Incidental Mutation 'R7116:Lamb2'
ID 551783
Institutional Source Beutler Lab
Gene Symbol Lamb2
Ensembl Gene ENSMUSG00000052911
Gene Name laminin, beta 2
Synonyms Lams, npht, Lamb-2
MMRRC Submission 045207-MU
Accession Numbers
Essential gene? Probably essential (E-score: 0.854) question?
Stock # R7116 (G1)
Quality Score 225.009
Status Not validated
Chromosome 9
Chromosomal Location 108357080-108367729 bp(+) (GRCm39)
Type of Mutation missense
DNA Base Change (assembly) T to C at 108364522 bp (GRCm39)
Zygosity Heterozygous
Amino Acid Change Phenylalanine to Leucine at position 1121 (F1121L)
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 damaging
Transcript: ENSMUST00000065014
AA Change: F1121L

PolyPhen 2 Score 1.000 (Sensitivity: 0.00; Specificity: 1.00)
SMART Domains Protein: ENSMUSP00000069087
Gene: ENSMUSG00000052911
AA Change: F1121L

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: 99.9%
  • 10x: 99.6%
  • 20x: 98.8%
Validation Efficiency
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: 59 list
GeneRefVarChr/LocMutationPredicted EffectZygosity
Actn1 A G 12: 80,251,751 (GRCm39) S109P probably damaging Het
Afg3l1 T G 8: 124,216,601 (GRCm39) L280R probably damaging Het
Akap13 T A 7: 75,369,943 (GRCm39) S129T probably benign Het
Ankrd11 A G 8: 123,622,869 (GRCm39) S328P probably damaging Het
Aox3 A T 1: 58,192,689 (GRCm39) E554D probably benign Het
Bcl11a T C 11: 24,113,839 (GRCm39) V394A probably damaging Het
Cass4 A G 2: 172,269,889 (GRCm39) Y657C unknown Het
Ccdc88a C T 11: 29,454,051 (GRCm39) A1738V probably benign Het
Cfap74 T C 4: 155,539,518 (GRCm39) F948L unknown Het
Chgb A T 2: 132,623,237 (GRCm39) probably benign Het
Coro1c C T 5: 113,990,267 (GRCm39) W138* probably null Het
Dgkb A G 12: 38,031,989 (GRCm39) Q17R probably benign Het
Esco2 A G 14: 66,064,006 (GRCm39) Y393H probably damaging Het
Eya3 T A 4: 132,422,110 (GRCm39) D228E probably benign Het
Fat2 T C 11: 55,173,162 (GRCm39) D2517G probably damaging Het
Fry T A 5: 150,319,334 (GRCm39) probably null Het
Gal3st2b A T 1: 93,868,498 (GRCm39) Q243L possibly damaging Het
Gimap9 C T 6: 48,654,989 (GRCm39) A192V probably benign Het
Glg1 T A 8: 111,905,589 (GRCm39) Q564L probably benign Het
H2-Aa A T 17: 34,502,601 (GRCm39) Y188* probably null Het
Hira T C 16: 18,730,864 (GRCm39) Y188H probably damaging Het
Ighv8-8 C T 12: 115,257,814 (GRCm39) D76N probably benign Het
Irf6 T C 1: 192,849,905 (GRCm39) F276L probably damaging Het
Itpr1 T C 6: 108,458,229 (GRCm39) C2000R probably damaging Het
Jakmip3 T C 7: 138,621,979 (GRCm39) V293A possibly damaging Het
Kcnh7 A G 2: 62,707,614 (GRCm39) V132A probably benign Het
Kcnj1 A G 9: 32,308,277 (GRCm39) T234A possibly damaging Het
Kpna3 T A 14: 61,605,635 (GRCm39) N470I probably benign Het
Lingo1 T C 9: 56,527,911 (GRCm39) D232G probably benign Het
Lpxn T A 19: 12,788,622 (GRCm39) N70K probably benign Het
Ltbp4 T A 7: 27,004,852 (GRCm39) H1657L probably damaging Het
Luzp2 C A 7: 54,915,078 (GRCm39) F334L possibly damaging Het
Mgat5b A T 11: 116,835,785 (GRCm39) S142C possibly damaging Het
Mroh7 G A 4: 106,568,517 (GRCm39) T396I probably benign Het
Muc5b T C 7: 141,417,487 (GRCm39) S3478P probably benign Het
Nfatc2 A T 2: 168,349,269 (GRCm39) M626K probably benign Het
Nlrp14 A G 7: 106,782,255 (GRCm39) D484G possibly damaging Het
Npc1 T C 18: 12,344,601 (GRCm39) Y423C probably damaging Het
Nrsn1 A G 13: 25,437,388 (GRCm39) I180T probably damaging Het
Or11g25 A T 14: 50,723,025 (GRCm39) I37F probably benign Het
Or51a8 T A 7: 102,549,842 (GRCm39) N89K probably benign Het
Osbpl6 A T 2: 76,426,225 (GRCm39) I935F probably benign Het
Otog T C 7: 45,947,689 (GRCm39) F96L probably damaging Het
Pde1b T C 15: 103,436,745 (GRCm39) L534P possibly damaging Het
Pdzd8 C T 19: 59,288,125 (GRCm39) E1092K probably damaging Het
Pfkl T C 10: 77,837,249 (GRCm39) H108R probably benign Het
Pkhd1l1 G A 15: 44,421,372 (GRCm39) V3047I probably benign Het
Plag1 A T 4: 3,904,812 (GRCm39) C126* probably null Het
Pphln1 T A 15: 93,353,406 (GRCm39) S229T probably benign Het
Pramel5 C T 4: 144,000,451 (GRCm39) D42N possibly damaging Het
Psd3 A G 8: 68,166,390 (GRCm39) V915A probably benign Het
Ptdss1 T A 13: 67,093,391 (GRCm39) I77N probably benign Het
Rsbn1 T A 3: 103,821,892 (GRCm39) C3* probably null Het
Shank1 C T 7: 43,976,585 (GRCm39) A561V unknown Het
Stip1 C T 19: 6,999,178 (GRCm39) G467S possibly damaging Het
Sv2c A T 13: 96,113,152 (GRCm39) V599E probably damaging Het
Vmn2r37 T C 7: 9,220,898 (GRCm39) T322A probably benign Het
Vmn2r60 T A 7: 41,786,487 (GRCm39) M430K probably benign Het
Wipf3 T A 6: 54,458,904 (GRCm39) 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
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
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'- CAACTGTGACCATTGTGCC -3'
(R):5'- AGGATCACAGTCACAGGCTG -3'

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