X-ray diffraction
2.6Å resolution

Crystal structure of the ATP-dependent Clp Protease proteolytic subunit 1 (ClpP1) from Mycobacterium tuberculosis


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).
Biochemical function:
Biological process:
Cellular component:

Structure analysis Details

Assembly composition:
homo heptamer (preferred)
Entry contents:
1 distinct polypeptide molecule
ATP-dependent Clp protease proteolytic subunit 1 Chains: A, B, C, D, E, F, G
Molecule details ›
Chains: A, B, C, D, E, F, G
Length: 208 amino acids
Theoretical weight: 22.8 KDa
Source organism: Mycobacterium tuberculosis H37Rv
Expression system: Escherichia coli BL21(DE3)
  • Canonical: P9WPC5 (Residues: 1-200; Coverage: 100%)
Gene names: MTV008.17c, Rv2461c, clpP, clpP1
Sequence domains: Clp protease
Structure domains: 2-enoyl-CoA Hydratase; Chain A, domain 1

Ligands and Environments

No bound ligands
No modified residues

Experiments and Validation Details

Entry percentile scores
X-ray source: ESRF BEAMLINE ID14-3
Spacegroup: P6122
Unit cell:
a: 178.255Å b: 178.255Å c: 264.914Å
α: 90° β: 90° γ: 120°
R R work R free
0.194 0.192 0.229
Expression system: Escherichia coli BL21(DE3)