2OOL

Crystal structure of the chromophore-binding domain of an unusual bacteriophytochrome RpBphP3 from R. palustris

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)	Sensor protein	polymer	337	37331.4	2	UniProt (Q6N5G2) Pfam (PF08446) Pfam (PF01590)	Rhodopseudomonas palustris
2	C, D (A, B)	3-[2-[(Z)-[3-(2-carboxyethyl)-5-[(Z)-(4-ethenyl-3-methyl-5-oxidanylidene-pyrrol-2-ylidene)methyl]-4-methyl-pyrrol-1-ium -2-ylidene]methyl]-5-[(Z)-[(3E)-3-ethylidene-4-methyl-5-oxidanylidene-pyrrolidin-2-ylidene]methyl]-4-methyl-1H-pyrrol-3- yl]propanoic acid	non-polymer		585.7	2	Chemie (LBV)
3	E, F (A, B)	water	water		18.0	215	Chemie (HOH)

Contents of the asymmetric unit

Polymers	Number of chains	2
	Total formula weight	74662.9
Non-Polymers*	Number of molecules	2
	Total formula weight	1171.3
All*	Total formula weight	75834.2

*Water molecules are not included.