Crystal structure of chimeric omicron RBD (strain BA.2) complexed with human ACE2. Determined by X-ray diffraction at 2.38 Å resolution. Released 19 Oct 2022.
Explore 7UFK in 3D Show helices and sheets RCSB PDB PDBe
7UFK contains 102 α-helices and 56 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.
| Element | Residues | Length | Sheet |
|---|---|---|---|
| α-helix | 21-51 | 31 | |
| α-helix | 56-80 | 25 | |
| α-helix | 85-87 | 3 | |
| α-helix | 91-100 | 10 | |
| α-helix | 104-107 | 4 | |
| α-helix | 110-129 | 20 | |
| β-strand | 131-133 | 3 | 1 |
| β-strand | 141-143 | 3 | 1 |
| α-helix | 144-148 | 5 | |
| α-helix | 149-154 | 6 | |
| α-helix | 158-170 | 13 | |
| α-helix | 172-191 | 20 | |
| α-helix | 192-194 | 3 | |
| α-helix | 199-204 | 6 | |
| α-helix | 205-207 | 3 | |
| β-strand | 209 | 1 | 2 |
| β-strand | 217 | 1 | 2 |
| α-helix | 219-251 | 33 | |
| β-strand | 260 | 1 | 3 |
| α-helix | 261 | 1 | |
| β-strand | 262-263 | 2 | 4 |
| α-helix | 264-266 | 3 | |
| α-helix | 276-278 | 3 | |
| α-helix | 279-282 | 4 | |
| α-helix | 289-290 | 2 | |
| α-helix | 294-299 | 6 | |
| α-helix | 304-317 | 14 | |
| α-helix | 325-330 | 6 | |
| β-strand | 332 | 1 | 5 |
| α-helix | 337-339 | 3 | |
| β-strand | 347-352 | 6 | 5 |
| β-strand | 355-359 | 5 | 5 |
| α-helix | 366-384 | 19 | |
| α-helix | 385-387 | 3 | |
| α-helix | 390-392 | 3 | |
| α-helix | 400-412 | 13 | |
| α-helix | 415-421 | 7 | |
| α-helix | 432-445 | 14 | |
| α-helix | 447-449 | 3 | |
| α-helix | 450-465 | 16 | |
| α-helix | 470-472 | 3 | |
| α-helix | 473-480 | 8 | |
| α-helix | 481-485 | 5 | |
| β-strand | 487-488 | 2 | 4 |
| α-helix | 500-502 | 3 | |
| α-helix | 504-507 | 4 | |
| α-helix | 514-532 | 19 | |
| α-helix | 539-541 | 3 | |
| α-helix | 548-558 | 11 | |
| α-helix | 566-574 | 9 | |
| α-helix | 582-587 | 6 | |
| α-helix | 589-598 | 10 | |
| α-helix | 599-601 | 3 | |
| β-strand | 607 | 1 | 3 |
| Element | Residues | Length | Sheet |
|---|---|---|---|
| α-helix | 21-51 | 31 | |
| α-helix | 56-81 | 26 | |
| α-helix | 85-87 | 3 | |
| α-helix | 91-100 | 10 | |
| α-helix | 104-107 | 4 | |
| α-helix | 110-129 | 20 | |
| β-strand | 131-133 | 3 | 6 |
| β-strand | 141-143 | 3 | 6 |
| α-helix | 144-148 | 5 | |
| α-helix | 149-154 | 6 | |
| α-helix | 158-191 | 34 | |
| α-helix | 192-194 | 3 | |
| α-helix | 199-204 | 6 | |
| α-helix | 205-207 | 3 | |
| β-strand | 209 | 1 | 7 |
| β-strand | 217 | 1 | 7 |
| α-helix | 219-251 | 33 | |
| β-strand | 260 | 1 | 8 |
| α-helix | 261 | 1 | |
| β-strand | 262-263 | 2 | 9 |
| α-helix | 264-266 | 3 | |
| α-helix | 276-278 | 3 | |
| α-helix | 279-282 | 4 | |
| α-helix | 289-290 | 2 | |
| α-helix | 294-299 | 6 | |
| α-helix | 304-317 | 14 | |
| α-helix | 325-330 | 6 | |
| β-strand | 332 | 1 | 10 |
| β-strand | 347-352 | 6 | 10 |
| β-strand | 355-359 | 5 | 10 |
| α-helix | 366-384 | 19 | |
| α-helix | 385-387 | 3 | |
| α-helix | 390-392 | 3 | |
| α-helix | 398-412 | 15 | |
| α-helix | 415-421 | 7 | |
| α-helix | 432-445 | 14 | |
| α-helix | 447-449 | 3 | |
| α-helix | 450-465 | 16 | |
| α-helix | 470-472 | 3 | |
| α-helix | 473-480 | 8 | |
| α-helix | 481-485 | 5 | |
| β-strand | 487-488 | 2 | 9 |
| α-helix | 500-502 | 3 | |
| α-helix | 504-507 | 4 | |
| α-helix | 514-532 | 19 | |
| α-helix | 539-541 | 3 | |
| α-helix | 548-558 | 11 | |
| α-helix | 566-574 | 9 | |
| α-helix | 582-587 | 6 | |
| α-helix | 589-598 | 10 | |
| α-helix | 599-601 | 3 | |
| β-strand | 607 | 1 | 8 |
| Element | Residues | Length | Sheet |
|---|---|---|---|
| β-strand | 335 | 1 | 11 |
| α-helix | 339-342 | 4 | |
| β-strand | 349 | 1 | 12 |
| β-strand | 354-358 | 5 | 12 |
| β-strand | 361-362 | 2 | 11 |
| α-helix | 366-369 | 4 | |
| β-strand | 378-380 | 3 | 12 |
| α-helix | 386-389 | 4 | |
| β-strand | 391-392 | 2 | 11 |
| β-strand | 394-403 | 10 | 12 |
| α-helix | 407-409 | 3 | |
| α-helix | 417-421 | 5 | |
| β-strand | 431-437 | 7 | 12 |
| α-helix | 439-442 | 4 | |
| β-strand | 448 | 1 | 13 |
| β-strand | 452-454 | 3 | 14 |
| α-helix | 460-462 | 3 | |
| α-helix | 471-472 | 2 | |
| β-strand | 473-474 | 2 | 15 |
| β-strand | 485 | 1 | 15 |
| β-strand | 488-489 | 2 | 15 |
| β-strand | 492-494 | 3 | 14 |
| β-strand | 497 | 1 | 13 |
| α-helix | 503-505 | 3 | |
| β-strand | 507-516 | 10 | 12 |
| β-strand | 524-525 | 2 | 11 |
| Element | Residues | Length | Sheet |
|---|---|---|---|
| α-helix | 334 | 1 | |
| β-strand | 335 | 1 | 16 |
| α-helix | 336 | 1 | |
| α-helix | 338-340 | 3 | |
| β-strand | 349 | 1 | 17 |
| β-strand | 354-358 | 5 | 17 |
| β-strand | 361-362 | 2 | 16 |
| β-strand | 376-380 | 5 | 17 |
| β-strand | 392 | 1 | 16 |
| β-strand | 395-403 | 9 | 17 |
| α-helix | 407-409 | 3 | |
| α-helix | 417-421 | 5 | |
| β-strand | 431-437 | 7 | 17 |
| α-helix | 439-442 | 4 | |
| β-strand | 448 | 1 | 18 |
| β-strand | 452-454 | 3 | 19 |
| α-helix | 460-462 | 3 | |
| α-helix | 471-472 | 2 | |
| β-strand | 473-474 | 2 | 20 |
| β-strand | 485 | 1 | 20 |
| β-strand | 488-489 | 2 | 20 |
| β-strand | 492-494 | 3 | 19 |
| β-strand | 497 | 1 | 18 |
| α-helix | 503-505 | 3 | |
| β-strand | 507-515 | 9 | 17 |
| β-strand | 524-525 | 2 | 16 |
| Molecule | Chains | Type | Length | Organism | UniProt |
|---|---|---|---|---|---|
| Angiotensin-converting enzyme 2 | A, B | protein | 597 | Homo sapiens | Q9BYF1 (AlphaFold model) |
| Spike protein S1 | E, F | protein | 217 | Severe acute respiratory syndrome coronavirus 2 | P0DTC2 (AlphaFold model) |
>7UFK_1 Angiotensin-converting enzyme 2 (chains A, B) STIEEQAKTFLDKFNHEAEDLFYQSSLASWNYNTNITEENVQNMNNAGDKWSAFLKEQST LAQMYPLQEIQNLTVKLQLQALQQNGSSVLSEDKSKRLNTILNTMSTIYSTGKVCNPDNP QECLLLEPGLNEIMANSLDYNERLWAWESWRSEVGKQLRPLYEEYVVLKNEMARANHYED YGDYWRGDYEVNGVDGYDYSRGQLIEDVEHTFEEIKPLYEHLHAYVRAKLMNAYPSYISP IGCLPAHLLGDMWGRFWTNLYSLTVPFGQKPNIDVTDAMVDQAWDAQRIFKEAEKFFVSV GLPNMTQGFWENSMLTDPGNVQKAVCHPTAWDLGKGDFRILMCTKVTMDDFLTAHHEMGH IQYDMAYAAQPFLLRNGANEGFHEAVGEIMSLSAATPKHLKSIGLLSPDFQEDNETEINF LLKQALTIVGTLPFTYMLEKWRWMVFKGEIPKDQWMKKWWEMKREIVGVVEPVPHDETYC DPASLFHVSNDYSFIRYYTRTLYQFQFQEALCQAAKHEGPLHKCDISNSTEAGQKLFNML RLGKSEPWTLALENVVGAKNMNVRPLLNYFEPLFTWLKDQNKNSFVGWSTDWSPYAD
>7UFK_2 Spike protein S1 (chains E, F) RVVPSGDVVRFPNITNLCPFGEVFNATKFPSVYAWERKKISNCVADYSVLYNSTFFSTFK CYGVSATKLNDLCFSNVYADSFVVKGDDVRQIAPGQTGVIADYNYKLPDDFMGCVLAWNT RNIDATSTGNYNYKYRLFRKSNLKPFERDISTEIYQAGNKPCNGVAGFNCYFPLRSYGFR PTYGVGHQPYRVVVLSFELLNAPATVCGPKLSTDLIK
Water and common crystallization additives (CL, NA, EDO) are not listed.
Structural basis for mouse receptor recognition by SARS-CoV-2 omicron variant. Zhang, W., Shi, K., Geng, Q. et al. Proc Natl Acad Sci U S A (2022) 119:e2206509119-e2206509119. DOI 10.1073/pnas.2206509119 · PubMed
Other PDB entries of the same protein (UniProt Q9BYF1 (AlphaFold model), which also has an AlphaFold model), best resolution first:
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