Fold: Rubredoxin-like

metal(zinc or iron)-bound fold; sequence contains two CX(n)C motifs, in most cases n = 2

Lineage:

1. Root: scop
2. Class: Small proteins
   Usually dominated by metal ligand, heme, and/or disulfide bridges
3. Fold: Rubredoxin-like
   metal(zinc or iron)-bound fold; sequence contains two CX(n)C motifs, in most cases n = 2

Superfamilies:

1. Methionyl-tRNA synthetase (MetRS), Zn-domain (1)
2. Microbial and mitochondrial ADK, insert "zinc finger" domain (1)
3. Zinc beta-ribbon (3)
4. Casein kinase II beta subunit (1)
5. Rubredoxin-like (3)
6. Hypothetical protein MTH1184 (1)
   contains two CXC motifs
7. Aspartate carbamoyltransferase, Regulatory-chain, C-terminal domain (1)
8. Zn-binding ribosomal proteins (3)