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Table 1 Non-randomly distributed superfamilies in E. coli and yeast MCL-GO complexes.

From: Comparative evolutionary analysis of protein complexes in E. coli and yeast

 

Superfamily

Frequency

Function

Species distribution

E. coli

    
 

NAD(P)-binding Rossmann-like Domain (3.40.50.720)

73

Oxidoreductase activity in a wide variety of processes

Universal

Yeast

    
 

RNA binding (2.30.30.100)

11

RNA binding/splicing

Universal

 

Glutamine Phosphoribosylpyrophosphate, subunit 1, domain 1 (3.60.20.10)

18

Ubiquitin-mediated endopeptidase activity

Universal

 

Quinoprotein amine dehydrogenase (2.130.10.10)

68

Wide range of activities including protein synthesis

Universal

 

Protein tyrosine phosphatase superfamily (3.90.190.10)

12

Dephosphorylation in signalling pathways

Eukaryotic

 

Ribosomal Protein (3.30.1370.10)

4

Binding activity in a variety of processes

Universal

 

Ubiquitin-like superfamily (3.10.20.30)

5

TCA cycle

Universal

  1. CATH codes are shown in brackets. Frequency values are the number of proteins containing a member of that superfamily in that complex dataset. Functional descriptions are based on the most common GO terms from proteins containing the superfamily in that particular organism. Superfamilies are considered to belong to a kingdom when they are found in at least 70% of completed genomes from that kingdom. Universal refers to eukaryotes, eubacteria and archaea.