4fqf

Crystal structure of a thionitrate intermediate of human aldehyde dehydrogenase-2

Method: X-RAY DIFFRACTION Dmax: 110.8 Å Quality: EXCELLENT

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

Aldehyde dehydrogenase, mitochondrial

Homo sapiens

UniProt P05091

State in the Current Structure

Assembly Oligomeric State Construct Mutations and Modifications Ligands, Ions and Associated Components Method and Experimental Conditions Structure Quality
1 Protein homooligomer Homooligomer Protein × 4 PDB declaration: tetrameric(4) Consistent with protein copy count Chain A; UniProt 18–517 Chain B; UniProt 18–517 Chain C; UniProt 18–517 Chain D; UniProt 18–517 Fragment:unp residues 18-517 2NO NITROGEN DIOXIDE × 4 NAD NICOTINAMIDE-ADENINE-DINUCLEOTIDE × 4 MG MAGNESIUM ION × 4 URE UREA × 6 NA SODIUM ION × 4 X-RAY DIFFRACTION X-ray crystallization conditions:VAPOR DIFFUSION, SITTING DROP;pH 6.4;293 K;100 mM bis(2-hydroxyethyl)amino-tris(hydroxymethyl)methane (Bis-TRIS), 25% PEG 3350, 60 mM urea; 13.3 mM magnesium chloride, 8.9 mM tris(2-carboxyethyl)phosphine (TCEP), 4.4 mM NAD+, 45.8 mM glucose, crystals have been soaked with glyceryl trinitrate (GTN), pH 6.4, VAPOR DIFFUSION, SITTING DROP, temperature 293K Resolution 2.28 Å R-free 0.209

Other States of the Same Protein in the Database

Each row is a biological assembly of the same UniProt protein in another PDB entry. The “Difference from current entry” column identifies evidence-level differences; no tag means the currently parsed fields agree.

28 other PDB entries and 60 assemblies. Open the comparison page and filter oligomeric states

View Construct and Data Evidence
UniProt name ALDH2_HUMAN
Isoform
PDB entities 1
Chains and sequence ranges Author chain A; PDBConstruct 1–500; UniProt 18–517 Author chain B; PDBConstruct 1–500; UniProt 18–517 Author chain C; PDBConstruct 1–500; UniProt 18–517 Author chain D; PDBConstruct 1–500; UniProt 18–517

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.

SAXS scattering curve SAXS Profile

SAXS profile for 4fqf

P(r) Distance Distribution P(r) Distribution

P(r) distribution for 4fqf
Download Download

2. Structure Basics 2. Structure Basics

Entry ID entry_id4fqf
Deposition date deposition_date2012-06-25
Structure title titleCrystal structure of a thionitrate intermediate of human aldehyde dehydrogenase-2
Keywords keywordsRossmann Fold, oxidoreductase, aldehydes, esters, organic nitrates, NAD, oxidoreductase-intermediate complex; OXIDOREDUCTASE
Experimental Method methodX-RAY DIFFRACTION

3. SAXS Parameters (CRYSOL theoretical calculation) 3. SAXS Parameters (CRYSOL)

Radius of gyration Rg (Guinier) rg_guinier36.65
Radius of gyration Rg (electron density) rg_electron35.94
Forward intensity I(0) i0716254000.00
Molecular weight molecular_weight218260.0 kDa
Excluded volume excluded_volume272610 ų
Envelope volume envelope_volume319080 ų
Hydration-shell volume shell_volume69606 ų
Envelope diameter envelope_diameter114.2
Shell Rg shell_rg45.32
Envelope Rg envelope_rg35.98
Shape Rg shape_rg35.92
Total Rg total_rg36.51
Total atoms total_atoms15358
Residues n_residues1967
Spherical-harmonic order n_harmonics20
q range q_range— – 0.5000 −1
Data points n_points101
Shell type shell_typedirectional
Solvent electron density solvent_density0.3340 e/ų
Shell contrast contrast_shell0.0300 e/ų
CRYSOL version crysol_version4.1.3

4. P(r) Distance Distribution (GNOM inversion) 4. P(r) Analysis (GNOM)

Maximum dimension Dmax dmax110.8
Rg (real space) rg_real36.38
Rg uncertainty (real space) rg_real_error0.67
I(0) (real space) i0_real7.1630e+08
I(0) uncertainty (real space) i0_real_error1.0550e+07
Rg (reciprocal space) rg_reciprocal36.55
I(0) (reciprocal space) i0_reciprocal716400000.0000
Solution quality estimate total_estimate0.9022
Solution quality rating solution_quality EXCELLENT a EXCELLENT solution
P(r) peaks n_peaks0
Primary peak position r_peak_primary
Skewness Skewness skewness0.063
Kurtosis Kurtosis kurtosis-0.583
Angular range angular_range— – 0.2150 −1
Current regularization parameter α current_alpha0.0000
Highest regularization parameter α highest_alpha172400000.0000
Real-space data points n_real_points44
GNOM version gnom_version4.1.3
Quality Criteria quality_criteria AN1: 0.000; Oscil: 0.940; Stabil: 1.000; Sysdev: 1.000; Positv: 1.000; Valcen: 0.976; Smooth: 0.929

5. Crystallography and Experiment 5. Crystallography & Experiment

6. Entities and Polymers Entities & Polymers (7)

7. Fold Classification (SCOP + CATH) 12 domains

SCOP 2.08 (4 domains)

Domain ID domain_idd4fqfa_
Class classc — Alpha and beta proteins (a/b)
Fold Fold foldc.82 — ALDH-like
Superfamily Superfamily superfamilyc.82.1 — ALDH-like
Family Family familyc.82.1.1 — ALDH-like
Domain ID domain_idd4fqfb_
Class classc — Alpha and beta proteins (a/b)
Fold Fold foldc.82 — ALDH-like
Superfamily Superfamily superfamilyc.82.1 — ALDH-like
Family Family familyc.82.1.1 — ALDH-like
Domain ID domain_idd4fqfc_
Class classc — Alpha and beta proteins (a/b)
Fold Fold foldc.82 — ALDH-like
Superfamily Superfamily superfamilyc.82.1 — ALDH-like
Family Family familyc.82.1.1 — ALDH-like
Domain ID domain_idd4fqfd_
Class classc — Alpha and beta proteins (a/b)
Fold Fold foldc.82 — ALDH-like
Superfamily Superfamily superfamilyc.82.1 — ALDH-like
Family Family familyc.82.1.1 — ALDH-like

CATH v4.4 (8 domains)

Domain ID domain_id4fqfA01
Class class3 — Alpha Beta
Architecture architecture40 — 3-Layer(aba) Sandwich
Topology topology605 — Aldehyde Dehydrogenase; Chain A, domain 1
Homologous superfamily homologous superfamily10 — Aldehyde Dehydrogenase; Chain A, domain 1
Domain ID domain_id4fqfA02
Class class3 — Alpha Beta
Architecture architecture40 — 3-Layer(aba) Sandwich
Topology topology309 — Aldehyde Dehydrogenase; Chain A, domain 2
Homologous superfamily homologous superfamily10 — Aldehyde Dehydrogenase; Chain A, domain 2
Domain ID domain_id4fqfB01
Class class3 — Alpha Beta
Architecture architecture40 — 3-Layer(aba) Sandwich
Topology topology605 — Aldehyde Dehydrogenase; Chain A, domain 1
Homologous superfamily homologous superfamily10 — Aldehyde Dehydrogenase; Chain A, domain 1
Domain ID domain_id4fqfB02
Class class3 — Alpha Beta
Architecture architecture40 — 3-Layer(aba) Sandwich
Topology topology309 — Aldehyde Dehydrogenase; Chain A, domain 2
Homologous superfamily homologous superfamily10 — Aldehyde Dehydrogenase; Chain A, domain 2
Domain ID domain_id4fqfC01
Class class3 — Alpha Beta
Architecture architecture40 — 3-Layer(aba) Sandwich
Topology topology605 — Aldehyde Dehydrogenase; Chain A, domain 1
Homologous superfamily homologous superfamily10 — Aldehyde Dehydrogenase; Chain A, domain 1
Domain ID domain_id4fqfC02
Class class3 — Alpha Beta
Architecture architecture40 — 3-Layer(aba) Sandwich
Topology topology309 — Aldehyde Dehydrogenase; Chain A, domain 2
Homologous superfamily homologous superfamily10 — Aldehyde Dehydrogenase; Chain A, domain 2
Domain ID domain_id4fqfD01
Class class3 — Alpha Beta
Architecture architecture40 — 3-Layer(aba) Sandwich
Topology topology605 — Aldehyde Dehydrogenase; Chain A, domain 1
Homologous superfamily homologous superfamily10 — Aldehyde Dehydrogenase; Chain A, domain 1
Domain ID domain_id4fqfD02
Class class3 — Alpha Beta
Architecture architecture40 — 3-Layer(aba) Sandwich
Topology topology309 — Aldehyde Dehydrogenase; Chain A, domain 2
Homologous superfamily homologous superfamily10 — Aldehyde Dehydrogenase; Chain A, domain 2

8. Citations (1)

9. Files and Curves (10)