Experiment: 3RZT

Neutron structure of perdeuterated rubredoxin using rapid (14 hours) data

NEUTRON DIFFRACTION

Starting Model(s)

Initial Refinement Model(s)
Type	Source	Accession Code	Details
experimental model	PDB	3KYW	PDB ENTRY 3KYW

Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION, SITTING DROP		293	20 mg/ml rubredoxin in 1.9 M sodium/potassium phosphate sitting drop equilibrated against 3.8 m sodium/potassium phosphate reservoir, VAPOR DIFFUSION, SITTING DROP, temperature 293K

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 33.92	α = 90
b = 34.87	β = 90
c = 43.5	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	neutron	293	IMAGE PLATE	MAATEL QLD: LADI-III		2007-06-08	L	LAUE

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	NUCLEAR REACTOR	ILL BEAMLINE LADI III	3.2 - 4.2	ILL	LADI III

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	1.75	27.21	77.5	0.153	8.4	4.6	4188	4187		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)
1	1.75	1.84	56.2		0.189	3.6	2.6

Refinement

Statistics
Diffraction ID	Structure Solution Method	Starting model	Resolution (High)	Resolution (Low)	Cut-off Sigma (F)	Number Reflections (All)	Number Reflections (Observed)	Number Reflections (R-Free)	Percent Reflections (Observed)	R-Factor (Observed)	R-Work (Depositor)	R-Free (Depositor)	Mean Isotropic B
NEUTRON DIFFRACTION	FOURIER SYNTHESIS	PDB ENTRY 3KYW	1.7504	27.208	1.53	4188	4187	197	75.6	0.2043	0.2022	0.249

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]
-1.2296			-2.3348		-0.5381

RMS Deviations
Key	Refinement Restraint Deviation
f_dihedral_angle_d	13.083
f_angle_d	1.257
f_chiral_restr	0.069
f_bond_d	0.013
f_plane_restr	0.006

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	392
Nucleic Acid Atoms
Solvent Atoms	35
Heterogen Atoms	1

Software

Software
Software Name	Purpose
LAUEGEN	data collection
PHENIX	refinement
LAUEGEN	data reduction
SCALA	data scaling