4yyt

Human Carbonic Anhydrase II complexed with an inhibitor with a benzenesulfonamide group (5).

Method: X-RAY DIFFRACTION Dmax: 60.1 Å Quality: GOOD

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 MBO MERCURIBENZOIC ACID × 1 GOL GLYCEROL × 1 S2O 4-(2-hydroxyethyl)benzenesulfonamide × 4 ZN ZINC ION × 1 X-RAY DIFFRACTION X-ray crystallization conditions:VAPOR DIFFUSION, HANGING DROP;291 K;2.5 uL of the protein solution (10 mg/ml hCAII in 50 mM Tris pH 7.8) were mixed with 2.5 uL of the well solution (2.7 M (NH4)SO4, 100 mM Tris, pH 7.8, saturated with p-chloromercurybenzoicacid) and placed as a hanging drop. Crystals appeared after several days. The crystals were soaked in 3.0 M (NH4)SO4, 100 mM Tris, pH 7.8, saturated with the inhibitor, for 1 day. Resolution 1.07 Å R-free 0.166

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 1272 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

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 4yyt

P(r) Distance Distribution P(r) Distribution

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

Entry ID entry_id4yyt
Deposition date deposition_date2015-03-24
Structure title titleHuman Carbonic Anhydrase II complexed with an inhibitor with a benzenesulfonamide group (5).
Keywords keywordsLyase; LYASE
Experimental Method methodX-RAY DIFFRACTION

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

Radius of gyration Rg (Guinier) rg_guinier18.45
Radius of gyration Rg (electron density) rg_electron17.24
Forward intensity I(0) i015280700.00
Molecular weight molecular_weight29614.0 kDa
Excluded volume excluded_volume36984 ų
Envelope volume envelope_volume40575 ų
Hydration-shell volume shell_volume19091 ų
Envelope diameter envelope_diameter59.0
Shell Rg shell_rg24.03
Envelope Rg envelope_rg17.60
Shape Rg shape_rg17.23
Total Rg total_rg18.27
Total atoms total_atoms2081
Residues n_residues257
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 dmax60.1
Rg (real space) rg_real18.31
Rg uncertainty (real space) rg_real_error0.36
I(0) (real space) i0_real1.5280e+07
I(0) uncertainty (real space) i0_real_error1.8410e+05
Rg (reciprocal space) rg_reciprocal18.33
I(0) (reciprocal space) i0_reciprocal15280000.0000
Solution quality estimate total_estimate0.8010
Solution quality rating solution_quality GOOD a GOOD solution
P(r) peaks n_peaks3
Primary peak position r_peak_primary23.9
Skewness Skewness skewness0.058
Kurtosis Kurtosis kurtosis-0.448
Angular range angular_range— – 0.4300 −1
Current regularization parameter α current_alpha0.0000
Highest regularization parameter α highest_alpha2215000.0000
Real-space data points n_real_points74
GNOM version gnom_version4.1.3
Quality Criteria quality_criteria AN1: 0.000; Oscil: 0.807; Stabil: 1.000; Sysdev: 1.000; Positv: 1.000; Valcen: 0.989; Smooth: 0.000

5. Crystallography and Experiment 5. Crystallography & Experiment

6. Entities and Polymers Entities & Polymers (6)

7. Fold Classification (SCOP + CATH) 2 domains

SCOP 2.08 (1 domains)

Domain ID domain_idd4yyta_
Class classb — All beta proteins
Fold Fold foldb.74 — Carbonic anhydrase
Superfamily Superfamily superfamilyb.74.1 — Carbonic anhydrase
Family Family familyb.74.1.1 — Carbonic anhydrase

CATH v4.4 (1 domains)

Domain ID domain_id4yytA00
Class class3 — Alpha Beta
Architecture architecture10 — Roll
Topology topology200 — Carbonic Anhydrase II
Homologous superfamily homologous superfamily10 — Alpha carbonic anhydrase

8. Citations (1)

9. Files and Curves (10)