Experiment: 3BRN

X-RAY DIFFRACTION

Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION, HANGING DROP	6.5	298	25% PEG 2000 MME, 0.1M MES, pH 6.5, VAPOR DIFFUSION, HANGING DROP, temperature 298.0K

Crystal Properties
Matthews coefficient	Solvent content
2.73	54.92

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 91.694	α = 90
b = 91.694	β = 90
c = 37.836	γ = 120

Symmetry
Space Group	P 31

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	MARMOSAIC 225 mm CCD		2007-07-27	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	APS BEAMLINE 22-BM	1.0000	APS	22-BM

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	1.85	79.31	99.4	0.097	16.6	7.8		30083

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	1.85	1.92	97		0.462	3.8	6.8	2952

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 (Observed)	R-Work	R-Free	R-Free Selection Details	Mean Isotropic B
X-RAY DIFFRACTION	MOLECULAR REPLACEMENT	THROUGHOUT	2	79.31	23961	1206	99.69	0.224	0.222	0.26	RANDOM	43.938

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]
-1.34	-0.67		-1.34		2

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	36.475
r_dihedral_angle_3_deg	14.027
r_dihedral_angle_4_deg	13.722
r_scangle_it	8.749
r_scbond_it	6.911
r_dihedral_angle_1_deg	5.595
r_mcangle_it	4.691
r_mcbond_it	3.378
r_angle_refined_deg	1.214
r_chiral_restr	0.373

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	36.475
r_dihedral_angle_3_deg	14.027
r_dihedral_angle_4_deg	13.722
r_scangle_it	8.749
r_scbond_it	6.911
r_dihedral_angle_1_deg	5.595
r_mcangle_it	4.691
r_mcbond_it	3.378
r_angle_refined_deg	1.214
r_chiral_restr	0.373
r_symmetry_vdw_refined	0.326
r_nbtor_refined	0.323
r_nbd_refined	0.255
r_symmetry_hbond_refined	0.227
r_xyhbond_nbd_refined	0.21
r_gen_planes_refined	0.016
r_bond_refined_d	0.013

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	2285
Nucleic Acid Atoms
Solvent Atoms	79
Heterogen Atoms	26

Software

Software
Software Name	Purpose
DENZO	data reduction
SCALEPACK	data scaling
PHASER	phasing
REFMAC	refinement
PDB_EXTRACT	data extraction
MX-based	data collection

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.