3CWL

Crystal structure of alpha-1-antitrypsin, crystal form B

X-RAY DIFFRACTION

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Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1		8.4	295	27% PEG 4000, 0.2M Sodium Acetate, 100mM Tris-HCl, pH 8.4, vapor diffusion, hanging drop, temperature 295K, pH 8.40

Crystal Properties
Matthews coefficient	Solvent content
2.37	48.07

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 39.225	α = 90
b = 51.898	β = 90
c = 206.684	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		2004-08-04	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	APS BEAMLINE 14-BM-D		APS	14-BM-D

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	2.44	25	92.1	0.116	7.4			15060

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	2.44	2.59	82.8		0.435

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	MOLECULAR REPLACEMENT	THROUGHOUT	2.44	23.13	15009	746	90.5	0.218	0.216	0.264	RANDOM	28.22

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]
-0.15			-0.24		0.39

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	40.136
r_dihedral_angle_3_deg	16.498
r_dihedral_angle_4_deg	11.267
r_dihedral_angle_1_deg	6.234
r_scangle_it	1.981
r_angle_refined_deg	1.245
r_scbond_it	1.212
r_mcangle_it	1.001
r_mcbond_it	0.543
r_nbtor_refined	0.299
r_nbd_refined	0.197
r_symmetry_hbond_refined	0.193
r_symmetry_vdw_refined	0.171
r_xyhbond_nbd_refined	0.138
r_chiral_restr	0.083
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_rigid_bond_restr
r_sphericity_free
r_sphericity_bonded

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	2957
Nucleic Acid Atoms
Solvent Atoms	86
Heterogen Atoms	1

Software

Software
Software Name	Purpose
DENZO	data reduction
SCALEPACK	data scaling
AMoRE	phasing
REFMAC	refinement
PDB_EXTRACT	data extraction