2D3E

Crystal structure of the C-Terminal fragment of rabbit skeletal alpha-tropomyosin

X-RAY DIFFRACTION

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Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION, SITTING DROP	5.2	293	MPD, AMMONIUM ACETATE, SODIUM CITRATE, pH 5.20, VAPOR DIFFUSION, SITTING DROP, temperature 293.0K

Crystal Properties
Matthews coefficient	Solvent content
2.7	53.8

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 39.08	α = 101.49
b = 46.86	β = 101.66
c = 95.26	γ = 90.13

Symmetry
Space Group	P 1

Diffraction

Diffraction Experiment
ID #	Crystal ID	Scattering Type	Data Collection Temperature	Detector	Detector Type	Details	Collection Date	Monochromator	Protocol
1	1	x-ray	90	CCD	ADSC QUANTUM 210		2005-04-13	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	SPRING-8 BEAMLINE BL44B2	1.0000	SPring-8	BL44B2

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	2.6	45.67	97.4	0.06	29	16.56	19366	19366			83.7

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)
	2.6	2.69	97.4		0.184	9	17

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 (Observed)	R-Work	R-Free	R-Free Selection Details	Mean Isotropic B
X-RAY DIFFRACTION	MR	THROUGHOUT	PDB CODE 1IC2	2.6	45.67	19366	19366	986		0.254	0.249	0.309	RANDOM	90.5

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]
6.2	-4.68	10.15	-35.4	-17.32	29.2

RMS Deviations
Key	Refinement Restraint Deviation
c_dihedral_angle_d	16.1
c_scangle_it	12.4
c_scbond_it	8.87
c_mcangle_it	7.89
c_mcbond_it	5.57
c_angle_deg	0.9
c_improper_angle_d	0.56
c_bond_d	0.005
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

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	4142
Nucleic Acid Atoms
Solvent Atoms	146
Heterogen Atoms

Software

Software
Software Name	Purpose
CRYSTAL	data collection
CRYSTAL	data reduction
AMOLE	model building
CNS	refinement
CrystalClear	data reduction
CrystalClear	data scaling
AMoRE	phasing