2A0B | pdb_00002a0b

HISTIDINE-CONTAINING PHOSPHOTRANSFER DOMAIN OF ARCB FROM ESCHERICHIA COLI

X-RAY DIFFRACTION

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Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1		4.1		PROTEIN WAS CRYSTALLIZED FROM 12.5% PEGMME 550, 5 MM ZNSO4, 50 MM ACETIC ACID/SODIUM ACETATE BUFFER, PH 4.1

Crystal Properties
Matthews coefficient	Solvent content
2.1	41

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 30.456	α = 90
b = 34.924	β = 90
c = 110.741	γ = 90

Symmetry
Space Group	P 21 21 21

Diffraction

Diffraction Experiment
ID #	Crystal ID	Scattering Type	Data Collection Temperature	Detector	Detector Type	Details	Collection Date	Monochromator	Protocol
1	1	x-ray	277	IMAGE PLATE	RIGAKU RAXIS IIC	COLLIMATOR	1997-09-12	M

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	ROTATING ANODE	RIGAKU RUH3R

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	1.57		94.7	0.049	0.049	66	6		16338		1	26.8

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)
	1.57	1.7	89		0.19	0.19		5.1

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-Work (Depositor)	R-Work (DCC)	R-Free (Depositor)	R-Free Selection Details	Mean Isotropic B
X-RAY DIFFRACTION		THROUGHOUT	1.57	6	1	16033	777	95	0.19	0.18	0.245	RANDOM	29.5

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
p_transverse_tor	37.1
p_staggered_tor	17
p_scangle_it	4.175
p_planar_tor	3.7
p_scbond_it	2.694
p_mcangle_it	2.409
p_mcbond_it	1.801
p_multtor_nbd	0.278
p_singtor_nbd	0.187
p_xyhbond_nbd	0.18
p_chiral_restr	0.148
p_planar_d	0.049
p_angle_d	0.036
p_bond_d	0.024
p_plane_restr	0.0225
p_angle_deg
p_hb_or_metal_coord
p_xhyhbond_nbd
p_orthonormal_tor
p_special_tor

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	956
Nucleic Acid Atoms
Solvent Atoms	156
Heterogen Atoms	1

Software

Software
Software Name	Purpose
N/NA	model building
REFMAC	refinement
PROCESS	data reduction
PROCESS	data scaling