4ca5

Human Angiotensin converting enzyme in complex with a phosphinic tripeptide FI

Method: X-RAY DIFFRACTION Dmax: 80.5 Å Quality: GOOD

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

ANGIOTENSIN-CONVERTING ENZYME

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 68–656 Fragment:RESIDUES 68-656 2-acetamido-2-deoxy-beta-D-glucopyranose-(1-4)-[alpha-L-fucopyranose-(1-6)]2-acetamido-2-deoxy-beta-D-glucopyranose × 1 ZN ZINC ION × 1 CL CHLORIDE ION × 2 ACT ACETATE ION × 3 PEG DI(HYDROXYETHYL)ETHER × 1 3EF N-{(2S)-3-[(S)-[(1R)-1-{[(benzyloxy)carbonyl]amino}-2-phenylethyl](hydroxy)phosphoryl]-2-[(3-phenyl-1,2-oxazol-5-yl)methyl]propanoyl}-L-tyrosine × 1 NAG 2-acetamido-2-deoxy-beta-D-glucopyranose × 1 X-RAY DIFFRACTION X-ray crystallization conditions:pH 4;0.1M MIB PH4.0, 10UM ZINC SULPHATE, 5% GLYCEROL, 15% PEG3350 Resolution 1.85 Å R-free 0.213

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 1–589; UniProt 68–656

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 4ca5

P(r) Distance Distribution P(r) Distribution

P(r) distribution for 4ca5
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2. Structure Basics 2. Structure Basics

Entry ID entry_id4ca5
Deposition date deposition_date2013-10-07
Structure title titleHuman Angiotensin converting enzyme in complex with a phosphinic tripeptide FI
Keywords keywordsHYDROLASE, ZINC METALLOPEPTIDASE, INHIBITOR BINDING; HYDROLASE
Experimental Method methodX-RAY DIFFRACTION

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

Radius of gyration Rg (Guinier) rg_guinier24.97
Radius of gyration Rg (electron density) rg_electron23.72
Forward intensity I(0) i077882600.00
Molecular weight molecular_weight69540.0 kDa
Excluded volume excluded_volume86963 ų
Envelope volume envelope_volume99845 ų
Hydration-shell volume shell_volume33592 ų
Envelope diameter envelope_diameter83.3
Shell Rg shell_rg32.37
Envelope Rg envelope_rg23.96
Shape Rg shape_rg23.70
Total Rg total_rg24.69
Total atoms total_atoms4903
Residues n_residues586
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 dmax80.5
Rg (real space) rg_real24.84
Rg uncertainty (real space) rg_real_error0.37
I(0) (real space) i0_real7.7880e+07
I(0) uncertainty (real space) i0_real_error8.9360e+05
Rg (reciprocal space) rg_reciprocal24.88
I(0) (reciprocal space) i0_reciprocal77880000.0000
Solution quality estimate total_estimate0.8855
Solution quality rating solution_quality GOOD a GOOD solution
P(r) peaks n_peaks1
Primary peak position r_peak_primary31.9
Skewness Skewness skewness0.194
Kurtosis Kurtosis kurtosis-0.342
Angular range angular_range— – 0.3200 −1
Current regularization parameter α current_alpha0.0000
Highest regularization parameter α highest_alpha21560000.0000
Real-space data points n_real_points64
GNOM version gnom_version4.1.3
Quality Criteria quality_criteria AN1: 0.000; Oscil: 0.839; Stabil: 1.000; Sysdev: 1.000; Positv: 1.000; Valcen: 0.996; Smooth: 0.995

5. Crystallography and Experiment 5. Crystallography & Experiment

6. Entities and Polymers Entities & Polymers (9)

7. Fold Classification (SCOP + CATH) 1 domains

SCOP 2.08 (1 domains)

Domain ID domain_idd4ca5a_
Class classd — Alpha and beta proteins (a+b)
Fold Fold foldd.92 — Zincin-like
Superfamily Superfamily superfamilyd.92.1 — Metalloproteases ('zincins'), catalytic domain
Family Family familyd.92.1.5 — Neurolysin-like

8. Citations (1)

9. Files and Curves (10)