Incidental Mutation 'R4809:Lamb1'
ID 370933
Institutional Source Beutler Lab
Gene Symbol Lamb1
Ensembl Gene ENSMUSG00000002900
Gene Name laminin B1
Synonyms Lamb-1, D130003D08Rik, C80098, C81607, Lamb1-1
MMRRC Submission 042428-MU
Accession Numbers
Essential gene? Essential (E-score: 1.000) question?
Stock # R4809 (G1)
Quality Score 225
Status Validated
Chromosome 12
Chromosomal Location 31315233-31379643 bp(+) (GRCm39)
Type of Mutation missense
DNA Base Change (assembly) A to G at 31328525 bp (GRCm39)
Zygosity Heterozygous
Amino Acid Change Tyrosine to Cysteine at position 163 (Y163C)
Ref Sequence ENSEMBL: ENSMUSP00000132778 (fasta)
Gene Model predicted gene model for transcript(s): [ENSMUST00000002979] [ENSMUST00000169088]
AlphaFold P02469
PDB Structure Laminin beta1 LN-LE1-4 structure [X-RAY DIFFRACTION]
Predicted Effect probably damaging
Transcript: ENSMUST00000002979
AA Change: Y211C

PolyPhen 2 Score 1.000 (Sensitivity: 0.00; Specificity: 1.00)
SMART Domains Protein: ENSMUSP00000002979
Gene: ENSMUSG00000002900
AA Change: Y211C

DomainStartEndE-ValueType
low complexity region 32 45 N/A INTRINSIC
LamNT 77 317 3.24e-96 SMART
EGF_Lam 319 380 1.34e-6 SMART
EGF_Lam 383 443 1.33e-10 SMART
EGF_Lam 446 503 2.89e-11 SMART
EGF_Lam 506 555 2.89e-11 SMART
EGF_Lam 558 602 3.4e-8 SMART
EGF_Lam 821 866 4.99e-15 SMART
EGF_Lam 869 912 2.38e-12 SMART
EGF_Lam 915 962 2.4e-8 SMART
EGF_Lam 965 1021 1.41e-5 SMART
EGF_Lam 1024 1073 4.81e-8 SMART
EGF_Lam 1076 1129 3.81e-11 SMART
EGF_Lam 1132 1177 5.61e-9 SMART
EGF_Lam 1180 1224 2.89e-11 SMART
coiled coil region 1329 1360 N/A INTRINSIC
low complexity region 1468 1480 N/A INTRINSIC
coiled coil region 1497 1551 N/A INTRINSIC
coiled coil region 1600 1826 N/A INTRINSIC
Predicted Effect noncoding transcript
Transcript: ENSMUST00000164009
Predicted Effect probably damaging
Transcript: ENSMUST00000164919
AA Change: Y211C

PolyPhen 2 Score 1.000 (Sensitivity: 0.00; Specificity: 1.00)
SMART Domains Protein: ENSMUSP00000132616
Gene: ENSMUSG00000002900
AA Change: Y211C

DomainStartEndE-ValueType
low complexity region 32 45 N/A INTRINSIC
LamNT 77 317 3.24e-96 SMART
EGF_Lam 319 380 1.34e-6 SMART
EGF_Lam 383 443 1.33e-10 SMART
EGF_Lam 446 503 2.89e-11 SMART
EGF_Lam 506 555 2.89e-11 SMART
Predicted Effect noncoding transcript
Transcript: ENSMUST00000169065
Predicted Effect probably damaging
Transcript: ENSMUST00000169088
AA Change: Y163C

PolyPhen 2 Score 1.000 (Sensitivity: 0.00; Specificity: 1.00)
SMART Domains Protein: ENSMUSP00000132778
Gene: ENSMUSG00000002900
AA Change: Y163C

DomainStartEndE-ValueType
LamNT 29 269 3.24e-96 SMART
EGF_Lam 271 332 1.34e-6 SMART
EGF_Lam 335 395 1.33e-10 SMART
EGF_Lam 398 455 2.89e-11 SMART
EGF_Lam 458 507 2.89e-11 SMART
EGF_Lam 510 554 3.4e-8 SMART
EGF_Lam 773 818 4.99e-15 SMART
EGF_Lam 821 864 2.38e-12 SMART
EGF_Lam 867 914 2.4e-8 SMART
EGF_Lam 917 973 1.41e-5 SMART
EGF_Lam 976 1025 4.81e-8 SMART
EGF_Lam 1028 1081 3.81e-11 SMART
EGF_Lam 1084 1129 5.61e-9 SMART
EGF_Lam 1132 1176 2.89e-11 SMART
coiled coil region 1281 1312 N/A INTRINSIC
low complexity region 1420 1432 N/A INTRINSIC
coiled coil region 1449 1503 N/A INTRINSIC
coiled coil region 1552 1778 N/A INTRINSIC
Meta Mutation Damage Score 0.9051 question?
Coding Region Coverage
  • 1x: 99.2%
  • 3x: 98.5%
  • 10x: 96.8%
  • 20x: 94.0%
Validation Efficiency 96% (96/100)
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 are composed of 3 non identical chains: laminin alpha, beta and gamma (formerly A, B1, and B2, respectively) and they 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 1. The beta 1 chain has 7 structurally distinct domains which it shares with other beta chain isomers. The C-terminal helical region containing domains I and II are separated by domain alpha, domains III and V contain several EGF-like repeats, and domains IV and VI have a globular conformation. Laminin, beta 1 is expressed in most tissues that produce basement membranes, and is one of the 3 chains constituting laminin 1, the first laminin isolated from Engelbreth-Holm-Swarm (EHS) tumor. A sequence in the beta 1 chain that is involved in cell attachment, chemotaxis, and binding to the laminin receptor was identified and shown to have the capacity to inhibit metastasis. [provided by RefSeq, Aug 2011]
PHENOTYPE: Embryos homozygous for a gene trapped allele lack basement membranes and fail to survive past E5.5. Mice heterozygous for a spontaneous mutation exhibit dystonis with impaired neuron firing. [provided by MGI curators]
Allele List at MGI
Other mutations in this stock
Total: 87 list
GeneRefVarChr/LocMutationPredicted EffectZygosity
3425401B19Rik A G 14: 32,384,588 (GRCm39) V459A probably benign Het
Abca12 C T 1: 71,318,015 (GRCm39) A1840T probably benign Het
Abhd6 T G 14: 8,039,771 (GRCm38) M1R probably null Het
Abl1 T C 2: 31,690,254 (GRCm39) L572P probably damaging Het
Adamts2 C A 11: 50,694,517 (GRCm39) S1101R probably benign Het
Adgra2 G A 8: 27,600,507 (GRCm39) W200* probably null Het
AI661453 C A 17: 47,778,112 (GRCm39) probably benign Het
Aldh1l2 A G 10: 83,342,496 (GRCm39) F438S probably damaging Het
Ankrd49 G A 9: 14,692,510 (GRCm39) T218I possibly damaging Het
Ano7 T C 1: 93,322,288 (GRCm39) F410L probably benign Het
Aox4 T A 1: 58,305,808 (GRCm39) F1271I probably damaging Het
Aqr T C 2: 114,005,695 (GRCm39) probably benign Het
Arhgap42 A G 9: 9,180,118 (GRCm39) S54P probably damaging Het
Aunip C A 4: 134,238,450 (GRCm39) D16E possibly damaging Het
Btbd7 A G 12: 102,760,003 (GRCm39) probably null Het
Cabp4 T C 19: 4,189,290 (GRCm39) H89R probably benign Het
Ccni AAA AAACTAA 5: 93,335,429 (GRCm39) probably benign Het
Chfr C T 5: 110,306,700 (GRCm39) H410Y probably damaging Het
Churc1 C A 12: 76,829,671 (GRCm39) L111M probably damaging Het
Clasp1 C T 1: 118,388,980 (GRCm39) T113I probably benign Het
Col12a1 T A 9: 79,600,849 (GRCm39) Q745L probably benign Het
Col20a1 T C 2: 180,640,454 (GRCm39) L537P probably damaging Het
Creb5 A T 6: 53,587,411 (GRCm39) E47V probably null Het
Csnk1d A T 11: 120,854,668 (GRCm39) probably benign Het
Cts6 A T 13: 61,349,995 (GRCm39) W29R probably damaging Het
Dbt T A 3: 116,339,992 (GRCm39) I420N probably damaging Het
Det1 C A 7: 78,493,555 (GRCm39) D150Y probably damaging Het
Dlk2 A G 17: 46,609,940 (GRCm39) probably null Het
Dnmt3a A T 12: 3,950,352 (GRCm39) I639F probably damaging Het
Dock9 A T 14: 121,784,008 (GRCm39) Y1989N probably benign Het
Dsg4 A T 18: 20,599,678 (GRCm39) T765S possibly damaging Het
Entrep2 G A 7: 64,426,488 (GRCm39) T159I probably damaging Het
Epha5 C T 5: 84,253,750 (GRCm39) D548N possibly damaging Het
Fam227b T A 2: 125,958,045 (GRCm39) Y240F possibly damaging Het
Fbxw21 C T 9: 108,972,458 (GRCm39) V395I probably damaging Het
Fn1 C A 1: 71,691,959 (GRCm39) probably benign Het
Fpr-rs3 A T 17: 20,844,683 (GRCm39) S153T probably benign Het
Frem2 A G 3: 53,561,316 (GRCm39) F1064L probably benign Het
Gas2l3 CACTCGTCATACT CACT 10: 89,266,820 (GRCm39) probably benign Het
Gjd2 C T 2: 113,842,022 (GRCm39) G152R probably damaging Het
Gpr75 T C 11: 30,842,154 (GRCm39) I353T possibly damaging Het
Grb7 T C 11: 98,342,262 (GRCm39) V145A possibly damaging Het
Igkv4-73 G A 6: 69,174,807 (GRCm39) R40W unknown Het
Kif1c C T 11: 70,617,183 (GRCm39) A839V probably benign Het
Krt31 G A 11: 99,940,748 (GRCm39) A125V possibly damaging Het
Mars1 G T 10: 127,136,084 (GRCm39) T535K probably damaging Het
Mdc1 T C 17: 36,159,993 (GRCm39) probably null Het
Micos10 C G 4: 138,858,268 (GRCm39) W10S probably damaging Het
Micu1 C T 10: 59,576,644 (GRCm39) H167Y probably benign Het
Mrgprb1 C T 7: 48,097,739 (GRCm39) V58I possibly damaging Het
Ncoa7 T A 10: 30,647,758 (GRCm39) E6V possibly damaging Het
Nectin3 A C 16: 46,268,523 (GRCm39) probably benign Het
Or13a18 A G 7: 140,190,987 (GRCm39) K295E probably damaging Het
Or4k44 C T 2: 111,367,956 (GRCm39) C226Y probably benign Het
Or52ab7 T A 7: 102,977,730 (GRCm39) Y12* probably null Het
Or8k38 T A 2: 86,488,029 (GRCm39) M258L possibly damaging Het
Pex16 T C 2: 92,206,983 (GRCm39) S54P probably damaging Het
Pik3cg A T 12: 32,254,080 (GRCm39) S636T possibly damaging Het
Plin5 A G 17: 56,423,855 (GRCm39) S27P probably benign Het
Ptch1 A T 13: 63,661,522 (GRCm39) D1068E probably damaging Het
Ptprq T C 10: 107,399,036 (GRCm39) T1960A probably damaging Het
Rap1gap2 T C 11: 74,298,800 (GRCm39) probably benign Het
Rcc2 G A 4: 140,444,353 (GRCm39) R348Q probably damaging Het
Rhbdd3 C A 11: 5,055,949 (GRCm39) A377D probably damaging Het
Rpl7 T G 1: 16,172,189 (GRCm39) probably benign Het
Scn11a G T 9: 119,648,936 (GRCm39) D42E probably benign Het
Scube3 C T 17: 28,384,147 (GRCm39) R549W probably damaging Het
Sil1 A T 18: 35,458,428 (GRCm39) M189K probably damaging Het
Slc39a6 G A 18: 24,718,531 (GRCm39) Q225* probably null Het
Slc7a15 A T 12: 8,589,002 (GRCm39) C182S probably benign Het
Spata21 G A 4: 140,824,431 (GRCm39) probably null Het
Stim2 T C 5: 54,267,955 (GRCm39) V417A probably damaging Het
Szt2 T C 4: 118,246,182 (GRCm39) D993G probably damaging Het
Tet3 A G 6: 83,379,928 (GRCm39) S747P probably benign Het
Tmem86a C G 7: 46,702,678 (GRCm39) S34R possibly damaging Het
Top2b T A 14: 16,383,125 (GRCm38) S38T probably benign Het
Trim33 A T 3: 103,236,572 (GRCm39) T561S possibly damaging Het
Ttc39a C T 4: 109,273,218 (GRCm39) Q25* probably null Het
Urb1 A G 16: 90,556,730 (GRCm39) I1816T possibly damaging Het
Usp24 T C 4: 106,270,873 (GRCm39) probably null Het
Usp36 A C 11: 118,153,896 (GRCm39) L840R probably damaging Het
Usp50 C A 2: 126,619,773 (GRCm39) probably benign Het
Vangl2 A G 1: 171,837,230 (GRCm39) V193A possibly damaging Het
Vmn1r62 T A 7: 5,678,866 (GRCm39) H182Q probably benign Het
Vmn2r124 A T 17: 18,294,007 (GRCm39) Y698F probably benign Het
Wls C T 3: 159,603,082 (GRCm39) T165I probably benign Het
Zfp808 G T 13: 62,319,106 (GRCm39) E112* probably null Het
Other mutations in Lamb1
AlleleSourceChrCoordTypePredicted EffectPPH Score
IGL00932:Lamb1 APN 12 31,348,825 (GRCm39) missense possibly damaging 0.74
IGL00939:Lamb1 APN 12 31,352,926 (GRCm39) missense probably damaging 1.00
IGL01017:Lamb1 APN 12 31,351,063 (GRCm39) missense possibly damaging 0.89
IGL01384:Lamb1 APN 12 31,370,930 (GRCm39) missense probably benign 0.09
IGL01470:Lamb1 APN 12 31,350,261 (GRCm39) missense possibly damaging 0.55
IGL01554:Lamb1 APN 12 31,356,976 (GRCm39) missense probably damaging 1.00
IGL02207:Lamb1 APN 12 31,379,434 (GRCm39) missense probably damaging 1.00
IGL02271:Lamb1 APN 12 31,350,250 (GRCm39) missense probably damaging 1.00
IGL02272:Lamb1 APN 12 31,355,768 (GRCm39) missense probably benign 0.00
IGL02365:Lamb1 APN 12 31,368,344 (GRCm39) missense probably damaging 1.00
IGL02471:Lamb1 APN 12 31,370,907 (GRCm39) missense probably damaging 1.00
IGL02704:Lamb1 APN 12 31,368,466 (GRCm39) missense probably benign 0.05
IGL03132:Lamb1 APN 12 31,350,333 (GRCm39) splice site probably null
IGL03161:Lamb1 APN 12 31,376,255 (GRCm39) missense probably benign 0.41
IGL03169:Lamb1 APN 12 31,373,645 (GRCm39) missense probably damaging 1.00
Crush UTSW 12 31,337,423 (GRCm39) missense probably damaging 1.00
Deflationary UTSW 12 31,371,074 (GRCm39) missense probably null 0.63
E0374:Lamb1 UTSW 12 31,337,929 (GRCm39) missense probably damaging 1.00
P0043:Lamb1 UTSW 12 31,328,620 (GRCm39) missense probably damaging 1.00
R0031:Lamb1 UTSW 12 31,351,155 (GRCm39) missense probably benign 0.04
R0047:Lamb1 UTSW 12 31,328,600 (GRCm39) missense possibly damaging 0.51
R0047:Lamb1 UTSW 12 31,328,600 (GRCm39) missense possibly damaging 0.51
R0285:Lamb1 UTSW 12 31,376,644 (GRCm39) nonsense probably null
R0456:Lamb1 UTSW 12 31,354,729 (GRCm39) missense probably damaging 1.00
R0477:Lamb1 UTSW 12 31,376,268 (GRCm39) missense possibly damaging 0.47
R0480:Lamb1 UTSW 12 31,332,720 (GRCm39) missense possibly damaging 0.79
R0544:Lamb1 UTSW 12 31,332,694 (GRCm39) missense probably damaging 1.00
R0565:Lamb1 UTSW 12 31,348,914 (GRCm39) missense probably benign 0.02
R1500:Lamb1 UTSW 12 31,348,948 (GRCm39) missense possibly damaging 0.82
R1624:Lamb1 UTSW 12 31,328,651 (GRCm39) critical splice donor site probably null
R1772:Lamb1 UTSW 12 31,328,524 (GRCm39) missense probably damaging 1.00
R1836:Lamb1 UTSW 12 31,351,093 (GRCm39) missense probably benign 0.00
R1853:Lamb1 UTSW 12 31,368,271 (GRCm39) missense probably damaging 1.00
R1854:Lamb1 UTSW 12 31,368,271 (GRCm39) missense probably damaging 1.00
R1903:Lamb1 UTSW 12 31,379,209 (GRCm39) missense probably damaging 1.00
R2091:Lamb1 UTSW 12 31,337,428 (GRCm39) missense probably damaging 0.98
R2186:Lamb1 UTSW 12 31,368,466 (GRCm39) nonsense probably null
R2268:Lamb1 UTSW 12 31,377,644 (GRCm39) missense probably damaging 1.00
R2567:Lamb1 UTSW 12 31,319,054 (GRCm39) critical splice acceptor site probably null
R2698:Lamb1 UTSW 12 31,348,882 (GRCm39) missense probably benign 0.10
R3121:Lamb1 UTSW 12 31,337,528 (GRCm39) missense probably damaging 1.00
R3405:Lamb1 UTSW 12 31,337,528 (GRCm39) missense probably damaging 1.00
R3406:Lamb1 UTSW 12 31,337,528 (GRCm39) missense probably damaging 1.00
R3608:Lamb1 UTSW 12 31,337,909 (GRCm39) missense probably damaging 1.00
R3725:Lamb1 UTSW 12 31,371,074 (GRCm39) missense probably null 0.63
R3726:Lamb1 UTSW 12 31,371,074 (GRCm39) missense probably null 0.63
R3949:Lamb1 UTSW 12 31,332,648 (GRCm39) missense probably damaging 1.00
R4308:Lamb1 UTSW 12 31,379,254 (GRCm39) missense probably damaging 1.00
R4600:Lamb1 UTSW 12 31,373,528 (GRCm39) missense probably benign 0.00
R4604:Lamb1 UTSW 12 31,328,775 (GRCm39) missense probably damaging 1.00
R4701:Lamb1 UTSW 12 31,316,847 (GRCm39) nonsense probably null
R4710:Lamb1 UTSW 12 31,332,582 (GRCm39) missense probably benign 0.02
R4767:Lamb1 UTSW 12 31,358,010 (GRCm39) missense probably damaging 1.00
R4828:Lamb1 UTSW 12 31,348,929 (GRCm39) missense probably benign
R4842:Lamb1 UTSW 12 31,337,432 (GRCm39) missense probably damaging 1.00
R4864:Lamb1 UTSW 12 31,371,005 (GRCm39) missense probably benign 0.01
R4909:Lamb1 UTSW 12 31,338,280 (GRCm39) missense probably damaging 1.00
R4989:Lamb1 UTSW 12 31,376,677 (GRCm39) missense probably damaging 1.00
R5444:Lamb1 UTSW 12 31,348,908 (GRCm39) missense possibly damaging 0.47
R5736:Lamb1 UTSW 12 31,352,664 (GRCm39) nonsense probably null
R5766:Lamb1 UTSW 12 31,349,930 (GRCm39) missense probably damaging 1.00
R5825:Lamb1 UTSW 12 31,368,613 (GRCm39) missense probably benign
R5840:Lamb1 UTSW 12 31,316,755 (GRCm39) missense probably damaging 1.00
R5867:Lamb1 UTSW 12 31,348,954 (GRCm39) missense possibly damaging 0.82
R5887:Lamb1 UTSW 12 31,316,863 (GRCm39) nonsense probably null
R5984:Lamb1 UTSW 12 31,377,773 (GRCm39) missense possibly damaging 0.76
R6313:Lamb1 UTSW 12 31,319,146 (GRCm39) missense probably damaging 1.00
R6359:Lamb1 UTSW 12 31,332,715 (GRCm39) missense probably damaging 0.97
R6505:Lamb1 UTSW 12 31,373,461 (GRCm39) missense possibly damaging 0.63
R7127:Lamb1 UTSW 12 31,374,314 (GRCm39) missense probably damaging 1.00
R7202:Lamb1 UTSW 12 31,374,314 (GRCm39) missense probably damaging 1.00
R7271:Lamb1 UTSW 12 31,337,423 (GRCm39) missense probably damaging 1.00
R7290:Lamb1 UTSW 12 31,315,595 (GRCm39) missense probably benign 0.04
R7486:Lamb1 UTSW 12 31,337,441 (GRCm39) missense probably benign 0.00
R7496:Lamb1 UTSW 12 31,350,020 (GRCm39) missense probably benign 0.31
R7591:Lamb1 UTSW 12 31,376,647 (GRCm39) missense probably damaging 1.00
R7722:Lamb1 UTSW 12 31,373,570 (GRCm39) missense probably damaging 0.99
R7985:Lamb1 UTSW 12 31,350,214 (GRCm39) missense possibly damaging 0.93
R8058:Lamb1 UTSW 12 31,353,046 (GRCm39) missense probably benign 0.16
R8353:Lamb1 UTSW 12 31,356,998 (GRCm39) missense probably damaging 1.00
R8506:Lamb1 UTSW 12 31,379,360 (GRCm39) missense probably damaging 1.00
R8846:Lamb1 UTSW 12 31,379,388 (GRCm39) missense possibly damaging 0.75
R8888:Lamb1 UTSW 12 31,352,953 (GRCm39) missense possibly damaging 0.95
R8895:Lamb1 UTSW 12 31,352,953 (GRCm39) missense possibly damaging 0.95
R9312:Lamb1 UTSW 12 31,368,352 (GRCm39) missense probably damaging 1.00
R9340:Lamb1 UTSW 12 31,374,224 (GRCm39) missense probably benign
R9340:Lamb1 UTSW 12 31,374,223 (GRCm39) missense probably benign
R9371:Lamb1 UTSW 12 31,348,863 (GRCm39) missense probably damaging 0.98
R9417:Lamb1 UTSW 12 31,337,983 (GRCm39) missense probably damaging 1.00
R9562:Lamb1 UTSW 12 31,322,492 (GRCm39) missense probably damaging 1.00
R9626:Lamb1 UTSW 12 31,354,669 (GRCm39) missense probably benign
R9641:Lamb1 UTSW 12 31,337,457 (GRCm39) missense probably damaging 0.97
X0054:Lamb1 UTSW 12 31,337,433 (GRCm39) missense probably damaging 1.00
X0064:Lamb1 UTSW 12 31,353,041 (GRCm39) missense probably benign 0.35
Z1176:Lamb1 UTSW 12 31,377,701 (GRCm39) missense possibly damaging 0.55
Predicted Primers PCR Primer
(F):5'- CGGCCTTTCAAGAACAGTCTC -3'
(R):5'- TTTGAAAGCAGGATCTAAAGCACG -3'

Sequencing Primer
(F):5'- GCCTTTCAAGAACAGTCTCCACAG -3'
(R):5'- TTTGCAATGATCAAAAGGCAGAC -3'
Posted On 2016-02-04