SMTL ID : 7r0e.1

Early transcription elongation state of influenza A/H7N9 polymerase backtracked due to double incoproation of nucleotide analogue T1106 and with singly incoporated T1106 at the +1 position

Coordinates

PDB Format

Method

ELECTRON MICROSCOPY

Oligo State

hetero-1-1-1-mer

Ligands

2 x MG: MAGNESIUM ION(Non-covalent)

MG.1: 3 residues within 4Å: Chain A: H.42, E.81, D.109 2 PLIP interactions: 2 interactions with chain A Metal complexes: A:E.81, A:D.109 MG.2: 4 residues within 4Å: Chain B: G.304, D.305, D.446, E.491 5 PLIP interactions: 3 interactions with chain B, 2 Ligand-Water interactions Metal complexes: B:D.305, B:D.446, B:D.446, H2O.2, H2O.3

1 x GTA: P1-7-METHYLGUANOSINE-P3-ADENOSINE-5',5'-TRIPHOSPHATE(Non-covalent)

GTA.3: 20 residues within 4Å: Chain C: I.260, R.264, E.304, Q.306, F.323, S.324, F.325, R.355, H.357, E.361, F.363, K.376, F.404, Q.406, N.429, M.431, H.432, S.519, T.521 Chain D: A.1 21 PLIP interactions: 21 interactions with chain C Hydrogen bonds: C:E.304, C:E.304, C:E.304, C:Q.306, C:R.332, C:H.357, C:N.429, C:N.429, C:S.519, C:T.521, C:T.521 Salt bridges: C:R.264, C:R.264, C:R.355, C:E.361, C:H.432, C:H.432, C:H.432 pi-Stacking: C:H.357, C:H.357 pi-Cation interactions: C:H.357

Links

RCSB   PDBe   PDBe-KB   PDBj   PDBsum   CATH   PLIP

Citation

Kouba, T. et al., Direct observation of backtracking by influenza A and B polymerases upon consecutive incorporation of the nucleoside analog T1106. Cell Rep (2023)

Release Date

2022-12-28

Peptides

Polymerase acidic protein: A
RNA-directed RNA polymerase catalytic subunit: B
Polymerase basic protein 2: C

SMTL:PDB

SMTL Chain Id:
PDB Chain Id:

A
A

B
B

C
C

Polymerase acidic protein

RNA-directed RNA polymerase catalytic subunit

Polymerase basic protein 2

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