Incidental Mutation 'PIT4472001:Gcnt2'
ID 555881
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
Accession Numbers
Essential gene? Probably non essential (E-score: 0.113) question?
Stock # PIT4472001 (G1)
Quality Score 210.009
Status Not validated
Chromosome 13
Chromosomal Location 41013417-41114368 bp(+) (GRCm39)
Type of Mutation missense
DNA Base Change (assembly) G to A at 41071413 bp (GRCm39)
Zygosity Heterozygous
Amino Acid Change Valine to Methionine at position 19 (V19M)
Ref Sequence ENSEMBL: ENSMUSP00000066467 (fasta)
Gene Model predicted gene model for transcript(s): [ENSMUST00000067778] [ENSMUST00000069958] [ENSMUST00000110191] [ENSMUST00000225759]
AlphaFold P97402
Predicted Effect probably benign
Transcript: ENSMUST00000067778
AA Change: V19M

PolyPhen 2 Score 0.387 (Sensitivity: 0.90; Specificity: 0.89)
SMART Domains Protein: ENSMUSP00000066467
Gene: ENSMUSG00000021360
AA Change: V19M

DomainStartEndE-ValueType
transmembrane domain 7 26 N/A INTRINSIC
Pfam:Branch 95 357 4.2e-58 PFAM
low complexity region 377 386 N/A INTRINSIC
Predicted Effect probably benign
Transcript: ENSMUST00000069958
SMART Domains Protein: ENSMUSP00000070942
Gene: ENSMUSG00000021360

DomainStartEndE-ValueType
low complexity region 8 21 N/A INTRINSIC
Pfam:Branch 95 357 8.4e-60 PFAM
low complexity region 377 386 N/A INTRINSIC
Predicted Effect probably benign
Transcript: ENSMUST00000110191
SMART Domains Protein: ENSMUSP00000105820
Gene: ENSMUSG00000021360

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
Predicted Effect possibly damaging
Transcript: ENSMUST00000225759
AA Change: V19M

PolyPhen 2 Score 0.585 (Sensitivity: 0.88; Specificity: 0.91)
Coding Region Coverage
  • 1x: 93.7%
  • 3x: 90.8%
  • 10x: 84.2%
  • 20x: 70.1%
Validation Efficiency
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: 47 list
GeneRefVarChr/LocMutationPredicted EffectZygosity
A4gnt C A 9: 99,502,613 (GRCm39) P258T probably damaging Het
Arvcf T C 16: 18,221,699 (GRCm39) V714A possibly damaging Het
Bcas3 A G 11: 85,422,726 (GRCm39) I532V probably damaging Het
Cbr1 T A 16: 93,406,692 (GRCm39) V136E probably damaging Het
Ccdc27 T C 4: 154,126,184 (GRCm39) M102V unknown Het
Ccr1 T C 9: 123,763,765 (GRCm39) Y255C probably damaging Het
Cd300e T A 11: 114,945,336 (GRCm39) I153F possibly damaging Het
Chd7 C T 4: 8,753,101 (GRCm39) L533F unknown Het
Cpvl A T 6: 53,873,464 (GRCm39) F424Y possibly damaging Het
Cxcl16 C T 11: 70,349,625 (GRCm39) G80R probably damaging Het
Cyp2g1 T C 7: 26,513,619 (GRCm39) V186A probably benign Het
Cyp4f15 T A 17: 32,921,798 (GRCm39) M490K probably damaging Het
D630045J12Rik A T 6: 38,155,774 (GRCm39) V1160D probably damaging Het
Dennd2b G A 7: 109,130,337 (GRCm39) A888V probably damaging Het
Fbn1 T C 2: 125,148,421 (GRCm39) D2609G possibly damaging Het
Fgf5 T A 5: 98,409,838 (GRCm39) V129E probably damaging Het
Fhl5 C A 4: 25,211,194 (GRCm39) C166F probably damaging Het
Frem1 G A 4: 82,890,374 (GRCm39) T1035I probably benign Het
Gga1 C A 15: 78,777,836 (GRCm39) A595D probably damaging Het
Gpaa1 C T 15: 76,218,940 (GRCm39) T594I probably benign Het
Gskip C T 12: 105,651,121 (GRCm39) probably benign Het
Ighv1-72 A G 12: 115,721,620 (GRCm39) V112A probably damaging Het
Krt16 T A 11: 100,138,732 (GRCm39) T185S probably benign Het
Lama1 T C 17: 68,071,699 (GRCm39) V862A Het
Lats2 A C 14: 57,936,814 (GRCm39) Y558* probably null Het
Mast4 G A 13: 102,941,226 (GRCm39) T277M probably damaging Het
Mnx1 T C 5: 29,679,105 (GRCm39) E326G unknown Het
Mtmr10 A G 7: 63,983,106 (GRCm39) E471G probably benign Het
Or5p64 C T 7: 107,855,310 (GRCm39) V12M possibly damaging Het
Otog G A 7: 45,945,273 (GRCm39) V2177M probably damaging Het
Ovgp1 A G 3: 105,894,306 (GRCm39) E693G unknown Het
Pclo T C 5: 14,763,182 (GRCm39) M600T possibly damaging Het
Pdgfra T A 5: 75,340,907 (GRCm39) M622K probably damaging Het
Pdxdc1 A G 16: 13,663,209 (GRCm39) L428P probably damaging Het
Pfkfb4 T C 9: 108,828,222 (GRCm39) Y86H probably benign Het
Pik3cg A G 12: 32,254,983 (GRCm39) Y335H probably damaging Het
Podnl1 G A 8: 84,854,477 (GRCm39) V150M Het
Pou4f3 A G 18: 42,527,717 (GRCm39) M4V probably benign Het
Ppp1r13b G A 12: 111,799,074 (GRCm39) R864C probably damaging Het
R3hdm4 A G 10: 79,749,389 (GRCm39) probably null Het
Skil T A 3: 31,152,381 (GRCm39) V301D probably damaging Het
Sptb G A 12: 76,667,460 (GRCm39) T879M probably damaging Het
Strip1 G A 3: 107,535,486 (GRCm39) A79V probably benign Het
Tpgs2 G A 18: 25,301,652 (GRCm39) T5M possibly damaging Het
Trim34a T A 7: 103,897,155 (GRCm39) L73Q probably damaging Het
Trpv4 T A 5: 114,764,984 (GRCm39) T677S probably damaging Het
Vmn2r23 A G 6: 123,689,936 (GRCm39) T271A possibly damaging 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
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
R3893:Gcnt2 UTSW 13 41,013,922 (GRCm39) missense probably benign 0.14
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'- TGCTAAACTCCAGCCAGTCC -3'
(R):5'- TATTGAGGACAGGAGAGTCTTTC -3'

Sequencing Primer
(F):5'- AGACCCACGCCTTGAGAG -3'
(R):5'- CAGGAGAGTCTTTCTAAAGGATGTG -3'
Posted On 2019-06-07