5YNI: MERS-CoV nsp16/nsp10 complex

Crystal structure of MERS-CoV nsp16/nsp10 complex bound to SAM and m7GpppG. Determined by X-ray diffraction at 2.07 Å resolution. Released 5 Dec 2018.

Method
X-ray diffraction
Resolution
2.07 Å
Organism
Human betacoronavirus 2c EMC/2012
Chains
2
Atoms
3,432
Mol. weight
49.97 kDa
Ligands
SAM, GTG, ZN
Released
5 Dec 2018

Explore 5YNI in 3D Show helices and sheets RCSB PDB PDBe

Secondary structure: helices and β-sheets

5YNI contains 23 α-helices and 21 β-strands across 2 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: 15 helices, 14 β-strands

ElementResiduesLengthSheet
α-helix2-54
β-strand8-1031
α-helix13-164
α-helix34-363
α-helix42-5413
β-strand66-7051
α-helix80-889
β-strand94-9961
β-strand109-11241
α-helix115-1173
β-strand118-12032
β-strand124-12961
α-helix134-1374
α-helix149-15911
β-strand161-16221
β-strand16313
β-strand164-17181
α-helix178-1836
α-helix184-1863
β-strand187-19591
β-strand204-21181
α-helix221-23414
α-helix242-2443
α-helix252-2532
β-strand259-26023
α-helix264-2663
α-helix269-2768
β-strand281-28223
β-strand290-29232
Chain B: 8 helices, 7 β-strands
ElementResiduesLengthSheet
α-helix12-165
α-helix23-3210
α-helix35-384
β-strand4314
α-helix44-452
β-strand55-5624
β-strand65-6954
α-helix71-733
α-helix75-784
β-strand96-10054
α-helix101-1033
α-helix107-1137
β-strand11615
β-strand12315
β-strand126-12725

Molecules and chains

MoleculeChainsTypeLengthOrganismUniProt
nsp16 proteinAprotein303Human betacoronavirus 2c EMC/2012K0BWD0 (AlphaFold model)
nsp10 proteinBprotein140Human betacoronavirus 2c EMC/2012K4LC41 (AlphaFold model)
Sequence of entity 1 (A), FASTA
>5YNI_1 nsp16 protein (chains A)
ASADWKPGHAMPSLFKVQNVNLERCELANYKQSIPMPRGVHMNIAKYMQLCQYLNTCTLA
VPANMRVIHFGAGSDKGIAPGTSVLRQWLPTDAIIIDNDLNEFVSDADITLFGDCVTVRV
GQQVDLVISDMYDPTTKNVTGSNESKALFFTYLCNLINNNLALGGSVAIKITEHSWSVEL
YELMGKFAWWTVFCTNANASSSEGFLLGINYLGTIKENIDGGAMHANYIFWRNSTPMNLS
TYSLFDLSKFQLKLKGTPVLQLKESQINELVISLLSQGKLLIRDNDTLSVSTDVLVNTYR
KLR
Sequence of entity 2 (B), FASTA
>5YNI_2 nsp10 protein (chains B)
AGSNTEFASNSSVLSLVNFTVDPQKAYLDFVNAGGAPLTNCVKMLTPKTGTGIAISVKPE
STADQETYGGASVCLYCRAHIEHPDVSGVCKYKGKFVQIPAQCVRDPVGFCLSNTPCNVC
QYWIGYGCNCDSLRQAALPQ

Ligands and cofactors

IDNameFormulaCopies
SAMS-adenosylmethionineC15 H22 N6 O5 S1
GTG7-methyl-guanosine-5'-triphosphate-5'-guanosineC21 H30 N10 O18 P31
ZNZinc ionZn2

Primary citation

Structural insights into the molecular mechanism of MERS Coronavirus RNA ribose 2'-O-methylation by nsp16/nsp10 protein complex. Wei, S.M., Yang, L., Ke, Z.H. et al. To be published.

Other PDB entries of the same protein (UniProt K0BWD0 (AlphaFold model), which also has an AlphaFold model), best resolution first:

Browse structure collections

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