5FCX

Structure of Anabaena (Nostoc) sp. PCC 7120 Red Carotenoid Protein binding canthaxanthin

Entity

Entity ID	Chain ID	Description	Type	Chain length	Formula weight	Number of molecules	DB Name (Accession)	Biological source	Descriptive keywords
1	A, B	Red carotenoid protein (RCP)	polymer	170	19240.6	2	UniProt (Q8YXT8) Pfam (PF09150) In PDB	Nostoc sp.
2	A, B	beta,beta-carotene-4,4'-dione	non-polymer		564.8	2	Chemie (45D)

Sequence modifications

A, B: 2 - 163 (UniProt: Q8YXT8)

PDB	External Database	Details
Met 0	-	initiating methionine
Gly 1	-	cloning artifact
His 164	-	expression tag
His 165	-	expression tag
His 166	-	expression tag
His 167	-	expression tag
His 168	-	expression tag
His 169	-	expression tag

Contents of the asymmetric unit

Polymers	Number of chains	2
	Total formula weight	38481.2
Non-Polymers*	Number of molecules	2
	Total formula weight	1129.7
All*	Total formula weight	39610.9

*Water molecules are not included.