8RFZ

Structure of E166A BlaC from Mycobacterium tuberculosis at pH 4.5

X-RAY DIFFRACTION

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Starting Model(s)

Initial Refinement Model(s)
Type	Source	Accession Code	Details
experimental model	PDB	2GDN

Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION, SITTING DROP	4.5	293	0.05 M LiSO4 (Salt) 0.1 M Na Acet 4.5 pH (Buffer) 25 %w/v PEG 8K (Precipitant)

Crystal Properties
Matthews coefficient	Solvent content
2.03	39.38

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 38.955	α = 90
b = 54.745	β = 92.89
c = 53.759	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	PIXEL	DECTRIS PILATUS3 2M		2023-04-13	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	ESRF BEAMLINE MASSIF-1	0.8731	ESRF	MASSIF-1

Data Collection

Overall
ID #	Resolution (High)	Resolution (Low)	Percent Possible (Observed)	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	1.42	54.74	99.3	0.161	0.853	8	1.4		42647

Highest Resolution Shell
ID #	Resolution (High)	Resolution (Low)	Percent Possible (All)	Percent Possible (Observed)	CC (Half)	Mean I Over Sigma (Observed)	Redundancy	Number Unique Reflections (All)
1	1.42	1.44	96		0.575

Refinement

Statistics
Diffraction ID	Structure Solution Method	Cross Validation method	Resolution (High)	Resolution (Low)	Number Reflections (Observed)	Number Reflections (R-Free)	Percent Reflections (Observed)	R-Factor (Observed)	R-Work	R-Free	R-Free Selection Details	Mean Isotropic B
X-RAY DIFFRACTION	MOLECULAR REPLACEMENT	THROUGHOUT	1.42	38.36	40243	2384	99.26	0.19023	0.18897	0.21056	RANDOM	15.809

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]
2.02		0.73	-0.06		-2.02

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_3_deg	12.415
r_dihedral_angle_2_deg	8.178
r_dihedral_angle_1_deg	6.407
r_long_range_B_refined	4.672
r_long_range_B_other	4.365
r_scangle_other	3.082
r_scbond_it	2.213
r_scbond_other	2.088
r_mcangle_it	1.929
r_mcangle_other	1.928
r_angle_refined_deg	1.466
r_mcbond_it	1.344
r_mcbond_other	1.344
r_angle_other_deg	0.514
r_chiral_restr	0.075
r_bond_refined_d	0.008
r_gen_planes_refined	0.008
r_bond_other_d	0.001
r_gen_planes_other	0.001
r_dihedral_angle_4_deg
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	1985
Nucleic Acid Atoms
Solvent Atoms	241
Heterogen Atoms	10

Software

Software
Software Name	Purpose
REFMAC	refinement
XDS	data reduction
Aimless	data scaling
MOLREP	phasing