2FMF

Crystal structure of CheY in complex with CheZ 200-214 solved from a F432 crystal grown in Hepes (pH 7.5)

X-RAY DIFFRACTION

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Starting Model(s)

Initial Refinement Model(s)
Type	Source	Accession Code	Details
experimental model	PDB	1FQW	PDB ENTRY 1FQW

Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION, HANGING DROP	7.5	298	2M ammonium sulfate, 0.2M lithium sulfate, 0.1M Hepes, pH 7.5, VAPOR DIFFUSION, HANGING DROP, temperature 298.0K

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 197.14	α = 90
b = 197.14	β = 90
c = 197.14	γ = 90

Symmetry
Space Group	F 4 3 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	ADSC QUANTUM 4		2003-02-17	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	NSLS BEAMLINE X4A	0.9793	NSLS	X4A

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	1.998	20	97.1	0.078	22		22840	22136		-3	34.1

Highest Resolution Shell
ID #	Resolution (High)	Resolution (Low)	Percent Possible (All)	Percent Possible (Observed)	R-Sym I (Observed)	Mean I Over Sigma (Observed)	Redundancy	Number Unique Reflections (All)
1	1.998	2.07	97		0.251	6.6		2148

Refinement

Statistics
Diffraction ID	Structure Solution Method	Cross Validation method	Starting model	Resolution (High)	Resolution (Low)	Number Reflections (All)	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	PDB ENTRY 1FQW	1.998	19.8	22128	21659	2148	97.88	0.20134	0.20134	0.20006	0.21319	RANDOM	27.445

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
r_dihedral_angle_3_deg	14.803
r_dihedral_angle_1_deg	4.95
r_scangle_it	3.885
r_angle_other_deg	2.65
r_scbond_it	2.24
r_mcangle_it	1.411
r_angle_refined_deg	1.409
r_symmetry_hbond_refined	0.77
r_mcbond_it	0.734
r_nbtor_other	0.243
r_nbd_refined	0.237
r_nbd_other	0.208
r_symmetry_vdw_refined	0.185
r_xyhbond_nbd_refined	0.178
r_symmetry_vdw_other	0.168
r_chiral_restr	0.093
r_bond_refined_d	0.011
r_gen_planes_refined	0.006
r_gen_planes_other	0.004
r_bond_other_d	0.001

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	1084
Nucleic Acid Atoms
Solvent Atoms	86
Heterogen Atoms	5

Software

Software
Software Name	Purpose
DENZO	data reduction
SCALEPACK	data scaling
PHASER	phasing
REFMAC	refinement