4QGK

Structure of the Human Sjogren Larsson Syndrome enzyme fatty aldehyde dehydrogenase (FALDH)

X-RAY DIFFRACTION

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Starting Model(s)

Initial Refinement Model(s)
Type	Source	Accession Code	Details
experimental model	PDB	3SZA

Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION	9.5	298	0.2M Li2SO4, 0.1M CHES pH9.5, 1.0M K/Na Tartrate, VAPOR DIFFUSION, temperature 298K

Crystal Properties
Matthews coefficient	Solvent content
2.75	55.34

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 80.137	α = 90
b = 98.582	β = 90
c = 145.703	γ = 90

Symmetry
Space Group	P 21 21 21

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-F			M	SINGLE WAVELENGTH
2	1	x-ray	100	CCD	ADSC QUANTUM 4			M

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	SOLEIL BEAMLINE PROXIMA 1	0.97625	SOLEIL	PROXIMA 1
2	SYNCHROTRON	ESRF BEAMLINE ID14-4	0.976	ESRF	ID14-4

Data Collection

Overall
ID #	Resolution (High)	Resolution (Low)	Percent Possible (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	2.1	30	99.7			66310	66111	2	2

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	3SZA	2.1	30	66111	62756	3355	97.13	0.19962	0.19962	0.1984	0.22257	RANDOM	43.877

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]
0.82			-0.4		-0.42

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	38.001
r_dihedral_angle_4_deg	17.301
r_dihedral_angle_3_deg	14.607
r_long_range_B_other	9.658
r_long_range_B_refined	9.649
r_scangle_other	8.431
r_dihedral_angle_1_deg	6.246
r_scbond_it	5.734
r_scbond_other	5.734
r_mcangle_it	4.321
r_mcangle_other	4.321
r_mcbond_it	3.43
r_mcbond_other	3.427
r_angle_refined_deg	1.872
r_angle_other_deg	0.916
r_chiral_restr	0.115
r_bond_refined_d	0.021
r_gen_planes_refined	0.01
r_bond_other_d	0.006
r_gen_planes_other	0.001
r_nbd_refined
r_nbd_other
r_nbtor_refined
r_nbtor_other
r_xyhbond_nbd_refined
r_xyhbond_nbd_other
r_metal_ion_refined
r_metal_ion_other
r_symmetry_vdw_refined
r_symmetry_vdw_other
r_symmetry_hbond_refined
r_symmetry_hbond_other
r_symmetry_metal_ion_refined
r_symmetry_metal_ion_other
r_scangle_it
r_rigid_bond_restr
r_sphericity_free
r_sphericity_bonded

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	7314
Nucleic Acid Atoms
Solvent Atoms	320
Heterogen Atoms

Software

Software
Software Name	Purpose
ADSC	data collection
PHASER	phasing
REFMAC	refinement
XDS	data reduction
XDS	data scaling