8I2Z

Cryo-EM structure of the zeaxanthin-bound kin4B8

Entity

Entity ID	Chain ID	Description	Type	Chain length	Formula weight	Number of molecules	DB Name (Accession)	Biological source	Descriptive keywords
1	A	Xanthorhodopsin	polymer	262	28745.8	1	UniProt (A0A977XLG0) Pfam (PF01036) In PDB	uncultured Bdellovibrionales bacterium	Kin4B8
2	A	RETINAL	non-polymer		284.4	1	Chemie (RET)
3	A	Zeaxanthin	non-polymer		568.9	1	Chemie (K3I)
4		water	water		18.0	33	Chemie (HOH)

Sequence modifications

A: 1 - 256 (UniProt: A0A977XLG0)

PDB	External Database	Details
His 257	-	expression tag
His 258	-	expression tag
His 259	-	expression tag
His 260	-	expression tag
His 261	-	expression tag
His 262	-	expression tag

Contents of the asymmetric unit

Polymers	Number of chains	1
	Total formula weight	28745.8
Non-Polymers*	Number of molecules	2
	Total formula weight	853.3
All*	Total formula weight	29599.1

*Water molecules are not included.