SMTL ID : 9fo7.1

Cryo-EM structure of the BcsE2F2 regulatory subcomplex from the E. coli Bcs macrocomplex for cellulose secretion (local refinement)

Coordinates

PDB Format Compare

Method

ELECTRON MICROSCOPY

Oligo State

hetero-2-2-mer

Ligands

4 x C2E: 9,9'-[(2R,3R,3aS,5S,7aR,9R,10R,10aS,12S,14aR)-3,5,10,12-tetrahydroxy-5,12-dioxidooctahydro-2H,7H-difuro[3,2-d:3',2'-j][1,3,7,9,2,8]tetraoxadiphosphacyclododecine-2,9-diyl]bis(2-amino-1,9-dihydro-6H-purin-6-one)(Non-covalent)

C2E.1: 13 residues within 4Å: Chain A: L.318, R.319, A.320, R.428, D.431, L.444, S.445, C.447, D.451, T.454, A.455, H.458 Ligands: C2E.2 10 PLIP interactions: 10 interactions with chain A Hydrogen bonds: A:R.319, A:A.320, A:R.428, A:S.445, A:R.448, A:T.454 Salt bridges: A:R.428, A:D.431, A:H.458 pi-Cation interactions: A:R.428 C2E.2: 10 residues within 4Å: Chain A: N.286, S.317, L.318, R.319, D.322, N.427, R.428, T.429, H.458 Ligands: C2E.1 8 PLIP interactions: 8 interactions with chain A Hydrogen bonds: A:N.286, A:R.319, A:N.427, A:R.428, A:T.429 Salt bridges: A:R.319, A:D.322 pi-Cation interactions: A:R.319 C2E.3: 14 residues within 4Å: Chain B: L.318, R.319, A.320, R.428, D.431, L.444, S.445, F.446, C.447, D.451, T.454, A.455, H.458 Ligands: C2E.4 10 PLIP interactions: 10 interactions with chain B Hydrogen bonds: B:R.319, B:A.320, B:R.428, B:S.445, B:F.446 Salt bridges: B:R.428, B:D.431, B:H.458 pi-Cation interactions: B:R.428, B:R.428 C2E.4: 10 residues within 4Å: Chain B: N.286, S.317, L.318, R.319, D.322, N.427, R.428, H.458, R.516 Ligands: C2E.3 7 PLIP interactions: 7 interactions with chain B Hydrogen bonds: B:R.319, B:R.428, B:R.516 Salt bridges: B:R.319, B:D.322, B:R.516 pi-Cation interactions: B:R.319

Links

RCSB   PDBe   PDBe-KB   PDBj   PDBsum   CATH   PLIP

Citation

Anso, I. et al., Structural basis for synthase activation and cellulose modification in the E. coli Type II Bcs secretion system. Nat Commun (2024)

Release Date

2024-10-16

Peptides

Cyclic di-GMP binding protein BcsE: AB
Cellulose biosynthesis protein BcsF: CD

SMTL:PDB

SMTL Chain Id:
PDB Chain Id:

A
E

B
U

C
F

D
S

Membrane

We predict this structure to be a membrane protein.
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Cyclic di-GMP binding protein BcsE

Cellulose biosynthesis protein BcsF

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