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Crystal structure of ruminococcus gnavus immunoglobulin binding protein in complex with 338E6 Fab

Analyse Crystal structure of ruminococcus gnavus immunoglobulin binding protein in… in the GL1X research workbench: secondary structure, accessibility, pockets, interfaces, conservation, variants, modifications, peptides, crosslinks and neighbours on the 3D structure.

PDB
7KPJ
Type
protein
Length
1,265 residues
Chains
6
Method
x-ray diffraction
Collection
MolNFT v1 / PDB
Contract
0xDE3723766Bc32dcACD03C17BaA400A7B36837Eba
Owner
0x3396CDB397284571d12822B4ae1189a8E22AAAAA
Molecule
338E6 Fab light chain kappa; GRAM_POS_ANCHORING domain-containing protein; 338E6 Fab…
UniProt
A0A2N5NGA8
Ligands
CA
Pockets
14 · best druggability 0.64

Structure

x-ray diffraction · 6 distinct chains · 6% helix, 51% strand (DSSP).

ChainMoleculeTypeResiduesSecondary structureUniProt
B338E6 Fab light chain kappaprotein2136% helix, 51% strand—
EGRAM_POS_ANCHORING domain-containing proteinprotein2188% helix, 54% strandA0A2N5NGA8
FGRAM_POS_ANCHORING domain-containing proteinprotein2157% helix, 53% strandA0A2N5NGA8
A338E6 Fab heavy chainprotein2106% helix, 51% strand—
C338E6 Fab heavy chainprotein2087% helix, 50% strand—
D338E6 Fab light chain kappaprotein2013% helix, 49% strand—

Ligands and binding sites

  • CA · Calcium ion · metal · 2 copies · chains E, F

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
15570.640.7549empty
26160.640.7561empty
34670.610.7572empty
43090.570.7748empty
52000.500.7732empty

Interfaces

5 interfaces between chains.

  • B–A · 1669 Ų buried · 12 hydrogen bonds · protein-protein
  • C–D · 1649 Ų buried · 14 hydrogen bonds · protein-protein
  • B–E · 631 Ų buried · 6 hydrogen bonds · protein-protein
  • F–D · 615 Ų buried · 7 hydrogen bonds · protein-protein
  • A–C · 106 Ų buried · 0 hydrogen bonds · protein-protein

Modifications

Observed in the structure: 10 disulfide (disulfide).

Compared structures

  • 7KPJ · Crystal structure of Ruminococcus gnavus immunoglobulin binding protein in complex with… · the same entry in another collection · chain B against B, TM-score 1.00

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