6YC1

Crystal structure of the H30A mutant of the light-driven sodium pump KR2 in the pentameric form, pH 8.0

X-RAY DIFFRACTION

Starting Model(s)

Initial Refinement Model(s)
Type	Source	Accession Code	Details
experimental model	PDB	6REW

Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	LIPIDIC CUBIC PHASE	8	293	1.2 M NaMal pH 8.0

Crystal Properties
Matthews coefficient	Solvent content
3.45	64.39

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 131.089	α = 90
b = 239.733	β = 90
c = 135.132	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	PIXEL	DECTRIS PILATUS3 S 6M		2018-08-26	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	ESRF BEAMLINE ID30B	0.987	ESRF	ID30B

Data Collection

Overall
ID #	Resolution (High)	Resolution (Low)	Percent Possible (Observed)	R Merge I (Observed)	Rrim I (All)	Rpim I (All)	CC (Half)	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	2.2	48.01	98.9	0.122	0.132	0.049	0.999	11.5	7.1		106450

Highest Resolution Shell
ID #	Resolution (High)	Resolution (Low)	Percent Possible (All)	Percent Possible (Observed)	R Merge I (Observed)	Rrim I (All)	Rpim I (All)	CC (Half)	Mean I Over Sigma (Observed)	Redundancy	Number Unique Reflections (All)
1	2.2	2.24	99.2		2.099	2.259	0.827	0.489		7.4

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	6rew	2.2	20	100998	5267	98.65	0.1827	0.1814	0.2089	RANDOM	47.815

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]
4.77			-4.48		-0.29

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	32.732
r_dihedral_angle_4_deg	15.359
r_dihedral_angle_3_deg	13.496
r_dihedral_angle_1_deg	5.306
r_angle_other_deg	1.068
r_angle_refined_deg	1.048
r_chiral_restr	0.041
r_gen_planes_refined	0.003
r_bond_refined_d	0.002
r_bond_other_d

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	32.732
r_dihedral_angle_4_deg	15.359
r_dihedral_angle_3_deg	13.496
r_dihedral_angle_1_deg	5.306
r_angle_other_deg	1.068
r_angle_refined_deg	1.048
r_chiral_restr	0.041
r_gen_planes_refined	0.003
r_bond_refined_d	0.002
r_bond_other_d
r_gen_planes_other

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	10911
Nucleic Acid Atoms
Solvent Atoms	567
Heterogen Atoms	1215

Software

Software
Software Name	Purpose
Aimless	data scaling
REFMAC	refinement
PDB_EXTRACT	data extraction
XDS	data reduction
MOLREP	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 R01GM157729.