1Q12

Crystal Structure of the ATP-bound E. coli MalK

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, D	Maltose/maltodextrin transport ATP-binding protein malK	polymer	381	42184.5	4	UniProt (P68187) Pfam (PF00005) Pfam (PF08402) In PDB	Escherichia coli
2	A, B, C, D	ADENOSINE-5'-TRIPHOSPHATE	non-polymer		507.2	4	Chemie (ATP)
3		water	water		18.0	10	Chemie (HOH)

Sequence modifications

A, B, C, D: 1 - 371 (UniProt: P68187)

PDB	External Database	Details
Ala 372	-	expression tag
Ser 373	-	expression tag
Ala 374	-	expression tag
Ser 375	-	expression tag
His 376	-	expression tag
His 377	-	expression tag
His 378	-	expression tag
His 379	-	expression tag
His 380	-	expression tag
His 381	-	expression tag

Contents of the asymmetric unit

Polymers	Number of chains	4
	Total formula weight	168738.1
Non-Polymers*	Number of molecules	4
	Total formula weight	2028.7
All*	Total formula weight	170766.9

*Water molecules are not included.