Crystal structure of D-Mannonate dehydratase from Novosphingobium aromaticivorans
Domain Annotation: SCOP/SCOPe Classification SCOP-e Database Homepage
Domain Annotation: ECOD Classification ECOD Database Homepage
| Chains | Family Name | Domain Identifier | Architecture | Possible Homology | Homology | Topology | Family | Provenance Source (Version) |
|---|---|---|---|---|---|---|---|---|
| A | MR_MLE_N | e2qjjA5 | A: a+b two layers | X: Enolase-N/ribosomal protein | H: Enolase N-terminal domain-like (From Topology) | T: Enolase N-terminal domain-like | F: MR_MLE_N | ECOD (1.6) |
| A | MR_MLE_C_1 | e2qjjA6 | A: a/b barrels | X: TIM beta/alpha-barrel | H: TIM barrels (From Topology) | T: TIM barrels | F: MR_MLE_C_1 | ECOD (1.6) |
| B | MR_MLE_N | e2qjjB5 | A: a+b two layers | X: Enolase-N/ribosomal protein | H: Enolase N-terminal domain-like (From Topology) | T: Enolase N-terminal domain-like | F: MR_MLE_N | ECOD (1.6) |
| B | MR_MLE_C_1 | e2qjjB6 | A: a/b barrels | X: TIM beta/alpha-barrel | H: TIM barrels (From Topology) | T: TIM barrels | F: MR_MLE_C_1 | ECOD (1.6) |
| C | MR_MLE_N | e2qjjC5 | A: a+b two layers | X: Enolase-N/ribosomal protein | H: Enolase N-terminal domain-like (From Topology) | T: Enolase N-terminal domain-like | F: MR_MLE_N | ECOD (1.6) |
| C | MR_MLE_C_1 | e2qjjC6 | A: a/b barrels | X: TIM beta/alpha-barrel | H: TIM barrels (From Topology) | T: TIM barrels | F: MR_MLE_C_1 | ECOD (1.6) |
| D | MR_MLE_N | e2qjjD5 | A: a+b two layers | X: Enolase-N/ribosomal protein | H: Enolase N-terminal domain-like (From Topology) | T: Enolase N-terminal domain-like | F: MR_MLE_N | ECOD (1.6) |
| D | MR_MLE_C_1 | e2qjjD6 | A: a/b barrels | X: TIM beta/alpha-barrel | H: TIM barrels (From Topology) | T: TIM barrels | F: MR_MLE_C_1 | ECOD (1.6) |
Domain Annotation: CATH CATH Database Homepage
| Chain | Domain | Class | Architecture | Topology | Homology | Provenance Source (Version) |
|---|---|---|---|---|---|---|
| A | 3.30.390.10 | Alpha Beta | 2-Layer Sandwich | Enolase-like | domain 1 | CATH (4.3.0) |
| A | 3.20.20.120 | Alpha Beta | Alpha-Beta Barrel | TIM Barrel | Enolase-like C-terminal domain | CATH (4.3.0) |
| B | 3.30.390.10 | Alpha Beta | 2-Layer Sandwich | Enolase-like | domain 1 | CATH (4.3.0) |
| B | 3.20.20.120 | Alpha Beta | Alpha-Beta Barrel | TIM Barrel | Enolase-like C-terminal domain | CATH (4.3.0) |
| C | 3.30.390.10 | Alpha Beta | 2-Layer Sandwich | Enolase-like | domain 1 | CATH (4.3.0) |
| C | 3.20.20.120 | Alpha Beta | Alpha-Beta Barrel | TIM Barrel | Enolase-like C-terminal domain | CATH (4.3.0) |
| D | 3.30.390.10 | Alpha Beta | 2-Layer Sandwich | Enolase-like | domain 1 | CATH (4.3.0) |
| D | 3.20.20.120 | Alpha Beta | Alpha-Beta Barrel | TIM Barrel | Enolase-like C-terminal domain | CATH (4.3.0) |
Protein Family Annotation Pfam Database Homepage
| Chains | Accession | Name | Description | Comments | Source |
|---|---|---|---|---|---|
| PF02746 | Mandelate racemase / muconate lactonizing enzyme, N-terminal domain (MR_MLE_N) | Mandelate racemase / muconate lactonizing enzyme, N-terminal domain | SCOP reports fold similarity with enolase N-terminal domain. | Domain | |
| PF13378 | Enolase C-terminal domain-like (MR_MLE_C) | Enolase C-terminal domain-like | This domain appears at the C-terminus of many of the proteins that carry the MR_MLE_N Pfam:PF02746 domain. EC:4.2.1.40. | Domain |
Gene Ontology: Gene Product Annotation Gene Ontology Database Homepage
| Chains | Polymer | Molecular Function | Biological Process | Cellular Component |
|---|---|---|---|---|
| Mandelate racemase/muconate lactonizing enzyme | - |
InterPro: Protein Family Classification InterPro Database Homepage
| Chains | Accession | Name | Type |
|---|---|---|---|
| IPR034593 | D-galactonate dehydratase DgoD-like | Family | |
| IPR013341 | Mandelate racemase/muconate lactonizing enzyme, N-terminal domain | Domain | |
| IPR018110 | Mandelate racemase/muconate lactonizing enzyme, conserved site | Conserved Site | |
| IPR036849 | Enolase-like, C-terminal domain superfamily | Homologous Superfamily | |
| IPR034589 | D-mannonate dehydratase-like | Family | |
| IPR053379 | D-mannonate_dehydratase_GalD | Unknown | |
| IPR029065 | Enolase C-terminal domain-like | Domain | |
| IPR034587 | D-mannonate dehydratase | Family | |
| IPR013342 | Mandelate racemase/muconate lactonizing enzyme, C-terminal | Domain | |
| IPR029017 | Enolase-like, N-terminal | Homologous Superfamily |
Structure Motif Annotation: Mechanism and Catalytic Site Atlas M-CSA Database Homepage
| Chains | Enzyme Name | Description | Catalytic Residues |
|---|---|---|---|
| mannonate dehydratase M-CSA #960 | Characterised enzymes in the mannonate dehydratase family (manD) catalyse the dehydration of mannonate to 2-dehydro-3-deoxy-D-gluconate, as part of the catabolism of D-glucuronate. Generally, genomes that encode a member of the mannonate dehydratase family do not have a UxuA (iron(II)-dependent mannoate dehydratase) homologue. Though UxuA also has the TIM barrel fold, it is not a member of the enolase superfamily. Thus, the enolase superfamily mannonate dehydratase family and the UxuAs are an example of convergent evolution of function. | Defined by 9 residues: ARG:A-147TYR:A-159ASP:A-210HIS:A-212GLU:A-236GLU:A-262ARG:A-283GLU:A-339TRP:A-402 | EC: 4.2.1.8 (UniProt) |














