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Structure paper

TitleBacterial exo-alpha-sialidases subvert the complement system through desialylation.
Journal, issue, pagesBiorxiv, Year 2026
Publish dateFeb 1, 2026 (structure data deposition date)
AuthorsKurniyati, K. / Clark, N.D. / Fu, Q. / Zhang, S. / Qiu, W. / Malkowski, M.G. / Li, C.
External linksBiorxiv / PubMed:41676663
MethodsX-ray diffraction
Resolution1.549 - 1.81 Å
Structure data

PDB-10qf:
Crystal Structure of Treponema denticola Sialidase (TDE_0471)
Method: X-RAY DIFFRACTION / Resolution: 1.627 Å

PDB-10qg:
Crystal Structure of Treponema denticola Sialidase (TDE_0471) bound to Neu5Ac2en (DANA)
Method: X-RAY DIFFRACTION / Resolution: 1.549 Å

PDB-10qh:
Crystal Structure of Treponema denticola Sialidase (TDE_0471) Bound to Neu5Ac (NANA)
Method: X-RAY DIFFRACTION / Resolution: 1.56 Å

PDB-10qi:
Crystal Structure of Treponema denticola Sialidase (TDE_0471) D165A mutant bound to 3'-sialyllactose (only Neu5Ac visible)
Method: X-RAY DIFFRACTION / Resolution: 1.81 Å

Chemicals

ChemComp-CD:
Unknown entry

ChemComp-NA:
Unknown entry

ChemComp-B3P:
2-[3-(2-HYDROXY-1,1-DIHYDROXYMETHYL-ETHYLAMINO)-PROPYLAMINO]-2-HYDROXYMETHYL-PROPANE-1,3-DIOL / pH buffer*YM

ChemComp-CIT:
CITRIC ACID

ChemComp-EDO:
1,2-ETHANEDIOL

ChemComp-PGE:
TRIETHYLENE GLYCOL

ChemComp-HOH:
WATER

ChemComp-DAN:
2-DEOXY-2,3-DEHYDRO-N-ACETYL-NEURAMINIC ACID

ChemComp-PEG:
DI(HYDROXYETHYL)ETHER

ChemComp-SLB:
N-acetyl-beta-neuraminic acid

ChemComp-SIA:
N-acetyl-alpha-neuraminic acid

ChemComp-GOL:
GLYCEROL

Source
  • treponema denticola (bacteria)
KeywordsHYDROLASE / sialidase / neuraminidase / virulence factor

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