8IFF

Cryo-EM structure of Arabidopsis phytochrome A.

Entity

Entity ID	Chain ID	Description	Type	Chain length	Formula weight	Number of molecules	DB Name (Accession)	Biological source	Descriptive keywords
1	A, B (A, B)	Phytochrome A	polymer	1122	124652.8	2	UniProt (P14712) Pfam (PF08446) Pfam (PF01590) Pfam (PF00360) Pfam (PF00989) Pfam (PF00512) Pfam (PF02518)	Arabidopsis thaliana (thale cress)	Protein ELONGATED HYPOCOTYL 8,Protein FAR RED ELONGATED 1,Protein FAR RED ELONGATED HYPOCOTYL 2
2	C, D (A, B)	3-[5-[[(3~{R},4~{R})-3-ethyl-4-methyl-5-oxidanylidene-3,4-dihydropyrrol-2-yl]methyl]-2-[[5-[(4-ethyl-3-methyl-5-oxidanylidene-pyrrol-2-yl)methyl]-3-(3-hydroxy-3-oxopropyl)-4-methyl-1~{H}-pyrrol-2-yl]methyl]-4-methyl-1~{H}-pyrrol-3-yl]propanoic acid	non-polymer		586.7	2	Chemie (O6E)

Contents of the asymmetric unit

Polymers	Number of chains	2
	Total formula weight	249305.5
Non-Polymers*	Number of molecules	2
	Total formula weight	1173.4
All*	Total formula weight	250478.9

*Water molecules are not included.