3RCH

Crystal structure of Human aromatic L-amino acid decarboxylase (AADC) in the open conformation with LLP and PLP bound to Chain-A and Chain-B respectively

X-RAY DIFFRACTION

Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	vapor diffusion, soaking	7	294	crystals obtained from holoAADC in 0.1 M HEPES pH 7.0, 28-30% Jeffamine ED 2001 pH 7.0 were transferred in a ML droplet containing 10mM PLP to yield crystals with PLP and LLP bound, vapor diffusion, soaking, temperature 294K

Crystal Properties
Matthews coefficient	Solvent content
2.71	54.6

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 177	α = 90
b = 177	β = 90
c = 74.83	γ = 90

Symmetry
Space Group	P 41 21 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 4r		2010-11-20	M	SINGLE WAVELENGTH
2	1
3	1
4	1
5	1
6	1
7	1
8	1
9	1
10	1

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	ESRF BEAMLINE ID14-1	0.934	ESRF	ID14-1

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	2.8	125.158	100	0.133	13.6	7.1	29907	29907	2	2

Highest Resolution Shell
ID #	Resolution (High)	Resolution (Low)	Percent Possible (All)	Percent Possible (Observed)	R Merge I (Observed)	R-Sym I (Observed)	Mean I Over Sigma (Observed)	Redundancy	Number Unique Reflections (All)
1	2.8	2.95	100		0.612	0.612	1.2	7.2	4285

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	3RBF	2.8	30	29867	29803	1513	99.91	0.266	0.2034	0.2005	0.2586	RANDOM	56.159

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]
0.91			0.91		-1.81

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	35.887
r_dihedral_angle_3_deg	20.483
r_dihedral_angle_4_deg	18.452
r_dihedral_angle_1_deg	5.808
r_scangle_it	3.049
r_scbond_it	1.78
r_angle_refined_deg	1.326
r_mcangle_it	1.227
r_mcbond_it	0.63
r_chiral_restr	0.102

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	35.887
r_dihedral_angle_3_deg	20.483
r_dihedral_angle_4_deg	18.452
r_dihedral_angle_1_deg	5.808
r_scangle_it	3.049
r_scbond_it	1.78
r_angle_refined_deg	1.326
r_mcangle_it	1.227
r_mcbond_it	0.63
r_chiral_restr	0.102
r_bond_refined_d	0.011
r_gen_planes_refined	0.005

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	6966
Nucleic Acid Atoms
Solvent Atoms	28
Heterogen Atoms	16

Software

Software
Software Name	Purpose
MOSFLM	data reduction
SCALA	data scaling
MOLREP	phasing
REFMAC	refinement
PDB_EXTRACT	data extraction

RCSB PDB Core Operations are funded by the U.S. National Science Foundation (DBI-2321666), the US Department of Energy (DE-SC0019749), and the National Cancer Institute, National Institute of Allergy and Infectious Diseases, and National Institute of General Medical Sciences of the National Institutes of Health under grant R01GM133198.