2VYC

Crystal Structure of Acid Induced Arginine Decarboxylase from E. coli

X-RAY DIFFRACTION

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Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1		6.5		100 MM MES PH 6.5, 13% PEG 8000 AND 400 MM SODIUM ACETATE

Crystal Properties
Matthews coefficient	Solvent content
2.99	58.88

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 197.651	α = 90
b = 197.651	β = 90
c = 450.322	γ = 120

Symmetry
Space Group	P 64

Diffraction

Diffraction Experiment
ID #	Crystal ID	Scattering Type	Data Collection Temperature	Detector	Detector Type	Details	Collection Date	Monochromator	Protocol
1	1	x-ray	77	CCD	ADSC CCD	MIRRORS	2006-12-07	M	SINGLE WAVELENGTH
2	1	x-ray	77	CCD	ADSC CCD			M	SINGLE WAVELENGTH
3	1	x-ray	77	CCD	ADSC CCD			M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	ESRF BEAMLINE ID14-4		ESRF	ID14-4
2	SYNCHROTRON	ESRF BEAMLINE ID14-3		ESRF	ID14-3
3	SYNCHROTRON	ESRF BEAMLINE ID14-4		ESRF	ID14-4

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	2.4	50	99.9	0.15	10.7	5		385411		2

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	2.4	2.49	100		0.78	2.3	2.4

Refinement

Statistics
Diffraction ID	Structure Solution Method	Cross Validation method	Starting model	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	MIRAS	THROUGHOUT	NONE	2.4	50	366476	19417	99.9	0.179	0.177	0.229	RANDOM	23.63

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]
0.75	0.37		0.75		-1.12

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	36.406
r_dihedral_angle_4_deg	20.111
r_dihedral_angle_3_deg	16.189
r_dihedral_angle_1_deg	6.156
r_scangle_it	2.697
r_scbond_it	1.71
r_angle_refined_deg	1.345
r_mcangle_it	1.163
r_mcbond_it	0.69
r_nbtor_refined	0.305
r_symmetry_hbond_refined	0.218
r_nbd_refined	0.204
r_symmetry_vdw_refined	0.184
r_xyhbond_nbd_refined	0.148
r_chiral_restr	0.093
r_bond_refined_d	0.013
r_gen_planes_refined	0.005
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_mcangle_other
r_scbond_other
r_scangle_other
r_long_range_B_refined
r_long_range_B_other
r_rigid_bond_restr
r_sphericity_free
r_sphericity_bonded

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	59390
Nucleic Acid Atoms
Solvent Atoms	2572
Heterogen Atoms	150

Software

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