1O0A

BACTERIORHODOPSIN L INTERMEDIATE AT 1.62 A RESOLUTION

X-RAY DIFFRACTION

Starting Model(s)

Initial Refinement Model(s)
Type	Source	Accession Code	Details
experimental model	PDB	1M0L	PDB ENTRY 1M0L

Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	CUBIC LIPID PHASE	5.6	295	POTASSIUM [PHOSPHATE, pH 5.60, CUBIC LIPID PHASE, temperature 295K

Crystal Properties
Matthews coefficient	Solvent content
1.77	42.38

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 60.801	α = 90
b = 60.801	β = 90
c = 107.778	γ = 120

Symmetry
Space Group	P 63

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		2002-06-27	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	ALS BEAMLINE 8.2.1	0.979	ALS	8.2.1

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	1.62	25	99.7	0.058	36.1		28181	28097		-3

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	1.62	1.69	88.9		0.593	2.4

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-Work	R-Free	R-Free Selection Details	Mean Isotropic B
X-RAY DIFFRACTION	MOLECULAR REPLACEMENT	FREE R	PDB ENTRY 1M0L	1.62	25	26483	1650	85.5	0.1544	0.2115	THIN SHELLS

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]

Coordinate Error
Structure Solution Method	Refinement High Resolution	Refinement Low Resolution
230		2073.02

RMS Deviations
Key	Refinement Restraint Deviation
s_non_zero_chiral_vol	0.06
s_angle_d	0.049
s_zero_chiral_vol	0.049
s_anti_bump_dis_restr	0.04
s_from_restr_planes	0.0229
s_bond_d	0.016

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	1720
Nucleic Acid Atoms
Solvent Atoms	23
Heterogen Atoms	329

Software

Software
Software Name	Purpose
HKL-2000	data collection
HKL-2000	data reduction
SHELX	model building
SHELXL-97	refinement
HKL-2000	data reduction
HKL-2000	data scaling
SHELX	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.