Ternary complex of saccharopine reductase from Magnaporthe grisea, NADPH and saccharopine
External Resource: Annotation
Domain Annotation: SCOP/SCOPe Classification SCOP-e Database Homepage
Domain Annotation: SCOP2 Classification SCOP2 Database Homepage
| Chains | Type | Family Name | Domain Identifier | Family Identifier | Provenance Source (Version) |
|---|---|---|---|---|---|
| H | SCOP2B Superfamily | GAPDH-like | 8000954 | 3000043 | SCOP2B (2022-06-29) |
| G | SCOP2B Superfamily | GAPDH-like | 8000954 | 3000043 | SCOP2B (2022-06-29) |
| F | SCOP2B Superfamily | GAPDH-like | 8000954 | 3000043 | SCOP2B (2022-06-29) |
| E | SCOP2B Superfamily | GAPDH-like | 8000954 | 3000043 | SCOP2B (2022-06-29) |
| D | SCOP2B Superfamily | GAPDH-like | 8000954 | 3000043 | SCOP2B (2022-06-29) |
| C | SCOP2B Superfamily | GAPDH-like | 8000954 | 3000043 | SCOP2B (2022-06-29) |
| B | SCOP2B Superfamily | GAPDH-like | 8000954 | 3000043 | SCOP2B (2022-06-29) |
| A | SCOP2 Family | Saccharopine reductase-like | 8000953 | 4000094 | SCOP2 (2022-06-29) |
| A | SCOP2 Superfamily | GAPDH-like | 8000954 | 3000043 | SCOP2 (2022-06-29) |
Domain Annotation: ECOD Classification ECOD Database Homepage
| Chains | Family Name | Domain Identifier | Architecture | Possible Homology | Homology | Topology | Family | Provenance Source (Version) |
|---|---|---|---|---|---|---|---|---|
| H | Sacchrp_dh_C | e1e5qH1 | A: a+b two layers | X: FwdE/GAPDH domain-like | H: Glyceraldehyde-3-phosphate dehydrogenase-like, C-terminal domain (From Topology) | T: Glyceraldehyde-3-phosphate dehydrogenase-like, C-terminal domain | F: Sacchrp_dh_C | ECOD (1.6) |
| H | Sacchrp_dh_NADP | e1e5qH2 | A: a/b three-layered sandwiches | X: Rossmann-like | H: Rossmann-related | T: NAD(P)-binding Rossmann-fold domains | F: Sacchrp_dh_NADP | ECOD (1.6) |
| G | Sacchrp_dh_C | e1e5qG1 | A: a+b two layers | X: FwdE/GAPDH domain-like | H: Glyceraldehyde-3-phosphate dehydrogenase-like, C-terminal domain (From Topology) | T: Glyceraldehyde-3-phosphate dehydrogenase-like, C-terminal domain | F: Sacchrp_dh_C | ECOD (1.6) |
| G | Sacchrp_dh_NADP | e1e5qG2 | A: a/b three-layered sandwiches | X: Rossmann-like | H: Rossmann-related | T: NAD(P)-binding Rossmann-fold domains | F: Sacchrp_dh_NADP | ECOD (1.6) |
| F | Sacchrp_dh_C | e1e5qF1 | A: a+b two layers | X: FwdE/GAPDH domain-like | H: Glyceraldehyde-3-phosphate dehydrogenase-like, C-terminal domain (From Topology) | T: Glyceraldehyde-3-phosphate dehydrogenase-like, C-terminal domain | F: Sacchrp_dh_C | ECOD (1.6) |
| F | Sacchrp_dh_NADP | e1e5qF2 | A: a/b three-layered sandwiches | X: Rossmann-like | H: Rossmann-related | T: NAD(P)-binding Rossmann-fold domains | F: Sacchrp_dh_NADP | ECOD (1.6) |
| E | Sacchrp_dh_C | e1e5qE1 | A: a+b two layers | X: FwdE/GAPDH domain-like | H: Glyceraldehyde-3-phosphate dehydrogenase-like, C-terminal domain (From Topology) | T: Glyceraldehyde-3-phosphate dehydrogenase-like, C-terminal domain | F: Sacchrp_dh_C | ECOD (1.6) |
| E | Sacchrp_dh_NADP | e1e5qE2 | A: a/b three-layered sandwiches | X: Rossmann-like | H: Rossmann-related | T: NAD(P)-binding Rossmann-fold domains | F: Sacchrp_dh_NADP | ECOD (1.6) |
| D | Sacchrp_dh_C | e1e5qD1 | A: a+b two layers | X: FwdE/GAPDH domain-like | H: Glyceraldehyde-3-phosphate dehydrogenase-like, C-terminal domain (From Topology) | T: Glyceraldehyde-3-phosphate dehydrogenase-like, C-terminal domain | F: Sacchrp_dh_C | ECOD (1.6) |
| D | Sacchrp_dh_NADP | e1e5qD2 | A: a/b three-layered sandwiches | X: Rossmann-like | H: Rossmann-related | T: NAD(P)-binding Rossmann-fold domains | F: Sacchrp_dh_NADP | ECOD (1.6) |
| C | Sacchrp_dh_C | e1e5qC1 | A: a+b two layers | X: FwdE/GAPDH domain-like | H: Glyceraldehyde-3-phosphate dehydrogenase-like, C-terminal domain (From Topology) | T: Glyceraldehyde-3-phosphate dehydrogenase-like, C-terminal domain | F: Sacchrp_dh_C | ECOD (1.6) |
| C | Sacchrp_dh_NADP | e1e5qC2 | A: a/b three-layered sandwiches | X: Rossmann-like | H: Rossmann-related | T: NAD(P)-binding Rossmann-fold domains | F: Sacchrp_dh_NADP | ECOD (1.6) |
| B | Sacchrp_dh_C | e1e5qB1 | A: a+b two layers | X: FwdE/GAPDH domain-like | H: Glyceraldehyde-3-phosphate dehydrogenase-like, C-terminal domain (From Topology) | T: Glyceraldehyde-3-phosphate dehydrogenase-like, C-terminal domain | F: Sacchrp_dh_C | ECOD (1.6) |
| B | Sacchrp_dh_NADP | e1e5qB2 | A: a/b three-layered sandwiches | X: Rossmann-like | H: Rossmann-related | T: NAD(P)-binding Rossmann-fold domains | F: Sacchrp_dh_NADP | ECOD (1.6) |
| A | Sacchrp_dh_C | e1e5qA1 | A: a+b two layers | X: FwdE/GAPDH domain-like | H: Glyceraldehyde-3-phosphate dehydrogenase-like, C-terminal domain (From Topology) | T: Glyceraldehyde-3-phosphate dehydrogenase-like, C-terminal domain | F: Sacchrp_dh_C | ECOD (1.6) |
| A | Sacchrp_dh_NADP | e1e5qA2 | A: a/b three-layered sandwiches | X: Rossmann-like | H: Rossmann-related | T: NAD(P)-binding Rossmann-fold domains | F: Sacchrp_dh_NADP | ECOD (1.6) |
Domain Annotation: CATH CATH Database Homepage
Protein Family Annotation Pfam Database Homepage
| Chains | Accession | Name | Description | Comments | Source |
|---|---|---|---|---|---|
| PF16653 | Saccharopine dehydrogenase C-terminal domain (Sacchrp_dh_C) | Saccharopine dehydrogenase C-terminal domain | This family comprises the C-terminal domain of saccharopine dehydrogenase. In some organisms this enzyme is found as a bifunctional polypeptide with lysine ketoglutarate reductase. The saccharopine dehydrogenase can also function as a saccharopine re ... | Domain | |
| PF03435 | Saccharopine dehydrogenase NADP binding domain (Sacchrp_dh_NADP) | Saccharopine dehydrogenase NADP binding domain | - | Family |
Gene Ontology: Gene Product Annotation Gene Ontology Database Homepage
InterPro: Protein Family Classification InterPro Database Homepage
| Chains | Accession | Name | Type |
|---|---|---|---|
| IPR005097 | Saccharopine dehydrogenase, NADP binding domain | Domain | |
| IPR036291 | NAD(P)-binding domain superfamily | Homologous Superfamily | |
| IPR032095 | Saccharopine dehydrogenase-like, C-terminal | Domain | |
| IPR051168 | Alpha-aminoadipic semialdehyde synthase | Family |
Structure Motif Annotation: Mechanism and Catalytic Site Atlas M-CSA Database Homepage
| Chains | Enzyme Name | Description | Catalytic Residues |
|---|---|---|---|
| saccharopine dehydrogenase (NADP+, L-glutamate-forming) M-CSA #618 | Two lysine biosynthesis pathway: ubiquitous diaminopimelate pathway found in plants, bacteria and lower fungi. And the alpha-aminoadipate pathway (AAA pathway) found in higher fungi and cyanobacteria. The AAA pathway synthesises lysine from alpha-ketoglutarate and it is a member of the glutamate family of amino acid biosynthetic pathways. A number of fungi using this lysine synthesis pathway are human and plant pathogens. Selective inhibition of the essential biosynthetic pathway of lysine can be a possible means of controlling these pathogens. Saccharopine reductase catalyses the penultimate step in the AAA pathway in which glutamate and alpha-aminoadipic-delta-semialdehyde are reversibly converted to saccharophine, using, in preference, NADPH as cofactor. But it can also utilise NADH though with low catalytic efficiency. | EC: 1.5.1.10 (PDB Primary Data) |














