2v0t

The A178L mutation in the C-terminal hinge of the flexible loop-6 of triosephosphate isomerase (TIM) induces a more closed conformation of this hinge region in dimeric and monomeric TIM

Method: X-RAY DIFFRACTION Dmax: 144.0 Å Quality: GOOD

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

TRIOSEPHOSPHATE ISOMERASE GLYCOSOMAL

TRYPANOSOMA BRUCEI BRUCEI

UniProt P04789

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 × 2 PDB declaration: dimeric(2) Consistent with protein copy count Chain A; UniProt 1–250 Chain B; UniProt 1–250 Mutation:YES SO4 SULFATE ION × 3 X-RAY DIFFRACTION X-ray crystallization conditions:pH 7.5;0.1 M HEPES PH 7.5, 8% ETHYLENE GLYCOL AND 10% PEG8000 Resolution 2.20 Å R-free 0.238
2 Protein homooligomer Homooligomer Protein × 2 PDB declaration: dimeric(2) Consistent with protein copy count Chain C; UniProt 1–250 Chain E; UniProt 1–250 Mutation:YES SO4 SULFATE ION × 3 EPE 4-(2-HYDROXYETHYL)-1-PIPERAZINE ETHANESULFONIC ACID × 1 X-RAY DIFFRACTION X-ray crystallization conditions:pH 7.5;0.1 M HEPES PH 7.5, 8% ETHYLENE GLYCOL AND 10% PEG8000 Resolution 2.20 Å R-free 0.238
3 Protein homooligomer Homooligomer Protein × 2 PDB declaration: dimeric(2) Consistent with protein copy count Chain D; UniProt 1–250 Chain F; UniProt 1–250 Mutation:YES SO4 SULFATE ION × 2 EPE 4-(2-HYDROXYETHYL)-1-PIPERAZINE ETHANESULFONIC ACID × 1 X-RAY DIFFRACTION X-ray crystallization conditions:pH 7.5;0.1 M HEPES PH 7.5, 8% ETHYLENE GLYCOL AND 10% PEG8000 Resolution 2.20 Å R-free 0.238
4 Protein homooligomer Homooligomer Protein × 2 PDB declaration: dimeric(2) Consistent with protein copy count Chain G; UniProt 1–250 Chain H; UniProt 1–250 Mutation:YES SO4 SULFATE ION × 2 X-RAY DIFFRACTION X-ray crystallization conditions:pH 7.5;0.1 M HEPES PH 7.5, 8% ETHYLENE GLYCOL AND 10% PEG8000 Resolution 2.20 Å R-free 0.238

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.

48 other PDB entries and 77 assemblies. Open the comparison page and filter oligomeric states

View Construct and Data Evidence
UniProt name TPIS_TRYBB
Isoform
PDB entities 1
Chains and sequence ranges Author chain A; PDBConstruct 1–250; UniProt 1–250 Author chain B; PDBConstruct 1–250; UniProt 1–250 Author chain C; PDBConstruct 1–250; UniProt 1–250 Author chain D; PDBConstruct 1–250; UniProt 1–250 Author chain E; PDBConstruct 1–250; UniProt 1–250 Author chain F; PDBConstruct 1–250; UniProt 1–250 Author chain G; PDBConstruct 1–250; UniProt 1–250 Author chain H; PDBConstruct 1–250; UniProt 1–250

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 2v0t

P(r) Distance Distribution P(r) Distribution

P(r) distribution for 2v0t
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2. Structure Basics 2. Structure Basics

Entry ID entry_id2v0t
Deposition date deposition_date2007-05-18
Structure title titleThe A178L mutation in the C-terminal hinge of the flexible loop-6 of triosephosphate isomerase (TIM) induces a more closed conformation of this hinge region in dimeric and monomeric TIM
Keywords keywordsISOMERASE, SOMERASE, TIM-BARREL; ISOMERASE
Experimental Method methodX-RAY DIFFRACTION

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

Radius of gyration Rg (Guinier) rg_guinier45.04
Radius of gyration Rg (electron density) rg_electron44.54
Forward intensity I(0) i0643437000.00
Molecular weight molecular_weight212560.0 kDa
Excluded volume excluded_volume267790 ų
Envelope volume envelope_volume361180 ų
Hydration-shell volume shell_volume67856 ų
Envelope diameter envelope_diameter152.3
Shell Rg shell_rg49.51
Envelope Rg envelope_rg43.25
Shape Rg shape_rg44.53
Total Rg total_rg44.79
Total atoms total_atoms14966
Residues n_residues1960
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 dmax144.0
Rg (real space) rg_real44.93
Rg uncertainty (real space) rg_real_error1.16
I(0) (real space) i0_real6.4340e+08
I(0) uncertainty (real space) i0_real_error1.0240e+07
Rg (reciprocal space) rg_reciprocal45.04
I(0) (reciprocal space) i0_reciprocal643500000.0000
Solution quality estimate total_estimate0.8910
Solution quality rating solution_quality GOOD a GOOD solution
P(r) peaks n_peaks1
Primary peak position r_peak_primary57.6
Skewness Skewness skewness0.201
Kurtosis Kurtosis kurtosis-0.413
Angular range angular_range— – 0.1750 −1
Current regularization parameter α current_alpha0.0000
Highest regularization parameter α highest_alpha34930000.0000
Real-space data points n_real_points36
GNOM version gnom_version4.1.3
Quality Criteria quality_criteria AN1: 0.000; Oscil: 0.924; Stabil: 1.000; Sysdev: 1.000; Positv: 1.000; Valcen: 1.000; Smooth: 0.806

5. Crystallography and Experiment 5. Crystallography & Experiment

6. Entities and Polymers Entities & Polymers (4)

7. Fold Classification (SCOP + CATH) 16 domains

SCOP 2.08 (8 domains)

Domain ID domain_idd2v0ta_
Class classc — Alpha and beta proteins (a/b)
Fold Fold foldc.1 — TIM beta/alpha-barrel
Superfamily Superfamily superfamilyc.1.1 — Triosephosphate isomerase (TIM)
Family Family familyc.1.1.1 — Triosephosphate isomerase (TIM)
Domain ID domain_idd2v0tb_
Class classc — Alpha and beta proteins (a/b)
Fold Fold foldc.1 — TIM beta/alpha-barrel
Superfamily Superfamily superfamilyc.1.1 — Triosephosphate isomerase (TIM)
Family Family familyc.1.1.1 — Triosephosphate isomerase (TIM)
Domain ID domain_idd2v0tc_
Class classc — Alpha and beta proteins (a/b)
Fold Fold foldc.1 — TIM beta/alpha-barrel
Superfamily Superfamily superfamilyc.1.1 — Triosephosphate isomerase (TIM)
Family Family familyc.1.1.1 — Triosephosphate isomerase (TIM)
Domain ID domain_idd2v0td_
Class classc — Alpha and beta proteins (a/b)
Fold Fold foldc.1 — TIM beta/alpha-barrel
Superfamily Superfamily superfamilyc.1.1 — Triosephosphate isomerase (TIM)
Family Family familyc.1.1.1 — Triosephosphate isomerase (TIM)
Domain ID domain_idd2v0te_
Class classc — Alpha and beta proteins (a/b)
Fold Fold foldc.1 — TIM beta/alpha-barrel
Superfamily Superfamily superfamilyc.1.1 — Triosephosphate isomerase (TIM)
Family Family familyc.1.1.1 — Triosephosphate isomerase (TIM)
Domain ID domain_idd2v0tf_
Class classc — Alpha and beta proteins (a/b)
Fold Fold foldc.1 — TIM beta/alpha-barrel
Superfamily Superfamily superfamilyc.1.1 — Triosephosphate isomerase (TIM)
Family Family familyc.1.1.1 — Triosephosphate isomerase (TIM)
Domain ID domain_idd2v0tg_
Class classc — Alpha and beta proteins (a/b)
Fold Fold foldc.1 — TIM beta/alpha-barrel
Superfamily Superfamily superfamilyc.1.1 — Triosephosphate isomerase (TIM)
Family Family familyc.1.1.1 — Triosephosphate isomerase (TIM)
Domain ID domain_idd2v0th_
Class classc — Alpha and beta proteins (a/b)
Fold Fold foldc.1 — TIM beta/alpha-barrel
Superfamily Superfamily superfamilyc.1.1 — Triosephosphate isomerase (TIM)
Family Family familyc.1.1.1 — Triosephosphate isomerase (TIM)

CATH v4.4 (8 domains)

Domain ID domain_id2v0tA00
Class class3 — Alpha Beta
Architecture architecture20 — Alpha-Beta Barrel
Topology topology20 — TIM Barrel
Homologous superfamily homologous superfamily70 — Aldolase class I
Domain ID domain_id2v0tB00
Class class3 — Alpha Beta
Architecture architecture20 — Alpha-Beta Barrel
Topology topology20 — TIM Barrel
Homologous superfamily homologous superfamily70 — Aldolase class I
Domain ID domain_id2v0tC00
Class class3 — Alpha Beta
Architecture architecture20 — Alpha-Beta Barrel
Topology topology20 — TIM Barrel
Homologous superfamily homologous superfamily70 — Aldolase class I
Domain ID domain_id2v0tD00
Class class3 — Alpha Beta
Architecture architecture20 — Alpha-Beta Barrel
Topology topology20 — TIM Barrel
Homologous superfamily homologous superfamily70 — Aldolase class I
Domain ID domain_id2v0tE00
Class class3 — Alpha Beta
Architecture architecture20 — Alpha-Beta Barrel
Topology topology20 — TIM Barrel
Homologous superfamily homologous superfamily70 — Aldolase class I
Domain ID domain_id2v0tF00
Class class3 — Alpha Beta
Architecture architecture20 — Alpha-Beta Barrel
Topology topology20 — TIM Barrel
Homologous superfamily homologous superfamily70 — Aldolase class I
Domain ID domain_id2v0tG00
Class class3 — Alpha Beta
Architecture architecture20 — Alpha-Beta Barrel
Topology topology20 — TIM Barrel
Homologous superfamily homologous superfamily70 — Aldolase class I
Domain ID domain_id2v0tH00
Class class3 — Alpha Beta
Architecture architecture20 — Alpha-Beta Barrel
Topology topology20 — TIM Barrel
Homologous superfamily homologous superfamily70 — Aldolase class I

8. Citations (1)

9. Files and Curves (10)