2V8V

Crystal structure of mutant R322A of beta-alanine synthase from Saccharomyces kluyveri

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	VAPOR DIFFUSION, HANGING DROP	6.5	293	TRISODIUM CITRATE PH 6.0, DIOXANE,ACETONE, DTT, NA-HEPES PH 7.0, VAPOR DIFFUSION, HANGING DROP, TEMPERATURE 293K

Crystal Properties
Matthews coefficient	Solvent content
2.57	52

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 77.478	α = 67.45
b = 84.903	β = 67.81
c = 104.848	γ = 62.75

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		2005-10-19	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	ESRF BEAMLINE ID23-2		ESRF	ID23-2

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	2.9	45	95.2	0.12	7	2.1		44094		2	46.5

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	2.9	3.06	96.6		0.42	2.2	2.1

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 ENTRY 1R43	2.9	45	41837	2231	93.5	0.196	0.194	0.246	RANDOM	35.85

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]
-0.74	1.19	0.45	-1.14	-2.44	2.33

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	41.859
r_dihedral_angle_4_deg	19.645
r_dihedral_angle_3_deg	19.344
r_dihedral_angle_1_deg	5.826
r_scangle_it	1.701
r_angle_refined_deg	1.368
r_scbond_it	1.043
r_mcangle_it	0.558
r_mcbond_it	0.319
r_nbtor_refined	0.308
r_symmetry_vdw_refined	0.23
r_nbd_refined	0.214
r_xyhbond_nbd_refined	0.153
r_chiral_restr	0.095
r_symmetry_hbond_refined	0.062
r_bond_refined_d	0.011
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	13355
Nucleic Acid Atoms
Solvent Atoms	4
Heterogen Atoms	43

Software

Software
Software Name	Purpose
REFMAC	refinement
SCALA	data scaling
MOLREP	phasing