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9q7w

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

Method: X-RAY DIFFRACTION D_max: 90.5 Å Quality: REASONABLE

SAXS Profile

P(r) Distribution

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1. Structure Basics

entry_id	9q7w
deposition_date	2025-08-25
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 BINDING PROTEIN
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	24.86 Å
rg_electron	23.91 Å
i0	53806900.00
molecular_weight	48016.0 kDa
excluded_volume	56063 Å³
envelope_volume	68793 Å³
shell_volume	25038 Å³
envelope_diameter	93.7 Å
shell_rg	30.23 Å
envelope_rg	24.25 Å
shape_rg	23.85 Å
total_rg	24.66 Å
total_atoms	3349
n_residues	345
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	90.5 Å
rg_real	26.30 Å
rg_real_error	0.33 Å
i0_real	5.4150e+07
i0_real_error	6.3490e+05
rg_reciprocal	25.04 Å
i0_reciprocal	53810000.0000
total_estimate	0.6105
solution_quality	REASONABLE a REASONABLE solution
n_peaks	1
r_peak_primary	25.9 Å
skewness	0.651
kurtosis	-0.037
angular_range	— – 0.3200 Å⁻¹
current_alpha	4.3240
highest_alpha	7962000.0000
n_real_points	64
gnom_version	4.1.3
quality_criteria	AN1: 0.000; Oscil: 0.657; Stabil: 0.867; Sysdev: 0.000; Positv: 1.000; Valcen: 0.682; Smooth: 0.714

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4. Crystallography & Experiment

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5. Entities & Polymer Info (7)

Entity 1 polymer

description	eI-OnuI_P456_AGT
formula_weight	34375.7 kDa
src_method	man
entity_count	1

Polymer

type	polypeptide(L)
strand_id	A
atom_count	3364

MASSRRESINPWILTGFADAEGSFLLRIRNNNKSSVGYSTELGFQITLHNKDKSILENIQSTWKVGVIANSGDNAVSLKVTRFEDLKVIIDHFEKYPLITQKLGDYKLFKQAFSVMENKEHLKENGIKELVRIKAKLNWGLTDELKKAFPENISKERSLINKNIPNFKWLAGFTSGEGSFIVNLIKSKSKLGVQVQLRFTITQHIKDKNLMNSLITYLGCGYIVESNKSEFSWLTFVVTKFSDINDKIIPVFQENTLIGVKLEDFEDWCKVAKLIEEKKHLTESGLDEIKKIKLNMNKGR

Source

organism	synthetic construct
ncbi_taxonomy_id	32630
host_organism	Escherichia coli

Entity 2 polymer

description	DNA (26-MER)
formula_weight	7974.1 kDa
src_method	syn
entity_count	1

Polymer

type	polydeoxyribonucleotide
strand_id	B

GGGTTTCCACTTATTCAAGTTTTTAG

Entity 3 polymer

description	DNA (26-MER)
formula_weight	7997.2 kDa
src_method	syn
entity_count	1

Polymer

type	polydeoxyribonucleotide
strand_id	C

CCTAAAAACTTGAATAAGTGGAAACC

Entity 4 non-polymer

description	CALCIUM ION
formula_weight	40.1 kDa
src_method	syn
entity_count	2

Entity 5 non-polymer

description	1,2-ETHANEDIOL
formula_weight	62.1 kDa
src_method	syn
entity_count	2

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	15

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6. Citations (1)

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length_a	39.224 Å
length_b	70.489 Å
length_c	166.859 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	2.537 Å
resolution_low	43.664 Å
r_factor	0.2179
r_work	0.2126
r_free	0.2661

fit	/app/data/saxs_computation/q7/9q7w/9q7w.fit
pddf	/app/data/pr_computation/q7/9q7w/9q7w.pr.out
profile	/app/data/saxs_computation/q7/9q7w/9q7w.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)