1XZO

Identification of a disulfide switch in BsSco, a member of the Sco family of cytochrome c oxidase assembly proteins

X-RAY DIFFRACTION

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Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION, HANGING DROP	6.5	298	PEG5K MME, CdCl2, CaCl2, MES, pH 6.5, VAPOR DIFFUSION, HANGING DROP, temperature 298K

Crystal Properties
Matthews coefficient	Solvent content
3.12	60.3

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 68.033	α = 90
b = 68.033	β = 90
c = 191.733	γ = 120

Symmetry
Space Group	P 32 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		2003-06-27	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	NSLS BEAMLINE X12B	0.97960	NSLS	X12B

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	1.7	64.55				57817	54348

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	1.7	1.76	0.94

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	SAD	THROUGHOUT	1.702	37.2	57817	51554	2771	94.6	0.24088	0.23824	0.28935	RANDOM	26.669

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]
0.35	0.17		0.35		-0.52

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_1_deg	7.748
r_scangle_it	5.922
r_scbond_it	4.009
r_mcangle_it	2.708
r_angle_refined_deg	2.388
r_mcbond_it	1.618
r_angle_other_deg	1.147
r_metal_ion_refined	0.515
r_symmetry_hbond_refined	0.506
r_symmetry_vdw_refined	0.363
r_nbd_refined	0.331
r_xyhbond_nbd_refined	0.315
r_nbd_other	0.271
r_symmetry_vdw_other	0.27
r_chiral_restr	0.162
r_nbtor_other	0.096
r_bond_refined_d	0.031
r_gen_planes_refined	0.011
r_bond_other_d	0.003
r_gen_planes_other	0.002

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	2721
Nucleic Acid Atoms
Solvent Atoms	388
Heterogen Atoms	19

Software

Software
Software Name	Purpose
REFMAC	refinement
DENZO	data reduction
SCALEPACK	data scaling
SOLVE	phasing