8DDA

Crystal structure of human aminoadipate semialdehyde synthase (AASS), lysine ketoglutarate reductase (LKR) domain

X-RAY DIFFRACTION

---

Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION, SITTING DROP		277.15	20% PEG3350 -- 10% ethylene glycol -- 0.2M sodium malonate

Crystal Properties
Matthews coefficient	Solvent content
2.73	55

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 79.045	α = 77.16
b = 80.533	β = 67.635
c = 91.508	γ = 79.425

Symmetry
Space Group	P 1

Diffraction

Diffraction Experiment
ID #	Crystal ID	Scattering Type	Data Collection Temperature	Detector	Detector Type	Details	Collection Date	Monochromator	Protocol
1	1	x-ray	100	PIXEL	DECTRIS PILATUS 6M		2016-06-20	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	DIAMOND BEAMLINE I02	0.92819	Diamond	I02

Data Collection

Overall
ID #	Resolution (High)	Resolution (Low)	Percent Possible (Observed)	R Merge I (Observed)	Rrim I (All)	Rpim I (All)	CC (Half)	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	78.04	90	0.069	0.098	0.069	0.553	9	2.4		71194		1.2

Highest Resolution Shell
ID #	Resolution (High)	Resolution (Low)	Percent Possible (All)	Percent Possible (Observed)	R Merge I (Observed)	Rrim I (All)	Rpim I (All)	CC (Half)	Mean I Over Sigma (Observed)	Redundancy	Number Unique Reflections (All)
1	2.4	2.45	91.9		0.898	1.269	0.898	0.553	1.2	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 (All)	R-Work	R-Free	Mean Isotropic B
X-RAY DIFFRACTION	MOLECULAR REPLACEMENT	THROUGHOUT	2Q99	2.4	78.04	70873	3439	89.614	0.22	0.2184	0.258	61.811

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]
-0.209	-0.317	-0.745	-0.959	0.253	0.429

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	30.705
r_dihedral_angle_4_deg	17.613
r_dihedral_angle_3_deg	16.201
r_dihedral_angle_1_deg	6.752
r_lrange_it	5.656
r_lrange_other	5.644
r_mcangle_it	3.546
r_mcangle_other	3.546
r_scangle_it	2.989
r_scangle_other	2.98
r_mcbond_it	2.105
r_mcbond_other	2.105
r_scbond_it	1.815
r_scbond_other	1.752
r_angle_refined_deg	1.429
r_angle_other_deg	1.17
r_symmetry_xyhbond_nbd_refined	0.217
r_nbd_refined	0.191
r_symmetry_nbd_other	0.184
r_symmetry_nbd_refined	0.18
r_xyhbond_nbd_refined	0.161
r_nbtor_refined	0.15
r_nbd_other	0.135
r_ncsr_local_group_4	0.1
r_ncsr_local_group_6	0.094
r_ncsr_local_group_1	0.091
r_ncsr_local_group_2	0.091
r_ncsr_local_group_3	0.086
r_ncsr_local_group_5	0.085
r_symmetry_nbtor_other	0.075
r_chiral_restr	0.062
r_bond_refined_d	0.006
r_gen_planes_refined	0.005
r_bond_other_d	0.001
r_gen_planes_other	0.001

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	12484
Nucleic Acid Atoms
Solvent Atoms	265
Heterogen Atoms	10

Software

Software
Software Name	Purpose
REFMAC	refinement
XDS	data reduction
XSCALE	data scaling
PHASER	phasing