3BWN

L-tryptophan aminotransferase

X-RAY DIFFRACTION

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Starting Model(s)

Initial Refinement Model(s)
Type	Source	Accession Code	Details
experimental model	PDB	1LK9	PDB ENTRY 1LK9

Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1		7	293	13-19% PEG 3350, 0.3M KCl, 100mM MOPSO pH7.0, VAPOR DIFFUSION, HANGING DROP, temperature 293.0K, pH 7.00

Crystal Properties
Matthews coefficient	Solvent content
2.29	46.32

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 93.41	α = 90
b = 97.83	β = 104.35
c = 139.46	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	100	CCD	ADSC QUANTUM 315	MIRRORS + DOUBLE MONOCHROMATOR	2006-03-04	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	SSRL BEAMLINE BL1-5		SSRL	BL1-5

Data Collection

Overall
ID #	Resolution (High)	Resolution (Low)	Percent Possible (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	2.25	30	90	0.56	12.5	2.49		110711

Highest Resolution Shell
ID #	Resolution (High)	Resolution (Low)	Percent Possible (All)	Percent Possible (Observed)	R-Sym I (Observed)	Mean I Over Sigma (Observed)	Redundancy	Number Unique Reflections (All)
	2.25	2.31	82.6		0.414	2.53	2.41

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 (Observed)	R-Work	R-Free	R-Free Selection Details	Mean Isotropic B
X-RAY DIFFRACTION	RIGID BODY	THROUGHOUT	PDB ENTRY 1LK9	2.25	29.66	105162	105162	5549	95.9	0.225	0.224	0.253	RANDOM	46.99

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]
-4.74		-0.78	6.33		-1.98

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	34.614
r_dihedral_angle_4_deg	19.187
r_dihedral_angle_3_deg	18.547
r_sphericity_free	8.671
r_dihedral_angle_1_deg	7.851
r_scangle_it	3.789
r_scbond_it	2.62
r_mcangle_it	2.378
r_sphericity_bonded	2.112
r_rigid_bond_restr	1.856
r_angle_refined_deg	1.734
r_mcbond_it	1.468
r_nbtor_refined	0.316
r_symmetry_vdw_refined	0.28
r_symmetry_hbond_refined	0.276
r_nbd_refined	0.252
r_chiral_restr	0.216
r_xyhbond_nbd_refined	0.201
r_bond_refined_d	0.016
r_gen_planes_refined	0.007
r_bond_other_d
r_angle_other_deg
r_gen_planes_other
r_nbd_other
r_nbtor_other
r_xyhbond_nbd_other
r_metal_ion_refined
r_metal_ion_other
r_symmetry_vdw_other
r_symmetry_hbond_other
r_symmetry_metal_ion_refined
r_symmetry_metal_ion_other
r_mcbond_other

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	17464
Nucleic Acid Atoms
Solvent Atoms	592
Heterogen Atoms	81

Software

Software
Software Name	Purpose
REFMAC	refinement
Blu-Ice	data collection
XDS	data reduction
XSCALE	data scaling