Incidental Mutation 'R6900:Htr1b'
ID 538492
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 044994-MU
Accession Numbers
Essential gene? Probably non essential (E-score: 0.140) question?
Stock # R6900 (G1)
Quality Score 225.009
Status Validated
Chromosome 9
Chromosomal Location 81510344-81515881 bp(-) (GRCm39)
Type of Mutation missense
DNA Base Change (assembly) A to T at 81513623 bp (GRCm39)
Zygosity Heterozygous
Amino Acid Change Isoleucine to Asparagine at position 328 (I328N)
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: I328N

PolyPhen 2 Score 1.000 (Sensitivity: 0.00; Specificity: 1.00)
SMART Domains Protein: ENSMUSP00000050898
Gene: ENSMUSG00000049511
AA Change: I328N

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 probably damaging
Transcript: ENSMUST00000183482
AA Change: I328N

PolyPhen 2 Score 1.000 (Sensitivity: 0.00; Specificity: 1.00)
SMART Domains Protein: ENSMUSP00000139389
Gene: ENSMUSG00000049511
AA Change: I328N

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
Coding Region Coverage
  • 1x: 100.0%
  • 3x: 99.9%
  • 10x: 99.3%
  • 20x: 97.7%
Validation Efficiency 100% (32/32)
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: 31 list
GeneRefVarChr/LocMutationPredicted EffectZygosity
Arhgap10 T C 8: 78,037,491 (GRCm39) D579G probably damaging Het
Cc2d2b A G 19: 40,813,518 (GRCm39) S1333G probably null Het
Cep250 A G 2: 155,838,190 (GRCm39) probably null Het
Chd3 T C 11: 69,245,271 (GRCm39) D1149G possibly damaging Het
Dnah7a A G 1: 53,701,510 (GRCm39) L215P probably damaging Het
Fbn2 T C 18: 58,209,903 (GRCm39) M993V probably benign Het
Ggt5 A T 10: 75,446,371 (GRCm39) Q523L possibly damaging Het
Hcn1 A G 13: 117,793,363 (GRCm39) N205S probably benign Het
Itgav T A 2: 83,633,591 (GRCm39) F980Y probably damaging Het
Kbtbd2 A G 6: 56,757,008 (GRCm39) S243P probably damaging Het
Kcnd2 A G 6: 21,216,587 (GRCm39) N97S probably damaging Het
Kifbp T C 10: 62,394,908 (GRCm39) Y578C probably damaging Het
Lars1 T C 18: 42,367,675 (GRCm39) K468E probably benign Het
Map3k1 T C 13: 111,890,350 (GRCm39) N1283S probably benign Het
Mapk8ip3 A T 17: 25,128,097 (GRCm39) probably null Het
Mroh2b A G 15: 4,938,469 (GRCm39) I253V probably benign Het
Nup98 A G 7: 101,835,169 (GRCm39) F228S probably damaging Het
Or4k1 A T 14: 50,377,295 (GRCm39) V267E possibly damaging Het
Pdzd2 A G 15: 12,374,123 (GRCm39) F2004S probably benign Het
Pkhd1 A T 1: 20,604,925 (GRCm39) L1130Q probably benign Het
Pparg G T 6: 115,449,949 (GRCm39) R286L possibly damaging Het
Ppp1r16a A G 15: 76,575,923 (GRCm39) S96G probably damaging Het
Psg29 C T 7: 16,938,857 (GRCm39) Q44* probably null Het
Rgs22 A G 15: 36,010,893 (GRCm39) F1227S possibly damaging Het
Saxo1 T C 4: 86,363,571 (GRCm39) D304G possibly damaging Het
Sec14l1 T C 11: 117,008,049 (GRCm39) Y12H probably damaging Het
Sh3bp4 A G 1: 89,073,489 (GRCm39) N779S probably benign Het
Sin3a T C 9: 57,014,858 (GRCm39) V693A probably damaging Het
Teddm1b G A 1: 153,750,956 (GRCm39) C255Y probably benign Het
Ttk T A 9: 83,754,083 (GRCm39) S819T probably damaging Het
Zfp362 C T 4: 128,679,808 (GRCm39) C273Y probably damaging 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
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'- TCAACCTGCGCACTTAAAGC -3'
(R):5'- GTTGATAACAGACTCCCCGG -3'

Sequencing Primer
(F):5'- CTTAAAGCGTATCAGTTTGTGGAACG -3'
(R):5'- GGATCCACATCCTCGGTCAC -3'
Posted On 2018-11-06