Incidental Mutation 'R5632:Psmb8'
ID 439947
Institutional Source Beutler Lab
Gene Symbol Psmb8
Ensembl Gene ENSMUSG00000024338
Gene Name proteasome (prosome, macropain) subunit, beta type 8 (large multifunctional peptidase 7)
Synonyms Lmp-7, Lmp7
MMRRC Submission 043283-MU
Accession Numbers
Essential gene? Non essential (E-score: 0.000) question?
Stock # R5632 (G1)
Quality Score 225
Status Not validated
Chromosome 17
Chromosomal Location 34417169-34420428 bp(+) (GRCm39)
Type of Mutation missense
DNA Base Change (assembly) T to C at 34420214 bp (GRCm39)
Zygosity Heterozygous
Amino Acid Change Tyrosine to Histidine at position 269 (Y269H)
Ref Sequence ENSEMBL: ENSMUSP00000025196 (fasta)
Gene Model predicted gene model for transcript(s): [ENSMUST00000025196] [ENSMUST00000025197] [ENSMUST00000041633] [ENSMUST00000131105] [ENSMUST00000138491] [ENSMUST00000170086] [ENSMUST00000173441]
AlphaFold P28063
PDB Structure Mouse 20S immunoproteasome in complex with PR-957 [X-RAY DIFFRACTION]
Mouse 20S immunoproteasome [X-RAY DIFFRACTION]
Predicted Effect probably benign
Transcript: ENSMUST00000025196
AA Change: Y269H

PolyPhen 2 Score 0.000 (Sensitivity: 1.00; Specificity: 0.00)
SMART Domains Protein: ENSMUSP00000025196
Gene: ENSMUSG00000024338
AA Change: Y269H

DomainStartEndE-ValueType
Pfam:Proteasome 69 251 1.9e-49 PFAM
Predicted Effect probably benign
Transcript: ENSMUST00000025197
SMART Domains Protein: ENSMUSP00000025197
Gene: ENSMUSG00000024339

DomainStartEndE-ValueType
signal peptide 1 28 N/A INTRINSIC
transmembrane domain 55 77 N/A INTRINSIC
transmembrane domain 97 119 N/A INTRINSIC
Pfam:ABC_membrane 151 419 1.8e-62 PFAM
AAA 494 678 2.58e-19 SMART
Predicted Effect probably benign
Transcript: ENSMUST00000041633
SMART Domains Protein: ENSMUSP00000039264
Gene: ENSMUSG00000037321

DomainStartEndE-ValueType
transmembrane domain 5 27 N/A INTRINSIC
transmembrane domain 37 59 N/A INTRINSIC
transmembrane domain 66 88 N/A INTRINSIC
transmembrane domain 116 138 N/A INTRINSIC
Pfam:ABC_membrane 163 420 9.1e-55 PFAM
AAA 478 666 2.21e-18 SMART
Predicted Effect noncoding transcript
Transcript: ENSMUST00000127543
Predicted Effect probably benign
Transcript: ENSMUST00000131105
SMART Domains Protein: ENSMUSP00000118700
Gene: ENSMUSG00000024339

DomainStartEndE-ValueType
signal peptide 1 28 N/A INTRINSIC
transmembrane domain 57 79 N/A INTRINSIC
Predicted Effect probably benign
Transcript: ENSMUST00000138491
Predicted Effect noncoding transcript
Transcript: ENSMUST00000166582
Predicted Effect noncoding transcript
Transcript: ENSMUST00000172796
Predicted Effect noncoding transcript
Transcript: ENSMUST00000166853
Predicted Effect noncoding transcript
Transcript: ENSMUST00000172960
Predicted Effect noncoding transcript
Transcript: ENSMUST00000168351
Predicted Effect noncoding transcript
Transcript: ENSMUST00000173770
Predicted Effect probably benign
Transcript: ENSMUST00000170086
SMART Domains Protein: ENSMUSP00000128401
Gene: ENSMUSG00000037321

DomainStartEndE-ValueType
transmembrane domain 5 27 N/A INTRINSIC
transmembrane domain 37 59 N/A INTRINSIC
transmembrane domain 66 88 N/A INTRINSIC
transmembrane domain 116 138 N/A INTRINSIC
Pfam:ABC_membrane 163 434 5.8e-70 PFAM
AAA 506 694 2.21e-18 SMART
Predicted Effect probably benign
Transcript: ENSMUST00000173441
SMART Domains Protein: ENSMUSP00000134664
Gene: ENSMUSG00000024338

DomainStartEndE-ValueType
Pfam:Proteasome 69 248 6.3e-53 PFAM
Coding Region Coverage
  • 1x: 99.3%
  • 3x: 98.7%
  • 10x: 97.3%
  • 20x: 95.4%
Validation Efficiency
MGI Phenotype FUNCTION: [Summary is not available for the mouse gene. This summary is for the human ortholog.] The proteasome is a multicatalytic proteinase complex with a highly ordered ring-shaped 20S core structure. The core structure is composed of 4 rings of 28 non-identical subunits; 2 rings are composed of 7 alpha subunits and 2 rings are composed of 7 beta subunits. Proteasomes are distributed throughout eukaryotic cells at a high concentration and cleave peptides in an ATP/ubiquitin-dependent process in a non-lysosomal pathway. An essential function of a modified proteasome, the immunoproteasome, is the processing of class I MHC peptides. This gene encodes a member of the proteasome B-type family, also known as the T1B family, that is a 20S core beta subunit. This gene is located in the class II region of the MHC (major histocompatibility complex). Expression of this gene is induced by gamma interferon and this gene product replaces catalytic subunit 3 (proteasome beta 5 subunit) in the immunoproteasome. Proteolytic processing is required to generate a mature subunit. Two alternative transcripts encoding two isoforms have been identified; both isoforms are processed to yield the same mature subunit. [provided by RefSeq, Jul 2008]
PHENOTYPE: Mice homozygous for disruptions in this gene display an essentially normal phenotype. However they have a reduced ability to process MHC class I restricted antigens. [provided by MGI curators]
Allele List at MGI
Other mutations in this stock
Total: 60 list
GeneRefVarChr/LocMutationPredicted EffectZygosity
Abcd4 T C 12: 84,664,076 (GRCm39) T7A probably benign Het
Adam33 T G 2: 130,895,362 (GRCm39) D619A probably damaging Het
Ajm1 T C 2: 25,469,276 (GRCm39) T212A probably benign Het
Aldh3b3 C T 19: 4,018,522 (GRCm39) probably benign Het
Arhgef15 G A 11: 68,844,877 (GRCm39) P240L probably benign Het
Arhgef40 C A 14: 52,231,795 (GRCm39) T727K probably damaging Het
Arrdc1 T C 2: 24,817,840 (GRCm39) T43A probably benign Het
Bcl2l15 A G 3: 103,743,378 (GRCm39) N93S probably benign Het
Cd5l G T 3: 87,273,414 (GRCm39) E128* probably null Het
Cep97 T C 16: 55,735,946 (GRCm39) D284G probably benign Het
Ckmt1 T A 2: 121,191,073 (GRCm39) S162T probably damaging Het
Clock G A 5: 76,378,185 (GRCm39) P572S probably benign Het
Cpeb4 A G 11: 31,839,877 (GRCm39) D53G probably damaging Het
Crocc2 T A 1: 93,145,575 (GRCm39) S1485R probably damaging Het
Dcaf5 G A 12: 80,444,526 (GRCm39) A189V probably damaging Het
Duox2 C T 2: 122,111,936 (GRCm39) G1355S probably damaging Het
Fam120b C T 17: 15,623,344 (GRCm39) P441S probably benign Het
Fbxo41 A G 6: 85,461,486 (GRCm39) L74P probably damaging Het
H2-DMa A G 17: 34,356,975 (GRCm39) T158A probably benign Het
Hcar2 T A 5: 124,002,532 (GRCm39) T324S probably benign Het
Hif3a T C 7: 16,784,580 (GRCm39) I222V possibly damaging Het
Ighv1-7 A G 12: 114,502,501 (GRCm39) probably benign Het
Il20 T C 1: 130,835,165 (GRCm39) E151G probably benign Het
Jarid2 A G 13: 45,049,766 (GRCm39) E236G probably damaging Het
Knl1 T C 2: 118,900,833 (GRCm39) S845P probably damaging Het
Lamc2 T C 1: 153,007,636 (GRCm39) Y846C probably damaging Het
Lrp5 A G 19: 3,672,512 (GRCm39) V599A probably benign Het
Lrrc8b T A 5: 105,628,163 (GRCm39) S170T possibly damaging Het
Mex3d T C 10: 80,218,428 (GRCm39) K263R probably damaging Het
Mtor A G 4: 148,553,463 (GRCm39) K784E possibly damaging Het
Naip5 C A 13: 100,367,170 (GRCm39) probably null Het
Ncor1 T C 11: 62,229,060 (GRCm39) T609A possibly damaging Het
Ndufs1 C T 1: 63,189,218 (GRCm39) A536T probably benign Het
Neto1 A G 18: 86,516,768 (GRCm39) I362V probably benign Het
Nfatc3 T C 8: 106,805,689 (GRCm39) L178P probably damaging Het
Npdc1 G A 2: 25,298,957 (GRCm39) D284N probably damaging Het
Nsd3 C T 8: 26,169,985 (GRCm39) T707M probably benign Het
Or51f2 A C 7: 102,527,004 (GRCm39) S226R probably benign Het
Or5w1b A T 2: 87,475,573 (GRCm39) V298E probably damaging Het
Or9g19 T C 2: 85,600,613 (GRCm39) V156A probably benign Het
Pcnx1 T A 12: 81,964,504 (GRCm39) S224T probably damaging Het
Peak1 T C 9: 56,165,058 (GRCm39) T957A probably damaging Het
Pex7 A T 10: 19,764,483 (GRCm39) D153E probably damaging Het
Plscr1 A G 9: 92,148,477 (GRCm39) E139G probably damaging Het
Rmc1 T C 18: 12,304,640 (GRCm39) F72L possibly damaging Het
Secisbp2l C T 2: 125,582,657 (GRCm39) G933D possibly damaging Het
Sft2d2 T C 1: 165,012,657 (GRCm39) T80A probably damaging Het
Slc12a5 A G 2: 164,829,141 (GRCm39) I583M possibly damaging Het
Slc23a4 T C 6: 34,933,957 (GRCm39) M49V probably benign Het
Smarcb1 G A 10: 75,740,252 (GRCm39) Q309* probably null Het
Sphkap A T 1: 83,256,006 (GRCm39) V294E probably benign Het
Stoml1 C A 9: 58,160,653 (GRCm39) P35Q probably damaging Het
Timm10b G C 7: 105,290,329 (GRCm39) R42P probably damaging Het
Tnfrsf8 A T 4: 145,019,203 (GRCm39) S211T possibly damaging Het
Ttn T C 2: 76,536,164 (GRCm39) T26738A probably damaging Het
Vps13d A T 4: 144,801,452 (GRCm39) Y474N probably damaging Het
Wdr81 A T 11: 75,336,732 (GRCm39) F1552L probably damaging Het
Wee1 TCCCC TCCC 7: 109,723,776 (GRCm39) probably null Het
Wnt7a A C 6: 91,371,637 (GRCm39) Y108* probably null Het
Zfp512b C T 2: 181,227,461 (GRCm39) R56K probably benign Het
Other mutations in Psmb8
AlleleSourceChrCoordTypePredicted EffectPPH Score
IGL00817:Psmb8 APN 17 34,419,703 (GRCm39) missense probably damaging 0.97
IGL01153:Psmb8 APN 17 34,420,215 (GRCm39) missense possibly damaging 0.82
IGL01307:Psmb8 APN 17 34,418,210 (GRCm39) missense probably benign
IGL01394:Psmb8 APN 17 34,419,703 (GRCm39) missense probably damaging 1.00
IGL01821:Psmb8 APN 17 34,417,517 (GRCm39) missense probably benign
IGL01936:Psmb8 APN 17 34,419,168 (GRCm39) missense probably damaging 1.00
IGL02118:Psmb8 APN 17 34,420,198 (GRCm39) missense probably damaging 0.98
IGL02708:Psmb8 APN 17 34,420,217 (GRCm39) missense probably benign 0.00
IGL02739:Psmb8 APN 17 34,419,728 (GRCm39) nonsense probably null
R1952:Psmb8 UTSW 17 34,419,884 (GRCm39) missense probably damaging 1.00
R2869:Psmb8 UTSW 17 34,419,144 (GRCm39) missense probably damaging 0.98
R2869:Psmb8 UTSW 17 34,419,144 (GRCm39) missense probably damaging 0.98
R2870:Psmb8 UTSW 17 34,419,144 (GRCm39) missense probably damaging 0.98
R2870:Psmb8 UTSW 17 34,419,144 (GRCm39) missense probably damaging 0.98
R2871:Psmb8 UTSW 17 34,419,144 (GRCm39) missense probably damaging 0.98
R2871:Psmb8 UTSW 17 34,419,144 (GRCm39) missense probably damaging 0.98
R2873:Psmb8 UTSW 17 34,419,144 (GRCm39) missense probably damaging 0.98
R2874:Psmb8 UTSW 17 34,419,144 (GRCm39) missense probably damaging 0.98
R6395:Psmb8 UTSW 17 34,418,265 (GRCm39) missense possibly damaging 0.86
R6993:Psmb8 UTSW 17 34,418,617 (GRCm39) missense probably damaging 1.00
R7645:Psmb8 UTSW 17 34,419,186 (GRCm39) missense possibly damaging 0.76
R7672:Psmb8 UTSW 17 34,417,404 (GRCm39) missense probably benign 0.06
R8804:Psmb8 UTSW 17 34,419,225 (GRCm39) missense probably damaging 1.00
R9492:Psmb8 UTSW 17 34,417,435 (GRCm39) missense probably benign 0.00
Z1176:Psmb8 UTSW 17 34,419,830 (GRCm39) missense probably benign 0.00
Predicted Primers PCR Primer
(F):5'- AGCTTAGATTGGGAGCCTCG -3'
(R):5'- ACTTAGAAGGTATCTGTGAGTGCG -3'

Sequencing Primer
(F):5'- GTTCCAGACAAAGGCTTTCAGTG -3'
(R):5'- ATCTGTGAGTGCGGGGGC -3'
Posted On 2016-11-08