Gene Gene information from NCBI Gene database.
Entrez ID 3145
Gene name Hydroxymethylbilane synthase
Gene symbol HMBS
Synonyms (NCBI Gene)
ENCEPLENCEPPBG-DPBGDPORCUPS
Chromosome 11
Chromosome location 11q23.3
Summary 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 hydroxymethy
SNPs SNP information provided by dbSNP.
69
SNP ID Visualize variation Clinical significance Consequence
rs34413634 C>T Likely-pathogenic Coding sequence variant, missense variant
rs118204094 C>T Pathogenic Coding sequence variant, missense variant
rs118204095 G>A,T Likely-pathogenic, pathogenic Coding sequence variant, missense variant
rs118204096 G>A Pathogenic Coding sequence variant, missense variant
rs118204097 C>T Pathogenic Coding sequence variant, stop gained
miRNA miRNA information provided by mirtarbase database.
10
miRTarBase ID miRNA Experiments Reference
MIRT050301 hsa-miR-25-3p CLASH 23622248
MIRT1048861 hsa-miR-181a CLIP-seq
MIRT1048862 hsa-miR-181b CLIP-seq
MIRT1048863 hsa-miR-181c CLIP-seq
MIRT1048864 hsa-miR-181d CLIP-seq
Gene ontology (GO) Gene Ontology (GO) annotations describing the biological processes, molecular functions, and cellular components associated with a gene.
25
GO ID Ontology Definition Evidence Reference
GO:0004418 Function Hydroxymethylbilane synthase activity IBA
GO:0004418 Function Hydroxymethylbilane synthase activity IDA 18004775, 18936296
GO:0004418 Function Hydroxymethylbilane synthase activity IEA
GO:0004418 Function Hydroxymethylbilane synthase activity TAS 2025226
GO:0005515 Function Protein binding IPI 32296183, 32814053
Other IDs Other IDs provides unique identifiers for this gene in OMIM, HGNC, and Ensembl databases.
MIM HGNC e!Ensembl
609806 4982 ENSG00000256269
Protein Protein information from UniProt database.
UniProt ID Unique identifier for the protein in the UniProt database. Click to view detailed protein information.
P08397
Protein name Porphobilinogen deaminase (PBG-D) (EC 2.5.1.61) (Hydroxymethylbilane synthase) (HMBS) (Pre-uroporphyrinogen synthase)
Protein function As part of the heme biosynthetic pathway, catalyzes the sequential polymerization of four molecules of porphobilinogen to form hydroxymethylbilane, also known as preuroporphyrinogen (PubMed:18004775, PubMed:18936296, PubMed:19138865, PubMed:2381
PDB 3ECR , 3EQ1 , 5M6R , 5M7F , 7AAJ , 7AAK , 7CCX , 7CCY , 7CCZ , 7CD0 , 8PND
Family and domains

Pfam

Accession ID Position in sequence Description Type
PF01379 Porphobil_deam 21 233 Porphobilinogen deaminase, dipyromethane cofactor binding domain Domain
PF03900 Porphobil_deamC 244 322 Porphobilinogen deaminase, C-terminal domain Domain
Tissue specificity TISSUE SPECIFICITY: [Isoform 1]: Is ubiquitously expressed. {ECO:0000269|PubMed:3422427}.; TISSUE SPECIFICITY: [Isoform 2]: Is found only in erythroid cells. {ECO:0000269|PubMed:3422427}.
Sequence
Sequence length 361
Interactions View interactions
Pathways Pathway information has different metabolic/signaling pathways associated with genes.
  KEGG  Reactome
  Porphyrin metabolism
Metabolic pathways
Biosynthesis of cofactors
  Heme biosynthesis
Associated diseases Disease associations from ClinVar categorized as Causal (Pathogenic/Likely Pathogenic) or Unknown.
211
Causal Diseases associated with Pathogenic or Likely Pathogenic variants in ClinVar
Phenotype Name Clinical Significance dbSNP ID RCV Accession
Abdominal pain Pathogenic; Likely pathogenic rs1057518886, rs1057518806 RCV000415135
RCV000415138
Abnormal circulating porphyrin concentration Pathogenic rs1592217625 RCV001003599
Acute episodes of neuropathic symptoms Likely pathogenic rs1057518806 RCV000415138
Acute intermittent porphyria Likely pathogenic; Pathogenic rs1946187914, rs1946317952, rs2134885779, rs2134859316, rs1565754452, rs118204095, rs118204103, rs118204094, rs118204096, rs118204097, rs118204098, rs118204099, rs1565758825, rs118204100, rs118204104
View all (46 more)
RCV001332261
RCV001332263
RCV002246365
RCV001786486
RCV001789607
RCV005042682
RCV000001508
RCV000001510
RCV000001511
RCV000001512
RCV000001513
RCV000001514
RCV000001515
RCV000001516
RCV000001518
RCV000001519
RCV000001520
RCV000001521
RCV000001522
RCV000001524
RCV000001525
RCV000001526
RCV000001529
RCV000001530
RCV000001531
RCV000001533
RCV000001534
RCV000001535
RCV000001536
RCV000001538
RCV000001539
RCV000001540
RCV000001541
RCV000001542
RCV000001543
RCV000001544
RCV000001548
RCV000001551
RCV002225205
RCV002293282
RCV000148509
RCV003319952
RCV003333896
RCV003334474
RCV003445455
RCV004818379
RCV003990487
RCV003994651
RCV004594970
RCV001197501
RCV001254080
RCV000625717
RCV000664186
RCV000755705
RCV003152734
RCV002280823
RCV001198558
RCV002249519
RCV005253130
RCV003152735
RCV005407999
RCV000855547
RCV001535464
RCV001171316
RCV001198011
Unknown Diseases with uncertain, conflicting, or no pathogenic evidence in ClinVar
Phenotype Name Clinical Significance dbSNP ID RCV Accession
Acute myeloid leukemia Benign; Likely benign rs28990986, rs373396982 RCV005924512
RCV005928455
Cervical cancer Benign rs199862927 RCV005926264
Cholangiocarcinoma Benign rs28990986 RCV005924516
Familial cancer of breast Benign rs199862927 RCV005926263
Associations from Text MiningDisease associations identified through Pubtator
Disease Name Relationship Type References
Alzheimer Disease Associate 19477221
Carcinogenesis Associate 35636578
Carcinoma Hepatocellular Associate 19036168, 23811755, 35636578
Carcinoma Pancreatic Ductal Associate 36409970
Coproporphyria Hereditary Associate 19460837, 31073229
Emanuel syndrome Associate 1824246
Genetic Diseases Inborn Associate 17298217
Hepatitis C Associate 27193023
Heredodegenerative Disorders Nervous System Associate 37729906
Homocystinuria Associate 6940198