7E2R

The ligand-free structure of Arabidopsis thaliana GUN4

Entity

Entity ID	Chain ID	Description	Type	Chain length	Formula weight	Number of molecules	DB Name (Accession)	Biological source	Descriptive keywords
1	A, B	Tetrapyrrole-binding protein, chloroplastic	polymer	205	23625.6	2	UniProt (Q9LX31) Pfam (PF05419) In PDB	Arabidopsis thaliana (Mouse-ear cress)	Genomes uncoupled 4
2		water	water		18.0	178	Chemie (HOH)

Sequence modifications

A, B: 70 - 265 (UniProt: Q9LX31)

PDB	External Database	Details
Met 69	-	initiating methionine
Leu 266	-	expression tag
Glu 267	-	expression tag
His 268	-	expression tag
His 269	-	expression tag
His 270	-	expression tag
His 271	-	expression tag
His 272	-	expression tag
His 273	-	expression tag

Contents of the asymmetric unit

Polymers	Number of chains	2
	Total formula weight	47251.1
All*	Total formula weight	47251.1

*Water molecules are not included.