Family: Poly A polymerase head domain-like

overlaps with the N-terminal part of Pfam 01743; this family is distinct from eukaryotic PAPs
insert X in the core is an alpha-beta(2) unit; contains two extra C-terminal strands; mixed 7-stranded sheet, order: 7612543

Lineage:

1. Root: scop
2. Class: Alpha and beta proteins (a+b) [53931]
   Mainly antiparallel beta sheets (segregated alpha and beta regions)
3. Fold: Nucleotidyltransferase [81302]
   core: alpha-beta-turn-beta-X-beta-(alpha); mixed beta-sheet, order of core strands: 123
4. Superfamily: Nucleotidyltransferase [81301]
   uperfamily
5. Family: Poly A polymerase head domain-like [82661]
   overlaps with the N-terminal part of Pfam 01743; this family is distinct from eukaryotic PAPs
   insert X in the core is an alpha-beta(2) unit; contains two extra C-terminal strands; mixed 7-stranded sheet, order: 7612543

Protein Domains:

1. tRNA CCA-adding enzyme, head domain [82662]
   1. Bacillus stearothermophilus [TaxId: 1422] [82663] (3)
      1. 1miw
         complexed with atp, mg, mse
         1. region a:1-139 [79163]
         2. region b:1-139 [79165]
      2. 1miv
         complexed with mg, mse
         1. region a:1-139 [79159]
         2. region b:1-139 [79161]
      3. 1miy
         complexed with ctp, mg
         1. region a:1-139 [79169]
         2. region b:1-139 [79171]
   2. Human (Homo sapiens), mitochondrial [TaxId: 9606] [89924] (1)
      1. 1ou5
         1. region a:-1-150 [87446]
         2. region b:-1-150 [87448]
2. Poly A polymerase PcnB [110931]
   1. Aquifex aeolicus [TaxId: 63363] [110932] (1)
      SQ O66728 443-824
      1. 1vfg
         complexed with apc
         1. region a:1-136 [108571]
         2. region b:1-136 [108573]

Generated from scop database 1.75 with scopm 1.101 on Wed Jun 3 10:42:06 2009 Copyright © 1994-2009 The scop authors / scop@mrc-lmb.cam.ac.uk