6YX8

The structure of allophycocyanin from cyanobacterium Nostoc sp. WR13, the C2221 crystal form.

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	A, C, E (AAA, CCC, EEE)	ALPHA SUBUNIT OF CYANOBACTERIAL ALLOPHYCOCYANIN PROTEIN	polymer	160	17007.3	3	UniProt (A0A4Y5PW22) Pfam (PF00502)	Nostoc sp. WR13
2	B, D, F (BBB, DDD, FFF)	BETA SUBUNIT OF CYANOBACTERIAL ALLOPHYCOCYANIN PROTEIN	polymer	161	17340.7	3	UniProt (A0A4Y5PW23) Pfam (PF00502)	Nostoc sp. WR13
3	G, JC, OA, RB, W... (AAA, FFF, CCC, EEE, BBB...)	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	6	Chemie (PXQ)
4	AB, BB, CB, H, KC... (DDD, AAA, FFF, CCC, BBB)	(4S)-2-METHYL-2,4-PENTANEDIOL	non-polymer		118.2	12	Chemie (MPD)
5	DB, I (DDD, AAA)	BICINE	non-polymer		163.2	2	Chemie (BCN)
6	AA, BA, J, MA, OC (BBB, AAA, FFF)	PENTAETHYLENE GLYCOL	non-polymer		238.3	5	Chemie (1PE)
7	CA, DA, IC, K, PC... (BBB, EEE, AAA, FFF, CCC)	TRIETHYLENE GLYCOL	non-polymer		150.2	11	Chemie (PGE)
8	EA, FA, GA, HB, IB... (BBB, DDD, AAA, CCC, FFF...)	DI(HYDROXYETHYL)ETHER	non-polymer		106.1	23	Chemie (PEG)
9	AC, AD, BC, CC, DC... (EEE, FFF, BBB, DDD, CCC...)	1,2-ETHANEDIOL	non-polymer		62.1	34	Chemie (EDO)
10	EB, FB, GB, QB, TB (DDD, EEE)	TETRAETHYLENE GLYCOL	non-polymer		194.2	5	Chemie (PG4)
11	SB (EEE)	(4R)-2-METHYLPENTANE-2,4-DIOL	non-polymer		118.2	1	Chemie (MRD)
12	BD, CD, DD, ED, FD... (AAA, BBB, CCC, DDD, EEE...)	water	water		18.0	928	Chemie (HOH)

Contents of the asymmetric unit

Polymers	Number of chains	6
	Total formula weight	103043.9
Non-Polymers*	Number of molecules	99
	Total formula weight	13772.4
All*	Total formula weight	116816.3

*Water molecules are not included.