3JXI

Crystal structure of the chicken TRPV4 ankyrin repeat domain

X-RAY DIFFRACTION

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Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION, HANGING DROP	5	277	0.1 M sodium citrate pH 5.0, 10% MPD, 2% PEG8000, 4.3% trifluoroethanol, VAPOR DIFFUSION, HANGING DROP, temperature 277K

Crystal Properties
Matthews coefficient	Solvent content
2.81	56.29

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 105.259	α = 90
b = 48.119	β = 101.89
c = 133.891	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	110	IMAGE PLATE	RIGAKU RAXIS IV++	osmic mirrors	2007-08-08		SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	ROTATING ANODE	RIGAKU MICROMAX-007	1.54

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	2.2	35	97.6	0.078	9.7	2.8		65393

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	2.2	2.28	97.1		0.598		2.7	6457

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 (Observed)	R-Work	R-Free	R-Free Selection Details	Mean Isotropic B
X-RAY DIFFRACTION	MOLECULAR REPLACEMENT	THROUGHOUT	PDB ENTRY 2etb (TRPV2 ankyrin repeats)	2.3	29.51	57722	1178	97.65	0.204	0.203	0.243	RANDOM	27.512

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]
-0.21		0.02	0.23		-0.02

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	34.767
r_dihedral_angle_4_deg	18.067
r_dihedral_angle_3_deg	17.951
r_dihedral_angle_1_deg	6.744
r_scangle_it	2.792
r_scbond_it	1.745
r_angle_refined_deg	1.473
r_mcangle_it	1.049
r_angle_other_deg	1.007
r_mcbond_it	0.563
r_mcbond_other	0.133
r_chiral_restr	0.085
r_bond_refined_d	0.014
r_gen_planes_refined	0.006
r_bond_other_d	0.001
r_gen_planes_other	0.001

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	8005
Nucleic Acid Atoms
Solvent Atoms	534
Heterogen Atoms

Software

Software
Software Name	Purpose
DENZO	data reduction
SCALEPACK	data scaling
REFMAC	refinement
PDB_EXTRACT	data extraction
CrystalClear	data collection
HKL-2000	data reduction
MOLREP	phasing