Maltoheptaose-incubated Arabidopsis ISA1-ISA1 homodimer

Method: ELECTRON MICROSCOPY D_max: 172.6 Å Quality: SUSPICIOUS

SAXS Profile

P(r) Distribution

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1. Structure Basics

entry_id	9xvg
deposition_date	2025-11-26
title	Maltoheptaose-incubated Arabidopsis ISA1-ISA1 homodimer
keywords	isoamylase, ISA1, ISA2, PLANT PROTEIN; PLANT PROTEIN
method	ELECTRON MICROSCOPY

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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	49.49 Å
rg_electron	50.72 Å
i0	333522000.00
molecular_weight	149040.0 kDa
excluded_volume	185490 Å³
envelope_volume	255440 Å³
shell_volume	47754 Å³
envelope_diameter	186.3 Å
shell_rg	44.78 Å
envelope_rg	51.38 Å
shape_rg	50.74 Å
total_rg	50.42 Å
total_atoms	10512
n_residues	1295
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	172.6 Å
rg_real	51.92 Å
rg_real_error	0.86 Å
i0_real	3.3400e+08
i0_real_error	5.8170e+06
rg_reciprocal	49.51 Å
i0_reciprocal	332900000.0000
total_estimate	0.4836
solution_quality	SUSPICIOUS a SUSPICIOUS solution
n_peaks	1
r_peak_primary	32.4 Å
skewness	0.631
kurtosis	-0.461
angular_range	— – 0.1600 Å⁻¹
current_alpha	1.4130
highest_alpha	74050000.0000
n_real_points	33
gnom_version	4.1.3
quality_criteria	AN1: 0.000; Oscil: 0.352; Stabil: 0.948; Sysdev: 0.000; Positv: 1.000; Valcen: 0.247; Smooth: 0.140

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4. Crystallography & Experiment

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5. Entities & Polymer Info (1)

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6. Citations (1)

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length_a	1.000 Å
length_b	1.000 Å
length_c	1.000 Å
angle_alpha	90.00 °
angle_beta	90.00 °
angle_gamma	90.00 °
z_pdb	—

space_group	P 1
int_tables_number	1
crystal_system	—

resolution	2.490 Å
resolution_low	— Å
r_factor	—
r_work	—
r_free	—

resolution	2.49 Å
resolution_method	—
num_particles	194545

description	Isoamylase 1, chloroplastic
formula_weight	89311.1 kDa
ec_number	3.2.1.68
src_method	man
entity_count	2

Maltoheptaose-incubated Arabidopsis ISA1-ISA1 homodimer

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

EM 3D

5. Entities & Polymer Info (1)

Entity 1 polymer

Polymer

Source

6. Citations (1)

7. Files & Curves (10)

Files (7)

Curves (3)

organism	Arabidopsis thaliana
common_name	thale cress
ncbi_taxonomy_id	3702
host_organism	Homo sapiens

fit	/app/data/saxs_computation/xv/9xvg/9xvg.fit
pddf	/app/data/pr_computation/xv/9xvg/9xvg.pr.out
profile	/app/data/saxs_computation/xv/9xvg/9xvg.dat

type	polypeptide(L)
strand_id	A,B
atom_count	10512