PQ9 · 5-[(2E,6E,10E,14E,18E,22E)-3,7,11,15,19,23,27-heptamethyloctacosa-2,6,10,14,18,22,26-heptaenyl]-2,3-dimethylbenzo-1,4-quinone

Binding sites

PQ9 in 6 structures; the first of them:

• 7CZL · Structural insights into a dimeric Psb27-photosystem II complex from a cyanobacterium… · PQ9 A406 · binds PHE211, MET214, HIS215, LEU218, ALA251, HIS252, PHE255, ILE259 and 12 more
• 7DXA · PSII intermediate Psb28-RC47 · PQ9 d406 · binds PHE52, ILE77, ILE176, MET199, ALA202, GLY203, GLY206, LEU209 and 21 more
• 7DXH · Cryo-EM structure of PSII intermediate Psb28-PSII complex · PQ9 d408 · binds PHE52, ILE77, ILE176, MET199, ALA202, GLY203, GLY206, LEU209 and 21 more
• 7CZL · Structural insights into a dimeric PSB27-photosystem II complex from a cyanobacterium… · PQ9 A406 · binds PHE211, MET214, HIS215, LEU218, HIS252, PHE255, ILE259, ALA263 and 7 more
• 7DXA · Psii intermediate PSB28-RC47 · PQ9 d406 · binds MET199, ALA202, LEU209, LEU210, ILE213, HIS214, THR217, TYR244 and 12 more
• 7DXH · Cryo-EM structure of psii intermediate PSB28-psii complex · PQ9 d408 · binds ILE176, MET199, ALA202, LEU210, HIS214, THR217, TYR244, MET246 and 11 more

Residues it binds most

PHE 12, LEU 12, ALA 12, ILE 12, MET 12, HIS 12, VAL 8, THR 8, ASN 8, GLY 4 (residue and the binding sites it lines).

Found with

• BCR · Beta-carotene
• CLA · Chlorophyll A
• DGD · Digalactosyl diacyl glycerol (dgdg)
• HEM · Protoporphyrin IX containing Fe
• MGE · (1S)-2-(alpha-L-allopyranosyloxy)-1-[(tridecanoyloxy) methyl]ethyl palmitate
• PHO · Pheophytin A
• SQD · 1,2-di-O-acyl-3-O-[6-deoxy-6-sulfo-alpha-D-glucopyranosyl]-sn-glycerol
• FE2 · Fe (II) ion
• CL · Chloride ion
• LMT · Dodecyl-beta-D-maltoside
• UNL · Unknown ligand
• HTG · heptyl 1-thio-beta-D-glucopyranoside