HOOK2

Protein Hook homolog 2 (HK2) is a protein^[5] that in humans is encoded by the HOOK2 gene.^[6][7]

HOOK2
Identifiers
Aliases	HOOK2, HK2, hook microtubule-tethering protein 2, hook microtubule tethering protein 2
External IDs	OMIM: 607824; MGI: 2181664; HomoloGene: 8332; GeneCards: HOOK2; OMA:HOOK2 - orthologs
Gene location (Human) Chr. Chromosome 19 (human)[1] Band 19p13.13 Start 12,763,003 bp[1] End 12,872,740 bp[1]
Gene location (Mouse) Chr. Chromosome 8 (mouse)[2] Band 8|8 C3 Start 84,990,603 bp[2] End 85,003,349 bp[2]
RNA expression pattern Bgee Human Mouse (ortholog) Top expressed in right lobe of thyroid gland apex of heart left lobe of thyroid gland body of pancreas anterior pituitary right uterine tube minor salivary glands skin of abdomen mucosa of transverse colon skin of leg Top expressed in spermatid yolk sac right kidney proximal tubule intestinal villus spermatocyte jejunum Hindgut seminiferous tubule neural layer of retina More reference expression data BioGPS n/a
Gene ontology Molecular function protein binding identical protein binding microtubule binding dynein light intermediate chain binding Cellular component HOPS complex cytoplasm microtubule organizing center centrosome microtubule cytoskeleton FHF complex cytosol intracellular membrane-bounded organelle Biological process protein transport lysosome organization early endosome to late endosome transport endocytosis endosome organization endosome to lysosome transport cytoskeleton-dependent intracellular transport cytoplasmic microtubule organization Sources:Amigo / QuickGO
Orthologs Species Human Mouse Entrez 29911 170833 Ensembl ENSG00000095066 ENSMUSG00000052566 UniProt Q96ED9 Q7TMK6 RefSeq (mRNA) NM_001100176 NM_013312 NM_001167991 NM_133255 NM_001363497 NM_001363498 RefSeq (protein) NP_001093646 NP_037444 NP_001161463 NP_573518 NP_001350426 NP_001350427 NP_001359286 NP_001359287 NP_001359288 NP_001359289 NP_001359290 NP_001359291 Location (UCSC) Chr 19: 12.76 – 12.87 Mb Chr 8: 84.99 – 85 Mb PubMed search [3] [4]
Wikidata
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Function

Hook proteins are cytosolic coiled-coil proteins that contain conserved N-terminal domains, which attach to microtubules, and more divergent C-terminal domains, which mediate binding to organelles. The Drosophila Hook protein is a component of the endocytic compartment.^[7]