Incidental Mutation 'D4043:Kirrel'
ID270
Institutional Source Beutler Lab
Gene Symbol Kirrel
Ensembl Gene ENSMUSG00000041734
Gene Namekirre like nephrin family adhesion molecule 1
SynonymsKirrel1, 6720469N11Rik, Neph1
Accession Numbers

Genbank: NM_130867; MGI: 1891396

Is this an essential gene? Essential (E-score: 1.000) question?
Stock #D4043 (G3) of strain 483
Quality Score
Status Validated
Chromosome3
Chromosomal Location87078593-87174747 bp(-) (GRCm38)
Type of Mutationmissense
DNA Base Change (assembly) T to A at 87083203 bp
ZygosityHeterozygous
Amino Acid Change Threonine to Serine at position 771 (T771S)
Ref Sequence ENSEMBL: ENSMUSP00000125525 (fasta)
Gene Model predicted gene model for transcript(s): [ENSMUST00000041732] [ENSMUST00000107618] [ENSMUST00000159976]
Predicted Effect probably benign
Transcript: ENSMUST00000041732
SMART Domains Protein: ENSMUSP00000043756
Gene: ENSMUSG00000041734

DomainStartEndE-ValueType
IG 59 149 3.62e-10 SMART
IG_like 160 252 1.27e1 SMART
IG_like 261 337 1.89e1 SMART
IGc2 352 410 3.28e-8 SMART
IG_like 430 522 5.71e0 SMART
transmembrane domain 529 551 N/A INTRINSIC
Predicted Effect probably benign
Transcript: ENSMUST00000107618
AA Change: T771S

PolyPhen 2 Score 0.017 (Sensitivity: 0.95; Specificity: 0.80)
SMART Domains Protein: ENSMUSP00000103243
Gene: ENSMUSG00000041734
AA Change: T771S

DomainStartEndE-ValueType
IG 59 149 3.62e-10 SMART
IG_like 160 252 1.27e1 SMART
IG_like 261 337 1.89e1 SMART
IGc2 352 410 3.28e-8 SMART
IG_like 430 522 5.71e0 SMART
transmembrane domain 529 551 N/A INTRINSIC
low complexity region 694 712 N/A INTRINSIC
Predicted Effect probably benign
Transcript: ENSMUST00000159976
AA Change: T771S

PolyPhen 2 Score 0.017 (Sensitivity: 0.95; Specificity: 0.80)
SMART Domains Protein: ENSMUSP00000125525
Gene: ENSMUSG00000041734
AA Change: T771S

DomainStartEndE-ValueType
IG 59 149 3.62e-10 SMART
IG_like 160 252 1.27e1 SMART
IG_like 261 337 1.89e1 SMART
IGc2 352 410 3.28e-8 SMART
IG_like 430 522 5.71e0 SMART
transmembrane domain 529 551 N/A INTRINSIC
low complexity region 694 712 N/A INTRINSIC
Meta Mutation Damage Score 0.088 question?
Coding Region Coverage
  • 1x: 88.8%
  • 3x: 72.5%
Validation Efficiency 88% (220/249)
MGI Phenotype FUNCTION: [Summary is not available for the mouse gene. This summary is for the human ortholog.] NEPH1 is a member of the nephrin-like protein family, which includes NEPH2 (MIM 607761) and NEPH3 (MIM 607762). The cytoplasmic domains of these proteins interact with the C terminus of podocin (NPHS2; MIM 604766), and the genes are expressed in kidney podocytes, cells involved in ensuring size- and charge-selective ultrafiltration (Sellin et al., 2003 [PubMed 12424224]).[supplied by OMIM, Mar 2008]
PHENOTYPE: Mice homozygous for a gene trap insertion exhibit postnatal lethality and are small and sickly. Glomerular and tubular defects in the kidney result in severe proteinuria. [provided by MGI curators]
Allele List at MGI

All alleles(121) : Targeted, other(2) Gene trapped(119)

Other mutations in this stock
Total: 25 list
GeneRefVarChr/LocMutationPredicted EffectZygosity
1110020G09Rik T A 15: 9,103,385 probably benign Homo
1700029J07Rik A G 8: 45,956,403 V293A probably damaging Het
Adam29 A T 8: 55,872,461 C319* probably null Het
Adgrg1 T C 8: 95,005,229 probably null Homo
Ago3 A T 4: 126,351,003 V630E probably damaging Het
Armc8 G T 9: 99,483,976 N628K probably benign Het
Chd7 A G 4: 8,862,650 D2579G probably damaging Het
Duox1 G A 2: 122,344,795 C1358Y probably benign Het
Fam208a A G 14: 27,471,992 I1050V probably benign Het
Ftsj3 C A 11: 106,254,808 M66I possibly damaging Homo
Iqub C T 6: 24,505,751 E53K possibly damaging Het
Lrrc66 A T 5: 73,607,526 S725T probably benign Het
Mael T C 1: 166,236,886 I104M probably benign Homo
Mkks C T 2: 136,874,610 V457I probably benign Het
Npas1 T C 7: 16,463,244 probably null Het
Ocrl T C X: 47,936,323 V359A probably benign Homo
Olfr1065 G A 2: 86,445,220 T254M probably damaging Het
Pde6b C T 5: 108,425,356 R531* probably null Het
Polr1a G A 6: 71,941,417 C653Y possibly damaging Het
Rbm26 A G 14: 105,152,540 V216A possibly damaging Het
Rin2 C A 2: 145,822,363 H52Q possibly damaging Het
Ssc5d C T 7: 4,943,983 T1112I possibly damaging Het
Sv2c C T 13: 96,088,481 V107M probably benign Het
Tulp3 G A 6: 128,324,150 S366L probably benign Het
Zfp831 T A 2: 174,645,266 V578E probably benign Homo
Other mutations in Kirrel
AlleleSourceChrCoordTypePredicted EffectPPH Score
IGL01310:Kirrel APN 3 87089875 missense probably benign 0.22
IGL01865:Kirrel APN 3 87086424 missense probably damaging 1.00
IGL01875:Kirrel APN 3 87095730 missense probably damaging 1.00
IGL02337:Kirrel APN 3 87089212 missense possibly damaging 0.64
IGL02724:Kirrel APN 3 87090473 nonsense probably null
IGL02825:Kirrel APN 3 87089288 splice site probably benign
IGL02826:Kirrel APN 3 87088485 missense probably damaging 1.00
IGL03102:Kirrel APN 3 87083500 missense probably damaging 0.98
R0360:Kirrel UTSW 3 87089799 missense probably damaging 1.00
R0364:Kirrel UTSW 3 87089799 missense probably damaging 1.00
R0421:Kirrel UTSW 3 87083607 missense probably damaging 0.99
R0503:Kirrel UTSW 3 87097802 missense probably benign 0.20
R1112:Kirrel UTSW 3 87089151 missense probably null 0.46
R1116:Kirrel UTSW 3 87089151 missense probably null 0.46
R1144:Kirrel UTSW 3 87089151 missense probably null 0.46
R1147:Kirrel UTSW 3 87089151 missense probably null 0.46
R1147:Kirrel UTSW 3 87089151 missense probably null 0.46
R1190:Kirrel UTSW 3 87089151 missense probably null 0.46
R1226:Kirrel UTSW 3 87089151 missense probably null 0.46
R1501:Kirrel UTSW 3 87090472 missense probably benign 0.02
R1538:Kirrel UTSW 3 87089151 missense probably null 0.46
R1546:Kirrel UTSW 3 87089151 missense probably null 0.46
R1628:Kirrel UTSW 3 87089151 missense probably null 0.46
R1630:Kirrel UTSW 3 87089151 missense probably null 0.46
R1631:Kirrel UTSW 3 87089151 missense probably null 0.46
R1664:Kirrel UTSW 3 87089151 missense probably null 0.46
R1671:Kirrel UTSW 3 87089151 missense probably null 0.46
R1695:Kirrel UTSW 3 87089151 missense probably null 0.46
R1769:Kirrel UTSW 3 87089151 missense probably null 0.46
R1807:Kirrel UTSW 3 87089151 missense probably null 0.46
R1808:Kirrel UTSW 3 87089151 missense probably null 0.46
R1840:Kirrel UTSW 3 87089151 missense probably null 0.46
R1876:Kirrel UTSW 3 87089151 missense probably null 0.46
R1995:Kirrel UTSW 3 87095786 missense possibly damaging 0.88
R2014:Kirrel UTSW 3 87089151 missense probably null 0.46
R2086:Kirrel UTSW 3 87089151 missense probably null 0.46
R2108:Kirrel UTSW 3 87089151 missense probably null 0.46
R2354:Kirrel UTSW 3 87088485 missense probably damaging 0.98
R2407:Kirrel UTSW 3 87084843 missense probably benign 0.03
R2904:Kirrel UTSW 3 87089151 missense probably null 0.46
R2905:Kirrel UTSW 3 87089151 missense probably null 0.46
R2958:Kirrel UTSW 3 87089151 missense probably null 0.46
R2959:Kirrel UTSW 3 87089151 missense probably null 0.46
R2960:Kirrel UTSW 3 87089151 missense probably null 0.46
R2961:Kirrel UTSW 3 87089151 missense probably null 0.46
R3026:Kirrel UTSW 3 87089151 missense probably null 0.46
R3028:Kirrel UTSW 3 87089151 missense probably null 0.46
R3034:Kirrel UTSW 3 87083439 missense possibly damaging 0.56
R3149:Kirrel UTSW 3 87089151 missense probably null 0.46
R3195:Kirrel UTSW 3 87089151 missense probably null 0.46
R3196:Kirrel UTSW 3 87089151 missense probably null 0.46
R3499:Kirrel UTSW 3 87089151 missense probably null 0.46
R3699:Kirrel UTSW 3 87089151 missense probably null 0.46
R3720:Kirrel UTSW 3 87089151 missense probably null 0.46
R3721:Kirrel UTSW 3 87089151 missense probably null 0.46
R3788:Kirrel UTSW 3 87089151 missense probably null 0.46
R3793:Kirrel UTSW 3 87089151 missense probably null 0.46
R3876:Kirrel UTSW 3 87089151 missense probably null 0.46
R3877:Kirrel UTSW 3 87089151 missense probably null 0.46
R3901:Kirrel UTSW 3 87089151 missense probably null 0.46
R3910:Kirrel UTSW 3 87089151 missense probably null 0.46
R3911:Kirrel UTSW 3 87089151 missense probably null 0.46
R3912:Kirrel UTSW 3 87089151 missense probably null 0.46
R3913:Kirrel UTSW 3 87089151 missense probably null 0.46
R3930:Kirrel UTSW 3 87089151 missense probably null 0.46
R3931:Kirrel UTSW 3 87089151 missense probably null 0.46
R4022:Kirrel UTSW 3 87089151 missense probably null 0.46
R4067:Kirrel UTSW 3 87088467 nonsense probably null
R4077:Kirrel UTSW 3 87085080 critical splice donor site probably null
R4198:Kirrel UTSW 3 87089151 missense probably null 0.46
R4328:Kirrel UTSW 3 87084774 intron probably benign
R4355:Kirrel UTSW 3 87089151 missense probably null 0.46
R4363:Kirrel UTSW 3 87090485 nonsense probably null
R4378:Kirrel UTSW 3 87089151 missense probably null 0.46
R4386:Kirrel UTSW 3 87089151 missense probably null 0.46
R4460:Kirrel UTSW 3 87089151 missense probably null 0.46
R4468:Kirrel UTSW 3 87089151 missense probably null 0.46
R4469:Kirrel UTSW 3 87089151 missense probably null 0.46
R4650:Kirrel UTSW 3 87089151 missense probably null 0.46
R4652:Kirrel UTSW 3 87089151 missense probably null 0.46
R4734:Kirrel UTSW 3 87089151 missense probably null 0.46
R4748:Kirrel UTSW 3 87089151 missense probably null 0.46
R4749:Kirrel UTSW 3 87089151 missense probably null 0.46
R5304:Kirrel UTSW 3 87089595 missense probably benign 0.02
R5534:Kirrel UTSW 3 87090518 missense probably damaging 1.00
R5604:Kirrel UTSW 3 87089155 missense possibly damaging 0.69
Nature of Mutation
DNA sequencing using the SOLiD technique identified an A to T transversion at position 2673 of the Kirrel transcript in exon 16 of 16 total exons. Multiple transcripts of the Kirrel gene are displayed on Ensembl and Vega. The mutated nucleotide causes a threonine to serine substitution at amino acid 771 of the encoded protein. The mutation has been confirmed by DNA sequencing using the Sanger method (Figure 1).
Protein Function and Prediction
The Kirrel gene encodes a two isoforms of a single-pass type I membrane protein that is located predominantly at the podocyte slit diaphragm of kidney glomeruli known as NEPH1, a member of the nephrin-like protein family. The cytoplasmic domains of these proteins interact with the the C-terminus of podocin, a protein that is crucial for establishing the glomerular filtration barrier. This protein plays a significant role in the normal development and function of the glomerular permeability, and is a signaling protein that needs the presence of TEC kinases to fully trans-activate the transcription factor AP-1. The standard isoform contains 789 amino acids with five Ig-like C2-type immunoglobulin domains in the extracellular region. Isoform 2 has a variant cytoplasmic region (Uniprot Q80W68). Mice homozygous for a gene trap insertion exhibit postnatal lethality and are small and sickly. Glomerular and tubular defects in the kidney result in severe proteinuria.
 
The T771S change is predicted to be benign by the PolyPhen program.
Posted On2010-08-13