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Gene

PPP4R3B

protein phosphatase 4 regulatory subunit 3B

Summary

Cytogenetic location
2p16.1
Coordinates
Chromosome 2: 55,547,292–55,617,622 (GRCh38)
Exons
17 exons across 70.3 kb
Protein
849 amino acids
Also known as
PSY2, FLFL2, KIAA1387, FLJ31474
Previous symbols
SMEK2
MANE Select transcript
ENST00000616407.2NM_001122964.3
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 PPP4R3B yet. The test sequences your whole genome, so your data includes it all the same.

How PPP4R3B is laid out

  • Coding sequence
  • Untranslated region
  • Intron
  • Direction of transcription
  • Stretches short reads find hard
Chromosome 2, with a bracket where PPP4R3B sits. PPP4R3B and 8 genes near it on chromosome 2, from 55,082,457 to 56,082,456.Chromosome 22p16.1p25.3p25.2p25.1p24.3p24.2p24.1p23.3p23.2p23.1p22.3p22.2p22.1p21p16.3p16.2p16.1p15p14p13.3p13.2p13.1p12p11.2p11.1q11.1q11.2q12.1q12.2q12.3q13q14.1q14.2q14.3q21.1q21.2q21.3q22.1q22.2q22.3q23.1q23.2q23.3q24.1q24.2q24.3q31.1q31.2q31.3q32.1q32.2q32.3q33.1q33.2q33.3q34q35q36.1q36.2q36.3q37.1q37.2q37.355.2 Mb55.4 Mb55.6 Mb55.8 Mb56 MbRTN4: 54,971,931–55,112,621, reverse strandRTN4CLHC1: 55,172,547–55,232,563, reverse strandCLHC1RPS27A: 55,229,447–55,236,649, forward strandRPS27AMTIF2: 55,236,218–55,270,263, reverse strandMTIF2CCDC88A: 55,287,363–55,420,042, reverse strandCCDC88ACFAP36: 55,519,559–55,545,501, forward strandCFAP36PPP4R3B: 55,547,292–55,617,622, reverse strandPPP4R3BPNPT1: 55,634,061–55,693,863, reverse strandPNPT1EFEMP1: 55,810,992–55,924,271, reverse strandEFEMP1Diagram of PPP4R3B: 17 exons on the reverse strand of chromosome 2Exon 17: 55,547,292–55,550,006, 2,715 basesExon 16: 55,558,775–55,558,968, 194 basesExon 15: 55,564,313–55,564,497, 185 basesExon 14: 55,564,902–55,565,041, 140 basesExon 13: 55,568,194–55,568,363, 170 basesExon 12: 55,573,619–55,573,777, 159 basesExon 11: 55,577,315–55,577,356, 42 basesExon 10: 55,578,247–55,578,342, 96 basesExon 9: 55,579,679–55,579,781, 103 basesExon 8: 55,581,567–55,581,698, 132 basesExon 7: 55,585,051–55,585,167, 117 basesExon 6: 55,586,618–55,586,734, 117 basesExon 5: 55,588,879–55,588,956, 78 basesExon 4: 55,598,416–55,599,039, 624 basesExon 3: 55,603,978–55,604,076, 99 basesExon 2: 55,615,451–55,615,506, 56 basesExon 1: 55,617,144–55,617,622, 479 bases1716141210864215′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 5.5 kb of the gene's 70.3 kb; 2,550 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.). PPP4R3B gene: protein phosphatase 4 regulatory subunit 3B. Retrieved 17 October 2026, from https://dantelabs.com/genes/ppp4r3b

Vancouver

Dante Labs. PPP4R3B gene: protein phosphatase 4 regulatory subunit 3B [Internet]. [cited 17 October 2026]. Available from: https://dantelabs.com/genes/ppp4r3b

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