Incidental Mutation 'R7954:Htr1b'
ID 649725
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 045998-MU
Accession Numbers
Essential gene? Probably non essential (E-score: 0.140) question?
Stock # R7954 (G1)
Quality Score 225.009
Status Not validated
Chromosome 9
Chromosomal Location 81510344-81515881 bp(-) (GRCm39)
Type of Mutation missense
DNA Base Change (assembly) A to G at 81513998 bp (GRCm39)
Zygosity Heterozygous
Amino Acid Change Leucine to Proline at position 203 (L203P)
Ref Sequence ENSEMBL: ENSMUSP00000139389 (fasta)
Gene Model predicted gene model for transcript(s): [ENSMUST00000051005] [ENSMUST00000183482]
AlphaFold P28334
Predicted Effect probably damaging
Transcript: ENSMUST00000051005
AA Change: L203P

PolyPhen 2 Score 0.964 (Sensitivity: 0.78; Specificity: 0.95)
SMART Domains Protein: ENSMUSP00000050898
Gene: ENSMUSG00000049511
AA Change: L203P

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 damaging
Transcript: ENSMUST00000183482
AA Change: L203P

PolyPhen 2 Score 0.964 (Sensitivity: 0.78; Specificity: 0.95)
SMART Domains Protein: ENSMUSP00000139389
Gene: ENSMUSG00000049511
AA Change: L203P

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
Coding Region Coverage
  • 1x: 100.0%
  • 3x: 99.9%
  • 10x: 99.6%
  • 20x: 98.8%
Validation Efficiency
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: 50 list
GeneRefVarChr/LocMutationPredicted EffectZygosity
Aatk C T 11: 119,903,169 (GRCm39) C409Y possibly damaging Het
Acsm2 C T 7: 119,179,952 (GRCm39) T390I probably damaging Het
Adam20 T C 8: 41,249,581 (GRCm39) Y564H probably damaging Het
Adcy6 A G 15: 98,494,773 (GRCm39) probably null Het
Alms1 T C 6: 85,598,144 (GRCm39) V990A probably damaging Het
Anapc2 T A 2: 25,164,712 (GRCm39) V318E probably damaging Het
Ano6 G T 15: 95,863,702 (GRCm39) A741S possibly damaging Het
Apc A G 18: 34,447,321 (GRCm39) S1406G probably damaging Het
Cemip2 T A 19: 21,770,264 (GRCm39) I84N probably damaging Het
Cfi G A 3: 129,662,234 (GRCm39) probably null Het
Clcn1 A T 6: 42,263,625 (GRCm39) probably benign Het
Crygs C T 16: 22,624,082 (GRCm39) R175H probably damaging Het
Dnmbp A T 19: 43,890,742 (GRCm39) W342R probably benign Het
Dok5 T A 2: 170,674,993 (GRCm39) probably null Het
Eno3 T C 11: 70,552,006 (GRCm39) I284T probably benign Het
Ep400 T C 5: 110,816,599 (GRCm39) T2767A possibly damaging Het
Epb41l4b A G 4: 57,088,034 (GRCm39) V162A probably damaging Het
Fat3 A G 9: 15,909,708 (GRCm39) I2098T probably damaging Het
Fbxl13 T C 5: 21,748,767 (GRCm39) N384S probably benign Het
Fbxo9 A G 9: 78,008,826 (GRCm39) L78P probably benign Het
Glis1 G A 4: 107,476,854 (GRCm39) R525H possibly damaging Het
Gpr15 T G 16: 58,539,047 (GRCm39) D14A probably benign Het
Gpr156 T C 16: 37,807,920 (GRCm39) I189T probably damaging Het
H6pd T C 4: 150,067,283 (GRCm39) I376V probably benign Het
Hs6st3 T C 14: 120,106,522 (GRCm39) V310A probably damaging Het
Kif26b A T 1: 178,696,944 (GRCm39) I531F probably damaging Het
Krtcap3 T C 5: 31,410,015 (GRCm39) L166P probably damaging Het
Lmod1 A C 1: 135,252,794 (GRCm39) D16A probably damaging Het
Lrp2 T G 2: 69,333,867 (GRCm39) N1458T possibly damaging Het
Mocs1 G A 17: 49,761,799 (GRCm39) G631E possibly damaging Het
Nop14 G A 5: 34,807,729 (GRCm39) P411L probably benign Het
Nr2f1 A C 13: 78,338,113 (GRCm39) D334E probably damaging Het
Or5al7 A G 2: 85,993,212 (GRCm39) L27P probably damaging Het
Or5p51 T C 7: 107,444,119 (GRCm39) N274D probably benign Het
Paqr9 G A 9: 95,442,681 (GRCm39) V224M probably damaging Het
Pkd2l1 T C 19: 44,142,651 (GRCm39) T464A probably benign Het
Prss58 T C 6: 40,872,543 (GRCm39) R188G possibly damaging Het
Rapgef2 G A 3: 78,977,454 (GRCm39) R1150* probably null Het
Rgs22 A C 15: 36,082,148 (GRCm39) F653V possibly damaging Het
Spata2 T C 2: 167,325,857 (GRCm39) T321A probably benign Het
St3gal1 A T 15: 66,984,422 (GRCm39) F118I probably damaging Het
Styxl2 C T 1: 165,926,849 (GRCm39) S921N probably benign Het
Tasor T C 14: 27,169,481 (GRCm39) probably null Het
Tex35 C T 1: 156,927,742 (GRCm39) D143N probably damaging Het
Tll1 G A 8: 64,571,568 (GRCm39) T171I probably damaging Het
Umodl1 A T 17: 31,205,361 (GRCm39) Q652L probably benign Het
Usp54 A G 14: 20,611,981 (GRCm39) L945P probably benign Het
Vars1 A G 17: 35,234,960 (GRCm39) H1263R probably benign Het
Vmn1r202 A T 13: 22,685,871 (GRCm39) M182K probably benign Het
Vmn1r78 T A 7: 11,887,227 (GRCm39) C279* 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
R4487:Htr1b UTSW 9 81,513,592 (GRCm39) missense probably benign 0.01
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
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'- ATCCCGGGGAGTCTGTTATC -3'
(R):5'- TCGGATATCACCTGTTGCACTG -3'

Sequencing Primer
(F):5'- TATCAACTGGGCTCGGGTCAAG -3'
(R):5'- TGTGTCATCGCCCTGGAC -3'
Posted On 2020-09-15