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9f2f

Carbonic anhydrase II variant with bound iron complex in space group R3 (ArPase)

Method: X-RAY DIFFRACTION
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1. Protein Identity and Related Structures Protein Identity & Related Structures

Carbonic anhydrase 2

Homo sapiens

UniProt P00918

State in the Current Structure

Assembly Physical composition Protein state Molecular copy count Associated components Data consistency
1 Protein monomer Monomer Protein 1 ;4,4,7,10,10-pentamethyl-3,6,8,11-tetrakis(oxidanylidene)-N-[2-(4-sulfamoylphenyl)ethyl]-2,5,7,9,12-pentazabicyclo[11.4.0]heptadeca-1(13),14,16-triene-15-carboxamide containing iron ; × 1 ZINC ION × 4 1,2-ETHANEDIOL × 2 water × 1 Consistent with protein count
2 Protein monomer Monomer Protein 1 ;4,4,7,10,10-pentamethyl-3,6,8,11-tetrakis(oxidanylidene)-N-[2-(4-sulfamoylphenyl)ethyl]-2,5,7,9,12-pentazabicyclo[11.4.0]heptadeca-1(13),14,16-triene-15-carboxamide containing iron ; × 1 ZINC ION × 4 1,2-ETHANEDIOL × 3 water × 1 Consistent with protein count
3 Protein monomer Monomer Protein 1 ;4,4,7,10,10-pentamethyl-3,6,8,11-tetrakis(oxidanylidene)-N-[2-(4-sulfamoylphenyl)ethyl]-2,5,7,9,12-pentazabicyclo[11.4.0]heptadeca-1(13),14,16-triene-15-carboxamide containing iron ; × 1 ZINC ION × 2 1,2-ETHANEDIOL × 5 water × 1 Consistent with protein count
4 Protein monomer Monomer Protein 1 ;4,4,7,10,10-pentamethyl-3,6,8,11-tetrakis(oxidanylidene)-N-[2-(4-sulfamoylphenyl)ethyl]-2,5,7,9,12-pentazabicyclo[11.4.0]heptadeca-1(13),14,16-triene-15-carboxamide containing iron ; × 1 ZINC ION × 4 1,2-ETHANEDIOL × 1 water × 1 Consistent with protein count

Other States of the Same Protein in the Database

Monomer
12ca 1a42 1am6 1avn 1bcd 1bic 1bn1 1bn3 1bn4 1bnm 1bnn 1bnq

1245 assemblies; showing the first 12

Homodimer
3l14 4lp6

2 assemblies

Homotetramer

None

Other homooligomers

None

Heteromeric or nucleic-acid complex
3hkn 3hkt 4ywp 5l3o 5l6k 5l6t 5l70 5l9e 5l9e 5l9e 5l9e 5lvs

26 assemblies; showing the first 12

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.

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2. Structure Basics 2. Structure Basics

Entry ID entry_id9f2f
Deposition date deposition_date2024-04-23
Last revision last_revision2025-03-05
Structure title titleCarbonic anhydrase II variant with bound iron complex in space group R3 (ArPase)
Keywords keywordsartificial enzyme, metalloenzyme, peroxidase, human carbonic anhydrase, OXIDOREDUCTASE; OXIDOREDUCTASE
Experimental Method methodX-RAY DIFFRACTION
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3. Official assembly/model SAXS Official SAXS Profiles

This page reads only the latest assembly calculations. Every curve maps to an explicit PDB entry, official biological assembly and coordinate model.

9f2f__assembly_3__model_1

Assembly 3 · Model 1 · CRYSOL 4.1.3-1-20251215 (887e7ef)

Download this curve (.dat)

9f2f__assembly_3__model_1 | I(q)

10-2 10-1 105 106 107 q (1/Angstrom) I(q)
100 plotted points; both axes use logarithmic scales.

9f2f__assembly_3__model_1 | P(r) · Pending

The new assembly/model P(r) has not been calculated yet This placeholder does not display legacy data r (Angstrom) P(r)
P(r) will be calculated and displayed separately for the same assembly/model.
Rg（Guinier）18.59 Å
Rg (electron density)17.33 Å
Total Rg18.42 Å
Atom count2130
Residues259
Excluded volume37554 ų
Maximum q0.500 Å⁻¹
Assembly Model Structure unit Oligomeric description Status CRYSOL Actions
1 1 9f2f__assembly_1__model_1 monomeric （1） Success 4.1.3-1-20251215 (887e7ef) View Download
2 1 9f2f__assembly_2__model_1 monomeric （1） Success 4.1.3-1-20251215 (887e7ef) View Download
3 1 9f2f__assembly_3__model_1 monomeric （1） Success 4.1.3-1-20251215 (887e7ef) View Download
4 1 9f2f__assembly_4__model_1 monomeric （1） Success 4.1.3-1-20251215 (887e7ef) View Download
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4. Crystallography and Experiment 4. Crystallography & Experiment

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5. Entities and Polymers Entities & Polymers (5)

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7. Citations (1)