4TKO

Structure of the periplasmic adaptor protein EmrA

Entity

Entity ID	Chain ID	Description	Type	Chain length	Formula weight	Number of molecules	DB Name (Accession)	Biological source	Descriptive keywords
1	B	EmrA	polymer	358	41322.3	1	UniProt (O67159) Pfam (PF00529) Pfam (PF16576) In PDB	Aquifex aeolicus
2	B	MAGNESIUM ION	non-polymer		24.3	1	Chemie (MG)
3	B	ISOPROPYL ALCOHOL	non-polymer		60.1	2	Chemie (IPA)
4		water	water		18.0	6	Chemie (HOH)

Sequence modifications

B: 26 - 374 (UniProt: O67159)

PDB	External Database	Details
Met 25	-	initiating methionine
Leu 375	-	expression tag
Glu 376	-	expression tag
His 377	-	expression tag
His 378	-	expression tag
His 379	-	expression tag
His 380	-	expression tag
His 381	-	expression tag
His 382	-	expression tag

Contents of the asymmetric unit

Polymers	Number of chains	1
	Total formula weight	41322.3
Non-Polymers*	Number of molecules	3
	Total formula weight	144.5
All*	Total formula weight	41466.8

*Water molecules are not included.