7AP5

Crystal structure of phycoerythrin from cyanobacterium Nostoc sp. WR13 contains multiple stacks of hexameric assemblies which resemble the rods of phycobilisome.

This is a non-PDB format compatible entry.

Entity

Entity ID	Chain ID	Description	Type	Chain length	Formula weight	Number of molecules	DB Name (Accession)	Biological source	Descriptive keywords
1	AAA, CCC, EEE, GGG, III...	Alpha subunit of cyanobacterial protein phycoerythrin	polymer	164	17572.8	8		Nostoc sp. WR13
2	BBB, DDD, FFF, HHH, JJJ...	Beta subunit of cyanobacterial protein phycoerythrin	polymer	184	19271.0	8		Nostoc sp. WR13
3	DDD, EEE, JJJ, CCC, HHH...	PHYCOERYTHROBILIN	non-polymer		588.7	40	Chemie (PEB)
4	NNN, JJJ, CCC, DDD, HHH...	TETRAETHYLENE GLYCOL	non-polymer		194.2	34	Chemie (PG4)
5	AAA, BBB, GGG, EEE, HHH...	TRIETHYLENE GLYCOL	non-polymer		150.2	57	Chemie (PGE)
6	FFF, KKK, LLL, OOO, AAA...	DI(HYDROXYETHYL)ETHER	non-polymer		106.1	79	Chemie (PEG)
7	BBB, GGG, HHH, LLL, AAA...	PHOSPHATE ION	non-polymer		95.0	49	Chemie (PO4)
8	BBB, GGG, HHH, LLL, OOO...	NITRATE ION	non-polymer		62.0	23	Chemie (NO3)
9	BBB, LLL	dodecaethylene glycol monomethyl ether	non-polymer		560.7	2	Chemie (RWB)
10	BBB	3,6,9,12,15,18,21-HEPTAOXATRICOSANE-1,23-DIOL	non-polymer		370.4	1	Chemie (PE8)
11	EEE, JJJ, HHH, DDD, PPP...	PENTAETHYLENE GLYCOL	non-polymer		238.3	12	Chemie (1PE)
12	JJJ, DDD, HHH, FFF	3,6,9,12,15,18-HEXAOXAICOSANE-1,20-DIOL	non-polymer		326.4	6	Chemie (P33)
13	DDD	HEXAETHYLENE GLYCOL	non-polymer		282.3	1	Chemie (P6G)
14	LLL, FFF, EEE, NNN, DDD...	1,2-ETHANEDIOL	non-polymer		62.1	15	Chemie (EDO)
15	NNN	3,6,9,12,15,18,21,24-OCTAOXAHEXACOSAN-1-OL	non-polymer		398.5	1	Chemie (PE5)
16		water	water		18.0	1365	Chemie (HOH)

Contents of the asymmetric unit

Polymers	Number of chains	16
	Total formula weight	294750.4
Non-Polymers*	Number of molecules	320
	Total formula weight	61095.7
All*	Total formula weight	355846.2

*Water molecules are not included.