Incidental Mutation 'R4487:Htr1b'
ID 331661
Institutional Source Beutler Lab
Gene Symbol Htr1b
Ensembl Gene ENSMUSG00000049511
Gene Name 5-hydroxytryptamine (serotonin) receptor 1B
Synonyms 5-HT<1B> receptor, 5-HT1B receptor, 5HT1B receptor
MMRRC Submission 041743-MU
Accession Numbers
Essential gene? Probably non essential (E-score: 0.140) question?
Stock # R4487 (G1)
Quality Score 225
Status Validated
Chromosome 9
Chromosomal Location 81510344-81515881 bp(-) (GRCm39)
Type of Mutation missense
DNA Base Change (assembly) A to T at 81513592 bp (GRCm39)
Zygosity Heterozygous
Amino Acid Change Aspartic acid to Glutamic Acid at position 338 (D338E)
Ref Sequence ENSEMBL: ENSMUSP00000139389 (fasta)
Gene Model predicted gene model for transcript(s): [ENSMUST00000051005] [ENSMUST00000183482]
AlphaFold P28334
Predicted Effect probably benign
Transcript: ENSMUST00000051005
AA Change: D338E

PolyPhen 2 Score 0.009 (Sensitivity: 0.96; Specificity: 0.77)
SMART Domains Protein: ENSMUSP00000050898
Gene: ENSMUSG00000049511
AA Change: D338E

DomainStartEndE-ValueType
Pfam:7TM_GPCR_Srx 53 188 6e-8 PFAM
Pfam:7TM_GPCR_Srsx 56 380 7.5e-12 PFAM
Pfam:7tm_1 62 365 1.8e-80 PFAM
Predicted Effect noncoding transcript
Transcript: ENSMUST00000180663
Predicted Effect noncoding transcript
Transcript: ENSMUST00000181447
Predicted Effect noncoding transcript
Transcript: ENSMUST00000181893
Predicted Effect probably benign
Transcript: ENSMUST00000183482
AA Change: D338E

PolyPhen 2 Score 0.009 (Sensitivity: 0.96; Specificity: 0.77)
SMART Domains Protein: ENSMUSP00000139389
Gene: ENSMUSG00000049511
AA Change: D338E

DomainStartEndE-ValueType
Pfam:7TM_GPCR_Srx 53 188 5.7e-8 PFAM
Pfam:7TM_GPCR_Srsx 56 380 7.5e-12 PFAM
Pfam:7tm_1 62 365 1e-91 PFAM
Predicted Effect noncoding transcript
Transcript: ENSMUST00000183536
Predicted Effect noncoding transcript
Transcript: ENSMUST00000183781
Meta Mutation Damage Score 0.1062 question?
Coding Region Coverage
  • 1x: 99.2%
  • 3x: 98.6%
  • 10x: 97.1%
  • 20x: 94.8%
Validation Efficiency 100% (41/41)
MGI Phenotype FUNCTION: [Summary is not available for the mouse gene. This summary is for the human ortholog.] The protein encoded by this intronless gene is a G-protein coupled receptor for serotonin (5-hydroxytryptamine). Ligand binding activates second messengers that inhibit the activity of adenylate cyclase and manage the release of serotonin, dopamine, and acetylcholine in the brain. The encoded protein may be involved in several neuropsychiatric disorders and therefore is often a target of antidepressant and other psychotherapeutic drugs. [provided by RefSeq, Nov 2015]
PHENOTYPE: Mice homozygous for a knock-out allele exhibit an increase in body weight, aggression, drinking behavior, and osteoblast proliferation and bone mass, and show altered spatial learning and operant conditional behavior as well as reduced anxiety-related response and startle reflex, and small testes. [provided by MGI curators]
Allele List at MGI
Other mutations in this stock
Total: 34 list
GeneRefVarChr/LocMutationPredicted EffectZygosity
2310030G06Rik A G 9: 50,651,931 (GRCm39) L99P probably damaging Het
Abcd2 A G 15: 91,062,486 (GRCm39) V484A probably damaging Het
Adgrv1 A G 13: 81,588,185 (GRCm39) I4467T probably damaging Het
Ash1l T A 3: 88,892,622 (GRCm39) D1500E possibly damaging Het
C1ql2 A T 1: 120,269,409 (GRCm39) Y188F possibly damaging Het
Cnga2 T A X: 71,049,733 (GRCm39) F133I possibly damaging Het
Crybg2 T C 4: 133,801,512 (GRCm39) S891P probably benign Het
Hao2 T A 3: 98,789,341 (GRCm39) I116F probably damaging Het
Kalrn C T 16: 33,810,180 (GRCm39) D2525N possibly damaging Het
Kif9 A G 9: 110,323,552 (GRCm39) E225G probably null Het
Krt76 T C 15: 101,798,917 (GRCm39) K256R possibly damaging Het
Mapk4 T C 18: 74,064,046 (GRCm39) D392G probably damaging Het
Mthfr A G 4: 148,135,884 (GRCm39) K278R probably benign Het
Mup4 T A 4: 59,960,547 (GRCm39) E18V probably damaging Het
Nepro A G 16: 44,556,089 (GRCm39) K416E probably damaging Het
Ngf G A 3: 102,428,015 (GRCm39) D255N probably damaging Het
Nmu A G 5: 76,491,909 (GRCm39) probably null Het
Nt5m A G 11: 59,739,173 (GRCm39) Y73C probably damaging Het
Oaz3 A T 3: 94,342,437 (GRCm39) probably null Het
Pgap1 A G 1: 54,567,751 (GRCm39) S365P probably benign Het
Plxna2 C T 1: 194,431,625 (GRCm39) S538F probably damaging Het
Pus7l A G 15: 94,429,498 (GRCm39) I440T possibly damaging Het
Raph1 C T 1: 60,542,028 (GRCm39) S362N possibly damaging Het
Rftn2 A G 1: 55,241,311 (GRCm39) Y330H possibly damaging Het
Rhot2 G A 17: 26,058,467 (GRCm39) H580Y probably benign Het
Rnase2a A T 14: 51,493,302 (GRCm39) M21K unknown Het
Rusf1 T C 7: 127,887,530 (GRCm39) D24G probably damaging Het
Smchd1 T C 17: 71,714,230 (GRCm39) T878A probably benign Het
Snx1 A T 9: 65,996,877 (GRCm39) V459E possibly damaging Het
Suz12 A G 11: 79,922,939 (GRCm39) T694A probably benign Het
Tg G A 15: 66,543,245 (GRCm39) C53Y probably damaging Het
Tor1aip1 G T 1: 155,882,870 (GRCm39) T326K probably damaging Het
Vmn1r61 C A 7: 5,613,924 (GRCm39) C130F possibly damaging Het
Xlr5b T C X: 72,201,504 (GRCm39) probably null Het
Other mutations in Htr1b
AlleleSourceChrCoordTypePredicted EffectPPH Score
IGL02932:Htr1b APN 9 81,513,689 (GRCm39) missense probably damaging 1.00
IGL03144:Htr1b APN 9 81,513,998 (GRCm39) missense probably damaging 0.96
IGL03350:Htr1b APN 9 81,514,175 (GRCm39) missense probably damaging 1.00
R0395:Htr1b UTSW 9 81,513,704 (GRCm39) missense probably benign 0.09
R0697:Htr1b UTSW 9 81,513,516 (GRCm39) missense possibly damaging 0.77
R1569:Htr1b UTSW 9 81,514,340 (GRCm39) missense probably benign 0.01
R3411:Htr1b UTSW 9 81,514,094 (GRCm39) missense probably benign 0.00
R3821:Htr1b UTSW 9 81,514,487 (GRCm39) missense probably benign 0.02
R4359:Htr1b UTSW 9 81,514,404 (GRCm39) missense probably benign 0.12
R4489:Htr1b UTSW 9 81,513,592 (GRCm39) missense probably benign 0.01
R4715:Htr1b UTSW 9 81,513,563 (GRCm39) missense possibly damaging 0.95
R5502:Htr1b UTSW 9 81,513,854 (GRCm39) missense possibly damaging 0.82
R6393:Htr1b UTSW 9 81,513,810 (GRCm39) missense probably benign 0.11
R6616:Htr1b UTSW 9 81,514,487 (GRCm39) missense probably benign
R6900:Htr1b UTSW 9 81,513,623 (GRCm39) missense probably damaging 1.00
R7038:Htr1b UTSW 9 81,514,296 (GRCm39) missense probably benign
R7850:Htr1b UTSW 9 81,514,652 (GRCm39) splice site probably null
R7954:Htr1b UTSW 9 81,513,998 (GRCm39) missense probably damaging 0.96
R8074:Htr1b UTSW 9 81,513,582 (GRCm39) missense probably benign 0.01
R9098:Htr1b UTSW 9 81,514,481 (GRCm39) missense
Predicted Primers PCR Primer
(F):5'- AGGGAAAGAAGATTTGACCTACCTG -3'
(R):5'- ACGTGAACCAAGTCAAAGTGC -3'

Sequencing Primer
(F):5'- TTGGTCCCCAAAGGTCGCTTAG -3'
(R):5'- TCAAAGTGCGAGTCTCAGAC -3'
Posted On 2015-07-21