Incidental Mutation 'R7738:Has2'
ID 596389
Institutional Source Beutler Lab
Gene Symbol Has2
Ensembl Gene ENSMUSG00000022367
Gene Name hyaluronan synthase 2
Synonyms
MMRRC Submission 045794-MU
Accession Numbers
Essential gene? Essential (E-score: 1.000) question?
Stock # R7738 (G1)
Quality Score 225.009
Status Not validated
Chromosome 15
Chromosomal Location 56529023-56557935 bp(-) (GRCm39)
Type of Mutation missense
DNA Base Change (assembly) T to C at 56531108 bp (GRCm39)
Zygosity Heterozygous
Amino Acid Change Lysine to Glutamic Acid at position 536 (K536E)
Ref Sequence ENSEMBL: ENSMUSP00000062212 (fasta)
Gene Model predicted gene model for transcript(s): [ENSMUST00000050544]
AlphaFold P70312
Predicted Effect possibly damaging
Transcript: ENSMUST00000050544
AA Change: K536E

PolyPhen 2 Score 0.892 (Sensitivity: 0.82; Specificity: 0.94)
SMART Domains Protein: ENSMUSP00000062212
Gene: ENSMUSG00000022367
AA Change: K536E

DomainStartEndE-ValueType
transmembrane domain 7 29 N/A INTRINSIC
transmembrane domain 44 66 N/A INTRINSIC
Pfam:Glycos_transf_2 86 156 1.7e-7 PFAM
Pfam:Glyco_tranf_2_3 159 357 1.2e-17 PFAM
Pfam:Chitin_synth_2 193 464 1.9e-17 PFAM
Pfam:Glyco_trans_2_3 207 534 1.3e-9 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.] Hyaluronan or hyaluronic acid (HA) is a high molecular weight unbranched polysaccharide synthesized by a wide variety of organisms from bacteria to mammals, and is a constituent of the extracellular matrix. It consists of alternating glucuronic acid and N-acetylglucosamine residues that are linked by beta-1-3 and beta-1-4 glycosidic bonds. HA is synthesized by membrane-bound synthase at the inner surface of the plasma membrane, and the chains are extruded through pore-like structures into the extracellular space. It serves a variety of functions, including space filling, lubrication of joints, and provision of a matrix through which cells can migrate. HA is actively produced during wound healing and tissue repair to provide a framework for ingrowth of blood vessels and fibroblasts. Changes in the serum concentration of HA are associated with inflammatory and degenerative arthropathies such as rheumatoid arthritis. In addition, the interaction of HA with the leukocyte receptor CD44 is important in tissue-specific homing by leukocytes, and overexpression of HA receptors has been correlated with tumor metastasis. HAS2 is a member of the newly identified vertebrate gene family encoding putative hyaluronan synthases, and its amino acid sequence shows significant homology to glycosaminoglycan synthetase (DG42) from Xenopus laevis, and human and murine hyaluronan synthase 1. [provided by RefSeq, Jul 2008]
PHENOTYPE: Mice homozygous for a targeted mutation die during midgestation with severe defects in yolk sac and systemic vasculature, including pericardial edema, compaction of the extracellular space, and absence of endocardial cushions and trabeculae. [provided by MGI curators]
Allele List at MGI
Other mutations in this stock
Total: 46 list
GeneRefVarChr/LocMutationPredicted EffectZygosity
Alkal1 T A 1: 6,459,728 (GRCm39) D101E probably benign Het
Ank2 C T 3: 126,741,271 (GRCm39) A1538T Het
Arhgap21 A G 2: 20,854,290 (GRCm39) S1701P probably damaging Het
Arhgap21 A G 2: 20,855,169 (GRCm39) Y1408H probably damaging Het
Armc3 A T 2: 19,293,761 (GRCm39) L517F probably damaging Het
Cep57l1 T A 10: 41,616,842 (GRCm39) E148D probably damaging Het
Clstn1 A C 4: 149,719,811 (GRCm39) Q452P probably damaging Het
Csmd1 C A 8: 16,151,004 (GRCm39) R1437L probably damaging Het
Dcbld1 C T 10: 52,188,922 (GRCm39) T249I possibly damaging Het
Dsp A G 13: 38,369,151 (GRCm39) E749G probably damaging Het
Enox1 A C 14: 77,815,220 (GRCm39) N126T probably damaging Het
Fgfr1 T A 8: 26,048,201 (GRCm39) L99Q probably damaging Het
Fscn3 G A 6: 28,434,445 (GRCm39) R340Q probably benign Het
Glrb C T 3: 80,767,491 (GRCm39) C243Y probably damaging Het
Gpld1 A T 13: 25,146,305 (GRCm39) Y183F probably damaging Het
Igtp A G 11: 58,097,906 (GRCm39) E359G probably benign Het
Kat14 A G 2: 144,236,162 (GRCm39) D509G probably damaging Het
Kbtbd2 C A 6: 56,756,722 (GRCm39) S338I possibly damaging Het
Mpdz A G 4: 81,253,986 (GRCm39) S1049P probably benign Het
Ncoa3 C T 2: 165,891,987 (GRCm39) A121V probably damaging Het
Nfatc4 A G 14: 56,069,414 (GRCm39) T647A possibly damaging Het
Nip7 T C 8: 107,783,997 (GRCm39) F79S probably damaging Het
Nrxn3 A C 12: 88,817,074 (GRCm39) E251D possibly damaging Het
Olig2 T C 16: 91,024,048 (GRCm39) I254T unknown Het
Or55b4 C A 7: 102,133,818 (GRCm39) V170F probably damaging Het
Or5ac16 G A 16: 59,022,318 (GRCm39) A157V probably benign Het
Ostf1 A T 19: 18,562,065 (GRCm39) L177* probably null Het
Pabpc2 A T 18: 39,907,319 (GRCm39) I195F possibly damaging Het
Pacs1 A T 19: 5,202,378 (GRCm39) M404K probably benign Het
Pcdh1 A G 18: 38,330,529 (GRCm39) S964P probably benign Het
Pcdhb3 T A 18: 37,436,012 (GRCm39) N659K probably benign Het
Pla2g6 A T 15: 79,181,633 (GRCm39) Y537* probably null Het
Plekhn1 G A 4: 156,316,691 (GRCm39) T330M probably damaging Het
Proc G A 18: 32,260,532 (GRCm39) R198* probably null Het
Rfx8 G T 1: 39,722,091 (GRCm39) T298K probably damaging Het
S1pr4 A C 10: 81,334,341 (GRCm39) S378A probably benign Het
Saxo5 T C 8: 3,533,525 (GRCm39) F277S probably damaging Het
Slfn2 T A 11: 82,960,799 (GRCm39) F259L probably damaging Het
Snx14 T C 9: 88,289,527 (GRCm39) T242A probably benign Het
Sptbn2 A G 19: 4,774,153 (GRCm39) N68S probably damaging Het
Tmem44 A T 16: 30,362,228 (GRCm39) S201T probably benign Het
Ttc3 A T 16: 94,188,241 (GRCm39) I177L probably benign Het
Vmn1r177 T C 7: 23,565,559 (GRCm39) T106A probably damaging Het
Vmn1r28 T C 6: 58,243,039 (GRCm39) M294T probably benign Het
Zfp518b G A 5: 38,829,530 (GRCm39) T825I probably benign Het
Zfp729b A T 13: 67,740,194 (GRCm39) N690K probably benign Het
Other mutations in Has2
AlleleSourceChrCoordTypePredicted EffectPPH Score
IGL01631:Has2 APN 15 56,545,072 (GRCm39) missense possibly damaging 0.51
IGL02027:Has2 APN 15 56,531,567 (GRCm39) missense probably damaging 1.00
IGL02178:Has2 APN 15 56,545,456 (GRCm39) missense probably damaging 1.00
IGL02493:Has2 APN 15 56,531,320 (GRCm39) missense probably damaging 1.00
IGL02533:Has2 APN 15 56,545,091 (GRCm39) missense probably benign 0.00
IGL03142:Has2 APN 15 56,545,491 (GRCm39) missense possibly damaging 0.92
IGL03240:Has2 APN 15 56,531,656 (GRCm39) missense probably damaging 1.00
R0189:Has2 UTSW 15 56,531,831 (GRCm39) missense probably damaging 1.00
R0362:Has2 UTSW 15 56,545,057 (GRCm39) missense probably damaging 1.00
R1377:Has2 UTSW 15 56,545,202 (GRCm39) missense probably damaging 1.00
R1762:Has2 UTSW 15 56,545,006 (GRCm39) missense probably benign 0.13
R1845:Has2 UTSW 15 56,531,974 (GRCm39) missense probably damaging 1.00
R2012:Has2 UTSW 15 56,531,264 (GRCm39) missense probably damaging 1.00
R2190:Has2 UTSW 15 56,531,183 (GRCm39) missense probably benign 0.00
R2656:Has2 UTSW 15 56,545,224 (GRCm39) missense possibly damaging 0.90
R2966:Has2 UTSW 15 56,545,533 (GRCm39) missense probably damaging 1.00
R4361:Has2 UTSW 15 56,545,344 (GRCm39) missense probably damaging 1.00
R5698:Has2 UTSW 15 56,531,312 (GRCm39) missense probably damaging 1.00
R5826:Has2 UTSW 15 56,531,498 (GRCm39) missense probably damaging 1.00
R5883:Has2 UTSW 15 56,531,459 (GRCm39) missense possibly damaging 0.49
R5942:Has2 UTSW 15 56,531,192 (GRCm39) nonsense probably null
R6433:Has2 UTSW 15 56,531,194 (GRCm39) missense possibly damaging 0.79
R6560:Has2 UTSW 15 56,531,660 (GRCm39) missense probably damaging 1.00
R6603:Has2 UTSW 15 56,531,968 (GRCm39) missense probably damaging 1.00
R7094:Has2 UTSW 15 56,545,017 (GRCm39) missense probably damaging 1.00
R7597:Has2 UTSW 15 56,531,817 (GRCm39) missense probably damaging 1.00
R8060:Has2 UTSW 15 56,533,341 (GRCm39) missense probably benign 0.00
R8145:Has2 UTSW 15 56,545,175 (GRCm39) missense probably benign
R8915:Has2 UTSW 15 56,531,885 (GRCm39) missense probably damaging 1.00
R8964:Has2 UTSW 15 56,531,061 (GRCm39) missense probably damaging 0.96
R9144:Has2 UTSW 15 56,545,588 (GRCm39) missense probably benign 0.03
R9411:Has2 UTSW 15 56,531,306 (GRCm39) missense possibly damaging 0.62
R9416:Has2 UTSW 15 56,531,684 (GRCm39) missense probably damaging 1.00
R9551:Has2 UTSW 15 56,531,090 (GRCm39) missense probably benign 0.00
R9552:Has2 UTSW 15 56,531,090 (GRCm39) missense probably benign 0.00
Z1177:Has2 UTSW 15 56,544,979 (GRCm39) missense probably benign 0.01
Predicted Primers PCR Primer
(F):5'- CAGCAGTGATATGTCTCCTGTGG -3'
(R):5'- GCACATCTGGAAGGAAGACC -3'

Sequencing Primer
(F):5'- ATATGTCTCCTGTGGTGGCAG -3'
(R):5'- CACATCTGGAAGGAAGACCATTGTTG -3'
Posted On 2019-11-26