1QOU

CEN (Centroradialis) protein from Antirrhinum

X-RAY DIFFRACTION

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Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1		5.5		1:1 MIX OF 13MG/ML CEN SOLUTION (10MM HEPES, 50MM NACL. PH 7) WITH 1.8 - 2.1 M NACL BUFFERED WITH 100MM SODIUM ACETATE AT PH 5.4 - 5.6

Crystal Properties
Matthews coefficient	Solvent content
2.3	39.3

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 40.89	α = 90
b = 77.65	β = 90
c = 117.97	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	MIRRORS	1999-03-15	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	SRS BEAMLINE PX7.2		SRS	PX7.2

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	1.9	40	94.9	0.057	22.4	4.2		28860			19.29

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	1.9	1.99	91.4		0.226	4.6	3.5

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-Work	R-Free	R-Free Selection Details	Mean Isotropic B
X-RAY DIFFRACTION	MOLECULAR REPLACEMENT	THROUGHOUT	1BD9	1.9	40	27357	1457	94.6	0.212	0.25	SHELLS	27.44

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]

RMS Deviations
Key	Refinement Restraint Deviation
p_transverse_tor	27.4
p_staggered_tor	14.4
p_planar_tor	3.9
p_scangle_it	2.751
p_mcangle_it	2.45
p_scbond_it	1.771
p_mcbond_it	1.607
p_multtor_nbd	0.24
p_singtor_nbd	0.174
p_xyhbond_nbd	0.154
p_planar_d	0.039
p_angle_d	0.034
p_plane_restr	0.0234
p_bond_d	0.013
p_chiral_restr	0.0115
p_angle_deg
p_hb_or_metal_coord
p_xhyhbond_nbd
p_orthonormal_tor
p_special_tor

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	2450
Nucleic Acid Atoms
Solvent Atoms	283
Heterogen Atoms

Software

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