2Z9W

Crystal structure of pyridoxamine-pyruvate aminotransferase complexed with pyridoxal

X-RAY DIFFRACTION

Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION, SITTING DROP	8.05	277	0.1M HEPES, 2M Ammonium sulfate, 10mM Pyridoxal, pH 8.05, VAPOR DIFFUSION, SITTING DROP, temperature 277K

Crystal Properties
Matthews coefficient	Solvent content
2.22	44.49

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 68.732	α = 90
b = 68.732	β = 90
c = 311.5	γ = 90

Symmetry
Space Group	P 43 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	IMAGE PLATE	RIGAKU RAXIS V		2005-12-11	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	SPRING-8 BEAMLINE BL38B1	1.0000	SPring-8	BL38B1

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	1.6	50	99.9	0.084	9.9	7.4		100019		-3	13.27

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	1.6	1.66	99.9		0.386		7.4	9737

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 ID 2Z9U	1.7	14.84	79313	4123	99.97	0.15543	0.15411	0.18051	RANDOM	12.8

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]

RMS Deviations
Key	Refinement Restraint Deviation
r_scangle_it	2.789
r_scbond_it	1.809
r_angle_refined_deg	1.243
r_mcangle_it	0.926
r_mcbond_it	0.573
r_nbtor_refined	0.308
r_nbd_refined	0.2
r_symmetry_vdw_refined	0.178
r_symmetry_hbond_refined	0.178
r_xyhbond_nbd_refined	0.126

RMS Deviations
Key	Refinement Restraint Deviation
r_scangle_it	2.789
r_scbond_it	1.809
r_angle_refined_deg	1.243
r_mcangle_it	0.926
r_mcbond_it	0.573
r_nbtor_refined	0.308
r_nbd_refined	0.2
r_symmetry_vdw_refined	0.178
r_symmetry_hbond_refined	0.178
r_xyhbond_nbd_refined	0.126
r_chiral_restr	0.085
r_bond_refined_d	0.01
r_gen_planes_refined	0.006

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	5832
Nucleic Acid Atoms
Solvent Atoms	778
Heterogen Atoms	99

Software

Software
Software Name	Purpose
REFMAC	refinement
HKL-2000	data collection
HKL-2000	data reduction
HKL-2000	data scaling

RCSB PDB Core Operations are funded by the U.S. National Science Foundation (DBI-2321666), the US Department of Energy (DE-SC0019749), and the National Cancer Institute, National Institute of Allergy and Infectious Diseases, and National Institute of General Medical Sciences of the National Institutes of Health under grant R01GM133198.