Incidental Mutation 'R7077:Gcnt2'
ID 549294
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 045172-MU
Accession Numbers
Essential gene? Probably non essential (E-score: 0.110) question?
Stock # R7077 (G1)
Quality Score 225.009
Status Validated
Chromosome 13
Chromosomal Location 41013417-41114368 bp(+) (GRCm39)
Type of Mutation missense
DNA Base Change (assembly) G to A at 41013896 bp (GRCm39)
Zygosity Heterozygous
Amino Acid Change Methionine to Isoleucine at position 22 (M22I)
Ref Sequence ENSEMBL: ENSMUSP00000105820 (fasta)
Gene Model predicted gene model for transcript(s): [ENSMUST00000110191]
AlphaFold P97402
Predicted Effect probably benign
Transcript: ENSMUST00000110191
AA Change: M22I

PolyPhen 2 Score 0.000 (Sensitivity: 1.00; Specificity: 0.00)
SMART Domains Protein: ENSMUSP00000105820
Gene: ENSMUSG00000021360
AA Change: M22I

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: 100.0%
  • 3x: 99.9%
  • 10x: 99.7%
  • 20x: 98.9%
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 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: 53 list
GeneRefVarChr/LocMutationPredicted EffectZygosity
Adam21 C T 12: 81,605,893 (GRCm39) C623Y probably damaging Het
Ago3 T C 4: 126,265,325 (GRCm39) K322R probably null Het
Ankrd17 T C 5: 90,433,723 (GRCm39) H682R possibly damaging Het
Aoah A G 13: 21,094,276 (GRCm39) D187G probably damaging Het
Arhgap17 T C 7: 122,879,231 (GRCm39) D840G unknown Het
AW551984 C T 9: 39,502,723 (GRCm39) V650I probably benign Het
Bok T A 1: 93,616,911 (GRCm39) Y86N probably damaging Het
Ccdc146 T A 5: 21,510,272 (GRCm39) N580I possibly damaging Het
Ccng2 T C 5: 93,417,199 (GRCm39) S72P possibly damaging Het
Cfap74 T G 4: 155,540,134 (GRCm39) I977S unknown Het
Cobl T C 11: 12,203,441 (GRCm39) N1087S probably benign Het
Cyp21a1 C A 17: 35,021,333 (GRCm39) R346L probably damaging Het
Eif4a1 A C 11: 69,561,490 (GRCm39) F52L probably damaging Het
Eif4ebp2 A C 10: 61,269,580 (GRCm39) I120S probably damaging Het
Enpp2 A C 15: 54,764,787 (GRCm39) D146E probably benign Het
Exosc9 T C 3: 36,607,205 (GRCm39) Y30H probably damaging Het
Fam117a G A 11: 95,268,498 (GRCm39) G300S probably benign Het
Focad C A 4: 88,328,914 (GRCm39) A1709E unknown Het
Fsd1 G A 17: 56,300,876 (GRCm39) R245H probably damaging Het
Fsip2 T C 2: 82,813,496 (GRCm39) F3272L probably benign Het
Gjd4 T C 18: 9,280,928 (GRCm39) E50G probably damaging Het
Gm10375 G T 14: 43,840,427 (GRCm39) T162K probably benign Het
Gm10837 C G 14: 122,728,142 (GRCm39) A6G unknown Het
Gm4924 T C 10: 82,215,057 (GRCm39) F952L unknown Het
Heatr1 T C 13: 12,433,045 (GRCm39) F1132L possibly damaging Het
Hnrnpu A G 1: 178,159,756 (GRCm39) Y442H unknown Het
Hp1bp3 C A 4: 137,966,929 (GRCm39) T408N probably damaging Het
Htra3 A G 5: 35,825,660 (GRCm39) V198A probably damaging Het
Katnal1 T C 5: 148,828,547 (GRCm39) T300A probably benign Het
Lipo5 G T 19: 33,445,170 (GRCm39) P133Q Het
Lrp1b A T 2: 41,660,858 (GRCm39) H197Q Het
Mdc1 C A 17: 36,156,839 (GRCm39) A82D probably damaging Het
Mstn A T 1: 53,103,408 (GRCm39) D248V probably benign Het
Myo1d C T 11: 80,565,460 (GRCm39) E426K probably damaging Het
Ola1 G A 2: 72,972,308 (GRCm39) T221I probably damaging Het
Or52z1 A G 7: 103,436,593 (GRCm39) I297T probably damaging Het
Or5t7 T C 2: 86,507,236 (GRCm39) Y147C possibly damaging Het
Or7e166 T A 9: 19,624,428 (GRCm39) S102T probably benign Het
Or8c20 T A 9: 38,261,266 (GRCm39) Y290N probably damaging Het
Phldb1 T C 9: 44,623,201 (GRCm39) T618A possibly damaging Het
Pkd1 T G 17: 24,810,093 (GRCm39) W3565G probably damaging Het
Prl3a1 A T 13: 27,460,086 (GRCm39) N190I probably benign Het
Ptk2 G A 15: 73,093,658 (GRCm39) P854S possibly damaging Het
Ptpn11 C T 5: 121,281,633 (GRCm39) R484Q probably benign Het
Rapgef4 T C 2: 72,071,820 (GRCm39) M900T probably damaging Het
Slc1a2 A T 2: 102,607,855 (GRCm39) D501V probably benign Het
Smarcd3 G T 5: 24,799,960 (GRCm39) A270D probably damaging Het
Srgap2 A G 1: 131,272,187 (GRCm39) M33T Het
Tle1 G C 4: 72,076,612 (GRCm39) P139A probably benign Het
Tmem161b C A 13: 84,370,537 (GRCm39) probably benign Het
Tsbp1 C A 17: 34,659,856 (GRCm39) T93N possibly damaging Het
Zfp658 T A 7: 43,223,413 (GRCm39) S563T probably benign Het
Zswim9 G A 7: 12,993,679 (GRCm39) R826C probably 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
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
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
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'- AACGAGCCAAGGAGCTTTGC -3'
(R):5'- AAGCGGGCTTCTTCTTCAGAG -3'

Sequencing Primer
(F):5'- ATCAGAGCCTCATCCGTGC -3'
(R):5'- GGCTTCTTCTTCAGAGAGAGTCTC -3'
Posted On 2019-05-15