Experiment: 4MTN

Crystal structure of transcription termination factor NusA from Planctomyces limnophilus DSM 3776

X-RAY DIFFRACTION

Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION, SITTING DROP	6.5	289	0.2M Ammonium sulfate, 22% PEG 4000, 0.1M sodium acetate, pH 6.5, VAPOR DIFFUSION, SITTING DROP, temperature 289K

Crystal Properties
Matthews coefficient	Solvent content
2.8	56.03

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 162.026	α = 90
b = 54.065	β = 110.69
c = 62.859	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	ADSC QUANTUM 315r		2012-03-25	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	APS BEAMLINE 19-ID	0.97931	APS	19-ID

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	2.6	50	99.6	0.092	23	4.6	16108	16040		-3

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	2.6	2.64	96.6		0.476	2.1	4.8	761

Refinement

Statistics
Diffraction ID	Structure Solution Method	Resolution (High)	Resolution (Low)	Cut-off Sigma (F)	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	SAD	2.579	38.677	1.35	16027	16027	802	98.52	0.2235	0.222	0.2311	0.2509	0.2574	RANDOM	73.3413

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	10.43
f_angle_deg	0.575
f_bond_d	0.002

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	3073
Nucleic Acid Atoms
Solvent Atoms	25
Heterogen Atoms	10

Software

Software
Software Name	Purpose
PHENIX	refinement
PDB_EXTRACT	data extraction
SBC-Collect	data collection
HKL-3000	data reduction
HKL-3000	data scaling
HKL-3000	phasing
MLPHARE	phasing
DM	phasing
SHELXDE	phasing
ARP/wARP	model building
RESOLVE	phasing
Coot	model building
REFMAC	refinement