8WOC

Cryo-EM structure of SIR2/HerA complex


Protein Family Annotation Pfam Database Homepage

ChainsAccessionNameDescriptionCommentsSource
PF13289SIR2-like domain (SIR2_2)SIR2-like domain- Family
PF01935Helicase HerA, central domain (DUF87)Helicase HerA, central domainThis entry represents the central domain found in archaeal proteins such as DNA double-strand break repair helicase HerA (EC:3.6.4.12). HerA is a helicase which is able to utilise either 3' or 5' single-stranded DNA extensions for loading and subsequ ...This entry represents the central domain found in archaeal proteins such as DNA double-strand break repair helicase HerA (EC:3.6.4.12). HerA is a helicase which is able to utilise either 3' or 5' single-stranded DNA extensions for loading and subsequent DNA duplex unwinding [1]. It forms a complex with NurA nuclease, this complex has the 5'-3' DNA end resection activity and is essential for cell viability in the crenarchaeon Sulfolobus islandicus [2]. This domain includes the the central RecA-like catalytic core and a flanking four-helix bundle [3]. The function of this prokaryotic domain is unknown. It contains several conserved aspartates and histidines that could be metal ligands.
Domain
PF05872Helicase HerA-like C-terminal (HerA_C)Helicase HerA-like C-terminalHerA is a DNA helicase able to utilise either 3' or 5' single-stranded DNA extensions for loading and subsequent DNA duplex unwinding [1]. It forms a complex with NurA nuclease, this complex has the 5'-3' DNA end resection activity and is essential f ...HerA is a DNA helicase able to utilise either 3' or 5' single-stranded DNA extensions for loading and subsequent DNA duplex unwinding [1]. It forms a complex with NurA nuclease, this complex has the 5'-3' DNA end resection activity and is essential for cell viability in the crenarchaeon Sulfolobus islandicus [2]. This entry represents the C-terminal domain of HerA which seems to be involved in the conversion of ATP hydrolysis into DNA translocation [3].
Domain