7EJN: MHC class I antigen

Complex Structure of HLA-A*2402 with the Peptide from HCoV(CoV-HKU1) spike protein. Determined by X-ray diffraction at 2.11 Å resolution. Released 26 Jan 2022.

Method: X-ray diffraction
Resolution: 2.11 Å
Organisms: Homo sapiens, Human coronavirus HKU1
Chains: 3
Atoms: 3,314
Mol. weight: 45.61 kDa
Released: 26 Jan 2022

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

Secondary structure: helices and β-sheets

7EJN contains 13 α-helices and 30 β-strands across 2 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: 11 helices, 19 β-strands

Element	Residues	Length	Sheet
β-strand	3-12	10	1
α-helix	20	1
β-strand	21-28	8	1
β-strand	31-37	7	1
β-strand	46-47	2	1
α-helix	50-52	3
α-helix	57-84	28
β-strand	94-103	10	1
β-strand	109-118	10	1
β-strand	121-126	6	1
β-strand	133-135	3	1
α-helix	138-149	12
α-helix	152-161	10
α-helix	163-174	12
α-helix	176-179	4
β-strand	183	1	2
α-helix	184-185	2
β-strand	186-193	8	3
β-strand	198-208	11	3
β-strand	209	1	2
β-strand	214-219	6	4
β-strand	222-223	2	4
α-helix	225-227	3
β-strand	228-230	3	3
α-helix	231-233	3
β-strand	234-235	2	3
β-strand	241-250	10	3
α-helix	254-256	3
β-strand	257-262	6	4
β-strand	270-272	3	4

Chain B: 2 helices, 11 β-strands

Element	Residues	Length	Sheet
β-strand	3	1	5
α-helix	4-5	2
β-strand	6-11	6	6
β-strand	21-30	10	6
β-strand	31	1	5
β-strand	36-41	6	7
β-strand	44-45	2	7
β-strand	50-51	2	6
α-helix	52-54	3
β-strand	55-56	2	6
β-strand	62-70	9	6
β-strand	78-83	6	7
β-strand	91-94	4	7

Molecules and chains

Molecule	Chains	Type	Length	Organism	UniProt
MHC class I antigen	A	protein	281	Homo sapiens	A0A5H2UYS3 (AlphaFold model)
Beta-2-microglobulin	B	protein	106	Homo sapiens	P61769 (AlphaFold model)
9-mer peptide from the HCoV spike protein	C	protein	9	Human coronavirus HKU1	Q5MQD0 (AlphaFold model)

Sequence of entity 1 (A), FASTA

>7EJN_1 MHC class I antigen (chains A)
GSSGSSGGSHSMRYFSTSVSRPGRGEPRFIAVGYVDDTQFVRFDSDAASQRMEPRAPWIE
QEGPEYWDEETGKVKAHSQTDRENLRIALRYYNQSEAGSHTLQMMFGCDVGSDGRFLRGY
HQYAYDGKDYIALKEDLRSWTAADMAAQITKRKWEAAHVAEQQRAYLEGTCVDGLRRYLE
NGKETLQRTDPPKTHMTHHPISDHEATLRCWALGFYPAEITLTWQRDGEDQTQDTELVET
RPAGDGTFQKWAAVVVPSGEEQRYTCHVQHEGLPKPLTLRW

Sequence of entity 2 (B), FASTA

>7EJN_2 Beta-2-microglobulin (chains B)
GSSGSSGIQRTPKIQVYSRHPAENGKSNFLNCYVSGFHPSDIEVDLLKNGERIEKVEHSD
LSFSKDWSFYLLYYTEFTPTEKDEYACRVNHVTLSQPKIVKWDRDM

Sequence of entity 3 (C), FASTA

>7EJN_3 9-mer peptide from the HCoV spike protein (chains C)
MYVKWPWYV

Primary citation

Identification of TCR repertoires in functionally competent cytotoxic T cells cross-reactive to SARS-CoV-2. Shimizu, K., Iyoda, T., Sanpei, A. et al. Commun Biol (2021) 4:1365-1365. DOI 10.1038/s42003-021-02885-6 · PubMed

Other PDB entries of the same protein (UniProt A0A5H2UYS3 (AlphaFold model), which also has an AlphaFold model), best resolution first:

7JYV 1.51 Å, Crystal Structure of HLA A*2402 in complex with YFSPIRVTF, an 9-mer influenza epitope
7MJA 1.69 Å, HLA-A*24:02 bound to Neuroblastoma derived PHOX2B peptide
7EJM 1.71 Å, Complex Structure of HLA-A*2402 with the Peptide from HCoV(CoV-229E) spike protein
8SBK 1.8 Å, Structure of HLA-A*24:02 in complex with peptide, LYLPVRVLI (ATG2A).
7WT3 1.89 Å, Crystal structure of HLA-A*2402 complexed with 4-mer lipopeptide
7EJL 1.89 Å, Complex Structure of HLA-A*2402 with the Peptide from HCoV(CoV-2) spike protein
7WT4 1.89 Å, Crystal structure of HLA-A*2402 complexed with 8-mer Influenza PB1 peptide
7K81 2.0 Å, KIR3DL1*005 in complex with HLA-A*24:02 presenting the RYPLTFGW peptide
6XQA 2.16 Å, Crystal Structure of HLA A*2402 in complex with TYQWVLKNL, an 9-mer epitope from…
7NME 2.2 Å, Human MHC Class I, A24 Allele presenting QLPRLFPLL, Complex with 4C6 TCR
7NMD 2.25 Å, Human Major Histocompatibility Complex A24 Allele presenting QLPRLFPLL
7K80 2.4 Å, KIR3DL1*001 in complex with HLA-A*24:02 presenting the RYPLTFGW peptide

Browse structure collections

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