6PTX

Dark, 100K, PCM Myxobacterial Phytochrome, P2, Wild Type,

Entity

Entity ID	Chain ID	Description	Type	Chain length	Formula weight	Number of molecules	DB Name (Accession)	Biological source	Descriptive keywords
1	A, B (A, B)	Photoreceptor-histidine kinase BphP	polymer	481	51882.4	2	UniProt (Q09E27) Pfam (PF08446) Pfam (PF01590) Pfam (PF00360)	Stigmatella aurantiaca
2	C, D (A, B)	3-[(2Z)-2-({3-(2-carboxyethyl)-5-[(E)-(4-ethenyl-3-methyl-5-oxo-1,5-dihydro-2H-pyrrol-2-ylidene)methyl]-4-methyl-1H-pyrrol-2-yl}methylidene)-5-{(Z)-[(3E,4S)-3-ethylidene-4-methyl-5-oxopyrrolidin-2-ylidene]methyl}-4-methyl-2H-pyrrol-3-yl]propanoic acid	non-polymer		584.7	2	Chemie (EL5)
3	E, F (A, B)	water	water		18.0	1212	Chemie (HOH)

Contents of the asymmetric unit

Polymers	Number of chains	2
	Total formula weight	103764.8
Non-Polymers*	Number of molecules	2
	Total formula weight	1169.3
All*	Total formula weight	104934.1

*Water molecules are not included.