Table 2 Homologous recombination factors.

From: Maintenance of genome integrity and active homologous recombination in embryonic stem cells

 

Human

Functions

Recombinase

RAD51

DNA-dependent ATPase activity (53)

Homologous to the bacterial RecA (53)

Binds to single-stranded DNA (53)

Catalyzes the strand exchange and recognition of homology (53)

DMC1

Meiosis-specific homology search and strand invasion (53)

Repairs of meiotic double-strand breaks (53)

Regulators

RAD52

Promotes Rad51-dependent homologous recombination (53)

Promotes the annealing of complementary ssDNA (18)

Interacts with RAD51 and RPA (53)

BRCA2

Mediates DNA strand invasion (40)

Recombination mediator activity (53)

Stabilizes RAD51-ssDNA filaments by blocking ATP hydrolysis (40)

RAD51B-RAD51C

RAD51D-XRCC2

RAD51D-XRCC3

Recombination mediator bound in ssDNA (51)

Promote Rad51-dependent homologous recombination (53)

RAD54

RAD54B

dsDNA-dependent ATPase (53)

Involve in DNA repair and mitotic recombination (15,17)

Stimulate of the RAD51/DMC1-regulated D-loop reaction (54)

RAD51AP1

Promotes D-loop formation by Rad51 (53)

SWI5-MEI5

Mediator activity (54)

MND1-HOP2

Stabilization of RAD51/DMC1 presynaptic filaments (53)

PCNA

Proliferating cell nuclear antigen (17)

DNA polymerase processivity factor (17)

PALB2

Promotes BRCA2 localization and stability in nuclear structure (40)

Partner and localizer of BRCA2, also known as FANCN (40)

RPA

Highly conserved eukaryotic ssDNA binding protein (19)

Stabilization of single-stranded DNA intermediates (36)

Activity in DNA replication, recombination and repair (36)

Important in the process of second-end capture with RAD52 (51)

Resolution

FANCM

DNA-dependent ATPase (54)

Helicase and strand migration activity (53)

Resolution of meiotic recombination intermediates (54)

BLM

Central regulator of most of the recombination events (53)

ATP-dependent DNA helicase (53)

Stimulates DNA Holliday junction dissolution and DNA 4-way junction branch migration (53)

GEN1

Holliday junction resolvase (63)

Promotes template switching (63)

RTEL1

ATP-dependent DNA helicase (53)

Promotes noncrossover repair by meiotic SDSA (53)

Disassembly of D-loop recombination intermediates (53)

SLX1-SLX4

Holliday junction resolvase (53)

Cleaving replication fork (53)

DNA2

ssDNA-dependent ATPase (53)

Nuclease involved in long resection (53)

EXO1

5′ overhang endonuclease (53)

Long resection of DNA ends generating 3-overhangs (53)

RNaseH activity (53)

MLH1

Meiosis-specific dHJ resolvase in crossover (53)