1c3e

NEW INSIGHTS INTO INHIBITOR DESIGN FROM THE CRYSTAL STRUCTURE AND NMR STUDIES OF E. COLI GAR TRANSFORMYLATE IN COMPLEX WITH BETA-GAR AND 10-FORMYL-5,8,10-TRIDEAZAFOLIC ACID.

Method: X-RAY DIFFRACTION Dmax: 85.3 Å Quality: GOOD

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

GLYCINAMIDE RIBONUCLEOTIDE TRANSFORMYLASE

Escherichia coli

UniProt P08179

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 not uniquely mapped; UniProt —–— Chain A; UniProt 1–209 Not recorded NHR 2-{4-[2-(2-AMINO-4-HYDROXY-QUINAZOLIN-6-YL)-1-CARBOXY-ETHYL]-BENZOYLAMINO}-PENTANEDIOIC ACID × 2 GAR GLYCINAMIDE RIBONUCLEOTIDE × 2 X-RAY DIFFRACTION X-ray crystallization conditions:VAPOR DIFFUSION, SITTING DROP;pH 7.2;295 K;PEG 3350, Imidazole malate, calcium chloride, MPD, pH 7.2, VAPOR DIFFUSION, SITTING DROP, temperature 22.0K Resolution 2.10 Å R-free 0.263

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.

8 other PDB entries and 13 assemblies. Open the comparison page and filter oligomeric states

View Construct and Data Evidence
UniProt name PUR3_ECOLI
Isoform
PDB entities 1
Chains and sequence ranges Author chain A; PDBConstruct 1–209; UniProt 1–209

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 1c3e

P(r) Distance Distribution P(r) Distribution

P(r) distribution for 1c3e
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2. Structure Basics 2. Structure Basics

Entry ID entry_id1c3e
Deposition date deposition_date1999-07-27
Structure title titleNEW INSIGHTS INTO INHIBITOR DESIGN FROM THE CRYSTAL STRUCTURE AND NMR STUDIES OF E. COLI GAR TRANSFORMYLATE IN COMPLEX WITH BETA-GAR AND 10-FORMYL-5,8,10-TRIDEAZAFOLIC ACID.
Keywords keywordsPURINE BIOSYNTHESIS, ANTI-CANCER AGENT, INHIBITOR COMPLEX, TRANSFERASE; TRANSFERASE
Experimental Method methodX-RAY DIFFRACTION

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

Radius of gyration Rg (Guinier) rg_guinier26.68
Radius of gyration Rg (electron density) rg_electron25.80
Forward intensity I(0) i038561300.00
Molecular weight molecular_weight47365.0 kDa
Excluded volume excluded_volume58950 ų
Envelope volume envelope_volume71213 ų
Hydration-shell volume shell_volume23619 ų
Envelope diameter envelope_diameter88.4
Shell Rg shell_rg32.30
Envelope Rg envelope_rg25.62
Shape Rg shape_rg25.76
Total Rg total_rg26.62
Total atoms total_atoms3342
Residues n_residues418
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 dmax85.3
Rg (real space) rg_real26.75
Rg uncertainty (real space) rg_real_error0.74
I(0) (real space) i0_real3.8560e+07
I(0) uncertainty (real space) i0_real_error5.9180e+05
Rg (reciprocal space) rg_reciprocal26.73
I(0) (reciprocal space) i0_reciprocal38560000.0000
Solution quality estimate total_estimate0.8932
Solution quality rating solution_quality GOOD a GOOD solution
P(r) peaks n_peaks2
Primary peak position r_peak_primary26.0
Skewness Skewness skewness0.336
Kurtosis Kurtosis kurtosis-0.592
Angular range angular_range— – 0.2950 −1
Current regularization parameter α current_alpha0.0000
Highest regularization parameter α highest_alpha6544000.0000
Real-space data points n_real_points60
GNOM version gnom_version4.1.3
Quality Criteria quality_criteria AN1: 0.000; Oscil: 0.916; Stabil: 1.000; Sysdev: 1.000; Positv: 1.000; Valcen: 0.907; Smooth: 0.951

5. Crystallography and Experiment 5. Crystallography & Experiment

6. Entities and Polymers Entities & Polymers (4)

7. Fold Classification (SCOP + CATH) 4 domains

SCOP 2.08 (2 domains)

Domain ID domain_idd1c3ea_
Class classc — Alpha and beta proteins (a/b)
Fold Fold foldc.65 — Formyltransferase
Superfamily Superfamily superfamilyc.65.1 — Formyltransferase
Family Family familyc.65.1.1 — Formyltransferase
Domain ID domain_idd1c3eb_
Class classc — Alpha and beta proteins (a/b)
Fold Fold foldc.65 — Formyltransferase
Superfamily Superfamily superfamilyc.65.1 — Formyltransferase
Family Family familyc.65.1.1 — Formyltransferase

CATH v4.4 (2 domains)

Domain ID domain_id1c3eA00
Class class3 — Alpha Beta
Architecture architecture40 — 3-Layer(aba) Sandwich
Topology topology50 — Rossmann fold
Homologous superfamily homologous superfamily170 — Formyl transferase, N-terminal domain
Domain ID domain_id1c3eB00
Class class3 — Alpha Beta
Architecture architecture40 — 3-Layer(aba) Sandwich
Topology topology50 — Rossmann fold
Homologous superfamily homologous superfamily170 — Formyl transferase, N-terminal domain

8. Citations (3)

9. Files and Curves (10)