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Gene

FCGR3B

Fc gamma receptor IIIb

Summary

Cytogenetic location
1q23.3
Coordinates
Chromosome 1: 161,623,196–161,631,176 (GRCh38)
Exons
5 exons across 8 kb
Protein
233 amino acids
Also known as
HNA-1, CD16, CD16b, FcgammaRIIIb, FcRIIIb
Previous symbols
FCGR3, FCG3
MANE Select transcript
ENST00000650385.1NM_001244753.2
Locus type
gene with protein product
  • Very high
  • Confident
  • Low
  • Very low

Reference genomeGRCh38

Positions on gene and variant pages follow this choice, in this browser.

Curated reports relevant to this gene

No Genome Test report reads FCGR3B yet. The test sequences your whole genome, so your data includes it all the same.

How FCGR3B is laid out

  • Coding sequence
  • Untranslated region
  • Intron
  • Direction of transcription
  • Stretches short reads find hard
Chromosome 1, with a bracket where FCGR3B sits. FCGR3B and 27 genes near it on chromosome 1, from 161,127,186 to 162,127,185.Chromosome 11q23.3p36.33p36.32p36.31p36.23p36.22p36.21p36.13p36.12p36.11p35.3p35.2p35.1p34.3p34.2p34.1p33p32.3p32.2p32.1p31.3p31.2p31.1p22.3p22.2p22.1p21.3p21.2p21.1p13.3p13.2p13.1p12p11.2p11.1q11q12q21.1q21.2q21.3q22q23.1q23.2q23.3q24.1q24.2q24.3q25.1q25.2q25.3q31.1q31.2q31.3q32.1q32.2q32.3q41q42.11q42.12q42.13q42.2q42.3q43q44161.2 Mb161.4 Mb161.6 Mb161.8 Mb162 MbDEDD: 161,120,957–161,133,280, reverse strandDEDDUFC1: 161,152,776–161,159,368, forward strandUFC1USP21: 161,159,450–161,165,723, forward strandUSP21PPOX: 161,165,837–161,178,576, forward strandPPOXB4GALT3: 161,171,304–161,178,652, reverse strandADAMTS4: 161,184,302–161,200,509, reverse strandNDUFS2: 161,197,104–161,214,723, forward strandFCER1G: 161,215,175–161,220,709, forward strandAPOA2: 161,222,290–161,227,266, reverse strandAPOA2TOMM40L: 161,225,939–161,233,755, forward strandTOMM40LNR1I3: 161,228,775–161,238,276, reverse strandNR1I3PCP4L1: 161,258,136–161,285,450, forward strandPCP4L1MPZ: 161,304,735–161,309,974, reverse strandMPZSDHC: 161,314,352–161,363,774, forward strandSDHCCFAP126: 161,364,733–161,367,885, reverse strandCFAP126FCGR2A: 161,505,415–161,524,013, forward strandFCGR2AHSPA6: 161,524,540–161,526,894, forward strandHSPA6FCGR3A: 161,541,738–161,550,968, reverse strandFCGR3A: 161,544,807–161,631,456, reverse strandFCGR2C: 161,581,339–161,605,662, forward strandFCGR2CFCGR3B: 161,623,196–161,631,176, reverse strandFCGR3BFCGR2B: 161,661,958–161,679,490, forward strandFCGR2BFCRLA: 161,706,958–161,714,352, forward strandFCRLAFCRLB: 161,721,544–161,731,801, forward strandFCRLBDUSP12: 161,749,758–161,757,238, forward strandDUSP12ATF6: 161,766,243–161,977,574, forward strandATF6OLFML2B: 161,983,191–162,024,389, reverse strandOLFML2BNOS1AP: 162,069,676–162,370,475, forward strandNOS1APDiagram of FCGR3B: 5 exons on the reverse strand of chromosome 1Exon 5: 161,623,196–161,624,639, 1,444 basesExon 4: 161,626,145–161,626,402, 258 basesExon 3: 161,629,778–161,630,035, 258 basesExon 2: 161,630,368–161,630,388, 21 basesExon 1: 161,631,055–161,631,176, 122 bases543215′3′

Exons of the gene's MANE Select transcript (release v1.5), from NCBI and EMBL-EBI, on the GRCh38 reference genome.

Chromosome bands from UCSC's GRCh38 ideogram (2022-10-29).

Nearby genes from Ensembl release 116, on GRCh38.

Exons make up 2.1 kb of the gene's 8 kb; 702 of those bases code for the protein.

Where this comes from

  • HGNC: the gene's symbol, name, other symbols and location.
  • MANE Select v1.5, from NCBI and EMBL-EBI: the transcript, its exons and coding sequence.
  • The Human Phenotype Ontology, release 2026-09-01: the traits linked to the gene. Find out more at hpo.jax.org.

Cite this page

APA

Dante Labs. (n.d.). FCGR3B gene: Fc gamma receptor IIIb. Retrieved 16 October 2026, from https://dantelabs.com/genes/fcgr3b

Vancouver

Dante Labs. FCGR3B gene: Fc gamma receptor IIIb [Internet]. [cited 16 October 2026]. Available from: https://dantelabs.com/genes/fcgr3b

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