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Gene

MUC3A

mucin 3A, cell surface associated

Summary

Cytogenetic location
7q22.1
Coordinates
Chromosome 7: 100,949,534–100,968,347 (GRCh38)
Exons
12 exons across 18.8 kb
Protein
3,323 amino acids
Previous symbols
MUC3
MANE Select transcript
ENST00000379458.9NM_005960.2
Locus type
Protein-coding

Curated reports relevant to this gene

No Genome Test report reads MUC3A yet. The test sequences your whole genome, so your data includes it all the same.

How MUC3A is laid out

  • Coding sequence
  • Untranslated region
  • Intron
  • Direction of transcription
  • Stretches short reads find hard
Chromosome 7, with a bracket where MUC3A sits. MUC3A and 37 genes near it on chromosome 7, from 100,458,941 to 101,458,940.Chromosome 77q22.1p22.3p22.2p22.1p21.3p21.2p21.1p15.3p15.2p15.1p14.3p14.2p14.1p13p12.3p12.2p12.1p11.2p11.1q11.1q11.21q11.22q11.23q21.11q21.12q21.13q21.2q21.3q22.1q22.2q22.3q31.1q31.2q31.31q31.32q31.33q32.1q32.2q32.3q33q34q35q36.1q36.2q36.3100.6 Mb100.8 Mb101 Mb101.2 Mb101.4 MbSPACDR: 100,456,620–100,464,277, reverse strandSPACDRTSC22D4: 100,466,508–100,479,257, reverse strandTSC22D4: 100,478,099–100,478,170, reverse strandNYAP1: 100,483,605–100,494,802, forward strandNYAP1AGFG2: 100,539,169–100,569,429, forward strandAGFG2SAP25: 100,572,228–100,573,916, reverse strandLRCH4: 100,574,011–100,586,236, reverse strandLRCH4FBXO24: 100,583,982–100,601,117, forward strandPCOLCE: 100,602,321–100,608,175, forward strandPCOLCEMOSPD3: 100,612,102–100,616,004, forward strandMOSPD3TFR2: 100,620,416–100,642,779, reverse strandTFR2ACTL6B: 100,643,097–100,656,458, reverse strandACTL6BGNB2: 100,673,477–100,679,174, forward strandGNB2GIGYF1: 100,679,505–100,694,481, reverse strandGIGYF1POP7: 100,695,902–100,708,628, forward strandPOP7EPO: 100,720,465–100,723,700, forward strandEPOZAN: 100,733,595–100,797,797, forward strandZANEPHB4: 100,802,563–100,827,584, reverse strandEPHB4SLC12A9: 100,826,820–100,867,017, forward strandTRIP6: 100,867,126–100,873,524, forward strandTRIP6SRRT: 100,875,065–100,888,664, forward strandSRRTUFSP1: 100,888,721–100,889,715, reverse strandUFSP1ACHE: 100,889,993–100,897,022, reverse strandACHEMUC3A: 100,949,534–100,968,347, forward strandMUC3AMUC12: 100,969,431–101,018,940, forward strandMUC12MUC17: 101,020,072–101,058,859, forward strandMUC17TRIM56: 101,085,234–101,097,967, forward strandTRIM56SERPINE1: 101,122,158–101,139,263, forward strandSERPINE1AP1S1: 101,154,352–101,161,596, forward strandAP1S1VGF: 101,162,509–101,167,245, reverse strandVGFNAT16: 101,170,496–101,180,301, reverse strandNAT16MOGAT3: 101,195,007–101,201,088, reverse strandPLOD3: 101,205,977–101,219,968, reverse strandPLOD3ZNHIT1: 101,218,117–101,224,195, forward strandZNHIT1CLDN15: 101,232,092–101,238,820, reverse strandCLDN15FIS1: 101,239,458–101,252,321, reverse strandFIS1IFT22: 101,310,914–101,321,831, reverse strandIFT22COL26A1: 101,362,407–101,559,029, forward strandCOL26A1Diagram of MUC3A: 12 exons on the forward strand of chromosome 7Exon 1: 100,949,534–100,949,685, 152 basesExon 2: 100,951,841–100,960,645, 8,805 basesExon 3: 100,960,752–100,960,937, 186 basesExon 4: 100,963,151–100,963,266, 116 basesExon 5: 100,963,688–100,963,752, 65 basesExon 6: 100,964,695–100,964,843, 149 basesExon 7: 100,965,282–100,965,347, 66 basesExon 8: 100,965,704–100,965,866, 163 basesExon 9: 100,966,386–100,966,559, 174 basesExon 10: 100,966,652–100,966,743, 92 basesExon 11: 100,966,899–100,966,951, 53 basesExon 12: 100,967,121–100,968,347, 1,227 bases1246810125′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 11.2 kb of the gene's 18.8 kb; 9,972 of those bases code for the protein.

Sequencing MUC3A

10Moderate

How hard MUC3A is to sequence with short reads, out of 100

Some of MUC3A's exons sit where short reads can miss or misplace a change.

What adds to it: the share of MUC3A's exons in each kind of hard region

  • Mappability1%
  • Homology0%
  • Repeats60%
  • GC content4.8%
  • Reference coverage0%

A Dante Labs score from our own research, built on NIST's Genome in a Bottle maps of hard-to-sequence regions.How it's scored

External links

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 Genome in a Bottle genome stratifications, from NIST: the sequencing difficulty score.

Cite this page

APA

Dante Labs. (n.d.). MUC3A gene: mucin 3A, cell surface associated. Retrieved 18 October 2026, from https://dantelabs.com/genes/muc3a

Vancouver

Dante Labs. MUC3A gene: mucin 3A, cell surface associated [Internet]. [cited 18 October 2026]. Available from: https://dantelabs.com/genes/muc3a

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