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Crystal structure of the hypab complex

Analyse Crystal structure of the hypab complex in the GL1X research workbench: secondary structure, accessibility, pockets, interfaces, conservation, variants, modifications, peptides, crosslinks and neighbours on the 3D structure.

PDB
5AUP
Type
protein
Length
752 residues
Chains
4
Method
x-ray diffraction
Collection
MolNFT v1 / PDB
Contract
0xDE3723766Bc32dcACD03C17BaA400A7B36837Eba
Owner
0x3396CDB397284571d12822B4ae1189a8E22AAAAA
Molecule
Probable hydrogenase nickel incorporation protein hypa; ATPase involved in chromosome…
UniProt
Q5JIH3, Q5JIH4
Ligands
ACP, ZN, MG
Pockets
6 · best druggability 0.89

Structure

x-ray diffraction · 4 distinct chains · 38% helix, 24% strand (DSSP).

ChainMoleculeTypeResiduesSecondary structureUniProt
AProbable hydrogenase nickel incorporation protein hypaprotein13637% helix, 28% strandQ5JIH3
BATPase involved in chromosome partitioning, PARA/MIND family, mrp homologprotein24038% helix, 22% strandQ5JIH4
HProbable hydrogenase nickel incorporation protein hypaprotein13535% helix, 28% strandQ5JIH3
IATPase involved in chromosome partitioning, PARA/MIND family, mrp homologprotein24139% helix, 21% strandQ5JIH4

Ligands and binding sites

  • ACP · Phosphomethylphosphonic acid adenylate ester · ligand · 2 copies · chains B, I
  • ZN · Zinc ion · metal · 2 copies · chains A, H
  • MG · Magnesium ion · metal · 2 copies · chains B, I

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

Pockets

6 pockets found on a 1 Å grid, 2 with a druggability of 0.5 or more.

PocketVolume (ų)DruggabilityBuriednessLining residuesInside
18810.890.9186ACP, MG
26150.650.7660empty
3890.480.8222empty
4590.360.7812empty
5620.280.7314empty

Interfaces

5 interfaces between chains.

  • B–I · 1900 Ų buried · 28 hydrogen bonds · protein-protein
  • B–H · 1633 Ų buried · 21 hydrogen bonds · protein-protein
  • A–I · 1588 Ų buried · 22 hydrogen bonds · protein-protein
  • H–I · 280 Ų buried · 4 hydrogen bonds · protein-protein
  • A–B · 275 Ų buried · 4 hydrogen bonds · protein-protein

Compared structures

  • 5AUP · Crystal structure of the HypAB complex · the same entry in another collection · chain A against A, TM-score 1.00
  • Q5JIH3 · AlphaFold monomer V2.0 prediction for hydrogenase maturation factor hypa (Q5JIH3) · a predicted model of the same protein · chain A against A, TM-score 0.97

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