1RK4 | pdb_00001rk4

Crystal Structure of a Soluble Dimeric Form of Oxidised CLIC1

X-RAY DIFFRACTION

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Starting Model(s)

Initial Refinement Model(s)
Type	Source	Accession Code	Details
experimental model	PDB	1K0M

Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION, SITTING DROP	4.5	277	PEG MME 5000, pH 4.5, VAPOR DIFFUSION, SITTING DROP, temperature 277K

Crystal Properties
Matthews coefficient	Solvent content
2.17	49.9

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 59.861	α = 90
b = 69.189	β = 90
c = 107.506	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	IMAGE PLATE	MAC Science DIP-2030	mirrors	2001-07-01	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	ROTATING ANODE	ENRAF-NONIUS	1.5418

Data Collection

Overall
ID #	Resolution (High)	Resolution (Low)	Percent Possible (Observed)	R Merge I (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	1.79	57.74	95.6	0.058	0.058	18.53	6.3	40766	38677		1	19.2

Refinement

Statistics
Diffraction ID	Structure Solution Method	Cross Validation method	Starting model	Resolution (High)	Resolution (Low)	Number Reflections (All)	Number Reflections (Observed)	Number Reflections (R-Free)	Percent Reflections (Observed)	R-Factor (All)	R-Factor (Observed)	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	1K0M	1.792	57.74	38677	38677	2089	95.56	0.17765	0.17765	0.17571	0.19	0.21324	0.22	RANDOM	18.997

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]
-0.7			-0.22		0.92

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_1_deg	5.527
r_scangle_it	5.052
r_scbond_it	3.06
r_mcangle_it	2.046
r_angle_refined_deg	1.689
r_mcbond_it	1.14
r_angle_other_deg	0.885
r_symmetry_vdw_other	0.267
r_symmetry_vdw_refined	0.253
r_nbd_other	0.24
r_nbd_refined	0.225
r_xyhbond_nbd_refined	0.174
r_symmetry_hbond_refined	0.17
r_chiral_restr	0.096
r_nbtor_other	0.086
r_bond_refined_d	0.019
r_gen_planes_refined	0.01
r_gen_planes_other	0.01
r_bond_other_d	0.002

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	3319
Nucleic Acid Atoms
Solvent Atoms	342
Heterogen Atoms

Software

Software
Software Name	Purpose
MOSFLM	data reduction
SCALA	data scaling
AMoRE	phasing
REFMAC	refinement
CCP4	data scaling