Experiment: 2A06

Bovine cytochrome bc1 complex with stigmatellin bound

X-RAY DIFFRACTION

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	VAPOR DIFFUSION, SITTING DROP	6.65	277	PEG-3350, JEFFAMINE, GLYCEROL, CACODYLATE, HEXYLGLUCOSIDE , pH 6.65, VAPOR DIFFUSION, SITTING DROP, temperature 277K

Crystal Properties
Matthews coefficient	Solvent content
2.76	55.16

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 128.252	α = 90
b = 168.8	β = 90
c = 230.818	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		2002-03-28	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	ALS BEAMLINE 5.0.1	1.0	ALS	5.0.1

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	1.99	60	89.7	0.106	6.1	2.6	305544	305544		-3	29

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	1.99	2.03	51.9		0.914	0.684		8753

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 (All)	R-Factor (Observed)	R-Work (Depositor)	R-Work (DCC)	R-Free (Depositor)	R-Free (DCC)	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	37.87	276810	276810	13747	95.3	0.224	0.224	0.222	0.2121	0.258	0.2462	RANDOM	50.3

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]
1.26			2.41		-3.67

RMS Deviations
Key	Refinement Restraint Deviation
c_dihedral_angle_d	21.9
c_scangle_it	5.06
c_scbond_it	3.73
c_mcangle_it	3.28
c_mcbond_it	2.28
c_angle_deg	1.6
c_improper_angle_d	1.14
c_bond_d	0.009

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	31229
Nucleic Acid Atoms
Solvent Atoms	1612
Heterogen Atoms	1049

Software

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