6YYJ

Crystal structure of native Phycocyanin from T. elongatus in spacegroup P21212 at 2.1 Angstroms

Entity

Entity ID	Chain ID	Description	Type	Chain length	Formula weight	Number of molecules	DB Name (Accession)	Biological source	Descriptive keywords
1	A, C, E (A, C, E)	C-phycocyanin alpha chain	polymer	162	17456.6	3	UniProt (P50032) Pfam (PF00502)	Thermosynechococcus elongatus
2	B, D, F (B, D, F)	C-phycocyanin beta chain	polymer	172	18216.7	3	UniProt (P50033) Pfam (PF00502)	Thermosynechococcus elongatus
3	G, I, J, L, P... (A, B, C, D, E...)	3-[5-[[(3~{R},4~{R})-3-ethyl-4-methyl-5-oxidanylidene-3,4-dihydropyrrol-2-yl]methyl]-2-[[5-[(~{Z})-(4-ethyl-3-methyl-5-oxidanylidene-pyrrol-2-ylidene)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		590.7	9	Chemie (PXQ)
4	H, M, O, T, U (A, C, E)	TRIETHYLENE GLYCOL	non-polymer		150.2	5	Chemie (PGE)
5	K, N, R, V (B, C, D, E)	2-(N-MORPHOLINO)-ETHANESULFONIC ACID	non-polymer		195.2	4	Chemie (MES)
6	AA, BA, CA, DA, Y... (C, D, E, F, A...)	water	water		18.0	164	Chemie (HOH)

Contents of the asymmetric unit

Polymers	Number of chains	6
	Total formula weight	107019.8
Non-Polymers*	Number of molecules	18
	Total formula weight	6848.2
All*	Total formula weight	113868.1

*Water molecules are not included.