2c6f

Structure of human somatic angiontensin-I converting enzyme N domain

Method: X-RAY DIFFRACTION Dmax: 117.1 Å Quality: GOOD

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

ANGIOTENSIN-CONVERTING ENZYME, SOMATIC ISOFORM

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 30–641 Fragment:N DOMAIN, RESIDUES 30-641 2-acetamido-2-deoxy-beta-D-glucopyranose-(1-4)-2-acetamido-2-deoxy-beta-D-glucopyranose × 2 NAG 2-acetamido-2-deoxy-beta-D-glucopyranose × 3 ZN ZINC ION × 1 ACT ACETATE ION × 2 GOL GLYCEROL × 1 CL CHLORIDE ION × 1 X-RAY DIFFRACTION X-ray crystallization conditions:pH 4.9;0.2M LITHIUM SULPHATE, 0.1M SODIUM ACETATE, PH 4.9, 10UM ZINC SULPHATE, 15% POLYETHYLENE GLYCOL 4000 Resolution 3.01 Å R-free 0.273
2 Other combination Monomer Protein × 1 其他Polymer 2 PDB declaration: monomeric(1) Consistent with protein copy count Chain B; UniProt 30–641 Fragment:N DOMAIN, RESIDUES 30-641 2-acetamido-2-deoxy-beta-D-glucopyranose-(1-4)-2-acetamido-2-deoxy-beta-D-glucopyranose × 2 NAG 2-acetamido-2-deoxy-beta-D-glucopyranose × 2 ZN ZINC ION × 1 ACT ACETATE ION × 1 GOL GLYCEROL × 1 CL CHLORIDE ION × 1 X-RAY DIFFRACTION X-ray crystallization conditions:pH 4.9;0.2M LITHIUM SULPHATE, 0.1M SODIUM ACETATE, PH 4.9, 10UM ZINC SULPHATE, 15% POLYETHYLENE GLYCOL 4000 Resolution 3.01 Å R-free 0.273

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 149 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 1–612; UniProt 30–641 Author chain B; PDBConstruct 1–612; UniProt 30–641

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 2c6f

P(r) Distance Distribution P(r) Distribution

P(r) distribution for 2c6f
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2. Structure Basics 2. Structure Basics

Entry ID entry_id2c6f
Deposition date deposition_date2005-11-09
Structure title titleStructure of human somatic angiontensin-I converting enzyme N domain
Keywords keywords;HYDROLASE, ANGIOTENSIN-I CONVERTING ENZYME, N DOMAIN, ZINC METALLOPEPTIDASE, METALLOPROTEASE, ANGIOTENSIN, LISINOPRIL, ALTERNATIVE SPLICING, CARBOXYPEPTIDASE, GLYCOPROTEIN, METAL-BINDING, PHOSPHORYLATION, PROTEASE, TRANSMEMBRANE ;; HYDROLASE
Experimental Method methodX-RAY DIFFRACTION

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

Radius of gyration Rg (Guinier) rg_guinier36.52
Radius of gyration Rg (electron density) rg_electron35.93
Forward intensity I(0) i0297482000.00
Molecular weight molecular_weight140580.0 kDa
Excluded volume excluded_volume175610 ų
Envelope volume envelope_volume217090 ų
Hydration-shell volume shell_volume50495 ų
Envelope diameter envelope_diameter122.7
Shell Rg shell_rg42.07
Envelope Rg envelope_rg35.94
Shape Rg shape_rg35.92
Total Rg total_rg36.37
Total atoms total_atoms9946
Residues n_residues1223
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 dmax117.1
Rg (real space) rg_real36.61
Rg uncertainty (real space) rg_real_error0.80
I(0) (real space) i0_real2.9750e+08
I(0) uncertainty (real space) i0_real_error4.6660e+06
Rg (reciprocal space) rg_reciprocal36.55
I(0) (reciprocal space) i0_reciprocal297500000.0000
Solution quality estimate total_estimate0.8669
Solution quality rating solution_quality GOOD a GOOD solution
P(r) peaks n_peaks1
Primary peak position r_peak_primary38.1
Skewness Skewness skewness0.398
Kurtosis Kurtosis kurtosis-0.499
Angular range angular_range— – 0.2150 −1
Current regularization parameter α current_alpha0.0000
Highest regularization parameter α highest_alpha91680000.0000
Real-space data points n_real_points44
GNOM version gnom_version4.1.3
Quality Criteria quality_criteria AN1: 0.000; Oscil: 0.882; Stabil: 1.000; Sysdev: 1.000; Positv: 1.000; Valcen: 0.969; Smooth: 0.651

5. Crystallography and Experiment 5. Crystallography & Experiment

6. Entities and Polymers Entities & Polymers (8)

7. Fold Classification (SCOP + CATH) 2 domains

SCOP 2.08 (2 domains)

Domain ID domain_idd2c6fa_
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_idd2c6fb_
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)