1PT1

Unprocessed Pyruvoyl Dependent Aspartate Decarboxylase with Histidine 11 Mutated to Alanine

X-RAY DIFFRACTION

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Starting Model(s)

Initial Refinement Model(s)
Type	Source	Accession Code	Details
experimental model	PDB	1AW8	PDB entry 1aw8

Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION, HANGING DROP	4	290	1.4-1.6M Ammonium Sulphate, 0.1M Citric Acid, pH 4.0, VAPOR DIFFUSION, HANGING DROP, temperature 290K

Crystal Properties
Matthews coefficient	Solvent content
2.5	50.6

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 70.952	α = 90
b = 70.952	β = 90
c = 217.081	γ = 120

Symmetry
Space Group	P 61 2 2

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		2002-04-14	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	SRS BEAMLINE PX14.1	1.488	SRS	PX14.1

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	1.9	25	100	0.087	31.23	33.5	26557	26521		2	16.1

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	1.9	1.94	100		0.26	9.79

Refinement

Statistics
Diffraction ID	Structure Solution Method	Cross Validation method	Starting model	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	MOLECULAR REPLACEMENT	THROUGHOUT	PDB entry 1aw8	1.9	23.44	26557	24507	1928	99.87	0.15005	0.15005	0.14847	0.16963	RANDOM	7.41

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]
-0.03	-0.01		-0.03		0.04

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_1_deg	6.659
r_scangle_it	3.572
r_scbond_it	2.719
r_angle_refined_deg	1.35
r_mcangle_it	1.221
r_angle_other_deg	0.77
r_mcbond_it	0.651
r_symmetry_vdw_other	0.365
r_nbd_other	0.263
r_symmetry_hbond_refined	0.225
r_nbd_refined	0.22
r_symmetry_vdw_refined	0.19
r_xyhbond_nbd_refined	0.183
r_chiral_restr	0.09
r_nbtor_other	0.084
r_bond_refined_d	0.012
r_gen_planes_refined	0.006
r_gen_planes_other	0.005
r_bond_other_d	0.003

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	1774
Nucleic Acid Atoms
Solvent Atoms	237
Heterogen Atoms	20

Software

Software
Software Name	Purpose
REFMAC	refinement
DENZO	data reduction
SCALEPACK	data scaling
CNS	phasing