SCOPe 2.05: Domain d1irqa_: 1irq A:

Lineage for d1irqa_ (1irq A:)

1. Root: SCOPe 2.05

2. Class a: All alpha proteins [46456] (286 folds)

3. Fold a.43: Ribbon-helix-helix [47597] (1 superfamily)
   core: 4 helices; array of 2 hairpins, opened

4. Superfamily a.43.1: Ribbon-helix-helix [47598] (12 families)
   formerly Met repressor-like; dimeric proteins; the N-termini form a small beta-sheet ribbon

5. Family a.43.1.4: Omega transcriptional repressor [100971] (2 proteins)
   plasmid-encoded, similar to the phage repressor family
   automatically mapped to Pfam PF07764

6. Protein Omega transcriptional repressor [69031] (1 species)

7. Species Streptococcus pyogenes [TaxId:1314] [69032] (1 PDB entry)

8. Domain d1irqa_: 1irq A: [66297]

Details for d1irqa_

PDB Entry: 1irq, 1.5 Å

PDB Description: Crystal structure of omega transcriptional repressor at 1.5A resolution

PDB Compounds: (A:) omega transcriptional repressor

SCOPe Domain Sequences for d1irqa_:

Sequence; same for both SEQRES and ATOM records:

>d1irqa_ a.43.1.4 (A:) Omega transcriptional repressor {Streptococcus pyogenes [TaxId: 1314]}
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Timeline for d1irqa_:

• d1irqa_ first appeared in SCOP 1.59
  
• d1irqa_ appears in SCOPe 2.04
  
• d1irqa_ appears in SCOPe 2.06
  
• d1irqa_ appears in the current release, SCOPe 2.08