6ild

Crystal Structure of Human LysRS: P38/AIMP2 Complex II

Method: X-RAY DIFFRACTION

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

Lysine--tRNA ligase

Homo sapiens

UniProt Q15046

State in the Current Structure

Assembly Physical composition Protein state Molecular copy count Associated components Data consistency
1 Protein heterocomplex Heteromer Protein 3 Aminoacyl tRNA synthase complex-interacting multifunctional protein 2 × 1 (Q13155) LYSINE × 2 GLYCEROL × 5 MAGNESIUM ION × 2 5'-O-[(S)-hydroxy(methyl)phosphoryl]adenosine × 1 water × 3 Consistent with protein count

Other States of the Same Protein in the Database

View Construct and Data Evidence
UniProt name SYK_HUMAN
Isoform
PDB entities 1
Chains and sequence ranges Author chain A; PDBConstruct 2–513; UniProt 70–581 Author chain B; PDBConstruct 2–513; UniProt 70–581

Aminoacyl tRNA synthase complex-interacting multifunctional protein 2

Homo sapiens

UniProt Q13155

State in the Current Structure

Assembly Physical composition Protein state Molecular copy count Associated components Data consistency
1 Protein heterocomplex Heteromer Protein 3 Lysine--tRNA ligase × 2 (Q15046) LYSINE × 2 GLYCEROL × 5 MAGNESIUM ION × 2 5'-O-[(S)-hydroxy(methyl)phosphoryl]adenosine × 1 water × 3 Consistent with protein count

Other States of the Same Protein in the Database

View Construct and Data Evidence
UniProt name AIMP2_HUMAN
Isoform
PDB entities 2
Chains and sequence ranges Author chain C; PDBConstruct 1–36; UniProt 1–36

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_id6ild
Deposition date deposition_date2018-10-17
Structure title titleCrystal Structure of Human LysRS: P38/AIMP2 Complex II
Keywords keywordslysyl-tRNA synthetase, LysRS, P38, AIMP2, multi tRNA synthetase complex sub-complex, LIGASE; LIGASE
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.

6ild__assembly_1__model_1

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

Download this curve (.dat)

6ild__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.

6ild__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)32.53 Å
Rg (electron density)31.81 Å
Total Rg32.35 Å
Atom count8272
Residues1030
Excluded volume147920 ų
Maximum q0.500 Å⁻¹
Assembly Model Structure unit Oligomeric description Status CRYSOL Actions
1 1 6ild__assembly_1__model_1 trimeric (3) Success 4.1.3-1-20251215 (887e7ef) View Download

4. Crystallography and Experiment 4. Crystallography & Experiment

5. Entities and Polymers Entities & Polymers (7)

6. Fold Classification (SCOP + CATH) 8 domains

SCOP 2.08 (4 domains)

Domain ID domain_idd6ilda1
Class classb — All beta proteins
Fold Fold foldb.40 — OB-fold
Superfamily Superfamily superfamilyb.40.4 — Nucleic acid-binding proteins
Family Family familyb.40.4.0 — automated matches
Domain ID domain_idd6ilda2
Class classd — Alpha and beta proteins (a+b)
Fold Fold foldd.104 — Class II aaRS and biotin synthetases
Superfamily Superfamily superfamilyd.104.1 — Class II aaRS and biotin synthetases
Family Family familyd.104.1.0 — automated matches
Domain ID domain_idd6ildb1
Class classb — All beta proteins
Fold Fold foldb.40 — OB-fold
Superfamily Superfamily superfamilyb.40.4 — Nucleic acid-binding proteins
Family Family familyb.40.4.0 — automated matches
Domain ID domain_idd6ildb2
Class classd — Alpha and beta proteins (a+b)
Fold Fold foldd.104 — Class II aaRS and biotin synthetases
Superfamily Superfamily superfamilyd.104.1 — Class II aaRS and biotin synthetases
Family Family familyd.104.1.0 — automated matches

CATH v4.4 (4 domains)

Domain ID domain_id6ildA01
Class class2 — Mainly Beta
Architecture architecture40 — Beta Barrel
Topology topology50 — OB fold (Dihydrolipoamide Acetyltransferase, E2P)
Homologous superfamily homologous superfamily140 — Nucleic acid-binding proteins
Domain ID domain_id6ildA02
Class class3 — Alpha Beta
Architecture architecture30 — 2-Layer Sandwich
Topology topology930 — BirA Bifunctional Protein; domain 2
Homologous superfamily homologous superfamily10 — Bira Bifunctional Protein; Domain 2
Domain ID domain_id6ildB01
Class class2 — Mainly Beta
Architecture architecture40 — Beta Barrel
Topology topology50 — OB fold (Dihydrolipoamide Acetyltransferase, E2P)
Homologous superfamily homologous superfamily140 — Nucleic acid-binding proteins
Domain ID domain_id6ildB02
Class class3 — Alpha Beta
Architecture architecture30 — 2-Layer Sandwich
Topology topology930 — BirA Bifunctional Protein; domain 2
Homologous superfamily homologous superfamily10 — Bira Bifunctional Protein; Domain 2

7. Citations (1)