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Photosynthetic reaction center mutant with phe M 197 replaced with arg and tyr M 177 replaced with phe (chain M, Y177F, F197R)

Analyse Photosynthetic reaction center mutant with phe M 197 replaced with arg and tyr… in the GL1X research workbench: secondary structure, accessibility, pockets, interfaces, conservation, variants, modifications, peptides, crosslinks and neighbours on the 3D structure.

PDB
1MPS
Type
protein
Length
823 residues
Chains
3
Method
x-ray diffraction
Collection
MolNFT v1 / PDB
Contract
0xDE3723766Bc32dcACD03C17BaA400A7B36837Eba
Owner
0x3396CDB397284571d12822B4ae1189a8E22AAAAA
Molecule
Photosynthetic reaction center
UniProt
P02954, P02953, P11846
Ligands
BCL, BPH, U10, SPN, FE2, PO4
Pockets
15 · best druggability 0.80

Structure

x-ray diffraction · 3 distinct chains · 53% helix, 10% strand (DSSP).

ChainMoleculeTypeResiduesSecondary structureUniProt
LPhotosynthetic reaction centerprotein28163% helix, 4% strandP02954
MPhotosynthetic reaction centerprotein30265% helix, 4% strandP02953
HPhotosynthetic reaction centerprotein24026% helix, 25% strandP11846

Ligands and binding sites

  • BCL · Bacteriochlorophyll A · ligand · 4 copies · chains L, M
  • BPH · Bacteriopheophytin A · ligand · 2 copies · chains L, M
  • U10 · Ubiquinone-10 · ligand · 2 copies · chains L, M
  • SPN · Speroidenone · ligand · chains M
  • FE2 · Fe (II) ion · metal · chains L, M
  • PO4 · Phosphate ion · ion · chains L, M
  • LDA · Lauryl dimethylamine-N-oxide · additive · 3 copies · chains M, H, L

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

Pockets

15 pockets found on a 1 Å grid, 8 with a druggability of 0.5 or more.

PocketVolume (ų)DruggabilityBuriednessLining residuesInside
17460.800.8464BCL
22140.750.9037U10
31120.750.9633empty
41530.620.8428empty
5980.590.8617SPN

Interfaces

3 interfaces between chains.

  • L–M · 4552 Ų buried · 63 hydrogen bonds · protein-protein
  • M–H · 2824 Ų buried · 40 hydrogen bonds · protein-protein
  • L–H · 1622 Ų buried · 13 hydrogen bonds · protein-protein

Compared structures

  • 1MPS · Photosynthetic reaction center mutant with phe M 197 replaced with arg and tyr M 177… · the same entry in another collection · chain L against L, TM-score 1.00

Analyse

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