Structural Classification of Proteins

Fold: AhpD-like

: multihelical; contains 4-helical bundle and 2-helical arm

Lineage:

Root: scop
Class: All alpha proteins [46456]
Fold: AhpD-like [69117]
multihelical; contains 4-helical bundle and 2-helical arm

Superfamilies:

AhpD-like [69118] (4)
probable biological unit contains six domains of this fold arranged with 32 symmetry
uperfamily
1. CMD-like [101468] (2)
  Pfam 02627; hexamer of single-domain subunits
  1. Hypothetical protein TM1620 [101469]
    1. Thermotoga maritima [TaxId: 2336] [101470] (2)
      SQ Q9X1V5
  2. Gamma-carboxymuconolactone decarboxylase, CMD [140968]
    1. Archaeon Methanobacterium thermoautotrophicum [TaxId: 145262] [140969] (9)
      SQ O26336 1-119
2. AhpD [69119] (2)
  duplication: two-domain subunits form a helix-swapped trimer
  1. Antioxidant defense protein AhpD [69120]
    a novel enzyme with thioredoxin-like activity
    1. Mycobacterium tuberculosis [TaxId: 1773] [69121] (4)
  2. Hypothetical protein Bxeno_B2006 [158819]
    1. Burkholderia xenovorans [TaxId: 36873] [158820] (3)
      SQ Q13LR5 1-257
3. Atu0492-like [140970] (5)
  duplication: similar subunit structure to the AhpD family, but the putative active site is conserved in different relative location; new hexameric architecture; similar dimeric interface to the CMD-like family
  1. Hypothetical protein Atu0492 [140971]
    1. Agrobacterium tumefaciens [TaxId: 358] [140972] (6)
      SQ Q8UI08 2-148
  2. Hypothetical protein PA0269 [140973]
    1. Pseudomonas aeruginosa [TaxId: 287] [140974] (10)
      SQ Q9I6M1 2-144! SQ Q9I6M1 2-145
  3. Uncharacterized protein Dgeo_1446 [158821]
    1. Deinococcus geothermalis [TaxId: 68909] [158822] (2)
      SQ Q1IYE3 10-195
  4. Uncharacterized protein TM1040_2465 [158823]
    1. Silicibacter sp. tm1040 [TaxId: 292414] [158824] (2)
      SQ Q1GDR9 1-190
  5. Uncharacterized protein Reut_A2532 [158825]
    1. Ralstonia eutropha [TaxId: 106590] [158826] (12)
      SQ Q46Y90 5-194
4. TTHA0727-like [140975] (2)
  similar to the CMD-like family by the subunit sequence and hexameric architecture; the segment-swapped subunit fold is similar to the AhpD domains
  1. Hypothetical protein TTHA0727 [140976]
    1. Thermus thermophilus [TaxId: 274] [140977] (3)
      SQ Q5SMF5 1-117
  2. Hypothetical protein Rru_A0301 [158827]
    1. Rhodospirillum rubrum [TaxId: 1085] [158828] (2)
      SQ Q2RXN9 1-134