Structure of PDB 1nah Chain A Binding Site BS02

Receptor Information
>1nah Chain A (length=338) Species: 562 (Escherichia coli) [Search protein sequence] [Download receptor structure] [Download structure with residue number starting from 1] [View receptor structure]
MRVLVTGGSGYIGSHTCVQLLQNGHDVIILDNLCNSKRSVLPVIERLGGK
HPTFVEGDIRNEALMTEILHDHAIDTVIHFAGLKAVGESVQKPLEYYDNN
VNGTLRLISAMRAANVKNFIFSSSATVYGDNPKIPYVESFPTGTPQSPYG
KSKLMVEQILTDLQKAQPDWSIALLRYFNPVGAHPSGDMGEDPQGIPNNL
MPYIAQVAVGRRDSLAIFGNDYPTEDGTGVRDYIHVMDLADGHVVAMEKL
ANKPGVHIYNLGAGVGNSVLDVVNAFSKACGKPVNYHFAPRREGDLPAYW
ADASKADRELNWRVTRTLDEMAQDTWHWQSRHPQGYPD
Ligand information
Ligand IDUDP
InChIInChI=1S/C9H14N2O12P2/c12-5-1-2-11(9(15)10-5)8-7(14)6(13)4(22-8)3-21-25(19,20)23-24(16,17)18/h1-2,4,6-8,13-14H,3H2,(H,19,20)(H,10,12,15)(H2,16,17,18)/t4-,6-,7-,8-/m1/s1
InChIKeyXCCTYIAWTASOJW-XVFCMESISA-N
SMILES
SoftwareSMILES
OpenEye OEToolkits 1.7.0C1=CN(C(=O)NC1=O)[C@H]2[C@@H]([C@@H]([C@H](O2)CO[P@@](=O)(O)OP(=O)(O)O)O)O
CACTVS 3.370O[CH]1[CH](O)[CH](O[CH]1CO[P](O)(=O)O[P](O)(O)=O)N2C=CC(=O)NC2=O
CACTVS 3.370O[C@H]1[C@@H](O)[C@@H](O[C@@H]1CO[P](O)(=O)O[P](O)(O)=O)N2C=CC(=O)NC2=O
OpenEye OEToolkits 1.7.0C1=CN(C(=O)NC1=O)C2C(C(C(O2)COP(=O)(O)OP(=O)(O)O)O)O
ACDLabs 12.01O=P(O)(O)OP(=O)(O)OCC2OC(N1C(=O)NC(=O)C=C1)C(O)C2O
FormulaC9 H14 N2 O12 P2
NameURIDINE-5'-DIPHOSPHATE
ChEMBLCHEMBL130266
DrugBankDB03435
ZINCZINC000004490939
PDB chain1nah Chain A Residue 342 [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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PDB1nah Crystal structures of the oxidized and reduced forms of UDP-galactose 4-epimerase isolated from Escherichia coli.
Resolution1.8 Å
Binding residue
(original residue number in PDB)		N179 N199 L200 A216 I217 F218 R231 Y233 R292
Binding residue
(residue number reindexed from 1)		N179 N199 L200 A216 I217 F218 R231 Y233 R292
Annotation score2
Enzymatic activity
Catalytic site (original residue number in PDB) S124 A125 T126 Y149 K153 M189
Catalytic site (residue number reindexed from 1) S124 A125 T126 Y149 K153 M189
Enzyme Commision number 5.1.3.2: UDP-glucose 4-epimerase.
Gene Ontology
Molecular Function
GO:0003978 UDP-glucose 4-epimerase activity
GO:0005515 protein binding
GO:0016853 isomerase activity
GO:0016857 racemase and epimerase activity, acting on carbohydrates and derivatives
GO:0042802 identical protein binding
GO:0070403 NAD+ binding
Biological Process
GO:0005975 carbohydrate metabolic process
GO:0006012 galactose metabolic process
GO:0009242 colanic acid biosynthetic process
GO:0033499 galactose catabolic process via UDP-galactose
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:1nah, PDBe:1nah, PDBj:1nah
PDBsum1nah
PubMed8611559
UniProtP09147|GALE_ECOLI UDP-glucose 4-epimerase (Gene Name=galE)

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