3A7B: PDB entry 3A7B

Crystal structure of TLR2-Streptococcus Pneumoniae lipoteichoic acid complex. Determined by X-ray diffraction at 2.53 Å resolution. Released 24 Nov 2009.

Method
X-ray diffraction
Resolution
2.53 Å
Organisms
Mus musculus, Eptatretus burgeri
Chains
1
Atoms
4,720
Mol. weight
66.96 kDa
Ligands
NAG, LTC
Released
24 Nov 2009

Explore 3A7B in 3D Show helices and sheets RCSB PDB PDBe

Secondary structure: helices and β-sheets

3A7B contains 15 α-helices and 35 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: 15 helices, 35 β-strands

ElementResiduesLengthSheet
β-strand29-3021
β-strand35-3731
β-strand56-5831
β-strand66-6722
β-strand80-8231
β-strand90-9122
β-strand104-10631
α-helix117-1204
β-strand128-13031
β-strand153-15861
β-strand164-16523
β-strand175-18391
β-strand188-18923
α-helix194-1963
β-strand199-20681
α-helix213-2208
β-strand224-23071
β-strand23314
β-strand253-25641
β-strand260-26124
α-helix263-2708
α-helix271-2755
β-strand281-28441
β-strand288-28924
β-strand311-31551
β-strand31814
α-helix329-3357
β-strand340-34451
α-helix353-3586
β-strand364-36631
α-helix374-3807
β-strand391-39331
α-helix402-4098
β-strand417-41931
α-helix425-4284
β-strand440-44231
β-strand461-46331
β-strand481-48331
α-helix492-4943
α-helix495-4973
β-strand503-50531
α-helix518-5214
β-strand527-52931
β-strand53515
α-helix543-5508
β-strand556-55721
α-helix5601
β-strand56116
β-strand56215
β-strand56816

Molecules and chains

MoleculeChainsTypeLengthOrganismUniProt
Toll-like receptor 2, Variable lymphocyte receptor BAprotein580Mus musculus, Eptatretus burgeriQ4G1L2 (AlphaFold model), Q9QUN7 (AlphaFold model)
Sequence of entity 1 (A), FASTA
>3A7B_1 Toll-like receptor 2, Variable lymphocyte receptor B (chains A)
MLRALWLFWILVAITVLFSKRCSAQESLSCDASGVCDGRSRSFTSIPSGLTAAMKSLDLS
FNKITYIGHGDLRACANLQVLILKSSRINTIEGDAFYSLGSLEHLDLSDNHLSSLSSSWF
GPLSSLKYLNLMGNPYQTLGVTSLFPNLTNLQTLRIGNVETFSEIRRIDFAGLTSLNELE
IKALSLRNYQSQSLKSIRDIHHLTLHLSESAFLLEIFADILSSVRYLELRDTNLARFQFS
PLPVDEVSSPMKKLAFRGSVLTDESFNELLKLLRYILELSEVEFDDCTLNGLGDFNPSES
DVVSELGKVETVTIRRLHIPQFYLFYDLSTVYSLLEKVKRITVENSKVFLVPCSFSQHLK
SLEFLDLSENLMVEEYLKNSACKGAWPSLQTLVLSQNHLRSMQKTGEILLTLKNLTSLDI
SRNTFHPMPDSCQWPEKMRFLNLSSTGIRVVKTCIPQTLEVLDVSNNNLDSFSLFLPRLQ
ELYISRNKLKTLPDASLFPVLLVMKIASNQLKSVPDGIFDRLTSLQKIWLHTNPWDCSCP
RIDYLSRWLNKNSQKEQGSAKCSGSGKPVRSIICPTLVPR

Ligands and cofactors

IDNameFormulaCopies
NAG2-acetamido-2-deoxy-beta-D-glucopyranoseC8 H15 N O61
LTC(2S)-1-({3-O-[2-(acetylamino)-4-amino-2,4,6-trideoxy-beta-D-galactopyranosyl]-a…C39 H70 N2 O131

Primary citation

Recognition of lipopeptide patterns by Toll-like receptor 2-Toll-like receptor 6 heterodimer. Kang, J.Y., Nan, X., Jin, M.S. et al. Immunity (2009) 31:873-884. DOI 10.1016/j.immuni.2009.09.018 · PubMed

Other PDB entries of the same protein (UniProt Q4G1L2 (AlphaFold model), which also has an AlphaFold model), best resolution first:

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