lactase

mammalian protein found in Homo sapiens
ChemicalSubstance enzyme Q379764
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lactase

Summary

lactase is an enzyme[1]. lactase ranks in the top 9% of enzyme entities by monthly Wikipedia readership (863 views/month).[2]

Key Facts

  • lactase's instance of is recorded as enzyme[3].
  • lactase's instance of is recorded as carbohydrate[4].
  • lactase's instance of is recorded as digestive enzyme[5].
  • lactase's instance of is recorded as protein[6].
  • lactase is part of glycoside hydrolase superfamily[7].
  • lactase is part of Glycoside hydrolase family 1[8].
  • lactase is part of Glycoside hydrolase family 1, active site, protein family[9].
  • lactase is part of Glycosyl hydrolases family 1, N-terminal conserved site, protein family[10].
  • lactase's Commons category is recorded as Lactase[11].
  • lactase comprises Glycoside hydrolase family 1, active site[12].
  • lactase comprises Glycosyl hydrolases family 1, N-terminal conserved site[13].
  • lactase's EC enzyme number is recorded as 3.2.1.108[14].
  • lactase's molecular function is recorded as hydrolase activity, hydrolyzing O-glycosyl compounds[15].
  • lactase's molecular function is recorded as hydrolase activity, acting on glycosyl bonds[16].
  • lactase's molecular function is recorded as catalytic activity[17].
  • lactase's molecular function is recorded as glycosylceramidase activity[18].
  • lactase's molecular function is recorded as hydrolase activity[19].
  • lactase's molecular function is recorded as beta-glucosidase activity[20].
  • lactase's molecular function is recorded as lactase activity[21].
  • lactase's cell component is recorded as integral component of membrane[22].
  • lactase's cell component is recorded as membrane[23].
  • lactase's cell component is recorded as plasma membrane[24].
  • lactase's cell component is recorded as integral component of plasma membrane[25].
  • lactase's cell component is recorded as apical plasma membrane[26].
  • lactase's biological process is recorded as polysaccharide digestion[27].

Why It Matters

lactase ranks in the top 9% of enzyme entities by monthly Wikipedia readership (863 views/month).[2] lactase has Wikipedia articles in 26 language editions, a strong signal of global cultural recognition.[28] lactase is known by 16 alternative names across languages and contexts.[29]

References

Programmatic citations — every numbered marker resolves to a verifiable graph row below.

Direct Wikidata claims

  1. [3] . wikidata.org.
  2. [4] . wikidata.org.
  3. [5] . wikidata.org.
  4. [6] . Q905695. Retrieved . wikidata.org.
  5. [7] . InterPro Release 71.0. ebi.ac.uk. Provenance: wikidata.org.
  6. [8] . InterPro Release 71.0. ebi.ac.uk. Provenance: wikidata.org.
  7. [9] . wikidata.org.
  8. [10] . wikidata.org.
  9. [11] . wikidata.org.
  10. [12] . InterPro Release 71.0. ebi.ac.uk. Provenance: wikidata.org.
  11. [13] . InterPro Release 71.0. ebi.ac.uk. Provenance: wikidata.org.
  12. [14] . wikidata.org.
  13. [15] . GOA. Retrieved . ebi.ac.uk. Provenance: wikidata.org.
  14. [16] . GOA. Retrieved . ebi.ac.uk. Provenance: wikidata.org.
  15. [17] . GOA. Retrieved . ebi.ac.uk. Provenance: wikidata.org.
  16. [18] . GOA. Retrieved . ebi.ac.uk. Provenance: wikidata.org.
  17. [19] . GOA. Retrieved . ebi.ac.uk. Provenance: wikidata.org.
  18. [20] . Phylogenetic-based propagation of functional annotations within the Gene Ontology consortium. Retrieved . ebi.ac.uk. Provenance: wikidata.org.
  19. [21] . Complete primary structure of human and rabbit lactase-phlorizin hydrolase: implications for biosynthesis, membrane anchoring and evolution of the enzyme. Retrieved . ebi.ac.uk. Provenance: wikidata.org.
  20. [22] . GOA. Retrieved . ebi.ac.uk. Provenance: wikidata.org.
  21. [23] . Complete primary structure of human and rabbit lactase-phlorizin hydrolase: implications for biosynthesis, membrane anchoring and evolution of the enzyme. Retrieved . ebi.ac.uk. Provenance: wikidata.org.
  22. [24] . GOA. Retrieved . ebi.ac.uk. Provenance: wikidata.org.
  23. [25] . Complete primary structure of human and rabbit lactase-phlorizin hydrolase: implications for biosynthesis, membrane anchoring and evolution of the enzyme. Retrieved . ebi.ac.uk. Provenance: wikidata.org.
  24. [26] . GOA. Retrieved . ebi.ac.uk. Provenance: wikidata.org.
  25. [27] . GOA. Retrieved . ebi.ac.uk. Provenance: wikidata.org.

Class ancestry

  1. [1] . Wikidata. wikidata.org.

Aggregate / graph-position facts

  1. [2] . Wikimedia Foundation. dumps.wikimedia.org.
  2. [28] . Wikidata sitelinks. wikidata.org.
  3. [29] . Wikidata aliases. wikidata.org.

📑 Cite this page

Use these citations when quoting this entity in research, articles, AI prompts, or wherever provenance matters. We aggregate Wikidata + Wikipedia + authoritative open-data sources; the stitched, scored, cross-referenced view is what 4ort.xyz contributes.

APA 4ort.xyz Knowledge Graph. (2026). lactase. Retrieved May 3, 2026, from https://4ort.xyz/entity/lactase
MLA “lactase.” 4ort.xyz Knowledge Graph, 4ort.xyz, 3 May. 2026, https://4ort.xyz/entity/lactase.
BibTeX @misc{4ortxyz_lactase_2026, author = {{4ort.xyz Knowledge Graph}}, title = {{lactase}}, year = {2026}, url = {https://4ort.xyz/entity/lactase}, note = {Accessed: 2026-05-03}}
LLM prompt According to 4ort.xyz Knowledge Graph (aggregator of Wikidata, Wikipedia, and authoritative open-data sources): lactase — https://4ort.xyz/entity/lactase (retrieved 2026-05-03)

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Edit History

Rolling log of changes to this entity's Wikidata record. Values shown reflect the current state of each edited property — follow the history link to see the precise diff for any edit.

  1. 1d ago · Twofivesixbot bot · 2026-05-19 view diff on Wikidata ↗
    Found in taxon Homo sapiens
    Subject has role lactase activity
    Encoded by LCT
    Instance of
    + 10 other properties edited (see Wikidata diff for full list)
    "/* wbsetclaim-update-qualifiers:1||1|7 */ [[Property:P2347]]: 4768, mv to monolingual text names on YSO statements"
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