6W4H: 2'-O-methyltransferase

1.80 Angstrom Resolution Crystal Structure of NSP16 - NSP10 Complex from SARS-CoV-2. Determined by X-ray diffraction at 1.8 Å resolution. Released 18 Mar 2020.

Method
X-ray diffraction
Resolution
1.8 Å
Organism
Severe acute respiratory syndrome coronavirus 2
Chains
2
Atoms
4,073
Mol. weight
49.79 kDa
Ligands
SO3, SAM, BDF, ZN
Released
18 Mar 2020

Explore 6W4H in 3D Show helices and sheets RCSB PDB PDBe

Secondary structure: helices and β-sheets

6W4H contains 27 α-helices and 23 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: 19 helices, 16 β-strands

ElementResiduesLengthSheet
α-helix6800-68034
β-strand6806-680831
α-helix6809-68102
α-helix6811-68144
α-helix6818-68203
α-helix6834-68352
α-helix6840-685213
β-strand6864-686851
β-strand687612
α-helix6878-68869
α-helix68881
β-strand6892-689761
β-strand690212
β-strand6907-691041
α-helix6913-69153
β-strand6916-691833
β-strand6922-692761
α-helix6932-69343
α-helix6942-69443
α-helix6947-695812
β-strand6959-696021
β-strand696114
β-strand6962-696981
α-helix6976-69827
β-strand6985-699391
α-helix6994-69963
β-strand7002-700981
α-helix7019-703214
α-helix7040-70434
α-helix7050-70512
β-strand7056-705834
α-helix7062-70643
α-helix7067-70748
β-strand7078-708034
β-strand7088-709033
Chain B: 8 helices, 7 β-strands
ElementResiduesLengthSheet
α-helix4276-428510
α-helix4288-42914
β-strand429615
α-helix4297-42982
β-strand4308-430925
β-strand4318-432255
α-helix4324-43263
α-helix4328-43325
α-helix4339-43413
β-strand4349-435355
α-helix4354-43563
α-helix4360-43667
β-strand436916
β-strand4376-437726
β-strand4379-438136

Molecules and chains

MoleculeChainsTypeLengthOrganismUniProt
2'-O-methyltransferaseAprotein301Severe acute respiratory syndrome coronavirus 2P0DTD1 (AlphaFold model)
Non-structural protein 10Bprotein142Severe acute respiratory syndrome coronavirus 2P0DTD1 (AlphaFold model)
Sequence of entity 1 (A), FASTA
>6W4H_1 2'-O-methyltransferase (chains A)
SNASSQAWQPGVAMPNLYKMQRMLLEKCDLQNYGDSATLPKGIMMNVAKYTQLCQYLNTL
TLAVPYNMRVIHFGAGSDKGVAPGTAVLRQWLPTGTLLVDSDLNDFVSDADSTLIGDCAT
VHTANKWDLIISDMYDPKTKNVTKENDSKEGFFTYICGFIQQKLALGGSVAIKITEHSWN
ADLYKLMGHFAWWTAFVTNVNASSSEAFLIGCNYLGKPREQIDGYVMHANYIFWRNTNPI
QLSSYSLFDMSKFPLKLRGTAVMSLKEGQINDMILSLLSKGRLIIRENNRVVISSDVLVN
N
Sequence of entity 2 (B), FASTA
>6W4H_2 Non-structural protein 10 (chains B)
SNAAGNATEVPANSTVLSFCAFAVDAAKAYKDYLASGGQPITNCVKMLCTHTGTGQAITV
TPEANMDQESFGGASCCLYCRCHIDHPNPKGFCDLKGKYVQIPTTCANDPVGFTLKNTVC
TVCGMWKGYGCSCDQLREPMLQ

Ligands and cofactors

IDNameFormulaCopies
SO3Sulfite ionO3 S1
SAMS-adenosylmethionineC15 H22 N6 O5 S1
BDFbeta-D-fructopyranoseC6 H12 O62
ZNZinc ionZn2

Water and common crystallization additives (ACT) are not listed.

Primary citation

High-resolution structures of the SARS-CoV-2 2'- O -methyltransferase reveal strategies for structure-based inhibitor design. Rosas-Lemus, M., Minasov, G., Shuvalova, L. et al. Sci Signal (2020) 13. DOI 10.1126/scisignal.abe1202 · PubMed

Other PDB entries of the same protein (UniProt P0DTD1 (AlphaFold model), which also has an AlphaFold model), best resolution first:

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