3ZUW

Photosynthetic Reaction Centre Mutant with TYR L128 replaced with HIS

X-RAY DIFFRACTION

---

Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION, SITTING DROP			VAPOUR DIFFUSION, SITTING DROP, 0.09% LDAO, 3.5% 1,2,3 HEPTANETRIOL, 0.75M POTASSIUM PHOSPHATE PH7.5

Crystal Properties
Matthews coefficient	Solvent content
5.73	78.6

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 139.865	α = 90
b = 139.865	β = 90
c = 184.738	γ = 120

Symmetry
Space Group	P 31 2 1

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			M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	SRS BEAMLINE PX14.1		SRS	PX14.1

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	2.3	17.9	97.9	0.07		4.3		85153		-3	43.5

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	2.31	17.87	85153	4476	97.95	0.19338	0.19176	0.2243	RANDOM	39.001

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]
0.98	0.49		0.98		-1.47

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	33.44
r_dihedral_angle_4_deg	22.36
r_dihedral_angle_3_deg	15.641
r_dihedral_angle_1_deg	6.854
r_scangle_it	5.47
r_scbond_it	3.892
r_mcangle_it	2.523
r_angle_refined_deg	2.141
r_mcbond_it	1.504
r_chiral_restr	0.161
r_bond_refined_d	0.021
r_gen_planes_refined	0.016
r_bond_other_d
r_angle_other_deg
r_gen_planes_other
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_mcbond_other
r_mcangle_other
r_scbond_other
r_scangle_other
r_long_range_B_refined
r_long_range_B_other
r_rigid_bond_restr
r_sphericity_free
r_sphericity_bonded

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	6468
Nucleic Acid Atoms
Solvent Atoms	298
Heterogen Atoms	684

Software

Software
Software Name	Purpose
REFMAC	refinement