5B13

Crystal structure of phycoerythrin

Entity

Entity ID	Chain ID	Description	Type	Chain length	Formula weight	Number of molecules	DB Name (Accession)	Biological source	Descriptive keywords
1	A, C, D, E, F... (A, B, C, D, E...)	Phycoerythrin alpha subunit	polymer	164	17657.8	6	UniProt (F2ZAL8) Pfam (PF00502)	Palmaria palmata (Dulse)
2	B, H, I, J, K... (G, H, I, J, K...)	Phycoerythrin beta subunit	polymer	177	18425.0	6	UniProt (F2ZAL7) Pfam (PF00502)	Palmaria palmata (Dulse)
3	AA, BA, CA, EA, FA... (F, H, I, J, K...)	PHYCOCYANOBILIN	non-polymer		588.7	24	Chemie (CYC)
4	DA, GA, JA, MA, PA... (H, I, J, K, L...)	PHYCOUROBILIN	non-polymer		590.7	6	Chemie (PUB)
5	AB, BB, QA, RA, SA... (K, L, A, G, B...)	water	water		18.0	1808	Chemie (HOH)

Contents of the asymmetric unit

Polymers	Number of chains	12
	Total formula weight	216496.6
Non-Polymers*	Number of molecules	30
	Total formula weight	17672.9
All*	Total formula weight	234169.5

*Water molecules are not included.