1w85

The crystal structure of pyruvate dehydrogenase E1 bound to the peripheral subunit binding domain of E2

Method: X-RAY DIFFRACTION Dmax: 469.0 Å Quality: REASONABLE

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

PYRUVATE DEHYDROGENASE E1 COMPONENT, ALPHA SUBUNIT

GEOBACILLUS STEAROTHERMOPHILUS

UniProt P21873

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 heterocomplex Heteromer Protein × 5 PDB declaration: pentameric(5) Consistent with protein copy count Chain A; UniProt 1–368 Chain C; UniProt 1–368 Not recorded PYRUVATE DEHYDROGENASE E1 COMPONENT, BETA SUBUNIT × 2 (P21874) DIHYDROLIPOYLLYSINE-RESIDUE ACETYLTRANSFERASE COMPONENT OF PYRUVATE × 1 (P11961) MG MAGNESIUM ION × 3 PEG DI(HYDROXYETHYL)ETHER × 2 TPP THIAMINE DIPHOSPHATE × 2 K POTASSIUM ION × 2 X-RAY DIFFRACTION X-ray crystallization conditions:VAPOR DIFFUSION, SITTING DROP;pH 5;293 K;10% PEG 5500 MONOMETHYL ETHER, 0.2M IMIDAZOLE MALATE PH5. 20DEG C, SITTING-DROP., pH 5.00 Resolution 2.00 Å R-free 0.215
2 Protein heterocomplex Heteromer Protein × 5 PDB declaration: pentameric(5) Consistent with protein copy count Chain E; UniProt 1–368 Chain G; UniProt 1–368 Not recorded PYRUVATE DEHYDROGENASE E1 COMPONENT, BETA SUBUNIT × 2 (P21874) DIHYDROLIPOYLLYSINE-RESIDUE ACETYLTRANSFERASE COMPONENT OF PYRUVATE × 1 (P11961) MG MAGNESIUM ION × 3 PEG DI(HYDROXYETHYL)ETHER × 1 TPP THIAMINE DIPHOSPHATE × 2 K POTASSIUM ION × 2 X-RAY DIFFRACTION X-ray crystallization conditions:VAPOR DIFFUSION, SITTING DROP;pH 5;293 K;10% PEG 5500 MONOMETHYL ETHER, 0.2M IMIDAZOLE MALATE PH5. 20DEG C, SITTING-DROP., pH 5.00 Resolution 2.00 Å R-free 0.215

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.

4 other PDB entries and 8 assemblies. Open the comparison page and filter oligomeric states

View Construct and Data Evidence
UniProt name ODPA_BACST
Isoform
PDB entities 1
Chains and sequence ranges Author chain A; PDBConstruct 1–368; UniProt 1–368 Author chain C; PDBConstruct 1–368; UniProt 1–368 Author chain E; PDBConstruct 1–368; UniProt 1–368 Author chain G; PDBConstruct 1–368; UniProt 1–368

PYRUVATE DEHYDROGENASE E1 COMPONENT, BETA SUBUNIT

GEOBACILLUS STEAROTHERMOPHILUS

UniProt P21874

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 heterocomplex Heteromer Protein × 5 PDB declaration: pentameric(5) Consistent with protein copy count Chain B; UniProt 1–324 Chain D; UniProt 1–324 Not recorded PYRUVATE DEHYDROGENASE E1 COMPONENT, ALPHA SUBUNIT × 2 (P21873) DIHYDROLIPOYLLYSINE-RESIDUE ACETYLTRANSFERASE COMPONENT OF PYRUVATE × 1 (P11961) MG MAGNESIUM ION × 3 PEG DI(HYDROXYETHYL)ETHER × 2 TPP THIAMINE DIPHOSPHATE × 2 K POTASSIUM ION × 2 X-RAY DIFFRACTION X-ray crystallization conditions:VAPOR DIFFUSION, SITTING DROP;pH 5;293 K;10% PEG 5500 MONOMETHYL ETHER, 0.2M IMIDAZOLE MALATE PH5. 20DEG C, SITTING-DROP., pH 5.00 Resolution 2.00 Å R-free 0.215
2 Protein heterocomplex Heteromer Protein × 5 PDB declaration: pentameric(5) Consistent with protein copy count Chain F; UniProt 1–324 Chain H; UniProt 1–324 Not recorded PYRUVATE DEHYDROGENASE E1 COMPONENT, ALPHA SUBUNIT × 2 (P21873) DIHYDROLIPOYLLYSINE-RESIDUE ACETYLTRANSFERASE COMPONENT OF PYRUVATE × 1 (P11961) MG MAGNESIUM ION × 3 PEG DI(HYDROXYETHYL)ETHER × 1 TPP THIAMINE DIPHOSPHATE × 2 K POTASSIUM ION × 2 X-RAY DIFFRACTION X-ray crystallization conditions:VAPOR DIFFUSION, SITTING DROP;pH 5;293 K;10% PEG 5500 MONOMETHYL ETHER, 0.2M IMIDAZOLE MALATE PH5. 20DEG C, SITTING-DROP., pH 5.00 Resolution 2.00 Å R-free 0.215

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.

4 other PDB entries and 8 assemblies. Open the comparison page and filter oligomeric states

View Construct and Data Evidence
UniProt name ODPB_BACST
Isoform
PDB entities 2
Chains and sequence ranges Author chain B; PDBConstruct 1–324; UniProt 1–324 Author chain D; PDBConstruct 1–324; UniProt 1–324 Author chain F; PDBConstruct 1–324; UniProt 1–324 Author chain H; PDBConstruct 1–324; UniProt 1–324

DIHYDROLIPOYLLYSINE-RESIDUE ACETYLTRANSFERASE COMPONENT OF PYRUVATE

GEOBACILLUS STEAROTHERMOPHILUS

UniProt P11961

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 heterocomplex Heteromer Protein × 5 PDB declaration: pentameric(5) Consistent with protein copy count Chain I; UniProt 122–170 Fragment:PERIPHERAL SUBUNIT BINDING DOMAIN (PSBD), RESIDUES 122-170 PYRUVATE DEHYDROGENASE E1 COMPONENT, ALPHA SUBUNIT × 2 (P21873) PYRUVATE DEHYDROGENASE E1 COMPONENT, BETA SUBUNIT × 2 (P21874) MG MAGNESIUM ION × 3 PEG DI(HYDROXYETHYL)ETHER × 2 TPP THIAMINE DIPHOSPHATE × 2 K POTASSIUM ION × 2 X-RAY DIFFRACTION X-ray crystallization conditions:VAPOR DIFFUSION, SITTING DROP;pH 5;293 K;10% PEG 5500 MONOMETHYL ETHER, 0.2M IMIDAZOLE MALATE PH5. 20DEG C, SITTING-DROP., pH 5.00 Resolution 2.00 Å R-free 0.215
2 Protein heterocomplex Heteromer Protein × 5 PDB declaration: pentameric(5) Consistent with protein copy count Chain J; UniProt 122–170 Fragment:PERIPHERAL SUBUNIT BINDING DOMAIN (PSBD), RESIDUES 122-170 PYRUVATE DEHYDROGENASE E1 COMPONENT, ALPHA SUBUNIT × 2 (P21873) PYRUVATE DEHYDROGENASE E1 COMPONENT, BETA SUBUNIT × 2 (P21874) MG MAGNESIUM ION × 3 PEG DI(HYDROXYETHYL)ETHER × 1 TPP THIAMINE DIPHOSPHATE × 2 K POTASSIUM ION × 2 X-RAY DIFFRACTION X-ray crystallization conditions:VAPOR DIFFUSION, SITTING DROP;pH 5;293 K;10% PEG 5500 MONOMETHYL ETHER, 0.2M IMIDAZOLE MALATE PH5. 20DEG C, SITTING-DROP., pH 5.00 Resolution 2.00 Å R-free 0.215

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.

16 other PDB entries and 20 assemblies. Open the comparison page and filter oligomeric states

View Construct and Data Evidence
UniProt name ODP2_BACST
Isoform
PDB entities 3
Chains and sequence ranges Author chain I; PDBConstruct 1–49; UniProt 122–170 Author chain J; PDBConstruct 1–49; UniProt 122–170

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 1w85

P(r) Distance Distribution P(r) Distribution

P(r) distribution for 1w85
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2. Structure Basics 2. Structure Basics

Entry ID entry_id1w85
Deposition date deposition_date2004-09-16
Structure title titleThe crystal structure of pyruvate dehydrogenase E1 bound to the peripheral subunit binding domain of E2
Keywords keywordsPYRUVATE, DEHYDROGENASE, DIHYDROLIPOYL, ACETYL TRANSFERASE, MULTIENZYME COMPLEX, OXIDOREDUCTASE, TRANSFERASE; OXIDOREDUCTASE
Experimental Method methodX-RAY DIFFRACTION

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

Radius of gyration Rg (Guinier) rg_guinier99.61
Radius of gyration Rg (electron density) rg_electron101.10
Forward intensity I(0) i01252060000.00
Molecular weight molecular_weight308970.0 kDa
Excluded volume excluded_volume388990 ų
Envelope volume envelope_volume706030 ų
Hydration-shell volume shell_volume56450 ų
Envelope diameter envelope_diameter270.8
Shell Rg shell_rg115.70
Envelope Rg envelope_rg90.98
Shape Rg shape_rg101.10
Total Rg total_rg101.10
Total atoms total_atoms21776
Residues n_residues2811
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 dmax469.0
Rg (real space) rg_real101.30
Rg uncertainty (real space) rg_real_error16.27
I(0) (real space) i0_real1.2520e+09
I(0) uncertainty (real space) i0_real_error4.5430e+07
Rg (reciprocal space) rg_reciprocal88.19
I(0) (reciprocal space) i0_reciprocal1205000000.0000
Solution quality estimate total_estimate0.5389
Solution quality rating solution_quality REASONABLE a REASONABLE solution
P(r) peaks n_peaks5
Primary peak position r_peak_primary29.3
Skewness Skewness skewness0.058
Kurtosis Kurtosis kurtosis-1.777
Angular range angular_range— – 0.0800 −1
Current regularization parameter α current_alpha0.0000
Highest regularization parameter α highest_alpha11930000.0000
Real-space data points n_real_points17
GNOM version gnom_version4.1.3
Quality Criteria quality_criteria AN1: 0.000; Oscil: 0.000; Stabil: 1.000; Sysdev: 1.000; Positv: 1.000; Valcen: 0.002; Smooth: 0.000

5. Crystallography and Experiment 5. Crystallography & Experiment

6. Entities and Polymers Entities & Polymers (8)

7. Fold Classification (SCOP + CATH) 27 domains

SCOP 2.08 (14 domains)

Domain ID domain_idd1w85a_
Class classc — Alpha and beta proteins (a/b)
Fold Fold foldc.36 — Thiamin diphosphate-binding fold (THDP-binding)
Superfamily Superfamily superfamilyc.36.1 — Thiamin diphosphate-binding fold (THDP-binding)
Family Family familyc.36.1.11 — Branched-chain alpha-keto acid dehydrogenase PP module
Domain ID domain_idd1w85b1
Class classc — Alpha and beta proteins (a/b)
Fold Fold foldc.36 — Thiamin diphosphate-binding fold (THDP-binding)
Superfamily Superfamily superfamilyc.36.1 — Thiamin diphosphate-binding fold (THDP-binding)
Family Family familyc.36.1.7 — Branched-chain alpha-keto acid dehydrogenase Pyr module
Domain ID domain_idd1w85b2
Class classc — Alpha and beta proteins (a/b)
Fold Fold foldc.48 — TK C-terminal domain-like
Superfamily Superfamily superfamilyc.48.1 — TK C-terminal domain-like
Family Family familyc.48.1.2 — Branched-chain alpha-keto acid dehydrogenase beta-subunit, C-terminal-domain
Domain ID domain_idd1w85c_
Class classc — Alpha and beta proteins (a/b)
Fold Fold foldc.36 — Thiamin diphosphate-binding fold (THDP-binding)
Superfamily Superfamily superfamilyc.36.1 — Thiamin diphosphate-binding fold (THDP-binding)
Family Family familyc.36.1.11 — Branched-chain alpha-keto acid dehydrogenase PP module
Domain ID domain_idd1w85d1
Class classc — Alpha and beta proteins (a/b)
Fold Fold foldc.36 — Thiamin diphosphate-binding fold (THDP-binding)
Superfamily Superfamily superfamilyc.36.1 — Thiamin diphosphate-binding fold (THDP-binding)
Family Family familyc.36.1.7 — Branched-chain alpha-keto acid dehydrogenase Pyr module
Domain ID domain_idd1w85d2
Class classc — Alpha and beta proteins (a/b)
Fold Fold foldc.48 — TK C-terminal domain-like
Superfamily Superfamily superfamilyc.48.1 — TK C-terminal domain-like
Family Family familyc.48.1.2 — Branched-chain alpha-keto acid dehydrogenase beta-subunit, C-terminal-domain
Domain ID domain_idd1w85e_
Class classc — Alpha and beta proteins (a/b)
Fold Fold foldc.36 — Thiamin diphosphate-binding fold (THDP-binding)
Superfamily Superfamily superfamilyc.36.1 — Thiamin diphosphate-binding fold (THDP-binding)
Family Family familyc.36.1.11 — Branched-chain alpha-keto acid dehydrogenase PP module
Domain ID domain_idd1w85f1
Class classc — Alpha and beta proteins (a/b)
Fold Fold foldc.36 — Thiamin diphosphate-binding fold (THDP-binding)
Superfamily Superfamily superfamilyc.36.1 — Thiamin diphosphate-binding fold (THDP-binding)
Family Family familyc.36.1.7 — Branched-chain alpha-keto acid dehydrogenase Pyr module
Domain ID domain_idd1w85f2
Class classc — Alpha and beta proteins (a/b)
Fold Fold foldc.48 — TK C-terminal domain-like
Superfamily Superfamily superfamilyc.48.1 — TK C-terminal domain-like
Family Family familyc.48.1.2 — Branched-chain alpha-keto acid dehydrogenase beta-subunit, C-terminal-domain
Domain ID domain_idd1w85g_
Class classc — Alpha and beta proteins (a/b)
Fold Fold foldc.36 — Thiamin diphosphate-binding fold (THDP-binding)
Superfamily Superfamily superfamilyc.36.1 — Thiamin diphosphate-binding fold (THDP-binding)
Family Family familyc.36.1.11 — Branched-chain alpha-keto acid dehydrogenase PP module
Domain ID domain_idd1w85h1
Class classc — Alpha and beta proteins (a/b)
Fold Fold foldc.36 — Thiamin diphosphate-binding fold (THDP-binding)
Superfamily Superfamily superfamilyc.36.1 — Thiamin diphosphate-binding fold (THDP-binding)
Family Family familyc.36.1.7 — Branched-chain alpha-keto acid dehydrogenase Pyr module
Domain ID domain_idd1w85h2
Class classc — Alpha and beta proteins (a/b)
Fold Fold foldc.48 — TK C-terminal domain-like
Superfamily Superfamily superfamilyc.48.1 — TK C-terminal domain-like
Family Family familyc.48.1.2 — Branched-chain alpha-keto acid dehydrogenase beta-subunit, C-terminal-domain
Domain ID domain_idd1w85i_
Class classa — All alpha proteins
Fold Fold folda.9 — Peripheral subunit-binding domain of 2-oxo acid dehydrogenase complex
Superfamily Superfamily superfamilya.9.1 — Peripheral subunit-binding domain of 2-oxo acid dehydrogenase complex
Family Family familya.9.1.1 — Peripheral subunit-binding domain of 2-oxo acid dehydrogenase complex
Domain ID domain_idd1w85j_
Class classa — All alpha proteins
Fold Fold folda.9 — Peripheral subunit-binding domain of 2-oxo acid dehydrogenase complex
Superfamily Superfamily superfamilya.9.1 — Peripheral subunit-binding domain of 2-oxo acid dehydrogenase complex
Family Family familya.9.1.1 — Peripheral subunit-binding domain of 2-oxo acid dehydrogenase complex

CATH v4.4 (13 domains)

Domain ID domain_id1w85A00
Class class3 — Alpha Beta
Architecture architecture40 — 3-Layer(aba) Sandwich
Topology topology50 — Rossmann fold
Homologous superfamily homologous superfamily970 — Thiamin diphosphate (ThDP)-binding fold, Pyr/PP domains
Domain ID domain_id1w85B01
Class class3 — Alpha Beta
Architecture architecture40 — 3-Layer(aba) Sandwich
Topology topology50 — Rossmann fold
Homologous superfamily homologous superfamily970 — Thiamin diphosphate (ThDP)-binding fold, Pyr/PP domains
Domain ID domain_id1w85B02
Class class3 — Alpha Beta
Architecture architecture40 — 3-Layer(aba) Sandwich
Topology topology50 — Rossmann fold
Homologous superfamily homologous superfamily920
Domain ID domain_id1w85C00
Class class3 — Alpha Beta
Architecture architecture40 — 3-Layer(aba) Sandwich
Topology topology50 — Rossmann fold
Homologous superfamily homologous superfamily970 — Thiamin diphosphate (ThDP)-binding fold, Pyr/PP domains
Domain ID domain_id1w85D01
Class class3 — Alpha Beta
Architecture architecture40 — 3-Layer(aba) Sandwich
Topology topology50 — Rossmann fold
Homologous superfamily homologous superfamily970 — Thiamin diphosphate (ThDP)-binding fold, Pyr/PP domains
Domain ID domain_id1w85D02
Class class3 — Alpha Beta
Architecture architecture40 — 3-Layer(aba) Sandwich
Topology topology50 — Rossmann fold
Homologous superfamily homologous superfamily920
Domain ID domain_id1w85E00
Class class3 — Alpha Beta
Architecture architecture40 — 3-Layer(aba) Sandwich
Topology topology50 — Rossmann fold
Homologous superfamily homologous superfamily970 — Thiamin diphosphate (ThDP)-binding fold, Pyr/PP domains
Domain ID domain_id1w85F01
Class class3 — Alpha Beta
Architecture architecture40 — 3-Layer(aba) Sandwich
Topology topology50 — Rossmann fold
Homologous superfamily homologous superfamily970 — Thiamin diphosphate (ThDP)-binding fold, Pyr/PP domains
Domain ID domain_id1w85F02
Class class3 — Alpha Beta
Architecture architecture40 — 3-Layer(aba) Sandwich
Topology topology50 — Rossmann fold
Homologous superfamily homologous superfamily920
Domain ID domain_id1w85G00
Class class3 — Alpha Beta
Architecture architecture40 — 3-Layer(aba) Sandwich
Topology topology50 — Rossmann fold
Homologous superfamily homologous superfamily970 — Thiamin diphosphate (ThDP)-binding fold, Pyr/PP domains
Domain ID domain_id1w85H01
Class class3 — Alpha Beta
Architecture architecture40 — 3-Layer(aba) Sandwich
Topology topology50 — Rossmann fold
Homologous superfamily homologous superfamily970 — Thiamin diphosphate (ThDP)-binding fold, Pyr/PP domains
Domain ID domain_id1w85H02
Class class3 — Alpha Beta
Architecture architecture40 — 3-Layer(aba) Sandwich
Topology topology50 — Rossmann fold
Homologous superfamily homologous superfamily920
Domain ID domain_id1w85I00
Class class4 — Few Secondary Structures
Architecture architecture10 — Irregular
Topology topology320 — Dihydrolipoamide Transferase
Homologous superfamily homologous superfamily10 — E3-binding domain

8. Citations (2)

9. Files and Curves (10)