1ile

ISOLEUCYL-TRNA SYNTHETASE

Method: X-RAY DIFFRACTION

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

ISOLEUCYL-TRNA SYNTHETASE

Thermus thermophilus

UniProt P56690

State in the Current Structure

Assembly Physical composition Protein state Molecular copy count Associated components Data consistency
1 Protein monomer Monomer Protein 1 ZINC ION × 2 water × 1 Consistent with protein count

Other States of the Same Protein in the Database

View Construct and Data Evidence
UniProt name SYI_THET8
Isoform
PDB entities 1
Chains and sequence ranges Author chain A; PDBConstruct 1–821; UniProt 1–821

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.

2. Structure Basics 2. Structure Basics

Entry ID entry_id1ile
Deposition date deposition_date1998-02-24
Structure title titleISOLEUCYL-TRNA SYNTHETASE
Keywords keywordsAMINOACYL-TRNA SYNTHETASE, RIKEN Structural Genomics/Proteomics Initiative, RSGI, Structural Genomics; AMINOACYL-TRNA SYNTHETASE
Experimental Method methodX-RAY DIFFRACTION

3. Official assembly/model SAXS Official SAXS Profiles

This page reads only the latest assembly calculations. Every curve maps to an explicit PDB entry, official biological assembly and coordinate model.

1ile__assembly_1__model_1

Assembly 1 · Model 1 · CRYSOL 4.1.3-1-20251215 (887e7ef)

Download this curve (.dat)

1ile__assembly_1__model_1 | I(q)

10-2 10-1 106 107 108 q (1/Angstrom) I(q)
100 plotted points; both axes use logarithmic scales.

1ile__assembly_1__model_1 | P(r) · Pending

The new assembly/model P(r) has not been calculated yet This placeholder does not display legacy data r (Angstrom) P(r)
P(r) will be calculated and displayed separately for the same assembly/model.
Rg(Guinier)34.49 Å
Rg (electron density)34.38 Å
Total Rg34.92 Å
Atom count6700
Residues821
Excluded volume119500 ų
Maximum q0.500 Å⁻¹
Assembly Model Structure unit Oligomeric description Status CRYSOL Actions
1 1 1ile__assembly_1__model_1 monomeric (1) Success 4.1.3-1-20251215 (887e7ef) View Download

4. Crystallography and Experiment 4. Crystallography & Experiment

5. Entities and Polymers Entities & Polymers (3)

6. Fold Classification (SCOP + CATH) 6 domains

SCOP 2.08 (3 domains)

Domain ID domain_idd1ilea1
Class classa — All alpha proteins
Fold Fold folda.27 — Anticodon-binding domain of a subclass of class I aminoacyl-tRNA synthetases
Superfamily Superfamily superfamilya.27.1 — Anticodon-binding domain of a subclass of class I aminoacyl-tRNA synthetases
Family Family familya.27.1.1 — Anticodon-binding domain of a subclass of class I aminoacyl-tRNA synthetases
Domain ID domain_idd1ilea2
Class classb — All beta proteins
Fold Fold foldb.51 — ValRS/IleRS/LeuRS editing domain
Superfamily Superfamily superfamilyb.51.1 — ValRS/IleRS/LeuRS editing domain
Family Family familyb.51.1.1 — ValRS/IleRS/LeuRS editing domain
Domain ID domain_idd1ilea3
Class classc — Alpha and beta proteins (a/b)
Fold Fold foldc.26 — Adenine nucleotide alpha hydrolase-like
Superfamily Superfamily superfamilyc.26.1 — Nucleotidylyl transferase
Family Family familyc.26.1.1 — Class I aminoacyl-tRNA synthetases (RS), catalytic domain

CATH v4.4 (3 domains)

Domain ID domain_id1ileA01
Class class3 — Alpha Beta
Architecture architecture40 — 3-Layer(aba) Sandwich
Topology topology50 — Rossmann fold
Homologous superfamily homologous superfamily620 — HUPs
Domain ID domain_id1ileA02
Class class3 — Alpha Beta
Architecture architecture90 — Alpha-Beta Complex
Topology topology740 — Isoleucyl-tRNA Synthetase; domain 2
Homologous superfamily homologous superfamily10 — Valyl/Leucyl/Isoleucyl-tRNA synthetase, editing domain
Domain ID domain_id1ileA03
Class class1 — Mainly Alpha
Architecture architecture10 — Orthogonal Bundle
Topology topology730 — Isoleucyl-tRNA Synthetase; Domain 1
Homologous superfamily homologous superfamily10 — Isoleucyl-tRNA Synthetase; Domain 1

7. Citations (1)