1PQF

Glycine 24 to Serine mutation of aspartate decarboxylase

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	292	NH42SO4, citric acid, pH 4.0, VAPOR DIFFUSION, HANGING DROP, temperature 292K

Crystal Properties
Matthews coefficient	Solvent content
2.8	56.1

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 71.436	α = 90
b = 71.436	β = 90
c = 219.157	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	2	25	98.6	0.078	33.8	30.9		23414		2.5	24.9

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	2.05	90.5		0.345	5

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	2	25	23414	21839	1180	98.76	0.16636	0.16636	0.16541	0.18464	RANDOM	14.989

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]
0.72	0.36		0.72		-1.08

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_1_deg	6.389
r_scangle_it	3.708
r_scbond_it	2.242
r_angle_refined_deg	1.459
r_mcangle_it	1.269
r_angle_other_deg	0.833
r_mcbond_it	0.673
r_symmetry_vdw_other	0.319
r_symmetry_hbond_refined	0.3
r_xyhbond_nbd_refined	0.281
r_symmetry_vdw_refined	0.273
r_nbd_other	0.257
r_nbd_refined	0.219
r_nbtor_other	0.106
r_chiral_restr	0.091
r_bond_refined_d	0.014
r_gen_planes_refined	0.006
r_gen_planes_other	0.003
r_bond_other_d	0.002

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	1827
Nucleic Acid Atoms
Solvent Atoms	236
Heterogen Atoms	10

Software

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