4R70

Crystal structure of bacteriophytochrome RpBphP3 from photosynthetic bacterium 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)	Bacteriophytochrome (Light-regulated signal transduction histidine kinase), PhyB2	polymer	529	58820.6	2	UniProt (Q6N5G2) Pfam (PF08446) Pfam (PF01590) Pfam (PF00360)	Rhodopseudomonas palustris CGA009
2	C, D (A, B)	BILIVERDINE IX ALPHA	non-polymer		582.6	2	Chemie (BLA)
3	E, F (A, B)	water	water		18.0	23	Chemie (HOH)

Sequence modifications

A, B: 1 - 521 (UniProt: Q6N5G2)

PDB	External Database	Details
Leu 522	-	expression tag
Glu 523	-	expression tag
His 524	-	expression tag
His 525	-	expression tag
His 526	-	expression tag
His 527	-	expression tag
His 528	-	expression tag
His 529	-	expression tag

Contents of the asymmetric unit

Polymers	Number of chains	2
	Total formula weight	117641.3
Non-Polymers*	Number of molecules	2
	Total formula weight	1165.3
All*	Total formula weight	118806.6

*Water molecules are not included.