Incidental Mutation 'R1122:Cyb5a'
ID 95792
Institutional Source Beutler Lab
Gene Symbol Cyb5a
Ensembl Gene ENSMUSG00000024646
Gene Name cytochrome b5 type A (microsomal)
Synonyms 0610009N12Rik, Cyb5
MMRRC Submission 039195-MU
Accession Numbers
Essential gene? Probably non essential (E-score: 0.153) question?
Stock # R1122 (G1)
Quality Score 225
Status Not validated
Chromosome 18
Chromosomal Location 84869463-84897996 bp(+) (GRCm39)
Type of Mutation missense
DNA Base Change (assembly) A to G at 84895964 bp (GRCm39)
Zygosity Heterozygous
Amino Acid Change Threonine to Alanine at position 77 (T77A)
Ref Sequence ENSEMBL: ENSMUSP00000124412 (fasta)
Gene Model predicted gene model for transcript(s): [ENSMUST00000025549] [ENSMUST00000160180] [ENSMUST00000163083]
AlphaFold P56395
Predicted Effect probably benign
Transcript: ENSMUST00000025549
SMART Domains Protein: ENSMUSP00000025549
Gene: ENSMUSG00000024646

DomainStartEndE-ValueType
Cyt-b5 12 85 7.45e-28 SMART
Predicted Effect noncoding transcript
Transcript: ENSMUST00000159837
Predicted Effect noncoding transcript
Transcript: ENSMUST00000159846
Predicted Effect probably benign
Transcript: ENSMUST00000160180
AA Change: T101A

PolyPhen 2 Score 0.000 (Sensitivity: 1.00; Specificity: 0.00)
SMART Domains Protein: ENSMUSP00000124480
Gene: ENSMUSG00000024646
AA Change: T101A

DomainStartEndE-ValueType
Cyt-b5 12 85 7.45e-28 SMART
transmembrane domain 109 131 N/A INTRINSIC
Predicted Effect possibly damaging
Transcript: ENSMUST00000163083
AA Change: T77A

PolyPhen 2 Score 0.620 (Sensitivity: 0.87; Specificity: 0.91)
SMART Domains Protein: ENSMUSP00000124412
Gene: ENSMUSG00000024646
AA Change: T77A

DomainStartEndE-ValueType
Cyt-b5 1 61 1.66e-2 SMART
transmembrane domain 85 107 N/A INTRINSIC
Coding Region Coverage
  • 1x: 99.0%
  • 3x: 98.2%
  • 10x: 96.0%
  • 20x: 91.7%
Validation Efficiency
MGI Phenotype FUNCTION: [Summary is not available for the mouse gene. This summary is for the human ortholog.] The protein encoded by this gene is a membrane-bound cytochrome that reduces ferric hemoglobin (methemoglobin) to ferrous hemoglobin, which is required for stearyl-CoA-desaturase activity. Defects in this gene are a cause of type IV hereditary methemoglobinemia. Three transcript variants encoding different isoforms have been found for this gene. [provided by RefSeq, Jun 2010]
PHENOTYPE: Mice homozygous for a conditional allele exhibit abnormal pharmacokinetics of xenobiotics following cre-mediated recombination. [provided by MGI curators]
Allele List at MGI
Other mutations in this stock
Total: 30 list
GeneRefVarChr/LocMutationPredicted EffectZygosity
Acadvl G A 11: 69,902,203 (GRCm39) L469F probably damaging Het
Adgrb1 C A 15: 74,419,534 (GRCm39) R792S probably damaging Het
Aif1 G A 17: 35,391,127 (GRCm39) P44L probably benign Het
Arhgap15 A T 2: 44,032,307 (GRCm39) H297L probably benign Het
Chtf18 T C 17: 25,943,597 (GRCm39) E333G probably damaging Het
Entrep1 T C 19: 23,952,756 (GRCm39) E518G probably damaging Het
Exosc10 T C 4: 148,650,821 (GRCm39) W456R possibly damaging Het
Fhip2a A T 19: 57,370,733 (GRCm39) T551S probably benign Het
Gad2 A T 2: 22,513,463 (GRCm39) Q31L possibly damaging Het
Gm9637 T A 14: 19,401,879 (GRCm38) noncoding transcript Het
Itgav A G 2: 83,622,283 (GRCm39) T622A probably benign Het
Kifc5b T A 17: 27,143,035 (GRCm39) V269E probably benign Het
Lrrc15 T C 16: 30,092,719 (GRCm39) N207D probably damaging Het
Map2k5 A G 9: 63,170,445 (GRCm39) V291A probably damaging Het
Mrc1 G A 2: 14,266,147 (GRCm39) probably null Het
Nckap1 C T 2: 80,348,286 (GRCm39) S889N probably benign Het
Or12d12 T A 17: 37,611,019 (GRCm39) Q98L probably damaging Het
Or1o2 T A 17: 37,542,934 (GRCm39) D109V probably damaging Het
Pdzd2 A G 15: 12,457,981 (GRCm39) V294A probably benign Het
Rem1 G A 2: 152,476,455 (GRCm39) V238M probably damaging Het
Rnf220 C T 4: 117,135,277 (GRCm39) G171S probably benign Het
Slc6a4 T C 11: 76,918,012 (GRCm39) S585P possibly damaging Het
Slc7a8 T C 14: 54,961,564 (GRCm39) E528G probably benign Het
Slco4c1 A G 1: 96,756,561 (GRCm39) I587T possibly damaging Het
Syt4 T A 18: 31,573,255 (GRCm39) H420L probably damaging Het
Tec T C 5: 72,936,792 (GRCm39) K236E probably damaging Het
Ttn A G 2: 76,545,676 (GRCm39) V32549A probably damaging Het
Uqcc4 T C 17: 25,403,846 (GRCm39) I62T probably benign Het
Wdfy3 T C 5: 102,030,832 (GRCm39) H2299R possibly damaging Het
Zfp729b A G 13: 67,743,403 (GRCm39) V64A possibly damaging Het
Other mutations in Cyb5a
AlleleSourceChrCoordTypePredicted EffectPPH Score
IGL01320:Cyb5a APN 18 84,897,648 (GRCm39) missense probably damaging 0.99
IGL01404:Cyb5a APN 18 84,895,985 (GRCm39) missense probably benign 0.13
IGL02152:Cyb5a APN 18 84,891,281 (GRCm39) missense probably benign 0.04
IGL02179:Cyb5a APN 18 84,891,280 (GRCm39) missense probably benign 0.01
IGL02561:Cyb5a APN 18 84,889,637 (GRCm39) missense probably damaging 1.00
IGL02590:Cyb5a APN 18 84,889,732 (GRCm39) missense probably benign 0.01
R0011:Cyb5a UTSW 18 84,895,947 (GRCm39) splice site probably benign
R1495:Cyb5a UTSW 18 84,869,605 (GRCm39) start codon destroyed probably null 0.99
R1796:Cyb5a UTSW 18 84,869,686 (GRCm39) missense probably benign 0.05
R4402:Cyb5a UTSW 18 84,889,718 (GRCm39) missense possibly damaging 0.87
R5237:Cyb5a UTSW 18 84,889,689 (GRCm39) missense probably damaging 1.00
R6101:Cyb5a UTSW 18 84,889,718 (GRCm39) missense possibly damaging 0.87
R6105:Cyb5a UTSW 18 84,889,718 (GRCm39) missense possibly damaging 0.87
R6771:Cyb5a UTSW 18 84,889,755 (GRCm39) missense probably damaging 1.00
R8546:Cyb5a UTSW 18 84,889,759 (GRCm39) critical splice donor site probably null
R8736:Cyb5a UTSW 18 84,869,560 (GRCm39) unclassified probably benign
R9365:Cyb5a UTSW 18 84,894,979 (GRCm39) intron probably benign
R9579:Cyb5a UTSW 18 84,891,273 (GRCm39) missense probably benign 0.42
Predicted Primers PCR Primer
(F):5'- TCCAAAAGACAGTGACGCAGTCTTC -3'
(R):5'- AGCTGACAGTCTAGGATGGAACACC -3'

Sequencing Primer
(F):5'- AAGTTTCCGTTTTTATGTCGAAGTCC -3'
(R):5'- TCTAGGATGGAACACCCTGAAG -3'
Posted On 2014-01-05