5l13

Structure of ALDH2 in complex with 2P3

Method: X-RAY DIFFRACTION

▼

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

Aldehyde dehydrogenase, mitochondrial

Homo sapiens

State in the Current Structure

Assembly	Physical composition	Protein state	Molecular copy count	Associated components	Data consistency
1	Protein homooligomer	Homooligomer	Protein 4	SODIUM ION × 4 1,2-ETHANEDIOL × 5 GUANIDINE × 8 2,3,5-trimethyl-6-propyl-7H-furo[3,2-g][1]benzopyran-7-one × 4 water × 4	Consistent with protein count
2	Protein homooligomer	Homooligomer	Protein 4	SODIUM ION × 4 1,2-ETHANEDIOL × 7 GUANIDINE × 8 2,3,5-trimethyl-6-propyl-7H-furo[3,2-g][1]benzopyran-7-one × 4 water × 4	Consistent with protein count

Other States of the Same Protein in the Database

View Construct and Data Evidence

UniProt name	ALDH2_HUMAN
Isoform	—
PDB entities	1
Chains and sequence ranges	Author chain A； PDBConstruct 1–517； UniProt 1–517 Author chain B； PDBConstruct 1–517； UniProt 1–517 Author chain C； PDBConstruct 1–517； UniProt 1–517 Author chain D； PDBConstruct 1–517； UniProt 1–517 Author chain E； PDBConstruct 1–517； UniProt 1–517 Author chain F； PDBConstruct 1–517； UniProt 1–517 Author chain G； PDBConstruct 1–517； UniProt 1–517 Author chain H； PDBConstruct 1–517； UniProt 1–517

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.

▼

2. Structure Basics 2. Structure Basics

Entry ID entry_id	5l13
Deposition date deposition_date	2016-07-28
Structure title title	Structure of ALDH2 in complex with 2P3
Keywords keywords	OXIDOREDUCTASE-OXIDOREDUCTASE INHIBITOR complex; OXIDOREDUCTASE/OXIDOREDUCTASE INHIBITOR
Experimental Method method	X-RAY DIFFRACTION

▼

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.

5l13__assembly_1__model_1

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

Download this curve (.dat)

5l13__assembly_1__model_1 | I(q)

100 plotted points; both axes use logarithmic scales.

5l13__assembly_1__model_1 | P(r) · Pending

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

Rg（Guinier）	36.61 Å
Rg (electron density)	35.86 Å
Total Rg	36.45 Å
Atom count	15328
Residues	1976
Excluded volume	272920 Å³
Maximum q	0.500 Å⁻¹

Assembly	Model	Structure unit	Oligomeric description	Status	CRYSOL	Actions
1	1	`5l13__assembly_1__model_1`	tetrameric （4）	Success	4.1.3-1-20251215 (887e7ef)	View Download
2	1	`5l13__assembly_2__model_1`	tetrameric （4）	Success	4.1.3-1-20251215 (887e7ef)	View Download

▶

4. Crystallography and Experiment 4. Crystallography & Experiment

▶

5. Entities and Polymers Entities & Polymers (6)

Entity 1 Entity 1 polymer

Description description	Aldehyde dehydrogenase, mitochondrial
Molecular weight formula_weight	56441.0 kDa
EC 编号 ec_number	1.2.1.3
Source method src_method	man
Copy count entity_count	8

Polymer Polymer

Polymer type type	polypeptide(L)
Chain IDs strand_id	A,B,C,D,E,F,G,H
Atom count atom_count	32476

MLRAAARFGPRLGRRLLSAAATQAVPAPNQQPEVFCNQIFINNEWHDAVSRKTFPTVNPSTGEVICQVAEGDKEDVDKAVKAARAAFQLGSPWRRMDASHRGRLLNRLADLIERDRTYLAALETLDNGKPYVISYLVDLDMVLKCLRYYAGWADKYHGKTIPIDGDFFSYTRHEPVGVCGQIIPWNFPLLMQAWKLGPALATGNVVVMKVAEQTPLTALYVANLIKEAGFPPGVVNIVPGFGPTAGAAIASHEDVDKVAFTGSTEIGRVIQVAAGSSNLKRVTLELGGKSPNIIMSDADMDWAVEQAHFALFFNQGQCCCAGSRTFVQEDIYDEFVERSVARAKSRVVGNPFDSKTEQGPQVDETQFKKILGYINTGKQEGAKLLCGGGIAADRGYFIQPTVFGDVQDGMTIAKEEIFGPVMQILKFKTIEEVVGRANNSTYGLAAAVFTKDLDKANYLSQALQAGTVWVNCYDVFGAQSPFGGYKMSGSGRELGEYGLQAYTEVKTVTVKVPQKNS

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 non-polymer

Description description	SODIUM ION
Molecular weight formula_weight	23.0 kDa
Source method src_method	syn
Copy count entity_count	8

Entity 3 Entity 3 non-polymer

Description description	1,2-ETHANEDIOL
Molecular weight formula_weight	62.1 kDa
Source method src_method	syn
Copy count entity_count	12

Entity 4 Entity 4 non-polymer

Description description	GUANIDINE
Molecular weight formula_weight	59.1 kDa
Source method src_method	syn
Copy count entity_count	16

Entity 5 Entity 5 non-polymer

Description description	2,3,5-trimethyl-6-propyl-7H-furo[3,2-g][1]benzopyran-7-one
Molecular weight formula_weight	270.3 kDa
Source method src_method	syn
Copy count entity_count	8

Entity 6 Entity 6 water

Description description	water
Molecular weight formula_weight	18.0 kDa
Source method src_method	nat
Copy count entity_count	1711

▼

6. Fold Classification (SCOP + CATH) 24 domains

SCOP 2.08 (8 domains)

Domain ID domain_id	d5l13a_
Class class	c — Alpha and beta proteins (a/b)
Fold Fold fold	c.82 — ALDH-like
Superfamily Superfamily superfamily	c.82.1 — ALDH-like
Family Family family	c.82.1.1 — ALDH-like

Domain ID domain_id	d5l13b_
Class class	c — Alpha and beta proteins (a/b)
Fold Fold fold	c.82 — ALDH-like
Superfamily Superfamily superfamily	c.82.1 — ALDH-like
Family Family family	c.82.1.1 — ALDH-like

Domain ID domain_id	d5l13c_
Class class	c — Alpha and beta proteins (a/b)
Fold Fold fold	c.82 — ALDH-like
Superfamily Superfamily superfamily	c.82.1 — ALDH-like
Family Family family	c.82.1.1 — ALDH-like

Domain ID domain_id	d5l13d_
Class class	c — Alpha and beta proteins (a/b)
Fold Fold fold	c.82 — ALDH-like
Superfamily Superfamily superfamily	c.82.1 — ALDH-like
Family Family family	c.82.1.1 — ALDH-like

Domain ID domain_id	d5l13e_
Class class	c — Alpha and beta proteins (a/b)
Fold Fold fold	c.82 — ALDH-like
Superfamily Superfamily superfamily	c.82.1 — ALDH-like
Family Family family	c.82.1.1 — ALDH-like

Domain ID domain_id	d5l13f_
Class class	c — Alpha and beta proteins (a/b)
Fold Fold fold	c.82 — ALDH-like
Superfamily Superfamily superfamily	c.82.1 — ALDH-like
Family Family family	c.82.1.1 — ALDH-like

Domain ID domain_id	d5l13g_
Class class	c — Alpha and beta proteins (a/b)
Fold Fold fold	c.82 — ALDH-like
Superfamily Superfamily superfamily	c.82.1 — ALDH-like
Family Family family	c.82.1.1 — ALDH-like

Domain ID domain_id	d5l13h_
Class class	c — Alpha and beta proteins (a/b)
Fold Fold fold	c.82 — ALDH-like
Superfamily Superfamily superfamily	c.82.1 — ALDH-like
Family Family family	c.82.1.1 — ALDH-like

CATH v4.4 (16 domains)

Domain ID domain_id	5l13A01
Class class	3 — Alpha Beta
Architecture architecture	40 — 3-Layer(aba) Sandwich
Topology topology	605 — Aldehyde Dehydrogenase; Chain A, domain 1
Homologous superfamily homologous superfamily	10 — Aldehyde Dehydrogenase; Chain A, domain 1

Domain ID domain_id	5l13A02
Class class	3 — Alpha Beta
Architecture architecture	40 — 3-Layer(aba) Sandwich
Topology topology	309 — Aldehyde Dehydrogenase; Chain A, domain 2
Homologous superfamily homologous superfamily	10 — Aldehyde Dehydrogenase; Chain A, domain 2

Domain ID domain_id	5l13B01
Class class	3 — Alpha Beta
Architecture architecture	40 — 3-Layer(aba) Sandwich
Topology topology	605 — Aldehyde Dehydrogenase; Chain A, domain 1
Homologous superfamily homologous superfamily	10 — Aldehyde Dehydrogenase; Chain A, domain 1

Domain ID domain_id	5l13B02
Class class	3 — Alpha Beta
Architecture architecture	40 — 3-Layer(aba) Sandwich
Topology topology	309 — Aldehyde Dehydrogenase; Chain A, domain 2
Homologous superfamily homologous superfamily	10 — Aldehyde Dehydrogenase; Chain A, domain 2

Domain ID domain_id	5l13C01
Class class	3 — Alpha Beta
Architecture architecture	40 — 3-Layer(aba) Sandwich
Topology topology	605 — Aldehyde Dehydrogenase; Chain A, domain 1
Homologous superfamily homologous superfamily	10 — Aldehyde Dehydrogenase; Chain A, domain 1

Domain ID domain_id	5l13C02
Class class	3 — Alpha Beta
Architecture architecture	40 — 3-Layer(aba) Sandwich
Topology topology	309 — Aldehyde Dehydrogenase; Chain A, domain 2
Homologous superfamily homologous superfamily	10 — Aldehyde Dehydrogenase; Chain A, domain 2

Domain ID domain_id	5l13D01
Class class	3 — Alpha Beta
Architecture architecture	40 — 3-Layer(aba) Sandwich
Topology topology	605 — Aldehyde Dehydrogenase; Chain A, domain 1
Homologous superfamily homologous superfamily	10 — Aldehyde Dehydrogenase; Chain A, domain 1

Domain ID domain_id	5l13D02
Class class	3 — Alpha Beta
Architecture architecture	40 — 3-Layer(aba) Sandwich
Topology topology	309 — Aldehyde Dehydrogenase; Chain A, domain 2
Homologous superfamily homologous superfamily	10 — Aldehyde Dehydrogenase; Chain A, domain 2

Domain ID domain_id	5l13E01
Class class	3 — Alpha Beta
Architecture architecture	40 — 3-Layer(aba) Sandwich
Topology topology	605 — Aldehyde Dehydrogenase; Chain A, domain 1
Homologous superfamily homologous superfamily	10 — Aldehyde Dehydrogenase; Chain A, domain 1

Domain ID domain_id	5l13E02
Class class	3 — Alpha Beta
Architecture architecture	40 — 3-Layer(aba) Sandwich
Topology topology	309 — Aldehyde Dehydrogenase; Chain A, domain 2
Homologous superfamily homologous superfamily	10 — Aldehyde Dehydrogenase; Chain A, domain 2

Domain ID domain_id	5l13F01
Class class	3 — Alpha Beta
Architecture architecture	40 — 3-Layer(aba) Sandwich
Topology topology	605 — Aldehyde Dehydrogenase; Chain A, domain 1
Homologous superfamily homologous superfamily	10 — Aldehyde Dehydrogenase; Chain A, domain 1

Domain ID domain_id	5l13F02
Class class	3 — Alpha Beta
Architecture architecture	40 — 3-Layer(aba) Sandwich
Topology topology	309 — Aldehyde Dehydrogenase; Chain A, domain 2
Homologous superfamily homologous superfamily	10 — Aldehyde Dehydrogenase; Chain A, domain 2

Domain ID domain_id	5l13G01
Class class	3 — Alpha Beta
Architecture architecture	40 — 3-Layer(aba) Sandwich
Topology topology	605 — Aldehyde Dehydrogenase; Chain A, domain 1
Homologous superfamily homologous superfamily	10 — Aldehyde Dehydrogenase; Chain A, domain 1

Domain ID domain_id	5l13G02
Class class	3 — Alpha Beta
Architecture architecture	40 — 3-Layer(aba) Sandwich
Topology topology	309 — Aldehyde Dehydrogenase; Chain A, domain 2
Homologous superfamily homologous superfamily	10 — Aldehyde Dehydrogenase; Chain A, domain 2

Domain ID domain_id	5l13H01
Class class	3 — Alpha Beta
Architecture architecture	40 — 3-Layer(aba) Sandwich
Topology topology	605 — Aldehyde Dehydrogenase; Chain A, domain 1
Homologous superfamily homologous superfamily	10 — Aldehyde Dehydrogenase; Chain A, domain 1

Domain ID domain_id	5l13H02
Class class	3 — Alpha Beta
Architecture architecture	40 — 3-Layer(aba) Sandwich
Topology topology	309 — Aldehyde Dehydrogenase; Chain A, domain 2
Homologous superfamily homologous superfamily	10 — Aldehyde Dehydrogenase; Chain A, domain 2

▶

Unit-cell length a length_a	99.412 Å
Unit-cell length b length_b	127.049 Å
Unit-cell length c length_c	294.847 Å
Unit-cell angle α angle_alpha	90.00 °
Unit-cell angle β angle_beta	90.00 °
Unit-cell angle γ angle_gamma	90.00 °
Molecules per unit cell Z z_pdb	32

Space group space_group	P 21 21 21
Space-group number int_tables_number	19
Crystal system crystal_system	—

Resolution resolution	2.400 Å
Low-resolution limit resolution_low	50.000 Å
R factor r_factor	0.1578
R_work r_work	0.1552
R_free r_free	0.2064

Structure of ALDH2 in complex with 2P3

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

Aldehyde dehydrogenase, mitochondrial

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

5l13__assembly_1__model_1

5l13__assembly_1__model_1 | I(q)

5l13__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 (6)

Entity 1 Entity 1 polymer

Polymer Polymer

Source Source

Entity 2 Entity 2 non-polymer

Entity 3 Entity 3 non-polymer

Entity 4 Entity 4 non-polymer

Entity 5 Entity 5 non-polymer

Entity 6 Entity 6 water

6. Fold Classification (SCOP + CATH) 24 domains

SCOP 2.08 (8 domains)

CATH v4.4 (16 domains)

7. Citations (1)

Structure of ALDH2 in complex with 2P3

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

Aldehyde dehydrogenase, mitochondrial

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

5l13__assembly_1__model_1

5l13__assembly_1__model_1 | I(q)

5l13__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 (6)

Entity 1 Entity 1 polymer

Polymer Polymer

Source Source

Entity 2 Entity 2 non-polymer

Entity 3 Entity 3 non-polymer

Entity 4 Entity 4 non-polymer

Entity 5 Entity 5 non-polymer

Entity 6 Entity 6 water

6. Fold Classification (SCOP + CATH) 24 domains

SCOP 2.08 (8 domains)

CATH v4.4 (16 domains)

7. Citations (1)