8g8w

Molecular mechanism of nucleotide inhibition of human uncoupling protein 1

Method: ELECTRON MICROSCOPY Dmax: 187.7 Å Quality: SUSPICIOUS

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

Mitochondrial brown fat uncoupling protein 1

Homo sapiens

UniProt P25874

State in the Current Structure

Assembly Oligomeric State Construct Mutations and Modifications Ligands, Ions and Associated Components Method and Experimental Conditions Structure Quality
1 Other combination Heteromer Protein × 3 其他Polymer 1 PDB declaration: trimeric(3) Consistent with protein copy count Chain A; UniProt 2–307 Not recorded Pro-macrobody 71, Maltose/maltodextrin-binding periplasmic protein chimera × 1 (P0AEX9) Pro-Macrobody 65, Maltose/maltodextrin-binding periplasmic protein chimera × 1 (P0AEX9) alpha-D-glucopyranose-(1-4)-alpha-D-glucopyranose × 1 GTP GUANOSINE-5'-TRIPHOSPHATE × 1 CDL CARDIOLIPIN × 3 ELECTRON MICROSCOPY cryo-EM buffer:pH 6 cryo-EM vitrification conditions:Cryogen ETHANE Resolution 3.80 Å

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.

7 other PDB entries and 7 assemblies. Open the comparison page and filter oligomeric states

View Construct and Data Evidence
UniProt name UCP1_HUMAN
Isoform
PDB entities 1
Chains and sequence ranges Author chain A; PDBConstruct 5–310; UniProt 2–307

Pro-macrobody 71, Maltose/maltodextrin-binding periplasmic protein chimera

Escherichia coli (strain K12)

UniProt P0AEX9

State in the Current Structure

Assembly Oligomeric State Construct Mutations and Modifications Ligands, Ions and Associated Components Method and Experimental Conditions Structure Quality
1 Other combination Heteromer Protein × 3 其他Polymer 1 PDB declaration: trimeric(3) Consistent with protein copy count Chain B; UniProt 33–392 Chain C; UniProt 33–392 Not recorded Mitochondrial brown fat uncoupling protein 1 × 1 (P25874) alpha-D-glucopyranose-(1-4)-alpha-D-glucopyranose × 1 GTP GUANOSINE-5'-TRIPHOSPHATE × 1 CDL CARDIOLIPIN × 3 ELECTRON MICROSCOPY cryo-EM buffer:pH 6 cryo-EM vitrification conditions:Cryogen ETHANE Resolution 3.80 Å

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.

366 other PDB entries and 491 assemblies. Open the comparison page and filter oligomeric states

View Construct and Data Evidence
UniProt name MALE_ECOLI
Isoform
PDB entities 2, 3
Chains and sequence ranges Author chain B; PDBConstruct 128–487; UniProt 33–392 Author chain C; PDBConstruct 132–491; UniProt 33–392

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 8g8w

P(r) Distance Distribution P(r) Distribution

P(r) distribution for 8g8w
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2. Structure Basics 2. Structure Basics

Entry ID entry_id8g8w
Deposition date deposition_date2023-02-20
Structure title titleMolecular mechanism of nucleotide inhibition of human uncoupling protein 1
Keywords keywordsSLC25, mitochondrial carrier, uncoupling, MEMBRANE PROTEIN; MEMBRANE PROTEIN
Experimental Method methodELECTRON MICROSCOPY

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

Radius of gyration Rg (Guinier) rg_guinier51.77
Radius of gyration Rg (electron density) rg_electron52.71
Forward intensity I(0) i0122792000.00
Molecular weight molecular_weight91512.0 kDa
Excluded volume excluded_volume114590 ų
Envelope volume envelope_volume186980 ų
Hydration-shell volume shell_volume33772 ų
Envelope diameter envelope_diameter194.1
Shell Rg shell_rg45.11
Envelope Rg envelope_rg54.33
Shape Rg shape_rg52.95
Total Rg total_rg51.51
Total atoms total_atoms6471
Residues n_residues902
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 dmax187.7
Rg (real space) rg_real52.59
Rg uncertainty (real space) rg_real_error2.47
I(0) (real space) i0_real1.2280e+08
I(0) uncertainty (real space) i0_real_error2.5270e+06
Rg (reciprocal space) rg_reciprocal51.09
I(0) (reciprocal space) i0_reciprocal122500000.0000
Solution quality estimate total_estimate0.4197
Solution quality rating solution_quality SUSPICIOUS a SUSPICIOUS solution
P(r) peaks n_peaks2
Primary peak position r_peak_primary25.0
Skewness Skewness skewness0.590
Kurtosis Kurtosis kurtosis-0.384
Angular range angular_range— – 0.1500 −1
Current regularization parameter α current_alpha0.0000
Highest regularization parameter α highest_alpha3732000.0000
Real-space data points n_real_points31
GNOM version gnom_version4.1.3
Quality Criteria quality_criteria AN1: 0.000; Oscil: 0.244; Stabil: 0.999; Sysdev: 0.062; Positv: 1.000; Valcen: 0.212; Smooth: 0.323

5. Crystallography and Experiment 5. Crystallography & Experiment

6. Entities and Polymers Entities & Polymers (6)

7. Fold Classification (SCOP + CATH) 3 domains

CATH v4.4 (3 domains)

Domain ID domain_id8g8wA01
Class class1 — Mainly Alpha
Architecture architecture50 — Alpha/alpha barrel
Topology topology40 — Mitochondrial carrier fold
Homologous superfamily homologous superfamily10 — Mitochondrial carrier domain
Domain ID domain_id8g8wB01
Class class2 — Mainly Beta
Architecture architecture60 — Sandwich
Topology topology40 — Immunoglobulin-like
Homologous superfamily homologous superfamily10 — Immunoglobulins
Domain ID domain_id8g8wC01
Class class2 — Mainly Beta
Architecture architecture60 — Sandwich
Topology topology40 — Immunoglobulin-like
Homologous superfamily homologous superfamily10 — Immunoglobulins

8. Citations (1)

9. Files and Curves (10)