7Z0Q: PDB entry 7Z0Q

MHC-II dynamics are maintained in HLA-DR allotypes to ensure catalyzed peptide exchange. Determined by X-ray diffraction at 2.1 Å resolution. Released 8 Mar 2023.

Method
X-ray diffraction
Resolution
2.1 Å
Organism
Homo sapiens
Chains
3
Atoms
3,181
Mol. weight
47.58 kDa
Released
8 Mar 2023

Explore 7Z0Q in 3D Show helices and sheets RCSB PDB PDBe

Secondary structure: helices and β-sheets

7Z0Q contains 10 α-helices and 32 β-strands across 3 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 C: 4 helices, 16 β-strands

ElementResiduesLengthSheet
β-strand5-15111
β-strand19-2681
β-strand29-3571
β-strand40-4341
α-helix48-514
β-strand5312
α-helix56-7621
α-helix80-823
β-strand8513
α-helix86-872
β-strand88-9364
β-strand103-112104
β-strand11313
β-strand118-12365
β-strand126-12725
β-strand133-13424
β-strand138-13924
β-strand145-15394
β-strand161-16665
β-strand174-17855
Chain D: 5 helices, 15 β-strands
ElementResiduesLengthSheet
β-strand7-18121
β-strand23-32101
β-strand35-4171
β-strand47-4931
α-helix54-629
α-helix65-728
α-helix741
α-helix75-806
α-helix81-866
β-strand9516
β-strand98-10367
β-strand115-12287
β-strand12316
β-strand128-13148
β-strand13818
β-strand14417
β-strand148-14927
β-strand155-15957
β-strand171-17668
β-strand184-18858
Chain G: 1 helix, 1 β-strand
ElementResiduesLengthSheet
β-strand712
α-helix11-155

Molecules and chains

MoleculeChainsTypeLengthOrganismUniProt
HLA class II histocompatibility antigen, DR alpha chainCprotein192Homo sapiensP01903 (AlphaFold model)
HLA-DRB1 proteinDprotein198Homo sapiensD7RIG5 (AlphaFold model)
CLIP peptideGprotein17Homo sapiensP04233 (AlphaFold model)
Sequence of entity 1 (C), FASTA
>7Z0Q_1 HLA class II histocompatibility antigen, DR alpha chain (chains C)
IKEEHVIIQAEFYLNPDQSGEFMFDFDGDEIFHVDMAKKETVWRLEEFGRFASFEAQGAL
ANIAVDKANLEIMTKRSNYTPITNVPPEVTVLTNSPVELREPNVLICFIDKFTPPVVNVT
WLRNGKPVTTGVSETVFLPREDHLFRKFHYLPFLPSTEDVYDCRVEHWGLDEPLLKHWEF
DAPSPLPETTEV
Sequence of entity 2 (D), FASTA
>7Z0Q_2 HLA-DRB1 protein (chains D)
DTQPRFLWQGKYKCHFFNGTERVQFLERLFYNQEEFVRFDSDVGEYRAVTELGRPVAESW
NSQKDILEDRRGQVDTVCRHNYGVGESFTVQRRVHPEVTVYPAKTQPLQHHNLLVCSVSG
FYPGSIEVRWFRNGQEEKAGVVSTGLIQNGDWTFQTLVMLETVPRSGEVYTCQVEHPSVM
SPLTVEWRARSESAQSKM
Sequence of entity 3 (G), FASTA
>7Z0Q_3 CLIP peptide (chains G)
PVSKMRMATPLLMQAGN

Primary citation

MHC-II dynamics are maintained in HLA-DR allotypes to ensure catalyzed peptide exchange. Abualrous, E.T., Stolzenberg, S., Sticht, J. et al. Nat Chem Biol (2023) 19:1196-1204. DOI 10.1038/s41589-023-01316-3 · PubMed

Other PDB entries of the same protein (UniProt P01903 (AlphaFold model), which also has an AlphaFold model), best resolution first:

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