Incidental Mutation 'D605:Ly75'
ID 572
Institutional Source Beutler Lab
Gene Symbol Ly75
Ensembl Gene ENSMUSG00000026980
Gene Name lymphocyte antigen 75
Synonyms DEC-205, CD205
Accession Numbers
Essential gene? Non essential (E-score: 0.000) question?
Stock # D605 (G1)
Quality Score
Status Validated
Chromosome 2
Chromosomal Location 60122447-60213617 bp(-) (GRCm39)
Type of Mutation critical splice donor site (2 bp from exon)
DNA Base Change (assembly) A to G at 60182696 bp (GRCm39)
Zygosity Heterozygous
Amino Acid Change
Ref Sequence ENSEMBL: ENSMUSP00000108152 (fasta)
Gene Model predicted gene model for transcript(s): [ENSMUST00000028362] [ENSMUST00000112533]
AlphaFold Q60767
Predicted Effect probably null
Transcript: ENSMUST00000028362
SMART Domains Protein: ENSMUSP00000028362
Gene: ENSMUSG00000026980

DomainStartEndE-ValueType
signal peptide 1 27 N/A INTRINSIC
RICIN 33 146 2.63e-17 SMART
FN2 162 209 1.22e-23 SMART
CLECT 216 341 7.36e-32 SMART
CLECT 361 486 9.28e-29 SMART
CLECT 501 624 1.11e-17 SMART
CLECT 643 791 1.93e-26 SMART
CLECT 811 932 7.94e-2 SMART
CLECT 952 1091 5.81e-21 SMART
CLECT 1104 1222 1.04e-22 SMART
CLECT 1240 1382 3.48e-10 SMART
CLECT 1395 1513 9.59e-22 SMART
CLECT 1530 1661 7.79e-22 SMART
transmembrane domain 1670 1692 N/A INTRINSIC
Predicted Effect probably null
Transcript: ENSMUST00000112533
SMART Domains Protein: ENSMUSP00000108152
Gene: ENSMUSG00000026980

DomainStartEndE-ValueType
signal peptide 1 27 N/A INTRINSIC
RICIN 33 146 2.63e-17 SMART
FN2 162 209 1.22e-23 SMART
CLECT 216 341 7.36e-32 SMART
CLECT 361 486 9.28e-29 SMART
CLECT 501 624 1.11e-17 SMART
CLECT 643 791 1.93e-26 SMART
CLECT 811 932 7.94e-2 SMART
CLECT 952 1091 5.81e-21 SMART
CLECT 1104 1222 1.04e-22 SMART
CLECT 1240 1382 3.48e-10 SMART
CLECT 1395 1513 9.59e-22 SMART
CLECT 1530 1661 7.79e-22 SMART
transmembrane domain 1670 1692 N/A INTRINSIC
Predicted Effect noncoding transcript
Transcript: ENSMUST00000124654
Predicted Effect noncoding transcript
Transcript: ENSMUST00000151984
Meta Mutation Damage Score 0.9582 question?
Coding Region Coverage
  • 1x: 75.6%
  • 3x: 45.1%
Het Detection Efficiency 20.0%
Validation Efficiency 89% (63/71)
MGI Phenotype PHENOTYPE: Mice homozygous for a knock-out allele display abnormalities in CD8-positive T cell morphology and cytotoxic T cell physiology. [provided by MGI curators]
Allele List at MGI

All alleles(7) : Targeted, knock-out(1) Targeted, other(1) Gene trapped(5)

Other mutations in this stock
Total: 4 list
GeneRefVarChr/LocMutationPredicted EffectZygosity
C2cd5 C T 6: 142,975,386 (GRCm39) V787I probably benign Het
Kat2b A G 17: 53,936,358 (GRCm39) R99G probably damaging Het
Or5b118 T A 19: 13,448,521 (GRCm39) C62* probably null Het
Sfmbt2 C T 2: 10,584,136 (GRCm39) T864I probably benign Het
Other mutations in Ly75
AlleleSourceChrCoordTypePredicted EffectPPH Score
IGL00561:Ly75 APN 2 60,206,421 (GRCm39) missense probably damaging 1.00
IGL01072:Ly75 APN 2 60,184,840 (GRCm39) missense probably damaging 1.00
IGL01409:Ly75 APN 2 60,152,036 (GRCm39) splice site probably null
IGL01432:Ly75 APN 2 60,206,351 (GRCm39) missense probably damaging 1.00
IGL01626:Ly75 APN 2 60,131,359 (GRCm39) missense probably benign 0.13
IGL01690:Ly75 APN 2 60,168,655 (GRCm39) missense probably damaging 1.00
IGL01862:Ly75 APN 2 60,129,516 (GRCm39) missense probably damaging 1.00
IGL01982:Ly75 APN 2 60,142,108 (GRCm39) missense probably damaging 1.00
IGL02075:Ly75 APN 2 60,182,700 (GRCm39) missense probably damaging 0.99
IGL02338:Ly75 APN 2 60,184,796 (GRCm39) missense probably benign 0.04
IGL02364:Ly75 APN 2 60,188,851 (GRCm39) missense probably damaging 1.00
IGL02456:Ly75 APN 2 60,124,125 (GRCm39) missense probably benign 0.09
IGL02474:Ly75 APN 2 60,213,526 (GRCm39) missense probably null 1.00
IGL02608:Ly75 APN 2 60,152,244 (GRCm39) missense probably benign 0.41
IGL02986:Ly75 APN 2 60,138,535 (GRCm39) missense probably damaging 1.00
IGL03015:Ly75 APN 2 60,206,504 (GRCm39) missense probably damaging 1.00
IGL03049:Ly75 APN 2 60,182,414 (GRCm39) missense probably damaging 0.99
euphues UTSW 2 60,129,389 (GRCm39) critical splice donor site probably null
four_score UTSW 2 60,142,115 (GRCm39) missense possibly damaging 0.75
lyly UTSW 2 60,158,217 (GRCm39) missense possibly damaging 0.49
Witty UTSW 2 60,184,844 (GRCm39) missense probably damaging 1.00
R0046:Ly75 UTSW 2 60,169,801 (GRCm39) intron probably benign
R0055:Ly75 UTSW 2 60,152,262 (GRCm39) missense probably benign 0.01
R0055:Ly75 UTSW 2 60,152,262 (GRCm39) missense probably benign 0.01
R0071:Ly75 UTSW 2 60,152,163 (GRCm39) missense probably benign 0.01
R0071:Ly75 UTSW 2 60,152,163 (GRCm39) missense probably benign 0.01
R0285:Ly75 UTSW 2 60,148,663 (GRCm39) missense probably damaging 1.00
R0387:Ly75 UTSW 2 60,136,748 (GRCm39) missense probably benign 0.20
R0492:Ly75 UTSW 2 60,138,620 (GRCm39) missense probably damaging 1.00
R0688:Ly75 UTSW 2 60,146,565 (GRCm39) missense probably benign 0.41
R1367:Ly75 UTSW 2 60,124,102 (GRCm39) splice site probably null
R1463:Ly75 UTSW 2 60,199,101 (GRCm39) critical splice donor site probably null
R1581:Ly75 UTSW 2 60,158,237 (GRCm39) missense probably damaging 1.00
R1663:Ly75 UTSW 2 60,144,578 (GRCm39) missense probably damaging 1.00
R1818:Ly75 UTSW 2 60,142,121 (GRCm39) missense probably damaging 1.00
R1881:Ly75 UTSW 2 60,180,284 (GRCm39) missense probably benign 0.00
R2244:Ly75 UTSW 2 60,180,257 (GRCm39) missense probably benign 0.01
R2905:Ly75 UTSW 2 60,164,898 (GRCm39) missense probably benign 0.00
R3967:Ly75 UTSW 2 60,158,217 (GRCm39) missense possibly damaging 0.49
R3968:Ly75 UTSW 2 60,158,217 (GRCm39) missense possibly damaging 0.49
R4039:Ly75 UTSW 2 60,183,339 (GRCm39) missense probably damaging 1.00
R4406:Ly75 UTSW 2 60,184,894 (GRCm39) missense probably damaging 1.00
R4526:Ly75 UTSW 2 60,161,117 (GRCm39) missense probably benign 0.09
R4647:Ly75 UTSW 2 60,138,622 (GRCm39) missense probably damaging 1.00
R4795:Ly75 UTSW 2 60,180,284 (GRCm39) missense probably benign 0.00
R4796:Ly75 UTSW 2 60,180,284 (GRCm39) missense probably benign 0.00
R4962:Ly75 UTSW 2 60,182,469 (GRCm39) missense probably damaging 1.00
R4979:Ly75 UTSW 2 60,206,238 (GRCm39) missense probably damaging 1.00
R5072:Ly75 UTSW 2 60,206,307 (GRCm39) missense probably damaging 1.00
R5288:Ly75 UTSW 2 60,133,985 (GRCm39) missense probably damaging 1.00
R5373:Ly75 UTSW 2 60,142,115 (GRCm39) missense possibly damaging 0.75
R5374:Ly75 UTSW 2 60,142,115 (GRCm39) missense possibly damaging 0.75
R5384:Ly75 UTSW 2 60,164,831 (GRCm39) nonsense probably null
R5385:Ly75 UTSW 2 60,133,985 (GRCm39) missense probably damaging 1.00
R5395:Ly75 UTSW 2 60,195,455 (GRCm39) missense probably benign 0.41
R5531:Ly75 UTSW 2 60,195,489 (GRCm39) missense probably damaging 0.98
R5662:Ly75 UTSW 2 60,182,725 (GRCm39) missense probably damaging 1.00
R5667:Ly75 UTSW 2 60,138,655 (GRCm39) missense probably damaging 1.00
R5668:Ly75 UTSW 2 60,184,844 (GRCm39) missense probably damaging 1.00
R5671:Ly75 UTSW 2 60,138,655 (GRCm39) missense probably damaging 1.00
R5677:Ly75 UTSW 2 60,129,426 (GRCm39) missense probably benign 0.00
R5764:Ly75 UTSW 2 60,148,783 (GRCm39) missense probably benign
R5896:Ly75 UTSW 2 60,213,490 (GRCm39) missense probably benign
R6025:Ly75 UTSW 2 60,206,306 (GRCm39) missense probably damaging 1.00
R6113:Ly75 UTSW 2 60,199,217 (GRCm39) missense probably benign 0.04
R6448:Ly75 UTSW 2 60,129,389 (GRCm39) critical splice donor site probably null
R6601:Ly75 UTSW 2 60,148,720 (GRCm39) missense probably benign 0.11
R6745:Ly75 UTSW 2 60,138,523 (GRCm39) missense probably damaging 1.00
R6955:Ly75 UTSW 2 60,158,217 (GRCm39) missense possibly damaging 0.49
R6960:Ly75 UTSW 2 60,136,749 (GRCm39) missense probably benign
R7100:Ly75 UTSW 2 60,136,778 (GRCm39) missense probably benign
R7110:Ly75 UTSW 2 60,206,528 (GRCm39) missense probably benign 0.31
R7203:Ly75 UTSW 2 60,154,196 (GRCm39) nonsense probably null
R7291:Ly75 UTSW 2 60,160,337 (GRCm39) missense probably damaging 0.98
R7308:Ly75 UTSW 2 60,164,859 (GRCm39) missense probably benign 0.04
R7447:Ly75 UTSW 2 60,164,818 (GRCm39) nonsense probably null
R7512:Ly75 UTSW 2 60,164,907 (GRCm39) missense probably damaging 1.00
R7595:Ly75 UTSW 2 60,124,171 (GRCm39) missense probably benign 0.01
R7976:Ly75 UTSW 2 60,195,432 (GRCm39) missense probably damaging 1.00
R8005:Ly75 UTSW 2 60,163,278 (GRCm39) missense probably damaging 1.00
R8171:Ly75 UTSW 2 60,144,572 (GRCm39) missense possibly damaging 0.51
R8392:Ly75 UTSW 2 60,180,284 (GRCm39) missense probably benign 0.00
R8705:Ly75 UTSW 2 60,148,729 (GRCm39) missense probably damaging 0.98
R8714:Ly75 UTSW 2 60,164,829 (GRCm39) missense probably damaging 1.00
R8798:Ly75 UTSW 2 60,154,270 (GRCm39) missense probably benign 0.32
R8799:Ly75 UTSW 2 60,178,785 (GRCm39) missense probably damaging 1.00
R8834:Ly75 UTSW 2 60,161,433 (GRCm39) missense probably benign
R8990:Ly75 UTSW 2 60,188,903 (GRCm39) missense probably benign 0.10
R9015:Ly75 UTSW 2 60,146,442 (GRCm39) missense probably benign
R9547:Ly75 UTSW 2 60,161,069 (GRCm39) critical splice donor site probably null
R9628:Ly75 UTSW 2 60,158,285 (GRCm39) missense probably damaging 1.00
R9659:Ly75 UTSW 2 60,168,665 (GRCm39) missense probably damaging 1.00
R9660:Ly75 UTSW 2 60,154,184 (GRCm39) missense probably damaging 1.00
R9747:Ly75 UTSW 2 60,136,672 (GRCm39) critical splice donor site probably null
X0025:Ly75 UTSW 2 60,184,819 (GRCm39) missense probably damaging 1.00
Z1177:Ly75 UTSW 2 60,182,477 (GRCm39) missense possibly damaging 0.65
Z1177:Ly75 UTSW 2 60,180,348 (GRCm39) nonsense probably null
Nature of Mutation

DNA sequencing using the SOLiD technique identified a T to C transition at position 30880 of the genomic DNA sequence of Ly75 (NC_000068.6, sense strand).  Multiple transcripts are annotated in the Ensembl database.  The mutation lies in the splice donor site of intron 10 of the 35 exon gene, and affects a thymine base two nucleotides from the previous exon.  The mutation has been confirmed by DNA sequencing using the Sanger method (see trace file).

Protein Function and Prediction

The 1723 amino acid Ly75 protein acts as an endocytic receptor to direct captured antigens from the extracellular space to a specialized antigen-processing compartment (Uniprot Q60767).  Receptor activation causes reduced proliferation of B lymphocytes.  Ly75 is a single pass type I transmembrane protein expressed in dendritic and thymic epithelial cells and lymph nodes.  It contains in its N-terminal extracellular domain a ricin B-type lectin domain, a fibronectin type-II domain, and nine C-type lectin domains.  A null mutation of Ly75 in mice results in a failure of cytotoxic lymphocytes to respond to immunization with foreign splenocytes.

Posted On 2010-11-29