Incidental Mutation 'R1136:Mylk'
ID 95072
Institutional Source Beutler Lab
Gene Symbol Mylk
Ensembl Gene ENSMUSG00000022836
Gene Name myosin, light polypeptide kinase
Synonyms Mlck, telokin, nmMlck, 9530072E15Rik, A930019C19Rik, MLCK108, MLCK210
MMRRC Submission 039209-MU
Accession Numbers
Essential gene? Non essential (E-score: 0.000) question?
Stock # R1136 (G1)
Quality Score 115
Status Validated
Chromosome 16
Chromosomal Location 34565580-34822790 bp(+) (GRCm39)
Type of Mutation missense
DNA Base Change (assembly) T to C at 34820688 bp (GRCm39)
Zygosity Heterozygous
Amino Acid Change Isoleucine to Threonine at position 1880 (I1880T)
Ref Sequence ENSEMBL: ENSMUSP00000023538 (fasta)
Gene Model predicted gene model for transcript(s): [ENSMUST00000023538] [ENSMUST00000231589]
AlphaFold no structure available at present
Predicted Effect probably damaging
Transcript: ENSMUST00000023538
AA Change: I1880T

PolyPhen 2 Score 0.999 (Sensitivity: 0.14; Specificity: 0.99)
SMART Domains Protein: ENSMUSP00000023538
Gene: ENSMUSG00000022836
AA Change: I1880T

DomainStartEndE-ValueType
IGc2 54 122 9.05e-11 SMART
IGc2 177 244 3.94e-11 SMART
Pfam:23ISL 255 409 3.6e-60 PFAM
IGc2 423 491 1.55e-9 SMART
IGc2 523 587 3.32e-18 SMART
IGc2 632 699 6.02e-7 SMART
IGc2 730 798 1.36e-5 SMART
low complexity region 827 844 N/A INTRINSIC
IGc2 1141 1208 2.42e-11 SMART
low complexity region 1251 1269 N/A INTRINSIC
IG 1275 1359 4.56e-7 SMART
FN3 1362 1444 2.33e-11 SMART
low complexity region 1457 1479 N/A INTRINSIC
S_TKc 1495 1750 4.23e-95 SMART
IGc2 1852 1920 5.92e-15 SMART
low complexity region 1934 1950 N/A INTRINSIC
Predicted Effect probably damaging
Transcript: ENSMUST00000231589
AA Change: I89T

PolyPhen 2 Score 0.997 (Sensitivity: 0.41; Specificity: 0.98)
Predicted Effect noncoding transcript
Transcript: ENSMUST00000232296
Predicted Effect noncoding transcript
Transcript: ENSMUST00000232358
Predicted Effect noncoding transcript
Transcript: ENSMUST00000232477
Predicted Effect noncoding transcript
Transcript: ENSMUST00000232548
Predicted Effect noncoding transcript
Transcript: ENSMUST00000232649
Meta Mutation Damage Score 0.2948 question?
Coding Region Coverage
  • 1x: 98.9%
  • 3x: 98.1%
  • 10x: 95.7%
  • 20x: 90.5%
Validation Efficiency 100% (52/52)
MGI Phenotype FUNCTION: [Summary is not available for the mouse gene. This summary is for the human ortholog.] This gene, a muscle member of the immunoglobulin gene superfamily, encodes myosin light chain kinase which is a calcium/calmodulin dependent enzyme. This kinase phosphorylates myosin regulatory light chains to facilitate myosin interaction with actin filaments to produce contractile activity. This gene encodes both smooth muscle and nonmuscle isoforms. In addition, using a separate promoter in an intron in the 3' region, it encodes telokin, a small protein identical in sequence to the C-terminus of myosin light chain kinase, that is independently expressed in smooth muscle and functions to stabilize unphosphorylated myosin filaments. A pseudogene is located on the p arm of chromosome 3. Four transcript variants that produce four isoforms of the calcium/calmodulin dependent enzyme have been identified as well as two transcripts that produce two isoforms of telokin. Additional variants have been identified but lack full length transcripts. [provided by RefSeq, Jul 2008]
PHENOTYPE: Mice that lack the isoform abundant in endothelial cells show a reduced susceptibility to acute lung injury. Mice lacking the smooth muscle isoform exhibit partial pre- or neonatal lethality, short small intestine and impaired smooth muscle contraction in the colon. [provided by MGI curators]
Allele List at MGI
Other mutations in this stock
Total: 48 list
GeneRefVarChr/LocMutationPredicted EffectZygosity
Adcy2 C T 13: 68,878,436 (GRCm39) G401S probably damaging Het
Akap8l C T 17: 32,551,457 (GRCm39) R511H probably damaging Het
Bmp2 T C 2: 133,402,847 (GRCm39) F133L probably damaging Het
C1qtnf3 A G 15: 10,978,670 (GRCm39) E290G probably damaging Het
Ccdc180 C A 4: 45,914,589 (GRCm39) D701E probably benign Het
Chmp7 C T 14: 69,956,899 (GRCm39) M336I probably benign Het
Csmd3 A T 15: 47,539,213 (GRCm39) I1508N probably damaging Het
Dgkh T C 14: 78,862,329 (GRCm39) R80G probably damaging Het
Dock1 T A 7: 134,449,902 (GRCm39) V805D possibly damaging Het
Eef2 C CN 10: 81,014,603 (GRCm39) probably null Het
Ercc6l2 T A 13: 64,016,934 (GRCm39) V679D possibly damaging Het
Esp6 T C 17: 40,876,284 (GRCm39) Y111H probably benign Het
Focad T C 4: 88,244,417 (GRCm39) F799S unknown Het
Foxred1 C A 9: 35,116,333 (GRCm39) M438I probably benign Het
Galnt11 T G 5: 25,463,943 (GRCm39) V405G probably damaging Het
Gm4847 A G 1: 166,457,935 (GRCm39) Y473H probably damaging Het
Gpbp1l1 C T 4: 116,450,115 (GRCm39) T461M probably damaging Het
Hnrnpu A T 1: 178,158,790 (GRCm39) probably benign Het
Kmt2d A T 15: 98,755,646 (GRCm39) probably benign Het
Matr3 A G 18: 35,705,948 (GRCm39) H291R probably damaging Het
Mfsd14b C T 13: 65,243,506 (GRCm39) S46N probably benign Het
Mtch1 C T 17: 29,552,744 (GRCm39) probably null Het
Muc6 G T 7: 141,218,685 (GRCm39) T1996N possibly damaging Het
N4bp2 T C 5: 65,965,815 (GRCm39) L1288P probably damaging Het
Ncf2 A T 1: 152,706,123 (GRCm39) H245L probably damaging Het
Nmd3 T A 3: 69,654,049 (GRCm39) probably benign Het
Npdc1 G T 2: 25,297,727 (GRCm39) A127S probably benign Het
Nudt3 C A 17: 27,842,080 (GRCm39) R27L probably benign Het
Nwd1 C T 8: 73,424,397 (GRCm39) probably benign Het
Pex7 T A 10: 19,764,434 (GRCm39) I170F probably benign Het
Phyhipl A G 10: 70,404,902 (GRCm39) V57A probably damaging Het
Pkhd1 G A 1: 20,593,053 (GRCm39) P1687S possibly damaging Het
Plekhj1 A T 10: 80,633,654 (GRCm39) probably null Het
Prss21 T A 17: 24,091,968 (GRCm39) L312H probably damaging Het
Samsn1 T C 16: 75,670,408 (GRCm39) I232V probably null Het
Sec63 A T 10: 42,682,542 (GRCm39) D411V probably damaging Het
Slc44a4 C T 17: 35,146,998 (GRCm39) H343Y probably damaging Het
Sucla2 C T 14: 73,798,074 (GRCm39) probably benign Het
Tedc2 T A 17: 24,435,291 (GRCm39) E366V probably damaging Het
Tedc2 C A 17: 24,435,292 (GRCm39) E366* probably null Het
Tent2 C T 13: 93,312,205 (GRCm39) probably null Het
Tmtc3 A G 10: 100,307,905 (GRCm39) probably benign Het
Trafd1 C T 5: 121,511,387 (GRCm39) R477H possibly damaging Het
Uhrf2 T A 19: 30,033,626 (GRCm39) probably benign Het
Vmn2r68 T A 7: 84,871,549 (GRCm39) D578V possibly damaging Het
Wdcp G A 12: 4,901,655 (GRCm39) V504I possibly damaging Het
Wdr93 T C 7: 79,423,196 (GRCm39) Y487H probably damaging Het
Zfp457 T C 13: 67,441,846 (GRCm39) H147R probably damaging Het
Other mutations in Mylk
AlleleSourceChrCoordTypePredicted EffectPPH Score
IGL01384:Mylk APN 16 34,759,322 (GRCm39) missense probably benign 0.36
IGL01386:Mylk APN 16 34,791,610 (GRCm39) critical splice acceptor site probably null
IGL01684:Mylk APN 16 34,792,310 (GRCm39) missense possibly damaging 0.55
IGL01884:Mylk APN 16 34,809,247 (GRCm39) splice site probably benign
IGL02079:Mylk APN 16 34,681,001 (GRCm39) missense possibly damaging 0.87
IGL02104:Mylk APN 16 34,635,805 (GRCm39) missense probably benign 0.06
IGL02624:Mylk APN 16 34,750,266 (GRCm39) missense probably benign 0.29
IGL02756:Mylk APN 16 34,784,016 (GRCm39) missense probably benign 0.42
IGL02794:Mylk APN 16 34,806,911 (GRCm39) missense probably benign 0.21
IGL02833:Mylk APN 16 34,735,270 (GRCm39) missense probably benign 0.01
IGL02946:Mylk APN 16 34,742,158 (GRCm39) missense probably benign 0.10
IGL03012:Mylk APN 16 34,773,151 (GRCm39) missense probably benign 0.03
IGL03093:Mylk APN 16 34,732,562 (GRCm39) missense possibly damaging 0.62
IGL03272:Mylk APN 16 34,799,559 (GRCm39) missense probably benign 0.09
billy UTSW 16 34,695,990 (GRCm39) missense probably damaging 0.97
brutus UTSW 16 34,774,065 (GRCm39) missense probably benign 0.12
Club UTSW 16 34,732,645 (GRCm39) nonsense probably null
popeye UTSW 16 34,783,947 (GRCm39) missense probably benign 0.29
F5770:Mylk UTSW 16 34,815,574 (GRCm39) critical splice donor site probably null
P4717OSA:Mylk UTSW 16 34,797,483 (GRCm39) splice site probably benign
PIT4382001:Mylk UTSW 16 34,696,012 (GRCm39) missense probably damaging 0.99
R0131:Mylk UTSW 16 34,695,874 (GRCm39) missense probably benign 0.03
R0309:Mylk UTSW 16 34,732,667 (GRCm39) splice site probably benign
R0358:Mylk UTSW 16 34,699,845 (GRCm39) missense possibly damaging 0.74
R0381:Mylk UTSW 16 34,605,344 (GRCm39) splice site probably null
R0390:Mylk UTSW 16 34,695,990 (GRCm39) missense probably damaging 0.97
R0413:Mylk UTSW 16 34,742,314 (GRCm39) missense probably benign 0.01
R0536:Mylk UTSW 16 34,820,757 (GRCm39) missense possibly damaging 0.95
R0544:Mylk UTSW 16 34,699,845 (GRCm39) missense possibly damaging 0.74
R0545:Mylk UTSW 16 34,699,845 (GRCm39) missense possibly damaging 0.74
R0546:Mylk UTSW 16 34,699,845 (GRCm39) missense possibly damaging 0.74
R0547:Mylk UTSW 16 34,699,845 (GRCm39) missense possibly damaging 0.74
R0548:Mylk UTSW 16 34,699,845 (GRCm39) missense possibly damaging 0.74
R0627:Mylk UTSW 16 34,820,799 (GRCm39) missense probably damaging 1.00
R0726:Mylk UTSW 16 34,699,845 (GRCm39) missense possibly damaging 0.74
R0755:Mylk UTSW 16 34,699,845 (GRCm39) missense possibly damaging 0.74
R0782:Mylk UTSW 16 34,699,845 (GRCm39) missense possibly damaging 0.74
R0783:Mylk UTSW 16 34,699,845 (GRCm39) missense possibly damaging 0.74
R0784:Mylk UTSW 16 34,699,845 (GRCm39) missense possibly damaging 0.74
R1170:Mylk UTSW 16 34,694,409 (GRCm39) missense probably benign 0.20
R1222:Mylk UTSW 16 34,681,022 (GRCm39) missense probably benign 0.12
R1445:Mylk UTSW 16 34,635,835 (GRCm39) missense possibly damaging 0.57
R1583:Mylk UTSW 16 34,695,956 (GRCm39) missense probably benign 0.29
R1618:Mylk UTSW 16 34,699,845 (GRCm39) missense possibly damaging 0.74
R1643:Mylk UTSW 16 34,696,005 (GRCm39) missense probably benign 0.03
R1702:Mylk UTSW 16 34,742,314 (GRCm39) missense probably benign 0.00
R1776:Mylk UTSW 16 34,773,152 (GRCm39) missense probably benign 0.16
R1865:Mylk UTSW 16 34,732,600 (GRCm39) missense probably benign 0.03
R1975:Mylk UTSW 16 34,700,673 (GRCm39) splice site probably null
R2016:Mylk UTSW 16 34,817,187 (GRCm39) missense probably damaging 1.00
R2045:Mylk UTSW 16 34,774,023 (GRCm39) missense probably benign 0.29
R2134:Mylk UTSW 16 34,806,846 (GRCm39) missense probably benign 0.13
R3547:Mylk UTSW 16 34,700,538 (GRCm39) missense possibly damaging 0.61
R3844:Mylk UTSW 16 34,742,247 (GRCm39) missense probably benign 0.01
R4003:Mylk UTSW 16 34,783,947 (GRCm39) missense probably benign 0.29
R4396:Mylk UTSW 16 34,732,645 (GRCm39) nonsense probably null
R4470:Mylk UTSW 16 34,732,522 (GRCm39) missense probably benign 0.09
R4507:Mylk UTSW 16 34,774,065 (GRCm39) missense probably benign 0.12
R4700:Mylk UTSW 16 34,742,805 (GRCm39) missense probably benign 0.16
R4751:Mylk UTSW 16 34,699,539 (GRCm39) missense probably benign 0.29
R4815:Mylk UTSW 16 34,715,295 (GRCm39) missense probably damaging 0.97
R4832:Mylk UTSW 16 34,742,737 (GRCm39) missense probably benign 0.36
R4872:Mylk UTSW 16 34,735,360 (GRCm39) missense possibly damaging 0.89
R4953:Mylk UTSW 16 34,809,331 (GRCm39) missense probably damaging 1.00
R4969:Mylk UTSW 16 34,791,810 (GRCm39) missense probably damaging 0.96
R5009:Mylk UTSW 16 34,719,877 (GRCm39) missense probably benign 0.39
R5130:Mylk UTSW 16 34,809,367 (GRCm39) missense probably damaging 1.00
R5173:Mylk UTSW 16 34,797,383 (GRCm39) missense probably benign 0.40
R5195:Mylk UTSW 16 34,799,585 (GRCm39) missense probably damaging 1.00
R5209:Mylk UTSW 16 34,742,995 (GRCm39) missense possibly damaging 0.55
R5311:Mylk UTSW 16 34,742,127 (GRCm39) missense probably benign 0.01
R5418:Mylk UTSW 16 34,732,600 (GRCm39) missense probably benign 0.02
R5481:Mylk UTSW 16 34,741,974 (GRCm39) missense probably benign 0.09
R5590:Mylk UTSW 16 34,699,722 (GRCm39) missense probably benign 0.29
R5603:Mylk UTSW 16 34,776,862 (GRCm39) missense probably benign 0.06
R5823:Mylk UTSW 16 34,715,317 (GRCm39) critical splice donor site probably null
R6290:Mylk UTSW 16 34,715,213 (GRCm39) missense probably benign 0.39
R6351:Mylk UTSW 16 34,742,341 (GRCm39) missense probably benign 0.01
R6365:Mylk UTSW 16 34,680,961 (GRCm39) missense probably benign 0.12
R6490:Mylk UTSW 16 34,750,237 (GRCm39) missense possibly damaging 0.74
R6723:Mylk UTSW 16 34,750,258 (GRCm39) missense possibly damaging 0.74
R6864:Mylk UTSW 16 34,694,520 (GRCm39) missense probably benign 0.03
R6908:Mylk UTSW 16 34,700,643 (GRCm39) missense probably benign 0.18
R6949:Mylk UTSW 16 34,820,688 (GRCm39) missense probably damaging 1.00
R7018:Mylk UTSW 16 34,820,796 (GRCm39) missense possibly damaging 0.88
R7035:Mylk UTSW 16 34,797,352 (GRCm39) missense possibly damaging 0.89
R7162:Mylk UTSW 16 34,742,899 (GRCm39) missense probably damaging 1.00
R7236:Mylk UTSW 16 34,742,899 (GRCm39) missense probably damaging 1.00
R7269:Mylk UTSW 16 34,605,381 (GRCm39) missense probably damaging 0.96
R7475:Mylk UTSW 16 34,734,446 (GRCm39) splice site probably null
R7525:Mylk UTSW 16 34,809,357 (GRCm39) missense probably benign 0.06
R7587:Mylk UTSW 16 34,742,887 (GRCm39) missense probably benign 0.29
R7607:Mylk UTSW 16 34,715,184 (GRCm39) missense probably benign 0.09
R7616:Mylk UTSW 16 34,699,927 (GRCm39) missense probably damaging 0.97
R7647:Mylk UTSW 16 34,699,894 (GRCm39) missense probably benign 0.29
R7648:Mylk UTSW 16 34,699,894 (GRCm39) missense probably benign 0.29
R7764:Mylk UTSW 16 34,742,553 (GRCm39) missense probably benign 0.16
R7890:Mylk UTSW 16 34,784,018 (GRCm39) nonsense probably null
R7892:Mylk UTSW 16 34,699,894 (GRCm39) missense probably benign 0.29
R7893:Mylk UTSW 16 34,699,894 (GRCm39) missense probably benign 0.29
R8065:Mylk UTSW 16 34,792,389 (GRCm39) missense probably benign 0.08
R8067:Mylk UTSW 16 34,792,389 (GRCm39) missense probably benign 0.08
R8143:Mylk UTSW 16 34,734,525 (GRCm39) missense possibly damaging 0.87
R8210:Mylk UTSW 16 34,820,721 (GRCm39) missense probably damaging 1.00
R8271:Mylk UTSW 16 34,742,949 (GRCm39) missense probably damaging 0.97
R8540:Mylk UTSW 16 34,750,257 (GRCm39) missense possibly damaging 0.87
R8721:Mylk UTSW 16 34,817,176 (GRCm39) missense probably damaging 1.00
R8743:Mylk UTSW 16 34,741,427 (GRCm39) missense probably benign 0.03
R8798:Mylk UTSW 16 34,719,772 (GRCm39) missense possibly damaging 0.89
R8956:Mylk UTSW 16 34,791,779 (GRCm39) missense probably benign 0.01
R9131:Mylk UTSW 16 34,776,835 (GRCm39) missense probably benign 0.29
R9403:Mylk UTSW 16 34,696,012 (GRCm39) nonsense probably null
R9624:Mylk UTSW 16 34,699,677 (GRCm39) missense probably benign 0.29
R9735:Mylk UTSW 16 34,735,179 (GRCm39) missense probably benign 0.09
R9756:Mylk UTSW 16 34,734,387 (GRCm39) missense probably damaging 0.96
R9763:Mylk UTSW 16 34,699,482 (GRCm39) nonsense probably null
RF001:Mylk UTSW 16 34,699,741 (GRCm39) missense probably benign 0.03
V7580:Mylk UTSW 16 34,815,574 (GRCm39) critical splice donor site probably null
V7583:Mylk UTSW 16 34,815,574 (GRCm39) critical splice donor site probably null
X0065:Mylk UTSW 16 34,820,811 (GRCm39) missense probably damaging 1.00
Z1177:Mylk UTSW 16 34,743,021 (GRCm39) missense possibly damaging 0.74
Predicted Primers PCR Primer
(F):5'- GCCAACCTCGTGCTTTAATCAACAG -3'
(R):5'- AGTATATCTCCCAGGCATCAGCCG -3'

Sequencing Primer
(F):5'- ACCCTGAGAGCCTCTTGATT -3'
(R):5'- tcctcctcctcctcctcc -3'
Posted On 2014-01-05