Escherichia coli
| Assembly | Physical composition | Protein state | Molecular copy count | Associated components | Data consistency |
|---|---|---|---|---|---|
| 1 | Protein homooligomer | Homooligomer | Protein 2 | CITRIC ACID × 2 water × 2 | Consistent with protein count |
| UniProt name | MDH_ECOLI |
| Isoform | — |
| PDB entities | 1 |
| Chains and sequence ranges | Author chain A； PDBConstruct 1–312； UniProt 1–312 |
The page prioritizes protein identity, the current assembly, associated components, oligomeric state and cross-PDB links. Chain mapping and sequence ranges are retained as data evidence. Internal IDs, import timestamps and assembly operation expressions are maintenance fields and are not shown here.
| Entry ID entry_id | 2cmd |
| Deposition date deposition_date | 1992-09-23 |
| Structure title title | THE CRYSTAL STRUCTURE OF E.COLI MALATE DEHYDROGENASE: A COMPLEX OF THE APOENZYME AND CITRATE AT 1.87 ANGSTROMS RESOLUTION |
| Keywords keywords | OXIDOREDUCTASE(NAD(A)-CHOH(D)); OXIDOREDUCTASE(NAD(A)-CHOH(D)) |
| Experimental Method method | X-RAY DIFFRACTION |
This page reads only the latest assembly calculations. Every curve maps to an explicit PDB entry, official biological assembly and coordinate model.
Assembly 1 · Model 1 · CRYSOL 4.1.3-1-20251215 (887e7ef)
| Rg（Guinier） | 26.80 Å |
| Rg (electron density) | 25.84 Å |
| Total Rg | 26.61 Å |
| Atom count | 5594 |
| Residues | 624 |
| Excluded volume | 82491 ų |
| Maximum q | 0.500 Å⁻¹ |
| Domain ID domain_id | d2cmda1 |
| Class class | c — Alpha and beta proteins (a/b) |
| Fold Fold fold | c.2 — NAD(P)-binding Rossmann-fold domains |
| Superfamily Superfamily superfamily | c.2.1 — NAD(P)-binding Rossmann-fold domains |
| Family Family family | c.2.1.5 — LDH N-terminal domain-like |
| Domain ID domain_id | d2cmda2 |
| Class class | d — Alpha and beta proteins (a+b) |
| Fold Fold fold | d.162 — LDH C-terminal domain-like |
| Superfamily Superfamily superfamily | d.162.1 — LDH C-terminal domain-like |
| Family Family family | d.162.1.1 — Lactate & malate dehydrogenases, C-terminal domain |
| Domain ID domain_id | 2cmdA01 |
| Class class | 3 — Alpha Beta |
| Architecture architecture | 40 — 3-Layer(aba) Sandwich |
| Topology topology | 50 — Rossmann fold |
| Homologous superfamily homologous superfamily | 720 — NAD(P)-binding Rossmann-like Domain |
| Domain ID domain_id | 2cmdA02 |
| Class class | 3 — Alpha Beta |
| Architecture architecture | 90 — Alpha-Beta Complex |
| Topology topology | 110 — L-2-Hydroxyisocaproate Dehydrogenase; Chain A, domain 2 |
| Homologous superfamily homologous superfamily | 10 — Lactate dehydrogenase/glycoside hydrolase, family 4, C-terminal |