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9qi5

Crystal structure of I105R mutant of BlaC from Mycobacterium tuberculosis

Method: X-RAY DIFFRACTION D_max: 89.5 Å Quality: GOOD

SAXS Profile

P(r) Distribution

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1. Structure Basics

entry_id	9qi5
deposition_date	2025-03-17
title	Crystal structure of I105R mutant of BlaC from Mycobacterium tuberculosis
keywords	Beta-lactamase, BlaC, HYDROLASE; HYDROLASE
method	X-RAY DIFFRACTION

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Download Data

SAXS curve (.dat) P(r) distribution (.pr.out) Structure (CIF)

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2. SAXS Parameters (CRYSOL)

rg_guinier	27.03 Å
rg_electron	25.95 Å
i0	56722200.00
molecular_weight	57124.0 kDa
excluded_volume	70898 Å³
envelope_volume	84241 Å³
shell_volume	27850 Å³
envelope_diameter	91.5 Å
shell_rg	32.37 Å
envelope_rg	26.02 Å
shape_rg	25.96 Å
total_rg	26.58 Å
total_atoms	4018
n_residues	523
n_harmonics	20
q_range	— – 0.5000 Å⁻¹
n_points	101
shell_type	directional
solvent_density	0.3340 e/Å³
contrast_shell	0.0300 e/Å³
crysol_version	4.1.3

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3. P(r) Analysis (GNOM)

dmax	89.5 Å
rg_real	27.14 Å
rg_real_error	0.62 Å
i0_real	5.6720e+07
i0_real_error	7.6740e+05
rg_reciprocal	27.11 Å
i0_reciprocal	56720000.0000
total_estimate	0.8701
solution_quality	GOOD a GOOD solution
n_peaks	2
r_peak_primary	25.8 Å
skewness	0.427
kurtosis	-0.413
angular_range	— – 0.2950 Å⁻¹
current_alpha	0.0000
highest_alpha	20590000.0000
n_real_points	60
gnom_version	4.1.3
quality_criteria	AN1: 0.000; Oscil: 0.841; Stabil: 1.000; Sysdev: 1.000; Positv: 1.000; Valcen: 0.885; Smooth: 0.898

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4. Crystallography & Experiment

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5. Entities & Polymer Info (4)

Entity 1 polymer

description	Beta-lactamase
formula_weight	28373.8 kDa
ec_number	3.5.2.6
mutation	I105R
src_method	man
entity_count	2

Polymer

type	polypeptide(L)
strand_id	A,B
atom_count	4344

GDLADRFAELERRYDARLGVYVPATGTTAAIEYRADERFAFCSTFKAPLVAAVLHQNPLTHLDKLITYTSDDIRSRSPVAQQHVQTGMTIGQLCDAAIRYSDGTAANLLLADLGGPGGGTAAFTGYLRSLGDTVSRLDAEEPELNRDPPGDERDTTTPHAIALVLQQLVLGNALPPDKRALLTDWMARNTTGAKRIRAGFPADWKVIDKTGTGDYGRANDIAVVWSPTGVPYVVAVMSDRAGGGYDAEPREALLAEAATCVAGVLA

Source

organism	Mycobacterium tuberculosis
ncbi_taxonomy_id	1773
host_organism	Escherichia coli BL21(DE3)

Entity 2 non-polymer

description	GLYCEROL
formula_weight	92.1 kDa
src_method	syn
entity_count	5

Entity 3 non-polymer

description	ZINC ION
formula_weight	65.4 kDa
src_method	syn
entity_count	1

Entity 4 water

description	water
formula_weight	18.0 kDa
src_method	nat
entity_count	261

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6. Citations (1)

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length_a	39.161 Å
length_b	40.975 Å
length_c	267.495 Å
angle_alpha	90.00 °
angle_beta	90.00 °
angle_gamma	90.00 °
z_pdb	8

space_group	P 21 21 21
int_tables_number	19
crystal_system	—

resolution	1.800 Å
resolution_low	44.620 Å
r_factor	0.1754
r_work	0.1735
r_free	0.2112

fit	/app/data/saxs_computation/qi/9qi5/9qi5.fit
pddf	/app/data/pr_computation/qi/9qi5/9qi5.pr.out
profile	/app/data/saxs_computation/qi/9qi5/9qi5.dat

Crystal structure of I105R mutant of BlaC from Mycobacterium tuberculosis

SAXS Profile

P(r) Distribution

1. Structure Basics

Download Data

2. SAXS Parameters (CRYSOL)

3. P(r) Analysis (GNOM)

4. Crystallography & Experiment

Unit Cell

Symmetry

Refinement

Diffraction