NameDelta-aminolevulinic acid dehydratase
Synonyms
  • 4.2.1.24
  • ALADH
  • Porphobilinogen synthase
Gene NameALAD
OrganismHuman
Amino acid sequence
>lcl|BSEQ0000100|Delta-aminolevulinic acid dehydratase
MQPQSVLHSGYFHPLLRAWQTATTTLNASNLIYPIFVTDVPDDIQPITSLPGVARYGVKR
LEEMLRPLVEEGLRCVLIFGVPSRVPKDERGSAADSEESPAIEAIHLLRKTFPNLLVACD
VCLCPYTSHGHCGLLSENGAFRAEESRQRLAEVALAYAKAGCQVVAPSDMMDGRVEAIKE
ALMAHGLGNRVSVMSYSAKFASCFYGPFRDAAKSSPAFGDRRCYQLPPGARGLALRAVDR
DVREGADMLMVKPGMPYLDIVREVKDKHPDLPLAVYHVSGEFAMLWHGAQAGAFDLKAAV
LEAMTAFRRAGADIIITYYTPQLLQWLKEE
Number of residues330
Molecular Weight36294.485
Theoretical pI6.78
GO Classification
Functions
  • identical protein binding
  • lead ion binding
  • catalytic activity
  • zinc ion binding
  • porphobilinogen synthase activity
Processes
  • response to vitamin B1
  • response to selenium ion
  • small molecule metabolic process
  • response to vitamin E
  • protein homooligomerization
  • response to ionizing radiation
  • response to mercury ion
  • response to hypoxia
  • cellular response to lead ion
  • response to activity
  • heme biosynthetic process
  • response to glucocorticoid
  • porphyrin-containing compound metabolic process
  • response to lipopolysaccharide
  • protoporphyrinogen IX biosynthetic process
  • response to amino acid
  • response to aluminum ion
  • response to ethanol
  • response to arsenic-containing substance
  • response to zinc ion
  • response to cobalt ion
  • cellular response to interleukin-4
  • response to fatty acid
  • response to cadmium ion
  • response to drug
  • response to iron ion
  • response to herbicide
  • response to oxidative stress
  • response to platinum ion
  • response to methylmercury
Components
  • extracellular space
  • cytosol
  • extracellular exosome
  • nucleus
General FunctionZinc ion binding
Specific FunctionCatalyzes an early step in the biosynthesis of tetrapyrroles. Binds two molecules of 5-aminolevulinate per subunit, each at a distinct site, and catalyzes their condensation to form porphobilinogen.
Pfam Domain Function
Transmembrane RegionsNot Available
GenBank Protein ID178329
UniProtKB IDP13716
UniProtKB Entry NameHEM2_HUMAN
Cellular LocationNot Available
Gene sequence
>lcl|BSEQ0010142|Delta-aminolevulinic acid dehydratase (ALAD)
ATGCAGCCCCAGTCCGTTCTGCACAGCGGCTACTTCCACCCACTACTTCGGGCCTGGCAG
ACAGCCACCACCACCCTCAATGCCTCCAACCTCATCTACCCCATCTTTGTCACGGATGTT
CCTGATGACATACAGCCTATCACCAGCCTCCCAGGAGTGGCCAGGTATGGTGTGAAGCGG
CTGGAAGAGATGCTGAGGCCCTTGGTGGAAGAGGGCCTACGCTGTGTCTTGATCTTTGGC
GTCCCCAGCAGAGTTCCCAAGGACGAGCGGGGTTCCGCAGCTGACTCCGAGGAGTCCCCA
GCTATTGAGGCAATCCATCTGTTGAGGAAGACCTTCCCCAACCTCCTGGTGGCCTGTGAT
GTCTGCCTGTGTCCCTACACCTCCCATGGTCACTGCGGGCTCCTGAGTGAAAACGGAGCA
TTCCGGGCTGAGGAGAGCCGCCAGCGGCTGGCTGAGGTGGCATTGGCGTATGCCAAGGCA
GGATGTCAGGTGGTAGCCCCGTCGGACATGATGGATGGACGCGTGGAAGCCATCAAAGAG
GCCCTGATGGCACATGGACTTGGCAACAGGGTATCGGTGATGAGCTACAGTGCCAAATTT
GCTTCCTGTTTCTATGGCCCTTTCCGGGATGCAGCTAAGTCAAGCCCAGCTTTTGGGGAC
CGCCGCTGCTACCAGCTGCCCCCTGGAGCACGAGGCCTGGCTCTCCGAGCTGTGGACCGG
GATGTACGGGAAGGAGCTGACATGCTCATGGTGAAGCCGGGAATGCCCTACCTGGACATC
GTGCGGGAGGTAAAGGACAAGCACCCTGACCTCCCTCTCGCCGTGTACCACGTCTCTGGA
GAGTTTGCCATGCTGTGGCATGGAGCCCAGGCCGGGGCATTTGATCTCAAGGCTGCCGTA
CTGGAGGCCATGACTGCCTTCCGCAGAGCAGGTGCTGACATCATCATCACCTACTACACA
CCGCAGCTGCTGCAGTGGCTGAAGGAGGAATGA
GenBank Gene IDM13928
GeneCard IDNot Available
GenAtlas IDALAD
HGNC IDHGNC:395
Chromosome Location9
Locus9q33.1
References
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  2. Astrin KH, Kaya AH, Wetmur JG, Desnick RJ: RsaI polymorphism in the human delta-aminolevulinate dehydratase gene at 9q34. Nucleic Acids Res. 1991 Aug 11;19(15):4307. 1678509
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