3TCH

Crystal structure of E. coli OppA in an open conformation

Entity

Entity ID	Chain ID	Description	Type	Chain length	Formula weight	Number of molecules	DB Name (Accession)	Biological source	Descriptive keywords
1	A (A)	Periplasmic oligopeptide-binding protein	polymer	524	59387.6	1	UniProt (P23843) Pfam (PF00496)	Escherichia coli
2	B (A)	water	water		18.0	480	Chemie (HOH)

Sequence modifications

A: 27 - 543 (UniProt: P23843)

PDB	External Database	Details
Met 26	-	expression tag
His 544	-	expression tag
His 545	-	expression tag
His 546	-	expression tag
His 547	-	expression tag
His 548	-	expression tag
His 549	-	expression tag

Contents of the asymmetric unit

Polymers	Number of chains	1
	Total formula weight	59387.6
All*	Total formula weight	59387.6

*Water molecules are not included.