1Q7L

Zn-binding domain of the T347G mutant of human aminoacylase-I

X-RAY DIFFRACTION

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Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION, HANGING DROP	6	293	PEG8000, (NH4)2SO4, CoCl2, pH 6.0, VAPOR DIFFUSION, HANGING DROP, temperature 293K

Crystal Properties
Matthews coefficient	Solvent content
2.04	39.59

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 53.528	α = 90
b = 67.249	β = 90
c = 146.479	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	ADSC QUANTUM 4		2002-04-20	M	SAD

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	NSLS BEAMLINE X8C	1.005685	NSLS	X8C

Refinement

Statistics
Diffraction ID	Structure Solution Method	Cross Validation method	Resolution (High)	Resolution (Low)	Number Reflections (All)	Number Reflections (Observed)	Number Reflections (R-Free)	Percent Reflections (Observed)	R-Factor (All)	R-Factor (Observed)	R-Work	R-Free	R-Free Selection Details	Mean Isotropic B
X-RAY DIFFRACTION	SIRAS	THROUGHOUT	1.4	33.71	102135	102135	1037	100	0.133	0.13299	0.1326	0.17208	RANDOM	15.204

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]
-0.55			0.65		-0.1

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	11.25
r_sphericity_free	6.655
r_dihedral_angle_1_deg	6.186
r_scangle_it	5.113
r_sphericity_bonded	4.733
r_scbond_it	3.616
r_mcangle_it	2.72
r_mcbond_it	1.927
r_angle_refined_deg	1.89
r_rigid_bond_restr	1.859
r_symmetry_vdw_refined	0.368
r_symmetry_hbond_refined	0.3
r_nbd_refined	0.208
r_xyhbond_nbd_refined	0.144
r_chiral_restr	0.142
r_bond_refined_d	0.023
r_gen_planes_refined	0.011

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	4446
Nucleic Acid Atoms
Solvent Atoms	667
Heterogen Atoms	14

Software

Software
Software Name	Purpose
REFMAC	refinement
HKL-2000	data reduction
SCALEPACK	data scaling
SOLVE	phasing