Skip to main content

Table 7 Pfam proteins that originated near LAECA and their distribution in the viral world.

From: The origin of a derived superkingdom: how a gram-positive bacterium crossed the desert to become an archaeon

PFAM ID Description Archaea Bacteria Eukaryotes Viruses
PF00136 DNA polymerase family B 45 195 31 384
PF03104 DNA polymerase family B, exonuclease domain 45 210 31 173
PF01068 ATP dependent DNA ligase domain 45 372 31 50
PF01096 Transcription factor S-II (TFIIS) 45 1 31 44
PF00867 XPG I-region 43 0 31 37
PF04566 RNA polymerase Rpb2, domain 4 45 0 32 31
PF04567 RNA polymerase Rpb2, domain 5 45 0 32 31
PF01896 Eukaryotic and archaeal DNA primase small subunit 44 159 31 30
PF04675 DNA ligase N terminus 44 167 31 20
PF04679 ATP dependent DNA ligase C terminal region 44 248 31 20
PF00752 XPG N-terminal domain 43 0 31 16
PF00705 Proliferating cell nuclear antigen, N-terminal domain 45 0 33 10
PF01191 RNA polymerase Rpb5, C-terminal domain 44 0 32 5
PF00352 Transcription factor TFIID (or TATA-binding protein, TBP) 45 0 33 4
PF01194 RNA polymerases N/8 kDa subunit 45 0 30 3
PF01981 Peptidyl-tRNA hydrolase PTH2 45 26 30 3
PF00382 Transcription factor TFIIB repeat 45 0 32 3
PF03876 RNA polymerase Rpb7-like, N-terminal domain 42 0 31 2
PF08542 Replication factor C 44 0 31 2
PF02933 Cell division protein 48 (CDC48), domain 2 45 18 31 1
PF01599 Ribosomal protein S27a 41 0 32 1
PF02359 Cell division protein 48 (CDC48), N-terminal domain 45 44 32 1
PF01873 Domain found in IF2B/IF5 45 0 33 1
PF01253 Translation initiation factor SUI1 45 287 33 1
  1. The Pfam familiess that originated in LAECA are more common in viruses than those that originated in LBCA.