6IYG

The Structure of Maltooligosaccharide-forming Amylase from Pseudomonas saccharophila STB07 with Maltotetraose

Entity

Entity ID	Chain ID	Description	Type	Chain length	Formula weight	Number of molecules	DB Name (Accession)	Biological source	Descriptive keywords
1	A	Glucan 1,4-alpha-maltotetraohydrolase	polymer	536	58622.7	1	UniProt (P22963) Pfam (PF00128) Pfam (PF09081) Pfam (PF00686) In PDB	Pelomonas saccharophila	G4-amylase,Exo-maltotetraohydrolase,Maltotetraose-forming amylase,Maltotetraose-forming exo-amylase
2	B	alpha-D-glucopyranose-(1-4)-alpha-D-glucopyranose-(1-4)-alpha-D-glucopyranose-(1-4)-alpha-D-glucopyranose	branched		666.6	1	In PDB BIRD (PRD_900010) GlyTouCan (G87171PZ)		alpha-maltotetraose
3	A	1,2-ETHANEDIOL	non-polymer		62.1	1	Chemie (EDO)
4	A	CALCIUM ION	non-polymer		40.1	2	Chemie (CA)
5		water	water		18.0	367	Chemie (HOH)

Sequence modifications

A: 1 - 530 (UniProt: P22963)

PDB	External Database	Details
His 531	-	expression tag
His 532	-	expression tag
His 533	-	expression tag
His 534	-	expression tag
His 535	-	expression tag
His 536	-	expression tag

Contents of the asymmetric unit

Polymers	Number of chains	1
	Total formula weight	58622.7
Branched	Number of molecules	1
	Total formula weight	666.6
Non-Polymers*	Number of molecules	3
	Total formula weight	142.2
All*	Total formula weight	59431.5

*Water molecules are not included.