2AHP

GCN4 leucine zipper, mutation of Lys15 to epsilon-azido-Lys

X-RAY DIFFRACTION

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Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION, HANGING DROP	8.5	295	0.065 M Tris, 5.2% w/v PEG 8000, 35% v/v anhydrous glycerol, pH 8.5, VAPOR DIFFUSION, HANGING DROP, temperature 295K

Crystal Properties
Matthews coefficient	Solvent content
2.02	38.97

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 100.162	α = 90
b = 30.397	β = 95.21
c = 21.716	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	IMAGE PLATE	RIGAKU RAXIS IV	osmic confocal mirrors	2004-07-01	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	ROTATING ANODE	RIGAKU RU200	1.5418

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	29.08	98.7	0.036	10.6	3.49		4473		2

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)
	2	2.07	98	98	0.14	3.4

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 (All)	R-Factor (Observed)	R-Work	R-Free	R-Free Selection Details	Mean Isotropic B
X-RAY DIFFRACTION	MOLECULAR REPLACEMENT	THROUGHOUT	2	29.08	4472	204	98.72	0.192	0.192	0.189	0.263	RANDOM	17.043

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]
-0.15		-0.77	0.45		-0.44

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	32.111
r_dihedral_angle_3_deg	14.942
r_dihedral_angle_4_deg	11.931
r_dihedral_angle_1_deg	4.588
r_scangle_it	4.096
r_scbond_it	2.549
r_angle_refined_deg	1.204
r_mcangle_it	1.196
r_mcbond_it	0.841
r_angle_other_deg	0.78
r_symmetry_hbond_refined	0.455
r_symmetry_vdw_refined	0.298
r_xyhbond_nbd_refined	0.23
r_nbd_refined	0.206
r_symmetry_vdw_other	0.197
r_nbd_other	0.171
r_nbtor_refined	0.171
r_mcbond_other	0.159
r_nbtor_other	0.082
r_chiral_restr	0.068
r_bond_refined_d	0.012
r_gen_planes_refined	0.004
r_bond_other_d	0.001
r_gen_planes_other	0.001

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	544
Nucleic Acid Atoms
Solvent Atoms	65
Heterogen Atoms

Software

Software
Software Name	Purpose
d*TREK	data scaling
REFMAC	refinement
PDB_EXTRACT	data extraction
CrystalClear	data reduction
PHASER	phasing