Lineage for d1r22a_ (1r22 A:)

  1. Root: SCOPe 2.06
  2. 1976409Class a: All alpha proteins [46456] (289 folds)
  3. 1981147Fold a.4: DNA/RNA-binding 3-helical bundle [46688] (14 superfamilies)
    core: 3-helices; bundle, closed or partly opened, right-handed twist; up-and down
  4. 1982196Superfamily a.4.5: "Winged helix" DNA-binding domain [46785] (85 families) (S)
    contains a small beta-sheet (wing)
  5. 1982347Family a.4.5.5: ArsR-like transcriptional regulators [46801] (5 protein domains)
    The N- and C-terminal helical extensions to the common fold form the dimer interface
  6. 1982368Protein SmtB repressor [46802] (1 species)
  7. 1982369Species Cyanobacteria (Synechococcus), pcc7942 [TaxId:1129] [46803] (4 PDB entries)
    Uniprot P30340
  8. 1982376Domain d1r22a_: 1r22 A: [104777]
    complexed with zn; mutant

Details for d1r22a_

PDB Entry: 1r22 (more details), 2.3 Å

PDB Description: Crystal structure of the cyanobacterial metallothionein repressor SmtB (C14S/C61S/C121S mutant) in the Zn2alpha5-form
PDB Compounds: (A:) Transcriptional repressor smtB

SCOPe Domain Sequences for d1r22a_:

Sequence, based on SEQRES records: (download)

>d1r22a_ a.4.5.5 (A:) SmtB repressor {Cyanobacteria (Synechococcus), pcc7942 [TaxId: 1129]}
lqaiapevaqslaeffavladpnrlrllsllarselsvgdlaqaigvsesavshqlrslr
nlrlvsyrkqgrhvyyqlqdhhivalyqnaldhlqes

Sequence, based on observed residues (ATOM records): (download)

>d1r22a_ a.4.5.5 (A:) SmtB repressor {Cyanobacteria (Synechococcus), pcc7942 [TaxId: 1129]}
lqaiapevaqslaeffavladpnrlrllsllarselsvgdlaqaigvsesavshqlrslr
nlrlvsyrhvyyqlqdhhivalyqnaldhlqes

SCOPe Domain Coordinates for d1r22a_:

Click to download the PDB-style file with coordinates for d1r22a_.
(The format of our PDB-style files is described here.)

Timeline for d1r22a_: