6QTW

Crystal structure of an Arabidopsis WD40 domain in complex with a blue light photoreceptor

Entity

Entity ID	Chain ID	Description	Type	Chain length	Formula weight	Number of molecules	DB Name (Accession)	Biological source	Descriptive keywords
1	A	E3 ubiquitin-protein ligase COP1	polymer	330	37220.6	1	UniProt (P43254) Pfam (PF00400) In PDB	Arabidopsis thaliana (Mouse-ear cress)	Constitutive photomorphogenesis protein 1,RING-type E3 ubiquitin transferase COP1
2	B	Cryptochrome-1	polymer	11	1208.3	1	UniProt (Q43125) In PDB	Arabidopsis thaliana	Atcry1,Blue light photoreceptor,Protein BLUE LIGHT UNINHIBITED 1,Protein ELONGATED HYPOCOTYL 4,Protein OUT OF PHASE 2,OOP2
3	A	MALONATE ION	non-polymer		102.0	2	Chemie (MLI)
4	A	GLYCEROL	non-polymer		92.1	2	Chemie (GOL)
5		water	water		18.0	280	Chemie (HOH)

Sequence modifications

A: 349 - 675 (UniProt: P43254)

PDB	External Database	Details
Gly 346	-	expression tag
Ala 347	-	expression tag
Met 348	-	expression tag

B: 545 - 554 (UniProt: Q43125)

PDB	External Database	Details
Ace 544	-	acetylation
Tyr 554	Ser 553	conflict

Contents of the asymmetric unit

Polymers	Number of chains	2
	Total formula weight	38429.0
Non-Polymers*	Number of molecules	4
	Total formula weight	388.3
All*	Total formula weight	38817.3

*Water molecules are not included.