Incidental Mutation 'R6344:Cyp27a1'
ID 514030
Institutional Source Beutler Lab
Gene Symbol Cyp27a1
Ensembl Gene ENSMUSG00000026170
Gene Name cytochrome P450, family 27, subfamily a, polypeptide 1
Synonyms cholesterol 27 hydroxylase, Cyp27, 1300013A03Rik
MMRRC Submission
Accession Numbers
Essential gene? Probably non essential (E-score: 0.121) question?
Stock # R6344 (G1)
Quality Score 225.009
Status Not validated
Chromosome 1
Chromosomal Location 74713574-74737892 bp(+) (GRCm38)
Type of Mutation critical splice donor site (2 bp from exon)
DNA Base Change (assembly) T to C at 74736849 bp (GRCm38)
Zygosity Heterozygous
Amino Acid Change
Ref Sequence ENSEMBL: ENSMUSP00000027356 (fasta)
Gene Model predicted gene model for transcript(s): [ENSMUST00000027356] [ENSMUST00000027356] [ENSMUST00000081636] [ENSMUST00000113672] [ENSMUST00000160732] [ENSMUST00000162093] [ENSMUST00000188073]
AlphaFold Q9DBG1
Predicted Effect probably null
Transcript: ENSMUST00000027356
SMART Domains Protein: ENSMUSP00000027356
Gene: ENSMUSG00000026170

DomainStartEndE-ValueType
Pfam:p450 63 529 5.1e-107 PFAM
Predicted Effect probably null
Transcript: ENSMUST00000027356
SMART Domains Protein: ENSMUSP00000027356
Gene: ENSMUSG00000026170

DomainStartEndE-ValueType
Pfam:p450 63 529 5.1e-107 PFAM
Predicted Effect probably benign
Transcript: ENSMUST00000081636
SMART Domains Protein: ENSMUSP00000080342
Gene: ENSMUSG00000006542

DomainStartEndE-ValueType
low complexity region 63 77 N/A INTRINSIC
CBS 202 251 2.66e-6 SMART
CBS 283 332 7.57e-11 SMART
CBS 358 406 8.69e-11 SMART
CBS 430 478 3.73e-10 SMART
Predicted Effect probably benign
Transcript: ENSMUST00000113672
SMART Domains Protein: ENSMUSP00000109302
Gene: ENSMUSG00000006542

DomainStartEndE-ValueType
low complexity region 38 52 N/A INTRINSIC
CBS 177 226 2.66e-6 SMART
CBS 258 307 7.57e-11 SMART
CBS 333 381 8.69e-11 SMART
CBS 405 453 3.73e-10 SMART
Predicted Effect probably benign
Transcript: ENSMUST00000160732
SMART Domains Protein: ENSMUSP00000125344
Gene: ENSMUSG00000006542

DomainStartEndE-ValueType
low complexity region 63 77 N/A INTRINSIC
CBS 202 251 2.66e-6 SMART
CBS 283 332 7.57e-11 SMART
CBS 358 406 8.69e-11 SMART
CBS 430 478 3.73e-10 SMART
Predicted Effect probably benign
Transcript: ENSMUST00000162093
SMART Domains Protein: ENSMUSP00000125242
Gene: ENSMUSG00000006542

DomainStartEndE-ValueType
low complexity region 63 77 N/A INTRINSIC
CBS 202 251 2.66e-6 SMART
Predicted Effect probably benign
Transcript: ENSMUST00000188073
SMART Domains Protein: ENSMUSP00000139909
Gene: ENSMUSG00000006542

DomainStartEndE-ValueType
low complexity region 63 77 N/A INTRINSIC
CBS 202 251 2.66e-6 SMART
CBS 283 332 7.57e-11 SMART
CBS 358 406 8.69e-11 SMART
CBS 430 478 3.73e-10 SMART
Predicted Effect noncoding transcript
Transcript: ENSMUST00000189083
Predicted Effect noncoding transcript
Transcript: ENSMUST00000190781
Meta Mutation Damage Score 0.9494 question?
Coding Region Coverage
  • 1x: 100.0%
  • 3x: 99.8%
  • 10x: 98.3%
  • 20x: 94.7%
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 mitochondrial protein oxidizes cholesterol intermediates as part of the bile synthesis pathway. Since the conversion of cholesterol to bile acids is the major route for removing cholesterol from the body, this protein is important for overall cholesterol homeostasis. Mutations in this gene cause cerebrotendinous xanthomatosis, a rare autosomal recessive lipid storage disease. [provided by RefSeq, Jul 2008]
PHENOTYPE: Homozygous null allele show hepato- and adrenomegaly, reduced bile acid synthesis, increased cholesterol 7alpha-hydroxylase activity and 7alpha-hydroxycholesterol levels, slightly higher 25-hydroxyvitamin D levels, and altered hepatic fatty acid, triacylglycerol, and adrenal cholesterol homeostasis. [provided by MGI curators]
Allele List at MGI
Other mutations in this stock
Total: 50 list
GeneRefVarChr/LocMutationPredicted EffectZygosity
Abca2 C T 2: 25,437,694 P707L probably damaging Het
Bbip1 A G 19: 53,931,481 V23A probably benign Het
Bdnf A T 2: 109,723,677 Y132F probably benign Het
C4bp T C 1: 130,656,015 D72G probably benign Het
Cdcp1 T A 9: 123,182,382 K343N possibly damaging Het
Cep112 A T 11: 108,519,174 Y472F probably damaging Het
Cops2 A T 2: 125,858,979 probably benign Het
Dnah7a T C 1: 53,397,190 I3998V probably benign Het
Dnase1l1 C T X: 74,277,038 probably null Homo
Dnhd1 A G 7: 105,694,610 I1720M probably benign Het
Fkbpl A G 17: 34,645,570 K104R probably damaging Het
Helq G T 5: 100,766,728 A966E probably benign Het
Iba57 G A 11: 59,158,293 P350L probably damaging Het
Iqgap3 T C 3: 88,082,094 probably null Het
Kcnj9 A G 1: 172,326,146 V137A probably benign Het
Kif19a G A 11: 114,781,951 probably null Het
Kmt2a A T 9: 44,821,859 probably benign Het
Lilra5 T A 7: 4,238,786 F195I probably damaging Het
Mcm9 A G 10: 53,537,937 I349T probably benign Het
Mlst8 A G 17: 24,477,326 L143P probably damaging Het
Mrc1 T C 2: 14,244,174 F174L probably damaging Het
Muc5b T A 7: 141,862,971 L3218Q possibly damaging Het
Myo1h A G 5: 114,328,715 S275G probably damaging Het
Myo5a T A 9: 75,160,509 V615D probably benign Het
Myo9b T C 8: 71,327,914 L485P probably damaging Het
Nav1 A G 1: 135,450,796 Y1646H probably damaging Het
Nsf A T 11: 103,861,904 V539D probably damaging Het
Nutm1 A T 2: 112,248,902 N889K possibly damaging Het
Olfr133 C T 17: 38,148,720 A44V probably benign Het
Olfr543 A G 7: 102,477,531 L113P probably damaging Het
Pcdhga2 T A 18: 37,670,762 V553E probably benign Het
Pkmyt1 T C 17: 23,732,756 S95P possibly damaging Het
Ranbp2 T A 10: 58,483,886 probably null Het
Saxo2 T A 7: 82,634,865 I262F probably damaging Het
Sco1 C T 11: 67,055,745 R115W probably damaging Het
Slc27a3 G T 3: 90,387,654 Y330* probably null Het
Slc6a4 C T 11: 77,018,254 T364I probably damaging Het
Slit2 A G 5: 48,219,681 I388V probably benign Het
Smc6 C A 12: 11,297,106 probably benign Het
Snx25 C T 8: 46,035,638 W747* probably null Het
Stard9 T A 2: 120,704,320 M3686K probably benign Het
Syne1 T C 10: 5,022,212 D8732G probably benign Het
Tcaf3 A G 6: 42,597,171 S36P possibly damaging Het
Trpv6 T C 6: 41,625,422 probably null Het
Tspear T C 10: 77,875,013 F490L possibly damaging Het
Ttn A G 2: 76,721,852 I31147T probably damaging Het
Ugt3a1 A C 15: 9,306,231 E155D probably damaging Het
Urb2 G T 8: 124,031,125 E1190D probably damaging Het
Washc2 G T 6: 116,258,758 Q977H probably benign Het
Yars2 T A 16: 16,303,035 W18R probably benign Het
Other mutations in Cyp27a1
AlleleSourceChrCoordTypePredicted EffectPPH Score
IGL01089:Cyp27a1 APN 1 74731938 missense possibly damaging 0.88
IGL01824:Cyp27a1 APN 1 74735881 nonsense probably null
IGL02725:Cyp27a1 APN 1 74735703 missense probably damaging 0.98
IGL02966:Cyp27a1 APN 1 74732090 missense probably benign
IGL03067:Cyp27a1 APN 1 74731909 splice site probably null
R0103:Cyp27a1 UTSW 1 74735915 missense probably benign
R0103:Cyp27a1 UTSW 1 74735915 missense probably benign
R1968:Cyp27a1 UTSW 1 74737276 missense probably benign 0.00
R2271:Cyp27a1 UTSW 1 74736687 missense probably damaging 1.00
R3847:Cyp27a1 UTSW 1 74737559 missense probably damaging 0.99
R4735:Cyp27a1 UTSW 1 74737207 missense possibly damaging 0.94
R4936:Cyp27a1 UTSW 1 74735405 missense probably benign 0.35
R5849:Cyp27a1 UTSW 1 74736684 missense probably damaging 1.00
R6129:Cyp27a1 UTSW 1 74735692 missense probably benign 0.24
R6193:Cyp27a1 UTSW 1 74737072 missense probably benign 0.00
R6464:Cyp27a1 UTSW 1 74735888 missense possibly damaging 0.61
R7226:Cyp27a1 UTSW 1 74737348 missense probably damaging 1.00
R7337:Cyp27a1 UTSW 1 74735435 missense probably damaging 1.00
R7696:Cyp27a1 UTSW 1 74732039 missense probably benign 0.00
R7959:Cyp27a1 UTSW 1 74737077 missense probably benign 0.07
R8258:Cyp27a1 UTSW 1 74732055 missense probably benign 0.22
R8259:Cyp27a1 UTSW 1 74732055 missense probably benign 0.22
R9352:Cyp27a1 UTSW 1 74713761 missense possibly damaging 0.92
Z1177:Cyp27a1 UTSW 1 74737335 missense probably damaging 1.00
Predicted Primers PCR Primer
(F):5'- TCCAACACACTGACATGGG -3'
(R):5'- CATTCTTGGGGAAGAGAAAGCC -3'

Sequencing Primer
(F):5'- ACACTGACATGGGCCCTGTAC -3'
(R):5'- TTGGGGAAGAGAAAGCCATTAATTTC -3'
Posted On 2018-04-27