4F8Q: Human BTN3A2 Ectodomain

Crystal Structure of the Human BTN3A2 Ectodomain. Determined by X-ray diffraction at 2.38 Å resolution. Released 8 Aug 2012.

Method
X-ray diffraction
Resolution
2.38 Å
Organism
Homo sapiens
Chains
1
Atoms
1,646
Mol. weight
23.64 kDa
Released
8 Aug 2012

Explore 4F8Q in 3D Show helices and sheets RCSB PDB PDBe

Secondary structure: helices and β-sheets

4F8Q contains 8 α-helices and 21 β-strands across 1 chain. 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: 8 helices, 21 β-strands

ElementResiduesLengthSheet
β-strand3-531
β-strand11-1442
β-strand19-2681
β-strand35-4062
β-strand45-5172
β-strand54-5522
α-helix57-593
α-helix62-643
β-strand68-7141
α-helix75-773
β-strand79-8461
α-helix89-913
β-strand93-10192
β-strand104-115122
β-strand11613
α-helix119-1213
β-strand122-12984
β-strand132-142114
β-strand14313
α-helix145-1462
β-strand147-15155
β-strand15815
β-strand161-16224
α-helix163-1653
β-strand166-16724
β-strand173-18194
β-strand188-19585
β-strand200-20785
α-helix210-2134

Molecules and chains

MoleculeChainsTypeLengthOrganismUniProt
Butyrophilin subfamily 3 member A2Aprotein219Homo sapiensP78410 (AlphaFold model)
Sequence of entity 1 (A), FASTA
>4F8Q_1 Butyrophilin subfamily 3 member A2 (chains A)
ADLQFSVLGPSGPILAMVGEDADLPCHLFPTMSAETMELKWVSSSLRQVVNVYADGKEVE
DRQSAPYRGRTSILRDGITAGKAALRIHNVTASDSGKYLCYFQDGDFYEKALVELKVAAL
GSNLHVEVKGYEDGGIHLECRSTGWYPQPQIQWSNAKGENIPAVEAPVVADGVGLYEVAA
SVIMRGGSGEGVSCIIRNSLLGLEKTASISIADHHHHHH

Primary citation

The molecular basis for modulation of human V(gamma)9V(delta)2 T cell responses by CD277/Butyrophilin-3 (BTN3A)-specific antibodies. Palakodeti, A., Sandstrom, A., Sundaresan, L. et al. J Biol Chem (2012) 287:32780-32790. DOI 10.1074/jbc.M112.384354 · PubMed

Other PDB entries of the same protein (UniProt P78410 (AlphaFold model), which also has an AlphaFold model), best resolution first:

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