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Gene

GRIN3B

glutamate ionotropic receptor NMDA type subunit 3B

Summary

Cytogenetic location
19p13.3
Coordinates
Chromosome 19: 1,000,419–1,009,732 (GRCh38)
Exons
9 exons across 9.3 kb
Protein
1,043 amino acids
Also known as
GluN3B
MANE Select transcript
ENST00000234389.3NM_138690.3
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 GRIN3B yet. The test sequences your whole genome, so your data includes it all the same.

How GRIN3B is laid out

  • Coding sequence
  • Untranslated region
  • Intron
  • Direction of transcription
  • Stretches short reads find hard
Chromosome 19, with a bracket where GRIN3B sits. GRIN3B and 49 genes near it on chromosome 19, from 505,076 to 1,505,075.Chromosome 1919p13.3p13.3p13.2p13.13p13.12p13.11p12p11q11q12q13.11q13.12q13.13q13.2q13.31q13.32q13.33q13.41q13.42q13.430.6 Mb0.8 Mb1 Mb1.2 Mb1.4 MbMADCAM1: 489,176–505,343, forward strandMADCAM1TPGS1: 507,488–520,846, forward strandTPGS1CDC34: 531,435–542,092, forward strandCDC34GZMM: 544,034–549,924, forward strandGZMMBSG: 571,277–583,498, forward strandBSGHCN2: 589,881–617,159, forward strandHCN2POLRMT: 617,168–633,619, reverse strandPOLRMTFGF22: 639,879–644,373, forward strandFGF22RNF126: 647,526–663,336, reverse strandRNF126FSTL3: 676,366–683,793, forward strandFSTL3PRSS57: 685,546–695,498, reverse strandPRSS57PALM: 708,906–748,329, forward strandPALMMISP: 748,404–764,363, forward strandMISPPTBP1: 797,075–812,327, forward strandPLPPR3: 810,908–822,619, reverse strandAZU1: 825,097–832,018, forward strandAZU1PRTN3: 840,999–848,255, forward strandPRTN3ELANE: 850,951–856,247, forward strandELANECFD: 859,426–869,492, forward strandCFDMED16: 867,630–893,222, reverse strandMED16R3HDM4: 896,503–913,245, reverse strandR3HDM4KISS1R: 917,287–921,005, forward strandKISS1RARID3A: 924,528–975,939, forward strandARID3AWDR18: 984,248–998,438, forward strandWDR18GRIN3B: 1,000,419–1,009,732, forward strandGRIN3BTMEM259: 1,009,615–1,021,270, reverse strandTMEM259CNN2: 1,026,270–1,039,077, forward strandCNN2ABCA7: 1,039,997–1,065,572, forward strandABCA7ARHGAP45: 1,065,923–1,087,829, forward strandARHGAP45POLR2E: 1,085,104–1,095,486, reverse strandPOLR2EGPX4: 1,103,982–1,106,791, forward strandGPX4SBNO2: 1,107,634–1,174,295, reverse strandSBNO2STK11: 1,177,558–1,228,431, forward strandSTK11CBARP: 1,228,282–1,239,465, reverse strandCBARPATP5F1D: 1,241,734–1,244,828, forward strandATP5F1DMIDN: 1,248,316–1,259,145, forward strandMIDNCIRBP: 1,259,384–1,274,880, forward strandCIRBPFAM174C: 1,275,509–1,279,244, forward strandFAM174C: 1,276,021–1,279,244, forward strandEFNA2: 1,285,873–1,301,431, forward strandPWWP3A: 1,354,293–1,378,434, forward strandPWWP3ANDUFS7: 1,383,527–1,395,590, forward strandNDUFS7GAMT: 1,397,026–1,401,731, reverse strandGAMTDAZAP1: 1,407,533–1,435,687, forward strandDAZAP1RPS15: 1,438,149–1,440,508, forward strandRPS15APC2: 1,446,302–1,473,244, forward strandAPC2C19orf25: 1,461,143–1,479,565, reverse strandC19orf25PCSK4: 1,481,428–1,490,752, reverse strandPCSK4REEP6: 1,491,016–1,497,928, forward strandREEP6ADAMTSL5: 1,503,045–1,513,604, reverse strandDiagram of GRIN3B: 9 exons on the forward strand of chromosome 19Exon 1: 1,000,419–1,000,863, 445 basesExon 2: 1,003,130–1,003,722, 593 basesExon 3: 1,004,521–1,005,553, 1,033 basesExon 4: 1,007,628–1,007,773, 146 basesExon 5: 1,007,856–1,007,971, 116 basesExon 6: 1,008,140–1,008,291, 152 basesExon 7: 1,008,618–1,008,782, 165 basesExon 8: 1,008,857–1,008,927, 71 basesExon 9: 1,009,173–1,009,732, 560 bases1234567895′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 3.3 kb of the gene's 9.3 kb; 3,132 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.

Cite this page

APA

Dante Labs. (n.d.). GRIN3B gene: glutamate ionotropic receptor NMDA type subunit 3B. Retrieved 17 October 2026, from https://dantelabs.com/genes/grin3b

Vancouver

Dante Labs. GRIN3B gene: glutamate ionotropic receptor NMDA type subunit 3B [Internet]. [cited 17 October 2026]. Available from: https://dantelabs.com/genes/grin3b

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