3QUA

Crystal structure of a putative uncharacterized protein and possible Molybdenum cofactor protein from Mycobacterium smegmatis

X-RAY DIFFRACTION

Starting Model(s)

Initial Refinement Model(s)
Type	Source	Accession Code	Details
experimental model	PDB	2A33	PDB ENTRY 2A33

Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION, SITTING DROP	8.5	289	MysmA.00620.b.A1.PW29675 at 15.2 mg/mL against PACT screen condition H12, 0.2 M Na malonate, 0.1 M BisTris propane pH 8.5, 20% PEG 3350, crystal tracking ID 216038h12, VAPOR DIFFUSION, SITTING DROP, temperature 289K

Crystal Properties
Matthews coefficient	Solvent content
2.92	57.88

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 123.69	α = 90
b = 123.69	β = 90
c = 64.59	γ = 90

Symmetry
Space Group	P 42 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 315r		2011-02-10	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	ALS BEAMLINE 5.0.1	0.97946	ALS	5.0.1

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	2.1	50	98.9	0.089	23.67	12.4	29830	29503		-3	27.511

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	2.1	2.15	100		0.402	6.61	12.9	2184

Refinement

Statistics
Diffraction ID	Structure Solution Method	Cross Validation method	Starting model	Resolution (High)	Resolution (Low)	Number Reflections (Observed)	Number Reflections (R-Free)	Percent Reflections (Observed)	R-Factor (Observed)	R-Work	R-Free	R-Free Selection Details	Mean Isotropic B
X-RAY DIFFRACTION	MOLECULAR REPLACEMENT	THROUGHOUT	PDB ENTRY 2A33	2.1	50	29387	1485	98.53	0.1677	0.1654	0.211	RANDOM	21.4869

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]
-0.68			-0.68		1.35

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	36.683
r_dihedral_angle_4_deg	20
r_dihedral_angle_3_deg	13.111
r_dihedral_angle_1_deg	5.222
r_scangle_it	4.025
r_scbond_it	2.495
r_angle_refined_deg	1.362
r_mcangle_it	1.347
r_mcbond_it	0.746
r_chiral_restr	0.096

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	36.683
r_dihedral_angle_4_deg	20
r_dihedral_angle_3_deg	13.111
r_dihedral_angle_1_deg	5.222
r_scangle_it	4.025
r_scbond_it	2.495
r_angle_refined_deg	1.362
r_mcangle_it	1.347
r_mcbond_it	0.746
r_chiral_restr	0.096
r_bond_refined_d	0.016
r_gen_planes_refined	0.007

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	2666
Nucleic Acid Atoms
Solvent Atoms	348
Heterogen Atoms	2

Software

Software
Software Name	Purpose
XSCALE	data scaling
PHASER	phasing
REFMAC	refinement
PDB_EXTRACT	data extraction
BOIS	data collection
XDS	data reduction

RCSB PDB Core Operations are funded by the U.S. National Science Foundation (DBI-2321666), the US Department of Energy (DE-SC0019749), and the National Cancer Institute, National Institute of Allergy and Infectious Diseases, and National Institute of General Medical Sciences of the National Institutes of Health under grant R01GM157729.