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MolNFT v1 · #122465 · protein

Crystal structure of human carbonic anhydrase isozyme IV with 5-(2- amino-1,3-thiazol-4-yl)-2-chlorobenzenesulfonamide

5IPZ · Carbonic anhydrase 4: “Crystal structure of human carbonic anhydrase isozyme IV with 5-(2…”. X-ray diffraction, 2 ligands (6CC, ZN), 14 pockets (best druggability 0.74). MolNFT v1 #122465 on GenesisL1: 3D structure, binding sites…

PDB
5IPZ
Type
protein
Length
1,025 residues
Chains
4
Method
x-ray diffraction
Collection
MolNFT v1 / PDB
Contract
0xDE3723766Bc32dcACD03C17BaA400A7B36837Eba
Owner
0x3396CDB397284571d12822B4ae1189a8E22AAAAA
Molecule
Carbonic anhydrase 4
EC
4.2.1.1
UniProt
P22748
Ligands
6CC, ZN
Pockets
14 · best druggability 0.74

Structure

x-ray diffraction · 4 distinct chains · 13% helix, 31% strand (DSSP).

ChainMoleculeTypeResiduesSecondary structureUniProt
ACarbonic anhydrase 4 (EC 4.2.1.1)protein26115% helix, 31% strandP22748
BCarbonic anhydrase 4 (EC 4.2.1.1)protein25615% helix, 32% strandP22748
CCarbonic anhydrase 4 (EC 4.2.1.1)protein25512% helix, 32% strandP22748
DCarbonic anhydrase 4 (EC 4.2.1.1)protein25310% helix, 31% strandP22748

Ligands and binding sites

  • 6CC · 5-(2-amino-1,3-thiazol-4-yl)-2-chlorobenzene-1-sulfonamide · ligand · 3 copies · chains A, B, C
  • ZN · Zinc ion · metal · 4 copies · chains A, B, C, D

Binding sites are the residues within 4.5 Å of a ligand's heavy atoms.

Pockets

14 pockets found on a 1 Å grid, 4 with a druggability of 0.5 or more.

PocketVolume (ų)DruggabilityBuriednessLining residuesInside
18920.740.78696CC
27140.700.7751empty
37800.670.7567empty
41390.520.80236CC
5990.490.81246CC

Interfaces

3 interfaces between chains.

  • C–D · 462 Ų buried · 5 hydrogen bonds · protein-protein
  • B–C · 411 Ų buried · 5 hydrogen bonds · protein-protein
  • A–B · 99 Ų buried · 1 hydrogen bond · protein-protein

Modifications

Observed in the structure: 4 disulfide (disulfide).

Compared structures

  • 5IPZ · Crystal structure of human carbonic anhydrase isozyme IV with… · the same entry in another collection · chain D against D, TM-score 1.00
  • P22748 · AlphaFold monomer V2.0 prediction for carbonic anhydrase 4 (P22748) · a predicted model of the same protein · chain D against A, TM-score 0.99

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