6V7Y: Human CD1d presenting alpha-Galactosylceramide

Human CD1d presenting alpha-Galactosylceramide in complex with VHH nanobody 1D5. Determined by X-ray diffraction at 2.4 Å resolution. Released 16 Sept 2020.

Method
X-ray diffraction
Resolution
2.4 Å
Organisms
Homo sapiens, Lama glama
Chains
3
Atoms
4,324
Mol. weight
68.11 kDa
Ligands
NAG, AGH
Released
16 Sept 2020

Explore 6V7Y in 3D Show helices and sheets RCSB PDB PDBe

Secondary structure: helices and β-sheets

6V7Y contains 17 α-helices and 42 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 A: 10 helices, 19 β-strands

ElementResiduesLengthSheet
α-helix2-43
β-strand7-1591
β-strand22-2981
β-strand32-3761
β-strand45-4621
α-helix57-8529
α-helix881
α-helix901
β-strand91-102121
β-strand106-115101
β-strand118-12471
β-strand127-13041
α-helix136-14510
α-helix149-1579
α-helix158-1625
α-helix163-17311
α-helix175-1784
β-strand18212
β-strand185-19173
β-strand198-208113
β-strand20912
β-strand214-21854
β-strand22414
β-strand228-22923
β-strand233-23423
β-strand240-249103
β-strand257-26154
α-helix263-2653
β-strand270-27234
Chain B: 2 helices, 11 β-strands
ElementResiduesLengthSheet
β-strand315
β-strand6-1166
β-strand21-30106
β-strand3115
β-strand36-4167
β-strand44-4527
α-helix461
β-strand50-5126
α-helix52-543
β-strand55-5626
β-strand62-7096
β-strand78-8367
β-strand91-9447
Chain F: 5 helices, 12 β-strands
ElementResiduesLengthSheet
β-strand4-748
β-strand11-1339
β-strand18-2478
α-helix29-313
β-strand33-39710
β-strand46-51610
α-helix57-582
β-strand59-60210
β-strand68-7368
β-strand78-8368
α-helix88-903
β-strand92-99810
α-helix106-1083
α-helix111-1133
β-strand116-117210
β-strand121-123310
β-strand124-12639

Molecules and chains

MoleculeChainsTypeLengthOrganismUniProt
Antigen-presenting glycoprotein CD1dAprotein347Homo sapiensP15813 (AlphaFold model)
Beta-2-microglobulinBprotein100Homo sapiensP61769 (AlphaFold model)
Nanobody VHH ID5Fprotein127Lama glama
Sequence of entity 1 (A), FASTA
>6V7Y_1 Antigen-presenting glycoprotein CD1d (chains A)
MQRLFPLRCLQISSFANSSWTRTDGLAWLGELQTHSWSNDSDTVRSLKPWSQGTFSDQQW
ETLQHIFRVYRSSFTRDVKEFAKMLRLSYPLELQVSAGCEVHPGNASNNFFHVAFQGKDI
LSFQGTSWEPTQEAPLWVNLAIQVLNQDKWTRETVQWLLNGTCPQFVSGLLESGKSELKK
QVKPKAWLSRGPSPGPGRLLLVCHVSGFYPKPVWVKWMRGEQEQQGTQPGDILPNADETW
YLRATLDVVAGEAAGLSCRVKHSSLEGQDIVLYWGSLVPRGSGSRIARLEEKVKTLKAQN
SELASTANMLREQVAQLKQKVMNHGSGLNDIFEAQKIEWHEHHHHHH
Sequence of entity 2 (B), FASTA
>6V7Y_2 Beta-2-microglobulin (chains B)
MIQRTPKIQVYSRHPAENGKSNFLNCYVSGFHPSDIEVDLLKNGERIEKVEHSDLSFSKD
WSFYLLYYTEFTPTEKDEYACRVNHVTLSQPKIVKWDRDM
Sequence of entity 3 (F), FASTA
>6V7Y_3 Nanobody VHH ID5 (chains F)
EVQLVESGGGLVQAGGSLRLSCAASGSSFSSYTMGWFRQAPGKEREIVAGIRWSDESPIY
ADSVKGRFTISRDNAKNTLYLQMNSLKPEDTAVYYCAARLVPPGIPIPRTSESMRYWGKG
TLVTVSS

Ligands and cofactors

IDNameFormulaCopies
NAG2-acetamido-2-deoxy-beta-D-glucopyranoseC8 H15 N O62
AGHN-{(1S,2R,3S)-1-[(alpha-D-galactopyranosyloxy)methyl]-2,3-dihydroxyheptadecyl}h…C50 H99 N O91

Water and common crystallization additives (SO4, CL) are not listed.

Primary citation

A single-domain bispecific antibody targeting CD1d and the NKT T-cell receptor induces a potent antitumor response. Shahine, A., Rossjohn, J. Nat Cancer (2020). DOI 10.1038/s43018-020-00111-6

Other PDB entries of the same protein (UniProt P15813 (AlphaFold model), which also has an AlphaFold model), best resolution first:

Browse structure collections

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