2RCR

STRUCTURE OF THE MEMBRANE-BOUND PROTEIN PHOTOSYNTHETIC REACTION CENTER FROM RHODOBACTER SPHAEROIDES

X-RAY DIFFRACTION

---

Crystallization

Crystal Properties
Matthews coefficient	Solvent content
4.16	70.44

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 142.2	α = 90
b = 139.6	β = 90
c = 78.7	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

Refinement

Statistics
Diffraction ID	Structure Solution Method	Resolution (High)	Resolution (Low)	Number Reflections (R-Free)	Percent Reflections (Observed)	R-Factor (Observed)	R-Work	R-Free	Mean Isotropic B
X-RAY DIFFRACTION		3.1				0.22

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]

RMS Deviations
Key	Refinement Restraint Deviation
p_planar_tor	1.5
p_multtor_nbd	0.296
p_singtor_nbd	0.263
p_xhyhbond_nbd	0.245
p_chiral_restr	0.143
p_planar_d	0.033
p_angle_d	0.027
p_bond_d	0.01
p_plane_restr	0.008
p_angle_deg
p_hb_or_metal_coord
p_mcbond_it
p_mcangle_it
p_scbond_it
p_scangle_it
p_xyhbond_nbd
p_staggered_tor
p_orthonormal_tor
p_transverse_tor
p_special_tor

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	6558
Nucleic Acid Atoms
Solvent Atoms
Heterogen Atoms	491

Software

Software
Software Name	Purpose
PROLSQ	refinement