Incidental Mutation 'U24488:Chmp1b'
ID 509910
Institutional Source Beutler Lab
Gene Symbol Chmp1b
Ensembl Gene ENSMUSG00000109901
Gene Name charged multivesicular body protein 1B
Synonyms 2810405I11Rik, chromatin modifying protein 1B
Accession Numbers
Essential gene? Possibly essential (E-score: 0.510) question?
Stock # U24488 (G0')
Quality Score 225.009
Status Not validated
Chromosome 18
Chromosomal Location 67338437-67340960 bp(+) (GRCm39)
Type of Mutation missense
DNA Base Change (assembly) T to A at 67338945 bp (GRCm39)
Zygosity Heterozygous
Amino Acid Change Leucine to Glutamine at position 125 (L125Q)
Ref Sequence ENSEMBL: ENSMUSP00000147285 (fasta)
Gene Model predicted gene model for transcript(s): [ENSMUST00000025402] [ENSMUST00000076605] [ENSMUST00000210564]
AlphaFold Q99LU0
Predicted Effect probably benign
Transcript: ENSMUST00000025402
SMART Domains Protein: ENSMUSP00000025402
Gene: ENSMUSG00000024524

DomainStartEndE-ValueType
low complexity region 32 46 N/A INTRINSIC
G_alpha 89 447 1.18e-172 SMART
Predicted Effect probably benign
Transcript: ENSMUST00000076605
SMART Domains Protein: ENSMUSP00000075908
Gene: ENSMUSG00000024524

DomainStartEndE-ValueType
G_alpha 22 380 5.02e-176 SMART
Predicted Effect noncoding transcript
Transcript: ENSMUST00000209359
Predicted Effect probably damaging
Transcript: ENSMUST00000210564
AA Change: L125Q

PolyPhen 2 Score 0.993 (Sensitivity: 0.70; Specificity: 0.97)
Coding Region Coverage
  • 1x: 99.9%
  • 3x: 99.8%
  • 10x: 99.3%
  • 20x: 98.0%
Validation Efficiency
MGI Phenotype FUNCTION: [Summary is not available for the mouse gene. This summary is for the human ortholog.] CHMP1B belongs to the chromatin-modifying protein/charged multivesicular body protein (CHMP) family. These proteins are components of ESCRT-III (endosomal sorting complex required for transport III), a complex involved in degradation of surface receptor proteins and formation of endocytic multivesicular bodies (MVBs). Some CHMPs have both nuclear and cytoplasmic/vesicular distributions, and one such CHMP, CHMP1A (MIM 164010), is required for both MVB formation and regulation of cell cycle progression (Tsang et al., 2006 [PubMed 16730941]).[supplied by OMIM, Mar 2008]
Allele List at MGI
Other mutations in this stock
Total: 62 list
GeneRefVarChr/LocMutationPredicted EffectZygosity
Ankrd36 A G 11: 5,580,772 (GRCm39) Y922C probably damaging Het
Arhgef40 A G 14: 52,235,673 (GRCm39) T1185A probably benign Het
Atf7ip2 A G 16: 10,022,537 (GRCm39) N72S probably damaging Het
Carmil3 A G 14: 55,734,636 (GRCm39) D455G probably benign Het
Ccdc171 A T 4: 83,579,954 (GRCm39) E567V probably damaging Het
Cnr1 T A 4: 33,944,927 (GRCm39) N438K probably benign Het
Cplane1 G T 15: 8,211,694 (GRCm39) G345C probably damaging Het
Csmd3 G A 15: 47,573,795 (GRCm39) T2091M probably damaging Het
Cyp4a29 A T 4: 115,108,204 (GRCm39) H342L possibly damaging Het
Dnah10 G A 5: 124,891,044 (GRCm39) D3212N probably damaging Het
Dnah2 G A 11: 69,374,648 (GRCm39) T1447I probably damaging Het
F11 A G 8: 45,695,349 (GRCm39) S540P probably benign Het
Fcrl6 T A 1: 172,426,437 (GRCm39) H120L probably damaging Het
Frmd6 T C 12: 70,940,653 (GRCm39) S433P probably damaging Het
Fundc1 G T X: 17,434,342 (GRCm39) A64E probably damaging Het
Garin2 A T 12: 78,761,811 (GRCm39) K158N probably damaging Het
Grid1 A G 14: 35,302,534 (GRCm39) E933G probably benign Het
Haus5 C T 7: 30,358,401 (GRCm39) W298* probably null Het
Hoxb3 C A 11: 96,235,456 (GRCm39) Q128K probably benign Het
Il6st C T 13: 112,631,168 (GRCm39) T369M possibly damaging Het
Itk A C 11: 46,228,971 (GRCm39) M403R probably damaging Het
Katnip A T 7: 125,369,853 (GRCm39) D147V probably damaging Het
Kif2c T C 4: 117,039,639 (GRCm39) Q17R probably benign Het
Kifap3 T C 1: 163,610,604 (GRCm39) I28T possibly damaging Het
Kit A T 5: 75,783,674 (GRCm39) R384* probably null Het
Ksr1 T A 11: 78,938,267 (GRCm39) I42F probably damaging Het
Lhcgr T A 17: 89,079,513 (GRCm39) probably null Het
Lrrc36 C T 8: 106,176,384 (GRCm39) H253Y probably benign Het
Mad1l1 T A 5: 140,300,840 (GRCm39) N19Y probably damaging Het
Marf1 A T 16: 13,950,230 (GRCm39) L1022* probably null Het
Mical3 T G 6: 120,978,457 (GRCm39) Q225P possibly damaging Het
Minar1 C A 9: 89,485,100 (GRCm39) G99V probably damaging Het
Myt1l T A 12: 29,876,895 (GRCm39) M182K unknown Het
Nepro A G 16: 44,554,949 (GRCm39) T342A probably benign Het
Nlrp5 A T 7: 23,117,653 (GRCm39) D459V possibly damaging Het
Nrcam C T 12: 44,584,042 (GRCm39) P39S probably damaging Het
Or2ag1b A T 7: 106,288,296 (GRCm39) I214N probably damaging Het
Ostm1 A G 10: 42,555,227 (GRCm39) D83G possibly damaging Het
Otoa A T 7: 120,717,763 (GRCm39) probably null Het
Pi4ka A G 16: 17,143,040 (GRCm39) I824T probably damaging Het
Plec C T 15: 76,061,930 (GRCm39) R2534H probably benign Het
Plin2 A G 4: 86,580,314 (GRCm39) V60A probably damaging Het
Rps6ka4 A G 19: 6,809,724 (GRCm39) L367P probably damaging Het
Senp7 A G 16: 56,005,182 (GRCm39) N912D probably damaging Het
Slc25a21 G T 12: 56,785,282 (GRCm39) N198K possibly damaging Het
Slc4a10 A G 2: 61,877,002 (GRCm39) D5G probably benign Het
Tex16 T C X: 111,028,815 (GRCm39) V438A probably benign Het
Tmem37 T C 1: 119,995,684 (GRCm39) Y131C probably benign Het
Top2a A C 11: 98,913,252 (GRCm39) M60R probably damaging Het
Ush2a C T 1: 188,162,963 (GRCm39) T1015I probably damaging Het
Vmn1r172 A T 7: 23,359,171 (GRCm39) I19F probably benign Het
Vmn1r230 A C 17: 21,067,014 (GRCm39) I68L probably benign Het
Vmn2r45 A C 7: 8,475,361 (GRCm39) C556G probably damaging Het
Vmn2r54 A G 7: 12,349,356 (GRCm39) I742T possibly damaging Het
Vps13c A G 9: 67,813,198 (GRCm39) K960E probably benign Het
Wdcp T A 12: 4,900,405 (GRCm39) V87E probably damaging Het
Wiz C T 17: 32,606,649 (GRCm39) E29K probably damaging Het
Wnk3 C T X: 149,992,456 (GRCm39) T298I probably damaging Het
Yif1b A C 7: 28,943,594 (GRCm39) Q56P probably benign Het
Zbtb25 A G 12: 76,396,014 (GRCm39) W403R probably benign Het
Zcrb1 A T 15: 93,285,515 (GRCm39) S155R probably damaging Het
Zmym4 A T 4: 126,819,453 (GRCm39) I150K possibly damaging Het
Other mutations in Chmp1b
AlleleSourceChrCoordTypePredicted EffectPPH Score
R6234:Chmp1b UTSW 18 67,339,169 (GRCm39) makesense probably null
Predicted Primers PCR Primer
(F):5'- CATCCGCCAGAAGAATCAAGGG -3'
(R):5'- ACAGTTCATCTTGCTCAGCC -3'

Sequencing Primer
(F):5'- ACTTCTTGAGAATGAGTGCACG -3'
(R):5'- ATCTTGCTCAGCCGAAGC -3'
Posted On 2018-04-02