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Crystal structure of diferrous maug in complex with pre-methylamine dehydrogenase:

Analyse Crystal structure of diferrous maug in complex with pre-methylamine… in the GL1X research workbench: secondary structure, accessibility, pockets, interfaces, conservation, variants, modifications, peptides, crosslinks and neighbours on the 3D structure.

PDB
3PXS
Type
protein
Length
1,711 residues
Chains
6
Method
x-ray diffraction
Collection
MolNFT v1 / PDB
Contract
0xDE3723766Bc32dcACD03C17BaA400A7B36837Eba
Owner
0x3396CDB397284571d12822B4ae1189a8E22AAAAA
Molecule
Methylamine utilization protein maug; Methylamine dehydrogenase light chain; Methylamine…
EC
1.-.-.-, 1.4.99.3
UniProt
Q51658, P22619, A1BB97
Ligands
HEC, NA, CA
Pockets
20 · best druggability 0.87

Structure

x-ray diffraction · 4 distinct chains · 28% helix, 23% strand (DSSP).

ChainMoleculeTypeResiduesSecondary structureUniProt
AMethylamine utilization protein maug (EC 1.-.-.-)protein35442% helix, 8% strandQ51658
BMethylamine utilization protein maug (EC 1.-.-.-)protein35543% helix, 8% strandQ51658
C, EMethylamine dehydrogenase light chain (EC 1.4.99.3)protein12510% helix, 32% strandP22619
D, FMethylamine dehydrogenase heavy chain (EC 1.4.99.3)protein3766% helix, 48% strandA1BB97

Ligands and binding sites

  • HEC · Heme C · ligand · 4 copies · chains A, B
  • NA · Sodium ion · metal · 4 copies · chains A, B
  • CA · Calcium ion · metal · 2 copies · chains A, B
  • ACT · Acetate ion · additive · 3 copies · chains C, D, F
  • PG4 · Tetraethylene glycol · additive · chains F
  • PG6 · 1-(2-methoxy-ethoxy)-2-{2-[2-(2-methoxy-ethoxy]-ethoxy}-ethane · additive · chains 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, 13 with a druggability of 0.5 or more.

PocketVolume (ų)DruggabilityBuriednessLining residuesInside
16890.870.9195HEC
26520.870.9191HEC, CA
32290.810.9438empty
42250.800.9340empty
510140.780.80109empty

Interfaces

11 interfaces between chains.

  • C–D · 1677 Ų buried · 26 hydrogen bonds · protein-protein
  • E–F · 1670 Ų buried · 26 hydrogen bonds · protein-protein
  • C–F · 1325 Ų buried · 19 hydrogen bonds · protein-protein
  • D–E · 1320 Ų buried · 22 hydrogen bonds · protein-protein
  • A–C · 897 Ų buried · 10 hydrogen bonds · protein-protein

Modifications

Observed in the structure: 14 disulfide, 8 cofactor, 2 modified (disulfide, heme c attachment, nonstandard).

Compared structures

  • 3PXS · Crystal Structure of Diferrous MauG in Complex with Pre-Methylamine Dehydrogenase: · the same entry in another collection · chain B against B, TM-score 1.00
  • Q51658 · AlphaFold monomer V2.0 prediction for methylamine utilization protein maug (Q51658) · a predicted model of the same protein · chain B against A, TM-score 1.00
  • P22619 · AlphaFold monomer V2.0 prediction for methylamine dehydrogenase light chain (P22619) · a predicted model of the same protein · chain C against A, TM-score 0.99

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