3q37

Identification of Amino Acids that Account for Long-Range Interactions in Proteins Using Two Triosephosphate Isomerases from Pathogenic Trypanosomes.

Method: X-RAY DIFFRACTION Dmax: 103.9 Å Quality: GOOD

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

TIM from Trypanosoma cruzi/ TIM from Trypanosoma brucei brucei chimera protein

Trypanosoma cruzi

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 Insufficient information Homooligomer Protein × 2 PDB declaration: dimeric(2) Consistent with protein copy count Chain A; UniProt 2–35 Chain A; UniProt 92–119 Chain B; UniProt 2–35 Chain B; UniProt 92–119 Fragment:UNP P04789 residues 2-35 and 92-119, UNP P52270 residues 35-92 and 121-251 No other associated polymer X-RAY DIFFRACTION X-ray crystallization conditions:VAPOR DIFFUSION, SITTING DROP;pH 7;278 K;0.2 Sodium malonate, 20% PEG 3350, pH 7.0, VAPOR DIFFUSION, SITTING DROP, temperature 278K Resolution 1.65 Å R-free 0.220
2 Insufficient information Homooligomer Protein × 2 PDB declaration: dimeric(2) Consistent with protein copy count Chain C; UniProt 2–35 Chain C; UniProt 92–119 Chain D; UniProt 2–35 Chain D; UniProt 92–119 Fragment:UNP P04789 residues 2-35 and 92-119, UNP P52270 residues 35-92 and 121-251 No other associated polymer X-RAY DIFFRACTION X-ray crystallization conditions:VAPOR DIFFUSION, SITTING DROP;pH 7;278 K;0.2 Sodium malonate, 20% PEG 3350, pH 7.0, VAPOR DIFFUSION, SITTING DROP, temperature 278K Resolution 1.65 Å R-free 0.220

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 79 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 3–36; UniProt 2–35 Author chain A; PDBConstruct 93–120; UniProt 92–119 Author chain B; PDBConstruct 3–36; UniProt 2–35 Author chain B; PDBConstruct 93–120; UniProt 92–119 Author chain C; PDBConstruct 3–36; UniProt 2–35 Author chain C; PDBConstruct 93–120; UniProt 92–119 Author chain D; PDBConstruct 3–36; UniProt 2–35 Author chain D; PDBConstruct 93–120; UniProt 92–119

TIM from Trypanosoma cruzi/ TIM from Trypanosoma brucei brucei chimera protein

Trypanosoma cruzi

UniProt P52270

State in the Current Structure

Assembly Oligomeric State Construct Mutations and Modifications Ligands, Ions and Associated Components Method and Experimental Conditions Structure Quality
1 Insufficient information Homooligomer Protein × 2 PDB declaration: dimeric(2) Consistent with protein copy count Chain A; UniProt 35–90 Chain A; UniProt 121–251 Chain B; UniProt 35–90 Chain B; UniProt 121–251 Fragment:UNP P04789 residues 2-35 and 92-119, UNP P52270 residues 35-92 and 121-251 No other associated polymer X-RAY DIFFRACTION X-ray crystallization conditions:VAPOR DIFFUSION, SITTING DROP;pH 7;278 K;0.2 Sodium malonate, 20% PEG 3350, pH 7.0, VAPOR DIFFUSION, SITTING DROP, temperature 278K Resolution 1.65 Å R-free 0.220
2 Insufficient information Homooligomer Protein × 2 PDB declaration: dimeric(2) Consistent with protein copy count Chain C; UniProt 35–90 Chain C; UniProt 121–251 Chain D; UniProt 35–90 Chain D; UniProt 121–251 Fragment:UNP P04789 residues 2-35 and 92-119, UNP P52270 residues 35-92 and 121-251 No other associated polymer X-RAY DIFFRACTION X-ray crystallization conditions:VAPOR DIFFUSION, SITTING DROP;pH 7;278 K;0.2 Sodium malonate, 20% PEG 3350, pH 7.0, VAPOR DIFFUSION, SITTING DROP, temperature 278K Resolution 1.65 Å R-free 0.220

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.

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

View Construct and Data Evidence
UniProt name TPIS_TRYCR
Isoform
PDB entities 1
Chains and sequence ranges Author chain A; PDBConstruct 37–92; UniProt 35–90 Author chain A; PDBConstruct 121–251; UniProt 121–251 Author chain B; PDBConstruct 37–92; UniProt 35–90 Author chain B; PDBConstruct 121–251; UniProt 121–251 Author chain C; PDBConstruct 37–92; UniProt 35–90 Author chain C; PDBConstruct 121–251; UniProt 121–251 Author chain D; PDBConstruct 37–92; UniProt 35–90 Author chain D; PDBConstruct 121–251; UniProt 121–251

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 3q37

P(r) Distance Distribution P(r) Distribution

P(r) distribution for 3q37
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2. Structure Basics 2. Structure Basics

Entry ID entry_id3q37
Deposition date deposition_date2010-12-21
Structure title titleIdentification of Amino Acids that Account for Long-Range Interactions in Proteins Using Two Triosephosphate Isomerases from Pathogenic Trypanosomes.
Keywords keywordsTIM barrel, ISOMERASE; ISOMERASE
Experimental Method methodX-RAY DIFFRACTION

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

Radius of gyration Rg (Guinier) rg_guinier33.51
Radius of gyration Rg (electron density) rg_electron32.60
Forward intensity I(0) i0175267000.00
Molecular weight molecular_weight106940.0 kDa
Excluded volume excluded_volume134500 ų
Envelope volume envelope_volume167340 ų
Hydration-shell volume shell_volume42110 ų
Envelope diameter envelope_diameter109.9
Shell Rg shell_rg40.08
Envelope Rg envelope_rg32.08
Shape Rg shape_rg32.59
Total Rg total_rg33.24
Total atoms total_atoms7540
Residues n_residues981
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 dmax103.9
Rg (real space) rg_real33.41
Rg uncertainty (real space) rg_real_error0.87
I(0) (real space) i0_real1.7530e+08
I(0) uncertainty (real space) i0_real_error3.1360e+06
Rg (reciprocal space) rg_reciprocal33.47
I(0) (reciprocal space) i0_reciprocal175300000.0000
Solution quality estimate total_estimate0.8955
Solution quality rating solution_quality GOOD a GOOD solution
P(r) peaks n_peaks1
Primary peak position r_peak_primary48.6
Skewness Skewness skewness0.180
Kurtosis Kurtosis kurtosis-0.519
Angular range angular_range— – 0.2350 −1
Current regularization parameter α current_alpha0.0000
Highest regularization parameter α highest_alpha65270000.0000
Real-space data points n_real_points48
GNOM version gnom_version4.1.3
Quality Criteria quality_criteria AN1: 0.000; Oscil: 0.946; Stabil: 0.999; Sysdev: 1.000; Positv: 1.000; Valcen: 0.999; Smooth: 0.803

5. Crystallography and Experiment 5. Crystallography & Experiment

6. Entities and Polymers Entities & Polymers (2)

7. Fold Classification (SCOP + CATH) 8 domains

SCOP 2.08 (4 domains)

Domain ID domain_idd3q37a_
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_idd3q37b_
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_idd3q37c_
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_idd3q37d_
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 (4 domains)

Domain ID domain_id3q37A00
Class class3 — Alpha Beta
Architecture architecture20 — Alpha-Beta Barrel
Topology topology20 — TIM Barrel
Homologous superfamily homologous superfamily70 — Aldolase class I
Domain ID domain_id3q37B00
Class class3 — Alpha Beta
Architecture architecture20 — Alpha-Beta Barrel
Topology topology20 — TIM Barrel
Homologous superfamily homologous superfamily70 — Aldolase class I
Domain ID domain_id3q37C00
Class class3 — Alpha Beta
Architecture architecture20 — Alpha-Beta Barrel
Topology topology20 — TIM Barrel
Homologous superfamily homologous superfamily70 — Aldolase class I
Domain ID domain_id3q37D00
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)