BLM Gene Summary [Human]

The Bloom syndrome is an autosomal recessive disorder characterized by growth deficiency, microcephaly and immunodeficiency among others. It is caused by homozygous or compound heterozygous mutation in the gene encoding DNA helicase RecQ protein on chromosome 15q26. This Bloom-associated helicase unwinds a variety of DNA substrates including Holliday junction, and is involved in several pathways contributing to the maintenance of genome stability. Identification of pathogenic Bloom variants is required for heterozygote testing in at-risk families. [provided by RefSeq, May 2020]

Details

Type
Protein Coding
Official Symbol
BLM
Official Name
BLM RecQ like helicase [Source:HGNC Symbol;Acc:HGNC:1058]
Ensembl ID
ENSG00000197299
Bio databases IDs NCBI: 641 Ensembl: ENSG00000197299
Aliases BLM RecQ like helicase
Synonyms BLM RecQ like helicase, Blooms syndrome, Bloom syndrome, Bloom syndrome, RecQ like helicase, BS, MGRISCE1, RECQ2, RECQL2, RECQL3
Species
Human, Homo sapiens
OrthologiesMouseRat

Protein Domains

A protein domain is a distinct structural or functional region within a protein that can evolve, function, and exist independently of the rest of the protein chain. These domains in human BLM often fold into stable, three-dimensional structures and are associated with specific biological functions, such as binding to DNA, other proteins, or small molecules.
  • Helicase and RNase D C-terminal
  • ATP-dependent DNA helicase, RecQ family
  • helicase
  • DNA secondary structure binding
  • ATP binding
  • enzyme
  • identical protein binding
  • Helicase conserved C-terminal domain
  • RQC domain
  • holliday junction helicase
  • telomeric DNA binding
  • DNA helicase
  • helicase domain
  • BDHCT-box associated domain on Bloom syndrome protein
  • zinc ion binding
  • RecQ zinc-binding
  • N-terminal helicase domain of the DEAD-box helicase superfamily
  • BDHCT (NUC031) domain
  • DEAD-like helicases superfamily
  • p53-binding domain
  • N-terminal region of Bloom syndrome protein
  • P-loop containing Nucleoside Triphosphate Hydrolases
  • HRDC domain
  • nucleic acid binding
  • helicase superfamily c-terminal domain
  • DEAD/DEAH box helicase
  • isomerase
  • PRK11057
  • protein binding
  • p53 binding
  • DNA dependent ATPase
  • DNA binding
  • phosphorylation site
  • damaged DNA binding
  • single-stranded DNA binding
  • RQC
  • protein homodimerization
  • ATP-dependent DNA helicase RecQ

Pathways

Biological processes and signaling networks where the BLM gene in human plays a role, providing insight into its function and relevance in health or disease.

Top Findings

The most significant associations for this gene, including commonly observed domains, pathway involvement, and functional highlights based on current data.
disease
  • lung squamous cell carcinoma
  • invasive breast cancer
  • colon adenocarcinoma
  • colorectal cancer
  • hepatocellular carcinoma
  • esophageal squamous cell carcinoma
  • rectum cancer
  • neoplasia
  • ovarian cancer
  • tumorigenesis
regulated by
regulates
role in cell
  • expression in
  • apoptosis
  • damage
  • cell viability
  • growth
  • proliferation
  • quantity
  • upregulation in
  • accumulation in
  • survival

Subcellular Expression

Locations within the cell where the protein is known or predicted to be active, providing insight into its function and cellular context.
  • Nucleus
  • nuclear fraction
  • nucleoplasmic fraction
  • nuclear matrix fraction
  • detergent-insoluble fractions
  • Cytoplasm
  • cytosol
  • nuclear foci
  • chromosome
  • nucleoplasm
  • nucleoli
  • nuclear bodies
  • nuclear speckles
  • nuclear matrix
  • pronucleus
  • PML nuclear bodies
  • synaptonemal complexes
  • telomeres
  • chromosomal axial elements
  • replication fork

Gene Ontology Annotations

Describes the biological processes, cellular components, and molecular functions associated with the human BLM gene, providing context for its role in the cell.

Biological Process

Functions and activities the gene product is involved in
  • mitotic cell cycle G2/M transition DNA damage checkpoint
  • DNA repair
  • response to X-ray
  • DNA double-strand break processing
  • DNA replication
  • double-strand break repair via homologous recombination
  • protein homooligomerization
  • DNA recombination
  • telomere maintenance
  • response to DNA damage stimulus
  • DNA unwinding involved in replication
  • negative regulation of DNA recombination
  • regulation of cyclin-dependent protein kinase activity
  • positive regulation of transcription, DNA-dependent
  • negative regulation of cell division
  • DNA duplex unwinding
  • cellular response to ionizing radiation
  • telomere maintenance via semi-conservative replication
  • resolution of recombination intermediates
  • cellular response to hydroxyurea
  • replication fork processing
  • protein oligomerization
  • regulation of DNA-dependent DNA replication

Cellular Component

Where in the cell the gene product is active
  • PML body
  • lateral element
  • nuclear chromosome
  • chromosome
  • nucleolus
  • nucleoplasm
  • replication fork
  • chromosome, telomeric region
  • nucleus
  • cytoplasm
  • nuclear matrix
  • cytosol
  • macromolecular complex
  • RecQ helicase-Topo III complex

Molecular Function

What the gene product does at the molecular level
  • ATPase activity
  • identical protein binding
  • DNA-dependent ATPase activity
  • zinc ion binding
  • protein homodimerization activity
  • bubble DNA binding
  • helicase activity
  • Y-form DNA binding
  • four-way junction helicase activity
  • 3'-5' DNA helicase activity
  • four-way junction DNA binding
  • single-stranded DNA binding
  • ATP binding
  • DNA binding
  • DNA helicase activity
  • p53 binding
  • protein binding
  • G-quadruplex DNA binding
  • isomerase activity

Gene-Specific Assays for Results You Can Trust

Streamline your workflow with assays designed for this gene. Our targeted dPCR and qPCR assays help you generate meaningful data – efficiently and accurately.