7agn

Human carbonic anhydrase II in complex with 4-(2-aminoethylsulfanyl)-2,3,5,6-tetrafluoro-N-methyl-benzenesulfonamide

Method: X-RAY DIFFRACTION Dmax: 113.9 Å Quality: REASONABLE

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

carbonic anhydrase 2

Homo sapiens

UniProt P00918

State in the Current Structure

Assembly Oligomeric State Construct Mutations and Modifications Ligands, Ions and Associated Components Method and Experimental Conditions Structure Quality
1 Protein monomer Monomer Protein × 1 PDB declaration: monomeric(1) Consistent with protein copy count Chain A; UniProt 1–260 Not recorded ZN ZINC ION × 1 RAK 4-(2-azanylethylsulfanyl)-2,3,5,6-tetrakis(fluoranyl)-~{N}-methyl-benzenesulfonamide × 1 NA SODIUM ION × 1 BCN BICINE × 1 X-RAY DIFFRACTION X-ray crystallization conditions:VAPOR DIFFUSION, SITTING DROP;291 K;Crystallization buffer: 0.1M sodium bicine (pH 9), 0.2M ammonium sulfate and 2M sodium malonate (pH 7) Resolution 1.15 Å R-free 0.186
2 Protein monomer Monomer Protein × 1 PDB declaration: monomeric(1) Consistent with protein copy count Chain B; UniProt 1–260 Not recorded ZN ZINC ION × 1 RAK 4-(2-azanylethylsulfanyl)-2,3,5,6-tetrakis(fluoranyl)-~{N}-methyl-benzenesulfonamide × 1 NA SODIUM ION × 2 BCN BICINE × 1 X-RAY DIFFRACTION X-ray crystallization conditions:VAPOR DIFFUSION, SITTING DROP;291 K;Crystallization buffer: 0.1M sodium bicine (pH 9), 0.2M ammonium sulfate and 2M sodium malonate (pH 7) Resolution 1.15 Å R-free 0.186
3 Protein monomer Monomer Protein × 1 PDB declaration: monomeric(1) Consistent with protein copy count Chain C; UniProt 1–260 Not recorded ZN ZINC ION × 1 RAK 4-(2-azanylethylsulfanyl)-2,3,5,6-tetrakis(fluoranyl)-~{N}-methyl-benzenesulfonamide × 1 BCN BICINE × 1 X-RAY DIFFRACTION X-ray crystallization conditions:VAPOR DIFFUSION, SITTING DROP;291 K;Crystallization buffer: 0.1M sodium bicine (pH 9), 0.2M ammonium sulfate and 2M sodium malonate (pH 7) Resolution 1.15 Å R-free 0.186
4 Protein monomer Monomer Protein × 1 PDB declaration: monomeric(1) Consistent with protein copy count Chain D; UniProt 1–260 Not recorded ZN ZINC ION × 1 RAK 4-(2-azanylethylsulfanyl)-2,3,5,6-tetrakis(fluoranyl)-~{N}-methyl-benzenesulfonamide × 1 NA SODIUM ION × 1 BCN BICINE × 1 X-RAY DIFFRACTION X-ray crystallization conditions:VAPOR DIFFUSION, SITTING DROP;291 K;Crystallization buffer: 0.1M sodium bicine (pH 9), 0.2M ammonium sulfate and 2M sodium malonate (pH 7) Resolution 1.15 Å R-free 0.186

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.

1239 other PDB entries and 1269 assemblies. Open the comparison page and filter oligomeric states

View Construct and Data Evidence
UniProt name CAH2_HUMAN
Isoform
PDB entities 1
Chains and sequence ranges Author chain A; PDBConstruct 1–260; UniProt 1–260 Author chain B; PDBConstruct 1–260; UniProt 1–260 Author chain C; PDBConstruct 1–260; UniProt 1–260 Author chain D; PDBConstruct 1–260; UniProt 1–260

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 7agn

P(r) Distance Distribution P(r) Distribution

P(r) distribution for 7agn
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2. Structure Basics 2. Structure Basics

Entry ID entry_id7agn
Deposition date deposition_date2020-09-23
Structure title titleHuman carbonic anhydrase II in complex with 4-(2-aminoethylsulfanyl)-2,3,5,6-tetrafluoro-N-methyl-benzenesulfonamide
Keywords keywordsdrug design, carbonic anhydrase, benzenesulfonamide, metal-binding, lyase-lyase inhibitor complex, LYASE; LYASE
Experimental Method methodX-RAY DIFFRACTION

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

Radius of gyration Rg (Guinier) rg_guinier34.79
Radius of gyration Rg (electron density) rg_electron34.50
Forward intensity I(0) i0208569000.00
Molecular weight molecular_weight117340.0 kDa
Excluded volume excluded_volume146940 ų
Envelope volume envelope_volume183770 ų
Hydration-shell volume shell_volume44787 ų
Envelope diameter envelope_diameter122.8
Shell Rg shell_rg40.44
Envelope Rg envelope_rg34.25
Shape Rg shape_rg34.49
Total Rg total_rg34.97
Total atoms total_atoms8295
Residues n_residues1031
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 dmax113.9
Rg (real space) rg_real34.80
Rg uncertainty (real space) rg_real_error0.82
I(0) (real space) i0_real2.0860e+08
I(0) uncertainty (real space) i0_real_error3.4130e+06
Rg (reciprocal space) rg_reciprocal34.79
I(0) (reciprocal space) i0_reciprocal208600000.0000
Solution quality estimate total_estimate0.6600
Solution quality rating solution_quality REASONABLE a REASONABLE solution
P(r) peaks n_peaks2
Primary peak position r_peak_primary48.1
Skewness Skewness skewness0.333
Kurtosis Kurtosis kurtosis-0.301
Angular range angular_range— – 0.2250 −1
Current regularization parameter α current_alpha0.0000
Highest regularization parameter α highest_alpha138000000.0000
Real-space data points n_real_points46
GNOM version gnom_version4.1.3
Quality Criteria quality_criteria AN1: 0.000; Oscil: 0.882; Stabil: 1.000; Sysdev: 0.062; Positv: 1.000; Valcen: 0.993; Smooth: 0.750

5. Crystallography and Experiment 5. Crystallography & Experiment

6. Entities and Polymers Entities & Polymers (6)

8. Citations (1)

9. Files and Curves (10)