Structure of PDB 1e4o Chain B Binding Site BS03

Receptor Information
>1e4o Chain B (length=796) Species: 562 (Escherichia coli) [Search protein sequence] [Download receptor structure] [Download structure with residue number starting from 1] [View receptor structure]
SQPIFNDKQFQEALSRQWQRYGLNSAAEMTPRQWWLAVSEALAEMLRAQP
FAKPVANQRHVNYISMEFLIGRLTGNNLLNLGWYQDVQDSLKAYDINLTD
LLEEEIDPALGNGGLGRLAACFLDSMATVGQSATGYGLNYQYGLFRQSFV
DGKQVEAPDDWHRSNYPWFRHNEALDVQVGIGGKVTKDGRWEPEFTITGQ
AWDLPVVGYRNGVAQPLRLWQATHAHPFDLTKFNDGDFLRAEQQGINAEK
LTKVLYPNDNHTAGKKLRLMQQYFQCACSVADILRRHHLAGRKLHELADY
EVIQLNDTHPTIAIPELLRVLIDEHQMSWDDAWAITSKTFAYTNHTLMPE
ALERWDVKLVKGLLPRHMQIINEINTRFKTLVEKTWPGDEKVWAKLAVVH
DKQVHMANLCVVGGFAVNGVAALHSDLVVKDLFPEYHQLWPNKFHNVTNG
ITPRRWIKQCNPALAALLDKSLQKEWANDLDQLINLEKFADDAKFRDQYR
EIKQANKVRLAEFVKVRTGIEINPQAIFDIQIKRLHEYKRQHLNLLHILA
LYKEIRENPQADRVPRVFLFGAKAAPGYYLAKNIIFAINKVADVINNDPL
VGDKLKVVFLPDYCVSAAEKLIPAADISEQISTAGKEASGTGNMKLALNG
ALTVGTLDGANVEIAEKVGEENIFIFGHTVEQVKAILAKGYDPVKWRKKD
KVLDAVLKELESGKYSDGDKHAFDQMLHSIGKQGGDPYLVMADFAAYVEA
QKQVDVLYRDQEAWTRAAILNTARCGMFSSDRSIRDYQARIWQAKR
Ligand information
Ligand IDGLC
InChIInChI=1S/C6H12O6/c7-1-2-3(8)4(9)5(10)6(11)12-2/h2-11H,1H2/t2-,3-,4+,5-,6+/m1/s1
InChIKeyWQZGKKKJIJFFOK-DVKNGEFBSA-N
SMILES
SoftwareSMILES
OpenEye OEToolkits 1.5.0C(C1C(C(C(C(O1)O)O)O)O)O
OpenEye OEToolkits 1.5.0C([C@@H]1[C@H]([C@@H]([C@H]([C@H](O1)O)O)O)O)O
CACTVS 3.341OC[CH]1O[CH](O)[CH](O)[CH](O)[CH]1O
CACTVS 3.341OC[C@H]1O[C@H](O)[C@H](O)[C@@H](O)[C@@H]1O
ACDLabs 10.04OC1C(O)C(OC(O)C1O)CO
FormulaC6 H12 O6
Namealpha-D-glucopyranose;
alpha-D-glucose;
D-glucose;
glucose
ChEMBLCHEMBL423707
DrugBank
ZINCZINC000003861213
PDB chain1e4o Chain D Residue 3 [Download ligand structure] [Download structure with residue number starting from 1] [View ligand structure]
Receptor-Ligand Complex Structure
Global viewLocal viewStructure summary

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PDB1e4o Phosphorylase Recognition and Phosphorylysis of its Oligosaccharide Substrate: Answers to a Long Outstanding Question
Resolution2.9 Å
Binding residue
(original residue number in PDB)		N112 Y256 R268 H309 E350 R534
Binding residue
(residue number reindexed from 1)		N112 Y256 R268 H309 E350 R534
Annotation score2
Enzymatic activity
Catalytic site (original residue number in PDB) H345 K533 R534 K539 T641 K645
Catalytic site (residue number reindexed from 1) H345 K533 R534 K539 T641 K645
Enzyme Commision number 2.4.1.1: glycogen phosphorylase.
Gene Ontology
Molecular Function
GO:0004645 1,4-alpha-oligoglucan phosphorylase activity
GO:0008184 glycogen phosphorylase activity
GO:0016757 glycosyltransferase activity
GO:0030170 pyridoxal phosphate binding
GO:0031220 maltodextrin phosphorylase activity
GO:0042803 protein homodimerization activity
Biological Process
GO:0005975 carbohydrate metabolic process
GO:0005980 glycogen catabolic process
GO:0030980 alpha-glucan catabolic process
Cellular Component
GO:0005737 cytoplasm
GO:0005829 cytosol

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Molecular Function
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Biological Process
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Cellular Component
External links
PDB RCSB:1e4o, PDBe:1e4o, PDBj:1e4o
PDBsum1e4o
PubMed10469642
UniProtP00490|PHSM_ECOLI Maltodextrin phosphorylase (Gene Name=malP)

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