ISDA: 10QH

Deposition Date 2026-02-01

Release Date 2026-02-25

Last Version Date 2026-02-25

Entry Detail

PDB ID:

10QH

Keywords:

HYDROLASE

Title:

Crystal Structure of Treponema denticola Sialidase (TDE_0471) Bound to Neu5Ac (NANA)

Biological Source:

Source Organism(s):

Treponema denticola (Taxon ID: 158)

Expression System(s):

Escherichia coli bl21(de3)

Method Details:

Experimental Method:

X-RAY DIFFRACTION

Resolution:

1.56 Å

R-Value Free:

0.15

R-Value Work:

0.14

R-Value Observed:

0.14

Space Group:

C 1 2 1

Download Validation Report

Macromolecular Entities

Polymer Type:polypeptide(L)
Molecule:exo-alpha-sialidase
Chain IDs:A
Chain Length:531
Number of Molecules:1
Biological Source:Treponema denticola

Modified Residue

Compound ID	Chain ID	Parent Comp ID	Details	2D Image
CSO	A	CYS	modified residue

Ligand Molecules

EDO

PEG

PGE

SLB

Primary Citation

Bacterial exo-alpha-sialidases subvert the complement system through desialylation.

Kurniyati, K, Clark, N.D, Fu, Q, Zhang, S, Qiu, W, Malkowski, M.G, Li, C.Show

Biorxiv ? ? ? (2026)

PMID: 41676663 DOI: 10.64898/2026.02.05.703967

Primary Citation of related structures

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