2BCC

STIGMATELLIN-BOUND CYTOCHROME BC1 COMPLEX FROM CHICKEN

X-RAY DIFFRACTION

---

Starting Model(s)

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

Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1		6.7		20MM KMES PH6.7, 75MM NACL, 10% GLYCEROL, AND 6% PEG4000, INHIBITOR WAS ADDED FROM ETHANOLIC SOLUTION

Crystal Properties
Matthews coefficient	Solvent content
3.93	68.7

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 173.46	α = 90
b = 182.45	β = 90
c = 241.33	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	IMAGE PLATE	MARRESEARCH	MIRROR	1997-10-04	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	SSRL BEAMLINE BL7-1		SSRL	BL7-1

Data Collection

Overall
ID #	Resolution (High)	Resolution (Low)	Percent Possible (Observed)	R Merge I (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	3	10000	77.1	0.131	0.131	6	2.9		117928			19

Highest Resolution Shell
ID #	Resolution (High)	Resolution (Low)	Percent Possible (All)	Percent Possible (Observed)	R Merge I (Observed)	R-Sym I (Observed)	Mean I Over Sigma (Observed)	Redundancy	Number Unique Reflections (All)
1	3.38	3.56	75		0.459	0.459	1.6	2.2

Refinement

Statistics
Diffraction ID	Structure Solution Method	Cross Validation method	Starting model	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 USING NATIVE STRUCTURE SOLVED BY THE SAME AUTHOR	THROUGHOUT	PDB 1BCC	3.5	12	80760	4034	85.6	0.284	0.284	0.317	RANDOM	4.6

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]
-19.43			14.79		4.64

RMS Deviations
Key	Refinement Restraint Deviation
c_dihedral_angle_d	20.8
c_angle_deg	1.9
c_improper_angle_d	1.02
c_bond_d	0.011
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
c_mcbond_it
c_mcangle_it
c_scbond_it
c_scangle_it

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	15439
Nucleic Acid Atoms
Solvent Atoms
Heterogen Atoms	315

Software

Software
Software Name	Purpose
DENZO	data reduction
SCALEPACK	data scaling
ALMN	model building
TFFC	model building
RAVE	model building
CNS	refinement
CCP4	phasing
TFFC	phasing
RAVE	phasing