4WAV

Crystal Structure of Haloquadratum walsbyi bacteriorhodopsin mutant D93N

Entity

Entity ID	Chain ID	Description	Type	Chain length	Formula weight	Number of molecules	DB Name (Accession)	Biological source	Descriptive keywords
1	A, B (A, B)	Bacteriorhodopsin-I	polymer	262	28505.1	2	UniProt (G0LFX8) Pfam (PF01036)	Haloquadratum walsbyi C23
2	C, F (A, B)	RETINAL	non-polymer		284.4	2	Chemie (RET)
3	D, E (A)	[(Z)-octadec-9-enyl] (2R)-2,3-bis(oxidanyl)propanoate	non-polymer		356.5	2	Chemie (MPG)
4	G, H (A, B)	water	water		18.0	160	Chemie (HOH)

Sequence modifications

A, B: 1 - 254 (UniProt: G0LFX8)

PDB	External Database	Details
Asn 93	Asp 93	engineered mutation
Leu 255	-	expression tag
Glu 256	-	expression tag
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	2
	Total formula weight	57010.2
Non-Polymers*	Number of molecules	4
	Total formula weight	1282.0
All*	Total formula weight	58292.2

*Water molecules are not included.