Protein
Phycobiliprotein ApcE
Organism
Nostoc sp. (strain PCC 7120 / SAG 25.82 / UTEX 2576)
Function
This protein is postulated to act both as terminal energy acceptor (by its phycobilin-like domains) and as a linker polypeptide (by its repeats and arms) that stabilizes the phycobilisome core architecture. Has intrinsic bilin lyase activity (By similarity).
Similarity
Belongs to the phycobilisome linker protein family.
Sequence
MSVKASGGSSVARPQLYQTLAVATITQAEQQDRFLGRGELDELASYFASGAKRLEIAQLLTENSEIIVSRAANRIFVGGSPMAFLEKPREPELAMAAVGGGGDVRESMKLGTVTYVETRGGFLENLRSIFNTSPSGPTPPGFRPINIARYGPSNMAKSLRDLSWFLRYATYAIVAGDPNIIVVNTRGLREIIENACSGEATIVALQEIKAASLSYFRKDPEAAEIVSQYMDVLITEFKAPTPSNKLRQRPSGDQQGLQLPQIYFSAAERRPKFVMKTGLSATEKNEVIKAAYRQIFERDITRAYSLSISDLESKVKNGDISMKEFVRRLAKSPLYQKQFYQPFINSRVIELAFRHILGRGPSSREEVQKYFSIISNGGLPALVDALVDSAEYSDYFGEETVPYLRGLGQEAQECRNWGPQQDLFNYSAPFRKVPQFITTFAAYDRPLPDQHPYGSGNDPLEIQFGAIFPKETRNPSTSPAPFGKDTRRILIHQGPGINNQVSNPSARGLAPGSLGPKVFKLDQLPGTIGKKAAKGASVKFSESSTQAVIKATYLQVFGRDVYEGQRLKVQEIKLENGEISVRDFVRALAKSDLFRKLYWTPFYVCKAIEYIHRRLLGRPTYGRQENNKYFDIASKKGLYAVVDAILDSLEYTETFGEDTVPYERYLTPAGVALRQLRVGTIREDVANVEKQETPRFVELGTVKENRTQPDIDFRINQGVTKQREQTKVFKRVAGIKDKAAIKTLISAAYRQIFERDIAPYIAQNEFSGWESKLGNGEITVKEFIEGLGYSNLYLKEFYTPYPNTKVIELGTKHFLGRAPIDQAEIRKYNQILATQGIRAFINALVNSQEYNEVFGEDTVPYRRFPTLPAANFPNTQKLYNQLTKQNNDVVIPSFKPVQARIQSDKTPILAKAIADLAAQAKQMDKSKPLFIELGRSYNDGRGQSVEVGVGTTRRKPARIYRLTNGIGQAEKQLVINAIYRQVLDVFSGQVPDYYRRTELDSKLRNGEISVREFVREIASSEIYRKRFYTPYPNTKVIEFLFRHLLGRAPATQGEIRQYNKLLADNGLRAAVEAIVDSPEYSRYFGEDVVPYPRFPSLPAGNYLGSVQAAADLVKQSWSSLSPSTLTGRPGDR