3ECF

Crystal structure of an ntf2-like protein (ava_4193) from anabaena variabilis atcc 29413 at 1.90 A resolution

X-RAY DIFFRACTION

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Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION, SITTING DROP	6	277	2.4000M (NH4)2SO4, 0.1M MES pH 6.0, NANODROP, VAPOR DIFFUSION, SITTING DROP, temperature 277K

Crystal Properties
Matthews coefficient	Solvent content
2.14	42.47

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 74.056	α = 90
b = 74.056	β = 90
c = 189.378	γ = 90

Symmetry
Space Group	P 41 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	MARMOSAIC 325 mm CCD	Flat mirror (vertical focusing)	2008-08-06	M	MAD

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	SSRL BEAMLINE BL11-1	0.91837,0.97864	SSRL	BL11-1

Data Collection

Overall
ID #	Resolution (High)	Resolution (Low)	Percent Possible (Observed)	R Merge I (Observed)	R Sym 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	1.9	29.323	100	0.154	0.154	4.213	7.2		42557			15.218

Highest Resolution Shell
ID #	Resolution (High)	Resolution (Low)	Percent Possible (All)	Percent Possible (Observed)	R Merge I (Observed)	R-Sym I (Observed)	Mean I Over Sigma (Observed)	Redundancy	Number Unique Reflections (All)
1	1.9	1.95	100		0.668	0.668	1.1	7.3	3089

Refinement

Statistics
Diffraction ID	Structure Solution Method	Cross Validation method	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	MAD	THROUGHOUT	1.9	29.323	42468	2144	99.95	0.184	0.182	0.222	RANDOM	21.847

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]
0.03			0.03		-0.06

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	34.233
r_dihedral_angle_4_deg	14.999
r_dihedral_angle_3_deg	10.675
r_scangle_it	5.028
r_dihedral_angle_1_deg	4.695
r_scbond_it	3.872
r_mcangle_it	2.011
r_angle_refined_deg	1.683
r_mcbond_it	1.437
r_angle_other_deg	1.323
r_mcbond_other	0.261
r_symmetry_vdw_other	0.208
r_nbd_refined	0.174
r_nbtor_refined	0.171
r_nbd_other	0.148
r_symmetry_vdw_refined	0.131
r_xyhbond_nbd_refined	0.117
r_chiral_restr	0.1
r_symmetry_hbond_refined	0.098
r_nbtor_other	0.073
r_bond_refined_d	0.017
r_gen_planes_refined	0.007
r_bond_other_d	0.004
r_gen_planes_other	0.003

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	4125
Nucleic Acid Atoms
Solvent Atoms	383
Heterogen Atoms	51

Software

Software
Software Name	Purpose
REFMAC	refinement
PHENIX	refinement
SHELX	phasing
MolProbity	model building
SCALA	data scaling
PDB_EXTRACT	data extraction
MOSFLM	data reduction
SHELXD	phasing
autoSHARP	phasing