Complement C1q binding protein

mammalian protein found in Homo sapiens

Protein protein Q21110443

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Complement C1q binding protein

Summary

Complement C1q binding protein is a protein^[1].

Key Facts

Complement C1q binding protein's instance of is recorded as protein^[2].
Complement C1q binding protein's UniProt protein ID is recorded as Q07021^[3].
Complement C1q binding protein's part of is recorded as Mitochondrial glycoprotein superfamily^[4].
Complement C1q binding protein's part of is recorded as Mitochondrial glycoprotein^[5].
Complement C1q binding protein's part of is recorded as Putative uncharacterized transport proteins^[6].
Complement C1q binding protein's RefSeq protein ID is recorded as NP_001203^[7].
Complement C1q binding protein's PDB structure ID is recorded as 1P32^[8].
Complement C1q binding protein's PDB structure ID is recorded as 3RPX^[9].
Complement C1q binding protein's molecular function is recorded as transcription corepressor activity^[10].
Complement C1q binding protein's molecular function is recorded as transcription factor binding^[11].
Complement C1q binding protein's molecular function is recorded as protein binding^[12].
Complement C1q binding protein's molecular function is recorded as hyaluronic acid binding^[13].
Complement C1q binding protein's molecular function is recorded as kininogen binding^[14].
Complement C1q binding protein's molecular function is recorded as mitochondrial ribosome binding^[15].
Complement C1q binding protein's molecular function is recorded as mRNA binding^[16].
Complement C1q binding protein's molecular function is recorded as protein kinase C binding^[17].
Complement C1q binding protein's molecular function is recorded as complement component C1q complex binding^[18].
Complement C1q binding protein's molecular function is recorded as adrenergic receptor binding^[19].
Complement C1q binding protein's molecular function is recorded as complement component C1q complex binding^[20].
Complement C1q binding protein's molecular function is recorded as transcription corepressor activity^[21].
Complement C1q binding protein's molecular function is recorded as mRNA binding^[22].
Complement C1q binding protein's molecular function is recorded as hyaluronic acid binding^[23].
Complement C1q binding protein's molecular function is recorded as transcription factor binding^[24].
Complement C1q binding protein's molecular function is recorded as translation activator activity^[25].
Complement C1q binding protein's molecular function is recorded as kininogen binding^[26].

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Quick Facts

Instance of protein

Part of Mitochondrial glycoprotein superfamily, Mitochondrial glycoprotein, Putative uncharacterized transport proteins

Properties

Biological process blood coagulation, intrinsic pathway, positive regulation of mitochondrial translation, negative regulation of interferon-gamma production, positive regulation of protein kinase B signaling, negative regulation of MDA-5 signaling pathway, regulation of transcription, DNA-templated, adaptive immune response, ribosome biogenesis, negative regulation of defense response to virus, immune system process, mRNA processing, negative regulation of transcription by RNA polymerase II, transcription, DNA-templated, positive regulation of trophoblast cell migration, positive regulation of substrate adhesion-dependent cell spreading, mature ribosome assembly, negative regulation of mRNA splicing, via spliceosome, immune response, RNA splicing, positive regulation of neutrophil chemotaxis, complement activation, classical pathway, positive regulation of apoptotic process, phosphatidylinositol 3-kinase signaling, innate immune response, viral process, positive regulation of dendritic cell chemotaxis, regulation of complement activation, negative regulation of RIG-I signaling pathway, positive regulation of cell adhesion, negative regulation of interleukin-12 production, apoptotic process, regulation of complement activation, mature ribosome assembly, negative regulation of mRNA splicing, via spliceosome, positive regulation of mitochondrial translation

Cell component cytosol, extracellular region, cell surface, mitochondrial matrix, nucleolus, cytoplasm, membrane, mitochondrion, nucleus, extracellular space, plasma membrane, presynaptic active zone, presynapse, glutamatergic synapse, GABA-ergic synapse, nucleus, mitochondrion, plasma membrane, cell surface

Encoded by C1QBP

Found in taxon Homo sapiens

Imported from wholeness_audit_2026-05-02

Molecular function transcription corepressor activity, transcription factor binding, protein binding, hyaluronic acid binding, kininogen binding, mitochondrial ribosome binding, mRNA binding, protein kinase C binding, complement component C1q complex binding, adrenergic receptor binding, complement component C1q complex binding, transcription corepressor activity, mRNA binding, hyaluronic acid binding, transcription factor binding, translation activator activity, kininogen binding, mitochondrial ribosome binding

External References (5)

Ensembl protein id ENSP00000225698, ENSP00000458624, ENSP00000460308, ENSP00000460638

Pdb structure id 1P32, 3RPX

Refseq protein id NP_001203

Transporter classification database id 9.B.103.1.1

Uniprot protein id Q07021

🏷️ Also known as

en ASF/SF2-associated protein p32 en C1QBP en C1q globular domain-binding protein en Complement C1q binding protein en complement component 1, q subcomponent binding protein en complement component 1 Q subcomponent-binding protein, mitochondrial en gC1q-R protein en glycoprotein gC1qBP en hyaluronan-binding protein 1 en mitochondrial matrix protein p32 en p33 en splicing factor SF2-associated protein

References

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

Direct Wikidata claims

[2] ↑ Complement C1q binding protein — instance of (P31): protein. Q905695. Retrieved 2019-11-13. wikidata.org.
[3] ↑ Complement C1q binding protein — UniProt protein ID (P352): Q07021. Q905695. Retrieved 2019-11-13. wikidata.org.
[4] ↑ Complement C1q binding protein — part of (P361): Mitochondrial glycoprotein superfamily. InterPro Release 71.0. ebi.ac.uk. Provenance: wikidata.org.
[5] ↑ Complement C1q binding protein — part of (P361): Mitochondrial glycoprotein. InterPro Release 71.0. ebi.ac.uk. Provenance: wikidata.org.
[6] ↑ Complement C1q binding protein — part of (P361): Putative uncharacterized transport proteins. Retrieved 2019-10-02. wikidata.org.
[7] ↑ Complement C1q binding protein — RefSeq protein ID (P637): NP_001203. Q20641742. Retrieved 2020-05-30. wikidata.org.
[8] ↑ Complement C1q binding protein — PDB structure ID (P638): 1P32. Q905695. Retrieved 2016-06-30. wikidata.org.
[9] ↑ Complement C1q binding protein — PDB structure ID (P638): 3RPX. Q905695. Retrieved 2016-06-30. wikidata.org.
[10] ↑ Complement C1q binding protein — molecular function (P680): transcription corepressor activity. Human p32, interacts with B subunit of the CCAAT-binding factor, CBF/NF-Y, and inhibits CBF-mediated transcription activation in vitro. Retrieved 2018-07-16. ebi.ac.uk. Provenance: wikidata.org.
[11] ↑ Complement C1q binding protein — molecular function (P680): transcription factor binding. Human p32, interacts with B subunit of the CCAAT-binding factor, CBF/NF-Y, and inhibits CBF-mediated transcription activation in vitro. Retrieved 2018-07-16. ebi.ac.uk. Provenance: wikidata.org.
[12] ↑ Complement C1q binding protein — molecular function (P680): protein binding. CDC2L5, a Cdk-like kinase with RS domain, interacts with the ASF/SF2-associated protein p32 and affects splicing in vivo. Retrieved 2019-04-08. ebi.ac.uk. Provenance: wikidata.org.
[13] ↑ Complement C1q binding protein — molecular function (P680): hyaluronic acid binding. Molecular cloning of human fibroblast hyaluronic acid-binding protein confirms its identity with P-32, a protein co-purified with splicing factor SF2. Hyaluronic acid-binding protein as P-32 protein, co-purified with splicing factor SF2. Retrieved 2018-07-16. ebi.ac.uk. Provenance: wikidata.org.
[14] ↑ Complement C1q binding protein — molecular function (P680): kininogen binding. Isolation and characterization of the kininogen-binding protein p33 from endothelial cells. Identity with the gC1q receptor. Retrieved 2018-07-16. ebi.ac.uk. Provenance: wikidata.org.
[15] ↑ Complement C1q binding protein — molecular function (P680): mitochondrial ribosome binding. GOA. Retrieved 2018-07-16. ebi.ac.uk. Provenance: wikidata.org.
[16] ↑ Complement C1q binding protein — molecular function (P680): mRNA binding. GOA. Retrieved 2018-07-16. ebi.ac.uk. Provenance: wikidata.org.
[17] ↑ Complement C1q binding protein — molecular function (P680): protein kinase C binding. GOA. Retrieved 2019-04-08. ebi.ac.uk. Provenance: wikidata.org.
[18] ↑ Complement C1q binding protein — molecular function (P680): complement component C1q complex binding. GOA. Retrieved 2018-07-16. ebi.ac.uk. Provenance: wikidata.org.
[19] ↑ Complement C1q binding protein — molecular function (P680): adrenergic receptor binding. GOA. Retrieved 2019-04-08. ebi.ac.uk. Provenance: wikidata.org.
[20] ↑ Complement C1q binding protein — molecular function (P680): complement component C1q complex binding. GOA. Retrieved 2019-04-08. ebi.ac.uk. Provenance: wikidata.org.
[21] ↑ Complement C1q binding protein — molecular function (P680): transcription corepressor activity. Human p32, interacts with B subunit of the CCAAT-binding factor, CBF/NF-Y, and inhibits CBF-mediated transcription activation in vitro. Retrieved 2019-04-08. ebi.ac.uk. Provenance: wikidata.org.
[22] ↑ Complement C1q binding protein — molecular function (P680): mRNA binding. GOA. Retrieved 2019-04-08. ebi.ac.uk. Provenance: wikidata.org.
[23] ↑ Complement C1q binding protein — molecular function (P680): hyaluronic acid binding. Molecular cloning of human fibroblast hyaluronic acid-binding protein confirms its identity with P-32, a protein co-purified with splicing factor SF2. Hyaluronic acid-binding protein as P-32 protein, co-purified with splicing factor SF2. Retrieved 2019-04-08. ebi.ac.uk. Provenance: wikidata.org.
[24] ↑ Complement C1q binding protein — molecular function (P680): transcription factor binding. Human p32, interacts with B subunit of the CCAAT-binding factor, CBF/NF-Y, and inhibits CBF-mediated transcription activation in vitro. Retrieved 2019-04-08. ebi.ac.uk. Provenance: wikidata.org.
[25] ↑ Complement C1q binding protein — molecular function (P680): translation activator activity. Phylogenetic-based propagation of functional annotations within the Gene Ontology consortium. Retrieved 2019-04-08. ebi.ac.uk. Provenance: wikidata.org.
[26] ↑ Complement C1q binding protein — molecular function (P680): kininogen binding. Isolation and characterization of the kininogen-binding protein p33 from endothelial cells. Identity with the gC1q receptor. Retrieved 2019-04-08. ebi.ac.uk. Provenance: wikidata.org.

Class ancestry

[1] ↑ Complement C1q binding protein is an instance of protein (Q8054) [P31, primary]. Wikidata. wikidata.org.

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MLA

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BibTeX

@misc{4ortxyz_complement-c1q-binding-protein-q21110443_2026, author = {{4ort.xyz Knowledge Graph}}, title = {{Complement C1q binding protein}}, year = {2026}, url = {https://4ort.xyz/entity/complement-c1q-binding-protein-q21110443}, note = {Accessed: 2026-05-03}}

LLM prompt

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