Experiment: 2KNT

X-RAY DIFFRACTION

Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1		3.3		0.2M LI2SO4, 0.1M CITRIC ACID, 0.074M NA2HPO4, 1.6M (NH4)2SO4, 10MG/ML, PH3.3

Crystal Properties
Matthews coefficient	Solvent content
1.99	39

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 25.69	α = 90
b = 38.04	β = 109.2
c = 28.64	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	291	IMAGE PLATE	MARRESEARCH		1995-12-14	M

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	LURE BEAMLINE DW32		LURE	DW32

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	1.18	20.4	96	0.055	46.5	4.9		16657

Highest Resolution Shell
ID #	Resolution (High)	Resolution (Low)	Percent Possible (All)	Percent Possible (Observed)	R-Sym I (Observed)	Mean I Over Sigma (Observed)	Redundancy	Number Unique Reflections (All)
	1.18	1.21	52.5		0.75	1.09	2.4

Refinement

Statistics
Diffraction ID	Structure Solution Method	Cross Validation method	Starting model	Resolution (High)	Resolution (Low)	Number Reflections (All)	Number Reflections (R-Free)	Percent Reflections (Observed)	R-Factor (All)	R-Factor (Observed)	R-Work	R-Free	R-Free Selection Details	Mean Isotropic B
X-RAY DIFFRACTION	MOLECULAR REPLACEMENT	FREE R-VALUE	PDB ENTRY 1AAP	1.2	7	16307	1600	96	0.1489	0.1455		0.2057	EVERY 10TH REFLECTION

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]

Coordinate Error
Structure Solution Method	Refinement High Resolution	Refinement Low Resolution
5	630	476

RMS Deviations
Key	Refinement Restraint Deviation
s_zero_chiral_vol	0.148
s_non_zero_chiral_vol	0.13
s_approx_iso_adps	0.108
s_similar_adp_cmpnt	0.043
s_angle_d	0.033
s_bond_d	0.024
s_from_restr_planes	0.016
s_similar_dist	0.014
s_anti_bump_dis_restr	0.01
s_rigid_bond_adp_cmpnt	0.005

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	476
Nucleic Acid Atoms
Solvent Atoms	51
Heterogen Atoms	5

Software

Software
Software Name	Purpose
MOSFLM	data reduction
Agrovata	data reduction
AMoRE	phasing
SHELXL-93	refinement
Agrovata	data scaling

RCSB PDB Core Operations are funded by the National Science Foundation (DBI-1832184), 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 R01GM133198.