8EIM

Structure of ALAS with C-terminal truncation from S. cerevisiae

X-RAY DIFFRACTION

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Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION, HANGING DROP	7.9	293	0.2M magensium acetate, 20% PEG 3350

Crystal Properties
Matthews coefficient	Solvent content
2.26	45.58

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 79.28	α = 90
b = 99.55	β = 90
c = 120.26	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	CCD	RAYONIX MX-300		2021-12-01	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	APS BEAMLINE 21-ID-F	0.97872	APS	21-ID-F

Data Collection

Overall
ID #	Resolution (High)	Resolution (Low)	Percent Possible (Observed)	Rrim 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	2.1	47.91	99.7	0.119	0.998	11.8	6.5		56191

Highest Resolution Shell
ID #	Resolution (High)	Resolution (Low)	Percent Possible (All)	Percent Possible (Observed)	Rrim I (All)	CC (Half)	Mean I Over Sigma (Observed)	Redundancy	Number Unique Reflections (All)
1	2.1	2.22	98.5		1.714	0.594	1.27

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	FREE R-VALUE	5TXR	2.1	47.909	56174	2809	99.849	0.19	0.1878	0.2244	58.625

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]
1.352			0.381		-1.733

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_6_deg	15.327
r_dihedral_angle_3_deg	14.522
r_dihedral_angle_2_deg	11.452
r_dihedral_angle_1_deg	6.299
r_lrange_it	5.535
r_lrange_other	5.526
r_scangle_it	3.13
r_scangle_other	3.13
r_mcangle_it	2.168
r_mcangle_other	2.168
r_scbond_it	2.122
r_scbond_other	2.122
r_mcbond_it	1.449
r_mcbond_other	1.44
r_angle_refined_deg	1.316
r_angle_other_deg	0.443
r_symmetry_xyhbond_nbd_refined	0.237
r_symmetry_nbd_refined	0.23
r_nbd_other	0.213
r_nbd_refined	0.21
r_symmetry_nbd_other	0.186
r_nbtor_refined	0.174
r_xyhbond_nbd_refined	0.166
r_ncsr_local_group_1	0.086
r_symmetry_nbtor_other	0.076
r_chiral_restr	0.062
r_symmetry_xyhbond_nbd_other	0.057
r_bond_refined_d	0.007
r_gen_planes_refined	0.007
r_gen_planes_other	0.002
r_bond_other_d	0.001

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	6767
Nucleic Acid Atoms
Solvent Atoms	189
Heterogen Atoms	63

Software

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