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UROS

UROS
Identifikatori
Aliasi
Vanjski ID-jeviGeneCards: [1]
Ortolozi
VrsteČovjekMiš
Entrez
Ensembl
UniProt
RefSeq (mRNK)

n/a

n/a

RefSeq (bjelančevina)

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Lokacija (UCSC)n/an/a
PubMed pretragan/an/a
Wikipodaci
Pogledaj/uredi – čovjek
Uroporfirinogen-III sintaza
Monomer uroporfirinogen-III sintaze Thermus thermophilus}
Identifikatori
EC broj4.2.1.75
CAS broj37340-55-9
Baze podataka
IntEnzIntEnz pregled
BRENDABRENDA unos
ExPASyNiceZyme pregled
KEGGKEGG unos
MetaCycmetabolički put
PRIAMprofil
PDB struktureRCSB PDB PDBj PDBe PDBsum
Ontologija genaAmiGO / QuickGO
Pretraga
PMCčlanci
PubMedčlanci
NCBIproteini
Uroporpfirinogen III sintaza
Identifikatori
SimbolUROS
NCBI gen7390
HGNC12592
OMIM606938
RefSeqNM_000375
UniProtP10746
Ostali podaci
EC broj4.2.1.75
LokusHrom. 10 q25.2-26.3
Pretraga za
StruktureSwiss-model
DomeneInterPro
Uroporfirinogen-III sintaza HemD
Kristalna struktura uroporfirinogen III sintaze iz izrazito termofilne bakterije Thermus thermophilus hb8 (divlji tip, prirodni, kristalni oblik 2)
Identifikatori
SimbolHEM4

Uroporfirinogen III sintaza (4.2.1.75) je enzim uključen u metabolizam cikličkog tetrapirolskog spoja porfirin. Uključen je u pretvaranje hidroksimetil bilana u uroporfirinogen III. Ovaj enzim katalizira inverziju konačne pirolske jedinice (prsten D) linearne molekule tetrapirola, povezujući je s prvom jedinicom pirola (prsten A), stvarajući tako veliku makrocikličnu strukturu, uroporfirinogen III.[1] Enzim se savija u dva alfa/beta domena povezana beta ljestvama, pri čemu se aktivno mjesto nalazi između dva domena.[2]

Sinteza hema—: neke reakcije odvijaju se u citoplazmi a neke u mitohondrijama (žuto)

Patologija

Nedostatak uroporfirinogen III sintaze povezan je s Guntherovom bolešću, poznatom i kao kongenitalna eritropoetska porfirija (CEP). Ovo je autosomno recesivna urođena greška metabolizma koja je posljedica izrazito nedostatne aktivnosti ovog enzima.[3]

Reference

  1. ^ Raux E, Schubert HL, Warren MJ (decembar 2000). "Biosynthesis of cobalamin (vitamin B12): a bacterial conundrum". Cell. Mol. Life Sci. 57 (13–14): 1880–93. doi:10.1007/PL00000670. PMID 11215515. S2CID 583311.
  2. ^ Mathews MA, Schubert HL, Whitby FG, Alexander KJ, Schadick K, Bergonia HA, Phillips JD, Hill CP (novembar 2001). "Crystal structure of human uroporphyrinogen III synthase". EMBO J. 20 (21): 5832–9. doi:10.1093/emboj/20.21.5832. PMC 125291. PMID 11689424.
  3. ^ To-Figueras J, Badenas C, Mascaro JM, Madrigal I, Merino A, Bastida P, Lecha M, Herrero C (2007). "Study of the genotype-phenotype relationship in four cases of congenital erythropoietic porphyria". Blood Cells Mol. Dis. 38 (3): 242–6. doi:10.1016/j.bcmd.2006.12.001. PMID 17270473.

Vanjski linkovi

Ovaj članak uključuje tekst iz javnog domena Pfam i InterPro: IPR003754

Šablon:Biosinteza porfirinskih enzima Šablon:Lijaze ugljik-kisik

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