Accession ID Name Pfam Type
PF20273 Domain observed between E2 and E1 domains domain

Certain prokaryotic Ubiquitin systems contain this domain between E2 and E1 fusion proteins. Many of these systems are secondary effector modules associating with nucleotide-activated effector systems [1-2].
Pfam Range: 168-287 DPAM-Pfam Range: 140-287
Uniprot ID: A0A3N1WV35
Pfam Range: 168-274 DPAM-Pfam Range: 138-276
Uniprot ID: A0A1W6ZQN4
Pfam Range: 169-295 DPAM-Pfam Range: 139-300
Uniprot ID: K9XND3

References

1: Identification of Uncharacterized Components of Prokaryotic Immune Systems and Their Diverse Eukaryotic Reformulations. Burroughs AM, Aravind L; J Bacteriol. 2020; [Epub ahead of print] PMID:32868406

2: The prokaryotic antecedents of the ubiquitin-signaling system and the early evolution of ubiquitin-like beta-grasp domains. Iyer LM, Burroughs AM, Aravind L; Genome Biol. 2006;7:R60. PMID:16859499