4KOO

Crystal Structure of WHY1 from Arabidopsis thaliana

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)	Single-stranded DNA-binding protein WHY1, chloroplastic	polymer	180	20007.9	4	UniProt (Q9M9S3) Pfam (PF08536)	Arabidopsis thaliana (mouse-ear cress thale-cress)	Protein PLASTID TRANSCRIPTIONALLY ACTIVE 1, Protein WHIRLY 1, AtWHY1
2	E, F, H, J, K... (A, B, C, D)	2-(N-MORPHOLINO)-ETHANESULFONIC ACID	non-polymer		195.2	6	Chemie (MES)
3	G (A)	NICKEL (II) ION	non-polymer		58.7	1	Chemie (NI)
4	I (B)	PHOSPHATE ION	non-polymer		95.0	1	Chemie (PO4)
5	M, N, O, P (A, B, C, D)	water	water		18.0	661	Chemie (HOH)

Sequence modifications

A, B, C, D: 74 - 241 (UniProt: Q9M9S3)

PDB	External Database	Details
Met 73	-	expression tag
Ala 242	-	expression tag
Ala 243	-	expression tag
Ala 244	-	expression tag
Leu 245	-	expression tag
Glu 246	-	expression tag
His 247	-	expression tag
His 248	-	expression tag
His 249	-	expression tag
His 250	-	expression tag
His 251	-	expression tag
His 252	-	expression tag

Contents of the asymmetric unit

Polymers	Number of chains	4
	Total formula weight	80031.6
Non-Polymers*	Number of molecules	8
	Total formula weight	1325.1
All*	Total formula weight	81356.7

*Water molecules are not included.