ISDA: 9SM2

Deposition Date 2025-09-05

Release Date 2026-07-29

Last Version Date 2026-07-29

Entry Detail

PDB ID:

9SM2

Keywords:

MEMBRANE PROTEIN

Title:

Cryo-EM structure of the closed-closed dextran utilisome (BT3087-BT3090), with GHdex D297A E360A catalytic inactivation, with bound IMO4, IMO6 and IMO8

Biological Source:

Source Organism(s):

Bacteroides thetaiotaomicron VPI-5482 (Taxon ID: 226186)

Expression System(s):

Bacteroides thetaiotaomicron vpi-5482

Method Details:

Experimental Method:

ELECTRON MICROSCOPY

Resolution:

2.50 Å

Aggregation State:

PARTICLE

Reconstruction Method:

SINGLE PARTICLE

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Macromolecular Entities

Structures with similar UniProt ID

Structural Superimposition Protein Blast

Polymer Type:polypeptide(L)
Molecule:SusC homolog
Gene (Uniprot):BT_3090
Chain IDs:A, C
Chain Length:999
Number of Molecules:2
Biological Source:Bacteroides thetaiotaomicron VPI-5482

UniProt ID:Q8A365 Pfam ID:PF13715, PF07715

Structures with similar UniProt ID

Structural Superimposition Protein Blast

Polymer Type:polypeptide(L)
Molecule:SusD homolog
Gene (Uniprot):BT_3089
Mutagens:C-terminal addition of "AAAAHHHHHH"
Chain IDs:B, D
Chain Length:506
Number of Molecules:2
Biological Source:Bacteroides thetaiotaomicron VPI-5482

UniProt ID:Q8A366 Pfam ID:PF14322, PF07980

Structures with similar UniProt ID

Structural Superimposition Protein Blast

Polymer Type:polypeptide(L)
Molecule:BT3088 (SGBPdex)
Gene (Uniprot):BT_3088
Chain IDs:E, F
Chain Length:504
Number of Molecules:2
Biological Source:Bacteroides thetaiotaomicron VPI-5482

UniProt ID:Q8A367 Pfam ID:PF14292

Structures with similar UniProt ID

Structural Superimposition Protein Blast

Polymer Type:polypeptide(L)
Molecule:Cycloisomaltooligosaccharide
Gene (Uniprot):BT_3087
Mutagens:D297A, E360A
Chain IDs:G, H
Chain Length:592
Number of Molecules:2
Biological Source:Bacteroides thetaiotaomicron VPI-5482

UniProt ID:Q8A368 Pfam ID:PF13199

Ligand Molecules

Primary Citation

Structural and functional characterisation of the dextran utilisome from Bacteroides thetaiotaomicron

Feasey, M, Silale, A, Basle, A, van den Berg, B.Show

J Struct Biol X ? 100153 ? (2026)

DOI: 10.1016/j.yjsbx.2026.100153

Primary Citation of related structures

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