observed)	Mean I Over Sigma (Observed)	Redundancy	Number Unique Reflections (All)
1	2.5	2.6	100		0.519	5.78	14.7

Refinement

Statistics
Diffraction ID	Structure Solution Method	Cross Validation method	Starting model	Resolution (High)	Resolution (Low)	Cut-off Sigma (F)	Number Reflections (All)	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	PDB ENTRY 1KSH	2.5	19.83	-3	22891	21746	1145	99.71	0.192	0.18969	0.23536	RANDOM	59.618

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]
6.03			-2.89		-3.15

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	40.118
r_dihedral_angle_3_deg	21.472
r_dihedral_angle_4_deg	16.2
r_dihedral_angle_1_deg	6.126
r_angle_refined_deg	1.758
r_angle_other_deg	1.017
r_chiral_restr	0.099
r_bond_refined_d	0.014
r_gen_planes_refined	0.007
r_gen_planes_other	0.003
r_bond_other_d	0.002

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	4508
Nucleic Acid Atoms
Solvent Atoms	65
Heterogen Atoms	114

Software

Software
Software Name	Purpose
PRO	data collection
MOLREP	phasing
PHASER	phasing
REFMAC	refinement
MOSFLM	data reduction
XDS	data scaling