4QTO | pdb_00004qto

1.65 Angstrom resolution crystal structure of betaine aldehyde dehydrogenase (betB) from Staphylococcus aureus with BME-modified Cys289 and PEG molecule in active site

X-RAY DIFFRACTION

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Starting Model(s)

Initial Refinement Model(s)
Type	Source	Accession Code	Details
experimental model	PDB	4MPB	PDB ENTRY 4MPB

Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION, SITTING DROP	3.5	295	7 mg/mL protein in 10 mM betaine (not observed in structure), 10 mM Tris-HCl, pH 8.3, 500 mM sodium chloride, 5 mM BME, crystallization: The Classics II Suite D4 (40): 0.1 M citric acid, pH 3.5, 25% w/v PEG3350, cryoprotectant: well solution, VAPOR DIFFUSION, SITTING DROP, temperature 295K

Crystal Properties
Matthews coefficient	Solvent content
2.86	56.97

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 224.249	α = 90
b = 102.474	β = 104.45
c = 118.178	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	beryllium lenses	2014-06-16	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	APS BEAMLINE 21-ID-G	0.97856	APS	21-ID-G

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	1.65	30	98.6	0.082	16.7	4.3	307248	307248		-3	17

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	1.65	1.68	97.5		0.631	2.5	4.3	15078

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 4MPB	1.65	29.71	290362	290362	15433	98.57	0.13689	0.1359	0.1495	0.15554	0.1667	RANDOM	18.754

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]
0.62		-0.34	-0.05		-0.43

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	33.811
r_dihedral_angle_4_deg	16.054
r_dihedral_angle_3_deg	10.897
r_dihedral_angle_1_deg	4.084
r_angle_refined_deg	1.643
r_angle_other_deg	1.14
r_chiral_restr	0.11
r_bond_refined_d	0.011
r_gen_planes_refined	0.007
r_bond_other_d	0.006
r_gen_planes_other	0.004

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	15398
Nucleic Acid Atoms
Solvent Atoms	2663
Heterogen Atoms	129

Software

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