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Crystal structure of immune receptor complex

X-ray diffraction
2.7Å resolution
PDB entry 2z31 coloured by chain, front view.
PDB entry 2z31 coloured by chain, side view.
PDB entry 2z31 coloured by chain, top view.
Source organism: Mus musculus
Assembly composition:
hetero pentamer (preferred)
Entry contents: 5 distinct polypeptide molecules

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Assemblies

Assembly 1 (preferred)
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Multimeric state: hetero pentamer
Accessible surface area: 26179.42 Å2
Buried surface area: 10870.1 Å2
Dissociation area: 2,887.47 Å2
Dissociation energy (ΔGdiss): 1.86 kcal/mol
Dissociation entropy (TΔSdiss): 31.93 kcal/mol
Symmetry number: 1
PDBe Complex ID: PDB-CPX-106904

Macromolecules

Ig-like domain-containing protein
Chain: A
Length: 112 amino acids
Theoretical weight: 12.38 KDa
Source organism: Mus musculus
Expression system: Escherichia coli
UniProt:
  • Canonical: Q5R1F5 (Residues: 21-112; Coverage: 100%)
Gene name: TRAV6D-7
Pfam: Immunoglobulin V-set domain
InterPro:
CATH: Immunoglobulins
Ig-like domain-containing protein in PDB entry 2z31, assembly 1, front view.
Ig-like domain-containing protein in PDB entry 2z31, assembly 1, side view.
Ig-like domain-containing protein in PDB entry 2z31, assembly 1, top view.
PDBe-KB: UniProt Coverage View: Q5R1F5  
1112102030405060708090100110
 
50100
UniProt
Q5R1F5
Chains
Domains
Secondary structure
Flexibility predictions
Early folding residue predictions
Sequence conservation
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Ig-like domain-containing protein
Chain: B
Length: 111 amino acids
Theoretical weight: 12.01 KDa
Source organism: Mus musculus
Expression system: Escherichia coli
UniProt:
  • Canonical: A2NTY6 (Residues: 32-144; Coverage: 98%)
Pfam: Immunoglobulin V-set domain
InterPro:
CATH: Immunoglobulins
Ig-like domain-containing protein in PDB entry 2z31, assembly 1, front view.
Ig-like domain-containing protein in PDB entry 2z31, assembly 1, side view.
Ig-like domain-containing protein in PDB entry 2z31, assembly 1, top view.
PDBe-KB: UniProt Coverage View: A2NTY6  
1111102030405060708090100110
 
50100
UniProt
A2NTY6
Chains
Domains
Secondary structure
Flexibility predictions
Early folding residue predictions
Sequence conservation
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H-2 class II histocompatibility antigen, A-U alpha chain
Chain: C
Length: 181 amino acids
Theoretical weight: 20.54 KDa
Source organism: Mus musculus
Expression system: Drosophila melanogaster
UniProt:
  • Canonical: P14438 (Residues: 1-178; Coverage: 78%)
Gene name: H2-Aa
Pfam:
InterPro:
CATH:
SCOP:
H-2 class II histocompatibility antigen, A-U alpha chain in PDB entry 2z31, assembly 1, front view.
H-2 class II histocompatibility antigen, A-U alpha chain in PDB entry 2z31, assembly 1, side view.
H-2 class II histocompatibility antigen, A-U alpha chain in PDB entry 2z31, assembly 1, top view.
PDBe-KB: UniProt Coverage View: P14438  
118120406080100120140160180
 
50100150
UniProt
P14438
Chains
Domains
Secondary structure
Flexibility predictions
Early folding residue predictions
Sequence conservation
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H-2 class II histocompatibility antigen, A-U beta chain
Chain: D
Length: 189 amino acids
Theoretical weight: 22.5 KDa
Source organism: Mus musculus
Expression system: Drosophila melanogaster
UniProt:
  • Canonical: P06344 (Residues: 28-216; Coverage: 80%)
Pfam:
InterPro:
CATH:
SCOP:
H-2 class II histocompatibility antigen, A-U beta chain in PDB entry 2z31, assembly 1, front view.
H-2 class II histocompatibility antigen, A-U beta chain in PDB entry 2z31, assembly 1, side view.
H-2 class II histocompatibility antigen, A-U beta chain in PDB entry 2z31, assembly 1, top view.
PDBe-KB: UniProt Coverage View: P06344  
118920406080100120140160180
 
50100150
UniProt
P06344
Chains
Domains
Secondary structure
Flexibility predictions
Early folding residue predictions
Molecule details ›

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Myelin basic protein (MBP)-peptide
Chain: P
Length: 11 amino acids
Theoretical weight: 1.21 KDa
Myelin basic protein (MBP)-peptide in PDB entry 2z31, assembly 1, front view.
Myelin basic protein (MBP)-peptide in PDB entry 2z31, assembly 1, side view.
Myelin basic protein (MBP)-peptide in PDB entry 2z31, assembly 1, top view.
1111234567891011
 
510RGGASQYRPSQ
Chains
Chain E (auth P)
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