4S3R

Amylomaltase MalQ from Escherichia coli in complex with the pseudo-heptasaccharide acarviosine-glucose-acarbose

Entity

Entity ID	Chain ID	Description	Type	Chain length	Formula weight	Number of molecules	DB Name (Accession)	Biological source	Descriptive keywords
1	A	4-alpha-glucanotransferase	polymer	696	80014.4	1	UniProt (P15977) Pfam (PF21226) Pfam (PF02446) In PDB	Escherichia coli K-12	Amylomaltase, Disproportionating enzyme, D-enzyme
2	A	ACARBOSE DERIVED HEPTASACCHARIDE	non-polymer		1111.1	1	Chemie (7SA)
3	A	1,2-ETHANEDIOL	non-polymer		62.1	1	Chemie (EDO)
4		water	water		18.0	226	Chemie (HOH)

Sequence modifications

A: 1 - 688 (UniProt: P15977)

PDB	External Database	Details
Ser 689	-	EXPRESSION TAG
Ala 690	-	EXPRESSION TAG
His 691	-	EXPRESSION TAG
His 692	-	EXPRESSION TAG
His 693	-	EXPRESSION TAG
His 694	-	EXPRESSION TAG
His 695	-	EXPRESSION TAG
His 696	-	EXPRESSION TAG

Contents of the asymmetric unit

Polymers	Number of chains	1
	Total formula weight	80014.4
Non-Polymers*	Number of molecules	2
	Total formula weight	1173.1
All*	Total formula weight	81187.5

*Water molecules are not included.