3MDD
CRYSTAL STRUCTURES OF MEDIUM CHAIN ACYL-COA DEHYDROGENASE FROM PIG LIVER MITOCHONDRIA WITH AND WITHOUT SUBSTRATE
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) |
---|---|---|---|---|---|
A | SCOP2B Superfamily | Acyl-CoA dehydrogenase C-terminal domain-like | 8036927 | 3001580 | SCOP2B (2022-06-29) |
A | SCOP2B Superfamily | Acyl-CoA dehydrogenase N-terminal lobe-like | 8037423 | 3001701 | SCOP2B (2022-06-29) |
B | SCOP2B Superfamily | Acyl-CoA dehydrogenase C-terminal domain-like | 8036927 | 3001580 | SCOP2B (2022-06-29) |
B | SCOP2B Superfamily | Acyl-CoA dehydrogenase N-terminal lobe-like | 8037423 | 3001701 | SCOP2B (2022-06-29) |
Domain Annotation: ECOD Classification ECOD Database Homepage
Chains | Family Name | Domain Identifier | Architecture | Possible Homology | Homology | Topology | Family | Provenance Source (Version) |
---|---|---|---|---|---|---|---|---|
A | Acyl-CoA_dh_M | e3mddA1 | A: beta complex topology | X: Acyl-CoA dehydrogenase middle domain-like (From Topology) | H: Acyl-CoA dehydrogenase middle domain-like (From Topology) | T: Acyl-CoA dehydrogenase middle domain-like | F: Acyl-CoA_dh_M | ECOD (1.6) |
A | Acyl-CoA_dh_N | e3mddA2 | A: alpha arrays | X: Acyl-CoA dehydrogenase N-terminal domain-like (From Topology) | H: Acyl-CoA dehydrogenase N-terminal domain-like (From Topology) | T: Acyl-CoA dehydrogenase N-terminal domain-like | F: Acyl-CoA_dh_N | ECOD (1.6) |
A | Acyl-CoA_dh_1 | e3mddA3 | A: alpha bundles | X: Bromodomain-like | H: Acyl-CoA dehydrogenase C-terminal domain-like (From Topology) | T: Acyl-CoA dehydrogenase C-terminal domain-like | F: Acyl-CoA_dh_1 | ECOD (1.6) |
B | Acyl-CoA_dh_M | e3mddB1 | A: beta complex topology | X: Acyl-CoA dehydrogenase middle domain-like (From Topology) | H: Acyl-CoA dehydrogenase middle domain-like (From Topology) | T: Acyl-CoA dehydrogenase middle domain-like | F: Acyl-CoA_dh_M | ECOD (1.6) |
B | Acyl-CoA_dh_N | e3mddB2 | A: alpha arrays | X: Acyl-CoA dehydrogenase N-terminal domain-like (From Topology) | H: Acyl-CoA dehydrogenase N-terminal domain-like (From Topology) | T: Acyl-CoA dehydrogenase N-terminal domain-like | F: Acyl-CoA_dh_N | ECOD (1.6) |
B | Acyl-CoA_dh_1 | e3mddB3 | A: alpha bundles | X: Bromodomain-like | H: Acyl-CoA dehydrogenase C-terminal domain-like (From Topology) | T: Acyl-CoA dehydrogenase C-terminal domain-like | F: Acyl-CoA_dh_1 | ECOD (1.6) |
Domain Annotation: CATH CATH Database Homepage
Chain | Domain | Class | Architecture | Topology | Homology | Provenance Source (Version) |
---|---|---|---|---|---|---|
A | 1.10.540.10 | Mainly Alpha | Orthogonal Bundle | Butyryl-Coa Dehydrogenase, subunit A | domain 1 | CATH (4.3.0) |
A | 2.40.110.10 | Mainly Beta | Beta Barrel | Butyryl-CoA Dehydrogenase, subunit A | domain 2 | CATH (4.3.0) |
A | 1.20.140.10 | Mainly Alpha | Up-down Bundle | Butyryl-CoA Dehydrogenase, subunit A | domain 3 | CATH (4.3.0) |
B | 1.10.540.10 | Mainly Alpha | Orthogonal Bundle | Butyryl-Coa Dehydrogenase, subunit A | domain 1 | CATH (4.3.0) |
B | 2.40.110.10 | Mainly Beta | Beta Barrel | Butyryl-CoA Dehydrogenase, subunit A | domain 2 | CATH (4.3.0) |
B | 1.20.140.10 | Mainly Alpha | Up-down Bundle | Butyryl-CoA Dehydrogenase, subunit A | domain 3 | CATH (4.3.0) |
Protein Family Annotation Pfam Database Homepage
Chains | Accession | Name | Description | Comments | Source |
---|---|---|---|---|---|
PF02771 | Acyl-CoA dehydrogenase, N-terminal domain (Acyl-CoA_dh_N) | Acyl-CoA dehydrogenase, N-terminal domain | The N-terminal domain of Acyl-CoA dehydrogenase is an all-alpha domain. | Domain | |
PF02770 | Acyl-CoA dehydrogenase, middle domain (Acyl-CoA_dh_M) | Acyl-CoA dehydrogenase, middle domain | Central domain of Acyl-CoA dehydrogenase has a beta-barrel fold. | Domain | |
PF00441 | Acyl-CoA dehydrogenase, C-terminal domain (Acyl-CoA_dh_1) | Acyl-CoA dehydrogenase, C-terminal domain | C-terminal domain of Acyl-CoA dehydrogenase is an all-alpha, four helical up-and-down bundle. | Domain | |
PF08028 | Acyl-CoA dehydrogenase, C-terminal domain (Acyl-CoA_dh_2) | Acyl-CoA dehydrogenase, C-terminal domain | - | Domain |
Gene Ontology: Gene Product Annotation Gene Ontology Database Homepage
InterPro: Protein Family Classification InterPro Database Homepage
Chains | Accession | Name | Type |
---|---|---|---|
IPR006091 | Acyl-CoA oxidase/dehydrogenase, middle domain | Domain | |
IPR036250 | Acyl-CoA dehydrogenase-like, C-terminal | Homologous Superfamily | |
IPR037069 | Acyl-CoA dehydrogenase/oxidase, N-terminal domain superfamily | Homologous Superfamily | |
IPR009100 | Acyl-CoA dehydrogenase/oxidase, N-terminal and middle domain superfamily | Homologous Superfamily | |
IPR050741 | Acyl-CoA dehydrogenase | Family | |
IPR034180 | Medium-chain specific acyl-CoA dehydrogenase | Family | |
IPR009075 | Acyl-CoA dehydrogenase/oxidase, C-terminal | Domain | |
IPR006089 | Acyl-CoA dehydrogenase, conserved site | Conserved Site | |
IPR013786 | Acyl-CoA dehydrogenase/oxidase, N-terminal | Domain | |
IPR046373 | Acyl-CoA oxidase/dehydrogenase, middle domain superfamily | Homologous Superfamily |
Structure Motif Annotation: Mechanism and Catalytic Site Atlas M-CSA Database Homepage
Chains | Enzyme Name | Description | Catalytic Residues |
---|---|---|---|
medium-chain acyl-CoA dehydrogenase M-CSA #893 | Medium-chain specific acyl-CoA dehydrogenases (MCADs) are mitochondrial beta-oxidation enzymes, which catalyze the alpha,beta dehydrogenation of the corresponding medium chain acyl-CoA by FAD, which becomes reduced. The reduced form of MCAD is reoxidized in the oxidative half-reaction by electron-transferring flavoprotein (ETF), from which the electrons are transferred to the mitochondrial respiratory chain coupled with ATP synthesis. The enzyme from pig liver can accept substrates with acyl chain lengths of 4 to 16 carbon atoms, but is most active with C8 to C12 compounds [PMID:13295224]. The human enzyme also accepts substrates with chain lengths of between 4 and 16 [PMID:25416781]. The enzyme from rat does not accept C16 at all and is most active with C6-C8 compounds [PMID:3968063]. | EC: 1.3.99.3 (PDB Primary Data) |