3mbe

X-ray diffraction
2.89Å resolution

TCR 21.30 in complex with MHC class II I-Ag7HEL(11-27)

Released:
Model geometry
Fit model/data

Function and Biology Details

Reaction catalysed:
Hydrolysis of (1->4)-beta-linkages between N-acetylmuramic acid and N-acetyl-D-glucosamine residues in a peptidoglycan and between N-acetyl-D-glucosamine residues in chitodextrins
Biochemical function:
  • not assigned
Cellular component:

Structure analysis Details

Assembly composition:
hetero pentamer (preferred)
PDBe Complex ID:
PDB-CPX-132848 (preferred)
Entry contents:
5 distinct polypeptide molecules
Macromolecules (6 distinct):
H-2 class II histocompatibility antigen, A-D alpha chain Chains: A, E
Molecule details ›
Chains: A, E
Length: 190 amino acids
Theoretical weight: 21.62 KDa
Source organism: Mus musculus
Expression system: Drosophila melanogaster
UniProt:
  • Canonical: P04228 (Residues: 24-205; Coverage: 78%)
Gene name: H2-Aa
Sequence domains:
Structure domains:
Ig-like domain-containing protein Chains: B, F
Molecule details ›
Chains: B, F
Length: 201 amino acids
Theoretical weight: 23.34 KDa
Source organism: Mus musculus
Expression system: Drosophila melanogaster
UniProt:
  • Canonical: Q31135 (Residues: 28-214; Coverage: 79%)
Gene name: H2-Ab1
Sequence domains:
Structure domains:
Lysozyme C Chains: P, Q
T-cell receptor alpha chain constant Chains: C, G
T-cell receptor beta-1 chain C region Chains: D, H

Ligands and Environments

Carbohydrate polymer : NEW Components: NAG
1 bound ligand:
No modified residues

Experiments and Validation Details

wwPDB Validation report is not available for this entry.
X-ray source: APS BEAMLINE 23-ID-B
Spacegroup: P212121
Unit cell:
a: 67.468Å b: 99.391Å c: 404.677Å
α: 90° β: 90° γ: 90°
R-values:
R R work R free
0.254 0.253 0.281
Expression systems:
  • Drosophila melanogaster
  • Not provided