Experiment: 4A6U

Crystal structure of the omega transaminase from Chromobacterium violaceum in the apo form, crystallised from PEG 3350

X-RAY DIFFRACTION

Starting Model(s)

Initial Refinement Model(s)
Type	Source	Accession Code	Details
experimental model	PDB	4A6R	PDB ENTRY 4A6R

Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1		7.4		200 NL OF PROTEIN AT 12 MG/ML MIXED WITH 200NL OF 20 % W/V PEG 3350, 0.2 M NASCN, 0.1 M HEPES PH 7.5

Crystal Properties
Matthews coefficient	Solvent content
1.88	34.6

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 57.17	α = 109.14
b = 61.11	β = 85.59
c = 60.24	γ = 103.25

Symmetry
Space Group	P 1

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	MARRESEARCH SX-165	MULTILAYER MIRROR, VERTICALLY FOCUSING	2011-05-06	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	MAX II BEAMLINE I911-2		MAX II	I911-2

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	1.7	30	93.5	0.07	12.7	2.7		78926			12.34

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	1.7	1.73	72.6		0.42	3.1	2

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 4A6R	1.687	29.473	1.99	78922	3888	93.58	0.1557	0.1545	0.1654	0.1799	0.1872

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]
3.0967	-0.6546	-2.1588	-2.7565	1.0691	-0.3402

RMS Deviations
Key	Refinement Restraint Deviation
f_dihedral_angle_d	13.356
f_angle_d	1.116
f_chiral_restr	0.067
f_bond_d	0.008
f_plane_restr	0.007

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	6154
Nucleic Acid Atoms
Solvent Atoms	617
Heterogen Atoms	11

Software

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