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Pria helicase bound to ssb C-terminal tail peptide

Analyse Pria helicase bound to ssb C-terminal tail peptide in the GL1X research workbench: secondary structure, accessibility, pockets, interfaces, conservation, variants, modifications, peptides, crosslinks and neighbours on the 3D structure.

PDB
4NL8
Type
protein
Length
1,697 residues
Chains
6
Method
x-ray diffraction
Collection
MolNFT v1 / PDB
Contract
0xDE3723766Bc32dcACD03C17BaA400A7B36837Eba
Owner
0x3396CDB397284571d12822B4ae1189a8E22AAAAA
Molecule
Single-stranded DNA-binding protein; Primosome assembly protein pria
UniProt
G8W6B0, A6TGC5
Ligands
ZN
Pockets
20 · best druggability 0.80

Structure

x-ray diffraction · 5 distinct chains · 33% helix, 22% strand (DSSP).

ChainMoleculeTypeResiduesSecondary structureUniProt
C, FSingle-stranded DNA-binding proteinprotein30% helix, 0% strandG8W6B0
APrimosome assembly protein priaprotein54934% helix, 22% strandA6TGC5
DSingle-stranded DNA-binding proteinprotein50% helix, 0% strandG8W6B0
BPrimosome assembly protein priaprotein56633% helix, 23% strandA6TGC5
EPrimosome assembly protein priaprotein57133% helix, 22% strandA6TGC5

Ligands and binding sites

  • ZN · Zinc ion · metal · 6 copies · chains A, B, E

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

Pockets

20 pockets found on a 1 Å grid, 17 with a druggability of 0.5 or more.

PocketVolume (ų)DruggabilityBuriednessLining residuesInside
13960.800.8976empty
23380.790.8939empty
37290.790.8391empty
48690.790.8279empty
52920.780.9053empty

Interfaces

6 interfaces between chains.

  • A–E · 638 Ų buried · 9 hydrogen bonds · protein-protein
  • A–B · 566 Ų buried · 13 hydrogen bonds · protein-protein
  • D–B · 333 Ų buried · 1 hydrogen bond · protein-protein
  • F–E · 287 Ų buried · 2 hydrogen bonds · protein-protein
  • C–A · 265 Ų buried · 0 hydrogen bonds · protein-protein

Compared structures

  • 4NL8 · PriA Helicase Bound to SSB C-terminal Tail Peptide · the same entry in another collection · chain C against C, TM-score 1.00

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