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. Author manuscript; available in PMC: 2025 Aug 27.
Published in final edited form as: Nat Immunol. 2023 Jun 5;24(7):1064–1075. doi: 10.1038/s41590-023-01526-w

Table 1 |. PTMs affecting activities of GSDM family members.

Protein PTM Modified residue Effect Ref.
GSDMD Oxidation Cys192 (only tested in mouse) Promotes oligomerization and pore formation 119
GSDMD Oxidation Cys38, Cys56, Cys268, Cys467 (only tested in human) Promotes cleavage by caspase-1 116
GSDMD Disulfiram Cys191/Cys192 (human/mouse) Inhibits pore formation 127
GSDMD Necrosulfamide Cys191/Cys192 (human/mouse) Inhibits pore formation 128
GSDMD Succination (fumarate/DMF) Cys191/Cys192 (human/mouse) Inhibits cleavage by caspase-1 and pore formation 126
GSDMD Itaconation Cys77 (mouse-specific; not present in human) Most likely inhibitory 124
GSDMD Phosphorylation Thr213 (only tested in human) Inhibits pore formation 130
GSDMD Lys27-linked polyubiquitination Lys203, Lys204/Lys204, Lys205 (human/mouse) Promotes pyroptosis 132
GSDMD Lys63-linked/ Lys48-linked polyubiquitination LysK55, Lys62, Lys203 (human-specific) Targeting for degradation 55,56,133,135
GSDMD Palmitoylation Cys192 Promotes membrane association 120,121
GSDMA Phosphorylation Thr8 (only tested in human) Inhibits pore formation 105
GSDMB Lys48-linked polyubiquitination At least Lys177, Lys190, Lys192 (only tested in human) Targeting for degradation and direct inhibition of pore formation 55,56,133135
GSDME Phosphorylation Thr6 (only tested in human) Inhibits pore formation 105
GSDME Disulfiram Undefined Inhibits pore formation 129
GSDME Succination (fumarate/DMF) Cys45 Inhibits pyroptosis 126
GSDME Palmitoylation Cys407/Cys408 (human/mouse) Promotes pyroptosis 123
Bacterial GSDMs Palmitoylation Cys3/Cys3/Cys4/Cys7 (Runella/Bradyrhizobium/ Vitiosangium/Lysobacter) Promotes membrane permeabilization 122