Experiment: 4TL8

Crystal structure of N-terminal C1 domain of KaiC

X-RAY DIFFRACTION

Starting Model(s)

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

Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION		293.15	PEG 400 or PEG 8000

Crystal Properties
Matthews coefficient	Solvent content
2.36	47.8

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 79.934	α = 90
b = 133.215	β = 90
c = 150.706	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	x-ray	100	CCD	RAYONIX MX225HE		2012-01-23	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	SPRING-8 BEAMLINE BL44XU	0.9	SPring-8	BL44XU

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	1.859	40.52	97.8	48	7.4		132647

Refinement

Statistics
Diffraction ID	Structure Solution Method	Cross Validation method	Starting model	Resolution (High)	Resolution (Low)	Cut-off Sigma (F)	Number Reflections (Observed)	Number Reflections (R-Free)	Percent Reflections (Observed)	R-Factor (Observed)	R-Work (Depositor)	R-Work (DCC)	R-Free (Depositor)	R-Free (DCC)	Mean Isotropic B
X-RAY DIFFRACTION		FREE R-VALUE	2GBL	1.859	37.591	1.35	132561	6644	97.78	0.1826	0.1805	0.1827	0.222	0.2234

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]

RMS Deviations
Key	Refinement Restraint Deviation
f_dihedral_angle_d	13.901
f_angle_d	1.486
f_chiral_restr	0.073
f_bond_d	0.014
f_plane_restr	0.008

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	10297
Nucleic Acid Atoms
Solvent Atoms	932
Heterogen Atoms	198

Software

Software
Software Name	Purpose
PHENIX	refinement