1SQX

Crystal Structure Analysis of Bovine Bc1 with Stigmatellin A

X-RAY DIFFRACTION

---

Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION	7.2	277	20mM ammonium acetate, 20% glycerol, 12% PEG4000, 0.5M KCl, 0.1% diheptanoyl-phosphatidylcholine , pH 7.2, VAPOR DIFFUSION, temperature 277K

Crystal Properties
Matthews coefficient	Solvent content
3.64	66.23

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 154.385	α = 90
b = 154.385	β = 90
c = 590.271	γ = 90

Symmetry
Space Group	I 41 2 2

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	mirrors	2000-08-27	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	APS BEAMLINE 14-BM-C	1.00	APS	14-BM-C

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	2.5	100	93.7				115861		-2

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	R-Free	R-Free Selection Details	Mean Isotropic B
X-RAY DIFFRACTION	FOURIER SYNTHESIS	THROUGHOUT	1qcr	2.6	40	100126	100126	3133	94.23	0.23464	0.23464	0.23317	0.28079	RANDOM	33.491

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]
2.11			2.11		-4.22

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_1_deg	9.76
r_scangle_it	4.795
r_scbond_it	3.384
r_angle_refined_deg	1.633
r_mcangle_it	1.606
r_mcbond_it	0.34
r_nbd_refined	0.145
r_symmetry_hbond_refined	0.13
r_symmetry_vdw_refined	0.129
r_chiral_restr	0.123
r_xyhbond_nbd_refined	0.106
r_bond_refined_d	0.019
r_gen_planes_refined	0.014
r_bond_other_d
r_angle_other_deg
r_dihedral_angle_2_deg
r_dihedral_angle_3_deg
r_dihedral_angle_4_deg
r_gen_planes_other
r_nbd_other
r_nbtor_refined
r_nbtor_other
r_xyhbond_nbd_other
r_metal_ion_refined
r_metal_ion_other
r_symmetry_vdw_other
r_symmetry_hbond_other
r_mcbond_other
r_rigid_bond_restr
r_sphericity_free
r_sphericity_bonded

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	16497
Nucleic Acid Atoms
Solvent Atoms	288
Heterogen Atoms	193

Software

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