4M8I | pdb_00004m8i

1.43 Angstrom resolution crystal structure of cell division protein FtsZ (ftsZ) from Staphylococcus epidermidis RP62A in complex with GDP

X-RAY DIFFRACTION

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Starting Model(s)

Initial Refinement Model(s)
Type	Source	Accession Code	Details
experimental model	PDB	3VO8	PDB ENTRY 3VO8

Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION, SITTING DROP	8.5	295	6.7 mg/mL protein in 10 mM Tris-HCl, pH 8.3, 0.25 M sodium chloride, 5 mM BME, crystallization conditions: Classics II G5 (#77): 0.2 M lithium sulfate, 0.1 M Tris, pH 8.5, 25% w/v PEG3350, VAPOR DIFFUSION, SITTING DROP, temperature 295K

Crystal Properties
Matthews coefficient	Solvent content
1.8	31.64

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 71.335	α = 90
b = 52.063	β = 109.64
c = 87.005	γ = 90

Symmetry
Space Group	C 1 2 1

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	MARMOSAIC 300 mm CCD	K-B mirrors	2013-06-17	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	APS BEAMLINE 21-ID-D	0.97929	APS	21-ID-D

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	1.43	30	95.8	0.055	23.42	5.1	53059	53059		-3	22.2

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	1.43	1.45	91.4		0.548	2.45	3.9	2485

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 (Depositor)	R-Work (DCC)	R-Free (Depositor)	R-Free (DCC)	R-Free Selection Details	Mean Isotropic B
X-RAY DIFFRACTION	MOLECULAR REPLACEMENT	THROUGHOUT	PDB ENTRY 3VO8	1.43	27.33	50365	50365	2693	95.76	0.17061	0.16872	0.1761	0.20616	0.2102	RANDOM	23.411

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]
-1.65		-2.77	1.41		0.98

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	32.846
r_dihedral_angle_3_deg	11.123
r_dihedral_angle_4_deg	8.118
r_dihedral_angle_1_deg	4.393
r_angle_refined_deg	1.833
r_angle_other_deg	0.814
r_chiral_restr	0.099
r_bond_refined_d	0.014
r_gen_planes_refined	0.008
r_gen_planes_other	0.002
r_bond_other_d	0.001

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	2244
Nucleic Acid Atoms
Solvent Atoms	333
Heterogen Atoms	33

Software

Software
Software Name	Purpose
Blu-Ice	data collection
PHASER	phasing
REFMAC	refinement
HKL-2000	data reduction
HKL-2000	data scaling