1TN4

FOUR CALCIUM TNC

X-RAY DIFFRACTION

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Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1		7.2		54% MPD 50 MM HEPES, PH 7.2 10 MM CACL2 1 MM NA-AZIDE

Crystal Properties
Matthews coefficient	Solvent content
2.6	53

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 32.34	α = 90
b = 57.554	β = 90
c = 102.13	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	160	IMAGE PLATE	MARRESEARCH	MIRRORS	1996-06-25	M

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	ROTATING ANODE	ELLIOTT GX-13

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	1.93	25	97.8	0.072	0.09	10.8	11		14374

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)
	1.9	2.2	92.05		0.16	0.16	24	6.1

Refinement

Statistics
Diffraction ID	Structure Solution Method	Cross Validation method	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	SINGLE ISOMORPHOUS REPLACEMENT, DENSITY MODIFICATION	A POSTERIORI	1.95	10	14091	705		0.189	0.265	RANDOM R VALUE (WORKING + TEST SET) : NULL

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
o_dihedral_angle_d	20.58
o_improper_angle_d	1.7
o_angle_deg	1.65
o_bond_d	0.015
o_bond_d_na
o_bond_d_prot
o_angle_d
o_angle_d_na
o_angle_d_prot
o_angle_deg_na
o_angle_deg_prot
o_dihedral_angle_d_na
o_dihedral_angle_d_prot
o_improper_angle_d_na
o_improper_angle_d_prot
o_mcbond_it
o_mcangle_it
o_scbond_it
o_scangle_it

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	1239
Nucleic Acid Atoms
Solvent Atoms	192
Heterogen Atoms	7

Software

Software
Software Name	Purpose
ARP/wARP	model building
DENZO	data reduction
SCALEPACK	data scaling