Incidental Mutation 'R2271:Cyp27a1'
ID 242437
Institutional Source Beutler Lab
Gene Symbol Cyp27a1
Ensembl Gene ENSMUSG00000026170
Gene Name cytochrome P450, family 27, subfamily a, polypeptide 1
Synonyms Cyp27, cholesterol 27 hydroxylase, 1300013A03Rik
MMRRC Submission 040271-MU
Accession Numbers
Essential gene? Probably non essential (E-score: 0.118) question?
Stock # R2271 (G1)
Quality Score 225
Status Not validated
Chromosome 1
Chromosomal Location 74752733-74777051 bp(+) (GRCm39)
Type of Mutation missense
DNA Base Change (assembly) A to G at 74775846 bp (GRCm39)
Zygosity Heterozygous
Amino Acid Change Asparagine to Aspartic acid at position 344 (N344D)
Ref Sequence ENSEMBL: ENSMUSP00000027356 (fasta)
Gene Model predicted gene model for transcript(s): [ENSMUST00000027356] [ENSMUST00000081636] [ENSMUST00000113672] [ENSMUST00000160732] [ENSMUST00000162093] [ENSMUST00000188073]
AlphaFold Q9DBG1
Predicted Effect probably damaging
Transcript: ENSMUST00000027356
AA Change: N344D

PolyPhen 2 Score 1.000 (Sensitivity: 0.00; Specificity: 1.00)
SMART Domains Protein: ENSMUSP00000027356
Gene: ENSMUSG00000026170
AA Change: N344D

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
Coding Region Coverage
  • 1x: 99.2%
  • 3x: 98.6%
  • 10x: 97.3%
  • 20x: 95.1%
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: 82 list
GeneRefVarChr/LocMutationPredicted EffectZygosity
2310057J18Rik T A 10: 28,857,575 (GRCm39) Q194L probably damaging Het
Acsf2 T A 11: 94,449,699 (GRCm39) K574* probably null Het
Adam22 T C 5: 8,171,108 (GRCm39) E614G probably damaging Het
Ap4e1 T C 2: 126,889,083 (GRCm39) probably null Het
Arid3c T A 4: 41,724,744 (GRCm39) I364F probably damaging Het
Bcan T A 3: 87,900,401 (GRCm39) S611C probably damaging Het
Birc6 T C 17: 74,909,966 (GRCm39) V1453A probably benign Het
Carnmt1 T C 19: 18,680,734 (GRCm39) L336P probably damaging Het
Ccdc146 C A 5: 21,604,719 (GRCm39) D40Y probably benign Het
Ccdc83 C T 7: 89,873,285 (GRCm39) V357I probably damaging Het
Cdh22 A T 2: 164,985,767 (GRCm39) probably null Het
Cdk5rap2 A C 4: 70,184,915 (GRCm39) S1178R probably benign Het
Cdkl3 T C 11: 51,923,322 (GRCm39) V45A probably benign Het
Chd7 A G 4: 8,785,532 (GRCm39) D612G probably damaging Het
Chst11 T C 10: 83,027,004 (GRCm39) Y144H probably damaging Het
Cops6 A T 5: 138,159,403 (GRCm39) N10I probably benign Het
Cyfip1 G T 7: 55,549,705 (GRCm39) R624L probably null Het
Des T G 1: 75,340,137 (GRCm39) M348R probably damaging Het
Dis3l T A 9: 64,238,165 (GRCm39) D109V probably damaging Het
Disp3 C T 4: 148,356,059 (GRCm39) R267Q possibly damaging Het
Dnah3 T A 7: 119,574,352 (GRCm39) I2136F probably benign Het
Dnah9 T C 11: 66,003,188 (GRCm39) D872G probably benign Het
Dnajb14 G A 3: 137,591,141 (GRCm39) G31S probably benign Het
Dop1a T G 9: 86,376,471 (GRCm39) V235G probably damaging Het
Efcab6 T A 15: 83,831,200 (GRCm39) R571S probably benign Het
Emsy T G 7: 98,275,830 (GRCm39) K352N probably damaging Het
Erbb4 T C 1: 68,238,047 (GRCm39) N814S probably damaging Het
Fgfbp1 T A 5: 44,136,672 (GRCm39) M207L probably benign Het
Filip1 T C 9: 79,727,212 (GRCm39) E469G probably damaging Het
Garem2 T G 5: 30,321,972 (GRCm39) L777R probably damaging Het
Garin5b T A 7: 4,761,186 (GRCm39) T509S probably benign Het
Hkdc1 T C 10: 62,253,677 (GRCm39) T35A probably benign Het
Hps6 C T 19: 45,994,121 (GRCm39) A686V possibly damaging Het
Irs1 T C 1: 82,266,180 (GRCm39) S679G probably benign Het
Ism1 T A 2: 139,599,293 (GRCm39) I415N probably damaging Het
Kdm1b TCATTGTCC TCATTGTCCATTGTCC 13: 47,217,564 (GRCm39) probably null Het
Kpna1 G A 16: 35,851,591 (GRCm39) A392T probably damaging Het
Lipa T A 19: 34,488,290 (GRCm39) R119* probably null Het
Lrrc37 T C 11: 103,505,033 (GRCm39) T2312A possibly damaging Het
Mocs1 A T 17: 49,756,137 (GRCm39) K198M probably damaging Het
Mrc2 G A 11: 105,239,257 (GRCm39) probably null Het
Msh5 A G 17: 35,263,366 (GRCm39) I154T probably benign Het
Muc6 T A 7: 141,217,423 (GRCm39) T2417S possibly damaging Het
Ncbp2 T C 16: 31,775,769 (GRCm39) Y138H probably damaging Het
Ndufv1 C A 19: 4,058,347 (GRCm39) R359L probably benign Het
Neu3 G C 7: 99,462,650 (GRCm39) R358G probably benign Het
Ntrk3 A C 7: 78,166,471 (GRCm39) probably null Het
Or1n1 G A 2: 36,749,637 (GRCm39) S241F probably damaging Het
Or8b12i T A 9: 20,082,705 (GRCm39) H54L possibly damaging Het
Or8j3 A G 2: 86,028,161 (GRCm39) F312L probably benign Het
Pik3c2b T C 1: 133,031,166 (GRCm39) S1491P probably benign Het
Plb1 G T 5: 32,450,586 (GRCm39) D376Y probably damaging Het
Plch1 T A 3: 63,651,956 (GRCm39) K378N probably damaging Het
Plekhm1 C T 11: 103,277,948 (GRCm39) E383K probably benign Het
Plxnb1 T C 9: 108,931,776 (GRCm39) probably null Het
Prkdc A G 16: 15,472,681 (GRCm39) probably null Het
Prpf8 T A 11: 75,386,189 (GRCm39) V946E probably damaging Het
Psma5-ps A G 10: 85,149,595 (GRCm39) noncoding transcript Het
Ptprh C A 7: 4,606,132 (GRCm39) probably benign Het
Rngtt T A 4: 33,500,302 (GRCm39) C565* probably null Het
Sacs A G 14: 61,442,109 (GRCm39) H1385R probably benign Het
Sec24a A G 11: 51,607,277 (GRCm39) S656P possibly damaging Het
Serpinb13 A T 1: 106,926,756 (GRCm39) I251L possibly damaging Het
Shc1 G A 3: 89,330,849 (GRCm39) G91S probably damaging Het
Sin3b T A 8: 73,460,047 (GRCm39) N211K probably benign Het
Slc22a2 A T 17: 12,805,692 (GRCm39) M148L probably benign Het
Slc3a1 G A 17: 85,371,220 (GRCm39) V591I probably benign Het
Slc47a2 A T 11: 61,219,352 (GRCm39) probably null Het
Spag17 C T 3: 100,014,113 (GRCm39) P2129S probably damaging Het
Specc1l C T 10: 75,081,438 (GRCm39) S278F probably damaging Het
Sphkap T A 1: 83,234,942 (GRCm39) D1628V probably damaging Het
Themis3 C T 17: 66,862,699 (GRCm39) V420I possibly damaging Het
Ttc39d A G 17: 80,524,675 (GRCm39) K445E probably damaging Het
U2surp T C 9: 95,373,473 (GRCm39) E232G possibly damaging Het
Usp25 T A 16: 76,873,317 (GRCm39) F458L probably damaging Het
Usp7 T C 16: 8,516,333 (GRCm39) S649G probably benign Het
Vmn1r10 A G 6: 57,091,088 (GRCm39) T227A probably damaging Het
Zcchc12 C T X: 35,462,118 (GRCm39) T345M possibly damaging Het
Zfp444 T C 7: 6,192,554 (GRCm39) C191R probably damaging Het
Zfp729b A T 13: 67,740,352 (GRCm39) C648S probably damaging Het
Zfp799 A G 17: 33,040,777 (GRCm39) Y58H probably damaging Het
Zfp938 C T 10: 82,061,381 (GRCm39) G413D probably damaging Het
Other mutations in Cyp27a1
AlleleSourceChrCoordTypePredicted EffectPPH Score
IGL01089:Cyp27a1 APN 1 74,771,097 (GRCm39) missense possibly damaging 0.88
IGL01824:Cyp27a1 APN 1 74,775,040 (GRCm39) nonsense probably null
IGL02725:Cyp27a1 APN 1 74,774,862 (GRCm39) missense probably damaging 0.98
IGL02966:Cyp27a1 APN 1 74,771,249 (GRCm39) missense probably benign
IGL03067:Cyp27a1 APN 1 74,771,068 (GRCm39) splice site probably null
R0103:Cyp27a1 UTSW 1 74,775,074 (GRCm39) missense probably benign
R0103:Cyp27a1 UTSW 1 74,775,074 (GRCm39) missense probably benign
R1968:Cyp27a1 UTSW 1 74,776,435 (GRCm39) missense probably benign 0.00
R3847:Cyp27a1 UTSW 1 74,776,718 (GRCm39) missense probably damaging 0.99
R4735:Cyp27a1 UTSW 1 74,776,366 (GRCm39) missense possibly damaging 0.94
R4936:Cyp27a1 UTSW 1 74,774,564 (GRCm39) missense probably benign 0.35
R5849:Cyp27a1 UTSW 1 74,775,843 (GRCm39) missense probably damaging 1.00
R6129:Cyp27a1 UTSW 1 74,774,851 (GRCm39) missense probably benign 0.24
R6193:Cyp27a1 UTSW 1 74,776,231 (GRCm39) missense probably benign 0.00
R6344:Cyp27a1 UTSW 1 74,776,008 (GRCm39) critical splice donor site probably null
R6464:Cyp27a1 UTSW 1 74,775,047 (GRCm39) missense possibly damaging 0.61
R7226:Cyp27a1 UTSW 1 74,776,507 (GRCm39) missense probably damaging 1.00
R7337:Cyp27a1 UTSW 1 74,774,594 (GRCm39) missense probably damaging 1.00
R7696:Cyp27a1 UTSW 1 74,771,198 (GRCm39) missense probably benign 0.00
R7959:Cyp27a1 UTSW 1 74,776,236 (GRCm39) missense probably benign 0.07
R8258:Cyp27a1 UTSW 1 74,771,214 (GRCm39) missense probably benign 0.22
R8259:Cyp27a1 UTSW 1 74,771,214 (GRCm39) missense probably benign 0.22
R9352:Cyp27a1 UTSW 1 74,752,920 (GRCm39) missense possibly damaging 0.92
Z1177:Cyp27a1 UTSW 1 74,776,494 (GRCm39) missense probably damaging 1.00
Predicted Primers PCR Primer
(F):5'- ATGCAGTCTTCCTCCATATTGG -3'
(R):5'- TTCCATTCCTATGCGCATGGG -3'

Sequencing Primer
(F):5'- CACCTCTGGGTTCATGTTTATTATAG -3'
(R):5'- CCTATGCGCATGGGATCATATC -3'
Posted On 2014-10-16