2XD3

The crystal structure of MalX from Streptococcus pneumoniae in complex with maltopentaose.

Entity

Entity ID	Chain ID	Description	Type	Chain length	Formula weight	Number of molecules	DB Name (Accession)	Biological source	Descriptive keywords
1	A	MALTOSE/MALTODEXTRIN-BINDING PROTEIN	polymer	416	44928.0	1	UniProt (P59213) Pfam (PF13416) In PDB	STREPTOCOCCUS PNEUMONIAE	MALX
2	B	alpha-D-glucopyranose-(1-4)-alpha-D-glucopyranose-(1-4)-alpha-D-glucopyranose-(1-4)-alpha-D-glucopyranose-(1-4)-alpha-D-glucopyranose-(1-4)-alpha-D-glucopyranose-(1-4)-alpha-D-glucopyranose	branched		1153.0	1	In PDB GlyTouCan (G41288IQ)
3	A	SULFATE ION	non-polymer		96.1	2	Chemie (SO4)
4		water	water		18.0	309	Chemie (HOH)

Sequence modifications

A: 30 - 422 (UniProt: P59213)

PDB	External Database	Details
Met 7	-	expression tag
Gly 8	-	expression tag
Ser 9	-	expression tag
Ser 10	-	expression tag
His 11	-	expression tag
His 12	-	expression tag
His 13	-	expression tag
His 14	-	expression tag
His 15	-	expression tag
His 16	-	expression tag
Ser 17	-	expression tag
Ser 18	-	expression tag
Gly 19	-	expression tag
Leu 20	-	expression tag
Val 21	-	expression tag
Pro 22	-	expression tag
Arg 23	-	expression tag
Gly 24	-	expression tag
Ser 25	-	expression tag
His 26	-	expression tag
Met 27	-	expression tag
Ala 28	-	expression tag
Ser 29	-	expression tag
Asn 90	Ser 91	conflict
Leu 416	Ile 417	conflict

Contents of the asymmetric unit

Polymers	Number of chains	1
	Total formula weight	44928.0
Branched	Number of molecules	1
	Total formula weight	1153.0
Non-Polymers*	Number of molecules	2
	Total formula weight	192.1
All*	Total formula weight	46273.1

*Water molecules are not included.