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C2

protein-coding gene in the species Homo sapiens
Class type of: protein-coding gene Q13566093

Facts

14 properties
Instance of
gene
Subclass of
protein-coding gene
Chromosome
human chromosome 6
Cytogenetic location
6p21.33
Different from
C2
Encodes
Complement C2, Complement component 2, isoform CRA_b, Complement C2[10][11]
Expressed in
liver, right lobe of liver, placenta, spleen, upper lobe of left lung, gallbladder, appendix, right lung, lymph node, duodenum
Found in taxon
Homo sapiens[12]
Genetic association
hepatocellular carcinoma, age related macular degeneration 14
Genomic end
31913449, 31945673[6][7]
Genomic start
31897785, 31865562[4][5]
HomoloGene ID
45[3]
Ortholog
C2, C2, si:ch1073-280e3.1[8][9]
Strand orientation
forward strand
🏷️ Also known as
en ARMD14 en C2 en CO2 en complement C2 en complement component 2
🔖 Identifiers · 15
OpenAlex ID
C136015124
Image (Wikimedia Commons)
Protein C2 PDB 2i6q.png ↗
BabelNet ID
03427114n
Ensembl gene ID
ENSG00000206372, ENSG00000235017, ENSG00000235696, ENSG00000226560, ENSG00000204364, ENSG00000166278, ENSG00000231543
Ensembl transcript ID
ENST00000383362, ENST00000493064, ENST00000497706, ENST00000433109, ENST00000419062, ENST00000428140, ENST00000497466, ENST00000442278, ENST00000431247, ENST00000411885, ENST00000482418, ENST00000480625, ENST00000452202, ENST00000460487, ENST00000383367, ENST00000490020, ENST00000486761, ENST00000446097, ENST00000449738, ENST00000548973, ENST00000413548, ENST00000489229, ENST00000423826, ENST00000615380, ENST00000492777, ENST00000483849, ENST00000495674, ENST00000414609, ENST00000418949, ENST00000421932, ENST00000549997, ENST00000448206, ENST00000432285, ENST00000436560, ENST00000468407, ENST00000482802, ENST00000479997, ENST00000495405, ENST00000483332, ENST00000411830, ENST00000549972, ENST00000466858, ENST00000422470, ENST00000618254, ENST00000548995, ENST00000488666, ENST00000449293, ENST00000612228, ENST00000497736, ENST00000466838, ENST00000437162, ENST00000416456, ENST00000552638, ENST00000458410, ENST00000494965, ENST00000479385, ENST00000469807, ENST00000469696, ENST00000621558, ENST00000494905, ENST00000435104, ENST00000473998, ENST00000440861, ENST00000477630, ENST00000383359, ENST00000491097, ENST00000474222, ENST00000447164, ENST00000411571, ENST00000472803, ENST00000491198, ENST00000383177, ENST00000550045, ENST00000491080, ENST00000482060, ENST00000445056, ENST00000461900, ENST00000475544, ENST00000466537, ENST00000455713, ENST00000613837, ENST00000447952, ENST00000550682, ENST00000491566, ENST00000428349, ENST00000551081, ENST00000457446, ENST00000415985, ENST00000548250, ENST00000458436, ENST00000469372, ENST00000490080, ENST00000437394, ENST00000551648, ENST00000618948, ENST00000493575, ENST00000299367, ENST00000484209, ENST00000485690, ENST00000495226, ENST00000547984, ENST00000484636, ENST00000486419, ENST00000484901, ENST00000413154, ENST00000615801, ENST00000548500, ENST00000498138, ENST00000486307, ENST00000452763, ENST00000483976, ENST00000417322, ENST00000485098, ENST00000439426, ENST00000548828, ENST00000375510, ENST00000411803, ENST00000413649, ENST00000462325, ENST00000476210, ENST00000452323, ENST00000418584, ENST00000486124, ENST00000485544, ENST00000550363, ENST00000464303, ENST00000614291, ENST00000416252, ENST00000435596, ENST00000695638, ENST00000695640, ENST00000695645, ENST00000695646, ENST00000695644, ENST00000695637, ENST00000695639
Entrez Gene ID
717
Exact match
identifiers.org
Freebase ID
/m/0fjdkd
HGNC ID
1248
HGNC gene symbol
C2
Microsoft Academic ID (discontinued)
136015124
OMIM ID
613927
Show all 15 identifiers +3
RefSeq RNA ID
NM_000063, NM_001145903, NM_001178063, NM_001282457, NM_001282458, NM_001282459
UMLS CUI
C1412938
Yle topic ID
18-257735

Report an error or request removal Lineage (PROV-JSON)

🔗 Connections
Expressed in 7
liver, spleen, gallbladder, placenta, duodenum, lymph node, appendix
Chromosome 1
human chromosome 6
Different from 1
C2
Found in taxon 1
Homo sapiens
Genetic association 1
hepatocellular carcinoma
Instance of 1
gene
← Genetic association 1
hepatocellular carcinoma
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Summary

C2 is a gene[1]. C2 is a type of protein-coding gene[2].

References

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

Direct Wikidata claims

  1. [2] ↑ . NCBI homo sapiens annotation release 107. Retrieved . wikidata.org.
  2. [3] ↑ . NCBI Gene. Retrieved . wikidata.org.
  3. [4] ↑ . ensembl Release 106. wikidata.org.
  4. [5] ↑ . ensembl Release 106. wikidata.org.
  5. [6] ↑ . ensembl Release 106. wikidata.org.
  6. [7] ↑ . ensembl Release 106. wikidata.org.
  7. [8] ↑ . HomoloGene build68. omabrowser.org. Provenance: wikidata.org.
  8. [9] ↑ . HomoloGene build68. wikidata.org.
  9. [10] ↑ . UniProt. Retrieved . wikidata.org.
  10. [11] ↑ . UniProt. Retrieved . wikidata.org.
  11. [12] ↑ . ensembl Release 106. wikidata.org.

Class ancestry

  1. [1] ↑ . Wikidata. 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). C2. Retrieved November 8, 2026, from https://4ort.xyz/entity/c2-q13566093-2
MLA “C2.” 4ort.xyz Knowledge Graph, 4ort.xyz, 8 Nov. 2026, https://4ort.xyz/entity/c2-q13566093-2.
BibTeX @misc{4ortxyz_c2-q13566093-2_2026, author = {{4ort.xyz Knowledge Graph}}, title = {{C2}}, year = {2026}, url = {https://4ort.xyz/entity/c2-q13566093-2}, note = {Accessed: 2026-11-08}}
LLM prompt According to 4ort.xyz Knowledge Graph (aggregator of Wikidata, Wikipedia, and authoritative open-data sources): C2 — https://4ort.xyz/entity/c2-q13566093-2 (retrieved 2026-11-08)

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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. 24w ago · Mathieu Kappler · 2026-05-20 view diff on Wikidata ↗
    Genetic association → hepatocellular carcinoma, age related macular degeneration 14
    Different from → C2
    Chromosome → human chromosome 6
    Strand orientation → forward strand
    + 6 other properties edited (see Wikidata diff for full list)
    "Changed [gsw] labels, descriptions or aliases: QuickStatements 3.0 batch #32527: human gene name and description in Alemannic"
Live feed via Wikidata EventStreams. New edits appear within minutes of being made on Wikidata.