4NC4

Crystal structure of photoreceptor AtUVR8 mutant W285F and light-induced structural changes at 120K

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)	Ultraviolet-B receptor UVR8	polymer	377	40836.4	4	UniProt (Q9FN03) Pfam (PF00415)	Arabidopsis thaliana (mouse-ear cress thale-cress)	Protein UV-B RESISTANCE 8, RCC1 domain-containing protein UVR8
2	E, F, G, H, I... (A, B, C, D)	MAGNESIUM ION	non-polymer		24.3	18	Chemie (MG)
3	W, X, Y, Z (A, B, C, D)	water	water		18.0	1643	Chemie (HOH)

Sequence modifications

A, B, C, D: 13 - 381 (UniProt: Q9FN03)

PDB	External Database	Details
Phe 285	Trp 285	engineered mutation
Leu 382	-	expression tag
Glu 383	-	expression tag
His 384	-	expression tag
His 385	-	expression tag
His 386	-	expression tag
His 387	-	expression tag
His 388	-	expression tag
His 389	-	expression tag

Contents of the asymmetric unit

Polymers	Number of chains	4
	Total formula weight	163345.6
Non-Polymers*	Number of molecules	18
	Total formula weight	437.5
All*	Total formula weight	163783.1

*Water molecules are not included.