Experiment: 2A4K

X-RAY DIFFRACTION

Starting Model(s)

Initial Refinement Model(s)
Type	Source	Accession Code	Details
experimental model	PDB	1ULS	PDB Entry 1uls

Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	modified microbatch	5.5	291	0.1M citrate, 30v/v% 1,4-butanediol, pH 5.5, modified microbatch, temperature 291K

Crystal Properties
Matthews coefficient	Solvent content
2.8	54.9

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 55.013	α = 90
b = 91.565	β = 104.24
c = 54.847	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	BRUKER SMART 6000			M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	ROTATING ANODE	RIGAKU FR-D	1.5418

Data Collection

Overall
ID #	Resolution (High)	Resolution (Low)	Percent Possible (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	2.3	53.19					118284

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 (All)	R-Work (Depositor)	R-Work (DCC)	R-Free (Depositor)	R-Free (DCC)	R-Free Selection Details	Mean Isotropic B
X-RAY DIFFRACTION	MOLECULAR REPLACEMENT	THROUGHOUT	PDB Entry 1uls	2.301	46.078	22665	713	96.624	0.216	0.2145	0.22	0.2478	0.25	THIN SHELLS	21.364

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]
0.004		-0.003	0.048		-0.054

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	36.196
r_dihedral_angle_4_deg	18.287
r_dihedral_angle_3_deg	13.025
r_dihedral_angle_1_deg	4.936
r_scangle_it	3.099
r_mcangle_it	2.938
r_scbond_it	2.108
r_mcbond_it	1.93
r_angle_refined_deg	1.434
r_nbtor_refined	0.282

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	36.196
r_dihedral_angle_4_deg	18.287
r_dihedral_angle_3_deg	13.025
r_dihedral_angle_1_deg	4.936
r_scangle_it	3.099
r_mcangle_it	2.938
r_scbond_it	2.108
r_mcbond_it	1.93
r_angle_refined_deg	1.434
r_nbtor_refined	0.282
r_nbd_refined	0.185
r_symmetry_hbond_refined	0.144
r_symmetry_vdw_refined	0.129
r_xyhbond_nbd_refined	0.123
r_chiral_restr	0.075
r_bond_refined_d	0.014
r_gen_planes_refined	0.003

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	3115
Nucleic Acid Atoms
Solvent Atoms	60
Heterogen Atoms	28

Software

Software
Software Name	Purpose
3DSCALE	data processing
EPMR	phasing
DM	phasing
REFMAC	refinement
PDB_EXTRACT	data extraction
LSCALE	data scaling
ARP/wARP	model building
MolProbity	model building

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.