6w1z

Electron Microscopy
2.7Å resolution

ClpAP Engaged1 State bound to RepA-GFP

Released:

Function and Biology Details

Reaction catalysed:
Hydrolysis of proteins to small peptides in the presence of ATP and magnesium. Alpha-Casein is the usual test substrate. In the absence of ATP, only oligopeptides shorter than five residues are hydrolyzed (such as succinyl-Leu-Tyr-|-NHMec; and Leu-Tyr-Leu-|-Tyr-Trp, in which cleavage of the -Tyr-|-Leu- and -Tyr-|-Trp bonds also occurs).

Structure analysis Details

Assembly composition:
hetero 21-mer (preferred)
PDBe Complex ID:
PDB-CPX-141331 (preferred)
Entry contents:
3 distinct polypeptide molecules
Macromolecules (3 distinct):
ATP-dependent Clp protease proteolytic subunit Chains: G, H, I, J, K, L, M, N, O, P, Q, R, S, T
Molecule details ›
Chains: G, H, I, J, K, L, M, N, O, P, Q, R, S, T
Length: 207 amino acids
Theoretical weight: 23.21 KDa
Source organism: Escherichia coli
Expression system: Escherichia coli
UniProt:
  • Canonical: P0A6G7 (Residues: 1-207; Coverage: 100%)
Gene names: JW0427, b0437, clpP, lopP
Sequence domains: Clp protease
ATP-dependent Clp protease ATP-binding subunit ClpA Chains: A, B, C, D, E, F
Molecule details ›
Chains: A, B, C, D, E, F
Length: 758 amino acids
Theoretical weight: 84.32 KDa
Source organism: Escherichia coli K-12
Expression system: Escherichia coli
UniProt:
  • Canonical: P0ABH9 (Residues: 1-758; Coverage: 100%)
Gene names: JW0866, b0882, clpA, lopD
Sequence domains:
RepA, green fluorescent protein fusion Chain: X
Molecule details ›
Chain: X
Length: 24 amino acids
Theoretical weight: 2.06 KDa
Source organism: synthetic construct
Expression system: Escherichia coli

Ligands and Environments

2 bound ligands:
No modified residues

Experiments and Validation Details

Entry percentile scores
Resolution: 2.7Å
Relevant EMDB volumes: EMD-21519
Expression system: Escherichia coli