Experiment: 3FIR

X-RAY DIFFRACTION

Starting Model(s)

Initial Refinement Model(s)
Type	Source	Accession Code	Details
experimental model	PDB	2HXW	PDB ENTRY 2HXW

Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION, HANGING DROP	5.5	294	18% [w/v] polyethylene glycol 3350, 0.2 M di-ammonium hydrogen citrate, pH 5.5, VAPOR DIFFUSION, HANGING DROP, temperature 294K

Crystal Properties
Matthews coefficient	Solvent content
2.45	49.83

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 49.58	α = 90
b = 101.962	β = 108.88
c = 56.809	γ = 90

Symmetry
Space Group	P 1 21 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	CCD	MARRESEARCH	Vertical and Horizontal focusing Mirrors	2007-08-20	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	APS BEAMLINE 31-ID	1.98	APS	31-ID

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	2	20	98	0.085	17.1	3.4		35349			26.1

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 (Observed)	R-Work	R-Free	R-Free Selection Details	Mean Isotropic B
X-RAY DIFFRACTION	MOLECULAR REPLACEMENT	THROUGHOUT	PDB ENTRY 2HXW	2	20	33402	1750	97.47	0.21687	0.21591	0.23492	RANDOM	36.211

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]
1.58		-3.65	-2.85		-1.09

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	37.341
r_dihedral_angle_3_deg	15.567
r_dihedral_angle_4_deg	9.149
r_dihedral_angle_1_deg	5.203
r_angle_refined_deg	1.099
r_scangle_it	1.045
r_mcangle_it	0.676
r_scbond_it	0.618
r_mcbond_it	0.367
r_chiral_restr	0.074

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	37.341
r_dihedral_angle_3_deg	15.567
r_dihedral_angle_4_deg	9.149
r_dihedral_angle_1_deg	5.203
r_angle_refined_deg	1.099
r_scangle_it	1.045
r_mcangle_it	0.676
r_scbond_it	0.618
r_mcbond_it	0.367
r_chiral_restr	0.074
r_bond_refined_d	0.006
r_gen_planes_refined	0.003

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	3622
Nucleic Acid Atoms
Solvent Atoms	377
Heterogen Atoms	84

Software

Software
Software Name	Purpose
SGXCAT	data collection
PHASER	phasing
REFMAC	refinement
HKL-2000	data reduction
SCALEPACK	data scaling

RCSB PDB Core Operations are funded by the U.S. National Science Foundation (DBI-2321666), the US Department of Energy (DE-SC0019749), and the National Cancer Institute, National Institute of Allergy and Infectious Diseases, and National Institute of General Medical Sciences of the National Institutes of Health under grant R01GM157729.