5NJ4

From macrocrystals to microcrystals: a strategy for membrane protein serial crystallography

X-RAY DIFFRACTION

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Starting Model(s)

Initial Refinement Model(s)
Type	Source	Accession Code	Details
experimental model	PDB	2I5N

Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION, SITTING DROP	6.8	277	Macrocrystal growth: 10 mg/ml protein 3.6 M ammonium sulphate, 6 % w/v heptane-1,2,3-triol, 20 mM KH203/K2H03 pH 6.8, 0.1 % LDAO 20 ul sitting drop, 10 protein : 10 precipitant Microcrystals 8.5 mg/ml protein 18.5 ul sitting drop, 10 protein : 7.5 precipitant : 1 seed stock

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 226.5	α = 90
b = 226.5	β = 90
c = 113.9	γ = 90

Symmetry
Space Group	P 43 21 2

Diffraction

Diffraction Experiment
ID #	Crystal ID	Scattering Type	Data Collection Temperature	Detector	Detector Type	Details	Collection Date	Monochromator	Protocol
1	1	x-ray	298	PIXEL	CS-PAD CXI-1		2016-06-09	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	FREE ELECTRON LASER	SLAC LCLS BEAMLINE CXI	1.307	SLAC LCLS	CXI

Data Collection

Overall
ID #	Resolution (High)	Resolution (Low)	Percent Possible (Observed)	CC (Half)	R Split (All)	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	35.7	100	0.997	0.0486	11.2	1529		118454

Highest Resolution Shell
ID #	Resolution (High)	Resolution (Low)	Percent Possible (All)	Percent Possible (Observed)	CC (Half)	R Split (All)	Mean I Over Sigma (Observed)	Redundancy	Number Unique Reflections (All)
1	2.4	2.46	100		0.438	1.06		106

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	R-Free	R-Free Selection Details	Mean Isotropic B
X-RAY DIFFRACTION	MOLECULAR REPLACEMENT	THROUGHOUT	2I5N	2.4	35.7	109673	5711	99.95	0.16214	0.16086	0.18632	RANDOM	81.496

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]
1.21			1.21		-2.42

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	32.56
r_dihedral_angle_4_deg	14.767
r_dihedral_angle_3_deg	13.641
r_long_range_B_refined	7.989
r_long_range_B_other	7.989
r_scangle_other	6.065
r_dihedral_angle_1_deg	5.749
r_mcangle_other	5.29
r_mcangle_it	5.289
r_scbond_it	3.921
r_scbond_other	3.921
r_mcbond_it	3.547
r_mcbond_other	3.543
r_angle_refined_deg	1.96
r_angle_other_deg	0.956
r_chiral_restr	0.073
r_bond_refined_d	0.014
r_gen_planes_refined	0.007
r_gen_planes_other	0.004
r_bond_other_d	0.002
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	9347
Nucleic Acid Atoms
Solvent Atoms	146
Heterogen Atoms	909

Software

Software
Software Name	Purpose
REFMAC	refinement
CrystFEL	data reduction
CrystFEL	data scaling
PHASER	phasing