Phosphogluconate dehydrogenase
| 6PGD | |||||||||
|---|---|---|---|---|---|---|---|---|---|
Crystallographic structure of sheep 6-phosphogluconate dehydrogenase complexed with adenosine 2'-monophosphate.
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| Identifiers | |||||||||
| Symbol | 6PGD | ||||||||
| Pfam | PF00393 | ||||||||
| Pfam clan | CL0106 | ||||||||
| InterPro | IPR006114 | ||||||||
| PROSITE | PDOC00390 | ||||||||
| SCOP | 2pgd | ||||||||
| SUPERFAMILY | 2pgd | ||||||||
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| Available protein structures: | |
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| Pfam | structures |
| PDB | RCSB PDB; PDBe; PDBj |
| PDBsum | structure summary |
| Phosphogluconate dehydrogenase | |||||||||
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| Identifiers | |||||||||
| EC number | 1.1.1.44 | ||||||||
| CAS number | 9001-82-5 | ||||||||
| Databases | |||||||||
| IntEnz | IntEnz view | ||||||||
| BRENDA | BRENDA entry | ||||||||
| ExPASy | NiceZyme view | ||||||||
| KEGG | KEGG entry | ||||||||
| MetaCyc | metabolic pathway | ||||||||
| PRIAM | profile | ||||||||
| PDB structures | RCSB PDB PDBe PDBsum | ||||||||
| Gene Ontology | AmiGO / EGO | ||||||||
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| Search | |
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| PMC | articles |
| PubMed | articles |
| NCBI | proteins |
| phosphogluconate dehydrogenase | |
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| Identifiers | |
| Symbol | PGD |
| Entrez | 5226 |
| HUGO | 8891 |
| OMIM | 172200 |
| RefSeq | NM_002631 |
| UniProt | P52209 |
| Other data | |
| EC number | 1.1.1.44 |
| Locus | Chr. 1 p36.3-36.13 |
6-Phosphogluconate dehydrogenase (6PGD) is an enzyme in the pentose phosphate pathway. It forms ribulose 5-phosphate from 6-phosphogluconate.
It is an oxidative carboxylase that catalyses the decarboxylating reduction of 6-phosphogluconate into ribulose 5-phosphate in the presence of NADP. This reaction is a component of the hexose mono-phosphate shunt and pentose phosphate pathways (PPP).Prokaryotic and eukaryotic 6PGD are proteins of about 470 amino acids whose sequences are highly conserved. The protein is a homodimer in which the monomers act independently: each contains a large, mainly alpha-helical domain and a smaller beta-alpha-beta domain, containing a mixed parallel and anti-parallel 6-stranded beta sheet. NADP is bound in a cleft in the small domain, the substrate binding in an adjacent pocket.
Mutations within the gene coding this enzyme result in 6-phosphogluconate dehydrogenase deficiency, an autosomal hereditary disease affecting the red blood cells.
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