4X2X: NS6 protease

Crystal structure of the Murine Norovirus NS6 protease (inactive C139A mutant) with a C-terminal extension to include residues P1 prime - P4 prime of NS7. Determined by X-ray diffraction at 2.47 Å resolution. Released 18 Feb 2015.

Method
X-ray diffraction
Resolution
2.47 Å
Organism
Murine norovirus 1
Chains
1
Atoms
1,244
Mol. weight
18.44 kDa
Released
18 Feb 2015

Explore 4X2X in 3D Show helices and sheets RCSB PDB PDBe

Secondary structure: helices and β-sheets

4X2X contains 7 α-helices and 14 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: 7 helices, 14 β-strands

ElementResiduesLengthSheet
α-helix5-84
β-strand9-1241
β-strand15-1951
β-strand24-2851
α-helix29-313
α-helix33-342
β-strand3912
β-strand4212
β-strand47-5261
β-strand55-6061
α-helix69-713
β-strand72-7323
β-strand82-8873
β-strand94-109163
β-strand112-121103
α-helix122-1232
α-helix136-1383
α-helix1411
β-strand142-14763
β-strand150-160113
β-strand166-17053

Molecules and chains

MoleculeChainsTypeLengthOrganismUniProt
NS6 proteaseAprotein176Murine norovirus 1Q80J95 (AlphaFold model)
Sequence of entity 1 (A), FASTA
>4X2X_1 NS6 protease (chains A)
SIWSRVVQFGTGWGFWVSGHVFITAKHVAPPKGTEIFGRKPGDFTVTSSGDFLKYYFTSA
VRPDIPAMVLENGCQEGVVASVLVKRASGEMLALAVRMGSQAAIKIGSAVVHGQTGMLLT
GSNAKAQDLGTIPGDAGCPYVYKKGNTWVVIGVHVAATRSGNTVIAATHGEPTLEA

Primary citation

Structure determination of Murine Norovirus NS6 proteases with C-terminal extensions designed to probe protease-substrate interactions. Fernandes, H., Leen, E.N., Cromwell, H. et al. PeerJ (2015) 3:e798-e798. DOI 10.7717/peerj.798 · PubMed

Other PDB entries of the same protein (UniProt Q80J95 (AlphaFold model), which also has an AlphaFold model), best resolution first:

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