Incidental Mutation 'R8125:Lamb2'
ID 631709
Institutional Source Beutler Lab
Gene Symbol Lamb2
Ensembl Gene ENSMUSG00000052911
Gene Name laminin, beta 2
Synonyms Lams, npht, Lamb-2
MMRRC Submission 067554-MU
Accession Numbers
Essential gene? Probably essential (E-score: 0.854) question?
Stock # R8125 (G1)
Quality Score 225.009
Status Validated
Chromosome 9
Chromosomal Location 108357080-108367729 bp(+) (GRCm39)
Type of Mutation missense
DNA Base Change (assembly) T to G at 108364722 bp (GRCm39)
Zygosity Heterozygous
Amino Acid Change Serine to Alanine at position 1159 (S1159A)
Ref Sequence ENSEMBL: ENSMUSP00000069087 (fasta)
Gene Model predicted gene model for transcript(s): [ENSMUST00000006854] [ENSMUST00000065014] [ENSMUST00000085044] [ENSMUST00000166103] [ENSMUST00000178075] [ENSMUST00000193678]
AlphaFold Q61292
Predicted Effect probably benign
Transcript: ENSMUST00000006854
SMART Domains Protein: ENSMUSP00000006854
Gene: ENSMUSG00000006676

DomainStartEndE-ValueType
Pfam:CS 55 129 1.3e-6 PFAM
low complexity region 257 268 N/A INTRINSIC
Pfam:CS 326 414 7.1e-19 PFAM
Pfam:USP19_linker 415 537 2.2e-61 PFAM
Pfam:UCH 538 1253 1.2e-77 PFAM
Pfam:UCH_1 539 874 8.6e-11 PFAM
Pfam:zf-MYND 833 875 9.9e-11 PFAM
Pfam:UCH_1 1021 1235 7.1e-10 PFAM
low complexity region 1278 1287 N/A INTRINSIC
low complexity region 1301 1312 N/A INTRINSIC
transmembrane domain 1333 1355 N/A INTRINSIC
Predicted Effect probably benign
Transcript: ENSMUST00000065014
AA Change: S1159A

PolyPhen 2 Score 0.000 (Sensitivity: 1.00; Specificity: 0.00)
SMART Domains Protein: ENSMUSP00000069087
Gene: ENSMUSG00000052911
AA Change: S1159A

DomainStartEndE-ValueType
signal peptide 1 35 N/A INTRINSIC
LamNT 44 284 1.9e-102 SMART
EGF_Lam 286 347 1.34e-6 SMART
EGF_Lam 350 410 6.1e-10 SMART
EGF_Lam 413 470 2.98e-13 SMART
EGF_Lam 473 522 7.93e-9 SMART
EGF_Lam 525 569 1.01e-10 SMART
EGF_Lam 784 829 3.42e-13 SMART
EGF_Lam 832 875 6.54e-10 SMART
EGF_Lam 878 925 1.34e-6 SMART
EGF_Lam 928 984 4.74e-7 SMART
EGF_Lam 987 1036 1.53e-10 SMART
EGF_Lam 1039 1093 6.29e-12 SMART
EGF_Lam 1096 1141 1.79e-7 SMART
EGF_Lam 1144 1188 6.64e-11 SMART
coiled coil region 1261 1299 N/A INTRINSIC
low complexity region 1445 1458 N/A INTRINSIC
coiled coil region 1473 1527 N/A INTRINSIC
low complexity region 1609 1625 N/A INTRINSIC
SCOP:d1eq1a_ 1632 1786 5e-17 SMART
Predicted Effect probably benign
Transcript: ENSMUST00000085044
SMART Domains Protein: ENSMUSP00000082119
Gene: ENSMUSG00000006676

DomainStartEndE-ValueType
Pfam:CS 55 129 4.7e-7 PFAM
low complexity region 257 268 N/A INTRINSIC
Pfam:CS 326 414 2.5e-15 PFAM
low complexity region 449 460 N/A INTRINSIC
low complexity region 524 530 N/A INTRINSIC
Pfam:UCH 538 1253 7.4e-84 PFAM
Pfam:UCH_1 539 879 2.3e-13 PFAM
Pfam:zf-MYND 833 875 2.4e-10 PFAM
Pfam:UCH_1 1020 1235 2.9e-11 PFAM
Predicted Effect probably benign
Transcript: ENSMUST00000166103
SMART Domains Protein: ENSMUSP00000128573
Gene: ENSMUSG00000006676

DomainStartEndE-ValueType
Pfam:CS 55 129 2.6e-7 PFAM
low complexity region 257 268 N/A INTRINSIC
Pfam:CS 326 390 3.9e-9 PFAM
low complexity region 425 436 N/A INTRINSIC
low complexity region 500 506 N/A INTRINSIC
Pfam:UCH 514 1229 1.8e-84 PFAM
Pfam:UCH_1 515 855 5.5e-14 PFAM
Pfam:zf-MYND 809 851 1.7e-10 PFAM
Pfam:UCH_1 996 1211 6.9e-12 PFAM
Predicted Effect probably benign
Transcript: ENSMUST00000178075
SMART Domains Protein: ENSMUSP00000135930
Gene: ENSMUSG00000006676

DomainStartEndE-ValueType
Pfam:CS 55 129 1e-6 PFAM
low complexity region 258 269 N/A INTRINSIC
Pfam:CS 327 415 5.4e-15 PFAM
low complexity region 450 461 N/A INTRINSIC
low complexity region 525 531 N/A INTRINSIC
Pfam:UCH 539 1254 4.9e-84 PFAM
Pfam:UCH_1 540 880 1.4e-13 PFAM
Pfam:zf-MYND 834 876 5.2e-10 PFAM
Pfam:UCH_1 1021 1236 1.8e-11 PFAM
Predicted Effect probably benign
Transcript: ENSMUST00000193678
SMART Domains Protein: ENSMUSP00000141738
Gene: ENSMUSG00000006676

DomainStartEndE-ValueType
Pfam:CS 55 129 6.8e-7 PFAM
low complexity region 258 269 N/A INTRINSIC
Pfam:CS 327 415 3.6e-15 PFAM
low complexity region 448 459 N/A INTRINSIC
low complexity region 523 529 N/A INTRINSIC
Pfam:UCH 537 1252 3.8e-84 PFAM
Pfam:UCH_1 538 878 1.1e-13 PFAM
Pfam:zf-MYND 832 874 5.1e-10 PFAM
Pfam:UCH_1 1019 1234 1.4e-11 PFAM
Coding Region Coverage
  • 1x: 99.8%
  • 3x: 99.6%
  • 10x: 98.9%
  • 20x: 97.0%
Validation Efficiency 100% (72/72)
MGI Phenotype FUNCTION: [Summary is not available for the mouse gene. This summary is for the human ortholog.] Laminins, a family of extracellular matrix glycoproteins, are the major noncollagenous constituent of basement membranes. They have been implicated in a wide variety of biological processes including cell adhesion, differentiation, migration, signaling, neurite outgrowth and metastasis. Laminins, composed of 3 non identical chains: laminin alpha, beta and gamma (formerly A, B1, and B2, respectively), form a cruciform structure consisting of 3 short arms, each formed by a different chain, and a long arm composed of all 3 chains. Each laminin chain is a multidomain protein encoded by a distinct gene. Several isoforms of each chain have been described. Different alpha, beta and gamma chain isomers combine to give rise to different heterotrimeric laminin isoforms which are designated by Arabic numerals in the order of their discovery, i.e. alpha1beta1gamma1 heterotrimer is laminin 1. The biological functions of the different chains and trimer molecules are largely unknown, but some of the chains have been shown to differ with respect to their tissue distribution, presumably reflecting diverse functions in vivo. This gene encodes the beta chain isoform laminin, beta 2. The beta 2 chain contains the 7 structural domains typical of beta chains of laminin, including the short alpha region. However, unlike beta 1 chain, beta 2 has a more restricted tissue distribution. It is enriched in the basement membrane of muscles at the neuromuscular junctions, kidney glomerulus and vascular smooth muscle. Transgenic mice in which the beta 2 chain gene was inactivated by homologous recombination, showed defects in the maturation of neuromuscular junctions and impairment of glomerular filtration. Alternative splicing involving a non consensus 5' splice site (gc) in the 5' UTR of this gene has been reported. It was suggested that inefficient splicing of this first intron, which does not change the protein sequence, results in a greater abundance of the unspliced form of the transcript than the spliced form. The full-length nature of the spliced transcript is not known. [provided by RefSeq, Aug 2011]
PHENOTYPE: Homozygotes for a targeted null mutation exhibit small size, severe proteinuria due to a defect in glomerular filtration, abnormalities of the retina and skeletal neuromuscular synapses, and lethality by 30 days of age. [provided by MGI curators]
Allele List at MGI

All alleles(5) : Targeted, knock-out(2) Gene trapped(3)

Other mutations in this stock
Total: 69 list
GeneRefVarChr/LocMutationPredicted EffectZygosity
2700062C07Rik C A 18: 24,608,709 (GRCm39) T143K probably benign Het
4933434E20Rik T A 3: 89,972,818 (GRCm39) V74D possibly damaging Het
Acot11 C T 4: 106,617,277 (GRCm39) probably null Het
Adam20 A T 8: 41,247,973 (GRCm39) I28L probably benign Het
Adamtsl3 A G 7: 82,099,541 (GRCm39) probably null Het
Adgrv1 A T 13: 81,588,344 (GRCm39) V4414E possibly damaging Het
Ahnak C T 19: 8,989,240 (GRCm39) A3508V possibly damaging Het
Arhgap20 T C 9: 51,738,209 (GRCm39) I235T probably damaging Het
B4galnt3 T C 6: 120,201,554 (GRCm39) T164A probably damaging Het
Brip1 A G 11: 86,077,817 (GRCm39) S204P possibly damaging Het
Ccdc185 C A 1: 182,574,835 (GRCm39) S618I probably benign Het
Ckap5 T A 2: 91,406,614 (GRCm39) I805K probably damaging Het
Clpsl2 G A 17: 28,769,702 (GRCm39) G55R probably damaging Het
Cmtm2a A T 8: 105,019,343 (GRCm39) I82N probably damaging Het
Corin T A 5: 72,515,806 (GRCm39) H416L probably damaging Het
Csnk2a2 G A 8: 96,182,575 (GRCm39) P296L Het
Cygb T A 11: 116,540,116 (GRCm39) T178S probably benign Het
Dchs1 T C 7: 105,414,089 (GRCm39) T909A possibly damaging Het
Ddx60 C T 8: 62,436,945 (GRCm39) A965V probably benign Het
Dmbt1 A G 7: 130,700,953 (GRCm39) T1218A unknown Het
Ebf1 T C 11: 44,863,742 (GRCm39) I364T probably damaging Het
Efcab10 C A 12: 33,448,313 (GRCm39) R49S probably damaging Het
Eif2b1 G A 5: 124,717,162 (GRCm39) probably benign Het
Evl C T 12: 108,647,783 (GRCm39) R295* probably null Het
Gm49358 T A 10: 86,656,857 (GRCm39) F273Y Het
Gria2 T A 3: 80,614,550 (GRCm39) I497F possibly damaging Het
Ipo9 T C 1: 135,331,078 (GRCm39) T426A probably benign Het
Klhl11 T C 11: 100,354,811 (GRCm39) I337V probably benign Het
Krtap19-5 A T 16: 88,693,236 (GRCm39) Y25* probably null Het
Mpig6b A T 17: 35,284,328 (GRCm39) L154Q probably damaging Het
Mrpl28 T C 17: 26,343,594 (GRCm39) I118T probably damaging Het
Msh3 A T 13: 92,435,690 (GRCm39) N536K probably benign Het
Mtcl3 T C 10: 29,072,894 (GRCm39) S729P probably damaging Het
Myh8 A G 11: 67,190,598 (GRCm39) K1308E possibly damaging Het
Nav3 C A 10: 109,688,520 (GRCm39) G586W probably damaging Het
Ncoa7 T C 10: 30,570,087 (GRCm39) K291E possibly damaging Het
Nr5a1 C T 2: 38,591,993 (GRCm39) V327I probably damaging Het
Nup85 TACAAGACAA TACAA 11: 115,469,063 (GRCm39) probably null Het
Or1o4 A T 17: 37,590,935 (GRCm39) H125Q probably benign Het
Or4f4-ps1 A T 2: 111,330,332 (GRCm39) D245V possibly damaging Het
Or4g17 T C 2: 111,210,086 (GRCm39) V247A probably damaging Het
Pard3b T C 1: 61,807,143 (GRCm39) Y53H probably damaging Het
Pcyox1l G A 18: 61,840,576 (GRCm39) P26L unknown Het
Pdzrn4 A G 15: 92,641,476 (GRCm39) S391G probably damaging Het
Pfn4 T A 12: 4,825,487 (GRCm39) M108K probably damaging Het
Pibf1 C T 14: 99,416,803 (GRCm39) Q459* probably null Het
Pkd1l1 C T 11: 8,897,241 (GRCm39) C556Y probably damaging Het
Plin1 A G 7: 79,379,599 (GRCm39) F84L possibly damaging Het
Rasa3 A G 8: 13,627,801 (GRCm39) probably null Het
Sdc1 G A 12: 8,840,663 (GRCm39) V143I probably benign Het
Skic3 T C 13: 76,278,446 (GRCm39) probably null Het
Skor2 C A 18: 76,947,373 (GRCm39) A365E unknown Het
Slc16a7 A G 10: 125,164,202 (GRCm39) probably null Het
Slc25a31 T A 3: 40,663,573 (GRCm39) V51E probably damaging Het
Slc6a6 C A 6: 91,703,087 (GRCm39) F153L probably damaging Het
Snx7 T A 3: 117,630,894 (GRCm39) K238M probably damaging Het
Spata3 C T 1: 85,952,075 (GRCm39) R110C unknown Het
Spata31f3 A G 4: 42,873,051 (GRCm39) L80P probably damaging Het
Sphkap T G 1: 83,241,303 (GRCm39) Q1587P probably damaging Het
Tcte1 T C 17: 45,850,618 (GRCm39) I298T possibly damaging Het
Tmem247 A G 17: 87,229,795 (GRCm39) Y120C Het
Togaram2 C G 17: 72,023,489 (GRCm39) L802V probably benign Het
Trim32 T C 4: 65,532,199 (GRCm39) V252A probably benign Het
Ube2q2l T G 6: 136,378,184 (GRCm39) R215S possibly damaging Het
Vat1 T C 11: 101,351,029 (GRCm39) K404R probably benign Het
Xirp2 C A 2: 67,342,379 (GRCm39) T1540K probably benign Het
Zc2hc1c C T 12: 85,343,386 (GRCm39) H508Y probably damaging Het
Zfp407 A T 18: 84,579,310 (GRCm39) M601K probably damaging Het
Zfp951 A T 5: 104,963,169 (GRCm39) Y132* probably null Het
Other mutations in Lamb2
AlleleSourceChrCoordTypePredicted EffectPPH Score
IGL01370:Lamb2 APN 9 108,364,932 (GRCm39) splice site probably null
IGL02072:Lamb2 APN 9 108,359,107 (GRCm39) nonsense probably null
IGL02079:Lamb2 APN 9 108,359,312 (GRCm39) missense probably damaging 1.00
IGL02087:Lamb2 APN 9 108,364,318 (GRCm39) missense possibly damaging 0.95
IGL02193:Lamb2 APN 9 108,366,559 (GRCm39) missense probably benign 0.00
IGL02199:Lamb2 APN 9 108,357,824 (GRCm39) missense possibly damaging 0.49
IGL02201:Lamb2 APN 9 108,364,741 (GRCm39) missense probably damaging 1.00
IGL02468:Lamb2 APN 9 108,364,348 (GRCm39) missense probably damaging 1.00
F6893:Lamb2 UTSW 9 108,359,755 (GRCm39) missense probably benign 0.12
R0053:Lamb2 UTSW 9 108,363,936 (GRCm39) nonsense probably null
R0053:Lamb2 UTSW 9 108,363,936 (GRCm39) nonsense probably null
R0122:Lamb2 UTSW 9 108,363,713 (GRCm39) missense probably benign 0.01
R0452:Lamb2 UTSW 9 108,363,553 (GRCm39) unclassified probably benign
R0524:Lamb2 UTSW 9 108,361,571 (GRCm39) missense possibly damaging 0.90
R0605:Lamb2 UTSW 9 108,363,304 (GRCm39) unclassified probably benign
R0737:Lamb2 UTSW 9 108,360,993 (GRCm39) missense probably benign 0.03
R1083:Lamb2 UTSW 9 108,360,892 (GRCm39) missense probably benign
R1159:Lamb2 UTSW 9 108,358,607 (GRCm39) missense probably damaging 1.00
R1283:Lamb2 UTSW 9 108,359,007 (GRCm39) missense possibly damaging 0.46
R1507:Lamb2 UTSW 9 108,367,581 (GRCm39) missense probably damaging 1.00
R1547:Lamb2 UTSW 9 108,359,824 (GRCm39) missense probably benign 0.00
R1576:Lamb2 UTSW 9 108,357,506 (GRCm39) missense probably damaging 0.96
R1647:Lamb2 UTSW 9 108,358,622 (GRCm39) critical splice donor site probably null
R1678:Lamb2 UTSW 9 108,360,885 (GRCm39) critical splice acceptor site probably null
R1740:Lamb2 UTSW 9 108,359,127 (GRCm39) missense probably damaging 1.00
R1803:Lamb2 UTSW 9 108,365,298 (GRCm39) missense probably benign
R1846:Lamb2 UTSW 9 108,364,586 (GRCm39) missense probably benign 0.00
R1863:Lamb2 UTSW 9 108,358,583 (GRCm39) missense probably benign 0.13
R2184:Lamb2 UTSW 9 108,357,752 (GRCm39) missense probably damaging 1.00
R2262:Lamb2 UTSW 9 108,357,809 (GRCm39) missense probably damaging 1.00
R2338:Lamb2 UTSW 9 108,359,340 (GRCm39) missense probably benign 0.20
R2483:Lamb2 UTSW 9 108,357,758 (GRCm39) missense probably damaging 1.00
R4084:Lamb2 UTSW 9 108,365,217 (GRCm39) missense probably benign 0.17
R4164:Lamb2 UTSW 9 108,367,497 (GRCm39) missense probably damaging 1.00
R4295:Lamb2 UTSW 9 108,363,410 (GRCm39) missense probably benign 0.42
R4422:Lamb2 UTSW 9 108,360,754 (GRCm39) missense probably damaging 0.99
R4497:Lamb2 UTSW 9 108,363,997 (GRCm39) missense probably damaging 1.00
R4880:Lamb2 UTSW 9 108,361,226 (GRCm39) splice site probably null
R4935:Lamb2 UTSW 9 108,364,700 (GRCm39) missense possibly damaging 0.93
R4977:Lamb2 UTSW 9 108,364,846 (GRCm39) missense probably damaging 0.99
R5152:Lamb2 UTSW 9 108,364,937 (GRCm39) missense probably benign
R5499:Lamb2 UTSW 9 108,365,001 (GRCm39) missense possibly damaging 0.50
R5724:Lamb2 UTSW 9 108,357,950 (GRCm39) splice site probably null
R5932:Lamb2 UTSW 9 108,357,810 (GRCm39) missense probably damaging 1.00
R5997:Lamb2 UTSW 9 108,357,587 (GRCm39) missense possibly damaging 0.65
R6052:Lamb2 UTSW 9 108,364,811 (GRCm39) nonsense probably null
R6142:Lamb2 UTSW 9 108,362,817 (GRCm39) nonsense probably null
R6245:Lamb2 UTSW 9 108,365,398 (GRCm39) splice site probably null
R6531:Lamb2 UTSW 9 108,360,925 (GRCm39) missense possibly damaging 0.78
R6557:Lamb2 UTSW 9 108,365,599 (GRCm39) missense probably damaging 1.00
R6562:Lamb2 UTSW 9 108,364,207 (GRCm39) missense possibly damaging 0.56
R6997:Lamb2 UTSW 9 108,358,496 (GRCm39) missense probably damaging 1.00
R7024:Lamb2 UTSW 9 108,366,687 (GRCm39) missense probably benign 0.00
R7116:Lamb2 UTSW 9 108,364,522 (GRCm39) missense probably damaging 1.00
R7146:Lamb2 UTSW 9 108,361,283 (GRCm39) missense possibly damaging 0.94
R7261:Lamb2 UTSW 9 108,358,496 (GRCm39) missense probably damaging 1.00
R7288:Lamb2 UTSW 9 108,365,523 (GRCm39) missense probably benign 0.20
R7404:Lamb2 UTSW 9 108,364,782 (GRCm39) missense probably damaging 1.00
R7456:Lamb2 UTSW 9 108,362,979 (GRCm39) missense possibly damaging 0.95
R7472:Lamb2 UTSW 9 108,363,347 (GRCm39) missense probably benign 0.01
R7623:Lamb2 UTSW 9 108,366,423 (GRCm39) missense possibly damaging 0.62
R8153:Lamb2 UTSW 9 108,357,845 (GRCm39) missense probably damaging 0.99
R8154:Lamb2 UTSW 9 108,357,845 (GRCm39) missense probably damaging 0.99
R8155:Lamb2 UTSW 9 108,357,845 (GRCm39) missense probably damaging 0.99
R8156:Lamb2 UTSW 9 108,357,845 (GRCm39) missense probably damaging 0.99
R8157:Lamb2 UTSW 9 108,357,845 (GRCm39) missense probably damaging 0.99
R8419:Lamb2 UTSW 9 108,365,563 (GRCm39) missense probably benign 0.00
R8695:Lamb2 UTSW 9 108,363,365 (GRCm39) missense probably benign 0.08
R8825:Lamb2 UTSW 9 108,362,460 (GRCm39) missense probably benign 0.01
R9005:Lamb2 UTSW 9 108,361,370 (GRCm39) critical splice donor site probably null
R9315:Lamb2 UTSW 9 108,364,366 (GRCm39) missense possibly damaging 0.77
R9398:Lamb2 UTSW 9 108,364,366 (GRCm39) missense possibly damaging 0.77
R9419:Lamb2 UTSW 9 108,356,959 (GRCm39) missense unknown
R9450:Lamb2 UTSW 9 108,357,760 (GRCm39) nonsense probably null
R9495:Lamb2 UTSW 9 108,358,006 (GRCm39) missense probably damaging 1.00
R9514:Lamb2 UTSW 9 108,358,006 (GRCm39) missense probably damaging 1.00
R9529:Lamb2 UTSW 9 108,363,477 (GRCm39) missense probably benign 0.05
R9532:Lamb2 UTSW 9 108,365,830 (GRCm39) missense probably damaging 1.00
R9534:Lamb2 UTSW 9 108,365,830 (GRCm39) missense probably damaging 1.00
R9734:Lamb2 UTSW 9 108,365,830 (GRCm39) missense probably damaging 1.00
Z1176:Lamb2 UTSW 9 108,360,100 (GRCm39) missense probably damaging 1.00
Predicted Primers PCR Primer
(F):5'- GTTCTGAGTGCCAAGAGCTC -3'
(R):5'- AAAGCTGCTCTCAAAGGCAC -3'

Sequencing Primer
(F):5'- TCTGAGTGCCAAGAGCTCTACTG -3'
(R):5'- TGCTGCAACTCCTGAGC -3'
Posted On 2020-06-30