Incidental Mutation 'R6407:Htr3a'
ID 514499
Institutional Source Beutler Lab
Gene Symbol Htr3a
Ensembl Gene ENSMUSG00000032269
Gene Name 5-hydroxytryptamine (serotonin) receptor 3A
Synonyms 5-HT3 receptor
MMRRC Submission 044552-MU
Accession Numbers
Essential gene? Non essential (E-score: 0.000) question?
Stock # R6407 (G1)
Quality Score 225.009
Status Validated
Chromosome 9
Chromosomal Location 48810513-48822399 bp(-) (GRCm39)
Type of Mutation nonsense
DNA Base Change (assembly) G to T at 48812355 bp (GRCm39)
Zygosity Heterozygous
Amino Acid Change Tyrosine to Stop codon at position 250 (Y250*)
Ref Sequence ENSEMBL: ENSMUSP00000150647 (fasta)
Gene Model predicted gene model for transcript(s): [ENSMUST00000003826] [ENSMUST00000217289]
AlphaFold no structure available at present
Predicted Effect probably null
Transcript: ENSMUST00000003826
AA Change: Y250*
SMART Domains Protein: ENSMUSP00000003826
Gene: ENSMUSG00000032269
AA Change: Y250*

DomainStartEndE-ValueType
signal peptide 1 23 N/A INTRINSIC
low complexity region 25 36 N/A INTRINSIC
Pfam:Neur_chan_LBD 40 247 4.7e-57 PFAM
Pfam:Neur_chan_memb 254 480 1.8e-45 PFAM
Predicted Effect noncoding transcript
Transcript: ENSMUST00000216896
Predicted Effect probably null
Transcript: ENSMUST00000217289
AA Change: Y250*
Meta Mutation Damage Score 0.9756 question?
Coding Region Coverage
  • 1x: 100.0%
  • 3x: 99.9%
  • 10x: 99.5%
  • 20x: 98.6%
Validation Efficiency 100% (36/36)
MGI Phenotype FUNCTION: [Summary is not available for the mouse gene. This summary is for the human ortholog.] The product of this gene belongs to the ligand-gated ion channel receptor superfamily. This gene encodes subunit A of the type 3 receptor for 5-hydroxytryptamine (serotonin), a biogenic hormone that functions as a neurotransmitter, a hormone, and a mitogen. This receptor causes fast, depolarizing responses in neurons after activation. It appears that the heteromeric combination of A and B subunits is necessary to provide the full functional features of this receptor, since either subunit alone results in receptors with very low conductance and response amplitude. Alternatively spliced transcript variants encoding different isoforms have been identified. [provided by RefSeq, Jul 2008]
PHENOTYPE: Homozygous mice display a decreased lifespan, cachexia, increased blood urea nitrogen, proteinuria, kidney inflammation, and a hyperdistended and neurogenic urinary bladder. Mice homozygous for a second null mutation display reduced chemical pain persistence responses but are otherwise healthy. [provided by MGI curators]
Allele List at MGI
Other mutations in this stock
Total: 36 list
GeneRefVarChr/LocMutationPredicted EffectZygosity
Alpk2 T C 18: 65,422,809 (GRCm39) Y1963C probably benign Het
Bptf T A 11: 107,001,952 (GRCm39) N387Y probably damaging Het
C1ql2 T C 1: 120,269,340 (GRCm39) L165P probably damaging Het
Col5a2 C A 1: 45,415,938 (GRCm39) C1403F probably damaging Het
Gab1 C A 8: 81,515,226 (GRCm39) R364L possibly damaging Het
Ighg2c T C 12: 113,252,271 (GRCm39) K94E unknown Het
Ighg3 T C 12: 113,323,770 (GRCm39) N206S unknown Het
Il36rn A G 2: 24,171,365 (GRCm39) Y151C probably damaging Het
Kif22 G A 7: 126,632,375 (GRCm39) R312C probably damaging Het
Lap3 T A 5: 45,669,267 (GRCm39) V472E probably damaging Het
Mast3 T C 8: 71,234,772 (GRCm39) T762A probably benign Het
Mfsd12 T C 10: 81,198,067 (GRCm39) probably null Het
Mrpl39 T C 16: 84,529,273 (GRCm39) K123R probably benign Het
Mup8 T A 4: 60,220,394 (GRCm39) T113S possibly damaging Het
Nhp2 T C 11: 51,510,730 (GRCm39) V29A probably benign Het
Or14a260 T C 7: 85,985,277 (GRCm39) E109G possibly damaging Het
Pex3 T C 10: 13,422,112 (GRCm39) R63G probably damaging Het
Pfkl A G 10: 77,824,507 (GRCm39) probably null Het
Rims2 T C 15: 39,315,724 (GRCm39) S617P probably damaging Het
Rnf223 A T 4: 156,216,816 (GRCm39) T64S probably damaging Het
Rrp12 C T 19: 41,872,181 (GRCm39) V432M probably damaging Het
Sag T C 1: 87,742,528 (GRCm39) V100A probably benign Het
Slc17a7 C T 7: 44,819,350 (GRCm39) A167V probably benign Het
Slc38a6 T C 12: 73,356,949 (GRCm39) F115S probably damaging Het
Spata31h1 A G 10: 82,129,645 (GRCm39) S1122P probably benign Het
Spdye4a T C 5: 143,211,454 (GRCm39) T37A probably benign Het
Sphk2 T C 7: 45,362,024 (GRCm39) T138A possibly damaging Het
Srgap3 T C 6: 112,699,967 (GRCm39) S1004G probably damaging Het
Sult1a1 T C 7: 126,272,356 (GRCm39) probably null Het
Tmem212 A G 3: 27,938,988 (GRCm39) V166A probably benign Het
Tor4a A G 2: 25,084,952 (GRCm39) L317P probably benign Het
Trim43c A T 9: 88,722,467 (GRCm39) T38S probably benign Het
Tshz1 C A 18: 84,034,091 (GRCm39) V106F possibly damaging Het
Tut4 G T 4: 108,415,979 (GRCm39) E1648D probably damaging Het
Yap1 A G 9: 7,962,373 (GRCm39) M225T possibly damaging Het
Zfp74 T C 7: 29,635,048 (GRCm39) E220G probably damaging Het
Other mutations in Htr3a
AlleleSourceChrCoordTypePredicted EffectPPH Score
IGL02314:Htr3a APN 9 48,815,927 (GRCm39) missense probably damaging 0.99
R0238:Htr3a UTSW 9 48,817,686 (GRCm39) missense probably benign 0.06
R0238:Htr3a UTSW 9 48,817,686 (GRCm39) missense probably benign 0.06
R0403:Htr3a UTSW 9 48,819,959 (GRCm39) missense probably damaging 0.96
R0899:Htr3a UTSW 9 48,812,752 (GRCm39) missense possibly damaging 0.78
R1749:Htr3a UTSW 9 48,812,233 (GRCm39) missense probably damaging 1.00
R1903:Htr3a UTSW 9 48,817,681 (GRCm39) missense probably damaging 1.00
R1942:Htr3a UTSW 9 48,819,911 (GRCm39) missense probably damaging 1.00
R2218:Htr3a UTSW 9 48,819,911 (GRCm39) missense probably damaging 1.00
R2394:Htr3a UTSW 9 48,817,643 (GRCm39) missense probably benign 0.29
R2402:Htr3a UTSW 9 48,812,795 (GRCm39) missense probably damaging 1.00
R3430:Htr3a UTSW 9 48,818,688 (GRCm39) missense probably benign 0.35
R6042:Htr3a UTSW 9 48,815,999 (GRCm39) missense probably damaging 0.99
R6395:Htr3a UTSW 9 48,811,871 (GRCm39) missense probably benign 0.00
R7791:Htr3a UTSW 9 48,812,875 (GRCm39) missense possibly damaging 0.79
R8724:Htr3a UTSW 9 48,815,981 (GRCm39) missense probably damaging 0.99
R9049:Htr3a UTSW 9 48,811,087 (GRCm39) missense probably damaging 0.98
Predicted Primers PCR Primer
(F):5'- AGTGAACTCTTCCCTCAGGG -3'
(R):5'- TTACTCTCAACTGCCACAGG -3'

Sequencing Primer
(F):5'- TCAGGGAAGCCTTACCAATG -3'
(R):5'- CCAGGCTGGAAGTTCTAT -3'
Posted On 2018-05-04