1tti

THREE NEW CRYSTAL STRUCTURES OF POINT MUTATION VARIANTS OF MONOTIM: CONFORMATIONAL FLEXIBILITY OF LOOP-1,LOOP-4 AND LOOP-8

Method: X-RAY DIFFRACTION Dmax: 52.9 Å Quality: EXCELLENT

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

TRIOSEPHOSPHATE ISOMERASE

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 monomer Monomer Protein × 1 PDB declaration: monomeric(1) Consistent with protein copy count Chain A; UniProt 1–250 Mutation:I68G, A69N, K70A, S71D, DEL(73-79), P81A, A100W PGA 2-PHOSPHOGLYCOLIC ACID × 1 X-RAY DIFFRACTION mmCIF provides none of the parsed experimental conditions Resolution 2.40 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.

48 other PDB entries and 80 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 1–243; 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 1tti

P(r) Distance Distribution P(r) Distribution

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

Entry ID entry_id1tti
Deposition date deposition_date1995-04-19
Structure title titleTHREE NEW CRYSTAL STRUCTURES OF POINT MUTATION VARIANTS OF MONOTIM: CONFORMATIONAL FLEXIBILITY OF LOOP-1,LOOP-4 AND LOOP-8
Keywords keywordsISOMERASE(INTRAMOLECULAR OXIDOREDUCTASE); ISOMERASE(INTRAMOLECULAR OXIDOREDUCTASE)
Experimental Method methodX-RAY DIFFRACTION

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

Radius of gyration Rg (Guinier) rg_guinier17.85
Radius of gyration Rg (electron density) rg_electron16.63
Forward intensity I(0) i011421000.00
Molecular weight molecular_weight25575.0 kDa
Excluded volume excluded_volume32206 ų
Envelope volume envelope_volume35146 ų
Hydration-shell volume shell_volume17447 ų
Envelope diameter envelope_diameter52.5
Shell Rg shell_rg22.94
Envelope Rg envelope_rg16.79
Shape Rg shape_rg16.62
Total Rg total_rg17.64
Total atoms total_atoms1803
Residues n_residues236
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 dmax52.9
Rg (real space) rg_real17.70
Rg uncertainty (real space) rg_real_error0.21
I(0) (real space) i0_real1.1420e+07
I(0) uncertainty (real space) i0_real_error1.2240e+05
Rg (reciprocal space) rg_reciprocal17.72
I(0) (reciprocal space) i0_reciprocal11420000.0000
Solution quality estimate total_estimate0.9025
Solution quality rating solution_quality EXCELLENT a EXCELLENT solution
P(r) peaks n_peaks2
Primary peak position r_peak_primary23.6
Skewness Skewness skewness0.067
Kurtosis Kurtosis kurtosis-0.477
Angular range angular_range— – 0.4450 −1
Current regularization parameter α current_alpha0.0000
Highest regularization parameter α highest_alpha2435000.0000
Real-space data points n_real_points75
GNOM version gnom_version4.1.3
Quality Criteria quality_criteria AN1: 0.000; Oscil: 0.938; Stabil: 1.000; Sysdev: 1.000; Positv: 1.000; Valcen: 0.973; Smooth: 0.940

5. Crystallography and Experiment 5. Crystallography & Experiment

6. Entities and Polymers Entities & Polymers (3)

7. Fold Classification (SCOP + CATH) 2 domains

SCOP 2.08 (1 domains)

Domain ID domain_idd1ttia_
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 (1 domains)

Domain ID domain_id1ttiA00
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)