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C1QA: complement C1q A chain

1 protein, 189 patents, 0 drugs, 0 trials, 6,303 NIH grants and 16,462 papers.

Gene 7

Its symbol and name are HGNC's, unless HGNC and NCBI Gene contradict each other.

FieldValueSource
SymbolC1QAHGNC
Namecomplement C1q A chainHGNC
NCBI Gene ID712NCBI Gene
HGNC IDHGNC:1241HGNC
EnsemblENSG00000173372NCBI Gene
AliasesC1QD1NCBI Gene
Typeprotein-codingNCBI Gene

Proteins 1

Reviewed human proteins whose Swiss-Prot entry states the gene.

UniProt entryProteinLengthStructuresGene stated inSource
P02745Complement C1q subcomponent subunit A24511Ensembl, GeneID, HGNCUniProt

Patents 189

Patents whose sequence listing holds the protein exactly: the same sequence, by SHA-256, length and CRC-64. A sequence a patent lists is not always one it claims.

PublicationPublishedSEQ ID NOProteinSource
US 12560619 B22026-02-24114P02745Espacenet
JP 2026028257 A2026-02-191P02745Espacenet
US 12534522 B22026-01-271P02745Espacenet
EP 4670793 A12025-12-311P02745Espacenet
WO 2025262255 A12025-12-2612P02745Espacenet
EP 4650780 A22025-11-199496P02745Espacenet
WO 2025229160 A12025-11-0617P02745Espacenet
WO 2025229161 A12025-11-0643P02745Espacenet
JP 2025533847 A2025-10-091P02745Espacenet
JP 2025147176 A2025-10-061771P02745Espacenet

Drugs 0

Drugs a ChEMBL mechanism record says act on the gene's protein, through Open Targets.

DrugChEMBL IDMechanismActionSource

Trials 0

Trials of those drugs. A trial joins the gene only through a drug that acts on it.

TrialDrugPhaseResults first postedSource

NIH grants 6303

NIH projects whose papers are about the gene, through NIH's grant-paper links.

ProjectTitleIts papers about the geneNewest fiscal yearSource
P30CA008748Cancer Center Support Grant322,025NIH's project files
UL1TR001863Yale Clinical and Translational Science Award222,025NIH's project files
P30CA016672Cancer Center Support Grant182,025NIH's project files
R01DK076690Complement-mediated injury of the kidney: New mechanisms and novel therapies142,025NIH's project files
R01AR051749Complement in the Pathogenesis of Autoimmune Arthritis132,025NIH's project files
R01DK078244Molecular Basis of Pathogenicity of IgA1-containing Immune Complexes122,025NIH's project files
R01DK084171CTRP and Metabolic Control122,025NIH's project files
P30CA016042Cancer Center Support Grant112,025NIH's project files
P30CA062203Cancer Center Support Grant112,025NIH's project files
P30CA091842Cancer Center Support Grant112,025NIH's project files

Papers 16462

Newest first. Swiss-Prot's references are curated; PubTator's text mining finds papers that name the gene, not always ones about it.

PMIDFound bySource
42812170PubTator, text miningPubMed
42807446PubTator, text miningPubMed
42800570PubTator, text miningPubMed
42793822PubTator, text miningPubMed
42790660PubTator, text miningPubMed
42789536PubTator, text miningPubMed
42788065PubTator, text miningPubMed
42780117PubTator, text miningPubMed
42775855PubTator, text miningPubMed
42774827PubTator, text miningPubMed

The same record as JSON

Release gene-search-2026-11-11-0.1.0

ClinicalTrials.gov's posted results, through CTTI's AACT: ClinicalTrials.gov data via Aggregate Analysis of ClinicalTrials.gov (AACT), CTTI. CTTI makes its materials freely available and requests acknowledgement. https://aact.ctti-clinicaltrials.org/documentation/299 ClinicalTrials.gov's data carry an international copyright outside the United States: https://clinicaltrials.gov/about-site/terms-conditions.

ChEMBL, through Open Targets: CC BY-SA 3.0, for the parts from ChEMBL. Read on 8 Nov 2026 at https://platform-docs.opentargets.org/licence

ClinicalTrials.gov: none stated ClinicalTrials.gov's data carry an international copyright outside the United States: https://clinicaltrials.gov/about-site/terms-conditions.

EMBL-EBI's patent proteins: EMBL-EBI's patent protein files from the EPO, JPO, KIPO and USPTO. EMBL-EBI: "EMBL-EBI itself places no additional restrictions on the use or redistribution of the data available via its Data Resources and Tools other than those provided by the original data owners" and "EMBL-EBI expects attribution (e.g. in publications, services or products) for the use of any of its Data Resources and Tools." Read on 11 Nov 2026 at https://www.ebi.ac.uk/about/terms-of-use

GenBank's patent files: GenBank's patent files. NCBI: "NCBI places no restrictions on the use or distribution of the GenBank data. However, some submitters may claim patent, copyright, or other intellectual property rights in all or a portion of the data they have submitted." Read on 11 Nov 2026 at https://www.ncbi.nlm.nih.gov/genbank/about/

HGNC: CC0: https://www.genenames.org/about/license/

NCBI Gene: None named for the file. NCBI says information created by or for the US government on its site is in the public domain, and asks that NLM be acknowledged: https://www.ncbi.nlm.nih.gov/home/about/policies/

NIH's project files and grant-paper links: Public domain (NIH RePORTER)

Open Targets: CC0 1.0. Open Targets asks that users cite its latest paper: Buniello et al. 2025, Open Targets Platform: facilitating therapeutic hypotheses building in drug discovery, Nucleic Acids Research 53(D1):D1467, PMID 39657122. Read on 8 Nov 2026 at https://platform-docs.opentargets.org/licence

PubTator 3: Public domain

UniProt: CC BY 4.0. UniProt's licence file: "All databases and documents in the UniProt FTP directory may be copied and redistributed freely, without advance permission, provided that this copyright statement is reproduced with each copy." UniProt asks that users cite its latest paper: The UniProt Consortium, UniProt: the Universal Protein Knowledgebase in 2025, Nucleic Acids Research 53:D609-D617, https://doi.org/10.1093/nar/gkae1010. Read on 9 Nov 2026 at https://www.uniprot.org/help/license