SAXSdb — 5xuy

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1. Protein Identity and Related Structures Protein Identity & Related Structures

Autophagy-related protein 13

Homo sapiens

State in the Current Structure

Assembly	Physical composition	Protein state	Molecular copy count	Associated components	Data consistency
1	Protein heterocomplex	Heteromer	Protein 2	Autophagy-related protein 101 × 1 （Q9BSB4） water × 2	Consistent with protein count
2	Protein heterocomplex	Heteromer	Protein 2	Autophagy-related protein 101 × 1 （Q9BSB4） water × 2	Consistent with protein count

Other States of the Same Protein in the Database

View Construct and Data Evidence

UniProt name	ATG13_HUMAN
Isoform	—
PDB entities	1
Chains and sequence ranges	Author chain A； PDBConstruct 1–190； UniProt 1–190 Author chain C； PDBConstruct 1–190； UniProt 1–190

Autophagy-related protein 101

Homo sapiens

UniProt Q9BSB4

State in the Current Structure

Assembly	Physical composition	Protein state	Molecular copy count	Associated components	Data consistency
1	Protein heterocomplex	Heteromer	Protein 2	Autophagy-related protein 13 × 1 （O75143） water × 2	Consistent with protein count
2	Protein heterocomplex	Heteromer	Protein 2	Autophagy-related protein 13 × 1 （O75143） water × 2	Consistent with protein count

Other States of the Same Protein in the Database

View Construct and Data Evidence

UniProt name	ATGA1_HUMAN
Isoform	—
PDB entities	2
Chains and sequence ranges	Author chain B； PDBConstruct 1–218； UniProt 1–218 Author chain D； PDBConstruct 1–218； UniProt 1–218

The page prioritizes protein identity, the current assembly, associated components, oligomeric state and cross-PDB links. Chain mapping and sequence ranges are retained as data evidence. Internal IDs, import timestamps and assembly operation expressions are maintenance fields and are not shown here.

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2. Structure Basics 2. Structure Basics

Entry ID entry_id	5xuy
Deposition date deposition_date	2017-06-26
Structure title title	Crystal structure of ATG101-ATG13HORMA
Keywords keywords	AUTOPHAGY, ATG101, ATG13, HORMA, PROTEIN BINDING; PROTEIN BINDING
Experimental Method method	X-RAY DIFFRACTION

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3. Official assembly/model SAXS Official SAXS Profiles

This page reads only the latest assembly calculations. Every curve maps to an explicit PDB entry, official biological assembly and coordinate model.

5xuy__assembly_1__model_1

Assembly 1 · Model 1 · CRYSOL 4.1.3-1-20251215 (887e7ef)

Download this curve (.dat)

5xuy__assembly_1__model_1 | I(q)

100 plotted points; both axes use logarithmic scales.

5xuy__assembly_1__model_1 | P(r) · Pending

P(r) will be calculated and displayed separately for the same assembly/model.

Rg（Guinier）	23.02 Å
Rg (electron density)	21.70 Å
Total Rg	22.57 Å
Atom count	2895
Residues	385
Excluded volume	51668 Å³
Maximum q	0.500 Å⁻¹

Assembly	Model	Structure unit	Oligomeric description	Status	CRYSOL	Actions
1	1	`5xuy__assembly_1__model_1`	dimeric （2）	Success	4.1.3-1-20251215 (887e7ef)	View Download
2	1	`5xuy__assembly_2__model_1`	dimeric （2）	Success	4.1.3-1-20251215 (887e7ef)	View Download

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4. Crystallography and Experiment 4. Crystallography & Experiment

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5. Entities and Polymers Entities & Polymers (3)

Entity 1 Entity 1 polymer

Description description	Autophagy-related protein 13
Molecular weight formula_weight	21319.7 kDa
Source method src_method	man
Copy count entity_count	2

Polymer Polymer

Polymer type type	polypeptide(L)
Chain IDs strand_id	A,C
Atom count atom_count	6039

METDLNSQDRKDLDKFIKFFALKTVQVIVQARLGEKICTRSSSSPTGSDWFNLAIKDIPEVTHEAKKALAGQLPAVGRSMCVEISLKTSEGDSMELEIWCLEMNEKCDKEIKVSYTVYNRLSLLLKSLLAITRVTPAYRLSRKQGHEYVILYRIYFGEVQLSGLGEGFQTVRVGTVGTPVGTITLSCAYR

Source Source

Source organism organism	Homo sapiens
Common name common_name	Human
NCBI taxonomy ID ncbi_taxonomy_id	9606
Host organism host_organism	Escherichia coli

Entity 2 Entity 2 polymer

Description description	Autophagy-related protein 101
Molecular weight formula_weight	24862.4 kDa
Mutation mutation	K40A/K41A/E42A
Source method src_method	man
Copy count entity_count	2

Polymer Polymer

Polymer type type	polypeptide(L)
Chain IDs strand_id	B,D

MNCRSEVLEVSVEGRQVEEAMLAVLHTVLLHRSTGKFHYAAAGTYSIGTVGTQDVDCDFIDFTYVRVSSEELDRALRKVVGEFKDALRNSGGDGLGQMSLEFYQKKKSRWPFSDECIPWEVWTVKVHVVALATEQERQICREKVGEKLCEKIINIVEVMNRHEYLPKMPTQSEVDNVFDTGLRDVQPYLYKISFQITDALGTSVTTTMRRLIKDTLAL

Source Source

Source organism organism	Homo sapiens
Common name common_name	Human
NCBI taxonomy ID ncbi_taxonomy_id	9606
Host organism host_organism	Escherichia coli

Entity 3 Entity 3 water

Description description	water
Molecular weight formula_weight	18.0 kDa
Source method src_method	nat
Copy count entity_count	101

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6. Fold Classification (SCOP + CATH) 2 domains

CATH v4.4 (2 domains)

Domain ID domain_id	5xuyA00
Class class	3 — Alpha Beta
Architecture architecture	30 — 2-Layer Sandwich
Topology topology	900 — Cell Cycle, Spindle Assembly Checkpoint Protein; Chain A
Homologous superfamily homologous superfamily	10 — HORMA domain

Domain ID domain_id	5xuyC00
Class class	3 — Alpha Beta
Architecture architecture	30 — 2-Layer Sandwich
Topology topology	900 — Cell Cycle, Spindle Assembly Checkpoint Protein; Chain A
Homologous superfamily homologous superfamily	10 — HORMA domain

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Unit-cell length a length_a	87.990 Å
Unit-cell length b length_b	125.177 Å
Unit-cell length c length_c	100.760 Å
Unit-cell angle α angle_alpha	90.00 °
Unit-cell angle β angle_beta	102.08 °
Unit-cell angle γ angle_gamma	90.00 °
Molecules per unit cell Z z_pdb	8

Space group space_group	C 1 2 1
Space-group number int_tables_number	5
Crystal system crystal_system	—

Resolution resolution	2.200 Å
Low-resolution limit resolution_low	31.464 Å
R factor r_factor	0.2386
R_work r_work	0.2372
R_free r_free	0.2751

Crystal structure of ATG101-ATG13HORMA

1. Protein Identity and Related Structures Protein Identity & Related Structures

Autophagy-related protein 13

State in the Current Structure

Other States of the Same Protein in the Database

Autophagy-related protein 101

State in the Current Structure

Other States of the Same Protein in the Database

2. Structure Basics 2. Structure Basics

3. Official assembly/model SAXS Official SAXS Profiles

5xuy__assembly_1__model_1

5xuy__assembly_1__model_1 | I(q)

5xuy__assembly_1__model_1 | P(r) · Pending

4. Crystallography and Experiment 4. Crystallography & Experiment

Unit cell Unit Cell

Symmetry Symmetry

Refinement Refinement

Diffraction experiment Diffraction

5. Entities and Polymers Entities & Polymers (3)

Entity 1 Entity 1 polymer

Polymer Polymer

Source Source

Entity 2 Entity 2 polymer

Polymer Polymer

Source Source

Entity 3 Entity 3 water

6. Fold Classification (SCOP + CATH) 2 domains

CATH v4.4 (2 domains)

7. Citations (1)

Crystal structure of ATG101-ATG13HORMA

1. Protein Identity and Related Structures Protein Identity & Related Structures

Autophagy-related protein 13

State in the Current Structure

Other States of the Same Protein in the Database

Monomer

Homodimer

Homotetramer

Other homooligomers

Heteromeric or nucleic-acid complex

Autophagy-related protein 101

State in the Current Structure

Other States of the Same Protein in the Database

Monomer

Homodimer

Homotetramer

Other homooligomers

Heteromeric or nucleic-acid complex

2. Structure Basics 2. Structure Basics

3. Official assembly/model SAXS Official SAXS Profiles

5xuy__assembly_1__model_1

5xuy__assembly_1__model_1 | I(q)

5xuy__assembly_1__model_1 | P(r) · Pending

4. Crystallography and Experiment 4. Crystallography & Experiment

Unit cell Unit Cell

Symmetry Symmetry

Refinement Refinement

Diffraction experiment Diffraction

5. Entities and Polymers Entities & Polymers (3)

Entity 1 Entity 1 polymer

Polymer Polymer

Source Source

Entity 2 Entity 2 polymer

Polymer Polymer

Source Source

Entity 3 Entity 3 water

6. Fold Classification (SCOP + CATH) 2 domains

CATH v4.4 (2 domains)

7. Citations (1)