6JF1

Crystal structure of the substrate binding protein of a methionine transporter 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	Lipoprotein	polymer	276	30477.8	1	UniProt (A0A0H2UN92) Pfam (PF03180) In PDB	Streptococcus pneumoniae serotype 4 (strain ATCC BAA-334 / TIGR4)
2	A	METHIONINE	non-polymer		149.2	1	Chemie (MET)
3	A	ZINC ION	non-polymer		65.4	11	Chemie (ZN)
4	A	CHLORIDE ION	non-polymer		35.5	1	Chemie (CL)
5	A	ACETATE ION	non-polymer		59.0	8	Chemie (ACT)
6	A	GLYCEROL	non-polymer		92.1	2	Chemie (GOL)
7		water	water		18.0	186	Chemie (HOH)

Sequence modifications

A: 30 - 284 (UniProt: A0A0H2UN92)

PDB	External Database	Details
Met -21	-	expression tag
Arg -20	-	expression tag
Gly -19	-	expression tag
Ser -18	-	expression tag
His -17	-	expression tag
His -16	-	expression tag
His -15	-	expression tag
His -14	-	expression tag
His -13	-	expression tag
His -12	-	expression tag
Gly -11	-	expression tag
Ser -10	-	expression tag
Gly -9	-	expression tag
Ser -8	-	expression tag
Gly -7	-	expression tag
Ser -6	-	expression tag
Gly -5	-	expression tag
Ile -4	-	expression tag
Glu -3	-	expression tag
Gly -2	-	expression tag
Arg -1	-	expression tag

Contents of the asymmetric unit

Polymers	Number of chains	1
	Total formula weight	30477.8
Non-Polymers*	Number of molecules	23
	Total formula weight	1560.7
All*	Total formula weight	32038.5

*Water molecules are not included.