SMTL ID : 9fp2.1

Cryo-EM structure of the BcsEFRQ regulatory subcomplex for E. coli cellulose secretion in non-saturating c-di-GMP (local)

Coordinates

PDB Format Compare

Method

ELECTRON MICROSCOPY

Oligo State

hetero-2-2-2-2-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: 11 residues within 4Å: Chain A: N.286, I.289, S.317, L.318, R.319, D.322, N.427, R.428, T.429, H.458 Ligands: C2E.2 13 PLIP interactions: 13 interactions with chain A Hydrogen bonds: A:N.286, A:S.317, A:R.319, A:N.427, A:R.428, A:T.429, A:T.429, A:H.458, A:H.458 Salt bridges: A:R.319, A:D.322 pi-Cation interactions: A:R.319, A:R.319 C2E.2: 12 residues within 4Å: Chain A: L.318, R.319, A.320, N.427, R.428, D.431, C.447, D.451, T.454, A.455, H.458 Ligands: C2E.1 11 PLIP interactions: 11 interactions with chain A Hydrogen bonds: A:R.319, A:A.320, A:N.427, A:R.428, A:R.428, A:H.458 Salt bridges: A:R.428, A:D.431, A:H.458 pi-Cation interactions: A:R.428, A:R.428 C2E.3: 13 residues within 4Å: Chain B: L.318, R.319, A.320, N.427, R.428, D.431, F.446, C.447, D.451, T.454, A.455, H.458 Ligands: C2E.4 9 PLIP interactions: 9 interactions with chain B Hydrogen bonds: B:R.319, B:A.320, B:N.427, B:R.428, B:F.446, B:H.458 Salt bridges: B:R.428, B:D.431 pi-Cation interactions: B:R.428 C2E.4: 7 residues within 4Å: Chain B: N.286, R.319, D.322, N.427, R.428, H.458 Ligands: C2E.3 7 PLIP interactions: 7 interactions with chain B Hydrogen bonds: B:S.317, B:R.319, B:R.428, B:H.458 Salt bridges: B:R.319, B:D.322 pi-Cation interactions: B:R.319

2 x ATP: ADENOSINE-5'-TRIPHOSPHATE(Non-covalent)

ATP.5: 22 residues within 4Å: Chain C: G.11, G.12, V.13, G.14, T.15, T.16, T.17, D.41, L.43, N.171, N.172, I.199, H.200, R.201, D.202, M.205, A.206 Chain F: R.10, D.150, N.152, R.156 Ligands: MG.6 20 PLIP interactions: 16 interactions with chain C, 4 interactions with chain F Hydrogen bonds: C:G.12, C:V.13, C:G.14, C:T.15, C:T.16, C:T.16, C:T.17, C:T.17, C:T.17, C:D.41, C:D.41, C:N.171, C:N.172, C:N.172, C:H.200, C:D.202, F:D.150, F:D.150, F:N.152 Salt bridges: F:R.156 ATP.7: 20 residues within 4Å: Chain C: R.10, D.150, N.152, R.156 Chain F: G.12, V.13, G.14, T.15, T.16, T.17, D.41, N.171, N.172, I.199, H.200, R.201, D.202, M.205, A.206 Ligands: MG.8 20 PLIP interactions: 6 interactions with chain C, 14 interactions with chain F Hydrogen bonds: C:R.10, C:D.150, C:D.150, C:N.152, C:N.152, F:G.12, F:V.13, F:G.14, F:T.15, F:T.15, F:T.16, F:T.16, F:T.17, F:D.41, F:N.171, F:N.172, F:N.172, F:H.200, F:D.202 Salt bridges: C:R.156

2 x MG: MAGNESIUM ION(Non-covalent)

MG.6: 2 residues within 4Å: Chain C: T.16 Ligands: ATP.5 1 PLIP interactions: 1 interactions with chain C Metal complexes: C:T.16 MG.8: 5 residues within 4Å: Chain F: T.16, C.39, D.41, D.124 Ligands: ATP.7 1 PLIP interactions: 1 interactions with chain F Metal complexes: F:T.16

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
Cell division protein: CF
Protein YhjR: DE
Cellulose biosynthesis protein BcsF: GH

SMTL:PDB

SMTL Chain Id:
PDB Chain Id:

A
D

B
E

C
Q

F
W

D
R

E
V

G
F

H
S

Membrane

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

Cell division protein

Protein YhjR

Cellulose biosynthesis protein BcsF

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