SMTL ID : 9jqq.1

Cryo-EM structure of the HMBPP-primed BTN3A1-BTN3A2-BTN2A1 complex

Coordinates

PDB Format Compare

Method

ELECTRON MICROSCOPY

Oligo State

hetero-1-1-2-mer

Ligands

3 x NAG- NAG: 2-acetamido-2-deoxy-beta-D-glucopyranose-(1-4)-2-acetamido-2-deoxy-beta-D-glucopyranose(Post Translational Modification)

NAG-NAG.1: 2 residues within 4Å: Chain C: N.18, H.85 No protein-ligand interaction detected (PLIP) NAG-NAG.2: 5 residues within 4Å: Chain C: N.92, H.111, V.114, Y.143, P.144 No protein-ligand interaction detected (PLIP) NAG-NAG.3: 4 residues within 4Å: Chain C: N.194, N.195, T.196, G.199 No protein-ligand interaction detected (PLIP)

1 x H6P: (2E)-4-hydroxy-3-methylbut-2-en-1-yl trihydrogen diphosphate(Non-covalent)

H6P.4: 13 residues within 4Å: Chain A: W.351, H.352, Y.353, W.392, R.413, R.419, R.470, L.472 Chain C: G.480, V.481, T.482, V.483 Chain D: R.449 10 PLIP interactions: 9 interactions with chain A, 1 interactions with chain C Hydrophobic interactions: A:W.351, A:L.472, A:L.472 Hydrogen bonds: A:H.352, A:Y.353, A:R.470, C:V.483 Salt bridges: A:R.413, A:R.419, A:R.470

4 x NAG: 2-acetamido-2-deoxy-beta-D-glucopyranose(Post Translational Modification)

NAG.5: 1 residues within 4Å: Chain B: N.86 1 PLIP interactions: 1 interactions with chain B Hydrogen bonds: B:N.86 NAG.6: 1 residues within 4Å: Chain C: N.86 1 PLIP interactions: 1 interactions with chain C Hydrogen bonds: C:N.86 NAG.7: 3 residues within 4Å: Chain C: R.187, N.188, F.207 1 PLIP interactions: 1 interactions with chain C Hydrogen bonds: C:R.187 NAG.8: 2 residues within 4Å: Chain D: R.67, N.86 1 PLIP interactions: 1 interactions with chain D Hydrogen bonds: D:N.86

Links

RCSB   PDBe   PDBe-KB   PDBj   PDBsum   CATH   PLIP

Citation

Zhang, M. et al., Structures of butyrophilin multimers reveal a plier-like mechanism for V gamma 9V delta 2 T cell receptor activation. Immunity (2025)

Release Date

2025-06-18

Peptides

Butyrophilin subfamily 3 member A1: A
Butyrophilin subfamily 3 member A2: B
Butyrophilin subfamily 2 member A1: CD

SMTL:PDB

SMTL Chain Id:
PDB Chain Id:

A
A

B
B

C
E

D
F

Membrane

We predict this structure to be a membrane protein.
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Butyrophilin subfamily 3 member A1

Butyrophilin subfamily 3 member A2

Butyrophilin subfamily 2 member A1

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