1RP3 | pdb_00001rp3

Cocrystal structure of the flagellar sigma/anti-sigma complex, Sigma-28/FlgM

X-RAY DIFFRACTION

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Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION, HANGING DROP	6.5	277	16.2% PEG 8000, 0.09M SODIUM CACODYLATE, 0.18M CALCIUM ACETATE, 3% ISOPROPANOL, pH 6.5, VAPOR DIFFUSION, HANGING DROP, temperature 277K, pH 6.50

Crystal Properties
Matthews coefficient	Solvent content
2.88	57.25

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 76.388	α = 90
b = 119.666	β = 107
c = 100.056	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						M	MAD

Data Collection

Overall
ID #	Resolution (High)	Resolution (Low)	Percent Possible (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	2.3	30	99.9	16			76085		2.5	26.1

Highest Resolution Shell
ID #	Resolution (High)	Resolution (Low)	Percent Possible (All)	Percent Possible (Observed)	Mean I Over Sigma (Observed)	Redundancy	Number Unique Reflections (All)
	2.3	2.38	99.9		2.7

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-Factor (Observed)	R-Work (Depositor)	R-Work (DCC)	R-Free (Depositor)	R-Free (DCC)	R-Free Selection Details	Mean Isotropic B
X-RAY DIFFRACTION	MAD	THROUGHOUT	2.3	29.92	70618	3388	92.5	0.242	0.242	0.24	0.262	0.26	RANDOM	50.6

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]
5.84		11.35	-19.55		13.71

RMS Deviations
Key	Refinement Restraint Deviation
c_dihedral_angle_d	18.2
c_scangle_it	3.59
c_mcangle_it	2.67
c_scbond_it	2.34
c_mcbond_it	1.55
c_improper_angle_d	1.3
c_angle_deg	1.1
c_bond_d	0.008
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	9037
Nucleic Acid Atoms
Solvent Atoms	73
Heterogen Atoms

Software

Software
Software Name	Purpose
CNS	refinement
REFMAC	refinement