Recombinant Human CST complex subunit CTC1 (CTC1), Truncated

Uniprot Id

Q2NKJ3

Target Species

Human

Target Name

CTC1

Target Full Name

CST complex subunit CTC1

Target Function

Component of the CST complex proposed to act as a specialized replication factor promoting DNA replication under conditions of replication stress or natural replication barriers such as the telomere duplex. The CST complex binds single-stranded DNA with high affinity in a sequence-independent manner, while isolated subunits bind DNA with low affinity by themselves. Initially the CST complex has been proposed to protect telomeres from DNA degradation. However, the CST complex has been shown to be involved in several aspects of telomere replication. The CST complex inhibits telomerase and is involved in telomere length homeostasis; it is proposed to bind to newly telomerase-synthesized 3' overhangs and to terminate telomerase action implicating the association with the ACD:POT1 complex thus interfering with its telomerase stimulation activity. The CST complex is also proposed to be involved in fill-in synthesis of the telomeric C-strand probably implicating recruitment and activation of DNA polymerase alpha. The CST complex facilitates recovery from many forms of exogenous DNA damage; seems to be involved in the re-initiation of DNA replication at repaired forks and/or dormant origins. Involved in telomere maintenance. Involved in genome stability. May be in involved in telomeric C-strand fill-in during late S/G2 phase

Target Involvement

Cerebroretinal microangiopathy with calcifications and cysts 1 (CRMCC1)

Target Subcellular Location

Nucleus. Chromosome, telomere.

Target Protein Families

CTC1 family

Target Synonyms

CTC1; C17orf68; Conserved telomere maintenance component 1; CST complex subunit CTC1; CTC1; CTC1_HUMAN; HBV DNAPTP1-transactivated protein B