7U55

Crystal structure of Thermoplasmatales archaeon heliorhodopsin at pH 4.5

Entity

Entity ID	Chain ID	Description	Type	Chain length	Formula weight	Number of molecules	DB Name (Accession)	Biological source	Descriptive keywords
1	A	Heliorhodopsin	polymer	259	29886.3	1	UniProt (A0A151EDA9) Pfam (PF18761) In PDB	Thermoplasmatales archaeon SG8-52-1
2	A	RETINAL	non-polymer		284.4	1	Chemie (RET)
3	A	CHLORIDE ION	non-polymer		35.5	2	Chemie (CL)
4	A	DODECANE	non-polymer		170.3	1	Chemie (D12)
5		water	water		18.0	37	Chemie (HOH)

Sequence modifications

A: 2 - 253 (UniProt: A0A151EDA9)

PDB	External Database	Details
Met -5	-	initiating methionine
His -4	-	expression tag
His -3	-	expression tag
His -2	-	expression tag
His -1	-	expression tag
His 0	-	expression tag
His 1	-	expression tag

Contents of the asymmetric unit

Polymers	Number of chains	1
	Total formula weight	29886.3
Non-Polymers*	Number of molecules	4
	Total formula weight	525.7
All*	Total formula weight	30412.0

*Water molecules are not included.