Incidental Mutation 'R6464:Cyp27a1'
ID 517711
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 # R6464 (G1)
Quality Score 225.009
Status Validated
Chromosome 1
Chromosomal Location 74713574-74737892 bp(+) (GRCm38)
Type of Mutation missense
DNA Base Change (assembly) T to C at 74735888 bp (GRCm38)
Zygosity Heterozygous
Amino Acid Change Valine to Alanine at position 292 (V292A)
Ref Sequence ENSEMBL: ENSMUSP00000027356 (fasta)
Gene Model predicted gene model for transcript(s): [ENSMUST00000027356] [ENSMUST00000081636] [ENSMUST00000113672] [ENSMUST00000160732] [ENSMUST00000188073]
AlphaFold Q9DBG1
Predicted Effect possibly damaging
Transcript: ENSMUST00000027356
AA Change: V292A

PolyPhen 2 Score 0.611 (Sensitivity: 0.87; Specificity: 0.91)
SMART Domains Protein: ENSMUSP00000027356
Gene: ENSMUSG00000026170
AA Change: V292A

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: 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 0.1795 question?
Coding Region Coverage
  • 1x: 99.9%
  • 3x: 99.6%
  • 10x: 97.9%
  • 20x: 93.8%
Validation Efficiency 100% (48/48)
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: 51 list
GeneRefVarChr/LocMutationPredicted EffectZygosity
Abcc1 T A 16: 14,447,490 S769T probably damaging Het
Apoe G A 7: 19,697,536 T52M probably damaging Het
Arhgef10l A C 4: 140,586,815 M230R probably benign Het
Cdkl4 A T 17: 80,525,352 I321N probably benign Het
Ceacam5 T C 7: 17,747,466 probably null Het
Cfap70 T C 14: 20,401,039 probably null Het
Clasp2 A G 9: 113,773,717 Y195C probably damaging Het
Clip2 T C 5: 134,491,925 I999V probably benign Het
Cntnap5a A G 1: 116,184,408 D476G probably benign Het
Col6a6 C T 9: 105,788,953 M1I probably null Het
Cyp2c29 A G 19: 39,329,225 Y385C probably damaging Het
Dsg3 A C 18: 20,533,526 R597S probably benign Het
Fam131c T C 4: 141,382,342 I95T probably damaging Het
Fam13b A T 18: 34,473,631 C302* probably null Het
Fkbp15 T C 4: 62,308,078 K745E possibly damaging Het
Flg T A 3: 93,281,381 probably benign Het
Gm11559 T C 11: 99,864,716 C64R unknown Het
Gm14025 T C 2: 129,039,545 T154A possibly damaging Het
Gm35339 A G 15: 76,362,777 T1413A probably benign Het
Helt T C 8: 46,292,534 D104G probably damaging Het
Helz2 T C 2: 181,235,069 T1211A probably benign Het
Ifna9 T C 4: 88,592,250 R46G possibly damaging Het
Kif20b G A 19: 34,934,441 V235I probably benign Het
Kif7 A G 7: 79,714,094 V22A possibly damaging Het
Klra9 G T 6: 130,179,032 Y253* probably null Het
Lipf A T 19: 33,973,544 Y305F probably benign Het
Lpar1 A G 4: 58,486,875 L132P possibly damaging Het
Magi1 A T 6: 93,699,789 V834E probably damaging Het
Meltf T C 16: 31,890,776 Y432H probably benign Het
Mroh2a G C 1: 88,257,802 E1510D probably damaging Het
Myo1f T C 17: 33,576,647 L59P probably damaging Het
Naa25 G A 5: 121,417,961 D271N probably damaging Het
Olfr1038-ps A T 2: 86,122,408 I162F possibly damaging Het
Olfr1117-ps1 A T 2: 87,309,607 I273F probably damaging Het
Otoa A G 7: 121,102,605 Q169R probably damaging Het
Pde4dip C T 3: 97,710,344 D1723N probably damaging Het
Ptdss2 T C 7: 141,152,211 V175A probably damaging Het
Rdh8 G T 9: 20,823,400 R121L probably damaging Het
Rpl23 T C 11: 97,778,285 probably null Het
Scn5a T C 9: 119,534,580 D498G probably damaging Het
Slc39a14 G C 14: 70,306,728 L470V probably damaging Het
Smok2a C T 17: 13,226,430 A298V probably damaging Het
Tesk2 A C 4: 116,802,849 D388A probably damaging Het
Tnik G A 3: 28,611,970 probably null Het
Ube3a T A 7: 59,276,183 Y236* probably null Het
Ugt1a1 CAGAGAGAGAGAGA CAGAGAGAGAGA 1: 88,211,984 probably benign Het
Vmn1r74 A T 7: 11,847,204 I144L possibly damaging Het
Vmn2r1 G A 3: 64,101,345 D482N probably benign Het
Vwf T C 6: 125,639,400 probably null Het
Zfp703 C G 8: 26,979,327 P340A probably damaging Het
Znfx1 T C 2: 167,046,922 S789G 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
R6344:Cyp27a1 UTSW 1 74736849 critical splice donor site probably null
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'- TTTCCTTCCCAAATGGACGCG -3'
(R):5'- TACATCCCAAATGCTGCTCC -3'

Sequencing Primer
(F):5'- CCCTTTTGGAAGCGATACCTGAATG -3'
(R):5'- AAATGCTGCTCCCCCTTTCAG -3'
Posted On 2018-05-21