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C1QB (complement C1q B chain)
Gene
Gene SNPs miRNA Gene ontology Other IDs Protein Pathways Associated diseases
Entrez ID Entrez Gene ID - the GENE ID in NCBI Gene database.
713
Gene nameGene Name - the full gene name approved by the HGNC.
Complement C1q B chain
Gene symbolGene Symbol - the official gene symbol approved by the HGNC, which is a short abbreviated form of the gene name.
C1QB
SynonymsGene synonyms aliases
C1QD2
ChromosomeChromosome number
1
Chromosome locationChromosomal Location - indicates the cytogenetic location of the gene or region on the chromosome.
1p36.12
SummarySummary of gene provided in NCBI Entrez Gene.
This gene encodes the B-chain polypeptide of serum complement subcomponent C1q, which associates with C1r and C1s to yield the first component of the serum complement system. C1q is composed of 18 polypeptide chains which include 6 A-chains, 6 B-chains, a
SNPsSNP information provided by dbSNP.
Gene SNPs miRNA Gene ontology Other IDs Protein Pathways Associated diseases
SNP ID Visualize variation Clinical significance Consequence
rs34813378 G>A Pathogenic Coding sequence variant, missense variant
rs1064797108 C>- Likely-pathogenic Coding sequence variant, frameshift variant
rs1361922961 G>C,T Pathogenic Splice donor variant
miRNAmiRNA information provided by mirtarbase database.
Gene SNPs miRNA Gene ontology Other IDs Protein Pathways Associated diseases
miRTarBase ID miRNA Experiments Reference
MIRT030305 hsa-miR-26b-5p Microarray 19088304
Gene ontology (GO)Gene ontology information of associated ontologies with gene provided by GO database.
Gene SNPs miRNA Gene ontology Other IDs Protein Pathways Associated diseases
GO ID Ontology Definition Evidence Reference
GO:0005515 Function Protein binding IPI 7240, 12960167, 21054788, 28018340, 32296183
GO:0005576 Component Extracellular region TAS
GO:0005581 Component Collagen trimer IEA
GO:0005602 Component Complement component C1 complex TAS 1706597
GO:0006956 Process Complement activation TAS
Other IDsOther ids provides unique ids of gene in databases such as OMIM, HGNC, ENSEMBLE.
Gene SNPs miRNA Gene ontology Other IDs Protein Pathways Associated diseases
MIM
HGNC
e!Ensembl
Protein
Gene SNPs miRNA Gene ontology Other IDs Protein Pathways Associated diseases
UniProt ID P02746
Protein name Complement C1q subcomponent subunit B
Protein function Core component of the complement C1 complex, a multiprotein complex that initiates the classical pathway of the complement system, a cascade of proteins that leads to phagocytosis and breakdown of pathogens and signaling that strengthens the ada
PDB 1PK6 , 2JG8 , 2JG9 , 2WNU , 2WNV , 5HKJ , 5HZF , 6FCZ , 6Z6V , 9C9L , 9C9U
Family and domains

Pfam

Accession ID Position in sequence Description Type
PF01391 Collagen
30 → 86
Collagen triple helix repeat (20 copies)
 Repeat
PF01391 Collagen
60 → 120
Collagen triple helix repeat (20 copies)
 Repeat
PF00386 C1q
123 → 247
C1q domain
 Domain
Sequence
Sequence length 253
Interactions View interactions
PathwaysPathway information has different metabolic/signaling pathways associated with genes. Each record is hyperlinked to a complete information page which also includes links to the KEGG/Reactome pathway database.
Gene SNPs miRNA Gene ontology Other IDs Protein Pathways Associated diseases
 
KEGG
  
Reactome
  Efferocytosis
Complement and coagulation cascades
Alcoholic liver disease
Prion disease
Pertussis
Chagas disease
Staphylococcus aureus infection
Coronavirus disease - COVID-19
Systemic lupus erythematosus 		  Initial triggering of complement
Classical antibody-mediated complement activation
Regulation of Complement cascade
Associated diseases
Gene SNPs miRNA Gene ontology Other IDs Protein Pathways Associated diseases
Causal
Disease name Disease term dbSNP ID References
Breast cancer Malignant neoplasm of breast rs587776547, rs1137887, rs137853007, rs587776650, rs80359351, rs80359714, rs121917783, rs104886456, rs121964878, rs80359874, rs80357868, rs80357508, rs387906843, rs80357569, rs80358158, rs80357524, rs80357115, rs80357945, rs80357729, rs80357609, rs80357259, rs80357981, rs80358063, rs80357389, rs80356862, rs80359876, rs80357580, rs80358053, rs80358089, rs80187739, rs397507241, rs80358069, rs80357590, rs80357284, rs80357941, rs80359261, rs80359272, rs80359276, rs276174813, rs80358474, rs80359316, rs1555282969, rs80359388, rs80359499, rs80359505, rs80359520, rs80359526, rs80359533, rs56253082, rs80358824, rs80359554, rs80359636, rs80359651, rs80359659, rs80359011, rs80359012, rs80359013, rs80359718, rs397507410, rs81002812, rs80359730, rs80359152, rs80359159, rs397507419, rs28897759, rs80359211, rs80359775, rs397514577, rs397507584, rs80358435, rs80358456, rs80359340, rs80359343, rs80359365, rs80358579, rs397507670, rs80358593, rs80359406, rs80359444, rs80359454, rs276174853, rs276174854, rs80359483, rs80359537, rs80358815, rs80358843, rs80359558, rs80359560, rs80359594, rs80358893, rs28897743, rs397507900, rs397507906, rs397507918, rs80358971, rs80358981, rs397507941, rs80359030, rs80359035, rs41293511, rs397507396, rs81002806, rs80359112, rs397508006, rs81002893, rs45580035, rs80359760, rs397508051, rs80359772, rs4987049, rs80359777, rs80357770, rs397508867, rs62625303, rs397508874, rs80357506, rs80357287, rs273898674, rs80358042, rs80358083, rs80357058, rs41286296, rs80357960, rs80356945, rs80357223, rs386134270, rs80358116, rs80357856, rs80357424, rs397509050, rs80357485, rs80357966, rs397509067, rs80357310, rs80356866, rs80357260, rs80357437, rs80358023, rs80358086, rs80357133, rs80356993, rs80357997, rs80357239, rs80357227, rs397509243, rs80356969, rs80356959, rs63750617, rs63751319, rs587779315, rs200640585, rs398122546, rs80357543, rs398122687, rs80359328, rs398122779, rs398122783, rs62517194, rs80358029, rs515726060, rs180177103, rs180177111, rs180177133, rs587776527, rs180177135, rs180177136, rs515726117, rs587779813, rs587779909, rs587780024, rs587780100, rs28909982, rs121908698, rs180177100, rs587780210, rs587780240, rs587780639, rs587781269, rs587781353, rs587781471, rs587781658, rs587781697, rs587781730, rs587781894, rs587781948, rs587782005, rs587782011, rs200928781, rs587781558, rs370228071, rs587782245, rs587782401, rs180177110, rs587782504, rs72552322, rs587782531, rs587782620, rs587782680, rs587782774, rs587782818, rs730881411, rs730881389, rs564652222, rs397507768, rs587776419, rs730881868, rs730881940, rs56383036, rs758972589, rs201089102, rs730881348, rs786202608, rs786201886, rs786203318, rs786203775, rs786203714, rs786202033, rs750621215, rs786203884, rs786203650, rs772821016, rs863224521, rs864622223, rs864622655, rs375699023, rs876659572, rs768362387, rs876659535, rs876658957, rs483353072, rs876659435, rs267608041, rs876661113, rs730881369, rs878853535, rs772228129, rs878855122, rs760551339, rs80359596, rs397509222, rs886039630, rs886039683, rs886040828, rs587781799, rs886040374, rs886040649, rs397507967, rs878854957, rs886040043, rs1057517589, rs1060502769, rs866380588, rs863224765, rs1064793243, rs747563556, rs1555074976, rs1064795885, rs753961188, rs1064794708, rs869312772, rs1064793887, rs1131690820, rs1135401928, rs1135401868, rs1135401859, rs1553370324, rs397507630, rs1555283160, rs1555283251, rs1555283262, rs1555283361, rs1555286298, rs1555288462, rs886040950, rs1555289566, rs776323117, rs80357123, rs1555579627, rs1555580697, rs80358054, rs1555593302, rs1328985852, rs763470424, rs1555139694, rs878854697, rs1555461217, rs1555461765, rs774684620, rs766416564, rs1554558613, rs1305740166, rs1555461460, rs1555461407, rs1555461586, rs1555567202, rs1555607022, rs1555069815, rs1442299125, rs1474786480, rs1555084947, rs1555457867, rs141087784, rs1482641121, rs1564830522, rs1565469955, rs1565503137, rs864622613, rs755263466, rs757679199, rs1593903166, rs1597801649, rs1603293306, rs879253880, rs80358754, rs1597062038, rs45494092, rs1603275367, rs887358871, rs1597091518, rs1966967065, rs1064793049, rs2082872908, rs2085078278, rs2072475243
C1q deficiency C1q DEFICIENCY rs377549148, rs200206736, rs121909581, rs34139950, rs34813378, rs1570073403 9476130, 12133956
Complement component deficiency Complement deficiency disease rs387906509, rs1467298230, rs1022194067, rs774370086, rs121964922, rs372345940, rs121913052, rs121913053, rs460897, rs121913054, rs121913056, rs121913058, rs796052138, rs41286844, rs121909592, rs34000044, rs121909594, rs121909587, rs121909588, rs387906554, rs587776846, rs2135727106, rs460184, rs775967055, rs398122811, rs140813121, rs146187042, rs372968576, rs398122867, rs398122868, rs9332736, rs398124644, rs142881576, rs531103546, rs764871530, rs778518669, rs139491301, rs61469168, rs1554718962, rs1565789104, rs1579848888, rs779723422, rs867425110, rs770367814 12133956
Glomerulonephritis IGA Glomerulonephritis rs778043831 25133636
Unknown
Disease name Disease term dbSNP ID References
Antibody deficiency syndrome Antibody Deficiency Syndrome 2894352
Corpus luteum cyst Corpus Luteum Cyst 21239663
Immunologic deficiency syndromes Immunologic Deficiency Syndromes 2894352
Liver cirrhosis Liver Cirrhosis 26396155

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