2E74

Crystal Structure of the Cytochrome b6f Complex from M.laminosus

X-RAY DIFFRACTION

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Crystallization

Crystal Properties
Matthews coefficient	Solvent content
6.06715	79.726891

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 158.343	α = 90
b = 158.343	β = 90
c = 361.094	γ = 120

Symmetry
Space Group	P 61 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 315		2006-04-07	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	APS BEAMLINE 19-ID	0.97934	APS	19-ID

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	3	137.4	99.7	0.073		4.2		54187		-3	96.8

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	3	39.3	51446	2740	99.65	0.22454	0.22224	0.26843	RANDOM	66.528

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]
1.19	0.66		1.19		-1.79

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	31.221
r_dihedral_angle_3_deg	17.508
r_dihedral_angle_4_deg	15.386
r_scangle_it	13.579
r_scbond_it	9.887
r_mcangle_it	6.49
r_dihedral_angle_1_deg	6.356
r_mcbond_it	4.328
r_angle_refined_deg	1.887
r_symmetry_vdw_refined	0.384
r_nbtor_refined	0.351
r_nbd_refined	0.337
r_xyhbond_nbd_refined	0.204
r_metal_ion_refined	0.183
r_symmetry_hbond_refined	0.163
r_chiral_restr	0.118
r_bond_refined_d	0.014
r_gen_planes_refined	0.005
r_bond_other_d
r_angle_other_deg
r_gen_planes_other
r_nbd_other
r_nbtor_other
r_xyhbond_nbd_other
r_metal_ion_other
r_symmetry_vdw_other
r_symmetry_hbond_other
r_symmetry_metal_ion_refined
r_symmetry_metal_ion_other
r_mcbond_other
r_rigid_bond_restr
r_sphericity_free
r_sphericity_bonded

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	7439
Nucleic Acid Atoms
Solvent Atoms	5
Heterogen Atoms	581

Software

Software
Software Name	Purpose
REFMAC	refinement
HKL-2000	data reduction
HKL-2000	data scaling
MOLREP	phasing