3HAP

Crystal structure of bacteriorhodopsin mutant L111A crystallized from bicelles

X-RAY DIFFRACTION

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Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	hanging drop, bicelle method	4	310	400ul 4M NaPi, 30ul 6M 1,6-hexanediol, 35ul 100% triethylene glycol, 535 ul H2O, pH 4.0, hanging drop, bicelle method, temperature 310K

Crystal Properties
Matthews coefficient	Solvent content
2.73	54.99

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 44.951	α = 90
b = 102.135	β = 90
c = 128.027	γ = 90

Symmetry
Space Group	C 2 2 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	ADSC QUANTUM 315		2009-01-17	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	ALS BEAMLINE 8.2.2	0.9998	ALS	8.2.2

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	50	93.9	0.05	22.431	6.3		36787

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)
	1.6	1.66	78.4		0.382		4.1	3007

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	MOLECULAR REPLACEMENT	THROUGHOUT	1.6	21.74	36725	2871	93.79	0.169	0.167	0.192	RANDOM	19.588

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
r_dihedral_angle_2_deg	29.753
r_dihedral_angle_4_deg	12.682
r_dihedral_angle_3_deg	12.296
r_dihedral_angle_1_deg	3.822
r_scangle_it	2.157
r_angle_refined_deg	2.007
r_scbond_it	1.553
r_mcangle_it	0.938
r_mcbond_it	0.605
r_nbtor_refined	0.32
r_nbd_refined	0.208
r_symmetry_vdw_refined	0.185
r_chiral_restr	0.177
r_symmetry_hbond_refined	0.149
r_xyhbond_nbd_refined	0.123
r_bond_refined_d	0.01
r_gen_planes_refined	0.006

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	1914
Nucleic Acid Atoms
Solvent Atoms	154
Heterogen Atoms	215

Software

Software
Software Name	Purpose
DENZO	data reduction
SCALEPACK	data scaling
REFMAC	refinement
PDB_EXTRACT	data extraction