Incidental Mutation 'R4538:Cyp7b1'
ID 333402
Institutional Source Beutler Lab
Gene Symbol Cyp7b1
Ensembl Gene ENSMUSG00000039519
Gene Name cytochrome P450, family 7, subfamily b, polypeptide 1
Synonyms D3Ertd552e, hct-1
MMRRC Submission 041775-MU
Accession Numbers
Essential gene? Non essential (E-score: 0.000) question?
Stock # R4538 (G1)
Quality Score 225
Status Validated
Chromosome 3
Chromosomal Location 18126114-18297502 bp(-) (GRCm39)
Type of Mutation missense
DNA Base Change (assembly) A to T at 18151745 bp (GRCm39)
Zygosity Heterozygous
Amino Acid Change Isoleucine to Asparagine at position 156 (I156N)
Ref Sequence ENSEMBL: ENSMUSP00000037487 (fasta)
Gene Model predicted gene model for transcript(s): [ENSMUST00000035625]
AlphaFold Q60991
Predicted Effect possibly damaging
Transcript: ENSMUST00000035625
AA Change: I156N

PolyPhen 2 Score 0.713 (Sensitivity: 0.86; Specificity: 0.92)
SMART Domains Protein: ENSMUSP00000037487
Gene: ENSMUSG00000039519
AA Change: I156N

DomainStartEndE-ValueType
transmembrane domain 15 34 N/A INTRINSIC
Pfam:p450 44 496 1e-52 PFAM
Meta Mutation Damage Score 0.1795 question?
Coding Region Coverage
  • 1x: 99.2%
  • 3x: 98.5%
  • 10x: 97.0%
  • 20x: 94.5%
Validation Efficiency 97% (36/37)
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 of extrahepatic tissues, which converts cholesterol to bile acids. This enzyme likely plays a minor role in total bile acid synthesis, but may also be involved in the development of atherosclerosis, neurosteroid metabolism and sex hormone synthesis. Mutations in this gene have been associated with hereditary spastic paraplegia (SPG5 or HSP), an autosomal recessive disorder. [provided by RefSeq, Apr 2016]
PHENOTYPE: Mice homozygous for a knock-out allele show significantly increased levels of 25- and 27-hydroxycholesterol, and reduced IgA levels. Female mice homozygous for a reporter allele display early onset of puberty and early ovarian failure. [provided by MGI curators]
Allele List at MGI
Other mutations in this stock
Total: 30 list
GeneRefVarChr/LocMutationPredicted EffectZygosity
3110018I06Rik G A 12: 107,455,096 (GRCm39) V61M unknown Het
Abcc9 A G 6: 142,560,138 (GRCm39) probably null Het
Adcy10 A T 1: 165,340,696 (GRCm39) M234L probably benign Het
B4galt3 T C 1: 171,100,280 (GRCm39) F150S probably damaging Het
Bag4 C T 8: 26,259,516 (GRCm39) A228T probably benign Het
Chd4 A T 6: 125,097,649 (GRCm39) D1377V probably damaging Het
Cope T A 8: 70,759,157 (GRCm39) I16N probably damaging Het
Cpd A T 11: 76,681,825 (GRCm39) N1140K probably benign Het
Depdc5 T C 5: 33,141,290 (GRCm39) Y1397H probably damaging Het
Dnajc13 CT C 9: 104,064,004 (GRCm39) probably benign Het
Ebf1 T A 11: 44,798,822 (GRCm39) D289E probably benign Het
Egflam T C 15: 7,281,918 (GRCm39) Y406C probably damaging Het
Hfm1 T C 5: 107,022,756 (GRCm39) T949A possibly damaging Het
Ifih1 A G 2: 62,447,756 (GRCm39) V316A probably damaging Het
Kif1a C T 1: 93,004,769 (GRCm39) V142M probably damaging Het
Kng2 C A 16: 22,806,813 (GRCm39) R462L probably benign Het
Lrrn1 T A 6: 107,545,598 (GRCm39) N465K probably benign Het
Mdn1 T A 4: 32,722,334 (GRCm39) L2372Q probably damaging Het
Men1 T C 19: 6,386,784 (GRCm39) F159L possibly damaging Het
Mul1 T C 4: 138,165,706 (GRCm39) probably benign Het
Or2l13b A T 16: 19,349,381 (GRCm39) C96* probably null Het
Pramel6 T G 2: 87,338,903 (GRCm39) H34Q probably benign Het
Ripk4 A T 16: 97,544,352 (GRCm39) L702* probably null Het
Slc5a4a C T 10: 76,013,929 (GRCm39) R379* probably null Het
Slc9a3 T C 13: 74,309,851 (GRCm39) V513A possibly damaging Het
Strada A C 11: 106,058,651 (GRCm39) M245R probably damaging Het
Sycp1 A T 3: 102,748,278 (GRCm39) I838K probably benign Het
Tns2 C T 15: 102,017,369 (GRCm39) R281C probably damaging Het
Trbv17 A C 6: 41,140,286 (GRCm39) N47T probably benign Het
Washc3 T A 10: 88,051,871 (GRCm39) S87T probably benign Het
Other mutations in Cyp7b1
AlleleSourceChrCoordTypePredicted EffectPPH Score
IGL02728:Cyp7b1 APN 3 18,126,739 (GRCm39) missense probably damaging 1.00
R0166:Cyp7b1 UTSW 3 18,151,530 (GRCm39) missense probably benign 0.23
R0334:Cyp7b1 UTSW 3 18,157,960 (GRCm39) missense probably damaging 1.00
R0417:Cyp7b1 UTSW 3 18,150,855 (GRCm39) missense probably damaging 1.00
R0696:Cyp7b1 UTSW 3 18,126,749 (GRCm39) missense probably benign 0.23
R0894:Cyp7b1 UTSW 3 18,151,674 (GRCm39) missense probably benign 0.00
R1799:Cyp7b1 UTSW 3 18,151,616 (GRCm39) missense probably benign 0.01
R1893:Cyp7b1 UTSW 3 18,150,731 (GRCm39) missense possibly damaging 0.57
R4692:Cyp7b1 UTSW 3 18,126,728 (GRCm39) missense probably damaging 0.97
R4877:Cyp7b1 UTSW 3 18,151,457 (GRCm39) missense probably damaging 0.98
R5382:Cyp7b1 UTSW 3 18,151,385 (GRCm39) missense possibly damaging 0.53
R5841:Cyp7b1 UTSW 3 18,151,670 (GRCm39) missense probably damaging 1.00
R6867:Cyp7b1 UTSW 3 18,151,394 (GRCm39) missense probably damaging 1.00
R7007:Cyp7b1 UTSW 3 18,151,782 (GRCm39) nonsense probably null
R7379:Cyp7b1 UTSW 3 18,151,538 (GRCm39) missense probably benign 0.23
R7554:Cyp7b1 UTSW 3 18,151,610 (GRCm39) missense probably benign 0.00
R7814:Cyp7b1 UTSW 3 18,151,466 (GRCm39) missense probably benign 0.00
R8137:Cyp7b1 UTSW 3 18,151,765 (GRCm39) missense probably benign 0.23
R8338:Cyp7b1 UTSW 3 18,151,730 (GRCm39) missense probably benign 0.01
R8898:Cyp7b1 UTSW 3 18,150,788 (GRCm39) missense probably benign 0.29
R9132:Cyp7b1 UTSW 3 18,151,476 (GRCm39) missense probably benign 0.05
R9285:Cyp7b1 UTSW 3 18,151,564 (GRCm39) missense probably damaging 1.00
R9378:Cyp7b1 UTSW 3 18,150,837 (GRCm39) missense probably damaging 1.00
Predicted Primers PCR Primer
(F):5'- GGTATGTCAGATACTAAGTATGGGAAC -3'
(R):5'- TCTGAACCCTTTCCAGTACCAG -3'

Sequencing Primer
(F):5'- CATCCCTTAGCTCACTGAT -3'
(R):5'- ACCCTTTCCAGTACCAGTATGTAACG -3'
Posted On 2015-08-18