Incidental Mutation 'R4322:Csn2'
ID 323867
Institutional Source Beutler Lab
Gene Symbol Csn2
Ensembl Gene ENSMUSG00000063157
Gene Name casein beta
Synonyms CSN2, Csnb
MMRRC Submission 041093-MU
Accession Numbers
Essential gene? Probably non essential (E-score: 0.053) question?
Stock # R4322 (G1)
Quality Score 225
Status Validated
Chromosome 5
Chromosomal Location 87840478-87847288 bp(-) (GRCm39)
Type of Mutation critical splice donor site (1 bp from exon)
DNA Base Change (assembly) C to T at 87845886 bp (GRCm39)
Zygosity Heterozygous
Amino Acid Change
Ref Sequence ENSEMBL: ENSMUSP00000143409 (fasta)
Gene Model predicted gene model for transcript(s): [ENSMUST00000082370] [ENSMUST00000196163] [ENSMUST00000196869] [ENSMUST00000197422] [ENSMUST00000198057] [ENSMUST00000199624]
AlphaFold P10598
Predicted Effect probably null
Transcript: ENSMUST00000082370
SMART Domains Protein: ENSMUSP00000080976
Gene: ENSMUSG00000063157

DomainStartEndE-ValueType
low complexity region 21 36 N/A INTRINSIC
Pfam:Casein 142 221 1.5e-22 PFAM
Predicted Effect probably null
Transcript: ENSMUST00000196163
SMART Domains Protein: ENSMUSP00000142673
Gene: ENSMUSG00000063157

DomainStartEndE-ValueType
Pfam:Casein 134 215 1.7e-20 PFAM
Predicted Effect noncoding transcript
Transcript: ENSMUST00000196664
Predicted Effect probably null
Transcript: ENSMUST00000196869
SMART Domains Protein: ENSMUSP00000142971
Gene: ENSMUSG00000063157

DomainStartEndE-ValueType
Pfam:Casein 126 207 3.2e-24 PFAM
Predicted Effect noncoding transcript
Transcript: ENSMUST00000197281
Predicted Effect probably null
Transcript: ENSMUST00000197422
SMART Domains Protein: ENSMUSP00000143341
Gene: ENSMUSG00000063157

DomainStartEndE-ValueType
low complexity region 21 36 N/A INTRINSIC
Pfam:Casein 142 223 4.8e-23 PFAM
Predicted Effect noncoding transcript
Transcript: ENSMUST00000197687
Predicted Effect noncoding transcript
Transcript: ENSMUST00000199716
Predicted Effect probably null
Transcript: ENSMUST00000198057
SMART Domains Protein: ENSMUSP00000143709
Gene: ENSMUSG00000063157

DomainStartEndE-ValueType
low complexity region 21 36 N/A INTRINSIC
Pfam:Casein 141 220 4.2e-23 PFAM
Predicted Effect probably null
Transcript: ENSMUST00000199624
SMART Domains Protein: ENSMUSP00000143409
Gene: ENSMUSG00000063157

DomainStartEndE-ValueType
low complexity region 21 36 N/A INTRINSIC
Pfam:Casein 142 223 4.8e-23 PFAM
Predicted Effect noncoding transcript
Transcript: ENSMUST00000200627
Meta Mutation Damage Score 0.9486 question?
Coding Region Coverage
  • 1x: 99.3%
  • 3x: 98.7%
  • 10x: 97.5%
  • 20x: 95.8%
Validation Efficiency 94% (48/51)
MGI Phenotype FUNCTION: [Summary is not available for the mouse gene. This summary is for the human ortholog.] This gene is a member of the beta casein family. There are two types of casein protein, beta (encoded by this gene) and kappa, both of which are secreted in human milk. Beta casein is the principal protein in human milk and the primary source of essential amino acids for a suckling infant. Beta and kappa casein proteins acting together form spherical micelles which bind within them important dietary minerals, such as calcium and phosphorous. Alternative splicing results in multiple transcript variants. [provided by RefSeq, Nov 2014]
PHENOTYPE: Female mice homozygous for disruption of this gene produce mile with a low protein content and poor nutritional value. [provided by MGI curators]
Allele List at MGI
Other mutations in this stock
Total: 37 list
GeneRefVarChr/LocMutationPredicted EffectZygosity
Actrt2 G A 4: 154,751,701 (GRCm39) A145V probably damaging Het
Allc C A 12: 28,604,023 (GRCm39) L353F probably benign Het
Alx3 C T 3: 107,502,691 (GRCm39) P67L probably benign Het
Arhgef10l C A 4: 140,270,037 (GRCm39) G882V probably benign Het
Asb13 G T 13: 3,695,012 (GRCm39) R160L possibly damaging Het
Atxn7l2 A T 3: 108,113,148 (GRCm39) D218E probably damaging Het
Bdp1 T A 13: 100,228,731 (GRCm39) N299I probably damaging Het
Ccdc80 G T 16: 44,915,951 (GRCm39) V236L probably damaging Het
Cdhr2 A T 13: 54,881,534 (GRCm39) I1085L probably benign Het
Dnajb14 G A 3: 137,591,060 (GRCm39) G54S probably damaging Het
Fyb1 T A 15: 6,610,300 (GRCm39) L291Q possibly damaging Het
Ggcx A G 6: 72,405,803 (GRCm39) S545G probably benign Het
Gm12250 G A 11: 58,079,126 (GRCm39) noncoding transcript Het
Hipk3 C A 2: 104,276,916 (GRCm39) V388L probably damaging Het
Hjurp G C 1: 88,204,937 (GRCm39) probably benign Het
Kng1 A C 16: 22,898,270 (GRCm39) M557L probably benign Het
Lilrb4a T C 10: 51,367,707 (GRCm39) F83S probably damaging Het
Lmcd1 A G 6: 112,292,724 (GRCm39) E192G possibly damaging Het
Lrp2 C A 2: 69,256,335 (GRCm39) E4602* probably null Het
Mc4r T C 18: 66,992,121 (GRCm39) R331G probably benign Het
Mybpc3 A G 2: 90,954,306 (GRCm39) D393G possibly damaging Het
Or2y1f G A 11: 49,184,503 (GRCm39) M118I probably damaging Het
Or4c10b A G 2: 89,712,078 (GRCm39) K303E probably benign Het
Or5p69 C T 7: 107,967,555 (GRCm39) P286L probably damaging Het
Orc1 G A 4: 108,445,973 (GRCm39) M30I probably benign Het
Pira13 A G 7: 3,825,754 (GRCm39) S372P possibly damaging Het
Pot1a T C 6: 25,745,929 (GRCm39) T591A probably benign Het
Rnf125 G A 18: 21,110,817 (GRCm39) R25K probably benign Het
Rufy4 T C 1: 74,186,822 (GRCm39) C537R probably damaging Het
Sh3rf2 A T 18: 42,244,464 (GRCm39) H310L probably damaging Het
Shld2 G T 14: 33,981,632 (GRCm39) T502K probably damaging Het
Srgap1 T C 10: 121,705,711 (GRCm39) K238E probably damaging Het
Ssc5d C T 7: 4,931,449 (GRCm39) R219C probably damaging Het
Them5 C A 3: 94,253,463 (GRCm39) H158N probably damaging Het
Vmn1r203 A T 13: 22,708,408 (GRCm39) N63I probably damaging Het
Vps41 T A 13: 19,007,960 (GRCm39) F264L probably damaging Het
Vtn A T 11: 78,390,916 (GRCm39) probably benign Het
Other mutations in Csn2
AlleleSourceChrCoordTypePredicted EffectPPH Score
IGL00507:Csn2 APN 5 87,842,632 (GRCm39) missense probably benign 0.01
IGL01458:Csn2 APN 5 87,843,879 (GRCm39) splice site probably benign
IGL01526:Csn2 APN 5 87,842,838 (GRCm39) missense possibly damaging 0.92
IGL01588:Csn2 APN 5 87,842,508 (GRCm39) missense probably benign 0.08
IGL02034:Csn2 APN 5 87,843,941 (GRCm39) splice site probably benign
IGL02277:Csn2 APN 5 87,845,881 (GRCm39) splice site probably benign
IGL03267:Csn2 APN 5 87,845,930 (GRCm39) missense possibly damaging 0.85
R0730:Csn2 UTSW 5 87,842,811 (GRCm39) missense possibly damaging 0.85
R1055:Csn2 UTSW 5 87,842,596 (GRCm39) missense possibly damaging 0.93
R1488:Csn2 UTSW 5 87,842,755 (GRCm39) nonsense probably null
R2076:Csn2 UTSW 5 87,844,033 (GRCm39) missense probably damaging 0.99
R4039:Csn2 UTSW 5 87,845,935 (GRCm39) start codon destroyed probably null 0.33
R5207:Csn2 UTSW 5 87,842,821 (GRCm39) nonsense probably null
R5362:Csn2 UTSW 5 87,842,508 (GRCm39) missense probably benign 0.01
R6191:Csn2 UTSW 5 87,843,885 (GRCm39) critical splice donor site probably null
R6600:Csn2 UTSW 5 87,842,491 (GRCm39) missense probably benign 0.25
R7983:Csn2 UTSW 5 87,842,356 (GRCm39) missense probably benign 0.14
R8054:Csn2 UTSW 5 87,845,886 (GRCm39) critical splice donor site probably null
R9165:Csn2 UTSW 5 87,842,418 (GRCm39) missense possibly damaging 0.71
R9561:Csn2 UTSW 5 87,842,794 (GRCm39) missense probably benign 0.44
R9785:Csn2 UTSW 5 87,842,502 (GRCm39) missense possibly damaging 0.80
Z1088:Csn2 UTSW 5 87,843,868 (GRCm39) intron probably benign
Predicted Primers PCR Primer
(F):5'- TGCACATGTGAGTCTACTTTTGC -3'
(R):5'- CTGCAGCTGAAGTCTGAGTGTAG -3'

Sequencing Primer
(F):5'- GCAAAGTCATTTTTACTCGATGC -3'
(R):5'- AGCTGAAGTCTGAGTGTAGTGTTTAG -3'
Posted On 2015-06-24