2FHN

Avidin related protein AVR4 (C122S, K109I mutant) in complex with BNA

X-RAY DIFFRACTION

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Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION, HANGING DROP	4.6	298	3. M farmat, 0.1M acetate, pH 4.6, VAPOR DIFFUSION, HANGING DROP, temperature 298K

Crystal Properties
Matthews coefficient	Solvent content
2.92	57.86

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 77.592	α = 90
b = 77.592	β = 90
c = 109.727	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	110	CCD	ADSC QUANTUM 4		2005-02-26	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	ESRF BEAMLINE ID14-4	0.97	ESRF	ID14-4

Data Collection

Overall
ID #	Resolution (High)	Resolution (Low)	Percent Possible (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	1.3	40	99.6	0.036	22	5.4		82848	2	2

Highest Resolution Shell
ID #	Resolution (High)	Resolution (Low)	Percent Possible (All)	Percent Possible (Observed)	Mean I Over Sigma (Observed)	Redundancy	Number Unique Reflections (All)
1	1.3	1.32	99.6

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 (All)	R-Factor (Observed)	R-Work	R-Free	R-Free Selection Details	Mean Isotropic B
X-RAY DIFFRACTION	FOURIER SYNTHESIS	THROUGHOUT	PDB Entry 1Y55	1.3	40	78516	4132	99.84	0.152	0.15183	0.1511	0.1656	RANDOM	12.338

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]
-0.11			-0.11		0.23

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_1_deg	7.072
r_scangle_it	3.007
r_sphericity_free	2.368
r_scbond_it	2.156
r_mcangle_it	1.524
r_sphericity_bonded	1.487
r_angle_refined_deg	1.475
r_rigid_bond_restr	1.209
r_angle_other_deg	0.881
r_mcbond_it	0.881
r_chiral_restr	0.428
r_symmetry_vdw_other	0.284
r_nbd_other	0.261
r_nbd_refined	0.195
r_symmetry_vdw_refined	0.177
r_xyhbond_nbd_refined	0.102
r_nbtor_other	0.087
r_symmetry_hbond_refined	0.083
r_bond_refined_d	0.011
r_gen_planes_other	0.009
r_gen_planes_refined	0.007
r_bond_other_d	0.003

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	1846
Nucleic Acid Atoms
Solvent Atoms	227
Heterogen Atoms	68

Software

Software
Software Name	Purpose
REFMAC	refinement
HKL-2000	data reduction
SCALEPACK	data scaling