Skip to content

Reference

Evidence

CompoundsSubstances with curated findings
OutcomesMeasured endpoints
ProteinsTransporters and enzymes
InteractionsPairs that share biology
PapersEvery paper a finding cites
ArticlesReadings of the evidence

Chemistry

ReactionsRhea and Human-GEM, by subsystem
ReachWhat a compound can become

Reference layer

PathwaysReactions grouped under one name
ProcessesWhat proteins are annotated as doing
AnatomyTissues, by what is expressed there
Cell typesCells, by what is expressed there
OrganismsSpecies a compound is prepared from
MaterialsSubstances that are not one molecule
AssessmentsRegulatory determinations, transcribed
DiseasesFeatures, genes, and where each sits

Atlas Graph Twin Access

Search the graph

Reference

Evidence

Compounds
Outcomes
Proteins
Interactions
Papers
Articles

Chemistry

Reactions
Reach

Reference layer

Pathways
Processes
Anatomy
Cell types
Organisms
Materials
Assessments
Diseases

Atlas Graph Twin Access

Loading the page.

Catalyst

Computational infrastructure for human biology, built on a provenance-aware knowledge graph. Findings retain their sources; research and simulation are the next layers.

The graph

Compounds
Outcomes
Proteins
Atlas
Interactions
Papers
Articles
Graph
Search

Reference layer

Pathways
Processes
Anatomy
Cell types
Organisms
Materials
Assessments
Diseases
Reactions
Reach

How it works

Mission
Method
Twin
How to read the evidence
Sources and licences

Build on it

Access
In your assistant
For agents
Query the graph
Bulk export

A reference for what the literature reports. Not medical advice.

© 2026 CatalystPrivacy TermsReference data under the licences listed on the attribution page.

Proteins/UNIPROT:Q8N1Q1

CA13

Protein·UNIPROT:Q8N1Q1

Open in the graph

Catalyzes the reversible conversion of carbon dioxide to hydrogencarbonate/bicarbonate and thus is essential in the regulation of pH and metabolic processes..

Function from UniProtKB (Q8N1Q1), read 2026-09-23. CC BY 4.0.

Curated compounds routed: 0

What the reference databases state

Inferred

Inferred — not reported by a source. Evidence key

Statements

4 statements

4 statements · 3 reference databases · Subject: CA13 · Sources: Hetionet, Reactome, UniProt

Search this listOrder

CA13 covaries with BHLHE22ProteinHetionet hetionet:covaries:27319-377677Inferred only
CA13 participates in MetabolismPathwayReactome R-HSA-1430728Inferred only
CA13 participates in Reversible hydration of carbon dioxidePathwayReactome R-HSA-1475029Inferred only
CA13 requires the cofactor Zn(2+)CompoundUniProt Q8N1Q1Inferred only

Reactions

2 reactions

carbon dioxide+waterproton+hydrogencarbonate
Catalysed by CA2 or CA1 or CA7 or CA13
Reaction pageReversibleBalancedEC 4.2.1.1cytosol
Human-GEM MAR03955CC BY 4.0Reference data
hydrogencarbonate+hydroncarbon dioxide+water
Catalysed by CA12

Other names

3 names

Resolves to: CA13

Also called: CA-XIIICarbonate dehydratase XIIICarbonic anhydrase XIII

← Every protein Find it in the graph →

or CA1

or CA2

or CA4

or CA6

or CA5A

or CA7

or CA9

or CA13

or CA14

or CA5B

Reaction pageReversibleBalanced

Rhea RHEA:10748CC BY 4.0Reference data