Experiment: 2ZFE

Crystal structure of bacteriorhodopsin-xenon complex

X-RAY DIFFRACTION

Starting Model(s)

Initial Refinement Model(s)
Type	Source	Accession Code	Details
experimental model	PDB	1IW6	PDB ENTRY 1IW6

Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1		5.2	283	2.2M ammonium sulfate, 0.1M sodium citrate, 0.16M potasium chloride, pH5.2, membrane fusion method, temperature 283K

Crystal Properties
Matthews coefficient	Solvent content
3.01	59.15

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 102.41	α = 90
b = 102.41	β = 90
c = 112.47	γ = 120

Symmetry
Space Group	P 6 2 2

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	ADSC QUANTUM 4	mirrors	2006-11-24	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	SPRING-8 BEAMLINE BL38B1	1.0	SPring-8	BL38B1

Data Collection

Overall
ID #	Resolution (High)	Resolution (Low)	Percent Possible (Observed)	R Merge I (Observed)	R Sym 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	2.5	41	98.9	0.08	0.08	27.8	14.6	12458	12458			53.1

Highest Resolution Shell
ID #	Resolution (High)	Resolution (Low)	Percent Possible (All)	Percent Possible (Observed)	R Merge I (Observed)	R-Sym I (Observed)	Mean I Over Sigma (Observed)	Redundancy	Number Unique Reflections (All)
	2.5	2.64	100		0.57	0.57	5.5	15	1770

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 (Observed)	R-Work (Depositor)	R-Work (DCC)	R-Free (Depositor)	R-Free (DCC)	R-Free Selection Details	Mean Isotropic B
X-RAY DIFFRACTION	MOLECULAR REPLACEMENT	THROUGHOUT	PDB ENTRY 1IW6	2.5	15	12364	12364	626	98.8	0.25	0.25	0.2579	0.279	0.2902	RANDOM	53.6

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]
-11.85	-6.56		-11.85		23.7

RMS Deviations
Key	Refinement Restraint Deviation
c_dihedral_angle_d	17.76
c_angle_deg	1.1
c_improper_angle_d	0.77
c_bond_d	0.0069

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	1756
Nucleic Acid Atoms
Solvent Atoms	40
Heterogen Atoms	303

Software

Software
Software Name	Purpose
ADSC	data collection
CNS	refinement
MOSFLM	data reduction
SCALA	data scaling
CNS	phasing