Incidental Mutation 'R6435:Map1b'
ID 518756
Institutional Source Beutler Lab
Gene Symbol Map1b
Ensembl Gene ENSMUSG00000052727
Gene Name microtubule-associated protein 1B
Synonyms Mtap1b, Mtap-5, MAP5, Mtap5, LC1
MMRRC Submission 044573-MU
Accession Numbers
Essential gene? Essential (E-score: 1.000) question?
Stock # R6435 (G1)
Quality Score 197.009
Status Validated
Chromosome 13
Chromosomal Location 99557954-99653048 bp(-) (GRCm39)
Type of Mutation missense
DNA Base Change (assembly) A to G at 99652871 bp (GRCm39)
Zygosity Heterozygous
Amino Acid Change Valine to Alanine at position 42 (V42A)
Ref Sequence ENSEMBL: ENSMUSP00000068374 (fasta)
Gene Model predicted gene model for transcript(s): [ENSMUST00000064762]
AlphaFold P14873
Predicted Effect probably damaging
Transcript: ENSMUST00000064762
AA Change: V42A

PolyPhen 2 Score 0.988 (Sensitivity: 0.73; Specificity: 0.96)
SMART Domains Protein: ENSMUSP00000068374
Gene: ENSMUSG00000052727
AA Change: V42A

DomainStartEndE-ValueType
low complexity region 41 50 N/A INTRINSIC
Blast:Lactamase_B 270 514 1e-56 BLAST
low complexity region 578 595 N/A INTRINSIC
low complexity region 597 617 N/A INTRINSIC
SCOP:d1gkub2 633 735 8e-4 SMART
low complexity region 771 813 N/A INTRINSIC
low complexity region 855 866 N/A INTRINSIC
low complexity region 889 913 N/A INTRINSIC
low complexity region 935 956 N/A INTRINSIC
low complexity region 1006 1030 N/A INTRINSIC
low complexity region 1247 1261 N/A INTRINSIC
low complexity region 1390 1404 N/A INTRINSIC
low complexity region 1545 1557 N/A INTRINSIC
low complexity region 1724 1735 N/A INTRINSIC
Pfam:MAP1B_neuraxin 1891 1907 1.9e-10 PFAM
Pfam:MAP1B_neuraxin 1908 1924 8.3e-11 PFAM
Pfam:MAP1B_neuraxin 1942 1958 3.1e-9 PFAM
Pfam:MAP1B_neuraxin 1959 1975 6.2e-9 PFAM
Pfam:MAP1B_neuraxin 2027 2043 2.9e-10 PFAM
Pfam:MAP1B_neuraxin 2044 2060 3.9e-9 PFAM
low complexity region 2227 2257 N/A INTRINSIC
low complexity region 2286 2307 N/A INTRINSIC
low complexity region 2316 2343 N/A INTRINSIC
Predicted Effect noncoding transcript
Transcript: ENSMUST00000181939
Predicted Effect noncoding transcript
Transcript: ENSMUST00000223820
Coding Region Coverage
  • 1x: 99.9%
  • 3x: 99.6%
  • 10x: 98.1%
  • 20x: 94.2%
Validation Efficiency 100% (32/32)
MGI Phenotype FUNCTION: [Summary is not available for the mouse gene. This summary is for the human ortholog.] This gene encodes a protein that belongs to the microtubule-associated protein family. The proteins of this family are thought to be involved in microtubule assembly, which is an essential step in neurogenesis. The product of this gene is a precursor polypeptide that presumably undergoes proteolytic processing to generate the final MAP1B heavy chain and LC1 light chain. Gene knockout studies of the mouse microtubule-associated protein 1B gene suggested an important role in development and function of the nervous system. [provided by RefSeq, Jul 2008]
PHENOTYPE: Mice homozygous for one knock-out allele die prior to E8.5. While mice homozygous for other knock-out alleles exhibit behavioral, visual system, and nervous system defects. [provided by MGI curators]
Allele List at MGI
Other mutations in this stock
Total: 33 list
GeneRefVarChr/LocMutationPredicted EffectZygosity
Abl1 A T 2: 31,691,561 (GRCm39) T1027S possibly damaging Het
Ablim1 T C 19: 57,049,787 (GRCm39) I159V possibly damaging Het
Adcy1 A G 11: 7,111,367 (GRCm39) N886S possibly damaging Het
Baz1b G A 5: 135,266,799 (GRCm39) D1203N probably damaging Het
Chmp2a A T 7: 12,766,701 (GRCm39) Y72* probably null Het
Col6a1 A T 10: 76,546,957 (GRCm39) I755N unknown Het
Defa24 T A 8: 22,224,690 (GRCm39) F46L possibly damaging Het
Eml2 G A 7: 18,935,088 (GRCm39) V432I probably damaging Het
Gcn1 A T 5: 115,749,081 (GRCm39) probably null Het
Gfpt2 A G 11: 49,726,478 (GRCm39) S628G probably benign Het
Hsdl2 C A 4: 59,610,668 (GRCm39) Q222K unknown Het
Ighv1-9 T A 12: 114,547,206 (GRCm39) I111F probably benign Het
Itch G A 2: 155,051,049 (GRCm39) D579N probably benign Het
Jdp2 A T 12: 85,655,132 (GRCm39) K65M probably damaging Het
Kif15 A T 9: 122,815,556 (GRCm39) E222V probably damaging Het
Mecom T A 3: 30,034,398 (GRCm39) E426V probably damaging Het
Meiosin T C 7: 18,834,844 (GRCm39) probably benign Het
Mfsd6 G T 1: 52,748,603 (GRCm39) Y87* probably null Het
Mybpc2 A G 7: 44,155,481 (GRCm39) V924A possibly damaging Het
Naip6 A T 13: 100,431,249 (GRCm39) M1196K probably benign Het
Nscme3l T C 19: 5,553,446 (GRCm39) I112V probably benign Het
Or52n5 A G 7: 104,588,041 (GRCm39) M103V probably damaging Het
Pcdh9 G A 14: 94,125,280 (GRCm39) P297S probably benign Het
Pold1 G A 7: 44,188,202 (GRCm39) R559C probably damaging Het
Rgs21 A G 1: 144,395,565 (GRCm39) F108L probably damaging Het
Runx1 A T 16: 92,441,183 (GRCm39) S209T possibly damaging Het
Sdccag8 G T 1: 176,642,428 (GRCm39) probably benign Het
Smc1b C T 15: 84,976,232 (GRCm39) R825Q probably benign Het
Srgap1 T C 10: 121,636,732 (GRCm39) D741G possibly damaging Het
Srsf11 C T 3: 157,728,981 (GRCm39) probably benign Homo
Tsc1 G A 2: 28,566,464 (GRCm39) V627M probably benign Het
Vmn2r106 C T 17: 20,488,725 (GRCm39) C558Y probably damaging Het
Zfp612 A G 8: 110,815,952 (GRCm39) I347M probably damaging Het
Other mutations in Map1b
AlleleSourceChrCoordTypePredicted EffectPPH Score
IGL00508:Map1b APN 13 99,565,741 (GRCm39) missense unknown
IGL00533:Map1b APN 13 99,569,112 (GRCm39) missense unknown
IGL00801:Map1b APN 13 99,566,605 (GRCm39) missense unknown
IGL01141:Map1b APN 13 99,571,269 (GRCm39) missense probably damaging 1.00
IGL01418:Map1b APN 13 99,568,338 (GRCm39) missense unknown
IGL01464:Map1b APN 13 99,569,251 (GRCm39) missense unknown
IGL01690:Map1b APN 13 99,571,512 (GRCm39) missense probably damaging 1.00
IGL01991:Map1b APN 13 99,566,077 (GRCm39) missense unknown
IGL02245:Map1b APN 13 99,568,036 (GRCm39) missense unknown
IGL02376:Map1b APN 13 99,572,103 (GRCm39) missense probably damaging 1.00
IGL02380:Map1b APN 13 99,567,651 (GRCm39) missense unknown
IGL02442:Map1b APN 13 99,644,706 (GRCm39) missense probably damaging 1.00
IGL02465:Map1b APN 13 99,569,914 (GRCm39) missense unknown
IGL02816:Map1b APN 13 99,578,263 (GRCm39) missense probably damaging 1.00
IGL02859:Map1b APN 13 99,569,544 (GRCm39) missense unknown
IGL02934:Map1b APN 13 99,571,639 (GRCm39) missense probably benign 0.09
IGL02970:Map1b APN 13 99,567,242 (GRCm39) nonsense probably null
IGL03148:Map1b APN 13 99,578,203 (GRCm39) missense probably damaging 1.00
IGL03401:Map1b APN 13 99,563,776 (GRCm39) missense unknown
IGL03138:Map1b UTSW 13 99,562,334 (GRCm39) missense unknown
R0006:Map1b UTSW 13 99,571,810 (GRCm39) missense probably damaging 1.00
R0006:Map1b UTSW 13 99,571,810 (GRCm39) missense probably damaging 1.00
R0035:Map1b UTSW 13 99,571,846 (GRCm39) missense probably damaging 1.00
R0069:Map1b UTSW 13 99,566,356 (GRCm39) missense unknown
R0315:Map1b UTSW 13 99,567,624 (GRCm39) missense unknown
R0539:Map1b UTSW 13 99,570,526 (GRCm39) missense unknown
R0548:Map1b UTSW 13 99,568,191 (GRCm39) missense unknown
R0613:Map1b UTSW 13 99,578,149 (GRCm39) missense probably damaging 1.00
R0730:Map1b UTSW 13 99,566,274 (GRCm39) nonsense probably null
R1103:Map1b UTSW 13 99,563,974 (GRCm39) splice site probably benign
R1300:Map1b UTSW 13 99,569,029 (GRCm39) missense unknown
R1353:Map1b UTSW 13 99,563,834 (GRCm39) missense unknown
R1387:Map1b UTSW 13 99,569,158 (GRCm39) missense unknown
R1481:Map1b UTSW 13 99,567,679 (GRCm39) missense unknown
R1509:Map1b UTSW 13 99,568,036 (GRCm39) missense unknown
R1521:Map1b UTSW 13 99,569,247 (GRCm39) missense unknown
R1604:Map1b UTSW 13 99,566,080 (GRCm39) missense unknown
R1649:Map1b UTSW 13 99,652,986 (GRCm39) missense probably benign 0.03
R1651:Map1b UTSW 13 99,569,091 (GRCm39) missense unknown
R1661:Map1b UTSW 13 99,568,437 (GRCm39) missense unknown
R1665:Map1b UTSW 13 99,568,437 (GRCm39) missense unknown
R1770:Map1b UTSW 13 99,567,001 (GRCm39) missense unknown
R1926:Map1b UTSW 13 99,567,200 (GRCm39) missense unknown
R1928:Map1b UTSW 13 99,567,454 (GRCm39) missense unknown
R2093:Map1b UTSW 13 99,566,178 (GRCm39) missense unknown
R2110:Map1b UTSW 13 99,567,629 (GRCm39) missense unknown
R2116:Map1b UTSW 13 99,567,152 (GRCm39) missense unknown
R2164:Map1b UTSW 13 99,565,846 (GRCm39) missense unknown
R2207:Map1b UTSW 13 99,567,591 (GRCm39) missense unknown
R2273:Map1b UTSW 13 99,568,592 (GRCm39) missense unknown
R2443:Map1b UTSW 13 99,566,919 (GRCm39) missense unknown
R3054:Map1b UTSW 13 99,569,250 (GRCm39) missense unknown
R3766:Map1b UTSW 13 99,570,595 (GRCm39) missense unknown
R3911:Map1b UTSW 13 99,567,580 (GRCm39) missense unknown
R4005:Map1b UTSW 13 99,566,415 (GRCm39) missense unknown
R4130:Map1b UTSW 13 99,568,188 (GRCm39) missense unknown
R4513:Map1b UTSW 13 99,580,741 (GRCm39) missense probably damaging 1.00
R4613:Map1b UTSW 13 99,566,810 (GRCm39) nonsense probably null
R4633:Map1b UTSW 13 99,571,450 (GRCm39) missense probably damaging 1.00
R4646:Map1b UTSW 13 99,568,977 (GRCm39) missense unknown
R4690:Map1b UTSW 13 99,567,576 (GRCm39) missense unknown
R4704:Map1b UTSW 13 99,566,983 (GRCm39) missense unknown
R4836:Map1b UTSW 13 99,567,562 (GRCm39) missense unknown
R4916:Map1b UTSW 13 99,569,808 (GRCm39) missense unknown
R4951:Map1b UTSW 13 99,568,935 (GRCm39) missense unknown
R4960:Map1b UTSW 13 99,568,720 (GRCm39) missense probably benign 0.23
R4961:Map1b UTSW 13 99,572,161 (GRCm39) missense probably damaging 1.00
R5030:Map1b UTSW 13 99,570,682 (GRCm39) missense unknown
R5090:Map1b UTSW 13 99,566,534 (GRCm39) nonsense probably null
R5469:Map1b UTSW 13 99,565,846 (GRCm39) missense unknown
R5820:Map1b UTSW 13 99,569,332 (GRCm39) missense unknown
R5885:Map1b UTSW 13 99,566,589 (GRCm39) missense unknown
R5915:Map1b UTSW 13 99,566,839 (GRCm39) missense unknown
R5923:Map1b UTSW 13 99,569,661 (GRCm39) missense unknown
R6063:Map1b UTSW 13 99,567,645 (GRCm39) missense unknown
R6102:Map1b UTSW 13 99,562,381 (GRCm39) missense unknown
R6218:Map1b UTSW 13 99,569,714 (GRCm39) missense unknown
R6663:Map1b UTSW 13 99,566,530 (GRCm39) missense unknown
R6765:Map1b UTSW 13 99,562,449 (GRCm39) missense unknown
R6860:Map1b UTSW 13 99,571,275 (GRCm39) missense probably damaging 1.00
R6997:Map1b UTSW 13 99,567,142 (GRCm39) missense unknown
R7001:Map1b UTSW 13 99,567,101 (GRCm39) missense unknown
R7310:Map1b UTSW 13 99,570,163 (GRCm39) missense unknown
R7349:Map1b UTSW 13 99,570,148 (GRCm39) missense unknown
R7448:Map1b UTSW 13 99,644,648 (GRCm39) missense probably damaging 0.99
R7449:Map1b UTSW 13 99,644,648 (GRCm39) missense probably damaging 0.99
R7452:Map1b UTSW 13 99,644,648 (GRCm39) missense probably damaging 0.99
R7810:Map1b UTSW 13 99,568,390 (GRCm39) missense unknown
R7820:Map1b UTSW 13 99,567,685 (GRCm39) missense unknown
R8396:Map1b UTSW 13 99,570,621 (GRCm39) missense unknown
R8470:Map1b UTSW 13 99,652,950 (GRCm39) missense probably damaging 0.98
R8535:Map1b UTSW 13 99,571,662 (GRCm39) missense probably damaging 1.00
R8777:Map1b UTSW 13 99,567,304 (GRCm39) missense unknown
R8777-TAIL:Map1b UTSW 13 99,567,304 (GRCm39) missense unknown
R8812:Map1b UTSW 13 99,569,323 (GRCm39) missense unknown
R8903:Map1b UTSW 13 99,569,017 (GRCm39) nonsense probably null
R8928:Map1b UTSW 13 99,568,624 (GRCm39) missense unknown
R8954:Map1b UTSW 13 99,570,735 (GRCm39) missense unknown
R9164:Map1b UTSW 13 99,568,816 (GRCm39) nonsense probably null
R9164:Map1b UTSW 13 99,562,351 (GRCm39) missense unknown
R9190:Map1b UTSW 13 99,571,914 (GRCm39) missense probably damaging 0.99
R9334:Map1b UTSW 13 99,568,148 (GRCm39) missense unknown
R9339:Map1b UTSW 13 99,567,570 (GRCm39) missense unknown
R9357:Map1b UTSW 13 99,566,708 (GRCm39) nonsense probably null
R9430:Map1b UTSW 13 99,570,616 (GRCm39) missense unknown
RF003:Map1b UTSW 13 99,567,258 (GRCm39) missense unknown
X0019:Map1b UTSW 13 99,568,920 (GRCm39) missense unknown
X0019:Map1b UTSW 13 99,566,476 (GRCm39) missense unknown
Z1088:Map1b UTSW 13 99,644,623 (GRCm39) missense probably benign 0.07
Predicted Primers PCR Primer
(F):5'- ACCTGCATTTCAAAGAGCACG -3'
(R):5'- ACAGCACCTTCGGAGATAATCC -3'

Sequencing Primer
(F):5'- TCAGGGCTATTATAAAGATCCCCTC -3'
(R):5'- TTTCTCCTGCCGCAGAGCAG -3'
Posted On 2018-05-24