Incidental Mutation 'R2394:Htr3a'
ID 247914
Institutional Source Beutler Lab
Gene Symbol Htr3a
Ensembl Gene ENSMUSG00000032269
Gene Name 5-hydroxytryptamine (serotonin) receptor 3A
Synonyms 5-HT3 receptor
MMRRC Submission 040362-MU
Accession Numbers
Essential gene? Non essential (E-score: 0.000) question?
Stock # R2394 (G1)
Quality Score 225
Status Validated
Chromosome 9
Chromosomal Location 48810513-48822399 bp(-) (GRCm39)
Type of Mutation missense
DNA Base Change (assembly) A to G at 48817643 bp (GRCm39)
Zygosity Heterozygous
Amino Acid Change Valine to Alanine at position 110 (V110A)
Ref Sequence ENSEMBL: ENSMUSP00000003826 (fasta)
Gene Model predicted gene model for transcript(s): [ENSMUST00000003826] [ENSMUST00000217289]
AlphaFold no structure available at present
Predicted Effect probably benign
Transcript: ENSMUST00000003826
AA Change: V110A

PolyPhen 2 Score 0.295 (Sensitivity: 0.91; Specificity: 0.89)
SMART Domains Protein: ENSMUSP00000003826
Gene: ENSMUSG00000032269
AA Change: V110A

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 benign
Transcript: ENSMUST00000217289
AA Change: V110A

PolyPhen 2 Score 0.251 (Sensitivity: 0.91; Specificity: 0.88)
Meta Mutation Damage Score 0.0898 question?
Coding Region Coverage
  • 1x: 99.1%
  • 3x: 98.5%
  • 10x: 97.0%
  • 20x: 94.0%
Validation Efficiency 100% (41/41)
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
1700020L13Rik A T 7: 29,980,053 (GRCm39) probably benign Het
Abca17 T C 17: 24,500,190 (GRCm39) probably null Het
Atxn7 T C 14: 14,100,237 (GRCm38) V641A probably damaging Het
C3 G A 17: 57,529,303 (GRCm39) Q30* probably null Het
Ccdc162 A G 10: 41,445,894 (GRCm39) I426T probably damaging Het
Col9a2 C G 4: 120,911,455 (GRCm39) R599G probably damaging Het
Cwc27 A C 13: 104,932,942 (GRCm39) D253E probably benign Het
Cyp1a1 T A 9: 57,607,432 (GRCm39) V20D probably benign Het
Dmbt1 T A 7: 130,696,464 (GRCm39) Y892* probably null Het
Dnhd1 T A 7: 105,369,438 (GRCm39) Y4354N probably benign Het
Dync2li1 T A 17: 84,952,175 (GRCm39) I202K possibly damaging Het
Dyrk1a T A 16: 94,485,991 (GRCm39) V446E probably benign Het
Efcab3 C A 11: 104,629,121 (GRCm39) T933K probably benign Het
Fam186b T C 15: 99,178,058 (GRCm39) I423V probably benign Het
Gm5108 T C 5: 68,132,475 (GRCm39) probably benign Het
Itsn2 C A 12: 4,757,005 (GRCm39) S1365Y possibly damaging Het
Lrrc46 T C 11: 96,929,657 (GRCm39) I60V probably damaging Het
Mtrex A T 13: 113,019,702 (GRCm39) Y803N probably benign Het
Nlrp14 T C 7: 106,797,031 (GRCm39) V307A probably benign Het
Nt5c2 A G 19: 46,878,506 (GRCm39) probably null Het
Obox2 C T 7: 15,130,935 (GRCm39) P56S possibly damaging Het
Olfml2b A G 1: 170,477,319 (GRCm39) I151M possibly damaging Het
Oog3 T A 4: 143,885,884 (GRCm39) D238V probably benign Het
Pde11a T C 2: 75,889,405 (GRCm39) T690A probably benign Het
Ppa1 A G 10: 61,508,163 (GRCm39) probably benign Het
Ppfia2 A G 10: 106,655,351 (GRCm39) E306G probably damaging Het
Ppic G A 18: 53,544,119 (GRCm39) R89C probably damaging Het
Ptprk T G 10: 28,427,713 (GRCm39) I764S probably damaging Het
Ripk2 T C 4: 16,132,774 (GRCm39) probably benign Het
Rnf123 A G 9: 107,940,735 (GRCm39) M702T probably benign Het
Slco1b2 T C 6: 141,615,100 (GRCm39) I335T probably damaging Het
Ssbp1 T A 6: 40,453,743 (GRCm39) D96E probably benign Het
Tpp2 T A 1: 44,022,346 (GRCm39) S915T possibly damaging Het
Unc5c A T 3: 141,383,892 (GRCm39) Q90L probably damaging Het
Vmn2r57 A G 7: 41,049,619 (GRCm39) I710T possibly damaging Het
Wdr90 G A 17: 26,070,429 (GRCm39) P1104L 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
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
R6407:Htr3a UTSW 9 48,812,355 (GRCm39) nonsense probably null
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'- AAGGTTGTAGCATCCGGTAC -3'
(R):5'- TGCGTCAACACCCAGATTTCC -3'

Sequencing Primer
(F):5'- CAGAGAATTGCATAAAGGAGAGCTTG -3'
(R):5'- AGATTTCCCCCTAGAAGGTGC -3'
Posted On 2014-11-11