Incidental Mutation 'R8392:Cyp8b1'
ID 647428
Institutional Source Beutler Lab
Gene Symbol Cyp8b1
Ensembl Gene ENSMUSG00000050445
Gene Name cytochrome P450, family 8, subfamily b, polypeptide 1
Synonyms sterol 12-alpha-hydrolase
MMRRC Submission 067757-MU
Accession Numbers
Essential gene? Possibly non essential (E-score: 0.449) question?
Stock # R8392 (G1)
Quality Score 225.009
Status Not validated
Chromosome 9
Chromosomal Location 121743422-121745371 bp(-) (GRCm39)
Type of Mutation missense
DNA Base Change (assembly) T to C at 121744300 bp (GRCm39)
Zygosity Heterozygous
Amino Acid Change Glutamic Acid to Glycine at position 344 (E344G)
Ref Sequence ENSEMBL: ENSMUSP00000052989 (fasta)
Gene Model predicted gene model for transcript(s): [ENSMUST00000050327] [ENSMUST00000062474] [ENSMUST00000214340]
AlphaFold no structure available at present
Predicted Effect probably benign
Transcript: ENSMUST00000050327
SMART Domains Protein: ENSMUSP00000050119
Gene: ENSMUSG00000044534

DomainStartEndE-ValueType
low complexity region 18 29 N/A INTRINSIC
Pfam:7tm_1 62 311 1e-40 PFAM
Predicted Effect probably damaging
Transcript: ENSMUST00000062474
AA Change: E344G

PolyPhen 2 Score 0.984 (Sensitivity: 0.74; Specificity: 0.96)
SMART Domains Protein: ENSMUSP00000052989
Gene: ENSMUSG00000050445
AA Change: E344G

DomainStartEndE-ValueType
low complexity region 11 24 N/A INTRINSIC
Pfam:p450 32 492 5.7e-50 PFAM
Predicted Effect probably benign
Transcript: ENSMUST00000214340
Coding Region Coverage
  • 1x: 100.0%
  • 3x: 99.9%
  • 10x: 99.5%
  • 20x: 98.3%
Validation Efficiency
MGI Phenotype FUNCTION: [Summary is not available for the mouse gene. This summary is for the human ortholog.] This gene encodes a member of the cytochrome P450 superfamily of enzymes. The cytochrome P450 proteins are monooxygenases which catalyze many reactions involved in drug metabolism and synthesis of cholesterol, steroids and other lipids. This endoplasmic reticulum membrane protein catalyzes the conversion of 7 alpha-hydroxy-4-cholesten-3-one into 7-alpha,12-alpha-dihydroxy-4-cholesten-3-one. The balance between these two steroids determines the relative amounts of cholic acid and chenodeoxycholic acid both of which are secreted in the bile and affect the solubility of cholesterol. This gene is unique among the cytochrome P450 genes in that it is intronless. [provided by RefSeq, Jul 2008]
PHENOTYPE: Mice homozygous for a knock-out allele lack synthsesis of cholate (a primary bile acid) and its metabolites and display an increased bile acid pool and alterations in cholesterol metabolism. [provided by MGI curators]
Allele List at MGI
Other mutations in this stock
Total: 45 list
GeneRefVarChr/LocMutationPredicted EffectZygosity
Adgrl3 G A 5: 81,794,397 (GRCm39) A473T probably benign Het
Ano2 T A 6: 125,857,698 (GRCm39) N512K probably benign Het
Arhgap18 A T 10: 26,721,936 (GRCm39) Y41F probably benign Het
Baz1a T A 12: 54,969,908 (GRCm39) D584V probably damaging Het
Ccl2 A T 11: 81,927,808 (GRCm39) Q84L probably damaging Het
Cdv3 T A 9: 103,232,474 (GRCm39) H245L probably benign Het
Cfap54 T G 10: 92,798,279 (GRCm39) K1660T unknown Het
Col4a1 T A 8: 11,258,333 (GRCm39) probably null Het
Cpeb3 TTGCTGCTGCTGCTGCTGCTGCCGCTGCTGCTGCTG TTGCTGCTGCTGCTGCTGCCGCTGCTGCTGCTG 19: 37,152,291 (GRCm39) probably benign Het
Crebbp G A 16: 3,902,145 (GRCm39) R2365W possibly damaging Het
Crppa T A 12: 36,440,497 (GRCm39) L135Q probably damaging Het
Ctsc A T 7: 87,946,451 (GRCm39) Q160L probably benign Het
Cyp4a10 C T 4: 115,386,675 (GRCm39) R441* probably null Het
Dnah12 T C 14: 26,607,869 (GRCm39) F3801L probably benign Het
Dnhd1 A G 7: 105,352,550 (GRCm39) R2568G possibly damaging Het
Erbin T A 13: 103,970,570 (GRCm39) E1015D probably damaging Het
Filip1l A G 16: 57,391,716 (GRCm39) E768G probably damaging Het
H2ac13 C T 13: 21,900,656 (GRCm39) A22V unknown Het
Ildr1 G A 16: 36,542,720 (GRCm39) W417* probably null Het
Ildr1 G T 16: 36,542,721 (GRCm39) D418Y probably damaging Het
Kdsr A T 1: 106,671,583 (GRCm39) M142K probably damaging Het
Kidins220 T A 12: 25,040,727 (GRCm39) V111E probably damaging Het
Ly75 T C 2: 60,180,284 (GRCm39) E631G probably benign Het
Muc13 G A 16: 33,619,789 (GRCm39) G179D unknown Het
Nebl T A 2: 17,457,363 (GRCm39) T66S probably benign Het
Npsr1 T A 9: 24,221,377 (GRCm39) I277N possibly damaging Het
Or1j20 T G 2: 36,760,352 (GRCm39) I258S probably damaging Het
Or6c213 T A 10: 129,573,910 (GRCm39) N292I probably damaging Het
Pcdha11 T A 18: 37,139,212 (GRCm39) Y280* probably null Het
Pitrm1 T C 13: 6,599,696 (GRCm39) I46T probably benign Het
Plxnc1 A G 10: 94,637,352 (GRCm39) V1308A possibly damaging Het
Ppp1r9a T C 6: 5,143,491 (GRCm39) probably null Het
Ptgdr A G 14: 45,096,379 (GRCm39) M111T probably damaging Het
Rab3gap1 A G 1: 127,866,370 (GRCm39) K850R probably benign Het
Rsf1 G GACGGCGGCC 7: 97,229,116 (GRCm39) probably benign Het
Smtnl2 T A 11: 72,293,993 (GRCm39) M188L probably benign Het
Snip1 G A 4: 124,960,618 (GRCm39) V25M probably damaging Het
Spock3 A C 8: 63,808,345 (GRCm39) D411A unknown Het
Sptbn4 C T 7: 27,071,721 (GRCm39) R1581H probably damaging Het
Stard13 A G 5: 150,965,627 (GRCm39) S1080P probably benign Het
Svep1 A T 4: 58,070,566 (GRCm39) C2407S possibly damaging Het
Tanc1 T C 2: 59,636,651 (GRCm39) S845P probably damaging Het
Tnfsf13 T C 11: 69,574,688 (GRCm39) Y202C probably damaging Het
Top1 T A 2: 160,559,374 (GRCm39) C632* probably null Het
Tsr1 C A 11: 74,791,096 (GRCm39) T225K probably benign Het
Other mutations in Cyp8b1
AlleleSourceChrCoordTypePredicted EffectPPH Score
IGL01527:Cyp8b1 APN 9 121,744,061 (GRCm39) missense probably damaging 0.98
IGL01874:Cyp8b1 APN 9 121,744,969 (GRCm39) missense possibly damaging 0.71
IGL02004:Cyp8b1 APN 9 121,744,058 (GRCm39) missense probably benign 0.01
IGL02218:Cyp8b1 APN 9 121,744,183 (GRCm39) missense probably damaging 1.00
IGL02606:Cyp8b1 APN 9 121,744,801 (GRCm39) missense probably damaging 1.00
IGL02724:Cyp8b1 APN 9 121,744,453 (GRCm39) missense probably benign 0.12
IGL02796:Cyp8b1 UTSW 9 121,744,564 (GRCm39) missense probably benign
R1052:Cyp8b1 UTSW 9 121,744,348 (GRCm39) missense possibly damaging 0.67
R1223:Cyp8b1 UTSW 9 121,744,070 (GRCm39) missense possibly damaging 0.71
R1572:Cyp8b1 UTSW 9 121,744,024 (GRCm39) missense possibly damaging 0.94
R1639:Cyp8b1 UTSW 9 121,743,956 (GRCm39) missense probably benign 0.01
R3833:Cyp8b1 UTSW 9 121,745,109 (GRCm39) missense probably benign 0.00
R3938:Cyp8b1 UTSW 9 121,744,684 (GRCm39) missense probably benign 0.05
R4151:Cyp8b1 UTSW 9 121,745,134 (GRCm39) missense probably damaging 1.00
R4615:Cyp8b1 UTSW 9 121,745,164 (GRCm39) nonsense probably null
R4625:Cyp8b1 UTSW 9 121,744,651 (GRCm39) missense probably damaging 0.99
R5327:Cyp8b1 UTSW 9 121,743,950 (GRCm39) missense probably damaging 0.99
R6391:Cyp8b1 UTSW 9 121,744,864 (GRCm39) nonsense probably null
R6998:Cyp8b1 UTSW 9 121,745,059 (GRCm39) missense probably benign
R7086:Cyp8b1 UTSW 9 121,744,355 (GRCm39) missense probably benign 0.02
R7162:Cyp8b1 UTSW 9 121,744,777 (GRCm39) missense probably damaging 0.99
R7210:Cyp8b1 UTSW 9 121,744,246 (GRCm39) missense probably damaging 1.00
R7223:Cyp8b1 UTSW 9 121,744,163 (GRCm39) missense probably damaging 1.00
R8352:Cyp8b1 UTSW 9 121,744,997 (GRCm39) missense probably damaging 0.97
R8452:Cyp8b1 UTSW 9 121,744,997 (GRCm39) missense probably damaging 0.97
R8672:Cyp8b1 UTSW 9 121,743,986 (GRCm39) missense probably benign 0.00
R8897:Cyp8b1 UTSW 9 121,745,358 (GRCm39) start gained probably benign
R9484:Cyp8b1 UTSW 9 121,744,983 (GRCm39) missense probably benign 0.00
R9764:Cyp8b1 UTSW 9 121,744,294 (GRCm39) missense probably benign 0.03
RF013:Cyp8b1 UTSW 9 121,744,561 (GRCm39) missense possibly damaging 0.59
Z1177:Cyp8b1 UTSW 9 121,745,212 (GRCm39) missense probably damaging 1.00
Z1177:Cyp8b1 UTSW 9 121,744,597 (GRCm39) missense probably benign 0.06
Predicted Primers PCR Primer
(F):5'- TGAGGAACCGATCATACTTGAAG -3'
(R):5'- ACTTTATGATGCTCTGGGCC -3'

Sequencing Primer
(F):5'- ACCGATCATACTTGAAGGCTGTG -3'
(R):5'- TCCCAGGGGAACACGGG -3'
Posted On 2020-09-02