Incidental Mutation 'R8672:Cyp8b1'
ID 661217
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 068527-MU
Accession Numbers
Essential gene? Possibly non essential (E-score: 0.498) question?
Stock # R8672 (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 A at 121743986 bp (GRCm39)
Zygosity Heterozygous
Amino Acid Change Methionine to Leucine at position 449 (M449L)
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 benign
Transcript: ENSMUST00000062474
AA Change: M449L

PolyPhen 2 Score 0.002 (Sensitivity: 0.99; Specificity: 0.30)
SMART Domains Protein: ENSMUSP00000052989
Gene: ENSMUSG00000050445
AA Change: M449L

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: 99.3%
  • 20x: 97.3%
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: 50 list
GeneRefVarChr/LocMutationPredicted EffectZygosity
1700067P10Rik G T 17: 48,400,849 (GRCm39) E45* probably null Het
Aadat A T 8: 60,959,179 (GRCm39) probably benign Het
Amigo3 A G 9: 107,931,375 (GRCm39) H266R possibly damaging Het
Amy2a1 A T 3: 113,323,146 (GRCm39) M214K probably damaging Het
Atp11b A T 3: 35,874,066 (GRCm39) D685V probably benign Het
Aunip T A 4: 134,250,460 (GRCm39) M135K probably benign Het
Brd10 T C 19: 29,731,564 (GRCm39) T483A probably benign Het
Card9 T C 2: 26,247,950 (GRCm39) T134A probably benign Het
Cd46 G A 1: 194,764,949 (GRCm39) T216I probably benign Het
Chit1 T C 1: 134,079,005 (GRCm39) V360A unknown Het
Crcp A G 5: 130,071,077 (GRCm39) R59G probably benign Het
Csmd1 T A 8: 15,976,598 (GRCm39) E2873D probably benign Het
Dpp7 T C 2: 25,246,133 (GRCm39) D40G probably benign Het
Eif4g3 T A 4: 137,853,823 (GRCm39) L463Q possibly damaging Het
Fzd9 T C 5: 135,278,524 (GRCm39) I454V probably benign Het
Gbp11 T A 5: 105,491,675 (GRCm39) I41F probably damaging Het
Gkap1 G A 13: 58,391,662 (GRCm39) T231I probably damaging Het
Heatr5b A G 17: 79,069,632 (GRCm39) L1705P probably damaging Het
Herc3 T A 6: 58,850,786 (GRCm39) F467I probably damaging Het
Ifih1 T C 2: 62,435,993 (GRCm39) E699G possibly damaging Het
Ints5 T A 19: 8,873,370 (GRCm39) L443Q probably damaging Het
Itpr2 A T 6: 146,276,016 (GRCm39) C764S probably damaging Het
Kcnma1 A T 14: 23,551,230 (GRCm39) I519N probably damaging Het
Krtap4-1 C T 11: 99,518,890 (GRCm39) C40Y unknown Het
Mdn1 A G 4: 32,768,793 (GRCm39) D5384G probably damaging Het
Mpl T C 4: 118,306,110 (GRCm39) Y310C probably damaging Het
Mucl1 A G 15: 103,784,063 (GRCm39) S48P possibly damaging Het
Musk T G 4: 58,286,051 (GRCm39) probably benign Het
Nemp1 T C 10: 127,512,988 (GRCm39) S8P probably benign Het
Nisch A G 14: 30,895,093 (GRCm39) C1068R probably damaging Het
Npr3 T C 15: 11,851,579 (GRCm39) N404D probably damaging Het
Nwd1 C G 8: 73,394,007 (GRCm39) H423Q probably damaging Het
Or5a1 C T 19: 12,097,921 (GRCm39) V52M probably benign Het
Or6c66b T A 10: 129,376,596 (GRCm39) N63K probably damaging Het
Or8j3c T A 2: 86,253,976 (GRCm39) M15L probably benign Het
Pcdh9 T C 14: 94,124,529 (GRCm39) N547S probably benign Het
Pdha2 C A 3: 140,917,124 (GRCm39) R128L probably damaging Het
Pebp1 A G 5: 117,421,336 (GRCm39) Y181H probably benign Het
Peg3 T G 7: 6,711,523 (GRCm39) D1233A possibly damaging Het
Pepd C A 7: 34,642,107 (GRCm39) T146N probably damaging Het
Ptk2b A T 14: 66,393,841 (GRCm39) D877E probably benign Het
Rabgap1l A C 1: 160,270,846 (GRCm39) M647R probably damaging Het
Rp1 A G 1: 4,419,007 (GRCm39) S702P possibly damaging Het
Shb A T 4: 45,489,161 (GRCm39) D238E probably damaging Het
Slc36a1 T A 11: 55,123,334 (GRCm39) V433D possibly damaging Het
Spata31h1 A T 10: 82,127,726 (GRCm39) N1761K probably benign Het
Spen C T 4: 141,197,681 (GRCm39) A3396T probably benign Het
Tcerg1 A T 18: 42,686,559 (GRCm39) K705N probably damaging Het
Thbs1 C A 2: 117,943,719 (GRCm39) N112K probably benign Het
Zfp658 T C 7: 43,222,919 (GRCm39) I398T possibly damaging 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
R8392:Cyp8b1 UTSW 9 121,744,300 (GRCm39) missense probably damaging 0.98
R8452:Cyp8b1 UTSW 9 121,744,997 (GRCm39) missense probably damaging 0.97
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'- CAGAGGATGGGTATTCAGTGC -3'
(R):5'- TCTCTCAGTACACATGGACCCC -3'

Sequencing Primer
(F):5'- ATTCAGTGCTGCTCTGGGC -3'
(R):5'- GTACACATGGACCCCGACATC -3'
Posted On 2021-03-08