Incidental Mutation 'R3893:Gcnt2'
ID 310055
Institutional Source Beutler Lab
Gene Symbol Gcnt2
Ensembl Gene ENSMUSG00000021360
Gene Name glucosaminyl (N-acetyl) transferase 2 (I blood group)
Synonyms 5330430K10Rik, IGnTB, IGnT, IGnTA, IGnTC
MMRRC Submission 040805-MU
Accession Numbers
Essential gene? Probably non essential (E-score: 0.113) question?
Stock # R3893 (G1)
Quality Score 225
Status Validated
Chromosome 13
Chromosomal Location 41013417-41114368 bp(+) (GRCm39)
Type of Mutation missense
DNA Base Change (assembly) A to G at 41013922 bp (GRCm39)
Zygosity Heterozygous
Amino Acid Change Tyrosine to Cysteine at position 31 (Y31C)
Ref Sequence ENSEMBL: ENSMUSP00000105820 (fasta)
Gene Model predicted gene model for transcript(s): [ENSMUST00000110191]
AlphaFold P97402
Predicted Effect probably benign
Transcript: ENSMUST00000110191
AA Change: Y31C

PolyPhen 2 Score 0.139 (Sensitivity: 0.92; Specificity: 0.86)
SMART Domains Protein: ENSMUSP00000105820
Gene: ENSMUSG00000021360
AA Change: Y31C

DomainStartEndE-ValueType
transmembrane domain 7 24 N/A INTRINSIC
Pfam:Branch 95 357 5.2e-61 PFAM
low complexity region 377 386 N/A INTRINSIC
Meta Mutation Damage Score 0.0898 question?
Coding Region Coverage
  • 1x: 99.2%
  • 3x: 98.7%
  • 10x: 97.4%
  • 20x: 95.4%
Validation Efficiency 100% (42/42)
MGI Phenotype FUNCTION: [Summary is not available for the mouse gene. This summary is for the human ortholog.] This gene encodes the enzyme responsible for formation of the blood group I antigen. The i and I antigens are distinguished by linear and branched poly-N-acetyllactosaminoglycans, respectively. The encoded protein is the I-branching enzyme, a beta-1,6-N-acetylglucosaminyltransferase responsible for the conversion of fetal i antigen to adult I antigen in erythrocytes during embryonic development. Mutations in this gene have been associated with adult i blood group phenotype. Alternatively spliced transcript variants encoding different isoforms have been described. [provided by RefSeq, Jul 2008]
PHENOTYPE: Mice homozygous for a knock-out allele show hypoactivity, a reduced B cell number, epidermoid cyst formation in male abdominal skin, and impaired renal function with increased blood urea nitrogen and creatinine levels and vacuolization of renal tubular epithelial cells in aging mice. [provided by MGI curators]
Allele List at MGI
Other mutations in this stock
Total: 44 list
GeneRefVarChr/LocMutationPredicted EffectZygosity
2610303G11Rik A T 9: 98,068,864 (GRCm39) noncoding transcript Het
Adam19 C T 11: 46,019,665 (GRCm39) A455V probably damaging Het
Akr1c19 G A 13: 4,288,441 (GRCm39) D140N probably damaging Het
Atoh1 A G 6: 64,707,117 (GRCm39) T271A probably damaging Het
Atp6v0a2 G A 5: 124,777,203 (GRCm39) R168Q probably damaging Het
B930094E09Rik G A 18: 31,742,742 (GRCm39) S59N unknown Het
Cadps A G 14: 12,488,883 (GRCm38) probably benign Het
Cfap69 A T 5: 5,631,245 (GRCm39) V61E probably damaging Het
Chd5 A G 4: 152,445,113 (GRCm39) R365G probably damaging Het
Cracdl T A 1: 37,670,539 (GRCm39) M134L probably benign Het
Cyria T C 12: 12,412,526 (GRCm39) V232A probably benign Het
Dnajc18 A T 18: 35,834,048 (GRCm39) probably null Het
Fmnl1 T A 11: 103,087,583 (GRCm39) probably benign Het
Gca A G 2: 62,509,564 (GRCm39) Y89C probably damaging Het
Gem C T 4: 11,705,889 (GRCm39) probably benign Het
Ggps1 T C 13: 14,228,284 (GRCm39) K300E probably benign Het
Gpc5 T C 14: 115,607,472 (GRCm39) M358T probably benign Het
Gprin3 T C 6: 59,331,464 (GRCm39) Y281C probably benign Het
H2-M11 A G 17: 36,857,982 (GRCm39) T6A probably benign Het
Lrp5 G A 19: 3,662,330 (GRCm39) R173C probably damaging Het
Lrrk1 T C 7: 65,928,268 (GRCm39) probably benign Het
Macf1 A G 4: 123,380,199 (GRCm39) Y1298H probably damaging Het
Micu3 C T 8: 40,819,265 (GRCm39) L315F probably damaging Het
Pkd1 G A 17: 24,791,084 (GRCm39) probably null Het
Pkhd1 A T 1: 20,382,362 (GRCm39) Y2596* probably null Het
Pnliprp2 A G 19: 58,754,705 (GRCm39) S250G probably benign Het
Prkcq A C 2: 11,231,782 (GRCm39) E35A probably damaging Het
Prpf8 C A 11: 75,391,083 (GRCm39) S1377R possibly damaging Het
Ptpro T A 6: 137,420,592 (GRCm39) V1007D probably damaging Het
Rin2 C T 2: 145,702,366 (GRCm39) T354I probably benign Het
Rsbn1l C T 5: 21,110,838 (GRCm39) R500H probably damaging Het
Sart3 C T 5: 113,884,697 (GRCm39) E636K probably benign Het
Skint3 A G 4: 112,111,115 (GRCm39) K80R probably damaging Het
Slc11a1 G A 1: 74,423,865 (GRCm39) A398T probably damaging Het
Sspo G T 6: 48,453,505 (GRCm39) E2887* probably null Het
Tmc5 A C 7: 118,244,592 (GRCm39) Y490S probably damaging Het
Tmem181a T A 17: 6,346,061 (GRCm39) L185H probably damaging Het
Tnfsf8 G T 4: 63,779,196 (GRCm39) T34K possibly damaging Het
Trim5 T A 7: 103,926,042 (GRCm39) N173I probably damaging Het
Vkorc1l1 A T 5: 130,011,112 (GRCm39) I109L probably benign Het
Vmn1r214 A G 13: 23,218,811 (GRCm39) T102A probably benign Het
Wdr19 A G 5: 65,385,635 (GRCm39) D579G possibly damaging Het
Zc3h6 A G 2: 128,858,060 (GRCm39) Y697C probably damaging Het
Zfp955b T C 17: 33,521,968 (GRCm39) I479T probably benign Het
Other mutations in Gcnt2
AlleleSourceChrCoordTypePredicted EffectPPH Score
IGL01523:Gcnt2 APN 13 41,041,339 (GRCm39) missense probably benign 0.06
IGL01693:Gcnt2 APN 13 41,041,549 (GRCm39) missense probably benign
IGL02506:Gcnt2 APN 13 41,040,856 (GRCm39) missense probably benign 0.02
IGL03184:Gcnt2 APN 13 41,041,660 (GRCm39) missense probably benign 0.01
BB001:Gcnt2 UTSW 13 41,072,040 (GRCm39) nonsense probably null
BB011:Gcnt2 UTSW 13 41,072,040 (GRCm39) nonsense probably null
PIT4472001:Gcnt2 UTSW 13 41,071,413 (GRCm39) missense probably benign 0.39
R0358:Gcnt2 UTSW 13 41,014,329 (GRCm39) missense probably damaging 0.99
R0734:Gcnt2 UTSW 13 41,013,997 (GRCm39) missense probably benign 0.00
R1863:Gcnt2 UTSW 13 41,014,577 (GRCm39) missense possibly damaging 0.95
R3103:Gcnt2 UTSW 13 41,072,082 (GRCm39) missense probably benign 0.00
R3156:Gcnt2 UTSW 13 41,014,654 (GRCm39) missense probably benign 0.36
R4134:Gcnt2 UTSW 13 41,041,283 (GRCm39) missense probably damaging 1.00
R4135:Gcnt2 UTSW 13 41,041,283 (GRCm39) missense probably damaging 1.00
R4279:Gcnt2 UTSW 13 41,041,666 (GRCm39) missense probably benign 0.17
R4422:Gcnt2 UTSW 13 41,014,001 (GRCm39) nonsense probably null
R4599:Gcnt2 UTSW 13 41,040,966 (GRCm39) missense probably benign
R4618:Gcnt2 UTSW 13 41,111,670 (GRCm39) nonsense probably null
R4908:Gcnt2 UTSW 13 41,014,210 (GRCm39) missense probably damaging 1.00
R5123:Gcnt2 UTSW 13 41,071,831 (GRCm39) missense probably damaging 0.99
R5291:Gcnt2 UTSW 13 41,072,268 (GRCm39) missense probably damaging 1.00
R5437:Gcnt2 UTSW 13 41,014,652 (GRCm39) missense probably damaging 1.00
R5463:Gcnt2 UTSW 13 41,071,650 (GRCm39) missense possibly damaging 0.80
R5471:Gcnt2 UTSW 13 41,014,195 (GRCm39) missense probably damaging 1.00
R5472:Gcnt2 UTSW 13 41,107,055 (GRCm39) missense probably benign 0.30
R5493:Gcnt2 UTSW 13 41,107,076 (GRCm39) missense possibly damaging 0.70
R5586:Gcnt2 UTSW 13 41,014,429 (GRCm39) missense probably damaging 1.00
R5695:Gcnt2 UTSW 13 41,071,675 (GRCm39) missense probably benign 0.03
R6244:Gcnt2 UTSW 13 41,014,717 (GRCm39) missense probably damaging 1.00
R6293:Gcnt2 UTSW 13 41,072,173 (GRCm39) missense probably damaging 1.00
R7036:Gcnt2 UTSW 13 41,041,032 (GRCm39) frame shift probably null
R7077:Gcnt2 UTSW 13 41,013,896 (GRCm39) missense probably benign
R7432:Gcnt2 UTSW 13 41,040,688 (GRCm39) intron probably benign
R7474:Gcnt2 UTSW 13 41,111,733 (GRCm39) missense probably damaging 1.00
R7508:Gcnt2 UTSW 13 41,041,157 (GRCm39) missense probably benign 0.02
R7599:Gcnt2 UTSW 13 41,014,343 (GRCm39) nonsense probably null
R7678:Gcnt2 UTSW 13 41,107,195 (GRCm39) missense probably benign 0.01
R7806:Gcnt2 UTSW 13 41,071,717 (GRCm39) missense probably damaging 1.00
R7808:Gcnt2 UTSW 13 41,014,338 (GRCm39) missense possibly damaging 0.81
R7909:Gcnt2 UTSW 13 41,013,926 (GRCm39) missense probably benign 0.00
R7924:Gcnt2 UTSW 13 41,072,040 (GRCm39) nonsense probably null
R8110:Gcnt2 UTSW 13 41,071,198 (GRCm39) start gained probably benign
R8287:Gcnt2 UTSW 13 41,014,108 (GRCm39) missense probably damaging 1.00
R8782:Gcnt2 UTSW 13 41,072,229 (GRCm39) missense probably damaging 0.98
R8956:Gcnt2 UTSW 13 41,041,204 (GRCm39) missense probably benign 0.30
R9225:Gcnt2 UTSW 13 41,014,336 (GRCm39) missense probably damaging 1.00
R9357:Gcnt2 UTSW 13 41,041,732 (GRCm39) missense possibly damaging 0.92
Z1088:Gcnt2 UTSW 13 41,072,115 (GRCm39) missense probably damaging 1.00
Predicted Primers PCR Primer
(F):5'- TCATCAGAGCCTCATCCGTG -3'
(R):5'- AAGCGGGCTTCTTCTTCAGAG -3'

Sequencing Primer
(F):5'- CGGGATGATACTGGGACCTG -3'
(R):5'- GGCTTCTTCTTCAGAGAGAGTCTC -3'
Posted On 2015-04-17