2B1L

Crystal structure of N-terminal 57 residue deletion mutant of E. coli CcmG protein(residues 58-185)

X-RAY DIFFRACTION

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Starting Model(s)

Initial Refinement Model(s)
Type	Source	Accession Code	Details
experimental model	PDB	1KNG	structure of E.coli CcmG

Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	Seeding	7.8	293	HEPES buffer, ammonium sulfate, PEG 4000, pH 7.8, Seeding, temperature 293.0K

Crystal Properties
Matthews coefficient	Solvent content
2.2	41.56

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 37.691	α = 90
b = 43.349	β = 94.94
c = 78.986	γ = 90

Symmetry
Space Group	P 1 21 1

Diffraction

Diffraction Experiment
ID #	Crystal ID	Scattering Type	Data Collection Temperature	Detector	Detector Type	Details	Collection Date	Monochromator	Protocol
1	1	x-ray	293	CCD	MARRESEARCH		2005-03-10	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	BSRF BEAMLINE 3W1A	1.0000	BSRF	3W1A

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	50	98.1	0.053			20230	19846			16.1

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)
	1.9	1.97	85.2		0.233			1722

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	structure of E.coli CcmG	1.9	29.14	20283	19228	1891	94.8	0.196	0.193	0.193	0.231	RANDOM	27.4

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]
5.82		-4.33	-2.78		-3.05

RMS Deviations
Key	Refinement Restraint Deviation
c_dihedral_angle_d	24
c_scangle_it	3.44
c_mcangle_it	2.32
c_scbond_it	2.28
c_mcbond_it	1.44
c_angle_deg	1.2
c_improper_angle_d	0.75
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	2066
Nucleic Acid Atoms
Solvent Atoms	139
Heterogen Atoms

Software

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