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Lhcii-2 in the state transition supercomplex psi-lhci-lhcii from the double phosphatase mutant PPH1;PBCP of chlamydomonas reinhardti.

Analyse Lhcii-2 in the state transition supercomplex psi-lhci-lhcii from the double… in the GL1X research workbench: secondary structure, accessibility, pockets, interfaces, conservation, variants, modifications, peptides, crosslinks and neighbours on the 3D structure.

PDB
7E0K
Type
protein
Length
677 residues
Chains
3
Method
electron microscopy
Collection
MolNFT v1 / PDB
Contract
0xDE3723766Bc32dcACD03C17BaA400A7B36837Eba
Owner
0x3396CDB397284571d12822B4ae1189a8E22AAAAA
Molecule
Chlorophyll a-B binding protein, chloroplastic
UniProt
Q93WL4, Q9ZSJ4, Q93WE0
Ligands
CLA, CHL, LUT, XAT, NEX, LHG, LMG
Pockets
20 · best druggability 0.63

Structure

electron microscopy · 3 distinct chains · 50% helix, 2% strand (DSSP).

ChainMoleculeTypeResiduesSecondary structureUniProt
UChlorophyll a-B binding protein, chloroplasticprotein21952% helix, 2% strandQ93WL4
VChlorophyll a-B binding protein, chloroplasticprotein23846% helix, 2% strandQ9ZSJ4
WChlorophyll a-B binding protein, chloroplasticprotein22051% helix, 2% strandQ93WE0

Ligands and binding sites

  • CLA · Chlorophyll A · ligand · 24 copies · chains U, V, W
  • CHL · Chlorophyll B · ligand · 18 copies · chains U, W, V
  • LUT · (3R,3'R,6S)-4,5-didehydro-5,6-dihydro-beta,beta-carotene-3,3'-diol · ligand · 6 copies · chains U, V, W
  • XAT · (3S,5R,6S,3'S,5'R,6'S)-5,6,5',6'-diepoxy-5,6,5',6'-tetrahydro-beta,beta-carotene-3,3'-diol · ligand · 3 copies · chains U, V, W
  • NEX · (1R,3R)-6-{(3E,5E,7E,9E,11E,13E,15E,17E)-18-[(1S,4R, 6R)-4-hydroxy-2,2,6-trimethyl-7-oxabicyclo[4.1.0]hept-1-yl]-3,7,12,16-tetramethyloctadeca-1,3,5,7,9,11,13, 15,17-nonaenylidene}-1,5,5-trimethylcyclohexane-1,3-diol · ligand · 3 copies · chains U, V, W
  • LHG · 1,2-dipalmitoyl-phosphatidyl-glycerole · ligand · 3 copies · chains U, V, W
  • LMG · 1,2-distearoyl-monogalactosyl-diglyceride · ligand · chains V

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

Pockets

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

PocketVolume (ų)DruggabilityBuriednessLining residuesInside
14510.630.7651CHL, CLA
21110.610.8721empty
33090.570.7635CHL, CLA
42490.570.7823CLA
52560.560.7724CLA

Interfaces

3 interfaces between chains.

  • U–W · 929 Ų buried · 1 hydrogen bond · protein-protein
  • V–W · 882 Ų buried · 5 hydrogen bonds · protein-protein
  • U–V · 839 Ų buried · 3 hydrogen bonds · protein-protein

Modifications

Observed in the structure: 1 modified (phosphorylation).

Compared structures

  • 7E0K · LHCII-2 in the state transition supercomplex PSI-LHCI-LHCII from the double phosphatase… · the same entry in another collection · chain U against U, TM-score 1.00

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