Incidental Mutation 'R2867:Cyp7a1'
ID 266381
Institutional Source Beutler Lab
Gene Symbol Cyp7a1
Ensembl Gene ENSMUSG00000028240
Gene Name cytochrome P450, family 7, subfamily a, polypeptide 1
Synonyms cholesterol 7 alpha hydroxylase
MMRRC Submission 040456-MU
Accession Numbers
Essential gene? Possibly non essential (E-score: 0.376) question?
Stock # R2867 (G1)
Quality Score 225
Status Validated
Chromosome 4
Chromosomal Location 6265612-6275632 bp(-) (GRCm39)
Type of Mutation missense
DNA Base Change (assembly) T to C at 6272493 bp (GRCm39)
Zygosity Heterozygous
Amino Acid Change Glutamic Acid to Glycine at position 240 (E240G)
Ref Sequence ENSEMBL: ENSMUSP00000029905 (fasta)
Gene Model predicted gene model for transcript(s): [ENSMUST00000029905]
AlphaFold Q64505
Predicted Effect probably damaging
Transcript: ENSMUST00000029905
AA Change: E240G

PolyPhen 2 Score 0.994 (Sensitivity: 0.69; Specificity: 0.97)
SMART Domains Protein: ENSMUSP00000029905
Gene: ENSMUSG00000028240
AA Change: E240G

DomainStartEndE-ValueType
transmembrane domain 5 24 N/A INTRINSIC
Pfam:p450 32 497 2.3e-87 PFAM
Predicted Effect noncoding transcript
Transcript: ENSMUST00000147346
Meta Mutation Damage Score 0.1540 question?
Coding Region Coverage
  • 1x: 99.2%
  • 3x: 98.6%
  • 10x: 97.5%
  • 20x: 95.7%
Validation Efficiency 97% (30/31)
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 first reaction in the cholesterol catabolic pathway in the liver, which converts cholesterol to bile acids. This reaction is the rate limiting step and the major site of regulation of bile acid synthesis, which is the primary mechanism for the removal of cholesterol from the body. Polymorphisms in the promoter of this gene are associated with defects in bile acid synthesis. [provided by RefSeq, Feb 2010]
PHENOTYPE: Mice homozygous for disruption of this gene experience severe neonatal and postnatal lethality. Supplementation of the maternal diet with fat soluble vitamins and cholic acid starting before birth alleviates much of the phenotype. [provided by MGI curators]
Allele List at MGI
Other mutations in this stock
Total: 37 list
GeneRefVarChr/LocMutationPredicted EffectZygosity
Adss2 T C 1: 177,595,378 (GRCm39) probably null Het
Arid3c T C 4: 41,725,958 (GRCm39) D215G probably damaging Het
Birc2 A C 9: 7,834,478 (GRCm39) M1R probably null Het
Caprin2 G A 6: 148,747,738 (GRCm39) silent Het
Cog4 C A 8: 111,593,291 (GRCm39) probably benign Het
Cpz T C 5: 35,659,705 (GRCm39) K647E probably benign Het
Ctnna2 T C 6: 77,091,905 (GRCm39) probably benign Het
Dnaaf11 A T 15: 66,310,257 (GRCm39) L337* probably null Het
Efhc2 A T X: 17,027,484 (GRCm39) probably benign Homo
Epha6 T C 16: 59,780,659 (GRCm39) probably null Het
Evc T A 5: 37,473,619 (GRCm39) probably benign Het
Fbf1 A G 11: 116,052,274 (GRCm39) probably benign Het
Grin2b A G 6: 135,710,637 (GRCm39) F970L probably damaging Het
Gtf3c4 A G 2: 28,729,916 (GRCm39) probably benign Het
Kcnma1 A T 14: 23,423,275 (GRCm39) N682K probably benign Het
Kif20b A G 19: 34,917,528 (GRCm39) E631G probably damaging Het
Lctl T C 9: 64,045,150 (GRCm39) S550P probably benign Het
Mapk10 C T 5: 103,186,548 (GRCm39) D25N probably benign Het
Mgst2 A G 3: 51,571,954 (GRCm39) silent Het
Mslnl G A 17: 25,961,908 (GRCm39) V128M probably damaging Het
N4bp1 T C 8: 87,588,033 (GRCm39) N302D probably benign Het
Pcdh7 A T 5: 57,879,236 (GRCm39) K930N probably damaging Het
Pramel16 T A 4: 143,675,456 (GRCm39) I457L probably benign Het
Proca1 A T 11: 78,095,806 (GRCm39) N146I probably damaging Het
RP23-211L5.9 T C 6: 68,872,634 (GRCm39) probably null Het
Ryr2 A T 13: 11,776,235 (GRCm39) W1101R probably damaging Het
Slc35d3 T C 10: 19,725,209 (GRCm39) T216A probably benign Het
Terb1 C T 8: 105,174,485 (GRCm39) probably benign Het
Thnsl2 C A 6: 71,108,945 (GRCm39) D289Y probably damaging Het
Tigd4 A G 3: 84,501,259 (GRCm39) N59D possibly damaging Het
Togaram2 T C 17: 72,016,592 (GRCm39) S649P probably benign Het
Tradd G T 8: 105,986,145 (GRCm39) F182L probably benign Het
Trav17 A T 14: 54,044,383 (GRCm39) Y50F probably benign Het
Usp37 A T 1: 74,489,691 (GRCm39) D808E probably damaging Het
Usp42 G A 5: 143,701,219 (GRCm39) P935S possibly damaging Het
Vmn2r23 A G 6: 123,690,123 (GRCm39) D333G possibly damaging Het
Zfpm2 C T 15: 40,962,785 (GRCm39) A149V probably benign Het
Other mutations in Cyp7a1
AlleleSourceChrCoordTypePredicted EffectPPH Score
IGL01298:Cyp7a1 APN 4 6,275,517 (GRCm39) missense probably damaging 1.00
IGL01577:Cyp7a1 APN 4 6,273,618 (GRCm39) missense probably damaging 1.00
IGL01723:Cyp7a1 APN 4 6,272,442 (GRCm39) missense probably damaging 1.00
IGL02602:Cyp7a1 APN 4 6,272,871 (GRCm39) missense possibly damaging 0.88
IGL03302:Cyp7a1 APN 4 6,273,801 (GRCm39) missense probably benign 0.05
R1017:Cyp7a1 UTSW 4 6,272,307 (GRCm39) missense probably damaging 1.00
R1737:Cyp7a1 UTSW 4 6,272,848 (GRCm39) missense probably benign 0.00
R2044:Cyp7a1 UTSW 4 6,275,492 (GRCm39) missense probably null 1.00
R2326:Cyp7a1 UTSW 4 6,268,396 (GRCm39) missense probably benign
R2867:Cyp7a1 UTSW 4 6,272,493 (GRCm39) missense probably damaging 0.99
R3438:Cyp7a1 UTSW 4 6,272,769 (GRCm39) missense probably damaging 1.00
R4181:Cyp7a1 UTSW 4 6,271,205 (GRCm39) missense probably benign 0.09
R4844:Cyp7a1 UTSW 4 6,273,655 (GRCm39) missense probably damaging 1.00
R5184:Cyp7a1 UTSW 4 6,271,207 (GRCm39) missense probably benign
R5371:Cyp7a1 UTSW 4 6,268,378 (GRCm39) missense probably damaging 1.00
R5613:Cyp7a1 UTSW 4 6,272,799 (GRCm39) missense probably damaging 1.00
R5682:Cyp7a1 UTSW 4 6,268,429 (GRCm39) missense probably benign 0.28
R5987:Cyp7a1 UTSW 4 6,268,476 (GRCm39) missense probably benign 0.05
R5995:Cyp7a1 UTSW 4 6,272,371 (GRCm39) missense possibly damaging 0.74
R6128:Cyp7a1 UTSW 4 6,272,788 (GRCm39) missense possibly damaging 0.80
R6552:Cyp7a1 UTSW 4 6,272,361 (GRCm39) nonsense probably null
R6860:Cyp7a1 UTSW 4 6,272,587 (GRCm39) missense probably damaging 1.00
R7032:Cyp7a1 UTSW 4 6,268,463 (GRCm39) missense possibly damaging 0.94
R7631:Cyp7a1 UTSW 4 6,272,763 (GRCm39) missense possibly damaging 0.89
R7884:Cyp7a1 UTSW 4 6,272,697 (GRCm39) missense probably benign 0.04
R8289:Cyp7a1 UTSW 4 6,268,295 (GRCm39) missense probably damaging 1.00
R8681:Cyp7a1 UTSW 4 6,271,207 (GRCm39) missense probably benign
R8721:Cyp7a1 UTSW 4 6,268,273 (GRCm39) missense probably damaging 1.00
R8931:Cyp7a1 UTSW 4 6,271,238 (GRCm39) missense possibly damaging 0.57
R9613:Cyp7a1 UTSW 4 6,272,587 (GRCm39) missense probably damaging 1.00
R9748:Cyp7a1 UTSW 4 6,269,216 (GRCm39) missense probably damaging 1.00
Predicted Primers PCR Primer
(F):5'- TCCAGAAGGTTGCAGGAATG -3'
(R):5'- ATCAAAGAGCGCTGTCTGGG -3'

Sequencing Primer
(F):5'- AATGGTGTTTGCTTGAGATGCCC -3'
(R):5'- GTTTGAAGCCGGATATCTAACGC -3'
Posted On 2015-02-18