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4S3R

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

Entity
Entity IDChain IDDescriptionTypeChain lengthFormula weightNumber of moleculesDB Name (Accession)Biological sourceDescriptive keywords
1A
(A)
4-alpha-glucanotransferasepolymer69680014.41UniProt (P15977)
Pfam (PF21226)
Pfam (PF02446)
Escherichia coli K-12Amylomaltase, Disproportionating enzyme, D-enzyme
2B
(A)
ACARBOSE DERIVED HEPTASACCHARIDEnon-polymer1111.11Chemie (7SA)
3C
(A)
1,2-ETHANEDIOLnon-polymer62.11Chemie (EDO)
4D
(A)
waterwater18.0226Chemie (HOH)
Sequence modifications
A: 1 - 688 (UniProt: P15977)
PDBExternal DatabaseDetails
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
Sequence viewer
Contents of the asymmetric unit
PolymersNumber of chains1
Total formula weight80014.4
Non-Polymers*Number of molecules2
Total formula weight1173.1
All*Total formula weight81187.5
*Water molecules are not included.

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PDB entries from 2025-07-30

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