Incidental Mutation 'R2200:Bmp8b'
ID 238600
Institutional Source Beutler Lab
Gene Symbol Bmp8b
Ensembl Gene ENSMUSG00000002384
Gene Name bone morphogenetic protein 8b
Synonyms Op3
MMRRC Submission 040202-MU
Accession Numbers
Essential gene? Probably non essential (E-score: 0.174) question?
Stock # R2200 (G1)
Quality Score 225
Status Not validated
Chromosome 4
Chromosomal Location 122998101-123019887 bp(+) (GRCm39)
Type of Mutation missense
DNA Base Change (assembly) A to T at 123016815 bp (GRCm39)
Zygosity Heterozygous
Amino Acid Change Methionine to Leucine at position 339 (M339L)
Ref Sequence ENSEMBL: ENSMUSP00000002457 (fasta)
Gene Model predicted gene model for transcript(s): [ENSMUST00000002457] [ENSMUST00000030404]
AlphaFold P55105
Predicted Effect possibly damaging
Transcript: ENSMUST00000002457
AA Change: M339L

PolyPhen 2 Score 0.815 (Sensitivity: 0.84; Specificity: 0.93)
SMART Domains Protein: ENSMUSP00000002457
Gene: ENSMUSG00000002384
AA Change: M339L

DomainStartEndE-ValueType
signal peptide 1 19 N/A INTRINSIC
Pfam:TGFb_propeptide 26 248 2.7e-62 PFAM
TGFB 298 399 2.83e-59 SMART
Predicted Effect probably benign
Transcript: ENSMUST00000030404
SMART Domains Protein: ENSMUSP00000030404
Gene: ENSMUSG00000028651

DomainStartEndE-ValueType
RRM 7 80 1.36e-25 SMART
low complexity region 111 131 N/A INTRINSIC
Pfam:Pro_isomerase 143 299 1.6e-47 PFAM
Predicted Effect noncoding transcript
Transcript: ENSMUST00000126558
Predicted Effect noncoding transcript
Transcript: ENSMUST00000136466
Predicted Effect noncoding transcript
Transcript: ENSMUST00000151850
Coding Region Coverage
  • 1x: 99.2%
  • 3x: 98.6%
  • 10x: 97.4%
  • 20x: 95.5%
Validation Efficiency
MGI Phenotype FUNCTION: This gene encodes a secreted ligand of the TGF-beta (transforming growth factor-beta) superfamily of proteins. Ligands of this family bind various TGF-beta receptors leading to recruitment and activation of SMAD family transcription factors that regulate gene expression. The encoded preproprotein is proteolytically processed to generate each subunit of the disulfide-linked homodimer. The encoded protein may play a role in the generation of primordial germ cells, and has been shown to stimulate thermogenesis in brown adipose tissue. Male mice lacking a functional copy of this gene exhibit variable degrees of germ-cell deficiency. Homozygous knockout mice of both sexes exhibit impaired thermogenesis and reduced metabolic rate, resulting in weight gain. This gene may have arose from a gene duplication event and its gene duplicate is also present on chromosome 4. [provided by RefSeq, Jul 2016]
PHENOTYPE: Incidence of lethality among homozygous null mutants is variable depending on genetic background and due to allantoic and embryonic abnormalities. Heterozygous and surviving homozygous males exhibit varying degrees of germ cell deficiency and infertility, also background dependent. [provided by MGI curators]
Allele List at MGI
Other mutations in this stock
Total: 40 list
GeneRefVarChr/LocMutationPredicted EffectZygosity
Acer1 T C 17: 57,265,423 (GRCm39) I135M probably benign Het
Ano7 A G 1: 93,308,158 (GRCm39) E63G possibly damaging Het
Asah1 A G 8: 41,796,765 (GRCm39) probably null Het
B3gat2 C T 1: 23,801,873 (GRCm39) P53L probably benign Het
Bpifb9b C A 2: 154,155,574 (GRCm39) Q358K probably benign Het
Cbs T C 17: 31,843,238 (GRCm39) D231G probably damaging Het
Chd6 A G 2: 160,825,673 (GRCm39) Y1144H probably damaging Het
Clca3a2 T A 3: 144,519,685 (GRCm39) I230L probably benign Het
Clec2d A T 6: 129,161,831 (GRCm39) T155S possibly damaging Het
Cpxm1 G T 2: 130,235,117 (GRCm39) F567L probably damaging Het
Cyp4f16 G T 17: 32,756,078 (GRCm39) A36S probably damaging Het
Dnah17 T C 11: 117,993,235 (GRCm39) probably benign Het
Eml5 T C 12: 98,791,676 (GRCm39) D1280G probably damaging Het
Ergic1 C A 17: 26,860,566 (GRCm39) A218D possibly damaging Het
Eva1a A G 6: 82,068,894 (GRCm39) R74G probably benign Het
Fhip1a A G 3: 85,637,628 (GRCm39) S224P probably damaging Het
Fus T A 7: 127,576,400 (GRCm39) N273K probably damaging Het
Ipo13 A C 4: 117,762,100 (GRCm39) probably null Het
Itgb3 T A 11: 104,531,812 (GRCm39) probably null Het
Lrif1 T A 3: 106,641,874 (GRCm39) S63R probably damaging Het
Lrig3 A G 10: 125,832,478 (GRCm39) probably null Het
Lrp1b A T 2: 41,174,177 (GRCm39) N1547K probably benign Het
Mme A T 3: 63,287,713 (GRCm39) N738I possibly damaging Het
Morc2a A G 11: 3,633,919 (GRCm39) N677S probably benign Het
Mrpl35 A C 6: 71,794,723 (GRCm39) L82V probably benign Het
Mybpc1 A T 10: 88,391,557 (GRCm39) N313K probably damaging Het
Podn T C 4: 107,879,787 (GRCm39) D66G probably damaging Het
Ptpru A T 4: 131,548,124 (GRCm39) N52K probably damaging Het
Pyroxd1 G T 6: 142,304,808 (GRCm39) R345L probably benign Het
Qser1 A G 2: 104,619,358 (GRCm39) S485P probably damaging Het
Rbm46 A T 3: 82,771,351 (GRCm39) D421E probably benign Het
Rgs10 T C 7: 127,990,761 (GRCm39) E109G probably damaging Het
Samd8 C T 14: 21,825,388 (GRCm39) P178S probably benign Het
Scaf11 T C 15: 96,318,404 (GRCm39) K387E probably damaging Het
Sccpdh G T 1: 179,498,171 (GRCm39) V72F possibly damaging Het
Sec22a A T 16: 35,134,527 (GRCm39) V285E probably damaging Het
Slc19a3 A G 1: 83,000,664 (GRCm39) S118P probably damaging Het
Sun1 C A 5: 139,216,974 (GRCm39) R338S probably benign Het
Taf1c A G 8: 120,325,417 (GRCm39) F815S probably benign Het
Zcchc14 A T 8: 122,332,167 (GRCm39) probably benign Het
Other mutations in Bmp8b
AlleleSourceChrCoordTypePredicted EffectPPH Score
IGL00733:Bmp8b APN 4 123,018,202 (GRCm39) missense probably benign 0.19
R0334:Bmp8b UTSW 4 123,008,553 (GRCm39) splice site probably null
R0441:Bmp8b UTSW 4 123,018,308 (GRCm39) missense probably damaging 1.00
R0472:Bmp8b UTSW 4 123,015,692 (GRCm39) missense probably benign 0.06
R0609:Bmp8b UTSW 4 123,015,692 (GRCm39) missense probably benign 0.06
R0732:Bmp8b UTSW 4 122,999,199 (GRCm39) missense unknown
R1221:Bmp8b UTSW 4 123,008,504 (GRCm39) missense probably damaging 1.00
R3847:Bmp8b UTSW 4 123,009,961 (GRCm39) unclassified probably benign
R4003:Bmp8b UTSW 4 123,015,671 (GRCm39) unclassified probably benign
R4777:Bmp8b UTSW 4 123,015,793 (GRCm39) missense possibly damaging 0.61
R4834:Bmp8b UTSW 4 123,016,843 (GRCm39) missense probably damaging 1.00
R4911:Bmp8b UTSW 4 123,009,030 (GRCm39) missense probably damaging 1.00
R5207:Bmp8b UTSW 4 123,009,714 (GRCm39) unclassified probably benign
R5509:Bmp8b UTSW 4 123,008,369 (GRCm39) missense possibly damaging 0.78
R5549:Bmp8b UTSW 4 123,018,278 (GRCm39) missense probably damaging 1.00
R5795:Bmp8b UTSW 4 123,015,761 (GRCm39) missense possibly damaging 0.59
R6142:Bmp8b UTSW 4 123,009,043 (GRCm39) missense probably benign
R7549:Bmp8b UTSW 4 122,999,448 (GRCm39) missense possibly damaging 0.61
R7712:Bmp8b UTSW 4 123,018,257 (GRCm39) missense possibly damaging 0.90
R8245:Bmp8b UTSW 4 123,008,532 (GRCm39) missense probably benign 0.01
R9788:Bmp8b UTSW 4 122,999,369 (GRCm39) missense probably damaging 1.00
Predicted Primers PCR Primer
(F):5'- TACACAGCCTCAGGTCATCC -3'
(R):5'- GATACACAGGACACATGTTGGG -3'

Sequencing Primer
(F):5'- CTCAGGTCATCCGGTGATAGG -3'
(R):5'- TGTTCAGACACCCATGTGAG -3'
Posted On 2014-10-02