Incidental Mutation 'R8069:Man2b1'
ID 620175
Institutional Source Beutler Lab
Gene Symbol Man2b1
Ensembl Gene ENSMUSG00000005142
Gene Name mannosidase 2, alpha B1
Synonyms lysosomal alpha-mannosidase
MMRRC Submission 067504-MU
Accession Numbers
Essential gene? Non essential (E-score: 0.000) question?
Stock # R8069 (G1)
Quality Score 225.009
Status Not validated
Chromosome 8
Chromosomal Location 85809899-85824911 bp(+) (GRCm39)
Type of Mutation missense
DNA Base Change (assembly) A to G at 85823674 bp (GRCm39)
Zygosity Heterozygous
Amino Acid Change Threonine to Alanine at position 973 (T973A)
Ref Sequence ENSEMBL: ENSMUSP00000034121 (fasta)
Gene Model predicted gene model for transcript(s): [ENSMUST00000034121]
AlphaFold O09159
Predicted Effect probably benign
Transcript: ENSMUST00000034121
AA Change: T973A

PolyPhen 2 Score 0.026 (Sensitivity: 0.95; Specificity: 0.81)
SMART Domains Protein: ENSMUSP00000034121
Gene: ENSMUSG00000005142
AA Change: T973A

DomainStartEndE-ValueType
low complexity region 40 51 N/A INTRINSIC
Pfam:Glyco_hydro_38 64 381 2.7e-96 PFAM
Alpha-mann_mid 386 465 4.25e-23 SMART
Pfam:Glyco_hydro_38C 510 1002 6.2e-106 PFAM
Coding Region Coverage
  • 1x: 100.0%
  • 3x: 99.9%
  • 10x: 99.7%
  • 20x: 99.2%
Validation Efficiency
MGI Phenotype FUNCTION: [Summary is not available for the mouse gene. This summary is for the human ortholog.] This gene encodes an enzyme that hydrolyzes terminal, non-reducing alpha-D-mannose residues in alpha-D-mannosides. Its activity is necessary for the catabolism of N-linked carbohydrates released during glycoprotein turnover and it is member of family 38 of glycosyl hydrolases. The full length protein is processed in two steps. First, a 49 aa leader sequence is cleaved off and the remainder of the protein is processed into 3 peptides of 70 kDa, 42 kDa (D) and 13/15 kDa (E). Next, the 70 kDa peptide is further processed into three peptides (A, B and C). The A, B and C peptides are disulfide-linked. Defects in this gene have been associated with lysosomal alpha-mannosidosis. Alternatively spliced transcript variants encoding different isoforms have been found for this gene.[provided by RefSeq, Mar 2010]
PHENOTYPE: Mice homozygous for a knock-out allele show urinary oligosaccharide excretion, storage of neutral sugars, oligosaccharide buildup in spleen, kidney, liver, testis and brain, clear vacuoles and axonal spheroids in CNS, PNS and other cell types, behavioralchanges, and enhanced long-term potentiation. [provided by MGI curators]
Allele List at MGI
Other mutations in this stock
Total: 63 list
GeneRefVarChr/LocMutationPredicted EffectZygosity
Aasdhppt T A 9: 4,296,823 (GRCm39) D261V probably benign Het
Abca8a T C 11: 109,980,876 (GRCm39) Y54C probably damaging Het
Adad2 T C 8: 120,342,746 (GRCm39) S431P probably benign Het
Adam18 A G 8: 25,118,246 (GRCm39) Y557H possibly damaging Het
Adam5 C T 8: 25,303,541 (GRCm39) E129K probably damaging Het
Adgra2 T C 8: 27,609,251 (GRCm39) V824A probably benign Het
Armc12 A T 17: 28,751,410 (GRCm39) K135* probably null Het
Aup1 C T 6: 83,032,910 (GRCm39) Q215* probably null Het
AW146154 G A 7: 41,129,935 (GRCm39) R394C probably benign Het
Canx T G 11: 50,202,531 (GRCm39) D25A possibly damaging Het
Ccnf A G 17: 24,443,989 (GRCm39) L593P probably damaging Het
Cd40 A T 2: 164,898,695 (GRCm39) I41F unknown Het
Cdh1 C T 8: 107,384,405 (GRCm39) A291V probably benign Het
Cdhr2 A T 13: 54,878,883 (GRCm39) I963F probably damaging Het
Cenpe G A 3: 134,949,479 (GRCm39) G88D probably damaging Het
Cep295 T A 9: 15,233,882 (GRCm39) T2305S possibly damaging Het
Cimap1a A T 7: 140,430,215 (GRCm39) T201S probably benign Het
Clcn4 T C 7: 7,299,758 (GRCm39) R24G probably damaging Het
Cnot7 T C 8: 40,960,514 (GRCm39) N98S possibly damaging Het
Defa3 T G 8: 21,778,288 (GRCm39) C91G probably damaging Het
Dennd2c T C 3: 103,072,446 (GRCm39) F844L probably damaging Het
Dido1 T C 2: 180,302,705 (GRCm39) D1733G probably benign Het
Dnah7b G A 1: 46,263,866 (GRCm39) W2116* probably null Het
Dnaja3 T C 16: 4,502,131 (GRCm39) V45A probably benign Het
Efcab7 T A 4: 99,717,615 (GRCm39) S11T unknown Het
Enpp2 T A 15: 54,710,697 (GRCm39) K744N probably damaging Het
Fam171b CCAGCAGCAGCAGCAGCAGCAGC CCAGCAGCAGCAGCAGCAGC 2: 83,643,218 (GRCm39) probably benign Het
Fdxacb1 T G 9: 50,680,135 (GRCm39) F107C probably damaging Het
Fnbp1 A T 2: 30,926,606 (GRCm39) Y433N probably damaging Het
Gatad1 T C 5: 3,693,540 (GRCm39) R210G probably benign Het
Gm15446 T A 5: 110,088,306 (GRCm39) Y6* probably null Het
Gm45140 T C 6: 87,796,551 (GRCm39) H66R Het
Grin3b G A 10: 79,812,868 (GRCm39) R981Q unknown Het
Ipp T G 4: 116,368,053 (GRCm39) I95M probably benign Het
Iqca1 A G 1: 89,973,466 (GRCm39) F769L probably damaging Het
Jkamp C T 12: 72,136,832 (GRCm39) L67F probably damaging Het
Llgl2 T A 11: 115,744,112 (GRCm39) M773K probably damaging Het
Mcm2 T C 6: 88,869,039 (GRCm39) Y271C probably damaging Het
Msl2 T C 9: 100,978,159 (GRCm39) S178P probably benign Het
Myo7a G T 7: 97,732,833 (GRCm39) S648* probably null Het
Neurl1b G T 17: 26,651,201 (GRCm39) V158F probably damaging Het
Nkain2 A G 10: 32,766,034 (GRCm39) V142A unknown Het
Nrp2 C T 1: 62,784,567 (GRCm39) R239C probably damaging Het
Oma1 A T 4: 103,176,232 (GRCm39) probably benign Het
Or10ag58 A T 2: 87,265,364 (GRCm39) N178Y possibly damaging Het
Or5aq7 A G 2: 86,938,411 (GRCm39) Y107H probably damaging Het
Plekhg6 T C 6: 125,340,009 (GRCm39) T784A probably benign Het
Prtg T C 9: 72,752,265 (GRCm39) I217T probably benign Het
Ptx4 T C 17: 25,341,753 (GRCm39) F76S probably damaging Het
Rap1b A C 10: 117,657,514 (GRCm39) I55S probably damaging Het
Sftpd T C 14: 40,894,538 (GRCm39) T294A probably benign Het
Spg11 C T 2: 121,943,637 (GRCm39) V172I probably benign Het
Srms T A 2: 180,848,751 (GRCm39) H363L probably damaging Het
Tbc1d13 A T 2: 30,037,415 (GRCm39) M266L probably damaging Het
Tbc1d2 A C 4: 46,649,737 (GRCm39) C100G possibly damaging Het
Tdg A T 10: 82,474,627 (GRCm39) Q39L probably benign Het
Tiam1 G A 16: 89,586,146 (GRCm39) A1547V probably benign Het
Trpm1 A G 7: 63,858,718 (GRCm39) E380G possibly damaging Het
Unc13b T G 4: 43,177,597 (GRCm39) D2808E unknown Het
Usp25 A T 16: 76,865,943 (GRCm39) D287V possibly damaging Het
Zfp648 A T 1: 154,079,862 (GRCm39) Q7L probably benign Het
Zfp931 T C 2: 177,709,709 (GRCm39) R226G probably benign Het
Zfyve9 T A 4: 108,542,215 (GRCm39) E201D probably benign Het
Other mutations in Man2b1
AlleleSourceChrCoordTypePredicted EffectPPH Score
IGL00588:Man2b1 APN 8 85,811,267 (GRCm39) splice site probably null
IGL00671:Man2b1 APN 8 85,820,567 (GRCm39) missense probably damaging 0.98
IGL01538:Man2b1 APN 8 85,824,059 (GRCm39) missense probably benign 0.00
dateline UTSW 8 85,811,366 (GRCm39) missense probably damaging 1.00
greenwich UTSW 8 85,812,085 (GRCm39) nonsense probably null
longitude UTSW 8 85,821,773 (GRCm39) nonsense probably null
meridian UTSW 8 85,823,381 (GRCm39) missense probably damaging 1.00
R0018:Man2b1 UTSW 8 85,824,118 (GRCm39) missense probably damaging 1.00
R0302:Man2b1 UTSW 8 85,819,645 (GRCm39) missense probably damaging 1.00
R0574:Man2b1 UTSW 8 85,823,405 (GRCm39) missense probably benign
R0727:Man2b1 UTSW 8 85,818,155 (GRCm39) missense probably damaging 1.00
R0837:Man2b1 UTSW 8 85,823,458 (GRCm39) missense possibly damaging 0.92
R1087:Man2b1 UTSW 8 85,821,800 (GRCm39) missense probably damaging 1.00
R1471:Man2b1 UTSW 8 85,813,474 (GRCm39) missense probably damaging 0.99
R1745:Man2b1 UTSW 8 85,820,563 (GRCm39) missense probably damaging 1.00
R1903:Man2b1 UTSW 8 85,813,451 (GRCm39) missense probably damaging 1.00
R2026:Man2b1 UTSW 8 85,821,964 (GRCm39) missense probably damaging 0.99
R2071:Man2b1 UTSW 8 85,812,013 (GRCm39) missense possibly damaging 0.90
R2120:Man2b1 UTSW 8 85,819,653 (GRCm39) splice site probably benign
R3897:Man2b1 UTSW 8 85,823,577 (GRCm39) splice site probably benign
R3971:Man2b1 UTSW 8 85,812,020 (GRCm39) missense probably damaging 0.98
R3972:Man2b1 UTSW 8 85,812,020 (GRCm39) missense probably damaging 0.98
R4096:Man2b1 UTSW 8 85,811,366 (GRCm39) missense probably damaging 1.00
R4497:Man2b1 UTSW 8 85,817,565 (GRCm39) missense probably benign 0.22
R5183:Man2b1 UTSW 8 85,822,413 (GRCm39) missense probably damaging 1.00
R5191:Man2b1 UTSW 8 85,811,088 (GRCm39) missense probably damaging 1.00
R5644:Man2b1 UTSW 8 85,820,839 (GRCm39) missense possibly damaging 0.61
R6027:Man2b1 UTSW 8 85,823,381 (GRCm39) missense probably damaging 1.00
R6291:Man2b1 UTSW 8 85,823,675 (GRCm39) missense probably benign 0.44
R6341:Man2b1 UTSW 8 85,822,028 (GRCm39) missense probably damaging 1.00
R6467:Man2b1 UTSW 8 85,824,076 (GRCm39) missense possibly damaging 0.91
R6622:Man2b1 UTSW 8 85,811,108 (GRCm39) missense probably damaging 1.00
R6624:Man2b1 UTSW 8 85,823,482 (GRCm39) missense probably benign 0.01
R6631:Man2b1 UTSW 8 85,813,440 (GRCm39) splice site probably null
R6828:Man2b1 UTSW 8 85,813,548 (GRCm39) missense possibly damaging 0.88
R6983:Man2b1 UTSW 8 85,817,700 (GRCm39) splice site probably null
R7159:Man2b1 UTSW 8 85,813,909 (GRCm39) missense probably benign 0.09
R7267:Man2b1 UTSW 8 85,813,804 (GRCm39) missense probably damaging 1.00
R7537:Man2b1 UTSW 8 85,817,594 (GRCm39) nonsense probably null
R7786:Man2b1 UTSW 8 85,812,085 (GRCm39) nonsense probably null
R8022:Man2b1 UTSW 8 85,822,242 (GRCm39) missense probably damaging 1.00
R8251:Man2b1 UTSW 8 85,821,758 (GRCm39) missense probably damaging 0.99
R8406:Man2b1 UTSW 8 85,822,907 (GRCm39) missense probably damaging 1.00
R8464:Man2b1 UTSW 8 85,820,772 (GRCm39) missense possibly damaging 0.55
R8701:Man2b1 UTSW 8 85,821,782 (GRCm39) missense probably damaging 1.00
R8792:Man2b1 UTSW 8 85,821,773 (GRCm39) nonsense probably null
R8891:Man2b1 UTSW 8 85,811,084 (GRCm39) missense probably damaging 1.00
R8930:Man2b1 UTSW 8 85,822,022 (GRCm39) missense probably damaging 1.00
R8932:Man2b1 UTSW 8 85,822,022 (GRCm39) missense probably damaging 1.00
R8953:Man2b1 UTSW 8 85,818,539 (GRCm39) missense probably benign 0.36
R9059:Man2b1 UTSW 8 85,818,155 (GRCm39) missense probably damaging 1.00
Z1176:Man2b1 UTSW 8 85,820,567 (GRCm39) missense probably damaging 0.98
Predicted Primers PCR Primer
(F):5'- AAGATTCGGATCGCAACCTG -3'
(R):5'- CCTTGAACCAGACACTGATGG -3'

Sequencing Primer
(F):5'- CCTGTAACCTTGAACGTTCAGGTG -3'
(R):5'- CACTGATGGAGATGAACTCATGCTG -3'
Posted On 2020-01-23