Incidental Mutation 'R6505:Lamb1'
ID 523785
Institutional Source Beutler Lab
Gene Symbol Lamb1
Ensembl Gene ENSMUSG00000002900
Gene Name laminin B1
Synonyms Lamb-1, D130003D08Rik, C80098, C81607, Lamb1-1
MMRRC Submission 044637-MU
Accession Numbers
Essential gene? Essential (E-score: 1.000) question?
Stock # R6505 (G1)
Quality Score 225.009
Status Validated
Chromosome 12
Chromosomal Location 31315233-31379643 bp(+) (GRCm39)
Type of Mutation missense
DNA Base Change (assembly) A to T at 31373461 bp (GRCm39)
Zygosity Heterozygous
Amino Acid Change Threonine to Serine at position 1397 (T1397S)
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 benign
Transcript: ENSMUST00000002979
AA Change: T1445S

PolyPhen 2 Score 0.210 (Sensitivity: 0.92; Specificity: 0.88)
SMART Domains Protein: ENSMUSP00000002979
Gene: ENSMUSG00000002900
AA Change: T1445S

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 possibly damaging
Transcript: ENSMUST00000169088
AA Change: T1397S

PolyPhen 2 Score 0.635 (Sensitivity: 0.87; Specificity: 0.91)
SMART Domains Protein: ENSMUSP00000132778
Gene: ENSMUSG00000002900
AA Change: T1397S

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
Predicted Effect noncoding transcript
Transcript: ENSMUST00000172134
Coding Region Coverage
  • 1x: 99.9%
  • 3x: 99.7%
  • 10x: 98.6%
  • 20x: 96.2%
Validation Efficiency 100% (84/84)
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: 86 list
GeneRefVarChr/LocMutationPredicted EffectZygosity
1700010I14Rik A T 17: 9,220,772 (GRCm39) I424L probably benign Het
2610028H24Rik C T 10: 76,285,115 (GRCm39) A8V probably benign Het
Ago1 G A 4: 126,357,628 (GRCm39) P16S probably benign Het
Ak5 C T 3: 152,187,306 (GRCm39) E394K probably benign Het
Aldh7a1 T C 18: 56,660,068 (GRCm39) Y498C probably damaging Het
Alox12 T A 11: 70,141,030 (GRCm39) D335V probably damaging Het
Alx4 A T 2: 93,498,904 (GRCm39) Y212F probably damaging Het
Asb16 A G 11: 102,167,303 (GRCm39) E223G probably damaging Het
Atg9b C T 5: 24,595,575 (GRCm39) V235M probably damaging Het
BB014433 A G 8: 15,092,304 (GRCm39) V183A probably benign Het
Brca1 T A 11: 101,414,367 (GRCm39) M1256L probably benign Het
Bst1 A G 5: 43,977,932 (GRCm39) I94V probably benign Het
C3ar1 A G 6: 122,827,599 (GRCm39) L206P probably benign Het
Cabs1 T A 5: 88,128,522 (GRCm39) M391K possibly damaging Het
Cars1 C T 7: 143,118,744 (GRCm39) R599Q probably damaging Het
Ccdc190 T A 1: 169,760,592 (GRCm39) Y73* probably null Het
Cd177 A C 7: 24,443,671 (GRCm39) L809W probably benign Het
Cemip C A 7: 83,600,805 (GRCm39) G939* probably null Het
Clca3b T A 3: 144,531,020 (GRCm39) I777F probably benign Het
Cma2 T C 14: 56,211,236 (GRCm39) I176T probably damaging Het
Col12a1 T A 9: 79,554,887 (GRCm39) T2064S probably damaging Het
Csf1r A G 18: 61,262,805 (GRCm39) N860S probably damaging Het
Dab1 T A 4: 104,369,461 (GRCm39) C3S probably benign Het
Dennd4b A G 3: 90,174,918 (GRCm39) E50G probably damaging Het
Dis3l A T 9: 64,214,795 (GRCm39) S925T probably benign Het
Disp1 T C 1: 182,868,076 (GRCm39) N1448S probably benign Het
Dpp10 T C 1: 123,264,580 (GRCm39) I747M probably damaging Het
Enpp5 G A 17: 44,396,155 (GRCm39) G356S probably damaging Het
Ephx4 A T 5: 107,551,522 (GRCm39) K36* probably null Het
Fam135a C T 1: 24,053,953 (GRCm39) V1195I probably damaging Het
Fap A T 2: 62,376,947 (GRCm39) Y234* probably null Het
Fem1c A T 18: 46,638,942 (GRCm39) N353K possibly damaging Het
Furin C A 7: 80,043,365 (GRCm39) R282L probably damaging Het
Gm10549 C A 18: 33,597,358 (GRCm39) probably benign Het
Gm5930 A G 14: 44,568,828 (GRCm39) *265Q probably null Het
Hcrtr1 T A 4: 130,031,379 (GRCm39) T15S probably benign Het
Ifnar1 C T 16: 91,296,425 (GRCm39) Q309* probably null Het
Il18r1 A T 1: 40,528,867 (GRCm39) I304L probably benign Het
Ino80 A T 2: 119,281,922 (GRCm39) Y185N probably damaging Het
Itgb2 G A 10: 77,395,507 (GRCm39) C536Y probably damaging Het
Ivns1abp T C 1: 151,236,744 (GRCm39) M435T probably benign Het
Kcnh4 T C 11: 100,647,911 (GRCm39) N151D probably benign Het
Lama3 T C 18: 12,628,405 (GRCm39) M1499T probably benign Het
Leng1 G A 7: 3,664,211 (GRCm39) R239* probably null Het
Map2k4 A T 11: 65,584,355 (GRCm39) N309K possibly damaging Het
Mcm3 A G 1: 20,873,768 (GRCm39) F784S probably damaging Het
Mrgpra9 T A 7: 46,884,884 (GRCm39) N260I probably benign Het
Mrnip C A 11: 50,090,679 (GRCm39) T281N possibly damaging Het
Myo9b A G 8: 71,808,501 (GRCm39) T1715A possibly damaging Het
Nectin3 A G 16: 46,269,184 (GRCm39) I406T possibly damaging Het
Neto1 A G 18: 86,516,699 (GRCm39) T339A possibly damaging Het
Ntn1 T C 11: 68,104,025 (GRCm39) D541G probably damaging Het
Nuak2 C A 1: 132,244,132 (GRCm39) H55Q probably damaging Het
Nufip2 A G 11: 77,582,439 (GRCm39) T118A probably benign Het
Or11i1 T G 3: 106,729,638 (GRCm39) N79T possibly damaging Het
Or12e7 T A 2: 87,288,271 (GRCm39) V254E probably damaging Het
Or51af1 T A 7: 103,141,858 (GRCm39) T76S probably damaging Het
Or52e19 C A 7: 102,959,000 (GRCm39) A24D probably benign Het
Or5d16 A T 2: 87,773,518 (GRCm39) Y151* probably null Het
Or5p59 T C 7: 107,702,774 (GRCm39) V86A probably benign Het
Or6d13 C T 6: 116,517,561 (GRCm39) T49M probably benign Het
Or7a40 A T 16: 16,491,784 (GRCm39) D20E probably benign Het
Or7g29 T C 9: 19,286,237 (GRCm39) *313W probably null Het
Pcdhb5 T A 18: 37,453,933 (GRCm39) H104Q probably benign Het
Phf11a T C 14: 59,514,986 (GRCm39) R232G probably damaging Het
Pik3r5 C T 11: 68,383,615 (GRCm39) T478I probably benign Het
Prkacb T A 3: 146,438,401 (GRCm39) E380V probably damaging Het
Prl7c1 G T 13: 27,957,776 (GRCm39) D221E probably damaging Het
Prr11 T A 11: 86,996,950 (GRCm39) K5* probably null Het
Prrc2b G A 2: 32,112,332 (GRCm39) G1932D probably damaging Het
Rexo1 A T 10: 80,378,845 (GRCm39) Y1064N possibly damaging Het
Rnf182 C T 13: 43,822,147 (GRCm39) Q233* probably null Het
Rsf1 G A 7: 97,229,117 (GRCm39) probably benign Het
Sash1 C G 10: 8,605,291 (GRCm39) G1033A probably benign Het
Sncaip C A 18: 53,039,609 (GRCm39) S189* probably null Het
Sorl1 T C 9: 41,982,530 (GRCm39) Y350C probably damaging Het
Speg T C 1: 75,383,328 (GRCm39) V1141A possibly damaging Het
Speg C A 1: 75,406,167 (GRCm39) D3091E possibly damaging Het
Sucnr1 A T 3: 59,994,144 (GRCm39) D224V probably benign Het
Tg G A 15: 66,631,407 (GRCm39) A559T probably damaging Het
Tmem132d A G 5: 127,861,502 (GRCm39) I873T probably benign Het
Tmem229a C T 6: 24,954,920 (GRCm39) C278Y probably damaging Het
Togaram1 T C 12: 65,013,364 (GRCm39) I205T possibly damaging Het
Usp19 T A 9: 108,374,082 (GRCm39) L713Q probably damaging Het
Vsig10 A G 5: 117,489,824 (GRCm39) D530G possibly damaging Het
Zfp106 A G 2: 120,364,983 (GRCm39) S475P probably damaging 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
R4809:Lamb1 UTSW 12 31,328,525 (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
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'- CGCTGAATTGGCAGAACTTG -3'
(R):5'- TGGAGAGCTGTTCGACTTCAG -3'

Sequencing Primer
(F):5'- CAGAACTTGAGAAAGATCTGAGTTTG -3'
(R):5'- TGTTCGACTTCAGCCAGGG -3'
Posted On 2018-06-22