4IEC

Cys105 covalent modification by 2-hydroxyethyl disulfide in Mycobacterium tuberculosis methionine aminopeptidase Type 1c

X-RAY DIFFRACTION

Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION, HANGING DROP	6.5	298	PEG 2000 monomethyl ether, BisTris, Oxidized beta-mercaptoethanol, pH 6.5, VAPOR DIFFUSION, HANGING DROP, temperature 298K

Crystal Properties
Matthews coefficient	Solvent content
2.1	41.55

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 49.33	α = 90
b = 48.241	β = 95.17
c = 56.653	γ = 90

Symmetry
Space Group	P 1 21 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					M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	ALS BEAMLINE 8.2.1	1	ALS	8.2.1

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	38.82	97			17628	16719	1	1

Highest Resolution Shell
ID #	Resolution (High)	Resolution (Low)	Percent Possible (All)	Percent Possible (Observed)	Mean I Over Sigma (Observed)	Redundancy	Number Unique Reflections (All)
1	2	2.07	97.7

Refinement

Statistics
Diffraction ID	Structure Solution Method	Cross Validation method	Resolution (High)	Resolution (Low)	Cut-off Sigma (F)	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	2	38.82	2	17628	16719	901	97.08	0.16906	0.16906	0.16552	0.23634	RANDOM	14.896

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]

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	38.854
r_dihedral_angle_4_deg	21.13
r_dihedral_angle_3_deg	15.687
r_dihedral_angle_1_deg	6.51
r_scangle_it	4.829
r_scbond_it	3.099
r_mcangle_it	1.955
r_angle_refined_deg	1.886
r_mcbond_it	1.177
r_chiral_restr	0.16

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	38.854
r_dihedral_angle_4_deg	21.13
r_dihedral_angle_3_deg	15.687
r_dihedral_angle_1_deg	6.51
r_scangle_it	4.829
r_scbond_it	3.099
r_mcangle_it	1.955
r_angle_refined_deg	1.886
r_mcbond_it	1.177
r_chiral_restr	0.16
r_bond_refined_d	0.023
r_gen_planes_refined	0.009

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	2161
Nucleic Acid Atoms
Solvent Atoms	191
Heterogen Atoms	3

Software

Software
Software Name	Purpose
HKL-3000	data collection
AMoRE	phasing
REFMAC	refinement
HKL-2000	data reduction
SCALEPACK	data scaling

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.