5G26

Unveiling the Mechanism Behind the in-meso Crystallization of Membrane Proteins

X-RAY DIFFRACTION

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Starting Model(s)

Initial Refinement Model(s)
Type	Source	Accession Code	Details
experimental model	PDB	4E1S	PDB ENTRY 4E1S

Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1		4.3		100MM TRISODIUM CITRATE/CITRIC ACID PH 4.3, 113MM NACL, 78MM MGCL2, 27% PEG 400 (V/V); MONOPALMITOLEIN USED FOR IN-MESO CRYSTALLISATION

Crystal Properties
Matthews coefficient	Solvent content
2.46	50

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 115.944	α = 90
b = 119.925	β = 90
c = 39.043	γ = 90

Symmetry
Space Group	C 2 2 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	CCD	ADSC CCD		2015-11-10	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	AUSTRALIAN SYNCHROTRON BEAMLINE MX2		Australian Synchrotron	MX2

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	2.42	41.7	99.1	0.14	12.3	10.2		10728

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	2.42	2.51	91.8		0.78	2.9	10.1

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	PDB ENTRY 4E1S	2.42	41.5	10166	523	98.86	0.22448	0.22186	0.27844	RANDOM	40.743

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]
8.23			-2.58		-5.65

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	41.062
r_dihedral_angle_3_deg	16.952
r_dihedral_angle_4_deg	16.486
r_dihedral_angle_1_deg	9.478
r_mcangle_it	4.824
r_scbond_it	4.395
r_mcbond_it	3.34
r_mcbond_other	3.338
r_angle_refined_deg	1.527
r_angle_other_deg	0.961
r_chiral_restr	0.087
r_bond_refined_d	0.012
r_gen_planes_refined	0.006
r_bond_other_d	0.003
r_gen_planes_other	0.001
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_mcangle_other
r_scbond_other
r_scangle_it
r_scangle_other
r_long_range_B_refined
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	1954
Nucleic Acid Atoms
Solvent Atoms	33
Heterogen Atoms	92

Software

Software
Software Name	Purpose
REFMAC	refinement
XDS	data reduction
Aimless	data scaling
PHASER	phasing