Incidental Mutation 'R6191:B2m'
ID502539
Institutional Source Beutler Lab
Gene Symbol B2m
Ensembl Gene ENSMUSG00000060802
Gene Namebeta-2 microglobulin
SynonymsLy-m11, beta2-m, beta 2 microglobulin
MMRRC Submission 044331-MU
Accession Numbers
Is this an essential gene? Probably non essential (E-score: 0.126) question?
Stock #R6191 (G1)
Quality Score225.009
Status Validated
Chromosome2
Chromosomal Location122147686-122153083 bp(+) (GRCm38)
Type of Mutationmissense
DNA Base Change (assembly) A to T at 122150915 bp
ZygosityHeterozygous
Amino Acid Change Asparagine to Isoleucine at position 37 (N37I)
Ref Sequence ENSEMBL: ENSMUSP00000099534 (fasta)
Gene Model predicted gene model for transcript(s): [ENSMUST00000028665] [ENSMUST00000102476]
PDB Structure
THE CRYSTAL STRUCTURE OF H-2DD MHC CLASS I IN COMPLEX WITH THE HIV-1 DERIVED PEPTIDE P18-110 [X-RAY DIFFRACTION]
MURINE CD8AA ECTODOMAIN FRAGMENT IN COMPLEX WITH H-2KB/VSV8 [X-RAY DIFFRACTION]
CRYSTAL STRUCTURE OF MURINE CLASS I MHC H2-DB COMPLEXED WITH A SYNTHETIC PEPTIDE P1027 [X-RAY DIFFRACTION]
CD1(MOUSE) ANTIGEN PRESENTING MOLECULE [X-RAY DIFFRACTION]
MHC CLASS I H-2DD HEAVY CHAIN COMPLEXED WITH BETA-2 MICROGLOBULIN AND AN IMMUNODOMINANT PEPTIDE P18-I10 FROM THE HUMAN IMMUNODEFICIENCY VIRUS ENVELOPE GLYCOPROTEIN 120 [X-RAY DIFFRACTION]
CRYSTAL STRUCTURE OF MURINE CLASS I H-2DB COMPLEXED WITH PEPTIDE GP33(C9M) [X-RAY DIFFRACTION]
CRYSTAL STRUCTURE OF MURINE CLASS I H-2DB COMPLEXED WITH SYNTHETIC PEPTIDE GP33 (C9M/K1A) [X-RAY DIFFRACTION]
CRYSTAL STRUCTURE OF MURINE CLASS I H-2DB COMPLEXED WITH PEPTIDE GP33 (C9M/K1S) [X-RAY DIFFRACTION]
CRYSTAL STRUCTURE OF THE LCMV PEPTIDIC EPITOPE GP33 IN COMPLEX WITH THE MURINE CLASS I MHC MOLECULE H-2DB [X-RAY DIFFRACTION]
MURINE ALLOREACTIVE SCFV TCR-PEPTIDE-MHC CLASS I MOLECULE COMPLEX [X-RAY DIFFRACTION]
>> 188 additional structures at PDB <<
Predicted Effect probably benign
Transcript: ENSMUST00000028665
SMART Domains Protein: ENSMUSP00000028665
Gene: ENSMUSG00000027233

DomainStartEndE-ValueType
low complexity region 33 41 N/A INTRINSIC
low complexity region 143 165 N/A INTRINSIC
low complexity region 215 227 N/A INTRINSIC
Pfam:PAT1 247 490 6.7e-12 PFAM
Predicted Effect possibly damaging
Transcript: ENSMUST00000102476
AA Change: N37I

PolyPhen 2 Score 0.870 (Sensitivity: 0.83; Specificity: 0.93)
SMART Domains Protein: ENSMUSP00000099534
Gene: ENSMUSG00000060802
AA Change: N37I

DomainStartEndE-ValueType
low complexity region 4 16 N/A INTRINSIC
IGc1 40 110 5.51e-24 SMART
Meta Mutation Damage Score 0.2434 question?
Coding Region Coverage
  • 1x: 100.0%
  • 3x: 99.9%
  • 10x: 99.6%
  • 20x: 98.8%
Validation Efficiency 99% (84/85)
MGI Phenotype FUNCTION: [Summary is not available for the mouse gene. This summary is for the human ortholog.] This gene encodes a serum protein found in association with the major histocompatibility complex (MHC) class I heavy chain on the surface of nearly all nucleated cells. The protein has a predominantly beta-pleated sheet structure that can form amyloid fibrils in some pathological conditions. The encoded antimicrobial protein displays antibacterial activity in amniotic fluid. A mutation in this gene has been shown to result in hypercatabolic hypoproteinemia.[provided by RefSeq, Aug 2014]
PHENOTYPE: Homozygotes lacking B2m appear normal, but have no detectable MHC class I antigen on their cells and are deficient in CD4- CD8+ T cells which mediate cytotoxic T cell function. Mutant mice are also subject to systemic iron loading. [provided by MGI curators]
Allele List at MGI
Other mutations in this stock
Total: 84 list
GeneRefVarChr/LocMutationPredicted EffectZygosity
4930563M21Rik A C 9: 56,002,523 D144E possibly damaging Het
Amigo2 T A 15: 97,245,538 K334N probably benign Het
Ano6 T C 15: 95,948,499 probably null Het
Ap1m2 C A 9: 21,299,305 V343F probably benign Het
Apol6 T C 15: 77,055,898 V307A probably benign Het
Arsi C A 18: 60,912,472 A78E probably damaging Het
C8a T C 4: 104,845,903 K363R probably benign Het
Ccdc117 C A 11: 5,534,242 probably null Het
Ccdc154 C A 17: 25,167,971 Q325K probably damaging Het
Cd300e A T 11: 115,054,533 V145E possibly damaging Het
Col19a1 G T 1: 24,317,393 P673Q probably damaging Het
Csn2 A G 5: 87,696,026 probably null Het
Ctnna1 T C 18: 35,174,355 V135A probably damaging Het
Dnah11 T A 12: 118,190,897 D216V probably benign Het
Dnah12 A G 14: 26,710,257 H410R probably benign Het
Dock2 C T 11: 34,231,652 R1637H possibly damaging Het
Dspp A G 5: 104,177,348 N526D unknown Het
Frem2 T C 3: 53,655,280 H602R probably benign Het
Galc A T 12: 98,252,034 H186Q probably damaging Het
Grina T C 15: 76,249,018 V262A probably damaging Het
Gse1 G A 8: 120,553,803 probably null Het
H2-Oa C A 17: 34,093,868 Q40K probably damaging Het
Hfm1 C A 5: 106,886,553 D763Y possibly damaging Het
Hmcn2 T A 2: 31,458,746 Y4925N probably damaging Het
Hs3st3b1 C A 11: 63,889,203 R366L probably benign Het
Idh2 TCCCAGG T 7: 80,098,331 probably benign Het
Itpr2 A G 6: 146,328,335 V1221A probably benign Het
K230010J24Rik T C 15: 76,046,369 probably null Het
Kdm6b T C 11: 69,406,758 N285S probably benign Het
Klk1b1 T A 7: 43,970,657 N181K probably damaging Het
Kmt2a C A 9: 44,826,828 probably benign Het
Lama5 T A 2: 180,180,611 T2890S probably damaging Het
Lama5 T C 2: 180,185,959 D2170G probably damaging Het
Lsm2 T A 17: 34,982,155 probably benign Het
Map3k5 G T 10: 20,023,669 C232F probably damaging Het
Mapk9 T G 11: 49,863,556 D45E probably damaging Het
Mpnd T C 17: 56,012,482 V315A possibly damaging Het
Msh2 A G 17: 87,723,472 I926V probably benign Het
Mtcl1 C T 17: 66,343,526 R1345H probably damaging Het
Nbeal2 A G 9: 110,627,990 probably null Het
Neo1 T C 9: 58,889,029 D1205G probably damaging Het
Nhlrc2 A G 19: 56,570,859 S259G probably benign Het
Nkain4 G A 2: 180,936,003 P186L probably damaging Het
Nkain4 G A 2: 180,936,004 P186S probably damaging Het
Nlrp1b T A 11: 71,218,457 R73* probably null Het
Nr5a2 T C 1: 136,890,798 D330G probably damaging Het
Nup54 A G 5: 92,424,294 L299P probably damaging Het
Olfr259 A G 2: 87,107,952 V145A probably damaging Het
Olfr56 T C 11: 49,135,050 L286P probably damaging Het
Pcdhb8 T A 18: 37,356,226 V319E probably benign Het
Pcsk6 T A 7: 65,929,127 D129E probably benign Het
Pld5 G A 1: 175,970,534 T433I probably benign Het
Plin1 A T 7: 79,721,599 L459H probably benign Het
Psd4 T C 2: 24,394,487 V121A probably damaging Het
Pxdn A T 12: 29,982,717 I167F possibly damaging Het
R3hdm2 T C 10: 127,484,515 S569P probably damaging Het
Rfng T A 11: 120,782,690 T202S probably damaging Het
Robo1 T C 16: 72,933,808 S266P probably benign Het
Sema3c G T 5: 17,653,806 V68L probably damaging Het
Slco6c1 C T 1: 97,066,083 R645H possibly damaging Het
Slfn8 A G 11: 83,016,800 Y306H possibly damaging Het
Snap91 T C 9: 86,838,052 D144G probably damaging Het
St7l T G 3: 104,868,033 F75C probably damaging Het
Stard10 A G 7: 101,343,261 I145V probably damaging Het
Tekt3 C T 11: 63,078,173 A242V probably damaging Het
Tex44 A G 1: 86,426,584 probably benign Het
Thg1l T C 11: 45,954,161 Q88R probably benign Het
Trav8n-2 T A 14: 53,346,287 I67N probably damaging Het
Ttn G A 2: 76,847,426 probably benign Het
Ube4a A T 9: 44,949,753 L253* probably null Het
Uggt1 A T 1: 36,162,208 N1150K probably damaging Het
Uhrf1bp1l G T 10: 89,805,318 G784C possibly damaging Het
Ush2a T A 1: 188,263,101 L23* probably null Het
Usp22 T A 11: 61,174,776 N37I probably benign Het
Usp53 T A 3: 122,949,741 K515N probably damaging Het
Vmn2r4 T C 3: 64,415,281 K6E probably benign Het
Vps13d C T 4: 145,149,348 V1530M probably damaging Het
Vwa3b A G 1: 37,114,531 I485V possibly damaging Het
Wnk4 T C 11: 101,264,330 Y356H probably damaging Het
Zcchc2 A G 1: 105,990,170 probably benign Het
Zfp345 A C 2: 150,473,090 Y176D probably benign Het
Zfp598 T C 17: 24,677,876 F238S possibly damaging Het
Zkscan17 T C 11: 59,502,994 D10G probably damaging Het
Zmat4 T G 8: 23,902,067 M13R probably damaging Het
Other mutations in B2m
AlleleSourceChrCoordTypePredicted EffectPPH Score
IGL02904:B2m APN 2 122151161 splice site probably benign
lactollin UTSW 2 122150915 missense possibly damaging 0.87
ohno UTSW 2 122150984 missense probably damaging 1.00
R4930:B2m UTSW 2 122151647 missense possibly damaging 0.94
R5622:B2m UTSW 2 122150990 missense probably damaging 1.00
R7056:B2m UTSW 2 122150984 missense probably damaging 1.00
R7444:B2m UTSW 2 122150935 missense probably damaging 1.00
Predicted Primers PCR Primer
(F):5'- CTGCTAAAAGCCAGGTAGGG -3'
(R):5'- GGCATGCTTAACTCTGCAGG -3'

Sequencing Primer
(F):5'- ACAGAAGGTACTCGTAGGATTTTG -3'
(R):5'- AACTCTGCAGGCGTATGTATCAGTC -3'
Posted On2018-02-27