Lineage for Protein: SmtB repressor
- Root: SCOPe 2.06
Class a: All alpha proteins [46456] (289 folds) 
Fold a.4: DNA/RNA-binding 3-helical bundle [46688] (14 superfamilies)
core: 3-helices; bundle, closed or partly opened, right-handed twist; up-and downSuperfamily a.4.5: "Winged helix" DNA-binding domain [46785] (85 families) 
contains a small beta-sheet (wing)
Family a.4.5.5: ArsR-like transcriptional regulators [46801] (5 proteins)
The N- and C-terminal helical extensions to the common fold form the dimer interface
Protein SmtB repressor [46802] (1 species)
Species:
Cyanobacteria (Synechococcus), pcc7942 [TaxId:1129] [46803] (4 PDB entries)
Uniprot P30340- Domains for 1r1t:
Domain d1r1ta_: 1r1t A: [104769] 
Domain d1r1tb_: 1r1t B: [104770]
- Domains for 1r22:
Domain d1r22a_: 1r22 A: [104777]
complexed with zn; mutant
Domain d1r22b_: 1r22 B: [104778]
complexed with zn; mutant
- Domains for 1r23:
Domain d1r23a_: 1r23 A: [104779]
complexed with zn
Domain d1r23b_: 1r23 B: [104780]
complexed with zn
- Domains for 1smt:
Domain d1smta_: 1smt A: [16109] 
Domain d1smtb_: 1smt B: [16110]
- Domains for 1r1t:
More info for Protein SmtB repressor from a.4.5.5: ArsR-like transcriptional regulators
Timeline for Protein SmtB repressor from a.4.5.5: ArsR-like transcriptional regulators:
- Protein SmtB repressor from a.4.5.5: ArsR-like transcriptional regulators first appeared (with stable ids) in SCOP 1.55
- Protein SmtB repressor from a.4.5.5: ArsR-like transcriptional regulators appears in SCOPe 2.05
- Protein SmtB repressor from a.4.5.5: ArsR-like transcriptional regulators appears in SCOPe 2.07
- Protein SmtB repressor from a.4.5.5: ArsR-like transcriptional regulators appears in the current release, SCOPe 2.08