7N7V | pdb_00007n7v

Crystal structure of TtnM, a Fe(II)-alpha-ketoglutarate-dependent hydroxylase from the tautomycetin biosynthesis pathway in Streptomyces griseochromogenes at 2 A.

X-RAY DIFFRACTION

Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION, SITTING DROP	7.5	298	0.2 M magnesium chloride, 0.1 M HEPES, pH 7.5, 25% (w/v) PEG 3350

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 50.57	α = 90
b = 84.516	β = 90
c = 168.92	γ = 90

Symmetry
Space Group	P 21 21 21

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	RAYONIX MX225HE		2015-07-22	M	SINGLE WAVELENGTH
2	2	x-ray	100	CCD	RAYONIX MX-300		2015-11-15	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	APS BEAMLINE 31-ID	0.9793	APS	31-ID
2	SYNCHROTRON	APS BEAMLINE 23-ID-B	0.9794	APS	23-ID-B

Data Collection

Overall
ID #	Resolution (High)	Resolution (Low)	Percent Possible (Observed)	R Merge I (Observed)	Rrim I (All)	CC (Half)	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	1.99	48.45	99.2	0.101	0.109	0.998	11.77	7.029		99754			40.06

Highest Resolution Shell
ID #	Resolution (High)	Resolution (Low)	Percent Possible (All)	Percent Possible (Observed)	R Merge I (Observed)	Rrim I (All)	CC (Half)	Mean I Over Sigma (Observed)	Redundancy	Number Unique Reflections (All)
1	1.99	2.11	95.6		1.557	1.732	0.534	1.1	5.167

Refinement

Statistics
Diffraction ID	Structure Solution Method	Cross Validation method	Resolution (High)	Resolution (Low)	Cut-off Sigma (F)	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	SAD	THROUGHOUT	1.99	48.45	1.91	94470	4277	98.85	0.1886	0.1869	0.19	0.2233	0.22	Random	55.796

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]

RMS Deviations
Key	Refinement Restraint Deviation
f_dihedral_angle_d	11.7766
f_angle_d	0.623
f_chiral_restr	0.0449
f_bond_d	0.0061
f_plane_restr	0.0061

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	4957
Nucleic Acid Atoms
Solvent Atoms	255
Heterogen Atoms	5

Software

Software
Software Name	Purpose
XDS	data reduction
XDS	data scaling
RESOLVE	model building
PHENIX	refinement
PDB_EXTRACT	data extraction
AutoSol	phasing

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.