4GW9

Structure of a bacteriophytochrome and light-stimulated protomer swapping with a gene repressor

Replaces:  4EHO

Entity

Entity ID	Chain ID	Description	Type	Chain length	Formula weight	Number of molecules	DB Name (Accession)	Biological source	Descriptive keywords
1	A, B, C, D (A, B, C, D)	bacteriophytochrome	polymer	655	72958.2	4	UniProt (B3Q7C0)	Rhodopseudomonas palustris
2	E, F, G, H (A, B, C, D)	BILIVERDINE IX ALPHA	non-polymer		582.6	4	Chemie (BLA)
3	I, J, K, L (A, B, C, D)	water	water		18.0	317	Chemie (HOH)

Sequence modifications

A, B, C, D: 2 - 635 (UniProt: B3Q7C0)

PDB	External Database	Details
Mse -19	-	expression tag
Gly -18	-	expression tag
Ser -17	-	expression tag
Ser -16	-	expression tag
His -15	-	expression tag
His -14	-	expression tag
His -13	-	expression tag
His -12	-	expression tag
His -11	-	expression tag
His -10	-	expression tag
Ser -9	-	expression tag
Ser -8	-	expression tag
Gly -7	-	expression tag
Leu -6	-	expression tag
Val -5	-	expression tag
Pro -4	-	expression tag
Arg -3	-	expression tag
Gly -2	-	expression tag
Ser -1	-	expression tag
His 0	-	expression tag
Val 2	-	SEE REMARK 999
Ile 291	Met 290	SEE REMARK 999
Asp 360	Ala 359	SEE REMARK 999

Contents of the asymmetric unit

Polymers	Number of chains	4
	Total formula weight	291832.7
Non-Polymers*	Number of molecules	4
	Total formula weight	2330.6
All*	Total formula weight	294163.3

*Water molecules are not included.