2V8H

Crystal structure of mutant E159A of beta-alanine synthase from Saccharomyces kluyveri in complex with its substrate N-carbamyl-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
2.07	40.7

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 49.78	α = 90
b = 218.3	β = 92.19
c = 81.58	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		2006-09-10	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	ESRF BEAMLINE ID14-3		ESRF	ID14-3

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	20	99.5	0.1	9.48	4.1		116114		2	28.4

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	2.1	99.3		0.27	4.84	4.2

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	19.76	110321	5792	99.6	0.18	0.178	0.208	RANDOM	27.59

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]
3.07		-0.22	-3.35		0.27

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	38.352
r_dihedral_angle_4_deg	17.362
r_dihedral_angle_3_deg	13.379
r_dihedral_angle_1_deg	5.472
r_scangle_it	1.827
r_scbond_it	1.185
r_angle_refined_deg	1.096
r_mcangle_it	0.592
r_mcbond_it	0.36
r_nbtor_refined	0.297
r_xyhbond_nbd_refined	0.202
r_nbd_refined	0.181
r_symmetry_hbond_refined	0.177
r_symmetry_vdw_refined	0.154
r_chiral_restr	0.078
r_bond_refined_d	0.009
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	13359
Nucleic Acid Atoms
Solvent Atoms	956
Heterogen Atoms	88

Software

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