FCGR2B Fc gamma receptor IIb [Homo sapiens (human)] - Gene

Summary

Official Symbol: FCGR2Bprovided by HGNC
Official Full Name: Fc gamma receptor IIbprovided by HGNC
Primary source: HGNC:HGNC:3618
See related: Ensembl:ENSG00000072694 MIM:604590
Gene type: protein coding
RefSeq status: REVIEWED
Organism: Homo sapiens
Lineage: Eukaryota; Metazoa; Chordata; Craniata; Vertebrata; Euteleostomi; Mammalia; Eutheria; Euarchontoglires; Primates; Haplorrhini; Catarrhini; Hominidae; Homo
Also known as: CD32; FCG2; CD32B; FCGR2; IGFR2; FCGR2C; FcGRIIB; FcRII-c; FcgammaRIIb
Summary: The protein encoded by this gene is a low affinity receptor for the Fc region of immunoglobulin gamma complexes. The encoded protein is involved in the phagocytosis of immune complexes and in the regulation of antibody production by B-cells. Variations in this gene may increase susceptibilty to systemic lupus erythematosus (SLE). Several transcript variants encoding different isoforms have been found for this gene. [provided by RefSeq, Jun 2010]
Expression: Biased expression in placenta (RPKM 92.9), appendix (RPKM 9.6) and 6 other tissues See more
Orthologs: all
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Genomic context

Location:: 1q23.3

Exon count:: 11

Annotation release	Status	Assembly	Chr	Location
109.20211119	current	GRCh38.p13 (GCF_000001405.39)	1	NC_000001.11 (161647243..161678654)
105.20201022	previous assembly	GRCh37.p13 (GCF_000001405.25)	1	NC_000001.10 (161617033..161648444)

Chromosome 1 - NC_000001.11 Genomic Context describing neighboring genes

Genomic regions, transcripts, and products

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Go to reference sequence details

Genomic Sequence:

Go to nucleotide: Graphics FASTA GenBank

Expression

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See details

Project title: HPA RNA-seq normal tissues
Description: RNA-seq was performed of tissue samples from 95 human individuals representing 27 different tissues in order to determine tissue-specificity of all protein-coding genes
BioProject: PRJEB4337
Publication: PMID 24309898
Analysis date: Wed Apr 4 07:08:55 2018

Bibliography

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GeneRIFs: Gene References Into Functions

What's a GeneRIF?

Accelerated Clearance and Degradation of Cell-Free HIV by Neutralizing Antibodies Occurs via FcgammaRIIb on Liver Sinusoidal Endothelial Cells by Endocytosis.
Title: Accelerated Clearance and Degradation of Cell-Free HIV by Neutralizing Antibodies Occurs via FcγRIIb on Liver Sinusoidal Endothelial Cells by Endocytosis.
FcgammaRIIb Expression Is Decreased on Naive and Marginal Zone-Like B Cells From Females With Multiple Sclerosis.
Title: FcγRIIb Expression Is Decreased on Naive and Marginal Zone-Like B Cells From Females With Multiple Sclerosis.
Overexpression of FcgammaRIIB regulates downstream protein phosphorylation and suppresses B cell activation to ameliorate systemic lupus erythematosus.
Title: Overexpression of FcγRIIB regulates downstream protein phosphorylation and suppresses B cell activation to ameliorate systemic lupus erythematosus.
FcgammaR2B B2.4 haplotype predicts increased risk of red blood cell alloimmunization in sickle cell disease patients.
Title: FcγR2B B2.4 haplotype predicts increased risk of red blood cell alloimmunization in sickle cell disease patients.
Human Fcgamma-receptor IIb modulates pathogen-specific versus self-reactive antibody responses in lyme arthritis.
Title: Human Fcγ-receptor IIb modulates pathogen-specific versus self-reactive antibody responses in lyme arthritis.
The Complex Association of FcgammaRIIb With Autoimmune Susceptibility.
Title: The Complex Association of FcγRIIb With Autoimmune Susceptibility.
Study in syngeneic mouse glioblastoma (GBM) model, human GBM samples, and cancer-immune cell co-culture revealed that IGFBP2-promoted immunosuppression associated with its induction of the mesenchymal feature of GBM cells and the inhibitory phosphorylated FcgammaRIIB of GBM exposed immune cells. Inhibition of IGFBP2 relieved immunosuppression by increasing CD8+ T and CD19+ B cells and decreasing CD163+ M2 macrophages.
Title: IGFBP2 promotes immunosuppression associated with its mesenchymal induction and FcγRIIB phosphorylation in glioblastoma.
The authors identified a subset of effector CD8(+) T cells that expressed the inhibitory fragment crystallizable receptor FcgammaRIIB following activation and multiple rounds of division. these findings demonstrate a cell-intrinsic coinhibitory function of FcgammaRIIB in regulating CD8(+) T cell immunity.
Title: Signaling through the Inhibitory Fc Receptor FcγRIIB Induces CD8<sup>+</sup> T Cell Apoptosis to Limit T Cell Immunity.
I232T substitution reduces in situ two-dimensional binding affinities and association rates of FcgammaRIIB to interact with its ligands, IgG1, IgG2 and IgG3 by three to four folds. This allosteric regulation by a single nucleotide polymorphism provides an intrinsic molecular mechanism for the functional loss of FcgammaRIIB-I232T in systemic lupus erythematosus patients.
Title: FcγRIIB-I232T polymorphic change allosterically suppresses ligand binding.
Graves' disease patients had a reduced CD32 expression on monocytes.
Title: Decreased expression of FcγRII in active Graves' disease patients.

Submit: New GeneRIF Correction See all GeneRIFs (151)

Phenotypes

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Find tests for this gene in the NIH Genetic Testing Registry (GTR)

Review eQTL and phenotype association data in this region using PheGenI

Associated conditions

Description	Tests
Genome-wide association study identifies multiple loci influencing human serum metabolite levels. GeneReviews: Not available
Host-microbe interactions have shaped the genetic architecture of inflammatory bowel disease. GeneReviews: Not available
Meta-analysis identifies 29 additional ulcerative colitis risk loci, increasing the number of confirmed associations to 47. GeneReviews: Not available
Susceptibility to malaria MedGen: C1970028 OMIM: 611162 GeneReviews: Not available	Compare labs
Systemic lupus erythematosus MedGen: C0024141 OMIM: 152700 GeneReviews: Not available	Compare labs

Variation

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See variants in ClinVar

See studies and variants in dbVar

See Variation Viewer (GRCh37.p13)

See Variation Viewer (GRCh38)

HIV-1 interactions

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Protein interactions

Protein	Gene	Interaction	Pubs
Envelope surface glycoprotein gp120	env	IgG2 and IgG4 bind more poorly to enzymatically deglycosylated recombinant gp120 (rgp120) than to unchanged rgp120	PubMed
Nef	nef	HIV-1 Nef downregulates Fc-gamma Receptor II in human monocytes/macrophages	PubMed

Go to the HIV-1, Human Interaction Database

Interactions

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Products	Interactant	Other Gene	Complex	Source	Pubs	Description

General gene information

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Markers

RH66834 (e-PCR)
- UniSTS:29229

G06355 (e-PCR)
- UniSTS:73835

RH69121 (e-PCR)
- UniSTS:32170

PMC26659P1 (e-PCR)
- UniSTS:272343

GDB:190031 (e-PCR)
- UniSTS:155610

RH11110 (e-PCR)
- UniSTS:68838

Homology

Homologs of the FCGR2B gene: The FCGR2B gene is conserved in chimpanzee, Rhesus monkey, dog, cow, mouse, and rat.
Orthologs from Annotation Pipeline: 93 organisms have orthologs with human gene FCGR2B
Orthologs

Gene Ontology Provided by GOA

Function	Evidence Code	Pubs
enables IgG binding	IDA Inferred from Direct Assay more info	PubMed
enables amyloid-beta binding	IPI Inferred from Physical Interaction more info	PubMed
enables amyloid-beta binding	TAS Traceable Author Statement more info	PubMed
enables low-affinity IgG receptor activity	IDA Inferred from Direct Assay more info	PubMed
enables protein binding	IPI Inferred from Physical Interaction more info	PubMed
enables protein-containing complex binding	IPI Inferred from Physical Interaction more info	PubMed
enables transmembrane signaling receptor activity	IBA Inferred from Biological aspect of Ancestor more info	PubMed

Process	Evidence Code	Pubs
involved_in Fc-gamma receptor signaling pathway involved in phagocytosis	IDA Inferred from Direct Assay more info	PubMed
involved_in antigen processing and presentation of exogenous peptide antigen via MHC class II	ISS Inferred from Sequence or Structural Similarity more info	PubMed
involved_in cell surface receptor signaling pathway	IBA Inferred from Biological aspect of Ancestor more info	PubMed
involved_in cellular response to amyloid-beta	ISS Inferred from Sequence or Structural Similarity more info	PubMed
involved_in cellular response to molecule of bacterial origin	ISS Inferred from Sequence or Structural Similarity more info	PubMed
involved_in cerebellum development	ISS Inferred from Sequence or Structural Similarity more info	PubMed
involved_in defense response	ISS Inferred from Sequence or Structural Similarity more info	PubMed
involved_in follicular B cell differentiation	TAS Traceable Author Statement more info	PubMed
involved_in follicular dendritic cell activation	TAS Traceable Author Statement more info	PubMed
involved_in immune complex clearance by monocytes and macrophages	TAS Traceable Author Statement more info	PubMed
involved_in immune response	TAS Traceable Author Statement more info	PubMed
involved_in immunoglobulin mediated immune response	ISS Inferred from Sequence or Structural Similarity more info	PubMed
involved_in inflammatory response	TAS Traceable Author Statement more info	PubMed
NOT involved_in mast cell activation	ISS Inferred from Sequence or Structural Similarity more info	PubMed
involved_in mature B cell differentiation involved in immune response	TAS Traceable Author Statement more info	PubMed
involved_in negative regulation of B cell activation	TAS Traceable Author Statement more info	PubMed
involved_in negative regulation of B cell proliferation	ISS Inferred from Sequence or Structural Similarity more info	PubMed
involved_in negative regulation of B cell receptor signaling pathway	IMP Inferred from Mutant Phenotype more info	PubMed
involved_in negative regulation of acute inflammatory response to antigenic stimulus	ISS Inferred from Sequence or Structural Similarity more info	PubMed
involved_in negative regulation of antibody-dependent cellular cytotoxicity	TAS Traceable Author Statement more info	PubMed
involved_in negative regulation of cytokine production	TAS Traceable Author Statement more info	PubMed
involved_in negative regulation of cytotoxic T cell degranulation	TAS Traceable Author Statement more info	PubMed
involved_in negative regulation of dendritic cell antigen processing and presentation	TAS Traceable Author Statement more info	PubMed
involved_in negative regulation of dendritic cell differentiation	TAS Traceable Author Statement more info	PubMed
involved_in negative regulation of humoral immune response mediated by circulating immunoglobulin	ISS Inferred from Sequence or Structural Similarity more info	PubMed
involved_in negative regulation of immune response	ISS Inferred from Sequence or Structural Similarity more info	PubMed
involved_in negative regulation of immunoglobulin production	ISS Inferred from Sequence or Structural Similarity more info	PubMed
involved_in negative regulation of interleukin-10 production	ISS Inferred from Sequence or Structural Similarity more info	PubMed
involved_in negative regulation of macrophage activation	TAS Traceable Author Statement more info	PubMed
involved_in negative regulation of neutrophil activation	TAS Traceable Author Statement more info	PubMed
involved_in negative regulation of phagocytosis	TAS Traceable Author Statement more info	PubMed
involved_in negative regulation of type I hypersensitivity	ISS Inferred from Sequence or Structural Similarity more info	PubMed
involved_in phagocytosis, engulfment	ISS Inferred from Sequence or Structural Similarity more info	PubMed
involved_in positive regulation of JNK cascade	ISS Inferred from Sequence or Structural Similarity more info	PubMed
involved_in positive regulation of humoral immune response	TAS Traceable Author Statement more info	PubMed
involved_in positive regulation of neuron death	ISS Inferred from Sequence or Structural Similarity more info	PubMed
involved_in positive regulation of phagocytosis	ISS Inferred from Sequence or Structural Similarity more info	PubMed
involved_in positive regulation of response to endoplasmic reticulum stress	ISS Inferred from Sequence or Structural Similarity more info	PubMed
involved_in receptor-mediated endocytosis	IDA Inferred from Direct Assay more info	PubMed
involved_in regulation of B cell antigen processing and presentation	TAS Traceable Author Statement more info	PubMed
involved_in regulation of adaptive immune response	TAS Traceable Author Statement more info	PubMed
involved_in regulation of dendritic spine maintenance	IGI Inferred from Genetic Interaction more info	PubMed
involved_in regulation of immune complex clearance by monocytes and macrophages	TAS Traceable Author Statement more info	PubMed
involved_in regulation of immune response	IBA Inferred from Biological aspect of Ancestor more info	PubMed
involved_in regulation of innate immune response	TAS Traceable Author Statement more info	PubMed
involved_in regulation of signaling receptor activity	TAS Traceable Author Statement more info	PubMed
involved_in response to bacterium	ISS Inferred from Sequence or Structural Similarity more info	PubMed
involved_in signal transduction	TAS Traceable Author Statement more info	PubMed

Component	Evidence Code	Pubs
located_in cell body	ISS Inferred from Sequence or Structural Similarity more info	PubMed
located_in dendritic spine	ISS Inferred from Sequence or Structural Similarity more info	PubMed
located_in external side of plasma membrane	ISS Inferred from Sequence or Structural Similarity more info	PubMed
is_active_in integral component of plasma membrane	IBA Inferred from Biological aspect of Ancestor more info	PubMed
located_in integral component of plasma membrane	IDA Inferred from Direct Assay more info	PubMed
located_in plasma membrane	IDA Inferred from Direct Assay more info	PubMed
located_in plasma membrane	TAS Traceable Author Statement more info

General protein information

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Preferred Names: low affinity immunoglobulin gamma Fc region receptor II-b

Names: CDw32; Fc fragment of IgG receptor IIb; Fc fragment of IgG, low affinity II, receptor for (CD32); Fc fragment of IgG, low affinity IIb, receptor (CD32); Fc fragment of IgG, low affinity IIb, receptor for (CD32); Fc gamma RIIb; Fc-gamma RII-c; Fc-gamma-RIIc; IgG Fc receptor II-c; Low affinity immunoglobulin gamma Fc region receptor II-c; fc-gamma RII-b; fc-gamma-RIIb; fcRII-b; igG Fc receptor II-b

NCBI Reference Sequences (RefSeq)

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RefSeqs maintained independently of Annotated Genomes

These reference sequences exist independently of genome builds. Explain

These reference sequences are curated independently of the genome annotation cycle, so their versions may not match the RefSeq versions in the current genome build. Identify version mismatches by comparing the version of the RefSeq in this section to the one reported in Genomic regions, transcripts, and products above.

Genomic

NG_023318.1 RefSeqGene

Range

5001..20540

Download

GenBank, FASTA, Sequence Viewer (Graphics)

mRNA and Protein(s)

NM_001002273.3 → NP_001002273.1 low affinity immunoglobulin gamma Fc region receptor II-b isoform 2 precursor

See identical proteins and their annotated locations for NP_001002273.1

Status: REVIEWED

Description

Transcript Variant: This variant (2) lacks an alternate in-frame exon and uses an alternate in-frame splice junction at the 5' end of an exon compared to variant 1. The resulting isoform (2) has the same N- and C-termini but is shorter compared to isoform 1.

Source sequence(s)

AL451067

UniProtKB/Swiss-Prot

P31994

Conserved Domains (2) summary

cd05752
Location:49 → 127

Ig1_FcgammaR_like; Frst immunoglobulin (Ig)-like domain of Fcgamma-receptors (FcgammaRs) and similar proteins

cd05753
Location:131 → 213

Ig2_FcgammaR_like; Second immunoglobulin (Ig)-like domain of Fcgamma-receptors (FcgammaRs) and similar proteins
NM_001002274.3 → NP_001002274.1 low affinity immunoglobulin gamma Fc region receptor II-b isoform 3 precursor

See identical proteins and their annotated locations for NP_001002274.1

Status: REVIEWED

Description

Transcript Variant: This variant (3) lacks an alternate in-frame exon compared to variant 1. The resulting isoform (3) has the same N- and C-termini but is shorter compared to isoform 1.

Source sequence(s)

AL451067

Consensus CDS

CCDS30925.1

UniProtKB/Swiss-Prot

P31994

Related

ENSP00000236937.9, ENST00000236937.13

Conserved Domains (2) summary

cd05752
Location:50 → 128

Ig1_FcgammaR_like; Frst immunoglobulin (Ig)-like domain of Fcgamma-receptors (FcgammaRs) and similar proteins

cd05753
Location:132 → 214

Ig2_FcgammaR_like; Second immunoglobulin (Ig)-like domain of Fcgamma-receptors (FcgammaRs) and similar proteins
NM_001002275.3 → NP_001002275.1 low affinity immunoglobulin gamma Fc region receptor II-b isoform 4 precursor

See identical proteins and their annotated locations for NP_001002275.1

Status: REVIEWED

Description

Transcript Variant: This variant (4) uses an alternate in-frame splice junction at the 5' end of an exon compared to variant 1. The resulting isoform (4) has the same N- and C-termini but is 1 aa shorter compared to isoform 1.

Source sequence(s)

AL451067

UniProtKB/Swiss-Prot

P31994

Conserved Domains (2) summary

cd05752
Location:49 → 127

Ig1_FcgammaR_like; Frst immunoglobulin (Ig)-like domain of Fcgamma-receptors (FcgammaRs) and similar proteins

cd05753
Location:131 → 213

Ig2_FcgammaR_like; Second immunoglobulin (Ig)-like domain of Fcgamma-receptors (FcgammaRs) and similar proteins
NM_001190828.2 → NP_001177757.1 low affinity immunoglobulin gamma Fc region receptor II-b isoform 5

See identical proteins and their annotated locations for NP_001177757.1

Status: REVIEWED

Description

Transcript Variant: This variant (5) lacks an alternate in-frame exon compared to variant 1. The resulting isoform (5) has the same N- and C-termini but is shorter compared to isoform 1.

Source sequence(s)

AL451067

Consensus CDS

CCDS53414.1

UniProtKB/Swiss-Prot

P31994

Related

ENSP00000356938.4, ENST00000367961.8

Conserved Domains (3) summary

cd05752
Location:43 → 121

Ig1_FcgammaR_like; Frst immunoglobulin (Ig)-like domain of Fcgamma-receptors (FcgammaRs) and similar proteins

cd05753
Location:125 → 207

Ig2_FcgammaR_like; Second immunoglobulin (Ig)-like domain of Fcgamma-receptors (FcgammaRs) and similar proteins

smart00410
Location:131 → 207

IG_like; Immunoglobulin like
NM_001386000.1 → NP_001372929.1 low affinity immunoglobulin gamma Fc region receptor II-b isoform 6

Status: REVIEWED

Source sequence(s)

AL451067

Conserved Domains (2) summary

cd05752
Location:42 → 120

Ig1_FcgammaR_like; First immunoglobulin (Ig)-like domain of Fcgamma-receptors (FcgammaRs), and similar domains

cd05753
Location:124 → 206

Ig2_FcgammaR_like; Second immunoglobulin (Ig)-like domain of Fcgamma-receptors (FcgammaRs), and similar domains
NM_001386001.1 → NP_001372930.1 low affinity immunoglobulin gamma Fc region receptor II-b isoform 7

Status: REVIEWED

Source sequence(s)

AL451067

Conserved Domains (2) summary

cd05752
Location:43 → 121

Ig1_FcgammaR_like; First immunoglobulin (Ig)-like domain of Fcgamma-receptors (FcgammaRs), and similar domains

cd05753
Location:125 → 207

Ig2_FcgammaR_like; Second immunoglobulin (Ig)-like domain of Fcgamma-receptors (FcgammaRs), and similar domains
NM_001386002.1 → NP_001372931.1 low affinity immunoglobulin gamma Fc region receptor II-b isoform 8

Status: REVIEWED

Source sequence(s)

AL451067

Conserved Domains (2) summary

cd05752
Location:42 → 120

Ig1_FcgammaR_like; First immunoglobulin (Ig)-like domain of Fcgamma-receptors (FcgammaRs), and similar domains

cd05753
Location:124 → 206

Ig2_FcgammaR_like; Second immunoglobulin (Ig)-like domain of Fcgamma-receptors (FcgammaRs), and similar domains
NM_001386003.1 → NP_001372932.1 low affinity immunoglobulin gamma Fc region receptor II-b isoform 9 precursor

Status: REVIEWED

Source sequence(s)

AL451067

Conserved Domains (2) summary

cd05752
Location:50 → 128

Ig1_FcgammaR_like; First immunoglobulin (Ig)-like domain of Fcgamma-receptors (FcgammaRs), and similar domains

cd05753
Location:132 → 214

Ig2_FcgammaR_like; Second immunoglobulin (Ig)-like domain of Fcgamma-receptors (FcgammaRs), and similar domains
NM_001386004.1 → NP_001372933.1 low affinity immunoglobulin gamma Fc region receptor II-b isoform 10

Status: REVIEWED

Source sequence(s)

AL451067

Conserved Domains (2) summary

cd05752
Location:42 → 120

Ig1_FcgammaR_like; First immunoglobulin (Ig)-like domain of Fcgamma-receptors (FcgammaRs), and similar domains

cd05753
Location:124 → 206

Ig2_FcgammaR_like; Second immunoglobulin (Ig)-like domain of Fcgamma-receptors (FcgammaRs), and similar domains
NM_001386005.1 → NP_001372934.1 low affinity immunoglobulin gamma Fc region receptor II-b isoform 11 precursor

Status: REVIEWED

Source sequence(s)

AL451067

Conserved Domains (2) summary

cd05752
Location:50 → 128

Ig1_FcgammaR_like; First immunoglobulin (Ig)-like domain of Fcgamma-receptors (FcgammaRs), and similar domains

cd05753
Location:132 → 214

Ig2_FcgammaR_like; Second immunoglobulin (Ig)-like domain of Fcgamma-receptors (FcgammaRs), and similar domains
NM_001386006.1 → NP_001372935.1 low affinity immunoglobulin gamma Fc region receptor II-b isoform 12

Status: REVIEWED

Source sequence(s)

AL451067

Conserved Domains (2) summary

cd05752
Location:43 → 121

Ig1_FcgammaR_like; First immunoglobulin (Ig)-like domain of Fcgamma-receptors (FcgammaRs), and similar domains

cd05753
Location:125 → 207

Ig2_FcgammaR_like; Second immunoglobulin (Ig)-like domain of Fcgamma-receptors (FcgammaRs), and similar domains
NM_001394477.1 → NP_001381406.1 low affinity immunoglobulin gamma Fc region receptor II-b isoform 1 precursor

Status: REVIEWED

Description

Transcript Variant: Variants 1 and 14 encode the same isoform (1).

Source sequence(s)

AL451067

Conserved Domains (2) summary

cd05752
Location:50 → 128

Ig1_FcgammaR_like; First immunoglobulin (Ig)-like domain of Fcgamma-receptors (FcgammaRs), and similar domains

cd05753
Location:132 → 214

Ig2_FcgammaR_like; Second immunoglobulin (Ig)-like domain of Fcgamma-receptors (FcgammaRs), and similar domains
NM_004001.5 → NP_003992.3 low affinity immunoglobulin gamma Fc region receptor II-b isoform 1 precursor

See identical proteins and their annotated locations for NP_003992.3

Status: REVIEWED

Description

Transcript Variant: This variant (1) encodes the longest isoform (1).

Source sequence(s)

AL451067

Consensus CDS

CCDS30924.1

UniProtKB/Swiss-Prot

P31994

Related

ENSP00000351497.5, ENST00000358671.9

Conserved Domains (2) summary

cd05752
Location:50 → 128

Ig1_FcgammaR_like; First immunoglobulin (Ig)-like domain of Fcgamma-receptors (FcgammaRs), and similar domains

cd05753
Location:132 → 214

Ig2_FcgammaR_like; Second immunoglobulin (Ig)-like domain of Fcgamma-receptors (FcgammaRs), and similar domains

RNA

NR_169827.1 RNA Sequence

Status: REVIEWED

Source sequence(s)

AL451067

RefSeqs of Annotated Genomes: Homo sapiens Updated Annotation Release 109.20211119

The following sections contain reference sequences that belong to a specific genome build. Explain

Reference GRCh38.p13 Primary Assembly

Genomic

NC_000001.11 Reference GRCh38.p13 Primary Assembly

Range

161647243..161678654

Download

GenBank, FASTA, Sequence Viewer (Graphics)

mRNA and Protein(s)

XM_017000670.2 → XP_016856159.1 low affinity immunoglobulin gamma Fc region receptor II-b isoform X2
XM_024454043.1 → XP_024309811.1 low affinity immunoglobulin gamma Fc region receptor II-b isoform X1

Conserved Domains (2) summary

cd05752
Location:50 → 128

Ig1_FcgammaR_like; Frst immunoglobulin (Ig)-like domain of Fcgamma-receptors (FcgammaRs) and similar proteins

cd05753
Location:132 → 214

Ig2_FcgammaR_like; Second immunoglobulin (Ig)-like domain of Fcgamma-receptors (FcgammaRs) and similar proteins
XM_024454047.1 → XP_024309815.1 low affinity immunoglobulin gamma Fc region receptor II-b isoform X5

Conserved Domains (2) summary

cd05752
Location:50 → 128

Ig1_FcgammaR_like; Frst immunoglobulin (Ig)-like domain of Fcgamma-receptors (FcgammaRs) and similar proteins

cd05753
Location:132 → 214

Ig2_FcgammaR_like; Second immunoglobulin (Ig)-like domain of Fcgamma-receptors (FcgammaRs) and similar proteins