Domain Annotation: SCOP2 Classification SCOP2 Database Homepage

ChainsTypeFamily Name Domain Identifier Family IdentifierProvenance Source (Version)
ASCOP2B SuperfamilyGAPDH-like 8000923 3000043 SCOP2B (2022-06-29)
BSCOP2B SuperfamilyGAPDH-like 8000923 3000043 SCOP2B (2022-06-29)

Domain Annotation: ECOD Classification ECOD Database Homepage

ChainsFamily NameDomain Identifier ArchitecturePossible HomologyHomologyTopologyFamilyProvenance Source (Version)
AG6PD_Ce1dpgA1 A: a+b two layersX: FwdE/GAPDH domain-likeH: Glyceraldehyde-3-phosphate dehydrogenase-like, C-terminal domain (From Topology)T: Glyceraldehyde-3-phosphate dehydrogenase-like, C-terminal domainF: G6PD_CECOD (1.6)
AG6PD_Ne1dpgA2 A: a/b three-layered sandwichesX: Rossmann-likeH: Rossmann-relatedT: NAD(P)-binding Rossmann-fold domainsF: G6PD_NECOD (1.6)
BG6PD_Ce1dpgB1 A: a+b two layersX: FwdE/GAPDH domain-likeH: Glyceraldehyde-3-phosphate dehydrogenase-like, C-terminal domain (From Topology)T: Glyceraldehyde-3-phosphate dehydrogenase-like, C-terminal domainF: G6PD_CECOD (1.6)
BG6PD_Ne1dpgB2 A: a/b three-layered sandwichesX: Rossmann-likeH: Rossmann-relatedT: NAD(P)-binding Rossmann-fold domainsF: G6PD_NECOD (1.6)

Domain Annotation: CATH CATH Database Homepage

Protein Family Annotation Pfam Database Homepage

ChainsAccessionNameDescriptionCommentsSource
A, B
PF00479Glucose-6-phosphate dehydrogenase, NAD binding domain (G6PD_N)Glucose-6-phosphate dehydrogenase, NAD binding domain- Domain
A, B
PF02781Glucose-6-phosphate dehydrogenase, C-terminal domain (G6PD_C)Glucose-6-phosphate dehydrogenase, C-terminal domain- Domain

Gene Ontology: Gene Product Annotation Gene Ontology Database Homepage

ChainsPolymerMolecular FunctionBiological ProcessCellular Component
A, B
GLUCOSE 6-PHOSPHATE DEHYDROGENASE -

Structure Motif Annotation: Mechanism and Catalytic Site Atlas M-CSA Database Homepage

ChainsEnzyme NameDescriptionCatalytic Residues
glucose-6-phosphate dehydrogenase  M-CSA #843

Glucose-6-phosphate dehydrogenase (G6PDH) is a ubiquitous protein, present in bacteria and all eukaryotic cell types. The enzyme catalyses the the first step in the pentose pathway: the conversion of glucose-6-phosphate to gluconolactone 6-phosphate in the presence of NADP, producing NADPH. The ubiquitous expression of the enzyme gives it a major role in the production of NADPH for the many NADPH-mediated reductive processes in all cells. Deficiency of G6PDH is a common genetic abnormality affecting millions of people worldwide. Many sequence variants, most caused by single point mutations, are known, exhibiting a wide variety of phenotypes.

Defined by 3 residues: ASP:A-177HIS:A-178HIS:A-240
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Explore in 3DM-CSA Motif Definition