2V8G

Crystal structure of beta-alanine synthase from Saccharomyces kluyveri in complex with the product beta-alanine

X-RAY DIFFRACTION

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Starting Model(s)

Initial Refinement Model(s)
Type	Source	Accession Code	Details
experimental model	PDB	1R43	PDB ENTRY 1R43

Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1		8.75		PEG 6000, TRIS PH 8.5, BICINE PH 9.0, LICL.

Crystal Properties
Matthews coefficient	Solvent content
2.08	41

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 50.1	α = 90
b = 217.3	β = 91.9
c = 81.6	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 CCD		2007-03-13	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	ESRF BEAMLINE ID23-1		ESRF	ID23-1

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	2.5	20	99.6	0.16	7.4	4.9		59732		2

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	2.5	2.6	99.8		0.35	5.29	4.9

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 (Depositor)	R-Work (DCC)	R-Free (Depositor)	R-Free (DCC)	R-Free Selection Details	Mean Isotropic B
X-RAY DIFFRACTION	MOLECULAR REPLACEMENT	THROUGHOUT	PDB ENTRY 1R43	2.5	19.84	56799	2931	99.8	0.191	0.189	0.19	0.231	0.23	RANDOM	26.36

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]
0.84		-1.19	-1.64		0.72

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	39.343
r_dihedral_angle_4_deg	18.849
r_dihedral_angle_3_deg	17.108
r_dihedral_angle_1_deg	5.567
r_scangle_it	1.761
r_angle_refined_deg	1.174
r_scbond_it	1.086
r_mcangle_it	0.59
r_mcbond_it	0.343
r_nbtor_refined	0.303
r_symmetry_hbond_refined	0.215
r_nbd_refined	0.198
r_symmetry_vdw_refined	0.183
r_xyhbond_nbd_refined	0.139
r_chiral_restr	0.085
r_bond_refined_d	0.01
r_gen_planes_refined	0.004
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
r_mcangle_other
r_scbond_other
r_scangle_other
r_long_range_B_refined
r_long_range_B_other
r_rigid_bond_restr
r_sphericity_free
r_sphericity_bonded

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	13396
Nucleic Acid Atoms
Solvent Atoms	210
Heterogen Atoms	64

Software

Software
Software Name	Purpose
REFMAC	refinement
XDS	data reduction
XSCALE	data scaling
MOLREP	phasing