3V3Z

I(L177)H mutant structure of photosynthetic reaction center from Rhodobacter sphaeroides

X-RAY DIFFRACTION

Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION, HANGING DROP	7.4	289	3.5% 1,2,3 -heptanetriol, 2% dioxane, 0.1% LDAO, 1M potassium phosphate, pH 7.4, VAPOR DIFFUSION, HANGING DROP, temperature 289K

Crystal Properties
Matthews coefficient	Solvent content
5.77	78.67

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 140.13	α = 90
b = 140.13	β = 90
c = 186.03	γ = 120

Symmetry
Space Group	P 31 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	100	CCD	MAR CCD 165 mm		2011-10-24	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	EMBL/DESY, HAMBURG BEAMLINE X13	0.8123	EMBL/DESY, HAMBURG	X13

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	2.9	28.9	96.5	0.092	14.25	4.61	47384	45707

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	2.9	3	90.2		0.664	2.3	4.55

Refinement

Statistics
Diffraction ID	Structure Solution Method	Cross Validation method	Starting model	Resolution (High)	Resolution (Low)	Number Reflections (All)	Number Reflections (Observed)	Number Reflections (R-Free)	Percent Reflections (Observed)	R-Factor (All)	R-Factor (Observed)	R-Work	R-Free	R-Free Selection Details	Mean Isotropic B
X-RAY DIFFRACTION	MOLECULAR REPLACEMENT	THROUGHOUT	1E6D	2.9	28.9	45707	43421	2286	100	0.212	0.20626	0.20394	0.25063	RANDOM	69.052

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]
1.39	0.69		1.39		-2.08

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	33.879
r_dihedral_angle_4_deg	18.743
r_dihedral_angle_3_deg	17.35
r_dihedral_angle_1_deg	5.639
r_scangle_it	1.862
r_angle_refined_deg	1.72
r_scbond_it	1.056
r_mcangle_it	0.896
r_mcbond_it	0.468
r_chiral_restr	0.086

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	33.879
r_dihedral_angle_4_deg	18.743
r_dihedral_angle_3_deg	17.35
r_dihedral_angle_1_deg	5.639
r_scangle_it	1.862
r_angle_refined_deg	1.72
r_scbond_it	1.056
r_mcangle_it	0.896
r_mcbond_it	0.468
r_chiral_restr	0.086
r_bond_refined_d	0.011
r_gen_planes_refined	0.006

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	6484
Nucleic Acid Atoms
Solvent Atoms	49
Heterogen Atoms	683

Software

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

RCSB PDB Core Operations are funded by the National Science Foundation (DBI-1832184), 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.