3UTW

Crystal structure of bacteriorhodopsin mutant P50A/Y57F

X-RAY DIFFRACTION

---

Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	BICELLES, VAPOR DIFFUSION, HANGING DROP	4	310	0.65M sodium phosphate, 0.95% triethylene glycerol, 0.008M 1,6-hexanediol, 4.3% DMPC, 1.5% CHAPSO , BICELLES, VAPOR DIFFUSION, HANGING DROP, temperature 310K

Crystal Properties
Matthews coefficient	Solvent content
2.8	56.01

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 45.281	α = 90
b = 103.059	β = 90
c = 128.879	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		2009-11-13	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	APS BEAMLINE 24-ID-C	0.97916	APS	24-ID-C

Data Collection

Overall
ID #	Resolution (High)	Resolution (Low)	Percent Possible (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	2.4	100	100			11638	11638

Highest Resolution Shell
ID #	Resolution (High)	Resolution (Low)	Percent Possible (All)	Percent Possible (Observed)	Mean I Over Sigma (Observed)	Redundancy	Number Unique Reflections (All)
1	2.4	2.49	98.8

Refinement

Statistics
Diffraction ID	Structure Solution Method	Cross Validation method	Resolution (High)	Resolution (Low)	Number Reflections (All)	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	2.4	47.85	10704	10704	929	95.65	0.20644	0.203	0.24575	RANDOM	37.269

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]
0.1			-0.65		0.55

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	35.548
r_dihedral_angle_4_deg	23.969
r_dihedral_angle_3_deg	17.425
r_scangle_it	8.955
r_scbond_it	6.935
r_dihedral_angle_1_deg	5.608
r_mcangle_it	3.805
r_mcbond_it	2.554
r_angle_refined_deg	2.489
r_angle_other_deg	1.322
r_mcbond_other	0.903
r_chiral_restr	0.255
r_bond_refined_d	0.023
r_gen_planes_refined	0.01
r_bond_other_d	0.008
r_gen_planes_other	0.007
r_nbd_refined
r_nbd_other
r_nbtor_refined
r_nbtor_other
r_xyhbond_nbd_refined
r_xyhbond_nbd_other
r_metal_ion_refined
r_metal_ion_other
r_symmetry_vdw_refined
r_symmetry_vdw_other
r_symmetry_hbond_refined
r_symmetry_hbond_other
r_symmetry_metal_ion_refined
r_symmetry_metal_ion_other
r_rigid_bond_restr
r_sphericity_free
r_sphericity_bonded

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	1753
Nucleic Acid Atoms
Solvent Atoms	9
Heterogen Atoms	86

Software

Software
Software Name	Purpose
ADSC	data collection
PHASES	phasing
REFMAC	refinement
DENZO	data reduction
SCALEPACK	data scaling