Incidental Mutation 'R1745:Man2b1'
ID 193930
Institutional Source Beutler Lab
Gene Symbol Man2b1
Ensembl Gene ENSMUSG00000005142
Gene Name mannosidase 2, alpha B1
Synonyms lysosomal alpha-mannosidase
MMRRC Submission 039777-MU
Accession Numbers
Essential gene? Non essential (E-score: 0.000) question?
Stock # R1745 (G1)
Quality Score 225
Status Validated
Chromosome 8
Chromosomal Location 85809899-85824911 bp(+) (GRCm39)
Type of Mutation missense
DNA Base Change (assembly) T to A at 85820563 bp (GRCm39)
Zygosity Heterozygous
Amino Acid Change Phenylalanine to Isoleucine at position 617 (F617I)
Ref Sequence ENSEMBL: ENSMUSP00000034121 (fasta)
Gene Model predicted gene model for transcript(s): [ENSMUST00000034121]
AlphaFold O09159
Predicted Effect probably damaging
Transcript: ENSMUST00000034121
AA Change: F617I

PolyPhen 2 Score 1.000 (Sensitivity: 0.00; Specificity: 1.00)
SMART Domains Protein: ENSMUSP00000034121
Gene: ENSMUSG00000005142
AA Change: F617I

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
Predicted Effect noncoding transcript
Transcript: ENSMUST00000211223
Predicted Effect noncoding transcript
Transcript: ENSMUST00000211379
Meta Mutation Damage Score 0.6963 question?
Coding Region Coverage
  • 1x: 97.4%
  • 3x: 96.9%
  • 10x: 95.3%
  • 20x: 92.5%
Validation Efficiency 98% (54/55)
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: 53 list
GeneRefVarChr/LocMutationPredicted EffectZygosity
Abcc10 A T 17: 46,623,359 (GRCm39) V851E probably benign Het
Adam28 A G 14: 68,870,620 (GRCm39) I351T probably benign Het
Agrp G T 8: 106,293,467 (GRCm39) T106K probably damaging Het
Anpep C T 7: 79,488,004 (GRCm39) E518K probably benign Het
Ap2a1 T C 7: 44,556,369 (GRCm39) E285G probably damaging Het
Arfgef1 A C 1: 10,243,480 (GRCm39) I1023R probably damaging Het
Atp2c2 G A 8: 120,451,833 (GRCm39) V133I probably benign Het
Bpifb6 A G 2: 153,753,403 (GRCm39) T401A possibly damaging Het
Capn3 G A 2: 120,320,170 (GRCm39) V283M possibly damaging Het
Chd6 A T 2: 160,823,587 (GRCm39) V1261E probably damaging Het
Col22a1 C T 15: 71,878,636 (GRCm39) A174T probably damaging Het
Crnn T C 3: 93,054,198 (GRCm39) V27A probably benign Het
Dclk2 C T 3: 86,712,946 (GRCm39) R503Q possibly damaging Het
Dgkd T C 1: 87,859,766 (GRCm39) probably null Het
Diaph3 A G 14: 87,203,996 (GRCm39) L554P probably damaging Het
Ephb4 A T 5: 137,358,696 (GRCm39) H293L probably benign Het
Erbin G T 13: 103,975,957 (GRCm39) H646N probably damaging Het
Faiml T C 9: 99,116,511 (GRCm39) N60D probably benign Het
Fem1al A G 11: 29,774,723 (GRCm39) S245P probably benign Het
Flot1 A G 17: 36,135,552 (GRCm39) E102G probably damaging Het
Fryl G A 5: 73,190,204 (GRCm39) probably benign Het
Gad1-ps A T 10: 99,281,386 (GRCm39) noncoding transcript Het
Gtf3c3 A G 1: 54,473,371 (GRCm39) S81P probably damaging Het
Hs1bp3 C T 12: 8,371,690 (GRCm39) Q91* probably null Het
Igf1r T C 7: 67,819,661 (GRCm39) C324R probably damaging Het
Il23r G A 6: 67,443,275 (GRCm39) T276I probably damaging Het
Ip6k1 G A 9: 107,918,195 (GRCm39) E77K possibly damaging Het
Kctd1 A T 18: 15,196,263 (GRCm39) probably benign Het
Kmt2b A T 7: 30,285,275 (GRCm39) M539K possibly damaging Het
Med15 G A 16: 17,473,570 (GRCm39) probably benign Het
Myo9b A G 8: 71,806,691 (GRCm39) K1543R probably damaging Het
N4bp2 A G 5: 65,948,165 (GRCm39) Y265C probably benign Het
N4bp2l2 A T 5: 150,585,424 (GRCm39) N185K probably benign Het
Nkx2-1 A G 12: 56,580,529 (GRCm39) M137T probably benign Het
Or51q1c A G 7: 103,653,270 (GRCm39) T269A probably benign Het
Prickle2 A T 6: 92,353,574 (GRCm39) Y631N probably damaging Het
Ptpro A G 6: 137,377,643 (GRCm39) T698A probably benign Het
Rapgef3 T C 15: 97,648,059 (GRCm39) I690V probably benign Het
Rnf44 G A 13: 54,830,005 (GRCm39) R271W probably damaging Het
Rundc3a GAGCC GAGCCAGCC 11: 102,291,739 (GRCm39) probably null Het
Ryr2 A G 13: 11,805,153 (GRCm39) Y904H probably damaging Het
Suz12 T C 11: 79,912,922 (GRCm39) L322P probably damaging Het
Tnfsf13 G A 11: 69,575,973 (GRCm39) A38V probably benign Het
Topbp1 G A 9: 103,186,044 (GRCm39) R62H probably benign Het
Tor1aip1 G T 1: 155,906,180 (GRCm39) probably null Het
Trpv4 A T 5: 114,771,215 (GRCm39) V438E probably damaging Het
Tsku A T 7: 98,001,386 (GRCm39) V315E possibly damaging Het
Ttc38 T C 15: 85,717,373 (GRCm39) L16P probably damaging Het
Vmn1r170 A G 7: 23,305,759 (GRCm39) I54V probably damaging Het
Vmn1r71 T C 7: 10,482,196 (GRCm39) D98G probably benign Het
Wdfy3 A T 5: 102,096,795 (GRCm39) D334E probably damaging Het
Zfhx3 T A 8: 109,682,494 (GRCm39) F3311Y unknown Het
Zswim9 A G 7: 13,003,482 (GRCm39) S123P probably damaging 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
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
R8069:Man2b1 UTSW 8 85,823,674 (GRCm39) missense probably benign 0.03
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'- TGCAAAGGGCTGTTCGTCCATC -3'
(R):5'- TCACCAACACTGGCATTATACCTGC -3'

Sequencing Primer
(F):5'- GGCTGTTCGTCCATCCTAGAG -3'
(R):5'- TGGCATTATACCTGCAACCAGAG -3'
Posted On 2014-05-23