Ternary crystal structure of the human NKT TCR-CD1d-4'deoxy-alpha-galactosylceramide complex. Determined by X-ray diffraction at 2.94 Å resolution. Released 3 Oct 2012.
Explore 3VWK in 3D Show helices and sheets RCSB PDB PDBe
3VWK contains 20 α-helices and 75 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 |
|---|---|---|---|
| β-strand | 10-18 | 9 | 1 |
| β-strand | 24-32 | 9 | 1 |
| β-strand | 35-40 | 6 | 1 |
| α-helix | 47 | 1 | |
| β-strand | 48-49 | 2 | 1 |
| α-helix | 60-87 | 28 | |
| β-strand | 94-102 | 9 | 1 |
| β-strand | 112-118 | 7 | 1 |
| β-strand | 121-127 | 7 | 1 |
| β-strand | 130-133 | 4 | 1 |
| α-helix | 140-148 | 9 | |
| α-helix | 152-160 | 9 | |
| α-helix | 161-165 | 5 | |
| α-helix | 166-174 | 9 | |
| α-helix | 178-181 | 4 | |
| β-strand | 185 | 1 | 2 |
| β-strand | 188-193 | 6 | 3 |
| β-strand | 203-211 | 9 | 3 |
| β-strand | 212 | 1 | 2 |
| β-strand | 217-220 | 4 | 4 |
| β-strand | 231-232 | 2 | 3 |
| β-strand | 236-237 | 2 | 3 |
| β-strand | 243-250 | 8 | 3 |
| β-strand | 260-264 | 5 | 4 |
| β-strand | 273-276 | 4 | 4 |
| 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 | 35-41 | 7 | 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 | 78-84 | 7 | 7 |
| β-strand | 91-94 | 4 | 7 |
| Element | Residues | Length | Sheet |
|---|---|---|---|
| β-strand | 3-6 | 4 | 8 |
| β-strand | 9-13 | 5 | 9 |
| β-strand | 18-24 | 7 | 8 |
| β-strand | 31-37 | 7 | 9 |
| β-strand | 44-50 | 7 | 9 |
| β-strand | 55-58 | 4 | 8 |
| β-strand | 62-67 | 6 | 8 |
| α-helix | 68-70 | 3 | |
| β-strand | 72-77 | 6 | 8 |
| α-helix | 78 | 1 | |
| α-helix | 82-84 | 3 | |
| β-strand | 86-93 | 8 | 9 |
| β-strand | 104-106 | 3 | 9 |
| β-strand | 110-115 | 6 | 9 |
| β-strand | 124-128 | 5 | 10 |
| β-strand | 129 | 1 | 11 |
| β-strand | 138-144 | 7 | 10 |
| β-strand | 158-160 | 3 | 10 |
| α-helix | 161-163 | 3 | |
| β-strand | 164-168 | 5 | 10 |
| α-helix | 169-171 | 3 | |
| β-strand | 173-182 | 10 | 10 |
| β-strand | 203 | 1 | 10 |
| Element | Residues | Length | Sheet |
|---|---|---|---|
| β-strand | 4-7 | 4 | 12 |
| β-strand | 10-14 | 5 | 13 |
| β-strand | 19-21 | 3 | 14 |
| β-strand | 22-25 | 4 | 12 |
| β-strand | 32-37 | 6 | 13 |
| β-strand | 44-49 | 6 | 13 |
| β-strand | 56-57 | 2 | 13 |
| β-strand | 65-67 | 3 | 14 |
| β-strand | 71 | 1 | 12 |
| β-strand | 74 | 1 | 12 |
| β-strand | 77-79 | 3 | 14 |
| α-helix | 84-86 | 3 | |
| β-strand | 88-97 | 10 | 13 |
| β-strand | 103-108 | 5 | 13 |
| β-strand | 112-117 | 6 | 13 |
| α-helix | 120-122 | 3 | |
| β-strand | 124 | 1 | 15 |
| β-strand | 127-131 | 5 | 16 |
| β-strand | 132 | 1 | 11 |
| α-helix | 135-141 | 7 | |
| β-strand | 143-153 | 11 | 16 |
| β-strand | 154 | 1 | 15 |
| β-strand | 158-164 | 7 | 17 |
| β-strand | 168 | 1 | 17 |
| β-strand | 173-175 | 3 | 16 |
| α-helix | 179 | 1 | |
| β-strand | 180-181 | 2 | 16 |
| β-strand | 191-200 | 10 | 16 |
| α-helix | 201-204 | 4 | |
| β-strand | 210-217 | 8 | 17 |
| β-strand | 220 | 1 | 18 |
| α-helix | 231-232 | 2 | |
| β-strand | 234 | 1 | 18 |
| β-strand | 236-243 | 8 | 17 |
| Molecule | Chains | Type | Length | Organism | UniProt |
|---|---|---|---|---|---|
| Antigen-presenting glycoprotein CD1d | A | protein | 284 | Homo sapiens | P15813 (AlphaFold model) |
| Beta-2-microglobulin | B | protein | 99 | Homo sapiens | P61769 (AlphaFold model) |
| NKT15 T cell receptor alpha-chain | C | protein | 209 | Homo sapiens | |
| NKT15 T cell receptor beta-chain | D | protein | 246 | Homo sapiens |
>3VWK_1 Antigen-presenting glycoprotein CD1d (chains A) SPGVPQRLFPLRCLQISSFANSSWTRTDGLAWLGELQTHSWSNDSDTVRSLKPWSQGTFS DQQWETLQHIFRVYRSSFTRDVKEFAKMLRLSYPLELQVSAGCEVHPGNASNNFFHVAFQ GKDILSFQGTSWEPTQEAPLWVNLAIQVLNQDKWTRETVQWLLNGTCPQFVSGLLESGKS ELKKQVKPKAWLSRGPSPGPGRLLLVCHVSGFYPKPVWVKWMRGEQEQQGTQPGDILPNA DETWYLRATLDVVAGEAAGLSCRVKHSSLEGQDIVLYWHHHHHH
>3VWK_2 Beta-2-microglobulin (chains B) IQRTPKIQVYSRHPAENGKSNFLNCYVSGFHPSDIEVDLLKNGERIEKVEHSDLSFSKDW SFYLLYYTEFTPTEKDEYACRVNHVTLSQPKIVKWDRDM
>3VWK_3 NKT15 T cell receptor alpha-chain (chains C) MKNQVEQSPQSLIILEGKNCTLQCNYTVSPFSNLRWYKQDTGRGPVSLTIMTFSENTKSN GRYTATLDADTKQSSLHITASQLSDSASYICVVSDRGSTLGRLYFGRGTQLTVWPDIQNP DPAVYQLRDSKSSDKSVCLFTDFDSQTNVSQSKDSDVYITDKCVLDMRSMDFKSNSAVAW SNKSDFACANAFNNSIIPEDTFFPSPESS
>3VWK_4 NKT15 T cell receptor beta-chain (chains D) MEADIYQTPRYLVIGTGKKITLECSQTMGHDKMYWYQQDPGMELHLIHYSYGVNSTEKGD LSSESTVSRIRTEHFPLTLESARPSHTSQYLCASSGLRDRGLYEQYFGPGTRLTVTEDLK NVFPPEVAVFEPSEAEISHTQKATLVCLATGFYPDHVELSWWVNGKEVHSGVCTDPQPLK EQPALNDSRYALSSRLRVSATFWQNPRNHFRCQVQFYGLSENDEWTQDRAKPVTQIVSAE AWGRAD
| ID | Name | Formula | Copies |
|---|---|---|---|
| MG | Magnesium ion | Mg | 1 |
| 4GH | N-{(2S,3R)-1-[(4-deoxy-alpha-D-xylo-hexopyranosyl)oxy]-3-hydroxyoctadecan-2-yl}… | C50 H99 N O7 | 1 |
| NAG | 2-acetamido-2-deoxy-beta-D-glucopyranose | C8 H15 N O6 | 2 |
Human and mouse type I natural killer T cell antigen receptors exhibit different fine specificities for CD1d-antigen complex. Wun, K.S., Ross, F., Patel, O. et al. J Biol Chem (2012) 287:39139-39148. DOI 10.1074/jbc.M112.412320 · PubMed
Other PDB entries of the same protein (UniProt P15813 (AlphaFold model), which also has an AlphaFold model), best resolution first:
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