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9q0h

One of a series of engineered variants of I-OnuI meganuclease targeting altered DNA target sequence

Method: X-RAY DIFFRACTION D_max: 89.0 Å Quality: REASONABLE

SAXS Profile

P(r) Distribution

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1. Structure Basics

entry_id	9q0h
deposition_date	2025-08-12
last_revision	2025-09-10
title	One of a series of engineered variants of I-OnuI meganuclease targeting altered DNA target sequence
keywords	meganuclease, structure prediction, protein engineering, DNA BINDING PROTEIN-DNA complex; DNA BINDING PROTEIN/DNA
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	24.80 Å
rg_electron	23.76 Å
i0	55418900.00
molecular_weight	48922.0 kDa
excluded_volume	57180 Å³
envelope_volume	68866 Å³
shell_volume	25134 Å³
envelope_diameter	93.8 Å
shell_rg	30.23 Å
envelope_rg	24.12 Å
shape_rg	23.71 Å
total_rg	24.51 Å
total_atoms	3409
n_residues	347
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	89.0 Å
rg_real	25.02 Å
rg_real_error	0.92 Å
i0_real	5.5420e+07
i0_real_error	8.5480e+05
rg_reciprocal	24.97 Å
i0_reciprocal	55420000.0000
total_estimate	0.7399
solution_quality	REASONABLE a REASONABLE solution
n_peaks	3
r_peak_primary	25.4 Å
skewness	0.597
kurtosis	-0.027
angular_range	— – 0.3200 Å⁻¹
current_alpha	0.0000
highest_alpha	7607000.0000
n_real_points	64
gnom_version	4.1.3
quality_criteria	AN1: 0.000; Oscil: 0.628; Stabil: 0.998; Sysdev: 1.000; Positv: 1.000; Valcen: 0.736; Smooth: 0.000

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4. Crystallography & Experiment

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5. Entities & Polymer Info (7)

Entity 1 polymer

description	eI-OnuI_P456_GGC_3
formula_weight	34448.8 kDa
src_method	man
entity_count	1

Polymer

type	polypeptide(L)
strand_id	A
atom_count	3487

MASSRRESINPWILTGFADAEGSFLLRIRNNNKSSVGYSTELGFQITLHNKDKSILENIQSTWKVGVIANSGDNAVSLKVTRFEDLKVIIDHFEKYPLITQKLGDYKLFKQAFSVMENKEHLKENGIKELVRIKAKLNWGLTDELKKAFPENISKERSLINKNIPNFKWLAGFTSGEGNFGVNLIKSKSKLGVQVQLVFRITQHIKDKNLMNSLITYLGCGYIREYNKSEFSWLAFVVTKFSDINDKIIPVFQENTLIGVKLEDFEDWCKVAKLIEEKKHLTESGLDEIKKIKLNMNKGR

Source

organism	synthetic construct
ncbi_taxonomy_id	32630
host_organism	Escherichia coli

Entity 2 polymer

description	DNA (26-MER)
formula_weight	7975.1 kDa
src_method	syn
entity_count	1

Polymer

type	polydeoxyribonucleotide
strand_id	B

GGGTTTCCACTTATTCAGGCTTTTAG

Entity 3 polymer

description	DNA (26-MER)
formula_weight	7998.2 kDa
src_method	syn
entity_count	1

Polymer

type	polydeoxyribonucleotide
strand_id	C

CCTAAAAGCCTGAATAAGTGGAAACC

Entity 4 non-polymer

description	CALCIUM ION
formula_weight	40.1 kDa
src_method	syn
entity_count	6

Entity 5 non-polymer

description	4-(2-HYDROXYETHYL)-1-PIPERAZINE ETHANESULFONIC ACID
formula_weight	238.3 kDa
src_method	syn
entity_count	1

Entity 6 non-polymer

description	GLYCEROL
formula_weight	92.1 kDa
src_method	syn
entity_count	2

Entity 7 water

description	water
formula_weight	18.0 kDa
src_method	nat
entity_count	78

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6. Citations (1)

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length_a	39.278 Å
length_b	75.539 Å
length_c	167.234 Å
angle_alpha	90.00 °
angle_beta	90.00 °
angle_gamma	90.00 °
z_pdb	4

space_group	P 21 21 21
int_tables_number	19
crystal_system	—

resolution	2.200 Å
resolution_low	44.854 Å
r_factor	0.2022
r_work	0.1984
r_free	0.2471

fit	/app/data/saxs_computation/q0/9q0h/9q0h.fit
pddf	/app/data/pr_computation/q0/9q0h/9q0h.pr.out
profile	/app/data/saxs_computation/q0/9q0h/9q0h.dat

One of a series of engineered variants of I-OnuI meganuclease targeting altered DNA target sequence

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

5. Entities & Polymer Info (7)

Entity 1 polymer

Polymer

Source

Entity 2 polymer

Polymer

Entity 3 polymer

Polymer

Entity 4 non-polymer

Entity 5 non-polymer

Entity 6 non-polymer

Entity 7 water

6. Citations (1)

7. Files & Curves (10)

Files (7)

Curves (3)