5HQA

A Glycoside Hydrolase Family 97 enzyme in complex with Acarbose from Pseudoalteromonas sp. strain K8

Entity

Entity ID	Chain ID	Description	Type	Chain length	Formula weight	Number of molecules	DB Name (Accession)	Biological source	Descriptive keywords
1	A	Alpha-glucosidase	polymer	669	75575.3	1	UniProt (A0A0Y0DFX2) Pfam (PF14508) Pfam (PF10566) Pfam (PF14509) In PDB	Pseudoalteromonas sp. K8
2	B	4,6-dideoxy-4-{[(1S,4R,5S,6S)-4,5,6-trihydroxy-3-(hydroxymethyl)cyclohex-2-en-1-yl]amino}-alpha-D-glucopyranose-(1-4)-alpha-D-glucopyranose-(1-4)-alpha-D-glucopyranose	branched		645.6	1	In PDB BIRD (PRD_900007) GlyTouCan (G66431MI)		alpha-acarbose
3	A	CALCIUM ION	non-polymer		40.1	1	Chemie (CA)
4	A	CHLORIDE ION	non-polymer		35.5	2	Chemie (CL)
5	A	MAGNESIUM ION	non-polymer		24.3	1	Chemie (MG)
6	A	GLYCEROL	non-polymer		92.1	2	Chemie (GOL)
7	A	FORMIC ACID	non-polymer		46.0	4	Chemie (FMT)
8	A	UNKNOWN ATOM OR ION	non-polymer			1	Chemie (UNX)
9		water	water		18.0	1034	Chemie (HOH)

Sequence modifications

A: 20 - 680 (UniProt: A0A0Y0DFX2)

PDB	External Database	Details
Leu 681	-	expression tag
Glu 682	-	expression tag
His 683	-	expression tag
His 684	-	expression tag
His 685	-	expression tag
His 686	-	expression tag
His 687	-	expression tag
His 688	-	expression tag

Contents of the asymmetric unit

Polymers	Number of chains	1
	Total formula weight	75575.3
Branched	Number of molecules	1
	Total formula weight	645.6
Non-Polymers*	Number of molecules	11
	Total formula weight	503.6
All*	Total formula weight	76724.5

*Water molecules are not included.