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	Phytochrome A	polymer	1122	124652.8	2	UniProt (P14712) Pfam (PF08446) Pfam (PF01590) Pfam (PF00360) Pfam (PF00989) Pfam (PF00512) Pfam (PF02518) In PDB	Arabidopsis thaliana (thale cress)	Protein ELONGATED HYPOCOTYL 8,Protein FAR RED ELONGATED 1,Protein FAR RED ELONGATED HYPOCOTYL 2
2	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.