Domain Annotation: SCOP/SCOPe Classification SCOP-e Database Homepage

ChainsDomain InfoClassFoldSuperfamilyFamilyDomainSpeciesProvenance Source (Version)
Ad1do8a1 Alpha and beta proteins (a/b) NAD(P)-binding Rossmann-fold domains NAD(P)-binding Rossmann-fold domains Aminoacid dehydrogenase-like, C-terminal domain Mitochondrial NAD(P)-dependent malic enzyme human (Homo sapiens ) [TaxId: 9606 ], SCOPe (2.08)
Ad1do8a2 Alpha and beta proteins (a/b) Aminoacid dehydrogenase-like, N-terminal domain Aminoacid dehydrogenase-like, N-terminal domain Malic enzyme N-domain Mitochondrial NAD(P)-dependent malic enzyme human (Homo sapiens ) [TaxId: 9606 ], SCOPe (2.08)
Bd1do8b3 Alpha and beta proteins (a/b) NAD(P)-binding Rossmann-fold domains NAD(P)-binding Rossmann-fold domains Aminoacid dehydrogenase-like, C-terminal domain Mitochondrial NAD(P)-dependent malic enzyme human (Homo sapiens ) [TaxId: 9606 ], SCOPe (2.08)
Bd1do8b4 Alpha and beta proteins (a/b) Aminoacid dehydrogenase-like, N-terminal domain Aminoacid dehydrogenase-like, N-terminal domain Malic enzyme N-domain Mitochondrial NAD(P)-dependent malic enzyme human (Homo sapiens ) [TaxId: 9606 ], SCOPe (2.08)
Cd1do8c3 Alpha and beta proteins (a/b) NAD(P)-binding Rossmann-fold domains NAD(P)-binding Rossmann-fold domains Aminoacid dehydrogenase-like, C-terminal domain Mitochondrial NAD(P)-dependent malic enzyme human (Homo sapiens ) [TaxId: 9606 ], SCOPe (2.08)
Cd1do8c4 Alpha and beta proteins (a/b) Aminoacid dehydrogenase-like, N-terminal domain Aminoacid dehydrogenase-like, N-terminal domain Malic enzyme N-domain Mitochondrial NAD(P)-dependent malic enzyme human (Homo sapiens ) [TaxId: 9606 ], SCOPe (2.08)
Dd1do8d3 Alpha and beta proteins (a/b) NAD(P)-binding Rossmann-fold domains NAD(P)-binding Rossmann-fold domains Aminoacid dehydrogenase-like, C-terminal domain Mitochondrial NAD(P)-dependent malic enzyme human (Homo sapiens ) [TaxId: 9606 ], SCOPe (2.08)
Dd1do8d4 Alpha and beta proteins (a/b) Aminoacid dehydrogenase-like, N-terminal domain Aminoacid dehydrogenase-like, N-terminal domain Malic enzyme N-domain Mitochondrial NAD(P)-dependent malic enzyme human (Homo sapiens ) [TaxId: 9606 ], SCOPe (2.08)

Domain Annotation: SCOP2 Classification SCOP2 Database Homepage

ChainsTypeFamily Name Domain Identifier Family IdentifierProvenance Source (Version)
ASCOP2B SuperfamilyMtdA-like 8056187 3000046 SCOP2B (2022-06-29)
BSCOP2B SuperfamilyMtdA-like 8056187 3000046 SCOP2B (2022-06-29)
CSCOP2B SuperfamilyMtdA-like 8056187 3000046 SCOP2B (2022-06-29)
DSCOP2B SuperfamilyMtdA-like 8056187 3000046 SCOP2B (2022-06-29)

Domain Annotation: ECOD Classification ECOD Database Homepage

ChainsFamily NameDomain Identifier ArchitecturePossible HomologyHomologyTopologyFamilyProvenance Source (Version)
AMalic_Me1do8A3 A: alpha arraysX: C-terminal domain of Malic enzyme (From Topology)H: C-terminal domain of Malic enzyme (From Topology)T: C-terminal domain of Malic enzymeF: Malic_MECOD (1.6)
AMalic_Me1do8A2 A: a/b three-layered sandwichesX: Rossmann-likeH: Rossmann-relatedT: NAD(P)-binding Rossmann-fold domainsF: Malic_MECOD (1.6)
Amalice1do8A1 A: a/b three-layered sandwichesX: Flavodoxin-likeH: Class I glutamine amidotransferase-likeT: Aminoacid dehydrogenase-like, N-terminal domainF: malicECOD (1.6)
BMalic_Me1do8B1 A: alpha arraysX: C-terminal domain of Malic enzyme (From Topology)H: C-terminal domain of Malic enzyme (From Topology)T: C-terminal domain of Malic enzymeF: Malic_MECOD (1.6)
BMalic_Me1do8B3 A: a/b three-layered sandwichesX: Rossmann-likeH: Rossmann-relatedT: NAD(P)-binding Rossmann-fold domainsF: Malic_MECOD (1.6)
Bmalice1do8B2 A: a/b three-layered sandwichesX: Flavodoxin-likeH: Class I glutamine amidotransferase-likeT: Aminoacid dehydrogenase-like, N-terminal domainF: malicECOD (1.6)
CMalic_Me1do8C3 A: alpha arraysX: C-terminal domain of Malic enzyme (From Topology)H: C-terminal domain of Malic enzyme (From Topology)T: C-terminal domain of Malic enzymeF: Malic_MECOD (1.6)
CMalic_Me1do8C2 A: a/b three-layered sandwichesX: Rossmann-likeH: Rossmann-relatedT: NAD(P)-binding Rossmann-fold domainsF: Malic_MECOD (1.6)
Cmalice1do8C1 A: a/b three-layered sandwichesX: Flavodoxin-likeH: Class I glutamine amidotransferase-likeT: Aminoacid dehydrogenase-like, N-terminal domainF: malicECOD (1.6)
DMalic_Me1do8D2 A: alpha arraysX: C-terminal domain of Malic enzyme (From Topology)H: C-terminal domain of Malic enzyme (From Topology)T: C-terminal domain of Malic enzymeF: Malic_MECOD (1.6)
DMalic_Me1do8D1 A: a/b three-layered sandwichesX: Rossmann-likeH: Rossmann-relatedT: NAD(P)-binding Rossmann-fold domainsF: Malic_MECOD (1.6)
Dmalice1do8D3 A: a/b three-layered sandwichesX: Flavodoxin-likeH: Class I glutamine amidotransferase-likeT: Aminoacid dehydrogenase-like, N-terminal domainF: malicECOD (1.6)

Domain Annotation: CATH CATH Database Homepage

Protein Family Annotation Pfam Database Homepage

ChainsAccessionNameDescriptionCommentsSource
A, B, C, D
PF00390Malic enzyme, N-terminal domain (malic)Malic enzyme, N-terminal domain- Domain
A, B, C, D
PF03949Malic enzyme, NAD binding domain (Malic_M)Malic enzyme, NAD binding domain- Domain

Gene Ontology: Gene Product Annotation Gene Ontology Database Homepage

ChainsPolymerMolecular FunctionBiological ProcessCellular Component
A, B, C, D
MALIC ENZYME

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

ChainsEnzyme NameDescriptionCatalytic Residues
malate dehydrogenase (oxaloacetate-decarboxylating)  M-CSA #21

Malic enzymes are found in most living organisms, including bacteria and humans. They catalyse the conversion of L-malate to pyruvate with the concomitant reduction of the cofactor NAD+ or NADP+. In mammals three isoforms have been identified, a cytosolic NADP+ dependent enzyme, a mitochondrial NADP+ dependent enzyme and a mitochondrial NAD+ dependent enzyme. Each has a specific role, for example the mitochondrial NAD+ dependent enzyme is important for the metabolism of glutamine for energy production in rapidly proliferating tissues and tumours.

Defined by 8 residues: TYR:A-92 [auth A-112]ARG:A-145 [auth A-165]LYS:A-163 [auth A-183]GLU:A-235 [auth A-255]ASP:A-236 [auth A-256]ASP:A-258 [auth A-278]ASP:A-259 [auth A-279]ASN:A-401 [auth A-421]
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