3BXU

PpcB, A Cytochrome c7 from Geobacter sulfurreducens

X-RAY DIFFRACTION

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Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION, HANGING DROP	7.8	298	45% Jeffamine ED-2001 0.2 M ammonium iodide, pH 7.8, VAPOR DIFFUSION, HANGING DROP, temperature 298K

Crystal Properties
Matthews coefficient	Solvent content
2.33	47.3

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 34.2	α = 90
b = 47.5	β = 90
c = 88.9	γ = 90

Symmetry
Space Group	P 21 21 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	CUSTOM-MADE		2003-12-18	M	MAD

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	APS BEAMLINE 19-BM	1.73766, 1.73859, 1.78875	APS	19-BM

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	1.35	50	93	0.089	22.4	3.3		58322

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)
	1.35	1.4	62		0.342	2.5	1.6	3851

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	MAD	THROUGHOUT	1.35	19.07	27324	3006	93	0.16411	0.16168	0.18575	RANDOM	7.746

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]
-0.05			0.06		-0.01

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_1_deg	6.201
r_sphericity_free	3.117
r_scangle_it	2.706
r_scbond_it	1.968
r_angle_other_deg	1.877
r_sphericity_bonded	1.741
r_angle_refined_deg	1.648
r_mcangle_it	1.491
r_rigid_bond_restr	1.067
r_mcbond_it	0.944
r_nbd_refined	0.404
r_nbd_other	0.24
r_symmetry_vdw_other	0.235
r_symmetry_hbond_refined	0.221
r_symmetry_vdw_refined	0.18
r_xyhbond_nbd_refined	0.161
r_chiral_restr	0.101
r_nbtor_other	0.092
r_gen_planes_other	0.029
r_bond_refined_d	0.016
r_metal_ion_refined	0.016
r_gen_planes_refined	0.015
r_bond_other_d	0.002

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	1076
Nucleic Acid Atoms
Solvent Atoms	201
Heterogen Atoms	263

Software

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