› 6tt1

X-ray diffraction
1.8Å resolution

Crystal structure of 'Res_S2 mutant human Angiotensin-1 converting enzyme N-domain in complex with 33RE.

Released:
DOI: 10.2210/pdb6tt1/pdb
PDB entry 6tt1 coloured by chain, front view.
PDB entry 6tt1 coloured by chain, side view.
PDB entry 6tt1 coloured by chain, top view.
Source organism: Homo sapiens
Primary publication:
ACE-domain selectivity extends beyond direct interacting residues at the active site.
Cozier GE, Lubbe L, Sturrock ED, Acharya KR
OpenAccess logo Biochem J 477 1241-1259 (2020)
PMID: 32195541

Function and Biology Details

Reaction catalysed: 
Release of a C-terminal dipeptide, oligopeptide-|-Xaa-Yaa, when Xaa is not Pro, and Yaa is neither Asp nor Glu. Thus, conversion of angiotensin I to angiotensin II, with increase in vasoconstrictor activity, but no action on angiotensin II.
Biochemical function:
Biological process:
Cellular component:
Sequence domain:

Structure analysis Details

Assembly composition:
monomeric (preferred)
Assembly name:
PDBe Complex ID:
PDB-CPX-146325 (preferred)
Entry contents:
1 distinct polypeptide molecule
Macromolecules (4 distinct):
Angiotensin-converting enzyme, soluble form Chains: A, B
Molecule details ›
Chains: A, B
Length: 629 amino acids
Theoretical weight: 72.54 KDa
Source organism: Homo sapiens
Expression system: Cricetulus griseus
UniProt:
  • Canonical: P12821 (Residues: 30-657; Coverage: 49%)
Gene names: ACE, DCP, DCP1
Sequence domains: Angiotensin-converting enzyme

Ligands and Environments

Carbohydrate polymer : NEW Components: NAG, BMA, FUC
Carbohydrate polymer
Carbohydrate polymer : NEW Components: NAG, FUC
Carbohydrate polymer
Carbohydrate polymer : NEW Components: NAG
Carbohydrate polymer
9 bound ligands:
Ligand NAG 2 x NAG
Ligand BO3 3 x BO3
Ligand ZN 2 x ZN
Ligand 1IU 2 x 1IU
Ligand CL 2 x CL
Ligand EDO 8 x EDO
Ligand PEG 2 x PEG
Ligand PGE 2 x PGE
Ligand PG4 1 x PG4
No modified residues

Experiments and Validation Details

Entry percentile scores
X-ray source: DIAMOND BEAMLINE I03
Spacegroup: P1
Unit cell:
a: 73.166Å b: 77.128Å c: 82.867Å
α: 88.934° β: 64.533° γ: 75.153°
R-values:
R R work R free
0.2 0.2 0.237
Expression system: Cricetulus griseus

Quick links

Citations

1 review citation

ACE2 and ACE: structure-based insights into mechanism, regulation and receptor recognition by SARS-CoV.
Lubbe et al. (2020)
8 other articles

3 mentions without citation

Advances in the structural basis for angiotensin-1 converting enzyme (ACE) inhibitors.
Acharya et al. (2024)
2 more