21OT | pdb_000021ot

structure of IFP35 NID domain octamer form

X-RAY DIFFRACTION

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Starting Model(s)

Initial Refinement Model(s)
Type	Source	Accession Code	Details
experimental model	Other		selenomethione phasing

Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
2	VAPOR DIFFUSION, HANGING DROP		289	0.2M ammonium sulfate, 0.1M Bis-Tris pH5.5, 22% (w/v) polyethylene glycol 3350

Crystal Properties
Matthews coefficient	Solvent content
2.91	57.8

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 44.412	α = 90
b = 125.318	β = 90.32
c = 77.175	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
2	2	x-ray	100	CCD	ADSC QUANTUM 315		2011-04-13	M	SINGLE WAVELENGTH
1	2	100	CCD	ADSC QUANTUM 315		2011-04-13

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
2	SYNCHROTRON	SSRF BEAMLINE BL17U	0.97915	SSRF	BL17U
1	SYNCHROTRON	SSRF BEAMLINE BL17U	0.97915	SSRF	BL17U

Data Collection

Overall
ID #	Resolution (High)	Resolution (Low)	Percent Possible (Observed)	R Merge I (Observed)	Rrim I (All)	Rpim 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
2	2.47	36.8	98.6	0.11	0.156	0.139	0.973	21	1.8		29302			36.056

Highest Resolution Shell
ID #	Resolution (High)	Resolution (Low)	Percent Possible (All)	Percent Possible (Observed)	R Merge I (Observed)	Rrim I (All)	Rpim I (All)	CC (Half)	Mean I Over Sigma (Observed)	Redundancy	Number Unique Reflections (All)
2	2.47	2.57	93.2		0.261	0.37	0.432	0.847	7.6	1.9

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)	Mean Isotropic B
X-RAY DIFFRACTION	MOLECULAR REPLACEMENT	FREE R-VALUE	2.5	36.714	1.35	28057	1424	96.03	0.2088	0.2064	0.2119	0.253	0.2591

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	13.032
f_angle_d	0.639
f_chiral_restr	0.023
f_bond_d	0.003
f_plane_restr	0.003

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	5141
Nucleic Acid Atoms
Solvent Atoms	121
Heterogen Atoms

Software

Software
Software Name	Purpose
PHENIX	refinement
PHASER	phasing
PDB_EXTRACT	data extraction
HKL-2000	data reduction
HKL-2000	data scaling