5l3o

Crystal Structure of Human Carbonic Anhydrase II in Complex with a Quinoline Oligoamide Foldamer

Method: X-RAY DIFFRACTION Dmax: 85.7 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 heterocomplex Heteromer Protein × 6 PDB declaration: hexameric(6) Consistent with protein copy count Chain A; UniProt 1–260 Chain B; UniProt 1–260 Not recorded Aromatic foldamer × 4 ZN ZINC ION × 2 GOL GLYCEROL × 7 X-RAY DIFFRACTION X-ray crystallization conditions:VAPOR DIFFUSION, SITTING DROP;pH 4.6;293 K;NA acetate, PEG 4000, NaN3 Resolution 1.98 Å R-free 0.236

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 Author chain B; 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 5l3o

P(r) Distance Distribution P(r) Distribution

P(r) distribution for 5l3o
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2. Structure Basics 2. Structure Basics

Entry ID entry_id5l3o
Deposition date deposition_date2016-05-24
Structure title titleCrystal Structure of Human Carbonic Anhydrase II in Complex with a Quinoline Oligoamide Foldamer
Keywords keywords;PROTEIN-FOLDAMER COMPLEX, PROTEIN FOLDAMER INTERACTIONS, MODIFIED INHIBITOR, ANCHORED FOLDAMER, HCAII DIMERISATION, QUINOLINE OLIGOAMIDE FOLDAMER, BENZENE SULFONAMIDE MODIFIED INHIBITOR, LYASE-INHIBITOR COMPLEX ;; Lyase/Inhibitor
Experimental Method methodX-RAY DIFFRACTION

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

Radius of gyration Rg (Guinier) rg_guinier27.23
Radius of gyration Rg (electron density) rg_electron26.69
Forward intensity I(0) i062375300.00
Molecular weight molecular_weight62418.0 kDa
Excluded volume excluded_volume78263 ų
Envelope volume envelope_volume93726 ų
Hydration-shell volume shell_volume29512 ų
Envelope diameter envelope_diameter90.1
Shell Rg shell_rg33.97
Envelope Rg envelope_rg26.66
Shape Rg shape_rg26.63
Total Rg total_rg27.69
Total atoms total_atoms4423
Residues n_residues518
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 dmax85.7
Rg (real space) rg_real27.26
Rg uncertainty (real space) rg_real_error0.55
I(0) (real space) i0_real6.2380e+07
I(0) uncertainty (real space) i0_real_error9.7290e+05
Rg (reciprocal space) rg_reciprocal27.26
I(0) (reciprocal space) i0_reciprocal62380000.0000
Solution quality estimate total_estimate0.8971
Solution quality rating solution_quality GOOD a GOOD solution
P(r) peaks n_peaks2
Primary peak position r_peak_primary28.1
Skewness Skewness skewness0.354
Kurtosis Kurtosis kurtosis-0.521
Angular range angular_range— – 0.2900 −1
Current regularization parameter α current_alpha0.0000
Highest regularization parameter α highest_alpha19170000.0000
Real-space data points n_real_points59
GNOM version gnom_version4.1.3
Quality Criteria quality_criteria AN1: 0.000; Oscil: 0.903; Stabil: 1.000; Sysdev: 1.000; Positv: 1.000; Valcen: 0.991; Smooth: 0.956

5. Crystallography and Experiment 5. Crystallography & Experiment

6. Entities and Polymers Entities & Polymers (5)

7. Fold Classification (SCOP + CATH) 2 domains

SCOP 2.08 (2 domains)

Domain ID domain_idd5l3oa_
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
Domain ID domain_idd5l3ob_
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

8. Citations (1)

9. Files and Curves (10)