6LSC

Structure of the E202Y mutant of the Cl-/H+ antiporter CLC-ec1 from E.coli: a re-refined model of the 4FTP model

X-RAY DIFFRACTION

Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION, SITTING DROP	9.5	295	38% PEG400, 100mM CaCl2, 100mM Glycine-NaOH, pH 9.5

Crystal Properties
Matthews coefficient	Solvent content
3.8	67.6

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 90.702	α = 90
b = 85.166	β = 102.61
c = 100.092	γ = 90

Symmetry
Space Group	C 1 2 1

Diffraction

Diffraction Experiment
ID #	Crystal ID	Scattering Type	Data Collection Temperature	Detector	Detector Type	Details	Collection Date	Monochromator	Protocol
1	1	x-ray	80	CCD	ADSC QUANTUM 315r		2012-04-04	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	ALS BEAMLINE 5.0.2	1.0	ALS	5.0.2

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	3.2	25	99	0.16	2	7.3		12142

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	3.2	3.26	99.9		0.59		7.2

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	1OTS	3.21	24.43	11500	637	98.96	0.213	0.2101	0.263	RANDOM	96.111

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]
-3.93		3.78	-6.85		8.26

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	34.32
r_dihedral_angle_4_deg	22.82
r_dihedral_angle_3_deg	22.595
r_dihedral_angle_1_deg	7.501
r_angle_refined_deg	1.47
r_angle_other_deg	1.19
r_chiral_restr	0.062
r_bond_refined_d	0.005
r_gen_planes_refined	0.005
r_gen_planes_other	0.002

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	34.32
r_dihedral_angle_4_deg	22.82
r_dihedral_angle_3_deg	22.595
r_dihedral_angle_1_deg	7.501
r_angle_refined_deg	1.47
r_angle_other_deg	1.19
r_chiral_restr	0.062
r_bond_refined_d	0.005
r_gen_planes_refined	0.005
r_gen_planes_other	0.002
r_bond_other_d	0.001

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	3142
Nucleic Acid Atoms
Solvent Atoms	1
Heterogen Atoms	1

Software

Software
Software Name	Purpose
REFMAC	refinement
PDB_EXTRACT	data extraction
HKL-2000	data reduction
HKL-2000	data scaling
PHASER	phasing

RCSB PDB Core Operations are funded by the U.S. National Science Foundation (DBI-2321666), the US Department of Energy (DE-SC0019749), and the National Cancer Institute, National Institute of Allergy and Infectious Diseases, and National Institute of General Medical Sciences of the National Institutes of Health under grant R01GM133198.