3Q1L

Crystals Structure of Aspartate beta-Semialdehyde Dehydrogenase from Streptococcus pneumoniae with cysteamine bound covalently to Cys 128

X-RAY DIFFRACTION

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Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION, HANGING DROP	6.5	298	13% PEG 3350, 0.1 M MES buffer, 0.05 M Ca-acetate, 10 mM DTT, pH 6.5, VAPOR DIFFUSION, HANGING DROP, temperature 298K

Crystal Properties
Matthews coefficient	Solvent content
2.19	43.72

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 72.611	α = 90
b = 78.84	β = 90
c = 244.554	γ = 90

Symmetry
Space Group	P 21 21 21

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	RAYONIX MX-225	mirrors	2007-11-28	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	APS BEAMLINE 22-BM	1.0	APS	22-BM

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	2.26	23	83	0.057	13.6	2.9		55295

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)
1	2.26	2.34	44.4		0.303	2.2	1.9

Refinement

Statistics
Diffraction ID	Structure Solution Method	Cross Validation method	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	FOURIER SYNTHESIS	THROUGHOUT	2.3	23	51590	2711	85.64	0.19606	0.19361	0.24209	RANDOM	45.34

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]
-1.93			0.05		1.88

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	36.594
r_dihedral_angle_4_deg	18.226
r_dihedral_angle_3_deg	15.217
r_dihedral_angle_1_deg	5.841
r_scangle_it	1.969
r_scbond_it	1.187
r_angle_refined_deg	1.137
r_mcangle_it	0.739
r_mcbond_it	0.383
r_chiral_restr	0.078
r_bond_refined_d	0.008
r_gen_planes_refined	0.004
r_bond_other_d
r_angle_other_deg
r_gen_planes_other
r_nbd_refined
r_nbd_other
r_nbtor_refined
r_nbtor_other
r_xyhbond_nbd_refined
r_xyhbond_nbd_other
r_metal_ion_refined
r_metal_ion_other
r_symmetry_vdw_refined
r_symmetry_vdw_other
r_symmetry_hbond_refined
r_symmetry_hbond_other
r_symmetry_metal_ion_refined
r_symmetry_metal_ion_other
r_mcbond_other
r_rigid_bond_restr
r_sphericity_free
r_sphericity_bonded

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	10905
Nucleic Acid Atoms
Solvent Atoms	341
Heterogen Atoms	16

Software

Software
Software Name	Purpose
MAR345dtb	data collection
REFMAC	refinement
HKL-2000	data reduction
HKL-2000	data scaling