3VWK: Antigen-presenting glycoprotein CD1d

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.

Method
X-ray diffraction
Resolution
2.94 Å
Organism
Homo sapiens
Chains
4
Atoms
6,108
Mol. weight
96.63 kDa
Ligands
MG, 4GH, NAG
Released
3 Oct 2012

Explore 3VWK in 3D Show helices and sheets RCSB PDB PDBe

Secondary structure: helices and β-sheets

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.

Chain A: 7 helices, 18 β-strands

ElementResiduesLengthSheet
β-strand10-1891
β-strand24-3291
β-strand35-4061
α-helix471
β-strand48-4921
α-helix60-8728
β-strand94-10291
β-strand112-11871
β-strand121-12771
β-strand130-13341
α-helix140-1489
α-helix152-1609
α-helix161-1655
α-helix166-1749
α-helix178-1814
β-strand18512
β-strand188-19363
β-strand203-21193
β-strand21212
β-strand217-22044
β-strand231-23223
β-strand236-23723
β-strand243-25083
β-strand260-26454
β-strand273-27644
Chain B: 2 helices, 11 β-strands
ElementResiduesLengthSheet
β-strand315
α-helix4-52
β-strand6-1166
β-strand21-30106
β-strand3115
β-strand35-4177
β-strand44-4527
β-strand50-5126
α-helix52-543
β-strand55-5626
β-strand62-7096
β-strand78-8477
β-strand91-9447
Chain C: 5 helices, 18 β-strands
ElementResiduesLengthSheet
β-strand3-648
β-strand9-1359
β-strand18-2478
β-strand31-3779
β-strand44-5079
β-strand55-5848
β-strand62-6768
α-helix68-703
β-strand72-7768
α-helix781
α-helix82-843
β-strand86-9389
β-strand104-10639
β-strand110-11569
β-strand124-128510
β-strand129111
β-strand138-144710
β-strand158-160310
α-helix161-1633
β-strand164-168510
α-helix169-1713
β-strand173-1821010
β-strand203110
Chain D: 6 helices, 28 β-strands
ElementResiduesLengthSheet
β-strand4-7412
β-strand10-14513
β-strand19-21314
β-strand22-25412
β-strand32-37613
β-strand44-49613
β-strand56-57213
β-strand65-67314
β-strand71112
β-strand74112
β-strand77-79314
α-helix84-863
β-strand88-971013
β-strand103-108513
β-strand112-117613
α-helix120-1223
β-strand124115
β-strand127-131516
β-strand132111
α-helix135-1417
β-strand143-1531116
β-strand154115
β-strand158-164717
β-strand168117
β-strand173-175316
α-helix1791
β-strand180-181216
β-strand191-2001016
α-helix201-2044
β-strand210-217817
β-strand220118
α-helix231-2322
β-strand234118
β-strand236-243817

Molecules and chains

MoleculeChainsTypeLengthOrganismUniProt
Antigen-presenting glycoprotein CD1dAprotein284Homo sapiensP15813 (AlphaFold model)
Beta-2-microglobulinBprotein99Homo sapiensP61769 (AlphaFold model)
NKT15 T cell receptor alpha-chainCprotein209Homo sapiens
NKT15 T cell receptor beta-chainDprotein246Homo sapiens
Sequence of entity 1 (A), FASTA
>3VWK_1 Antigen-presenting glycoprotein CD1d (chains A)
SPGVPQRLFPLRCLQISSFANSSWTRTDGLAWLGELQTHSWSNDSDTVRSLKPWSQGTFS
DQQWETLQHIFRVYRSSFTRDVKEFAKMLRLSYPLELQVSAGCEVHPGNASNNFFHVAFQ
GKDILSFQGTSWEPTQEAPLWVNLAIQVLNQDKWTRETVQWLLNGTCPQFVSGLLESGKS
ELKKQVKPKAWLSRGPSPGPGRLLLVCHVSGFYPKPVWVKWMRGEQEQQGTQPGDILPNA
DETWYLRATLDVVAGEAAGLSCRVKHSSLEGQDIVLYWHHHHHH
Sequence of entity 2 (B), FASTA
>3VWK_2 Beta-2-microglobulin (chains B)
IQRTPKIQVYSRHPAENGKSNFLNCYVSGFHPSDIEVDLLKNGERIEKVEHSDLSFSKDW
SFYLLYYTEFTPTEKDEYACRVNHVTLSQPKIVKWDRDM
Sequence of entity 3 (C), FASTA
>3VWK_3 NKT15 T cell receptor alpha-chain (chains C)
MKNQVEQSPQSLIILEGKNCTLQCNYTVSPFSNLRWYKQDTGRGPVSLTIMTFSENTKSN
GRYTATLDADTKQSSLHITASQLSDSASYICVVSDRGSTLGRLYFGRGTQLTVWPDIQNP
DPAVYQLRDSKSSDKSVCLFTDFDSQTNVSQSKDSDVYITDKCVLDMRSMDFKSNSAVAW
SNKSDFACANAFNNSIIPEDTFFPSPESS
Sequence of entity 4 (D), FASTA
>3VWK_4 NKT15 T cell receptor beta-chain (chains D)
MEADIYQTPRYLVIGTGKKITLECSQTMGHDKMYWYQQDPGMELHLIHYSYGVNSTEKGD
LSSESTVSRIRTEHFPLTLESARPSHTSQYLCASSGLRDRGLYEQYFGPGTRLTVTEDLK
NVFPPEVAVFEPSEAEISHTQKATLVCLATGFYPDHVELSWWVNGKEVHSGVCTDPQPLK
EQPALNDSRYALSSRLRVSATFWQNPRNHFRCQVQFYGLSENDEWTQDRAKPVTQIVSAE
AWGRAD

Ligands and cofactors

IDNameFormulaCopies
MGMagnesium ionMg1
4GHN-{(2S,3R)-1-[(4-deoxy-alpha-D-xylo-hexopyranosyl)oxy]-3-hydroxyoctadecan-2-yl}…C50 H99 N O71
NAG2-acetamido-2-deoxy-beta-D-glucopyranoseC8 H15 N O62

Primary citation

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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