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3JYR

Crystal structures of the GacH receptor of Streptomyces glaucescens GLA.O in the unliganded form and in complex with acarbose and an acarbose homolog. Comparison with acarbose-loaded maltose binding protein of Salmonella typhimurium.

Entity
Entity IDChain IDDescriptionTypeChain lengthFormula weightNumber of moleculesDB Name (Accession)Biological sourceDescriptive keywords
1A
(A)
Maltose-binding periplasmic proteinpolymer39643228.41UniProt (P19576)
Pfam (PF01547)
Salmonella enterica subsp. enterica serovar TyphimuriumMMBP, Maltodextrin-binding protein
2B
(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-glucopyranosebranched645.61In PDB
BIRD (PRD_900007)
GlyTouCan (G66431MI)
alpha-acarbose
3C
(A)
waterwater18.0426Chemie (HOH)
Sequence viewer
Contents of the asymmetric unit
PolymersNumber of chains1
Total formula weight43228.4
BranchedNumber of molecules1
Total formula weight645.6
All*Total formula weight43874.0
*Water molecules are not included.

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PDB entries from 2025-07-30

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