6zpq

Crystal structure of the open conformation of Angiotensin-1 converting enzyme N-domain.

Method: X-RAY DIFFRACTION Dmax: 162.0 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 2 PDB declaration: monomeric(1) Consistent with protein copy count Chain A; UniProt 30–657 Mutation:N9Q, N25Q, N82Q, N117Q, N131Q, N289Q, Q545R, P576L 2-acetamido-2-deoxy-beta-D-glucopyranose-(1-4)-2-acetamido-2-deoxy-beta-D-glucopyranose × 1 2-acetamido-2-deoxy-beta-D-glucopyranose-(1-4)-[alpha-L-fucopyranose-(1-6)]2-acetamido-2-deoxy-beta-D-glucopyranose × 1 BO3 BORIC ACID × 3 BCN BICINE × 2 PEG DI(HYDROXYETHYL)ETHER × 1 EDO 1,2-ETHANEDIOL × 5 PGE TRIETHYLENE GLYCOL × 2 ZN ZINC ION × 1 CL CHLORIDE ION × 1 MG MAGNESIUM ION × 1 CA CALCIUM ION × 1 X-RAY DIFFRACTION X-ray crystallization conditions:VAPOR DIFFUSION, HANGING DROP;pH 8.5;289 K;0.1 M Tris/Bicine pH 8.5, 0.06 M Divalent Cations, 30% PEG550MME/PEG20000 Resolution 1.85 Å R-free 0.214
2 Other combination Monomer Protein × 1 其他Polymer 1 PDB declaration: monomeric(1) Consistent with protein copy count Chain B; UniProt 30–657 Mutation:N9Q, N25Q, N82Q, N117Q, N131Q, N289Q, Q545R, P576L 2-acetamido-2-deoxy-beta-D-glucopyranose-(1-4)-[alpha-L-fucopyranose-(1-6)]2-acetamido-2-deoxy-beta-D-glucopyranose × 1 BO3 BORIC ACID × 1 BCN BICINE × 1 PEG DI(HYDROXYETHYL)ETHER × 3 EDO 1,2-ETHANEDIOL × 2 PGE TRIETHYLENE GLYCOL × 2 ZN ZINC ION × 1 CL CHLORIDE ION × 1 MG MAGNESIUM ION × 1 CA CALCIUM ION × 1 NAG 2-acetamido-2-deoxy-beta-D-glucopyranose × 1 MXE 2-METHOXYETHANOL × 1 NA SODIUM ION × 1 X-RAY DIFFRACTION X-ray crystallization conditions:VAPOR DIFFUSION, HANGING DROP;pH 8.5;289 K;0.1 M Tris/Bicine pH 8.5, 0.06 M Divalent Cations, 30% PEG550MME/PEG20000 Resolution 1.85 Å R-free 0.214
3 Other combination Monomer Protein × 1 其他Polymer 2 PDB declaration: monomeric(1) Consistent with protein copy count Chain C; UniProt 30–657 Mutation:N9Q, N25Q, N82Q, N117Q, N131Q, N289Q, Q545R, P576L 2-acetamido-2-deoxy-beta-D-glucopyranose-(1-4)-2-acetamido-2-deoxy-beta-D-glucopyranose × 1 2-acetamido-2-deoxy-beta-D-glucopyranose-(1-4)-[alpha-L-fucopyranose-(1-6)]2-acetamido-2-deoxy-beta-D-glucopyranose × 1 BO3 BORIC ACID × 1 BCN BICINE × 1 EDO 1,2-ETHANEDIOL × 3 ZN ZINC ION × 1 CL CHLORIDE ION × 1 MG MAGNESIUM ION × 1 CA CALCIUM ION × 1 MXE 2-METHOXYETHANOL × 1 X-RAY DIFFRACTION X-ray crystallization conditions:VAPOR DIFFUSION, HANGING DROP;pH 8.5;289 K;0.1 M Tris/Bicine pH 8.5, 0.06 M Divalent Cations, 30% PEG550MME/PEG20000 Resolution 1.85 Å R-free 0.214
4 Other combination Monomer Protein × 1 其他Polymer 2 PDB declaration: monomeric(1) Consistent with protein copy count Chain D; UniProt 30–657 Mutation:N9Q, N25Q, N82Q, N117Q, N131Q, N289Q, Q545R, P576L 2-acetamido-2-deoxy-beta-D-glucopyranose-(1-4)-2-acetamido-2-deoxy-beta-D-glucopyranose × 1 2-acetamido-2-deoxy-beta-D-glucopyranose-(1-4)-[alpha-L-fucopyranose-(1-6)]2-acetamido-2-deoxy-beta-D-glucopyranose × 1 BO3 BORIC ACID × 3 BCN BICINE × 1 EDO 1,2-ETHANEDIOL × 4 PGE TRIETHYLENE GLYCOL × 1 ZN ZINC ION × 1 CL CHLORIDE ION × 1 CA CALCIUM ION × 1 X-RAY DIFFRACTION X-ray crystallization conditions:VAPOR DIFFUSION, HANGING DROP;pH 8.5;289 K;0.1 M Tris/Bicine pH 8.5, 0.06 M Divalent Cations, 30% PEG550MME/PEG20000 Resolution 1.85 Å R-free 0.214

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 147 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 1–628; UniProt 30–657 Author chain B; PDBConstruct 1–628; UniProt 30–657 Author chain C; PDBConstruct 1–628; UniProt 30–657 Author chain D; PDBConstruct 1–628; UniProt 30–657

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 6zpq

P(r) Distance Distribution P(r) Distribution

P(r) distribution for 6zpq
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2. Structure Basics 2. Structure Basics

Entry ID entry_id6zpq
Deposition date deposition_date2020-07-09
Structure title titleCrystal structure of the open conformation of Angiotensin-1 converting enzyme N-domain.
Keywords keywordsAngiotensin-1 converting enzyme, Open conformation, metalloprotease, HYDROLASE; HYDROLASE
Experimental Method methodX-RAY DIFFRACTION

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

Radius of gyration Rg (Guinier) rg_guinier49.48
Radius of gyration Rg (electron density) rg_electron48.95
Forward intensity I(0) i01173170000.00
Molecular weight molecular_weight287680.0 kDa
Excluded volume excluded_volume359890 ų
Envelope volume envelope_volume489920 ų
Hydration-shell volume shell_volume81533 ų
Envelope diameter envelope_diameter158.0
Shell Rg shell_rg55.02
Envelope Rg envelope_rg47.70
Shape Rg shape_rg48.94
Total Rg total_rg49.19
Total atoms total_atoms39764
Residues n_residues2425
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 dmax162.0
Rg (real space) rg_real49.30
Rg uncertainty (real space) rg_real_error1.27
I(0) (real space) i0_real1.1730e+09
I(0) uncertainty (real space) i0_real_error2.1280e+07
Rg (reciprocal space) rg_reciprocal49.48
I(0) (reciprocal space) i0_reciprocal1173000000.0000
Solution quality estimate total_estimate0.8986
Solution quality rating solution_quality GOOD a GOOD solution
P(r) peaks n_peaks1
Primary peak position r_peak_primary70.9
Skewness Skewness skewness0.136
Kurtosis Kurtosis kurtosis-0.682
Angular range angular_range— – 0.1600 −1
Current regularization parameter α current_alpha0.0001
Highest regularization parameter α highest_alpha369700000.0000
Real-space data points n_real_points33
GNOM version gnom_version4.1.3
Quality Criteria quality_criteria AN1: 0.000; Oscil: 0.909; Stabil: 1.000; Sysdev: 1.000; Positv: 1.000; Valcen: 1.000; Smooth: 0.949

5. Crystallography and Experiment 5. Crystallography & Experiment

6. Entities and Polymers Entities & Polymers (16)

7. Fold Classification (SCOP + CATH) 4 domains

SCOP 2.08 (4 domains)

Domain ID domain_idd6zpqa_
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.92.1.0 — automated matches
Domain ID domain_idd6zpqb_
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.92.1.0 — automated matches
Domain ID domain_idd6zpqc_
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.92.1.0 — automated matches
Domain ID domain_idd6zpqd_
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.92.1.0 — automated matches

8. Citations (1)

9. Files and Curves (10)