Incidental Mutation 'R8258:Cyp27a1'
ID 640056
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 # R8258 (G1)
Quality Score 225.009
Status Validated
Chromosome 1
Chromosomal Location 74713574-74737892 bp(+) (GRCm38)
Type of Mutation missense
DNA Base Change (assembly) A to T at 74732055 bp (GRCm38)
Zygosity Heterozygous
Amino Acid Change Aspartic acid to Valine at position 133 (D133V)
Ref Sequence ENSEMBL: ENSMUSP00000027356 (fasta)
Gene Model predicted gene model for transcript(s): [ENSMUST00000027356]
AlphaFold Q9DBG1
Predicted Effect probably benign
Transcript: ENSMUST00000027356
AA Change: D133V

PolyPhen 2 Score 0.217 (Sensitivity: 0.91; Specificity: 0.88)
SMART Domains Protein: ENSMUSP00000027356
Gene: ENSMUSG00000026170
AA Change: D133V

DomainStartEndE-ValueType
Pfam:p450 63 529 5.1e-107 PFAM
Coding Region Coverage
  • 1x: 100.0%
  • 3x: 99.9%
  • 10x: 99.7%
  • 20x: 99.2%
Validation Efficiency 100% (55/55)
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: 54 list
GeneRefVarChr/LocMutationPredicted EffectZygosity
4931408C20Rik T C 1: 26,682,481 E1206G probably benign Het
Abcg5 T G 17: 84,676,095 T144P possibly damaging Het
Adhfe1 A G 1: 9,558,192 N263S probably null Het
Aebp2 A T 6: 140,637,727 Q309L possibly damaging Het
Akap7 A G 10: 25,171,156 Y281H probably damaging Het
Atg2a G A 19: 6,249,829 A588T probably damaging Het
Calcoco1 T C 15: 102,715,793 D236G probably damaging Het
Camsap2 A T 1: 136,280,339 D470E probably benign Het
Capn8 G T 1: 182,565,133 V25L probably benign Het
Card10 A G 15: 78,776,684 V1041A probably damaging Het
Ccr1 T A 9: 123,964,082 H137L probably damaging Het
Cdh23 A T 10: 60,315,656 D2483E probably damaging Het
Chd2 G T 7: 73,435,784 Q1701K probably benign Het
Ckmt2 T A 13: 91,859,216 R286S probably damaging Het
Dusp9 TAAAGCGGAGGCCAAAGCGGAGGCCAAAGCGGAGGCTAAAGCGGAGGCCAAAGCGGAGGCCAAAGCGGAGGCCAAAGCGGAGGCTAAAGCGGAGGCCAAAGCGGAGGCCAAAG TAAAGCGGAGGCCAAAGCGGAGGCCAAAGCGGAGGCTAAAGCGGAGGCCAAAGCGGAGGCCAAAG X: 73,640,611 probably benign Het
Eml1 A T 12: 108,510,199 I283F probably damaging Het
Fat3 A G 9: 15,990,591 V3046A possibly damaging Het
Fbxw20 A G 9: 109,234,695 V3A probably benign Het
Fcgr2b A G 1: 170,968,133 S76P possibly damaging Het
Fgg C T 3: 83,010,170 Q169* probably null Het
Ggt5 G A 10: 75,614,832 V558I probably benign Het
Gm4779 G C X: 101,793,784 T171S possibly damaging Het
Incenp A G 19: 9,893,629 L212P unknown Het
Incenp G C 19: 9,893,641 T208R unknown Het
Lexm C T 4: 106,591,662 G400S probably damaging Het
Mctp1 T A 13: 76,801,547 probably null Het
Megf8 T C 7: 25,358,423 M2095T probably benign Het
Mroh2b G A 15: 4,911,909 V308I probably benign Het
Muc1 T A 3: 89,232,034 H580Q probably damaging Het
Naip6 A T 13: 100,316,412 M47K probably benign Het
Nrxn1 C A 17: 90,163,821 R1260L probably damaging Het
Nynrin A G 14: 55,863,358 I202V possibly damaging Het
Olfr128 T C 17: 37,923,956 L130P probably damaging Het
Olfr1450 T C 19: 12,954,363 M258T possibly damaging Het
Olfr199 T C 16: 59,216,095 I173V probably benign Het
Pard3 G A 8: 127,371,540 W354* probably null Het
Pcnx3 C T 19: 5,665,384 G1946E probably damaging Het
Peak1 A G 9: 56,259,393 V417A probably damaging Het
Prune2 A G 19: 17,212,308 R3052G unknown Het
Prx T C 7: 27,519,383 L1242P probably damaging Het
Pxylp1 A G 9: 96,825,580 I183T probably benign Het
Ranbp2 A G 10: 58,455,933 E254G probably benign Het
Rhot2 C A 17: 25,839,890 R512L probably benign Het
Rpa1 T C 11: 75,302,724 N594D probably benign Het
Rxfp2 T A 5: 150,059,900 I300K probably damaging Het
Scarf1 T A 11: 75,523,863 S486T probably damaging Het
Slc24a4 T C 12: 102,254,669 V455A probably damaging Het
Slitrk1 A G 14: 108,911,221 V686A probably benign Het
Syne2 C A 12: 75,949,369 Q2228K possibly damaging Het
Tenm4 G A 7: 96,867,991 G1430S probably damaging Het
Tlr12 C A 4: 128,617,699 A253S probably benign Het
Trpm1 G A 7: 64,269,029 A1590T probably benign Het
Vmn1r184 T A 7: 26,267,261 M144K probably benign Het
Wee2 A G 6: 40,444,180 D68G 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
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
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'- AAATGTCATCTCAACTGGACCC -3'
(R):5'- AAGAGGCAGTGGCTGTTCTG -3'

Sequencing Primer
(F):5'- GGACCCCAGTTATTCCACTTTGG -3'
(R):5'- GCCTCAACGTTTTCTAGACAAG -3'
Posted On 2020-07-28