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MolNFT v1 · #86851 · protein

Crystal structure of cpxahdc (orthorhombic form 2)

4BIZ · Sensor protein cpxa: “Crystal structure of cpxahdc (orthorhombic form 2)”. X-ray diffraction, 2 ligands (ADP, SO4), 20 pockets (best druggability 0.81). MolNFT v1 #86851 on GenesisL1: 3D structure, binding sites and pockets in GL1X.

PDB
4BIZ
Type
protein
Length
1,367 residues
Chains
6
Method
x-ray diffraction
Collection
MolNFT v1 / PDB
Contract
0xDE3723766Bc32dcACD03C17BaA400A7B36837Eba
Owner
0x3396CDB397284571d12822B4ae1189a8E22AAAAA
Molecule
Sensor protein cpxa
EC
2.7.13.3
UniProt
P0AE82
Ligands
ADP, SO4
Pockets
20 · best druggability 0.81

Structure

x-ray diffraction · 6 distinct chains · 54% helix, 19% strand (DSSP).

ChainMoleculeTypeResiduesSecondary structureUniProt
ASensor protein cpxa (EC 2.7.13.3)protein23354% helix, 19% strandP0AE82
BSensor protein cpxa (EC 2.7.13.3)protein22753% helix, 19% strandP0AE82
CSensor protein cpxa (EC 2.7.13.3)protein23955% helix, 18% strandP0AE82
DSensor protein cpxa (EC 2.7.13.3)protein21456% helix, 21% strandP0AE82
ESensor protein cpxa (EC 2.7.13.3)protein22954% helix, 19% strandP0AE82
FSensor protein cpxa (EC 2.7.13.3)protein22554% helix, 20% strandP0AE82

Ligands and binding sites

  • ADP · Adenosine-5'-diphosphate · ligand · 4 copies · chains A, C, E, F
  • SO4 · Sulfate ion · ion · 6 copies · chains A, E, B, C, D, F

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

Pockets

20 pockets found on a 1 Å grid, 10 with a druggability of 0.5 or more.

PocketVolume (ų)DruggabilityBuriednessLining residuesInside
17910.810.8466empty
25250.800.8768ADP
35190.780.8565ADP
44960.750.8367ADP
51450.700.8927empty

Interfaces

9 interfaces between chains.

  • A–B · 2980 Ų buried · 30 hydrogen bonds · protein-protein
  • C–D · 2788 Ų buried · 20 hydrogen bonds · protein-protein
  • E–F · 2702 Ų buried · 18 hydrogen bonds · protein-protein
  • B–D · 1571 Ų buried · 15 hydrogen bonds · protein-protein
  • B–C · 445 Ų buried · 2 hydrogen bonds · protein-protein

Compared structures

  • 4BIZ · Crystal structure of CpxAHDC (orthorhombic form 2) · the same entry in another collection · chain F against F, TM-score 1.00
  • P0AE82 · AlphaFold monomer V2.0 prediction for sensor histidine kinase cpxa (P0AE82) · a predicted model of the same protein · chain F against A, TM-score 0.76

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