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1QPK

MUTANT (D193G) MALTOTETRAOSE-FORMING EXO-AMYLASE IN COMPLEX WITH MALTOTETRAOSE

Entity
Entity IDChain IDDescriptionTypeChain lengthFormula weightNumber of moleculesDB Name (Accession)Biological sourceDescriptive keywords
1APROTEIN (MALTOTETRAOSE-FORMING AMYLASE)polymer41846523.81UniProt (P13507)
Pfam (PF00128)
Pfam (PF09081)
In PDB
Pseudomonas stutzeri
2Balpha-D-glucopyranose-(1-4)-alpha-D-glucopyranose-(1-4)-alpha-D-glucopyranose-(1-4)-alpha-D-glucopyranosebranched666.61In PDB
BIRD (PRD_900010)
GlyTouCan (G87171PZ)
alpha-maltotetraose
3ACALCIUM IONnon-polymer40.12Chemie (CA)
4waterwater18.0173Chemie (HOH)
Sequence modifications
A: 1 - 418 (UniProt: P13507)
PDBExternal DatabaseDetails
Gly 193Asp 214engineered mutation
Sequence viewer
Contents of the asymmetric unit
PolymersNumber of chains1
Total formula weight46523.8
BranchedNumber of molecules1
Total formula weight666.6
Non-Polymers*Number of molecules2
Total formula weight80.2
All*Total formula weight47270.5
*Water molecules are not included.

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