9ss7

Human angiotensin 1-converting enzyme C-domain in complex with rentiapril

Method: X-RAY DIFFRACTION Dmax: 79.7 Å Quality: GOOD

1. Protein Identity and Related Structures Protein Identity & Related Structures

Angiotensin-converting enzyme, soluble form

Homo sapiens

UniProt P12821

State in the Current Structure

Assembly Oligomeric State Construct Mutations and Modifications Ligands, Ions and Associated Components Method and Experimental Conditions Structure Quality
1 Other combination Monomer Protein × 1 其他Polymer 1 PDB declaration: monomeric(1) Consistent with protein copy count Chain A; UniProt 646–1229 Not recorded ;beta-D-mannopyranose-(1-4)-2-acetamido-2-deoxy-beta-D-glucopyranose-(1-4)-[alpha-L-fucopyranose-(1-6)]2-acetamido-2-deoxy-beta-D-glucopyranose ; × 1 NAG 2-acetamido-2-deoxy-beta-D-glucopyranose × 1 ZN ZINC ION × 1 A1JPY Rentiapril × 2 MLI MALONATE ION × 2 BO3 BORIC ACID × 1 IMD IMIDAZOLE × 1 EDO 1,2-ETHANEDIOL × 1 CL CHLORIDE ION × 2 X-RAY DIFFRACTION X-ray crystallization conditions:VAPOR DIFFUSION, HANGING DROP;pH 4;289.15 K;0.1 M MIB Buffer pH 4.0, 5% Glycerol, 15% PEG 3350 Resolution 1.95 Å R-free 0.223

Other States of the Same Protein in the Database

Each row is a biological assembly of the same UniProt protein in another PDB entry. The “Difference from current entry” column identifies evidence-level differences; no tag means the currently parsed fields agree.

89 other PDB entries and 150 assemblies. Open the comparison page and filter oligomeric states

View Construct and Data Evidence
UniProt name ACE_HUMAN
Isoform
PDB entities 1
Chains and sequence ranges Author chain A; PDBConstruct 1–584; UniProt 646–1229

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.

SAXS scattering curve SAXS Profile

SAXS profile for 9ss7

P(r) Distance Distribution P(r) Distribution

P(r) distribution for 9ss7
Download Download

2. Structure Basics 2. Structure Basics

Entry ID entry_id9ss7
Deposition date deposition_date2025-09-25
Structure title titleHuman angiotensin 1-converting enzyme C-domain in complex with rentiapril
Keywords keywordsinhibitor, complex, metalloprotease, HYDROLASE; HYDROLASE
Experimental Method methodX-RAY DIFFRACTION

3. SAXS Parameters (CRYSOL theoretical calculation) 3. SAXS Parameters (CRYSOL)

Radius of gyration Rg (Guinier) rg_guinier24.75
Radius of gyration Rg (electron density) rg_electron23.72
Forward intensity I(0) i0146275000.00
Molecular weight molecular_weight64444.0 kDa
Excluded volume excluded_volume62538 ų
Envelope volume envelope_volume100520 ų
Hydration-shell volume shell_volume33733 ų
Envelope diameter envelope_diameter82.6
Shell Rg shell_rg32.42
Envelope Rg envelope_rg24.00
Shape Rg shape_rg23.73
Total Rg total_rg24.39
Total atoms total_atoms4873
Residues n_residues580
Spherical-harmonic order n_harmonics20
q range q_range— – 0.5000 −1
Data points n_points101
Shell type shell_typedirectional
Solvent electron density solvent_density0.3340 e/ų
Shell contrast contrast_shell0.0300 e/ų
CRYSOL version crysol_version4.1.3

4. P(r) Distance Distribution (GNOM inversion) 4. P(r) Analysis (GNOM)

Maximum dimension Dmax dmax79.7
Rg (real space) rg_real24.58
Rg uncertainty (real space) rg_real_error0.35
I(0) (real space) i0_real1.4630e+08
I(0) uncertainty (real space) i0_real_error1.6400e+06
Rg (reciprocal space) rg_reciprocal24.62
I(0) (reciprocal space) i0_reciprocal146300000.0000
Solution quality estimate total_estimate0.8853
Solution quality rating solution_quality GOOD a GOOD solution
P(r) peaks n_peaks1
Primary peak position r_peak_primary31.6
Skewness Skewness skewness0.204
Kurtosis Kurtosis kurtosis-0.343
Angular range angular_range— – 0.3200 −1
Current regularization parameter α current_alpha0.0000
Highest regularization parameter α highest_alpha27000000.0000
Real-space data points n_real_points64
GNOM version gnom_version4.1.3
Quality Criteria quality_criteria AN1: 0.000; Oscil: 0.838; Stabil: 1.000; Sysdev: 1.000; Positv: 1.000; Valcen: 0.997; Smooth: 0.993

5. Crystallography and Experiment 5. Crystallography & Experiment

6. Entities and Polymers Entities & Polymers (11)

8. Citations (1)

9. Files and Curves (10)