1tug

Aspartate Transcarbamoylase Catalytic Chain Mutant E50A Complex with Phosphonoacetamide, Malonate, and Cytidine-5-Prime-Triphosphate (CTP)

Method: X-RAY DIFFRACTION Dmax: 104.0 Å Quality: GOOD

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

Aspartate carbamoyltransferase catalytic chain

Escherichia coli

UniProt P0A786

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 × 12 PDB declaration: dodecameric(12) Consistent with protein copy count Chain A; UniProt 1–310 Chain C; UniProt 1–310 Mutation:E50A Aspartate carbamoyltransferase regulatory chain × 6 (P0A7F3) MLI MALONATE ION × 6 PCT PHOSPHONOACETAMIDE × 6 ZN ZINC ION × 6 CTP CYTIDINE-5'-TRIPHOSPHATE × 6 X-RAY DIFFRACTION X-ray crystallization conditions:pH 6;295 K;100 mM sodium citrate, 1 mM 2-mercaptoethanol, 0.2 mM EDTA and 1.0 mM CTP pH 6.0 then soaked for 24 hours in 100 mM malonate, 2 mM CTP, 3 mM sodium azide, 2 mM 2-mercaptoethanol, and 15% PEG 8000 pH 7.0. Before mounting, 50 mM PAM was added and the crystal allowed to soak until data collected., MICRODIALYSIS, temperature 295K, pH 6.00 Resolution 2.10 Å R-free 0.272

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.

59 other PDB entries and 61 assemblies. Open the comparison page and filter oligomeric states

View Construct and Data Evidence
UniProt name PYRB_ECOLI
Isoform
PDB entities 1
Chains and sequence ranges Author chain A; PDBConstruct 1–310; UniProt 1–310 Author chain C; PDBConstruct 1–310; UniProt 1–310

Aspartate carbamoyltransferase regulatory chain

Escherichia coli

UniProt P0A7F3

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 × 12 PDB declaration: dodecameric(12) Consistent with protein copy count Chain B; UniProt 1–152 Chain D; UniProt 1–152 Not recorded Aspartate carbamoyltransferase catalytic chain × 6 (P0A786) MLI MALONATE ION × 6 PCT PHOSPHONOACETAMIDE × 6 ZN ZINC ION × 6 CTP CYTIDINE-5'-TRIPHOSPHATE × 6 X-RAY DIFFRACTION X-ray crystallization conditions:pH 6;295 K;100 mM sodium citrate, 1 mM 2-mercaptoethanol, 0.2 mM EDTA and 1.0 mM CTP pH 6.0 then soaked for 24 hours in 100 mM malonate, 2 mM CTP, 3 mM sodium azide, 2 mM 2-mercaptoethanol, and 15% PEG 8000 pH 7.0. Before mounting, 50 mM PAM was added and the crystal allowed to soak until data collected., MICRODIALYSIS, temperature 295K, pH 6.00 Resolution 2.10 Å R-free 0.272

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.

54 other PDB entries and 55 assemblies. Open the comparison page and filter oligomeric states

View Construct and Data Evidence
UniProt name PYRI_ECOLI
Isoform
PDB entities 2
Chains and sequence ranges Author chain B; PDBConstruct 2–153; UniProt 1–152 Author chain D; PDBConstruct 2–153; UniProt 1–152

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 1tug

P(r) Distance Distribution P(r) Distribution

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

Entry ID entry_id1tug
Deposition date deposition_date2004-06-24
Structure title titleAspartate Transcarbamoylase Catalytic Chain Mutant E50A Complex with Phosphonoacetamide, Malonate, and Cytidine-5-Prime-Triphosphate (CTP)
Keywords keywordsprotein structure-function, site specific mutagenesis, domain closure, allosteric transition, HYDROLASE-HYDROLASE REGULATOR COMPLEX; HYDROLASE/HYDROLASE REGULATOR
Experimental Method methodX-RAY DIFFRACTION

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

Radius of gyration Rg (Guinier) rg_guinier37.69
Radius of gyration Rg (electron density) rg_electron37.11
Forward intensity I(0) i0171475000.00
Molecular weight molecular_weight104290.0 kDa
Excluded volume excluded_volume130010 ų
Envelope volume envelope_volume174780 ų
Hydration-shell volume shell_volume39768 ų
Envelope diameter envelope_diameter109.1
Shell Rg shell_rg43.02
Envelope Rg envelope_rg35.86
Shape Rg shape_rg37.12
Total Rg total_rg37.45
Total atoms total_atoms7314
Residues n_residues926
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 dmax104.0
Rg (real space) rg_real37.56
Rg uncertainty (real space) rg_real_error0.65
I(0) (real space) i0_real1.7150e+08
I(0) uncertainty (real space) i0_real_error2.9180e+06
Rg (reciprocal space) rg_reciprocal37.65
I(0) (reciprocal space) i0_reciprocal171500000.0000
Solution quality estimate total_estimate0.8381
Solution quality rating solution_quality GOOD a GOOD solution
P(r) peaks n_peaks2
Primary peak position r_peak_primary61.9
Skewness Skewness skewness0.024
Kurtosis Kurtosis kurtosis-0.907
Angular range angular_range— – 0.2100 −1
Current regularization parameter α current_alpha0.0000
Highest regularization parameter α highest_alpha19350000.0000
Real-space data points n_real_points43
GNOM version gnom_version4.1.3
Quality Criteria quality_criteria AN1: 0.000; Oscil: 0.990; Stabil: 1.000; Sysdev: 1.000; Positv: 1.000; Valcen: 0.920; Smooth: 0.001

5. Crystallography and Experiment 5. Crystallography & Experiment

6. Entities and Polymers Entities & Polymers (7)

7. Fold Classification (SCOP + CATH) 14 domains

SCOP 2.08 (6 domains)

Domain ID domain_idd1tuga1
Class classc — Alpha and beta proteins (a/b)
Fold Fold foldc.78 — ATC-like
Superfamily Superfamily superfamilyc.78.1 — Aspartate/ornithine carbamoyltransferase
Family Family familyc.78.1.1 — Aspartate/ornithine carbamoyltransferase
Domain ID domain_idd1tugb1
Class classd — Alpha and beta proteins (a+b)
Fold Fold foldd.58 — Ferredoxin-like
Superfamily Superfamily superfamilyd.58.2 — Aspartate carbamoyltransferase, Regulatory-chain, N-terminal domain
Family Family familyd.58.2.1 — Aspartate carbamoyltransferase, Regulatory-chain, N-terminal domain
Domain ID domain_idd1tugb2
Class classg — Small proteins
Fold Fold foldg.41 — Rubredoxin-like
Superfamily Superfamily superfamilyg.41.7 — Aspartate carbamoyltransferase, Regulatory-chain, C-terminal domain
Family Family familyg.41.7.1 — Aspartate carbamoyltransferase, Regulatory-chain, C-terminal domain
Domain ID domain_idd1tugc1
Class classc — Alpha and beta proteins (a/b)
Fold Fold foldc.78 — ATC-like
Superfamily Superfamily superfamilyc.78.1 — Aspartate/ornithine carbamoyltransferase
Family Family familyc.78.1.1 — Aspartate/ornithine carbamoyltransferase
Domain ID domain_idd1tugd1
Class classd — Alpha and beta proteins (a+b)
Fold Fold foldd.58 — Ferredoxin-like
Superfamily Superfamily superfamilyd.58.2 — Aspartate carbamoyltransferase, Regulatory-chain, N-terminal domain
Family Family familyd.58.2.1 — Aspartate carbamoyltransferase, Regulatory-chain, N-terminal domain
Domain ID domain_idd1tugd2
Class classg — Small proteins
Fold Fold foldg.41 — Rubredoxin-like
Superfamily Superfamily superfamilyg.41.7 — Aspartate carbamoyltransferase, Regulatory-chain, C-terminal domain
Family Family familyg.41.7.1 — Aspartate carbamoyltransferase, Regulatory-chain, C-terminal domain

CATH v4.4 (8 domains)

Domain ID domain_id1tugA01
Class class3 — Alpha Beta
Architecture architecture40 — 3-Layer(aba) Sandwich
Topology topology50 — Rossmann fold
Homologous superfamily homologous superfamily1370 — Aspartate/ornithine carbamoyltransferase
Domain ID domain_id1tugA02
Class class3 — Alpha Beta
Architecture architecture40 — 3-Layer(aba) Sandwich
Topology topology50 — Rossmann fold
Homologous superfamily homologous superfamily1370 — Aspartate/ornithine carbamoyltransferase
Domain ID domain_id1tugB01
Class class3 — Alpha Beta
Architecture architecture30 — 2-Layer Sandwich
Topology topology70 — Alpha-Beta Plaits
Homologous superfamily homologous superfamily140 — Aspartate carbamoyltransferase regulatory subunit, N-terminal domain
Domain ID domain_id1tugB02
Class class2 — Mainly Beta
Architecture architecture30 — Roll
Topology topology30 — SH3 type barrels.
Homologous superfamily homologous superfamily20 — Aspartate carbamoyltransferase regulatory subunit, C-terminal domain
Domain ID domain_id1tugC01
Class class3 — Alpha Beta
Architecture architecture40 — 3-Layer(aba) Sandwich
Topology topology50 — Rossmann fold
Homologous superfamily homologous superfamily1370 — Aspartate/ornithine carbamoyltransferase
Domain ID domain_id1tugC02
Class class3 — Alpha Beta
Architecture architecture40 — 3-Layer(aba) Sandwich
Topology topology50 — Rossmann fold
Homologous superfamily homologous superfamily1370 — Aspartate/ornithine carbamoyltransferase
Domain ID domain_id1tugD01
Class class3 — Alpha Beta
Architecture architecture30 — 2-Layer Sandwich
Topology topology70 — Alpha-Beta Plaits
Homologous superfamily homologous superfamily140 — Aspartate carbamoyltransferase regulatory subunit, N-terminal domain
Domain ID domain_id1tugD02
Class class2 — Mainly Beta
Architecture architecture30 — Roll
Topology topology30 — SH3 type barrels.
Homologous superfamily homologous superfamily20 — Aspartate carbamoyltransferase regulatory subunit, C-terminal domain

8. Citations (1)

9. Files and Curves (10)