Incidental Mutation 'R8695:Lamb2'
ID 668630
Institutional Source Beutler Lab
Gene Symbol Lamb2
Ensembl Gene ENSMUSG00000052911
Gene Name laminin, beta 2
Synonyms Lams, npht, Lamb-2
MMRRC Submission 068549-MU
Accession Numbers
Essential gene? Probably essential (E-score: 0.854) question?
Stock # R8695 (G1)
Quality Score 225.009
Status Validated
Chromosome 9
Chromosomal Location 108357080-108367729 bp(+) (GRCm39)
Type of Mutation missense
DNA Base Change (assembly) G to A at 108363365 bp (GRCm39)
Zygosity Heterozygous
Amino Acid Change Serine to Asparagine at position 848 (S848N)
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: S848N

PolyPhen 2 Score 0.081 (Sensitivity: 0.93; Specificity: 0.85)
SMART Domains Protein: ENSMUSP00000069087
Gene: ENSMUSG00000052911
AA Change: S848N

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: 100.0%
  • 3x: 100.0%
  • 10x: 99.8%
  • 20x: 99.5%
Validation Efficiency 100% (78/78)
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: 78 list
GeneRefVarChr/LocMutationPredicted EffectZygosity
4921524J17Rik A G 8: 86,138,870 (GRCm39) I73T probably benign Het
4930556J24Rik A G 11: 3,926,192 (GRCm39) probably benign Het
Ace A G 11: 105,875,971 (GRCm39) T1010A probably benign Het
Adam20 A T 8: 41,248,865 (GRCm39) Y325F probably benign Het
Aff4 A C 11: 53,259,509 (GRCm39) N7H probably damaging Het
Apob A T 12: 8,057,830 (GRCm39) D2104V probably damaging Het
Asap3 T C 4: 135,965,722 (GRCm39) S411P probably benign Het
Atxn1l C T 8: 110,458,462 (GRCm39) G600D probably damaging Het
Brd3 A T 2: 27,352,558 (GRCm39) M124K probably benign Het
Bsx A G 9: 40,785,484 (GRCm39) N4S probably damaging Het
Ccdc125 T C 13: 100,814,552 (GRCm39) I44T probably benign Het
Ccdc141 G A 2: 76,879,963 (GRCm39) T620I probably benign Het
Ccdc178 T A 18: 22,157,809 (GRCm39) I550F probably benign Het
Ccdc77 G T 6: 120,318,962 (GRCm39) T163N probably damaging Het
Cd55 A T 1: 130,380,273 (GRCm39) I235K probably benign Het
Cdc123 A T 2: 5,826,174 (GRCm39) M118K possibly damaging Het
Cep192 A T 18: 67,951,958 (GRCm39) K378* probably null Het
Chd7 C T 4: 8,850,812 (GRCm39) R1733C probably damaging Het
Crybg2 A T 4: 133,792,766 (GRCm39) S134C possibly damaging Het
Cyp2d26 A G 15: 82,676,907 (GRCm39) probably benign Het
D430041D05Rik A G 2: 104,085,299 (GRCm39) probably null Het
Dyrk2 A T 10: 118,696,922 (GRCm39) V112E probably benign Het
Eppk1 A G 15: 75,994,598 (GRCm39) L761P probably benign Het
Evpl T C 11: 116,114,489 (GRCm39) K1067R probably benign Het
Fancm C A 12: 65,171,947 (GRCm39) D1862E probably damaging Het
Fhl2 A G 1: 43,167,571 (GRCm39) V174A probably damaging Het
Gemin4 A T 11: 76,102,656 (GRCm39) C702S probably damaging Het
Ggnbp2 T A 11: 84,760,767 (GRCm39) D10V possibly damaging Het
Glul T C 1: 153,778,769 (GRCm39) V26A probably benign Het
Gml2 A G 15: 74,696,089 (GRCm39) N161S probably benign Het
Gnao1 C A 8: 94,682,795 (GRCm39) T327K probably damaging Het
Gpr179 A G 11: 97,227,124 (GRCm39) V1677A possibly damaging Het
Greb1l A T 18: 10,544,450 (GRCm39) H1348L probably benign Het
Grm8 T C 6: 28,126,030 (GRCm39) H32R probably benign Het
Hk2 T A 6: 82,716,627 (GRCm39) M302L probably benign Het
Hnrnpm C A 17: 33,877,884 (GRCm39) M333I probably benign Het
Hsd3b1 A G 3: 98,760,223 (GRCm39) I256T probably damaging Het
Irx5 G A 8: 93,087,327 (GRCm39) G420R probably damaging Het
Krt87 A G 15: 101,331,901 (GRCm39) V279A probably benign Het
Lypd10 A T 7: 24,413,203 (GRCm39) H174L probably benign Het
Mc1r A T 8: 124,135,116 (GRCm39) T290S probably benign Het
Or10d4 A T 9: 39,580,376 (GRCm39) T8S probably benign Het
Or52n2c A T 7: 104,574,146 (GRCm39) V275D probably benign Het
Or52z1 A T 7: 103,436,729 (GRCm39) C252S possibly damaging Het
Or6c202 T A 10: 128,996,233 (GRCm39) T207S probably damaging Het
Pex6 T C 17: 47,022,975 (GRCm39) S184P probably damaging Het
Pglyrp3 A T 3: 91,933,762 (GRCm39) S136C probably null Het
Pik3r1 A G 13: 101,894,062 (GRCm39) S36P probably benign Het
Pomt2 G T 12: 87,156,790 (GRCm39) T782K probably benign Het
Ppfibp2 A G 7: 107,285,063 (GRCm39) probably benign Het
Prdm9 T C 17: 15,765,019 (GRCm39) H587R probably damaging Het
Prp2 A G 6: 132,576,932 (GRCm39) Q73R unknown Het
Psmb4 T C 3: 94,793,435 (GRCm39) N149D probably benign Het
Ptprj A T 2: 90,301,481 (GRCm39) I217N possibly damaging Het
Rasal3 A G 17: 32,611,736 (GRCm39) F797S possibly damaging Het
Rsrp1 T A 4: 134,652,610 (GRCm39) M188K probably damaging Het
Senp8 A G 9: 59,644,499 (GRCm39) I219T probably damaging Het
Serpinb10 A T 1: 107,468,630 (GRCm39) N91I probably damaging Het
Skint4 C T 4: 111,975,264 (GRCm39) R75C probably damaging Het
Slc25a48 C A 13: 56,612,825 (GRCm39) A241E probably damaging Het
Slc39a6 C A 18: 24,736,811 (GRCm39) probably benign Het
Smarcc1 G A 9: 110,002,972 (GRCm39) R354H probably damaging Het
Spata21 G C 4: 140,838,755 (GRCm39) probably null Het
Sptbn2 A G 19: 4,796,724 (GRCm39) E1774G possibly damaging Het
Tep1 A T 14: 51,082,894 (GRCm39) F1038Y possibly damaging Het
Thbs2 T A 17: 14,899,963 (GRCm39) D638V probably benign Het
Tmem161a G T 8: 70,627,047 (GRCm39) C33F probably damaging Het
Trim47 T C 11: 116,000,926 (GRCm39) S41G probably benign Het
Trim56 T A 5: 137,143,429 (GRCm39) H29L probably benign Het
Ugt2b35 T A 5: 87,156,064 (GRCm39) H385Q probably damaging Het
Ugt2b37 T A 5: 87,390,243 (GRCm39) H401L probably benign Het
Usp44 A C 10: 93,682,365 (GRCm39) T272P probably damaging Het
Usp46 C T 5: 74,189,897 (GRCm39) E156K probably benign Het
Vmn1r232 T C 17: 21,134,109 (GRCm39) K164E probably benign Het
Zan T A 5: 137,385,217 (GRCm39) N5072I unknown Het
Zfp318 T C 17: 46,723,576 (GRCm39) S1860P probably benign Het
Zfp616 C T 11: 73,975,710 (GRCm39) R660W probably benign Het
Zfp870 C T 17: 33,102,679 (GRCm39) V217I possibly damaging 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
R8125:Lamb2 UTSW 9 108,364,722 (GRCm39) missense probably benign
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
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'- CTGGCTACTATGGCTTTGGC -3'
(R):5'- AACCACCGTAGCTGCTCTAG -3'

Sequencing Primer
(F):5'- CCTGCAGGCTGTCAAGGTATTTG -3'
(R):5'- GTAGCTGCTCTAGGCTCAC -3'
Posted On 2021-04-30