Incidental Mutation 'IGL01526:Hmbs'
ID 89569
Institutional Source Australian Phenomics Network (link to record)
Gene Symbol Hmbs
Ensembl Gene ENSMUSG00000032126
Gene Name hydroxymethylbilane synthase
Synonyms Uros1, Ups, porphobilinogen deaminase, PBGD
Accession Numbers
Essential gene? Essential (E-score: 1.000) question?
Stock # IGL01526
Quality Score
Status
Chromosome 9
Chromosomal Location 44247645-44255525 bp(-) (GRCm39)
Type of Mutation missense
DNA Base Change (assembly) A to G at 44250845 bp (GRCm39)
Zygosity Heterozygous
Amino Acid Change Valine to Alanine at position 126 (V126A)
Ref Sequence ENSEMBL: ENSMUSP00000095166 (fasta)
Gene Model predicted gene model for transcript(s): [ENSMUST00000052686] [ENSMUST00000077353] [ENSMUST00000097558] [ENSMUST00000215091] [ENSMUST00000216852]
AlphaFold P22907
Predicted Effect probably benign
Transcript: ENSMUST00000052686
SMART Domains Protein: ENSMUSP00000051432
Gene: ENSMUSG00000049932

DomainStartEndE-ValueType
H2A 3 123 1.64e-81 SMART
Predicted Effect possibly damaging
Transcript: ENSMUST00000077353
AA Change: V143A

PolyPhen 2 Score 0.907 (Sensitivity: 0.81; Specificity: 0.94)
SMART Domains Protein: ENSMUSP00000076575
Gene: ENSMUSG00000032126
AA Change: V143A

DomainStartEndE-ValueType
Pfam:Porphobil_deam 21 233 1.7e-79 PFAM
Pfam:Porphobil_deamC 244 323 6.8e-24 PFAM
Predicted Effect possibly damaging
Transcript: ENSMUST00000097558
AA Change: V126A

PolyPhen 2 Score 0.907 (Sensitivity: 0.81; Specificity: 0.94)
SMART Domains Protein: ENSMUSP00000095166
Gene: ENSMUSG00000032126
AA Change: V126A

DomainStartEndE-ValueType
Pfam:Porphobil_deam 3 219 3.9e-95 PFAM
Pfam:Porphobil_deamC 227 327 4.7e-23 PFAM
Predicted Effect noncoding transcript
Transcript: ENSMUST00000196879
Predicted Effect noncoding transcript
Transcript: ENSMUST00000214012
Predicted Effect noncoding transcript
Transcript: ENSMUST00000214967
Predicted Effect probably benign
Transcript: ENSMUST00000215091
Predicted Effect probably benign
Transcript: ENSMUST00000216852
Predicted Effect noncoding transcript
Transcript: ENSMUST00000215859
Predicted Effect probably benign
Transcript: ENSMUST00000216658
Predicted Effect noncoding transcript
Transcript: ENSMUST00000215934
Coding Region Coverage
Validation Efficiency
MGI Phenotype FUNCTION: [Summary is not available for the mouse gene. This summary is for the human ortholog.] This gene encodes a member of the hydroxymethylbilane synthase superfamily. The encoded protein is the third enzyme of the heme biosynthetic pathway and catalyzes the head to tail condensation of four porphobilinogen molecules into the linear hydroxymethylbilane. Mutations in this gene are associated with the autosomal dominant disease acute intermittent porphyria. Alternatively spliced transcript variants encoding different isoforms have been described. [provided by RefSeq, Jul 2008]
PHENOTYPE: Mice heterozygous for one null allele and a functional allele with a milder mutation exhibit typical features of acute intermittent porphyria with massive urinary excretion of aminolevulinic acid after phenobarbital treatment, erythruria, ataxia, motor dysfunction, and neurologic muscle atrophy. [provided by MGI curators]
Allele List at MGI
Other mutations in this stock
Total: 32 list
GeneRefVarChr/LocMutationPredicted EffectZygosity
1500002C15Rik G T 4: 155,818,628 (GRCm39) probably benign Het
4933430I17Rik G T 4: 62,450,858 (GRCm39) R107L possibly damaging Het
Acvr1 A T 2: 58,348,997 (GRCm39) D388E probably benign Het
Art3 T C 5: 92,562,199 (GRCm39) S354P probably damaging Het
Bpnt1 C A 1: 185,077,591 (GRCm39) S102* probably null Het
Ces1a G T 8: 93,771,726 (GRCm39) P24T probably damaging Het
Cfap65 A T 1: 74,950,237 (GRCm39) S1171T probably damaging Het
Cracd T A 5: 77,005,478 (GRCm39) M613K unknown Het
Csn2 T C 5: 87,842,838 (GRCm39) H47R possibly damaging Het
Gm14496 T A 2: 181,637,458 (GRCm39) D177E probably benign Het
Ica1l A G 1: 60,054,916 (GRCm39) M105T probably damaging Het
Morc2a G A 11: 3,600,428 (GRCm39) E17K probably benign Het
Mroh8 T C 2: 157,080,232 (GRCm39) probably benign Het
Mroh9 G T 1: 162,883,172 (GRCm39) L436I probably damaging Het
Nup54 T C 5: 92,565,334 (GRCm39) D461G probably benign Het
Or10ag2 A T 2: 87,249,319 (GRCm39) D309V probably damaging Het
Or2t45 A G 11: 58,669,123 (GRCm39) T57A probably benign Het
Pcid2 G A 8: 13,135,319 (GRCm39) probably benign Het
Ppp1r3b G T 8: 35,851,872 (GRCm39) R237L probably benign Het
Prdm11 A G 2: 92,843,102 (GRCm39) V119A probably damaging Het
S100a7l2 T A 3: 90,995,612 (GRCm39) probably benign Het
Serpina5 T A 12: 104,068,149 (GRCm39) V70E probably damaging Het
Skap2 C T 6: 51,884,894 (GRCm39) D249N probably benign Het
Slc22a29 A T 19: 8,184,542 (GRCm39) probably benign Het
Slc4a1ap C A 5: 31,685,571 (GRCm39) T283K possibly damaging Het
Slc6a21 T G 7: 44,937,220 (GRCm39) I575S probably damaging Het
Smpd1 T G 7: 105,203,982 (GRCm39) W82G probably benign Het
Snx14 T A 9: 88,263,553 (GRCm39) M897L probably damaging Het
Tjp1 A G 7: 64,972,406 (GRCm39) V586A probably damaging Het
Tmc8 T C 11: 117,682,910 (GRCm39) probably benign Het
Trim34a A G 7: 103,909,706 (GRCm39) Y298C probably damaging Het
Ube3c T C 5: 29,872,960 (GRCm39) V1000A probably damaging Het
Other mutations in Hmbs
AlleleSourceChrCoordTypePredicted EffectPPH Score
IGL02312:Hmbs APN 9 44,252,510 (GRCm39) critical splice donor site probably null
R0386:Hmbs UTSW 9 44,248,305 (GRCm39) missense probably benign 0.06
R0411:Hmbs UTSW 9 44,252,949 (GRCm39) nonsense probably null
R0656:Hmbs UTSW 9 44,248,657 (GRCm39) missense probably benign 0.31
R1503:Hmbs UTSW 9 44,248,729 (GRCm39) missense probably benign 0.42
R1560:Hmbs UTSW 9 44,248,657 (GRCm39) missense possibly damaging 0.71
R1953:Hmbs UTSW 9 44,248,741 (GRCm39) missense probably damaging 1.00
R2127:Hmbs UTSW 9 44,252,004 (GRCm39) missense probably benign 0.09
R4637:Hmbs UTSW 9 44,250,834 (GRCm39) missense probably damaging 1.00
R5549:Hmbs UTSW 9 44,250,774 (GRCm39) critical splice donor site probably null
R6611:Hmbs UTSW 9 44,252,988 (GRCm39) missense probably damaging 0.98
R7509:Hmbs UTSW 9 44,248,208 (GRCm39) missense
R7702:Hmbs UTSW 9 44,248,147 (GRCm39) splice site probably null
R8383:Hmbs UTSW 9 44,249,240 (GRCm39) missense probably damaging 1.00
R8506:Hmbs UTSW 9 44,252,921 (GRCm39) critical splice donor site probably null
R9069:Hmbs UTSW 9 44,248,102 (GRCm39) missense possibly damaging 0.79
R9149:Hmbs UTSW 9 44,252,983 (GRCm39) nonsense probably null
R9780:Hmbs UTSW 9 44,247,985 (GRCm39) missense probably damaging 1.00
X0024:Hmbs UTSW 9 44,249,265 (GRCm39) missense possibly damaging 0.89
Posted On 2013-12-03