2A18

carboxysome shell protein ccmK4, crystal form 2

X-RAY DIFFRACTION

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Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION, HANGING DROP	4.6	293	0.1M sodium citrate, pH 4.6, 30% PEG 4000, 0.2M ammonium acetate, VAPOR DIFFUSION, HANGING DROP, temperature 293K

Crystal Properties
Matthews coefficient	Solvent content
2.2	43.6

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 70.549	α = 90
b = 125.04	β = 90
c = 32.521	γ = 90

Symmetry
Space Group	P 21 21 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 210		2005-06-11	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	ALS BEAMLINE 8.2.1	0.95373	ALS	8.2.1

Data Collection

Overall
ID #	Resolution (High)	Resolution (Low)	Percent Possible (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	2.28	90	99.9	0.113	23.2	13.6	13846	13846			42.5

Highest Resolution Shell
ID #	Resolution (High)	Resolution (Low)	Percent Possible (All)	Percent Possible (Observed)	R-Sym I (Observed)	Mean I Over Sigma (Observed)	Redundancy	Number Unique Reflections (All)
1	2.28	2.36	100		0.373	8.7	13.9	1346

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	MOLECULAR REPLACEMENT	THROUGHOUT	2A10	2.28	62.5	13071	13071	686	99.81	0.20364	0.20364	0.20262	0.22236	RANDOM	35.61

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]
-1.78			1.3		0.48

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	36.437
r_dihedral_angle_4_deg	18.779
r_dihedral_angle_3_deg	13.374
r_dihedral_angle_1_deg	4.292
r_scangle_it	2.019
r_scbond_it	1.161
r_mcangle_it	1.129
r_angle_refined_deg	1.006
r_mcbond_it	0.635
r_nbtor_refined	0.291
r_nbd_refined	0.19
r_symmetry_vdw_refined	0.158
r_symmetry_hbond_refined	0.12
r_xyhbond_nbd_refined	0.103
r_chiral_restr	0.064
r_bond_refined_d	0.008
r_gen_planes_refined	0.003

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	2325
Nucleic Acid Atoms
Solvent Atoms	80
Heterogen Atoms	3

Software

Software
Software Name	Purpose
Blu-Ice	data collection
SCALEPACK	data scaling
PHASER	phasing
REFMAC	refinement