Incidental Mutation 'R6771:Cyb5a'
ID 532188
Institutional Source Beutler Lab
Gene Symbol Cyb5a
Ensembl Gene ENSMUSG00000024646
Gene Name cytochrome b5 type A (microsomal)
Synonyms 0610009N12Rik, Cyb5
MMRRC Submission 044887-MU
Accession Numbers
Essential gene? Probably non essential (E-score: 0.153) question?
Stock # R6771 (G1)
Quality Score 225.009
Status Validated
Chromosome 18
Chromosomal Location 84869463-84897996 bp(+) (GRCm39)
Type of Mutation missense
DNA Base Change (assembly) T to A at 84889755 bp (GRCm39)
Zygosity Heterozygous
Amino Acid Change Histidine to Glutamine at position 61 (H61Q)
Ref Sequence ENSEMBL: ENSMUSP00000124412 (fasta)
Gene Model predicted gene model for transcript(s): [ENSMUST00000025549] [ENSMUST00000160180] [ENSMUST00000163083]
AlphaFold P56395
Predicted Effect probably damaging
Transcript: ENSMUST00000025549
AA Change: H85Q

PolyPhen 2 Score 0.974 (Sensitivity: 0.76; Specificity: 0.96)
SMART Domains Protein: ENSMUSP00000025549
Gene: ENSMUSG00000024646
AA Change: H85Q

DomainStartEndE-ValueType
Cyt-b5 12 85 7.45e-28 SMART
Predicted Effect probably damaging
Transcript: ENSMUST00000160180
AA Change: H85Q

PolyPhen 2 Score 0.998 (Sensitivity: 0.27; Specificity: 0.99)
SMART Domains Protein: ENSMUSP00000124480
Gene: ENSMUSG00000024646
AA Change: H85Q

DomainStartEndE-ValueType
Cyt-b5 12 85 7.45e-28 SMART
transmembrane domain 109 131 N/A INTRINSIC
Predicted Effect probably damaging
Transcript: ENSMUST00000163083
AA Change: H61Q

PolyPhen 2 Score 0.999 (Sensitivity: 0.14; Specificity: 0.99)
SMART Domains Protein: ENSMUSP00000124412
Gene: ENSMUSG00000024646
AA Change: H61Q

DomainStartEndE-ValueType
Cyt-b5 1 61 1.66e-2 SMART
transmembrane domain 85 107 N/A INTRINSIC
Coding Region Coverage
  • 1x: 99.9%
  • 3x: 99.7%
  • 10x: 98.7%
  • 20x: 96.3%
Validation Efficiency 95% (37/39)
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: 38 list
GeneRefVarChr/LocMutationPredicted EffectZygosity
Abhd8 G T 8: 71,914,105 (GRCm39) H174Q probably damaging Het
Apoa4 G A 9: 46,154,465 (GRCm39) M355I probably benign Het
Apol8 A T 15: 77,637,258 (GRCm39) probably null Het
Arvcf A G 16: 18,222,614 (GRCm39) T792A probably benign Het
Atp10b T C 11: 43,094,079 (GRCm39) probably null Het
Atp9a A T 2: 168,516,820 (GRCm39) Y340N probably damaging Het
C1rb T G 6: 124,554,364 (GRCm39) S382A probably benign Het
Clmn A G 12: 104,740,041 (GRCm39) V962A probably benign Het
Csmd1 A G 8: 16,121,408 (GRCm39) V1763A possibly damaging Het
Ctnnd1 A T 2: 84,450,454 (GRCm39) D255E probably damaging Het
Ctnnd1 C A 2: 84,450,269 (GRCm39) R317L probably damaging Het
Dipk1b A G 2: 26,524,875 (GRCm39) R92G probably benign Het
Dmxl2 A T 9: 54,323,808 (GRCm39) I1192N probably damaging Het
Flg T C 3: 93,195,630 (GRCm39) probably benign Het
Fras1 A G 5: 96,746,800 (GRCm39) I623M possibly damaging Het
Ftsj3 T C 11: 106,140,366 (GRCm39) K801E probably damaging Het
Gpr35 T A 1: 92,910,426 (GRCm39) M46K probably damaging Het
Ighv2-9 T G 12: 113,842,807 (GRCm39) S87R probably damaging Het
Kdm4b C T 17: 56,658,754 (GRCm39) A33V possibly damaging Het
Klhl5 T A 5: 65,321,995 (GRCm39) Y534N probably damaging Het
Marchf8 T C 6: 116,379,004 (GRCm39) S313P probably benign Het
Mccc1 C T 3: 36,043,992 (GRCm39) probably null Het
Memo1 A T 17: 74,508,273 (GRCm39) F270L probably damaging Het
Nxpe3 C A 16: 55,686,471 (GRCm39) G179V probably damaging Het
Or4k15c C A 14: 50,321,446 (GRCm39) A231S probably damaging Het
Or5b120 T A 19: 13,480,318 (GRCm39) F204I possibly damaging Het
Or7g35 C T 9: 19,496,675 (GRCm39) L281F probably benign Het
Otp A G 13: 95,012,294 (GRCm39) D6G probably damaging Het
Ptpn4 T A 1: 119,643,698 (GRCm39) N350I probably benign Het
Pwp2 G A 10: 78,018,222 (GRCm39) probably null Het
Rassf10 A G 7: 112,553,635 (GRCm39) M79V probably benign Het
Rbm12 A T 2: 155,939,375 (GRCm39) I299N possibly damaging Het
Rsf1 GGCG GGCGACGGCTGCG 7: 97,229,113 (GRCm39) probably benign Homo
Scfd2 T C 5: 74,692,117 (GRCm39) H55R probably benign Het
Skic2 G A 17: 35,064,166 (GRCm39) R507* probably null Het
Sp110 C T 1: 85,520,000 (GRCm39) probably null Het
Syde2 G A 3: 145,704,803 (GRCm39) G318E probably damaging Het
Ttn T A 2: 76,538,883 (GRCm39) D34649V 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
R1122:Cyb5a UTSW 18 84,895,964 (GRCm39) missense possibly damaging 0.62
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
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'- TGCAGTGGGCTATCTGATCAG -3'
(R):5'- ACCCCGAGTTCAGCAATAACTG -3'

Sequencing Primer
(F):5'- TGGGCTATCTGATCAGATAAGC -3'
(R):5'- AGGTATCCTGTTAAGCACCG -3'
Posted On 2018-08-29