Experiment: 4CBR

X-ray structure of the more stable human AGXT triple mutant (AGXT_HEM)

X-RAY DIFFRACTION

Starting Model(s)

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

Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1				15% PEG 10K; 0.1 M HEPES PH 7.5, 2.5% V/V ISOPROPANOL AND 5% GLYCEROL AS ADDITIVE.

Crystal Properties
Matthews coefficient	Solvent content
3.25	62.19

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 90.2	α = 90
b = 90.2	β = 90
c = 140.99	γ = 90

Symmetry
Space Group	P 41 21 2

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	ADSC QUANTUM 210			M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	ESRF BEAMLINE ID14-1		ESRF	ID14-1

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	2.3	41.68	100	0.11	21.9	18.6		49917

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	2.3	2.42	100		0.03	3.9	18.9

Refinement

Statistics
Diffraction ID	Structure Solution 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	MOLECULAR REPLACEMENT	PDB ENTRY 2YOB	2.3	41.679	1.4	26556	2510	99.99	0.222	0.2196	0.2188	0.2682	0.2687

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]
6.0141			6.0141		-12.0282

RMS Deviations
Key	Refinement Restraint Deviation
f_dihedral_angle_d	17.295
f_angle_d	1.302
f_chiral_restr	0.08
f_bond_d	0.009
f_plane_restr	0.007

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	2969
Nucleic Acid Atoms
Solvent Atoms	119
Heterogen Atoms	21

Software

Software
Software Name	Purpose
PHENIX	refinement
XDS	data reduction
SCALA	data scaling
PHASER	phasing