1PP9

Bovine cytochrome bc1 complex with stigmatellin bound

X-RAY DIFFRACTION

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Starting Model(s)

Initial Refinement Model(s)
Type	Source	Accession Code	Details
experimental model	PDB	1BE3	PDB ENTRIES 1BE3, 2BCC
experimental model	PDB	2BCC	PDB ENTRIES 1BE3, 2BCC

Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1		6.65	277	PEG-3350, JEFFAMINE, GLYCEROL, CACODYLATE, HEXYLGLUCOSIDE, pH 6.65, VAPOR DIFFUSION, SITTING DROP, temperature 277K

Crystal Properties
Matthews coefficient	Solvent content
2.883	46.8

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 139.117	α = 90
b = 171.055	β = 90
c = 227.204	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	ADSC QUANTUM 4	SI(311)MONOCHROMATOR (HORIZONTAL) FLAT MIRROR (VERTICAL)	2002-03-28	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	SSRL BEAMLINE BL9-1		SSRL	BL9-1

Data Collection

Overall
ID #	Resolution (High)	Resolution (Low)	Percent Possible (Observed)	R Sym 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	2.1	50	97.2	0.12	10.9	5.9		312369		-3	27.3

Highest Resolution Shell
ID #	Resolution (High)	Resolution (Low)	Percent Possible (All)	Percent Possible (Observed)	R-Sym I (Observed)	Mean I Over Sigma (Observed)	Redundancy	Number Unique Reflections (All)
1	2.1	2.18	83		0.99	1.037

Refinement

Statistics
Diffraction ID	Structure Solution Method	Cross Validation method	Starting model	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 USING NATIVE BOVINE AND STIGMATELLIN-BOUND CHICKEN STRUCTURES	THROUGHOUT	PDB ENTRIES 1BE3, 2BCC	2.1	24.98	305496	305496	15194	97.3	0.25	0.25	0.287	RANDOM	46.9

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]
15.35			-0.55		-14.81

RMS Deviations
Key	Refinement Restraint Deviation
c_dihedral_angle_d	21.8
c_scangle_it	3.39
c_mcangle_it	2.21
c_scbond_it	2.15
c_angle_deg	1.5
c_mcbond_it	1.3
c_improper_angle_d	1.02
c_bond_d	0.007
c_bond_d_na
c_bond_d_prot
c_angle_d
c_angle_d_na
c_angle_d_prot
c_angle_deg_na
c_angle_deg_prot
c_dihedral_angle_d_na
c_dihedral_angle_d_prot
c_improper_angle_d_na
c_improper_angle_d_prot

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	31493
Nucleic Acid Atoms
Solvent Atoms	1437
Heterogen Atoms	1029

Software

Software
Software Name	Purpose
DENZO	data reduction
SCALEPACK	data scaling
TRUNCATE	model building
AMoRE	phasing
CNS	refinement