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9pz7

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

Method: X-RAY DIFFRACTION D_max: 89.2 Å Quality: REASONABLE

SAXS Profile

P(r) Distribution

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1. Structure Basics

entry_id	9pz7
deposition_date	2025-08-08
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	24.99 Å
rg_electron	23.94 Å
i0	56608800.00
molecular_weight	49196.0 kDa
excluded_volume	57418 Å³
envelope_volume	70268 Å³
shell_volume	25386 Å³
envelope_diameter	95.7 Å
shell_rg	30.43 Å
envelope_rg	24.41 Å
shape_rg	23.89 Å
total_rg	24.71 Å
total_atoms	3407
n_residues	346
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	89.2 Å
rg_real	25.22 Å
rg_real_error	0.87 Å
i0_real	5.6610e+07
i0_real_error	9.2750e+05
rg_reciprocal	25.16 Å
i0_reciprocal	56610000.0000
total_estimate	0.7405
solution_quality	REASONABLE a REASONABLE solution
n_peaks	3
r_peak_primary	25.5 Å
skewness	0.595
kurtosis	-0.047
angular_range	— – 0.3200 Å⁻¹
current_alpha	0.0000
highest_alpha	8327000.0000
n_real_points	64
gnom_version	4.1.3
quality_criteria	AN1: 0.000; Oscil: 0.633; Stabil: 0.997; Sysdev: 1.000; Positv: 1.000; Valcen: 0.733; Smooth: 0.000

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4. Crystallography & Experiment

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5. Entities & Polymer Info (8)

Entity 1 polymer

description	eI-OnuI_P456_TCA
formula_weight	34600.9 kDa
src_method	man
entity_count	1

Polymer

type	polypeptide(L)
strand_id	A
atom_count	3446

MASSRRESINPWILTGFADAEGSFLLRIRNNNKSSVGYSTELGFQITLHNKDKSILENIQSTWKVGVIANSGDNAVSLKVTRFEDLKVIIDHFEKYPLITQKLGDYKLFKQAFSVMENKEHLKENGIKELVRIKAKLNWGLTDELKKAFPENISKERSLINKNIPNFKWLAGFTSGEGSFYVNLIKSKSKLGVQVQLRFDITQHIKDKNLMNSLITYLGCGYIIEYNKSEFSWLNFRVTKFSDINDKIIPVFQENTLIGVKLEDFEDWCKVAKLIEEKKHLTESGLDEIKKIKLNMNKGR

Source

organism	synthetic construct
ncbi_taxonomy_id	32630
host_organism	Escherichia coli

Entity 2 polymer

description	DNA (26-MER)
formula_weight	7934.1 kDa
src_method	syn
entity_count	1

Polymer

type	polydeoxyribonucleotide
strand_id	B

GGGTTTCCACTTATTCATCATTTTAG

Entity 3 polymer

description	DNA (26-MER)
formula_weight	8037.2 kDa
src_method	syn
entity_count	1

Polymer

type	polydeoxyribonucleotide
strand_id	C

CCTAAAATGATGAATAAGTGGAAACC

Entity 4 non-polymer

description	CALCIUM ION
formula_weight	40.1 kDa
src_method	syn
entity_count	2

Entity 5 non-polymer

description	SULFATE ION
formula_weight	96.1 kDa
src_method	syn
entity_count	2

Entity 6 non-polymer

description	CHLORIDE ION
formula_weight	35.5 kDa
src_method	syn
entity_count	1

Entity 7 non-polymer

description	GLYCEROL
formula_weight	92.1 kDa
src_method	syn
entity_count	1

Entity 8 water

description	water
formula_weight	18.0 kDa
src_method	nat
entity_count	39

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6. Citations (1)

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length_a	49.208 Å
length_b	63.739 Å
length_c	166.752 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	2.504 Å
resolution_low	31.898 Å
r_factor	0.2213
r_work	0.2182
r_free	0.2478

fit	/app/data/saxs_computation/pz/9pz7/9pz7.fit
pddf	/app/data/pr_computation/pz/9pz7/9pz7.pr.out
profile	/app/data/saxs_computation/pz/9pz7/9pz7.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 (8)

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 non-polymer

Entity 8 water

6. Citations (1)

7. Files & Curves (10)

Files (7)

Curves (3)