4MDS: 3C-like proteinase

Discovery of N-(benzo[1,2,3]triazol-1-yl)-N-(benzyl)acetamido)phenyl) carboxamides as severe acute respiratory syndrome coronavirus (SARS-CoV) 3CLpro inhibitors: identification of ML300 and non-covalent nanomolar inhibitors with an induced-fit binding. Determined by X-ray diffraction at 1.6 Å resolution. Released 2 Oct 2013.

Method
X-ray diffraction
Resolution
1.6 Å
Organism
SARS coronavirus
Chains
1
Atoms
2,868
Mol. weight
34.14 kDa
Ligands
23H
Released
2 Oct 2013

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

Secondary structure: helices and β-sheets

4MDS contains 16 α-helices and 19 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: 16 helices, 19 β-strands

ElementResiduesLengthSheet
α-helix7-93
α-helix11-144
β-strand17-2261
β-strand25-3281
β-strand35-3951
α-helix40-434
α-helix48-503
α-helix54-596
α-helix63-653
β-strand66-7051
β-strand73-7531
β-strand77-8371
β-strand86-9161
α-helix98-992
β-strand100-10342
α-helix105-1073
β-strand111-11882
β-strand121-12992
β-strand13612
β-strand148-15362
β-strand156-166112
β-strand172-17542
α-helix1801
β-strand18112
β-strand19913
α-helix201-21414
α-helix227-23610
β-strand23913
α-helix240-2423
α-helix244-2496
α-helix251-2577
α-helix261-27414
β-strand28114
β-strand28414
α-helix293-3008

Molecules and chains

MoleculeChainsTypeLengthOrganismUniProt
3C-like proteinaseAprotein303SARS coronavirusP0C6U8
Sequence of entity 1 (A), FASTA
>4MDS_1 3C-like proteinase (chains A)
SGFRKMAFPSGKVEGCMVQVTCGTTTLNGLWLDDTVYCPRHVICTAEDMLNPNYEDLLIR
KSNHSFLVQAGNVQLRVIGHSMQNCLLRLKVDTSNPKTPKYKFVRIQPGQTFSVLACYNG
SPSGVYQCAMRPNHTIKGSFLNGSCGSVGFNIDYDCVSFCYMHHMELPTGVHAGTDLEGK
FYGPFVDRQTAQAAGTDTTITLNVLAWLYAAVINGDRWFLNRFTTTLNDFNLVAMKYNYE
PLTQDHVDILGPLSAQTGIAVLDMCAALKELLQNGMNGRTILGSTILEDEFTPFDVVRQC
SGA

Ligands and cofactors

IDNameFormulaCopies
23HN-[4-(acetylamino)phenyl]-2-(1H-benzotriazol-1-yl)-N-[(1R)-2-[(2-methylbutan-2-…C28 H33 N7 O31

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

Primary citation

Discovery of N-(benzo[1,2,3]triazol-1-yl)-N-(benzyl)acetamido)phenyl) carboxamides as severe acute respiratory syndrome coronavirus (SARS-CoV) 3CLpro inhibitors: Identification of ML300 and noncovalent nanomolar inhibitors with an induced-fit binding. Turlington, M., Chun, A., Tomar, S. et al. Bioorg Med Chem Lett (2013) 23:6172-6177. DOI 10.1016/j.bmcl.2013.08.112 · PubMed

Other PDB entries of the same protein (UniProt P0C6U8), best resolution first:

Browse structure collections

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