Protein Domain : HRDC-like superfamily IPR010997

Type  Homologous_superfamily
Description  This superfamily represents the HRDC (helicase and RNaseD C-terminal) domain, which comprises two orthogonally packed α-hairpin subdomains, and is involved in interactions with DNA and protein. The HRDC (helicase and RNaseD C-terminal) domain is found at the C terminus of many RecQ helicases, including the human Bifunctional 3'-5' exonuclease/ATP-dependent helicase WRN and RecQ-like DNA helicase BLM (previously known as Werner and Bloom syndrome proteins) [ ]. RecQ helicases have been shown to unwind DNA in an ATP-dependent manner. The structure of the HRDC domain consists of a 4-5 helical bundle of two orthogonally packed α-hairpins, and as such it resembles auxiliary domains in bacterial DNA helicases and other proteins that interact with nucleic acids. A positively charged region on the surface of the HRDC domain is able to interact with DNA.The HRDC domain is also present in eukaryotic and archaeal RNA polymerase II subunit RBP4, the N-terminal of which forms a heterodimerisation α-hairpin [ , ].
Short Name  HRDC-like_sf

0 Child Features

0 Gene Families

1000 Genes

2 Ontology Annotations

0 Parent Features

13 Publications

USDA
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