2OI9: 2C/Ld/QL9 allogeneic complex

Structure of the 2C/Ld/QL9 allogeneic complex. Determined by X-ray diffraction at 2.35 Å resolution. Released 24 Apr 2007.

Method
X-ray diffraction
Resolution
2.35 Å
Organism
Mus musculus
Chains
4
Atoms
3,401
Mol. weight
47.76 kDa
Released
24 Apr 2007

Explore 2OI9 in 3D Show helices and sheets RCSB PDB PDBe

Secondary structure: helices and β-sheets

2OI9 contains 12 α-helices and 31 β-strands across 4 chains. Residue ranges use author residue numbering, as in the PDB file, from PDBe. To see them in 3D, choose the Cartoon representation with Secondary structure coloring: helices, sheets and coils get different colors.

Chain A: 6 helices, 8 β-strands

ElementResiduesLengthSheet
β-strand3-13111
α-helix201
β-strand21-2881
β-strand31-3771
β-strand45-4731
α-helix50-523
α-helix57-8529
β-strand93-103111
β-strand109-118101
β-strand121-12661
β-strand133-13531
α-helix138-15013
α-helix152-16110
α-helix163-17412
Chain B: 4 helices, 12 β-strands
ElementResiduesLengthSheet
β-strand2-432
β-strand9-1243
β-strand18-2032
β-strand23-2532
β-strand32-3763
β-strand44-4963
β-strand55-5732
α-helix59-613
β-strand62-6762
β-strand72-7762
α-helix82-843
β-strand86-9383
α-helix100-1023
α-helix1031
β-strand104-10633
β-strand110-11453
Chain C: 1 helix, 11 β-strands
ElementResiduesLengthSheet
β-strand4-744
β-strand10-1455
β-strand19-2574
β-strand31-3775
β-strand44-4965
β-strand56-5725
β-strand65-6844
β-strand74-7964
α-helix84-863
β-strand88-9585
β-strand106-10835
β-strand112-11765
Chain Q: 1 helix, 0 β-strands
ElementResiduesLengthSheet
α-helix3-86

Molecules and chains

MoleculeChainsTypeLengthOrganismUniProt
Major Histocompatibility Complex proteinAprotein179Mus musculusP01897 (AlphaFold model)
T cell receptor alpha chainBprotein113Mus musculusP01738 (AlphaFold model)
T cell receptor beta chainCprotein121Mus musculusA2NTY6 (AlphaFold model)
peptide (GLN)(LEU)(SER)(PRO)(PHE)(PRO)(PHE)(ASP)(LEU)Qprotein9
Sequence of entity 1 (A), FASTA
>2OI9_1 Major Histocompatibility Complex protein (chains A)
GPHSMRYYETATSRRGLGEPRYTSVGYVDDKEFVRFDSDAENPRYEPQVPWMEQEGPEYW
ERITQVAKGQEQWFRVNLRTLLGYYNQSAGGTHTLQRMYGCDVGSDGRLLRGYEQFAYDG
CDYIALNEDLRTWTAADMAAQITRRKWEQAGAAEYYRAYLEGECVEWLHRYLKNGNATL
Sequence of entity 2 (B), FASTA
>2OI9_2 T cell receptor alpha chain (chains B)
QSVTQPDARVTVSEGASLQLRCKYSYSATPYLFWYVQYPRQGPQLLLKYYSGDPVVQGVN
GFEAEFSKSNSSFHLRKASVHRSDSAVYFCAVSGFASALTFGSGTKVIVLPYN
Sequence of entity 3 (C), FASTA
>2OI9_3 T cell receptor beta chain (chains C)
EAAVTQSPRNKVAVTGEKVTLSCNQTNNHNNMYWYRQDTGHELRLIYYSYGAGSTEKGDI
PDGYKASRPSQENFSLTLESATPSQTSVYFCASGGGGTLYFGAGTRLSVLSSALEHHHHH
H
Sequence of entity 4 (Q), FASTA
>2OI9_4 peptide (GLN)(LEU)(SER)(PRO)(PHE)(PRO)(PHE)(ASP)(LEU) (chains Q)
QLSPFPFDL

Primary citation

How a single T cell receptor recognizes both self and foreign MHC. Colf, L.A., Bankovich, A.J., Hanick, N.A. et al. Cell (2007) 129:135-146. DOI 10.1016/j.cell.2007.01.048 · PubMed

Other PDB entries of the same protein (UniProt P01897 (AlphaFold model), which also has an AlphaFold model), best resolution first:

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