Incidental Mutation 'R4169:Btn1a1'
ID 320710
Institutional Source Beutler Lab
Gene Symbol Btn1a1
Ensembl Gene ENSMUSG00000000706
Gene Name butyrophilin, subfamily 1, member A1
Synonyms Btn
MMRRC Submission 041010-MU
Accession Numbers
Essential gene? Non essential (E-score: 0.000) question?
Stock # R4169 (G1)
Quality Score 225
Status Validated
Chromosome 13
Chromosomal Location 23641162-23650071 bp(-) (GRCm39)
Type of Mutation missense
DNA Base Change (assembly) A to G at 23649325 bp (GRCm39)
Zygosity Heterozygous
Amino Acid Change Leucine to Proline at position 9 (L9P)
Ref Sequence ENSEMBL: ENSMUSP00000106064 (fasta)
Gene Model predicted gene model for transcript(s): [ENSMUST00000041674] [ENSMUST00000110434]
AlphaFold Q62556
Predicted Effect probably benign
Transcript: ENSMUST00000041674
AA Change: L9P

PolyPhen 2 Score 0.000 (Sensitivity: 1.00; Specificity: 0.00)
SMART Domains Protein: ENSMUSP00000041013
Gene: ENSMUSG00000000706
AA Change: L9P

DomainStartEndE-ValueType
low complexity region 8 24 N/A INTRINSIC
IGv 46 127 1.97e-11 SMART
IG_like 150 237 9.03e1 SMART
transmembrane domain 246 268 N/A INTRINSIC
PRY 303 355 2.64e-27 SMART
SPRY 356 477 1.46e-39 SMART
Predicted Effect probably benign
Transcript: ENSMUST00000110434
AA Change: L9P

PolyPhen 2 Score 0.000 (Sensitivity: 1.00; Specificity: 0.00)
SMART Domains Protein: ENSMUSP00000106064
Gene: ENSMUSG00000000706
AA Change: L9P

DomainStartEndE-ValueType
low complexity region 8 24 N/A INTRINSIC
IGv 46 127 1.97e-11 SMART
Predicted Effect noncoding transcript
Transcript: ENSMUST00000225831
Meta Mutation Damage Score 0.2868 question?
Coding Region Coverage
  • 1x: 99.2%
  • 3x: 98.6%
  • 10x: 97.4%
  • 20x: 95.8%
Validation Efficiency 98% (48/49)
MGI Phenotype FUNCTION: [Summary is not available for the mouse gene. This summary is for the human ortholog.] Butyrophilin is the major protein associated with fat droplets in the milk. It is a member of the immunoglobulin superfamily. It may have a cell surface receptor function. The human butyrophilin gene is localized in the major histocompatibility complex (MHC) class I region of 6p and may have arisen relatively recently in evolution by the shuffling of exons between 2 ancestral gene families [provided by RefSeq, Jul 2008]
PHENOTYPE: Homozygous null mice display impaired lactation and abnormal lipid accumulation in the mammary gland. [provided by MGI curators]
Allele List at MGI
Other mutations in this stock
Total: 43 list
GeneRefVarChr/LocMutationPredicted EffectZygosity
Acot7 T C 4: 152,302,250 (GRCm39) C121R probably damaging Het
Ampd1 T A 3: 103,002,157 (GRCm39) M546K probably damaging Het
Birc2 T A 9: 7,849,684 (GRCm39) D535V possibly damaging Het
Cmip A T 8: 118,183,656 (GRCm39) N743I probably damaging Het
Col4a2 C T 8: 11,479,391 (GRCm39) P758L probably benign Het
Ddx50 A T 10: 62,476,549 (GRCm39) Y241* probably null Het
Elk3 A G 10: 93,101,197 (GRCm39) probably null Het
Fbn1 T C 2: 125,205,872 (GRCm39) T1042A possibly damaging Het
Gm5445 A G 13: 12,393,527 (GRCm39) noncoding transcript Het
Gnat3 T C 5: 18,208,862 (GRCm39) F189L probably damaging Het
Hectd1 T C 12: 51,837,008 (GRCm39) T815A probably damaging Het
Hmcn1 A C 1: 150,471,750 (GRCm39) probably null Het
Hrc A G 7: 44,986,181 (GRCm39) D444G probably benign Het
Ighv1-53 T A 12: 115,122,166 (GRCm39) I70F possibly damaging Het
Kat7 A G 11: 95,171,298 (GRCm39) F469L probably damaging Het
Klk14 G A 7: 43,341,501 (GRCm39) C51Y probably damaging Het
Krt81 T A 15: 101,359,193 (GRCm39) M242L probably benign Het
Krtap6-1 A G 16: 88,828,584 (GRCm39) probably null Het
Man2c1 A G 9: 57,045,310 (GRCm39) D473G probably benign Het
Mthfr-ps1 T C 5: 78,622,436 (GRCm39) noncoding transcript Het
Nop53 A T 7: 15,676,244 (GRCm39) W152R probably benign Het
Or5p58 A T 7: 107,694,591 (GRCm39) M62K probably damaging Het
Or6y1 T A 1: 174,277,162 (GRCm39) S324R unknown Het
Or8s8 A G 15: 98,354,878 (GRCm39) E229G probably benign Het
Pcdh1 A T 18: 38,331,358 (GRCm39) N548K probably damaging Het
Pcdhga12 A G 18: 37,899,467 (GRCm39) I100V probably benign Het
Piezo2 T C 18: 63,183,675 (GRCm39) H1743R probably benign Het
Pkdrej A G 15: 85,700,515 (GRCm39) V1807A probably benign Het
Rabl2 T C 15: 89,474,582 (GRCm39) M1V probably null Het
Rexo5 A G 7: 119,426,621 (GRCm39) probably benign Het
Rfng C G 11: 120,674,772 (GRCm39) G73R probably benign Het
Rps6ka4 A G 19: 6,809,188 (GRCm39) L459P possibly damaging Het
Samd11 T A 4: 156,332,203 (GRCm39) D536V probably damaging Het
Slc9a5 A G 8: 106,084,032 (GRCm39) T451A possibly damaging Het
Snapc1 T A 12: 74,029,265 (GRCm39) N349K probably benign Het
Sox1ot A G 8: 12,480,544 (GRCm39) noncoding transcript Het
Tmem178 C T 17: 81,252,232 (GRCm39) H39Y possibly damaging Het
Trav8n-2 A T 14: 53,583,875 (GRCm39) T111S possibly damaging Het
Ttn T A 2: 76,703,103 (GRCm39) probably benign Het
Ttn T C 2: 76,762,909 (GRCm39) D3250G probably damaging Het
Ube2nl T A 7: 61,199,380 (GRCm39) noncoding transcript Het
Vps25 T C 11: 101,144,918 (GRCm39) S39P probably damaging Het
Zkscan14 G A 5: 145,132,985 (GRCm39) T182I possibly damaging Het
Other mutations in Btn1a1
AlleleSourceChrCoordTypePredicted EffectPPH Score
IGL01160:Btn1a1 APN 13 23,645,907 (GRCm39) missense possibly damaging 0.56
IGL01608:Btn1a1 APN 13 23,645,778 (GRCm39) missense probably benign 0.00
IGL02538:Btn1a1 APN 13 23,643,385 (GRCm39) missense possibly damaging 0.50
IGL02795:Btn1a1 APN 13 23,644,786 (GRCm39) critical splice acceptor site probably null
IGL02933:Btn1a1 APN 13 23,644,697 (GRCm39) missense possibly damaging 0.63
R0063:Btn1a1 UTSW 13 23,649,267 (GRCm39) splice site probably null
R0855:Btn1a1 UTSW 13 23,648,489 (GRCm39) missense probably damaging 1.00
R1754:Btn1a1 UTSW 13 23,644,638 (GRCm39) missense probably benign 0.01
R2122:Btn1a1 UTSW 13 23,645,691 (GRCm39) missense probably damaging 1.00
R3110:Btn1a1 UTSW 13 23,645,721 (GRCm39) missense possibly damaging 0.67
R3112:Btn1a1 UTSW 13 23,645,721 (GRCm39) missense possibly damaging 0.67
R3941:Btn1a1 UTSW 13 23,643,434 (GRCm39) missense probably benign 0.01
R4924:Btn1a1 UTSW 13 23,648,396 (GRCm39) splice site probably benign
R4927:Btn1a1 UTSW 13 23,644,794 (GRCm39) splice site probably null
R5255:Btn1a1 UTSW 13 23,648,324 (GRCm39) intron probably benign
R5554:Btn1a1 UTSW 13 23,643,295 (GRCm39) missense possibly damaging 0.55
R5726:Btn1a1 UTSW 13 23,643,522 (GRCm39) missense probably damaging 1.00
R6228:Btn1a1 UTSW 13 23,648,521 (GRCm39) missense probably damaging 0.98
R6664:Btn1a1 UTSW 13 23,643,490 (GRCm39) missense probably benign 0.00
R7117:Btn1a1 UTSW 13 23,643,415 (GRCm39) missense possibly damaging 0.91
R7150:Btn1a1 UTSW 13 23,643,521 (GRCm39) missense probably damaging 1.00
R7151:Btn1a1 UTSW 13 23,643,483 (GRCm39) missense probably damaging 1.00
R7396:Btn1a1 UTSW 13 23,645,668 (GRCm39) missense probably benign 0.01
R7504:Btn1a1 UTSW 13 23,645,886 (GRCm39) missense probably benign 0.10
R7874:Btn1a1 UTSW 13 23,643,385 (GRCm39) missense possibly damaging 0.50
R7878:Btn1a1 UTSW 13 23,643,214 (GRCm39) missense possibly damaging 0.86
R8271:Btn1a1 UTSW 13 23,645,919 (GRCm39) missense probably benign
R8354:Btn1a1 UTSW 13 23,648,420 (GRCm39) missense probably benign 0.00
R8454:Btn1a1 UTSW 13 23,648,420 (GRCm39) missense probably benign 0.00
R8960:Btn1a1 UTSW 13 23,648,741 (GRCm39) missense possibly damaging 0.95
Predicted Primers PCR Primer
(F):5'- GAACTCACTGGATTGTGGTGAAG -3'
(R):5'- ATCTACAACTGTGCCTCGC -3'

Sequencing Primer
(F):5'- ATTGTGGTGAAGGTCCCCC -3'
(R):5'- TCCATTCTGGAGGCAGTCGAG -3'
Posted On 2015-06-12