7q0d

Human carbonic anhydrase I in complex with Methyl 2-(benzenesulfonyl)-4-chloro-5-sulfamoylbenzoate

Method: X-RAY DIFFRACTION Dmax: 79.3 Å Quality: GOOD

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

Carbonic anhydrase 1

Homo sapiens

UniProt P00915

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 1–261 Not recorded ZN ZINC ION × 1 84Z methyl 4-chloranyl-2-(phenylsulfonyl)-5-sulfamoyl-benzoate × 1 EDO 1,2-ETHANEDIOL × 8 ACT ACETATE ION × 2 PEG DI(HYDROXYETHYL)ETHER × 3 X-RAY DIFFRACTION X-ray crystallization conditions:VAPOR DIFFUSION, SITTING DROP;291 K;Crystallization buffer: 0.1 M Tris-HCl (pH 8.5), 0.2 M ammonium acetate and 24% PEG4000 Resolution 1.24 Å R-free 0.158
2 Protein monomer Monomer Protein × 1 PDB declaration: monomeric(1) Consistent with protein copy count Chain B; UniProt 1–261 Not recorded ZN ZINC ION × 1 84Z methyl 4-chloranyl-2-(phenylsulfonyl)-5-sulfamoyl-benzoate × 1 EDO 1,2-ETHANEDIOL × 8 ACT ACETATE ION × 1 PEG DI(HYDROXYETHYL)ETHER × 6 X-RAY DIFFRACTION X-ray crystallization conditions:VAPOR DIFFUSION, SITTING DROP;291 K;Crystallization buffer: 0.1 M Tris-HCl (pH 8.5), 0.2 M ammonium acetate and 24% PEG4000 Resolution 1.24 Å R-free 0.158

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.

55 other PDB entries and 100 assemblies. Open the comparison page and filter oligomeric states

View Construct and Data Evidence
UniProt name CAH1_HUMAN
Isoform
PDB entities 1
Chains and sequence ranges Author chain A; PDBConstruct 1–261; UniProt 1–261 Author chain B; PDBConstruct 1–261; UniProt 1–261

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 7q0d

P(r) Distance Distribution P(r) Distribution

P(r) distribution for 7q0d
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2. Structure Basics 2. Structure Basics

Entry ID entry_id7q0d
Deposition date deposition_date2021-10-14
Structure title titleHuman carbonic anhydrase I in complex with Methyl 2-(benzenesulfonyl)-4-chloro-5-sulfamoylbenzoate
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_guinier24.57
Radius of gyration Rg (electron density) rg_electron23.70
Forward intensity I(0) i061283800.00
Molecular weight molecular_weight59725.0 kDa
Excluded volume excluded_volume74122 ų
Envelope volume envelope_volume86006 ų
Hydration-shell volume shell_volume29690 ų
Envelope diameter envelope_diameter83.4
Shell Rg shell_rg31.51
Envelope Rg envelope_rg23.88
Shape Rg shape_rg23.66
Total Rg total_rg24.67
Total atoms total_atoms4204
Residues n_residues516
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 dmax79.3
Rg (real space) rg_real24.50
Rg uncertainty (real space) rg_real_error0.36
I(0) (real space) i0_real6.1280e+07
I(0) uncertainty (real space) i0_real_error7.3950e+05
Rg (reciprocal space) rg_reciprocal24.51
I(0) (reciprocal space) i0_reciprocal61280000.0000
Solution quality estimate total_estimate0.8939
Solution quality rating solution_quality GOOD a GOOD solution
P(r) peaks n_peaks2
Primary peak position r_peak_primary28.9
Skewness Skewness skewness0.304
Kurtosis Kurtosis kurtosis-0.360
Angular range angular_range— – 0.3250 −1
Current regularization parameter α current_alpha0.0001
Highest regularization parameter α highest_alpha14060000.0000
Real-space data points n_real_points64
GNOM version gnom_version4.1.3
Quality Criteria quality_criteria AN1: 0.000; Oscil: 0.873; Stabil: 1.000; Sysdev: 1.000; Positv: 1.000; Valcen: 0.999; Smooth: 0.998

5. Crystallography and Experiment 5. Crystallography & Experiment

6. Entities and Polymers Entities & Polymers (7)

8. Citations (1)

9. Files and Curves (10)