3OZ2

Crystal structure of a geranylgeranyl bacteriochlorophyll reductase-like (Ta0516) from Thermoplasma acidophilum at 1.60 A resolution

X-RAY DIFFRACTION

Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION, SITTING DROP	7.5	277	15.00% Glycerol, 8.50% iso-Propanol, 17.00% PEG-4000, 0.1M HEPES pH 7.5, NANODROP, VAPOR DIFFUSION, SITTING DROP, temperature 277K

Crystal Properties
Matthews coefficient	Solvent content
2.35	47.55

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 49.59	α = 90
b = 70.67	β = 90
c = 117.85	γ = 90

Symmetry
Space Group	P 21 21 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	MARMOSAIC 325 mm CCD		2008-02-01	M	MAD

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	SSRL BEAMLINE BL11-1	0.91837,0.97920,0.97862	SSRL	BL11-1

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	1.6	45.257	99.4	0.052	13.16			55071		-3	20.479

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	1.6	1.64	99.6		0.466	2.4

Refinement

Statistics
Diffraction ID	Structure Solution Method	Cross Validation method	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	MAD	THROUGHOUT	1.6	45.257	55071	2794	99.35	0.1539	0.153	0.1706	RANDOM	29.0611

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]
-0.57			1.08		-0.51

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	36.406
r_dihedral_angle_4_deg	16.988
r_dihedral_angle_3_deg	12.23
r_scangle_it	6.476
r_dihedral_angle_1_deg	6.32
r_scbond_it	4.121
r_mcangle_it	2.518
r_angle_refined_deg	1.608
r_mcbond_it	1.497
r_angle_other_deg	0.911

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	36.406
r_dihedral_angle_4_deg	16.988
r_dihedral_angle_3_deg	12.23
r_scangle_it	6.476
r_dihedral_angle_1_deg	6.32
r_scbond_it	4.121
r_mcangle_it	2.518
r_angle_refined_deg	1.608
r_mcbond_it	1.497
r_angle_other_deg	0.911
r_mcbond_other	0.422
r_chiral_restr	0.094
r_bond_refined_d	0.014
r_gen_planes_refined	0.009
r_gen_planes_other	0.003
r_bond_other_d	0.001

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	3004
Nucleic Acid Atoms
Solvent Atoms	332
Heterogen Atoms	157

Software

Software
Software Name	Purpose
SHELX	phasing
REFMAC	refinement
XSCALE	data scaling
PDB_EXTRACT	data extraction
XDS	data reduction
SHELXD	phasing
autoSHARP	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.