2HEU

Atomic resolution structure of apo-form of RafE from Streptococcus pneumoniae

Entity

Entity ID	Chain ID	Description	Type	Chain length	Formula weight	Number of molecules	DB Name (Accession)	Biological source	Descriptive keywords
1	A, B, C	Sugar ABC transporter, sugar-binding protein	polymer	401	45136.9	3	UniProt (Q97NW2) Pfam (PF01547) UniProt (by SIFTS) (A0A0H2URJ7) In PDB	Streptococcus pneumoniae
2	A, B	CHLORIDE ION	non-polymer		35.5	3	Chemie (CL)
3	A, C	SODIUM ION	non-polymer		23.0	2	Chemie (NA)
4	C	2-AMINO-2-HYDROXYMETHYL-PROPANE-1,3-DIOL	non-polymer		122.1	1	Chemie (TRS)
5		water	water		18.0	2541	Chemie (HOH)

Sequence modifications

A, B, C: 18 - 400 (UniProt: Q97NW2)

PDB	External Database	Details
Met 1	-	initiating methionine
His 2	-	expression tag
His 3	-	expression tag
His 4	-	expression tag
His 5	-	expression tag
His 6	-	expression tag
His 7	-	expression tag
Leu 8	-	expression tag
Glu 9	-	expression tag
Val 10	-	expression tag
Leu 11	-	expression tag
Phe 12	-	expression tag
Gln 13	-	expression tag
Gly 14	-	expression tag
Pro 15	-	expression tag
Ser 16	-	cloning artifact
Ser 17	-	cloning artifact
Met 401	-	cloning artifact

Contents of the asymmetric unit

Polymers	Number of chains	3
	Total formula weight	135410.6
Non-Polymers*	Number of molecules	6
	Total formula weight	274.5
All*	Total formula weight	135685.0

*Water molecules are not included.