SAXSdb — 9xvi

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1. Structure Basics

entry_id	9xvi
deposition_date	2025-11-26
title	Arabidopsis ISA2-ISA1-ISA1-ISA2 heterotetramer
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	72.74 Å
rg_electron	74.06 Å
i0	1583020000.00
molecular_weight	335830.0 kDa
excluded_volume	419670 Å³
envelope_volume	652420 Å³
shell_volume	81045 Å³
envelope_diameter	257.2 Å
shell_rg	58.78 Å
envelope_rg	73.76 Å
shape_rg	74.04 Å
total_rg	73.81 Å
total_atoms	23700
n_residues	2964
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	225.6 Å
rg_real	73.16 Å
rg_real_error	2.03 Å
i0_real	1.5800e+09
i0_real_error	3.4190e+07
rg_reciprocal	69.62 Å
i0_reciprocal	1571000000.0000
total_estimate	0.7252
solution_quality	REASONABLE a REASONABLE solution
n_peaks	1
r_peak_primary	43.0 Å
skewness	0.521
kurtosis	-0.716
angular_range	— – 0.1050 Å⁻¹
current_alpha	0.0171
highest_alpha	56710000.0000
n_real_points	22
gnom_version	4.1.3
quality_criteria	AN1: 0.000; Oscil: 0.563; Stabil: 0.998; Sysdev: 1.000; Positv: 1.000; Valcen: 0.717; Smooth: 0.020

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4. Crystallography & Experiment

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5. Entities & Polymer Info (2)

Entity 1 polymer

description	Isoamylase 1, chloroplastic
formula_weight	87301.9 kDa
ec_number	3.2.1.68
src_method	man
entity_count	2

Polymer

type	polypeptide(L)
strand_id	A,B
atom_count	23700

MAHHHHHHHHHHGSGSGSGSGSEFAKDRRSNEAENIAVVEKPLKSDRFFISDGLPSPFGPTVRDDGVNFSVYSTNSVSATICLISLSDLRQNKVTEEIQLDPSRNRTGHVWHVFLRGDFKDMLYGYRFDGKFSPEEGHYYDSSNILLDPYAKAIISRDEFGVLGPDDNCWPQMACMVPTREEEFDWEGDMHLKLPQKDLVIYEMHVRGFTRHESSKIEFPGTYQGVAEKLDHLKELGINCIELMPCHEFNELEYYSYNTILGDHRVNFWGYSTIGFFSPMIRYASASSNNFAGRAINEFKILVKEAHKRGIEVIMDVVLNHTAEGNEKGPIFSFRGVDNSVYYMLAPKGEFYNYSGCGNTFNCNHPVVRQFILDCLRYWVTEMHVDGFRFDLGSIMSRSSSLWDAANVYGADVEGDLLTTGTPISCPPVIDMISNDPILRGVKLIAEAWDAGGLYQVGMFPHWGIWSEWNGKFRDVVRQFIKGTDGFSGAFAECLCGSPNLYQGGRKPWHSINFICAHDGFTLADLVTYNNKNNLANGEENNDGENHNYSWNCGEEGDFASISVKRLRKRQMRNFFVSLMVSQGVPMIYMGDEYGHTKGGNNNTYCHDNYMNYFRWDKKEEAHSDFFRFCRILIKFRDECESLGLNDFPTAKRLQWHGLAPEIPNWSETSRFVAFSLVDSVKKEIYVAFNTSHLATLVSLPNRPGYRWEPFVDTSKPSPYDCITPDLPERETAMKQYRHFLDANVYPMLSYSSIILLLSPIKDP

Source

organism	Arabidopsis thaliana
common_name	thale cress
ncbi_taxonomy_id	3702
host_organism	Homo sapiens

Entity 2 polymer

description	Isoamylase 2, chloroplastic
formula_weight	97595.5 kDa
src_method	man
entity_count	2

Polymer

type	polypeptide(L)
strand_id	C,D

MDYKDDDDKWSHPQFEKGGGGSGGSAWSHPQFEKEFKGLVDGDLVTSALQSYQFSKICASKTSIELREALSSRRAEADDLKKVTSYSFRTKAGALVKVKVEKKREKYSILVYVSSLELSGDDKSRLVMVWGVYRSDSSCFLPLDFENSSQDSQTHTTETTFVKSSLSELMLGLEFDGKESPFYLSFHLKLVSGRDPDGQEMLTHRDTDFCIPVGFTAGHPLPLGLSSGPDDDSWNFSFFSRSSTNVVLCLYDDSTTDKPALELDLDPYVNRTGDVWHASVDNTWDFVRYGYRCKETAHSKEDVDVEGEPIVLDPYATVVGKSVSQKYLGSLSKSPSFDWGEDVSPNIPLEKLLVYRLNVKGFTQHRSSKLPSNVAGTFSGVAEKVSHLKTLGTNAVLLEPIFSFSEQKGPYFPFHFFSPMDIYGPSNSLESAVNSMKVMVKKLHSEGIEVLLEVVFTHTADSGALRGIDDSSYYYKGRANDLDSKSYLNCNYPVVQQLVLESLRYWVTEFHVDGFCFINASSLLRGVHGEQLSRPPLVEAIAFDPLLAETKLIADCWDPLEMMPKEVRFPHWKRWAELNTRYCRNVRNFLRGRGVLSDLATRICGSGDVFTDGRGPAFSFNYISRNSGLSLVDIVSFSGPELASELSWNCGEEGATNKSAVLQRRLKQIRNFLFIQYISLGVPVLNMGDECGISTRGSPLLESRKPFDWNLLASAFGTQITQFISFMTSVRARRSDVFQRRDFLKPENIVWYANDQTTPKWEDPASKFLALEIKSESEEEETASLAEPNEPKSNDLFIGFNASDHPESVVLPSLPDGSKWRRLVDTALPFPGFFSVEGETVVAEEPLQQLVVYEMKPYSCTLFETINTTA

Source

organism	Arabidopsis thaliana
common_name	thale cress
ncbi_taxonomy_id	3702
host_organism	Homo sapiens

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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	3.650 Å
resolution_low	— Å
r_factor	—
r_work	—
r_free	—

resolution	3.65 Å
resolution_method	—
num_particles	39217

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

Arabidopsis ISA2-ISA1-ISA1-ISA2 heterotetramer

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 (2)

Entity 1 polymer

Polymer

Source

Entity 2 polymer

Polymer

Source

6. Citations (1)

7. Files & Curves (10)

Files (7)

Curves (3)